contrib/wpa/hs20/client/osu_client.c

   1 /*
   2  * Hotspot 2.0 OSU client
   3  * Copyright (c) 2012-2014, 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 <time.h>
  11 #include <sys/stat.h>
  12 #ifdef ANDROID
  13 #include "private/android_filesystem_config.h"
  14 #endif /* ANDROID */
  15
  16 #include "common.h"
  17 #include "utils/browser.h"
  18 #include "utils/base64.h"
  19 #include "utils/xml-utils.h"
  20 #include "utils/http-utils.h"
  21 #include "common/wpa_ctrl.h"
  22 #include "common/wpa_helpers.h"
  23 #include "eap_common/eap_defs.h"
  24 #include "crypto/crypto.h"
  25 #include "crypto/sha256.h"
  26 #include "osu_client.h"
  27
  28 const char *spp_xsd_fname = "spp.xsd";
  29
  30
  31 void write_result(struct hs20_osu_client *ctx, const char *fmt, ...)
  32 {
  33         va_list ap;
  34         FILE *f;
  35         char buf[500];
  36
  37         va_start(ap, fmt);
  38         vsnprintf(buf, sizeof(buf), fmt, ap);
  39         va_end(ap);
  40         write_summary(ctx, "%s", buf);
  41
  42         if (!ctx->result_file)
  43                 return;
  44
  45         f = fopen(ctx->result_file, "w");
  46         if (f == NULL)
  47                 return;
  48
  49         va_start(ap, fmt);
  50         vfprintf(f, fmt, ap);
  51         va_end(ap);
  52         fprintf(f, "\n");
  53         fclose(f);
  54 }
  55
  56
  57 void write_summary(struct hs20_osu_client *ctx, const char *fmt, ...)
  58 {
  59         va_list ap;
  60         FILE *f;
  61
  62         if (!ctx->summary_file)
  63                 return;
  64
  65         f = fopen(ctx->summary_file, "a");
  66         if (f == NULL)
  67                 return;
  68
  69         va_start(ap, fmt);
  70         vfprintf(f, fmt, ap);
  71         va_end(ap);
  72         fprintf(f, "\n");
  73         fclose(f);
  74 }
  75
  76
  77 void debug_dump_node(struct hs20_osu_client *ctx, const char *title,
  78                      xml_node_t *node)
  79 {
  80         char *str = xml_node_to_str(ctx->xml, node);
  81         wpa_printf(MSG_DEBUG, "[hs20] %s: '%s'", title, str);
  82         free(str);
  83 }
  84
  85
  86 static int valid_fqdn(const char *fqdn)
  87 {
  88         const char *pos;
  89
  90         /* TODO: could make this more complete.. */
  91         if (strchr(fqdn, '.') == 0 || strlen(fqdn) > 255)
  92                 return 0;
  93         for (pos = fqdn; *pos; pos++) {
  94                 if (*pos >= 'a' && *pos <= 'z')
  95                         continue;
  96                 if (*pos >= 'A' && *pos <= 'Z')
  97                         continue;
  98                 if (*pos >= '0' && *pos <= '9')
  99                         continue;
 100                 if (*pos == '-' || *pos == '.' || *pos == '_')
 101                         continue;
 102                 return 0;
 103         }
 104         return 1;
 105 }
 106
 107
 108 static int android_update_permission(const char *path, mode_t mode)
 109 {
 110 #ifdef ANDROID
 111         /* we need to change file/folder permission for Android */
 112
 113         if (!path) {
 114                 wpa_printf(MSG_ERROR, "file path null");
 115                 return -1;
 116         }
 117
 118         /* Allow processes running with Group ID as AID_WIFI,
 119          * to read files from SP, SP/<fqdn>, Cert and osu-info directories */
 120         if (lchown(path, -1, AID_WIFI)) {
 121                 wpa_printf(MSG_INFO, "CTRL: Could not lchown directory: %s",
 122                            strerror(errno));
 123                 return -1;
 124         }
 125
 126         if (chmod(path, mode) < 0) {
 127                 wpa_printf(MSG_INFO, "CTRL: Could not chmod directory: %s",
 128                            strerror(errno));
 129                 return -1;
 130         }
 131 #endif  /* ANDROID */
 132
 133         return 0;
 134 }
 135
 136
 137 int osu_get_certificate(struct hs20_osu_client *ctx, xml_node_t *getcert)
 138 {
 139         xml_node_t *node;
 140         char *url, *user = NULL, *pw = NULL;
 141         char *proto;
 142         int ret = -1;
 143
 144         proto = xml_node_get_attr_value(ctx->xml, getcert,
 145                                         "enrollmentProtocol");
 146         if (!proto)
 147                 return -1;
 148         wpa_printf(MSG_INFO, "getCertificate - enrollmentProtocol=%s", proto);
 149         write_summary(ctx, "getCertificate - enrollmentProtocol=%s", proto);
 150         if (os_strcasecmp(proto, "EST") != 0) {
 151                 wpa_printf(MSG_INFO, "Unsupported enrollmentProtocol");
 152                 xml_node_get_attr_value_free(ctx->xml, proto);
 153                 return -1;
 154         }
 155         xml_node_get_attr_value_free(ctx->xml, proto);
 156
 157         node = get_node(ctx->xml, getcert, "enrollmentServerURI");
 158         if (node == NULL) {
 159                 wpa_printf(MSG_INFO, "Could not find enrollmentServerURI node");
 160                 xml_node_get_attr_value_free(ctx->xml, proto);
 161                 return -1;
 162         }
 163         url = xml_node_get_text(ctx->xml, node);
 164         if (url == NULL) {
 165                 wpa_printf(MSG_INFO, "Could not get URL text");
 166                 return -1;
 167         }
 168         wpa_printf(MSG_INFO, "enrollmentServerURI: %s", url);
 169         write_summary(ctx, "enrollmentServerURI: %s", url);
 170
 171         node = get_node(ctx->xml, getcert, "estUserID");
 172         if (node == NULL && !ctx->client_cert_present) {
 173                 wpa_printf(MSG_INFO, "Could not find estUserID node");
 174                 goto fail;
 175         }
 176         if (node) {
 177                 user = xml_node_get_text(ctx->xml, node);
 178                 if (user == NULL) {
 179                         wpa_printf(MSG_INFO, "Could not get estUserID text");
 180                         goto fail;
 181                 }
 182                 wpa_printf(MSG_INFO, "estUserID: %s", user);
 183                 write_summary(ctx, "estUserID: %s", user);
 184         }
 185
 186         node = get_node(ctx->xml, getcert, "estPassword");
 187         if (node == NULL && !ctx->client_cert_present) {
 188                 wpa_printf(MSG_INFO, "Could not find estPassword node");
 189                 goto fail;
 190         }
 191         if (node) {
 192                 pw = xml_node_get_base64_text(ctx->xml, node, NULL);
 193                 if (pw == NULL) {
 194                         wpa_printf(MSG_INFO, "Could not get estPassword text");
 195                         goto fail;
 196                 }
 197                 wpa_printf(MSG_INFO, "estPassword: %s", pw);
 198         }
 199
 200         mkdir("Cert", S_IRWXU);
 201         android_update_permission("Cert", S_IRWXU | S_IRWXG);
 202
 203         if (est_load_cacerts(ctx, url) < 0 ||
 204             est_build_csr(ctx, url) < 0 ||
 205             est_simple_enroll(ctx, url, user, pw) < 0)
 206                 goto fail;
 207
 208         ret = 0;
 209 fail:
 210         xml_node_get_text_free(ctx->xml, url);
 211         xml_node_get_text_free(ctx->xml, user);
 212         xml_node_get_text_free(ctx->xml, pw);
 213
 214         return ret;
 215 }
 216
 217
 218 static int process_est_cert(struct hs20_osu_client *ctx, xml_node_t *cert,
 219                             const char *fqdn)
 220 {
 221         u8 digest1[SHA256_MAC_LEN], digest2[SHA256_MAC_LEN];
 222         char *der, *pem;
 223         size_t der_len, pem_len;
 224         char *fingerprint;
 225         char buf[200];
 226
 227         wpa_printf(MSG_INFO, "PPS for certificate credential - fqdn=%s", fqdn);
 228
 229         fingerprint = xml_node_get_text(ctx->xml, cert);
 230         if (fingerprint == NULL)
 231                 return -1;
 232         if (hexstr2bin(fingerprint, digest1, SHA256_MAC_LEN) < 0) {
 233                 wpa_printf(MSG_INFO, "Invalid SHA256 hash value");
 234                 write_result(ctx, "Invalid client certificate SHA256 hash value in PPS");
 235                 xml_node_get_text_free(ctx->xml, fingerprint);
 236                 return -1;
 237         }
 238         xml_node_get_text_free(ctx->xml, fingerprint);
 239
 240         der = os_readfile("Cert/est_cert.der", &der_len);
 241         if (der == NULL) {
 242                 wpa_printf(MSG_INFO, "Could not find client certificate from EST");
 243                 write_result(ctx, "Could not find client certificate from EST");
 244                 return -1;
 245         }
 246
 247         if (sha256_vector(1, (const u8 **) &der, &der_len, digest2) < 0) {
 248                 os_free(der);
 249                 return -1;
 250         }
 251         os_free(der);
 252
 253         if (os_memcmp(digest1, digest2, sizeof(digest1)) != 0) {
 254                 wpa_printf(MSG_INFO, "Client certificate from EST does not match fingerprint from PPS MO");
 255                 write_result(ctx, "Client certificate from EST does not match fingerprint from PPS MO");
 256                 return -1;
 257         }
 258
 259         wpa_printf(MSG_INFO, "Client certificate from EST matches PPS MO");
 260         unlink("Cert/est_cert.der");
 261
 262         os_snprintf(buf, sizeof(buf), "SP/%s/client-ca.pem", fqdn);
 263         if (rename("Cert/est-cacerts.pem", buf) < 0) {
 264                 wpa_printf(MSG_INFO, "Could not move est-cacerts.pem to client-ca.pem: %s",
 265                            strerror(errno));
 266                 return -1;
 267         }
 268         pem = os_readfile(buf, &pem_len);
 269
 270         os_snprintf(buf, sizeof(buf), "SP/%s/client-cert.pem", fqdn);
 271         if (rename("Cert/est_cert.pem", buf) < 0) {
 272                 wpa_printf(MSG_INFO, "Could not move est_cert.pem to client-cert.pem: %s",
 273                            strerror(errno));
 274                 os_free(pem);
 275                 return -1;
 276         }
 277
 278         if (pem) {
 279                 FILE *f = fopen(buf, "a");
 280                 if (f) {
 281                         fwrite(pem, pem_len, 1, f);
 282                         fclose(f);
 283                 }
 284                 os_free(pem);
 285         }
 286
 287         os_snprintf(buf, sizeof(buf), "SP/%s/client-key.pem", fqdn);
 288         if (rename("Cert/privkey-plain.pem", buf) < 0) {
 289                 wpa_printf(MSG_INFO, "Could not move privkey-plain.pem to client-key.pem: %s",
 290                            strerror(errno));
 291                 return -1;
 292         }
 293
 294         unlink("Cert/est-req.b64");
 295         unlink("Cert/est-req.pem");
 296         rmdir("Cert");
 297
 298         return 0;
 299 }
 300
 301
 302 #define TMP_CERT_DL_FILE "tmp-cert-download"
 303
 304 static int download_cert(struct hs20_osu_client *ctx, xml_node_t *params,
 305                          const char *fname)
 306 {
 307         xml_node_t *url_node, *hash_node;
 308         char *url, *hash;
 309         char *cert;
 310         size_t len;
 311         u8 digest1[SHA256_MAC_LEN], digest2[SHA256_MAC_LEN];
 312         int res;
 313         unsigned char *b64;
 314         FILE *f;
 315
 316         url_node = get_node(ctx->xml, params, "CertURL");
 317         hash_node = get_node(ctx->xml, params, "CertSHA256Fingerprint");
 318         if (url_node == NULL || hash_node == NULL)
 319                 return -1;
 320         url = xml_node_get_text(ctx->xml, url_node);
 321         hash = xml_node_get_text(ctx->xml, hash_node);
 322         if (url == NULL || hash == NULL) {
 323                 xml_node_get_text_free(ctx->xml, url);
 324                 xml_node_get_text_free(ctx->xml, hash);
 325                 return -1;
 326         }
 327
 328         wpa_printf(MSG_INFO, "CertURL: %s", url);
 329         wpa_printf(MSG_INFO, "SHA256 hash: %s", hash);
 330
 331         if (hexstr2bin(hash, digest1, SHA256_MAC_LEN) < 0) {
 332                 wpa_printf(MSG_INFO, "Invalid SHA256 hash value");
 333                 write_result(ctx, "Invalid SHA256 hash value for downloaded certificate");
 334                 xml_node_get_text_free(ctx->xml, hash);
 335                 return -1;
 336         }
 337         xml_node_get_text_free(ctx->xml, hash);
 338
 339         write_summary(ctx, "Download certificate from %s", url);
 340         ctx->no_osu_cert_validation = 1;
 341         http_ocsp_set(ctx->http, 1);
 342         res = http_download_file(ctx->http, url, TMP_CERT_DL_FILE, NULL);
 343         http_ocsp_set(ctx->http,
 344                       (ctx->workarounds & WORKAROUND_OCSP_OPTIONAL) ? 1 : 2);
 345         ctx->no_osu_cert_validation = 0;
 346         xml_node_get_text_free(ctx->xml, url);
 347         if (res < 0)
 348                 return -1;
 349
 350         cert = os_readfile(TMP_CERT_DL_FILE, &len);
 351         remove(TMP_CERT_DL_FILE);
 352         if (cert == NULL)
 353                 return -1;
 354
 355         if (sha256_vector(1, (const u8 **) &cert, &len, digest2) < 0) {
 356                 os_free(cert);
 357                 return -1;
 358         }
 359
 360         if (os_memcmp(digest1, digest2, sizeof(digest1)) != 0) {
 361                 wpa_printf(MSG_INFO, "Downloaded certificate fingerprint did not match");
 362                 write_result(ctx, "Downloaded certificate fingerprint did not match");
 363                 os_free(cert);
 364                 return -1;
 365         }
 366
 367         b64 = base64_encode((unsigned char *) cert, len, NULL);
 368         os_free(cert);
 369         if (b64 == NULL)
 370                 return -1;
 371
 372         f = fopen(fname, "wb");
 373         if (f == NULL) {
 374                 os_free(b64);
 375                 return -1;
 376         }
 377
 378         fprintf(f, "-----BEGIN CERTIFICATE-----\n"
 379                 "%s"
 380                 "-----END CERTIFICATE-----\n",
 381                 b64);
 382
 383         os_free(b64);
 384         fclose(f);
 385
 386         wpa_printf(MSG_INFO, "Downloaded certificate into %s and validated fingerprint",
 387                    fname);
 388         write_summary(ctx, "Downloaded certificate into %s and validated fingerprint",
 389                       fname);
 390
 391         return 0;
 392 }
 393
 394
 395 static int cmd_dl_osu_ca(struct hs20_osu_client *ctx, const char *pps_fname,
 396                          const char *ca_fname)
 397 {
 398         xml_node_t *pps, *node;
 399         int ret;
 400
 401         pps = node_from_file(ctx->xml, pps_fname);
 402         if (pps == NULL) {
 403                 wpa_printf(MSG_INFO, "Could not read or parse '%s'", pps_fname);
 404                 return -1;
 405         }
 406
 407         node = get_child_node(ctx->xml, pps,
 408                               "SubscriptionUpdate/TrustRoot");
 409         if (node == NULL) {
 410                 wpa_printf(MSG_INFO, "No SubscriptionUpdate/TrustRoot/CertURL found from PPS");
 411                 xml_node_free(ctx->xml, pps);
 412                 return -1;
 413         }
 414
 415         ret = download_cert(ctx, node, ca_fname);
 416         xml_node_free(ctx->xml, pps);
 417
 418         return ret;
 419 }
 420
 421
 422 static int cmd_dl_polupd_ca(struct hs20_osu_client *ctx, const char *pps_fname,
 423                             const char *ca_fname)
 424 {
 425         xml_node_t *pps, *node;
 426         int ret;
 427
 428         pps = node_from_file(ctx->xml, pps_fname);
 429         if (pps == NULL) {
 430                 wpa_printf(MSG_INFO, "Could not read or parse '%s'", pps_fname);
 431                 return -1;
 432         }
 433
 434         node = get_child_node(ctx->xml, pps,
 435                               "Policy/PolicyUpdate/TrustRoot");
 436         if (node == NULL) {
 437                 wpa_printf(MSG_INFO, "No Policy/PolicyUpdate/TrustRoot/CertURL found from PPS");
 438                 xml_node_free(ctx->xml, pps);
 439                 return -2;
 440         }
 441
 442         ret = download_cert(ctx, node, ca_fname);
 443         xml_node_free(ctx->xml, pps);
 444
 445         return ret;
 446 }
 447
 448
 449 static int cmd_dl_aaa_ca(struct hs20_osu_client *ctx, const char *pps_fname,
 450                          const char *ca_fname)
 451 {
 452         xml_node_t *pps, *node, *aaa;
 453         int ret;
 454
 455         pps = node_from_file(ctx->xml, pps_fname);
 456         if (pps == NULL) {
 457                 wpa_printf(MSG_INFO, "Could not read or parse '%s'", pps_fname);
 458                 return -1;
 459         }
 460
 461         node = get_child_node(ctx->xml, pps,
 462                               "AAAServerTrustRoot");
 463         if (node == NULL) {
 464                 wpa_printf(MSG_INFO, "No AAAServerTrustRoot/CertURL found from PPS");
 465                 xml_node_free(ctx->xml, pps);
 466                 return -2;
 467         }
 468
 469         aaa = xml_node_first_child(ctx->xml, node);
 470         if (aaa == NULL) {
 471                 wpa_printf(MSG_INFO, "No AAAServerTrustRoot/CertURL found from PPS");
 472                 xml_node_free(ctx->xml, pps);
 473                 return -1;
 474         }
 475
 476         ret = download_cert(ctx, aaa, ca_fname);
 477         xml_node_free(ctx->xml, pps);
 478
 479         return ret;
 480 }
 481
 482
 483 static int download_trust_roots(struct hs20_osu_client *ctx,
 484                                 const char *pps_fname)
 485 {
 486         char *dir, *pos;
 487         char fname[300];
 488         int ret, ret1;
 489
 490         dir = os_strdup(pps_fname);
 491         if (dir == NULL)
 492                 return -1;
 493         pos = os_strrchr(dir, '/');
 494         if (pos == NULL) {
 495                 os_free(dir);
 496                 return -1;
 497         }
 498         *pos = '\0';
 499
 500         snprintf(fname, sizeof(fname), "%s/ca.pem", dir);
 501         ret = cmd_dl_osu_ca(ctx, pps_fname, fname);
 502         snprintf(fname, sizeof(fname), "%s/polupd-ca.pem", dir);
 503         ret1 = cmd_dl_polupd_ca(ctx, pps_fname, fname);
 504         if (ret == 0 && ret1 == -1)
 505                 ret = -1;
 506         snprintf(fname, sizeof(fname), "%s/aaa-ca.pem", dir);
 507         ret1 = cmd_dl_aaa_ca(ctx, pps_fname, fname);
 508         if (ret == 0 && ret1 == -1)
 509                 ret = -1;
 510
 511         os_free(dir);
 512
 513         return ret;
 514 }
 515
 516
 517 static int server_dnsname_suffix_match(struct hs20_osu_client *ctx,
 518                                        const char *fqdn)
 519 {
 520         size_t match_len, len, i;
 521         const char *val;
 522
 523         match_len = os_strlen(fqdn);
 524
 525         for (i = 0; i < ctx->server_dnsname_count; i++) {
 526                 wpa_printf(MSG_INFO,
 527                            "Checking suffix match against server dNSName %s",
 528                            ctx->server_dnsname[i]);
 529                 val = ctx->server_dnsname[i];
 530                 len = os_strlen(val);
 531
 532                 if (match_len > len)
 533                         continue;
 534
 535                 if (os_strncasecmp(val + len - match_len, fqdn, match_len) != 0)
 536                         continue; /* no match */
 537
 538                 if (match_len == len)
 539                         return 1; /* exact match */
 540
 541                 if (val[len - match_len - 1] == '.')
 542                         return 1; /* full label match completes suffix match */
 543
 544                 /* Reject due to incomplete label match */
 545         }
 546
 547         /* None of the dNSName(s) matched */
 548         return 0;
 549 }
 550
 551
 552 int hs20_add_pps_mo(struct hs20_osu_client *ctx, const char *uri,
 553                     xml_node_t *add_mo, char *fname, size_t fname_len)
 554 {
 555         char *str;
 556         char *fqdn, *pos;
 557         xml_node_t *tnds, *mo, *cert;
 558         const char *name;
 559         int ret;
 560
 561         if (strncmp(uri, "./Wi-Fi/", 8) != 0) {
 562                 wpa_printf(MSG_INFO, "Unsupported location for addMO to add PPS MO: '%s'",
 563                            uri);
 564                 write_result(ctx, "Unsupported location for addMO to add PPS MO: '%s'",
 565                              uri);
 566                 return -1;
 567         }
 568
 569         fqdn = strdup(uri + 8);
 570         if (fqdn == NULL)
 571                 return -1;
 572         pos = strchr(fqdn, '/');
 573         if (pos) {
 574                 if (os_strcasecmp(pos, "/PerProviderSubscription") != 0) {
 575                         wpa_printf(MSG_INFO, "Unsupported location for addMO to add PPS MO (extra directory): '%s'",
 576                                    uri);
 577                         write_result(ctx, "Unsupported location for addMO to "
 578                                      "add PPS MO (extra directory): '%s'", uri);
 579                         free(fqdn);
 580                         return -1;
 581                 }
 582                 *pos = '\0'; /* remove trailing slash and PPS node name */
 583         }
 584         wpa_printf(MSG_INFO, "SP FQDN: %s", fqdn);
 585
 586         if (!server_dnsname_suffix_match(ctx, fqdn)) {
 587                 wpa_printf(MSG_INFO,
 588                            "FQDN '%s' for new PPS MO did not have suffix match with server's dNSName values, count: %d",
 589                            fqdn, (int) ctx->server_dnsname_count);
 590                 write_result(ctx, "FQDN '%s' for new PPS MO did not have suffix match with server's dNSName values",
 591                              fqdn);
 592                 free(fqdn);
 593                 return -1;
 594         }
 595
 596         if (!valid_fqdn(fqdn)) {
 597                 wpa_printf(MSG_INFO, "Invalid FQDN '%s'", fqdn);
 598                 write_result(ctx, "Invalid FQDN '%s'", fqdn);
 599                 free(fqdn);
 600                 return -1;
 601         }
 602
 603         mkdir("SP", S_IRWXU);
 604         snprintf(fname, fname_len, "SP/%s", fqdn);
 605         if (mkdir(fname, S_IRWXU) < 0) {
 606                 if (errno != EEXIST) {
 607                         int err = errno;
 608                         wpa_printf(MSG_INFO, "mkdir(%s) failed: %s",
 609                                    fname, strerror(err));
 610                         free(fqdn);
 611                         return -1;
 612                 }
 613         }
 614
 615         android_update_permission("SP", S_IRWXU | S_IRWXG);
 616         android_update_permission(fname, S_IRWXU | S_IRWXG);
 617
 618         snprintf(fname, fname_len, "SP/%s/pps.xml", fqdn);
 619
 620         if (os_file_exists(fname)) {
 621                 wpa_printf(MSG_INFO, "PPS file '%s' exists - reject addMO",
 622                            fname);
 623                 write_result(ctx, "PPS file '%s' exists - reject addMO",
 624                              fname);
 625                 free(fqdn);
 626                 return -2;
 627         }
 628         wpa_printf(MSG_INFO, "Using PPS file: %s", fname);
 629
 630         str = xml_node_get_text(ctx->xml, add_mo);
 631         if (str == NULL) {
 632                 wpa_printf(MSG_INFO, "Could not extract MO text");
 633                 free(fqdn);
 634                 return -1;
 635         }
 636         wpa_printf(MSG_DEBUG, "[hs20] addMO text: '%s'", str);
 637
 638         tnds = xml_node_from_buf(ctx->xml, str);
 639         xml_node_get_text_free(ctx->xml, str);
 640         if (tnds == NULL) {
 641                 wpa_printf(MSG_INFO, "[hs20] Could not parse addMO text");
 642                 free(fqdn);
 643                 return -1;
 644         }
 645
 646         mo = tnds_to_mo(ctx->xml, tnds);
 647         if (mo == NULL) {
 648                 wpa_printf(MSG_INFO, "[hs20] Could not parse addMO TNDS text");
 649                 free(fqdn);
 650                 return -1;
 651         }
 652
 653         debug_dump_node(ctx, "Parsed TNDS", mo);
 654
 655         name = xml_node_get_localname(ctx->xml, mo);
 656         if (os_strcasecmp(name, "PerProviderSubscription") != 0) {
 657                 wpa_printf(MSG_INFO, "[hs20] Unexpected PPS MO root node name '%s'",
 658                            name);
 659                 free(fqdn);
 660                 return -1;
 661         }
 662
 663         cert = get_child_node(ctx->xml, mo,
 664                               "Credential/DigitalCertificate/"
 665                               "CertSHA256Fingerprint");
 666         if (cert && process_est_cert(ctx, cert, fqdn) < 0) {
 667                 xml_node_free(ctx->xml, mo);
 668                 free(fqdn);
 669                 return -1;
 670         }
 671         free(fqdn);
 672
 673         if (node_to_file(ctx->xml, fname, mo) < 0) {
 674                 wpa_printf(MSG_INFO, "Could not write MO to file");
 675                 xml_node_free(ctx->xml, mo);
 676                 return -1;
 677         }
 678         xml_node_free(ctx->xml, mo);
 679
 680         wpa_printf(MSG_INFO, "A new PPS MO added as '%s'", fname);
 681         write_summary(ctx, "A new PPS MO added as '%s'", fname);
 682
 683         ret = download_trust_roots(ctx, fname);
 684         if (ret < 0) {
 685                 wpa_printf(MSG_INFO, "Remove invalid PPS MO file");
 686                 write_summary(ctx, "Remove invalid PPS MO file");
 687                 unlink(fname);
 688         }
 689
 690         return ret;
 691 }
 692
 693
 694 int update_pps_file(struct hs20_osu_client *ctx, const char *pps_fname,
 695                     xml_node_t *pps)
 696 {
 697         char *str;
 698         FILE *f;
 699         char backup[300];
 700
 701         if (ctx->client_cert_present) {
 702                 xml_node_t *cert;
 703                 cert = get_child_node(ctx->xml, pps,
 704                                       "Credential/DigitalCertificate/"
 705                                       "CertSHA256Fingerprint");
 706                 if (cert && os_file_exists("Cert/est_cert.der") &&
 707                     process_est_cert(ctx, cert, ctx->fqdn) < 0) {
 708                         wpa_printf(MSG_INFO, "EST certificate update processing failed on PPS MO update");
 709                         return -1;
 710                 }
 711         }
 712
 713         wpa_printf(MSG_INFO, "Updating PPS MO %s", pps_fname);
 714
 715         str = xml_node_to_str(ctx->xml, pps);
 716         if (str == NULL) {
 717                 wpa_printf(MSG_ERROR, "No node found");
 718                 return -1;
 719         }
 720         wpa_printf(MSG_MSGDUMP, "[hs20] Updated PPS: '%s'", str);
 721
 722         snprintf(backup, sizeof(backup), "%s.bak", pps_fname);
 723         rename(pps_fname, backup);
 724         f = fopen(pps_fname, "w");
 725         if (f == NULL) {
 726                 wpa_printf(MSG_INFO, "Could not write PPS");
 727                 rename(backup, pps_fname);
 728                 free(str);
 729                 return -1;
 730         }
 731         fprintf(f, "%s\n", str);
 732         fclose(f);
 733
 734         free(str);
 735
 736         return 0;
 737 }
 738
 739
 740 void get_user_pw(struct hs20_osu_client *ctx, xml_node_t *pps,
 741                  const char *alt_loc, char **user, char **pw)
 742 {
 743         xml_node_t *node;
 744
 745         node = get_child_node(ctx->xml, pps,
 746                               "Credential/UsernamePassword/Username");
 747         if (node)
 748                 *user = xml_node_get_text(ctx->xml, node);
 749
 750         node = get_child_node(ctx->xml, pps,
 751                               "Credential/UsernamePassword/Password");
 752         if (node)
 753                 *pw = xml_node_get_base64_text(ctx->xml, node, NULL);
 754
 755         node = get_child_node(ctx->xml, pps, alt_loc);
 756         if (node) {
 757                 xml_node_t *a;
 758                 a = get_node(ctx->xml, node, "Username");
 759                 if (a) {
 760                         xml_node_get_text_free(ctx->xml, *user);
 761                         *user = xml_node_get_text(ctx->xml, a);
 762                         wpa_printf(MSG_INFO, "Use OSU username '%s'", *user);
 763                 }
 764
 765                 a = get_node(ctx->xml, node, "Password");
 766                 if (a) {
 767                         free(*pw);
 768                         *pw = xml_node_get_base64_text(ctx->xml, a, NULL);
 769                         wpa_printf(MSG_INFO, "Use OSU password");
 770                 }
 771         }
 772 }
 773
 774
 775 /* Remove old credentials based on HomeSP/FQDN */
 776 static void remove_sp_creds(struct hs20_osu_client *ctx, const char *fqdn)
 777 {
 778         char cmd[300];
 779         os_snprintf(cmd, sizeof(cmd), "REMOVE_CRED provisioning_sp=%s", fqdn);
 780         if (wpa_command(ctx->ifname, cmd) < 0)
 781                 wpa_printf(MSG_INFO, "Failed to remove old credential(s)");
 782 }
 783
 784
 785 static void set_pps_cred_policy_spe(struct hs20_osu_client *ctx, int id,
 786                                     xml_node_t *spe)
 787 {
 788         xml_node_t *ssid;
 789         char *txt;
 790
 791         ssid = get_node(ctx->xml, spe, "SSID");
 792         if (ssid == NULL)
 793                 return;
 794         txt = xml_node_get_text(ctx->xml, ssid);
 795         if (txt == NULL)
 796                 return;
 797         wpa_printf(MSG_DEBUG, "- Policy/SPExclusionList/<X+>/SSID = %s", txt);
 798         if (set_cred_quoted(ctx->ifname, id, "excluded_ssid", txt) < 0)
 799                 wpa_printf(MSG_INFO, "Failed to set cred excluded_ssid");
 800         xml_node_get_text_free(ctx->xml, txt);
 801 }
 802
 803
 804 static void set_pps_cred_policy_spel(struct hs20_osu_client *ctx, int id,
 805                                      xml_node_t *spel)
 806 {
 807         xml_node_t *child;
 808
 809         xml_node_for_each_child(ctx->xml, child, spel) {
 810                 xml_node_for_each_check(ctx->xml, child);
 811                 set_pps_cred_policy_spe(ctx, id, child);
 812         }
 813 }
 814
 815
 816 static void set_pps_cred_policy_prp(struct hs20_osu_client *ctx, int id,
 817                                     xml_node_t *prp)
 818 {
 819         xml_node_t *node;
 820         char *txt = NULL, *pos;
 821         char *prio, *country_buf = NULL;
 822         const char *country;
 823         char val[200];
 824         int priority;
 825
 826         node = get_node(ctx->xml, prp, "Priority");
 827         if (node == NULL)
 828                 return;
 829         prio = xml_node_get_text(ctx->xml, node);
 830         if (prio == NULL)
 831                 return;
 832         wpa_printf(MSG_INFO, "- Policy/PreferredRoamingPartnerList/<X+>/Priority = %s",
 833                    prio);
 834         priority = atoi(prio);
 835         xml_node_get_text_free(ctx->xml, prio);
 836
 837         node = get_node(ctx->xml, prp, "Country");
 838         if (node) {
 839                 country_buf = xml_node_get_text(ctx->xml, node);
 840                 if (country_buf == NULL)
 841                         return;
 842                 country = country_buf;
 843                 wpa_printf(MSG_INFO, "- Policy/PreferredRoamingPartnerList/<X+>/Country = %s",
 844                            country);
 845         } else {
 846                 country = "*";
 847         }
 848
 849         node = get_node(ctx->xml, prp, "FQDN_Match");
 850         if (node == NULL)
 851                 goto out;
 852         txt = xml_node_get_text(ctx->xml, node);
 853         if (txt == NULL)
 854                 goto out;
 855         wpa_printf(MSG_INFO, "- Policy/PreferredRoamingPartnerList/<X+>/FQDN_Match = %s",
 856                    txt);
 857         pos = strrchr(txt, ',');
 858         if (pos == NULL)
 859                 goto out;
 860         *pos++ = '\0';
 861
 862         snprintf(val, sizeof(val), "%s,%d,%d,%s", txt,
 863                  strcmp(pos, "includeSubdomains") != 0, priority, country);
 864         if (set_cred_quoted(ctx->ifname, id, "roaming_partner", val) < 0)
 865                 wpa_printf(MSG_INFO, "Failed to set cred roaming_partner");
 866 out:
 867         xml_node_get_text_free(ctx->xml, country_buf);
 868         xml_node_get_text_free(ctx->xml, txt);
 869 }
 870
 871
 872 static void set_pps_cred_policy_prpl(struct hs20_osu_client *ctx, int id,
 873                                      xml_node_t *prpl)
 874 {
 875         xml_node_t *child;
 876
 877         xml_node_for_each_child(ctx->xml, child, prpl) {
 878                 xml_node_for_each_check(ctx->xml, child);
 879                 set_pps_cred_policy_prp(ctx, id, child);
 880         }
 881 }
 882
 883
 884 static void set_pps_cred_policy_min_backhaul(struct hs20_osu_client *ctx, int id,
 885                                              xml_node_t *min_backhaul)
 886 {
 887         xml_node_t *node;
 888         char *type, *dl = NULL, *ul = NULL;
 889         int home;
 890
 891         node = get_node(ctx->xml, min_backhaul, "NetworkType");
 892         if (node == NULL) {
 893                 wpa_printf(MSG_INFO, "Ignore MinBackhaulThreshold without mandatory NetworkType node");
 894                 return;
 895         }
 896
 897         type = xml_node_get_text(ctx->xml, node);
 898         if (type == NULL)
 899                 return;
 900         wpa_printf(MSG_INFO, "- Policy/MinBackhaulThreshold/<X+>/NetworkType = %s",
 901                    type);
 902         if (os_strcasecmp(type, "home") == 0)
 903                 home = 1;
 904         else if (os_strcasecmp(type, "roaming") == 0)
 905                 home = 0;
 906         else {
 907                 wpa_printf(MSG_INFO, "Ignore MinBackhaulThreshold with invalid NetworkType");
 908                 xml_node_get_text_free(ctx->xml, type);
 909                 return;
 910         }
 911         xml_node_get_text_free(ctx->xml, type);
 912
 913         node = get_node(ctx->xml, min_backhaul, "DLBandwidth");
 914         if (node)
 915                 dl = xml_node_get_text(ctx->xml, node);
 916
 917         node = get_node(ctx->xml, min_backhaul, "ULBandwidth");
 918         if (node)
 919                 ul = xml_node_get_text(ctx->xml, node);
 920
 921         if (dl == NULL && ul == NULL) {
 922                 wpa_printf(MSG_INFO, "Ignore MinBackhaulThreshold without either DLBandwidth or ULBandwidth nodes");
 923                 return;
 924         }
 925
 926         if (dl)
 927                 wpa_printf(MSG_INFO, "- Policy/MinBackhaulThreshold/<X+>/DLBandwidth = %s",
 928                            dl);
 929         if (ul)
 930                 wpa_printf(MSG_INFO, "- Policy/MinBackhaulThreshold/<X+>/ULBandwidth = %s",
 931                            ul);
 932
 933         if (home) {
 934                 if (dl &&
 935                     set_cred(ctx->ifname, id, "min_dl_bandwidth_home", dl) < 0)
 936                         wpa_printf(MSG_INFO, "Failed to set cred bandwidth limit");
 937                 if (ul &&
 938                     set_cred(ctx->ifname, id, "min_ul_bandwidth_home", ul) < 0)
 939                         wpa_printf(MSG_INFO, "Failed to set cred bandwidth limit");
 940         } else {
 941                 if (dl &&
 942                     set_cred(ctx->ifname, id, "min_dl_bandwidth_roaming", dl) <
 943                     0)
 944                         wpa_printf(MSG_INFO, "Failed to set cred bandwidth limit");
 945                 if (ul &&
 946                     set_cred(ctx->ifname, id, "min_ul_bandwidth_roaming", ul) <
 947                     0)
 948                         wpa_printf(MSG_INFO, "Failed to set cred bandwidth limit");
 949         }
 950
 951         xml_node_get_text_free(ctx->xml, dl);
 952         xml_node_get_text_free(ctx->xml, ul);
 953 }
 954
 955
 956 static void set_pps_cred_policy_min_backhaul_list(struct hs20_osu_client *ctx,
 957                                                   int id, xml_node_t *node)
 958 {
 959         xml_node_t *child;
 960
 961         wpa_printf(MSG_INFO, "- Policy/MinBackhaulThreshold");
 962
 963         xml_node_for_each_child(ctx->xml, child, node) {
 964                 xml_node_for_each_check(ctx->xml, child);
 965                 set_pps_cred_policy_min_backhaul(ctx, id, child);
 966         }
 967 }
 968
 969
 970 static void set_pps_cred_policy_update(struct hs20_osu_client *ctx, int id,
 971                                        xml_node_t *node)
 972 {
 973         wpa_printf(MSG_INFO, "- Policy/PolicyUpdate");
 974         /* Not used in wpa_supplicant */
 975 }
 976
 977
 978 static void set_pps_cred_policy_required_proto_port(struct hs20_osu_client *ctx,
 979                                                     int id, xml_node_t *tuple)
 980 {
 981         xml_node_t *node;
 982         char *proto, *port;
 983         char *buf;
 984         size_t buflen;
 985
 986         node = get_node(ctx->xml, tuple, "IPProtocol");
 987         if (node == NULL) {
 988                 wpa_printf(MSG_INFO, "Ignore RequiredProtoPortTuple without mandatory IPProtocol node");
 989                 return;
 990         }
 991
 992         proto = xml_node_get_text(ctx->xml, node);
 993         if (proto == NULL)
 994                 return;
 995
 996         wpa_printf(MSG_INFO, "- Policy/RequiredProtoPortTuple/<X+>/IPProtocol = %s",
 997                    proto);
 998
 999         node = get_node(ctx->xml, tuple, "PortNumber");
1000         port = node ? xml_node_get_text(ctx->xml, node) : NULL;
1001         if (port) {
1002                 wpa_printf(MSG_INFO, "- Policy/RequiredProtoPortTuple/<X+>/PortNumber = %s",
1003                            port);
1004                 buflen = os_strlen(proto) + os_strlen(port) + 10;
1005                 buf = os_malloc(buflen);
1006                 if (buf)
1007                         os_snprintf(buf, buflen, "%s:%s", proto, port);
1008                 xml_node_get_text_free(ctx->xml, port);
1009         } else {
1010                 buflen = os_strlen(proto) + 10;
1011                 buf = os_malloc(buflen);
1012                 if (buf)
1013                         os_snprintf(buf, buflen, "%s", proto);
1014         }
1015
1016         xml_node_get_text_free(ctx->xml, proto);
1017
1018         if (buf == NULL)
1019                 return;
1020
1021         if (set_cred(ctx->ifname, id, "req_conn_capab", buf) < 0)
1022                 wpa_printf(MSG_INFO, "Could not set req_conn_capab");
1023
1024         os_free(buf);
1025 }
1026
1027
1028 static void set_pps_cred_policy_required_proto_ports(struct hs20_osu_client *ctx,
1029                                                      int id, xml_node_t *node)
1030 {
1031         xml_node_t *child;
1032
1033         wpa_printf(MSG_INFO, "- Policy/RequiredProtoPortTuple");
1034
1035         xml_node_for_each_child(ctx->xml, child, node) {
1036                 xml_node_for_each_check(ctx->xml, child);
1037                 set_pps_cred_policy_required_proto_port(ctx, id, child);
1038         }
1039 }
1040
1041
1042 static void set_pps_cred_policy_max_bss_load(struct hs20_osu_client *ctx, int id,
1043                                              xml_node_t *node)
1044 {
1045         char *str = xml_node_get_text(ctx->xml, node);
1046         if (str == NULL)
1047                 return;
1048         wpa_printf(MSG_INFO, "- Policy/MaximumBSSLoadValue - %s", str);
1049         if (set_cred(ctx->ifname, id, "max_bss_load", str) < 0)
1050                 wpa_printf(MSG_INFO, "Failed to set cred max_bss_load limit");
1051         xml_node_get_text_free(ctx->xml, str);
1052 }
1053
1054
1055 static void set_pps_cred_policy(struct hs20_osu_client *ctx, int id,
1056                                 xml_node_t *node)
1057 {
1058         xml_node_t *child;
1059         const char *name;
1060
1061         wpa_printf(MSG_INFO, "- Policy");
1062
1063         xml_node_for_each_child(ctx->xml, child, node) {
1064                 xml_node_for_each_check(ctx->xml, child);
1065                 name = xml_node_get_localname(ctx->xml, child);
1066                 if (os_strcasecmp(name, "PreferredRoamingPartnerList") == 0)
1067                         set_pps_cred_policy_prpl(ctx, id, child);
1068                 else if (os_strcasecmp(name, "MinBackhaulThreshold") == 0)
1069                         set_pps_cred_policy_min_backhaul_list(ctx, id, child);
1070                 else if (os_strcasecmp(name, "PolicyUpdate") == 0)
1071                         set_pps_cred_policy_update(ctx, id, child);
1072                 else if (os_strcasecmp(name, "SPExclusionList") == 0)
1073                         set_pps_cred_policy_spel(ctx, id, child);
1074                 else if (os_strcasecmp(name, "RequiredProtoPortTuple") == 0)
1075                         set_pps_cred_policy_required_proto_ports(ctx, id, child);
1076                 else if (os_strcasecmp(name, "MaximumBSSLoadValue") == 0)
1077                         set_pps_cred_policy_max_bss_load(ctx, id, child);
1078                 else
1079                         wpa_printf(MSG_INFO, "Unknown Policy node '%s'", name);
1080         }
1081 }
1082
1083
1084 static void set_pps_cred_priority(struct hs20_osu_client *ctx, int id,
1085                                   xml_node_t *node)
1086 {
1087         char *str = xml_node_get_text(ctx->xml, node);
1088         if (str == NULL)
1089                 return;
1090         wpa_printf(MSG_INFO, "- CredentialPriority = %s", str);
1091         if (set_cred(ctx->ifname, id, "sp_priority", str) < 0)
1092                 wpa_printf(MSG_INFO, "Failed to set cred sp_priority");
1093         xml_node_get_text_free(ctx->xml, str);
1094 }
1095
1096
1097 static void set_pps_cred_aaa_server_trust_root(struct hs20_osu_client *ctx,
1098                                                int id, xml_node_t *node)
1099 {
1100         wpa_printf(MSG_INFO, "- AAAServerTrustRoot - TODO");
1101 }
1102
1103
1104 static void set_pps_cred_sub_update(struct hs20_osu_client *ctx, int id,
1105                                     xml_node_t *node)
1106 {
1107         wpa_printf(MSG_INFO, "- SubscriptionUpdate");
1108         /* not used within wpa_supplicant */
1109 }
1110
1111
1112 static void set_pps_cred_home_sp_network_id(struct hs20_osu_client *ctx,
1113                                             int id, xml_node_t *node)
1114 {
1115         xml_node_t *ssid_node, *hessid_node;
1116         char *ssid, *hessid;
1117
1118         ssid_node = get_node(ctx->xml, node, "SSID");
1119         if (ssid_node == NULL) {
1120                 wpa_printf(MSG_INFO, "Ignore HomeSP/NetworkID without mandatory SSID node");
1121                 return;
1122         }
1123
1124         hessid_node = get_node(ctx->xml, node, "HESSID");
1125
1126         ssid = xml_node_get_text(ctx->xml, ssid_node);
1127         if (ssid == NULL)
1128                 return;
1129         hessid = hessid_node ? xml_node_get_text(ctx->xml, hessid_node) : NULL;
1130
1131         wpa_printf(MSG_INFO, "- HomeSP/NetworkID/<X+>/SSID = %s", ssid);
1132         if (hessid)
1133                 wpa_printf(MSG_INFO, "- HomeSP/NetworkID/<X+>/HESSID = %s",
1134                            hessid);
1135
1136         /* TODO: Configure to wpa_supplicant */
1137
1138         xml_node_get_text_free(ctx->xml, ssid);
1139         xml_node_get_text_free(ctx->xml, hessid);
1140 }
1141
1142
1143 static void set_pps_cred_home_sp_network_ids(struct hs20_osu_client *ctx,
1144                                              int id, xml_node_t *node)
1145 {
1146         xml_node_t *child;
1147
1148         wpa_printf(MSG_INFO, "- HomeSP/NetworkID");
1149
1150         xml_node_for_each_child(ctx->xml, child, node) {
1151                 xml_node_for_each_check(ctx->xml, child);
1152                 set_pps_cred_home_sp_network_id(ctx, id, child);
1153         }
1154 }
1155
1156
1157 static void set_pps_cred_home_sp_friendly_name(struct hs20_osu_client *ctx,
1158                                                int id, xml_node_t *node)
1159 {
1160         char *str = xml_node_get_text(ctx->xml, node);
1161         if (str == NULL)
1162                 return;
1163         wpa_printf(MSG_INFO, "- HomeSP/FriendlyName = %s", str);
1164         /* not used within wpa_supplicant(?) */
1165         xml_node_get_text_free(ctx->xml, str);
1166 }
1167
1168
1169 static void set_pps_cred_home_sp_icon_url(struct hs20_osu_client *ctx,
1170                                           int id, xml_node_t *node)
1171 {
1172         char *str = xml_node_get_text(ctx->xml, node);
1173         if (str == NULL)
1174                 return;
1175         wpa_printf(MSG_INFO, "- HomeSP/IconURL = %s", str);
1176         /* not used within wpa_supplicant */
1177         xml_node_get_text_free(ctx->xml, str);
1178 }
1179
1180
1181 static void set_pps_cred_home_sp_fqdn(struct hs20_osu_client *ctx, int id,
1182                                       xml_node_t *node)
1183 {
1184         char *str = xml_node_get_text(ctx->xml, node);
1185         if (str == NULL)
1186                 return;
1187         wpa_printf(MSG_INFO, "- HomeSP/FQDN = %s", str);
1188         if (set_cred_quoted(ctx->ifname, id, "domain", str) < 0)
1189                 wpa_printf(MSG_INFO, "Failed to set cred domain");
1190         if (set_cred_quoted(ctx->ifname, id, "domain_suffix_match", str) < 0)
1191                 wpa_printf(MSG_INFO, "Failed to set cred domain_suffix_match");
1192         xml_node_get_text_free(ctx->xml, str);
1193 }
1194
1195
1196 static void set_pps_cred_home_sp_oi(struct hs20_osu_client *ctx, int id,
1197                                     xml_node_t *node)
1198 {
1199         xml_node_t *child;
1200         const char *name;
1201         char *homeoi = NULL;
1202         int required = 0;
1203         char *str;
1204
1205         xml_node_for_each_child(ctx->xml, child, node) {
1206                 xml_node_for_each_check(ctx->xml, child);
1207                 name = xml_node_get_localname(ctx->xml, child);
1208                 if (strcasecmp(name, "HomeOI") == 0 && !homeoi) {
1209                         homeoi = xml_node_get_text(ctx->xml, child);
1210                         wpa_printf(MSG_INFO, "- HomeSP/HomeOIList/<X+>/HomeOI = %s",
1211                                    homeoi);
1212                 } else if (strcasecmp(name, "HomeOIRequired") == 0) {
1213                         str = xml_node_get_text(ctx->xml, child);
1214                         wpa_printf(MSG_INFO, "- HomeSP/HomeOIList/<X+>/HomeOIRequired = '%s'",
1215                                    str);
1216                         if (str == NULL)
1217                                 continue;
1218                         required = strcasecmp(str, "true") == 0;
1219                         xml_node_get_text_free(ctx->xml, str);
1220                 } else
1221                         wpa_printf(MSG_INFO, "Unknown HomeOIList node '%s'",
1222                                    name);
1223         }
1224
1225         if (homeoi == NULL) {
1226                 wpa_printf(MSG_INFO, "- HomeSP/HomeOIList/<X+> without HomeOI ignored");
1227                 return;
1228         }
1229
1230         wpa_printf(MSG_INFO, "- HomeSP/HomeOIList/<X+> '%s' required=%d",
1231                    homeoi, required);
1232
1233         if (required) {
1234                 if (set_cred(ctx->ifname, id, "required_roaming_consortium",
1235                              homeoi) < 0)
1236                         wpa_printf(MSG_INFO, "Failed to set cred required_roaming_consortium");
1237         } else {
1238                 if (set_cred(ctx->ifname, id, "roaming_consortium", homeoi) < 0)
1239                         wpa_printf(MSG_INFO, "Failed to set cred roaming_consortium");
1240         }
1241
1242         xml_node_get_text_free(ctx->xml, homeoi);
1243 }
1244
1245
1246 static void set_pps_cred_home_sp_oi_list(struct hs20_osu_client *ctx, int id,
1247                                          xml_node_t *node)
1248 {
1249         xml_node_t *child;
1250
1251         wpa_printf(MSG_INFO, "- HomeSP/HomeOIList");
1252
1253         xml_node_for_each_child(ctx->xml, child, node) {
1254                 xml_node_for_each_check(ctx->xml, child);
1255                 set_pps_cred_home_sp_oi(ctx, id, child);
1256         }
1257 }
1258
1259
1260 static void set_pps_cred_home_sp_other_partner(struct hs20_osu_client *ctx,
1261                                                int id, xml_node_t *node)
1262 {
1263         xml_node_t *child;
1264         const char *name;
1265         char *fqdn = NULL;
1266
1267         xml_node_for_each_child(ctx->xml, child, node) {
1268                 xml_node_for_each_check(ctx->xml, child);
1269                 name = xml_node_get_localname(ctx->xml, child);
1270                 if (os_strcasecmp(name, "FQDN") == 0 && !fqdn) {
1271                         fqdn = xml_node_get_text(ctx->xml, child);
1272                         wpa_printf(MSG_INFO, "- HomeSP/OtherHomePartners/<X+>/FQDN = %s",
1273                                    fqdn);
1274                 } else
1275                         wpa_printf(MSG_INFO, "Unknown OtherHomePartners node '%s'",
1276                                    name);
1277         }
1278
1279         if (fqdn == NULL) {
1280                 wpa_printf(MSG_INFO, "- HomeSP/OtherHomePartners/<X+> without FQDN ignored");
1281                 return;
1282         }
1283
1284         if (set_cred_quoted(ctx->ifname, id, "domain", fqdn) < 0)
1285                 wpa_printf(MSG_INFO, "Failed to set cred domain for OtherHomePartners node");
1286
1287         xml_node_get_text_free(ctx->xml, fqdn);
1288 }
1289
1290
1291 static void set_pps_cred_home_sp_other_partners(struct hs20_osu_client *ctx,
1292                                                 int id,
1293                                                 xml_node_t *node)
1294 {
1295         xml_node_t *child;
1296
1297         wpa_printf(MSG_INFO, "- HomeSP/OtherHomePartners");
1298
1299         xml_node_for_each_child(ctx->xml, child, node) {
1300                 xml_node_for_each_check(ctx->xml, child);
1301                 set_pps_cred_home_sp_other_partner(ctx, id, child);
1302         }
1303 }
1304
1305
1306 static void set_pps_cred_home_sp_roaming_consortium_oi(
1307         struct hs20_osu_client *ctx, int id, xml_node_t *node)
1308 {
1309         char *str = xml_node_get_text(ctx->xml, node);
1310         if (str == NULL)
1311                 return;
1312         wpa_printf(MSG_INFO, "- HomeSP/RoamingConsortiumOI = %s", str);
1313         if (set_cred_quoted(ctx->ifname, id, "roaming_consortiums",
1314                             str) < 0)
1315                 wpa_printf(MSG_INFO, "Failed to set cred roaming_consortiums");
1316         xml_node_get_text_free(ctx->xml, str);
1317 }
1318
1319
1320 static void set_pps_cred_home_sp(struct hs20_osu_client *ctx, int id,
1321                                  xml_node_t *node)
1322 {
1323         xml_node_t *child;
1324         const char *name;
1325
1326         wpa_printf(MSG_INFO, "- HomeSP");
1327
1328         xml_node_for_each_child(ctx->xml, child, node) {
1329                 xml_node_for_each_check(ctx->xml, child);
1330                 name = xml_node_get_localname(ctx->xml, child);
1331                 if (os_strcasecmp(name, "NetworkID") == 0)
1332                         set_pps_cred_home_sp_network_ids(ctx, id, child);
1333                 else if (os_strcasecmp(name, "FriendlyName") == 0)
1334                         set_pps_cred_home_sp_friendly_name(ctx, id, child);
1335                 else if (os_strcasecmp(name, "IconURL") == 0)
1336                         set_pps_cred_home_sp_icon_url(ctx, id, child);
1337                 else if (os_strcasecmp(name, "FQDN") == 0)
1338                         set_pps_cred_home_sp_fqdn(ctx, id, child);
1339                 else if (os_strcasecmp(name, "HomeOIList") == 0)
1340                         set_pps_cred_home_sp_oi_list(ctx, id, child);
1341                 else if (os_strcasecmp(name, "OtherHomePartners") == 0)
1342                         set_pps_cred_home_sp_other_partners(ctx, id, child);
1343                 else if (os_strcasecmp(name, "RoamingConsortiumOI") == 0)
1344                         set_pps_cred_home_sp_roaming_consortium_oi(ctx, id,
1345                                                                    child);
1346                 else
1347                         wpa_printf(MSG_INFO, "Unknown HomeSP node '%s'", name);
1348         }
1349 }
1350
1351
1352 static void set_pps_cred_sub_params(struct hs20_osu_client *ctx, int id,
1353                                     xml_node_t *node)
1354 {
1355         wpa_printf(MSG_INFO, "- SubscriptionParameters");
1356         /* not used within wpa_supplicant */
1357 }
1358
1359
1360 static void set_pps_cred_creation_date(struct hs20_osu_client *ctx, int id,
1361                                        xml_node_t *node)
1362 {
1363         char *str = xml_node_get_text(ctx->xml, node);
1364         if (str == NULL)
1365                 return;
1366         wpa_printf(MSG_INFO, "- Credential/CreationDate = %s", str);
1367         /* not used within wpa_supplicant */
1368         xml_node_get_text_free(ctx->xml, str);
1369 }
1370
1371
1372 static void set_pps_cred_expiration_date(struct hs20_osu_client *ctx, int id,
1373                                          xml_node_t *node)
1374 {
1375         char *str = xml_node_get_text(ctx->xml, node);
1376         if (str == NULL)
1377                 return;
1378         wpa_printf(MSG_INFO, "- Credential/ExpirationDate = %s", str);
1379         /* not used within wpa_supplicant */
1380         xml_node_get_text_free(ctx->xml, str);
1381 }
1382
1383
1384 static void set_pps_cred_username(struct hs20_osu_client *ctx, int id,
1385                                   xml_node_t *node)
1386 {
1387         char *str = xml_node_get_text(ctx->xml, node);
1388         if (str == NULL)
1389                 return;
1390         wpa_printf(MSG_INFO, "- Credential/UsernamePassword/Username = %s",
1391                    str);
1392         if (set_cred_quoted(ctx->ifname, id, "username", str) < 0)
1393                 wpa_printf(MSG_INFO, "Failed to set cred username");
1394         xml_node_get_text_free(ctx->xml, str);
1395 }
1396
1397
1398 static void set_pps_cred_password(struct hs20_osu_client *ctx, int id,
1399                                   xml_node_t *node)
1400 {
1401         int len, i;
1402         char *pw, *hex, *pos, *end;
1403
1404         pw = xml_node_get_base64_text(ctx->xml, node, &len);
1405         if (pw == NULL)
1406                 return;
1407
1408         wpa_printf(MSG_INFO, "- Credential/UsernamePassword/Password = %s", pw);
1409
1410         hex = malloc(len * 2 + 1);
1411         if (hex == NULL) {
1412                 free(pw);
1413                 return;
1414         }
1415         end = hex + len * 2 + 1;
1416         pos = hex;
1417         for (i = 0; i < len; i++) {
1418                 snprintf(pos, end - pos, "%02x", pw[i]);
1419                 pos += 2;
1420         }
1421         free(pw);
1422
1423         if (set_cred(ctx->ifname, id, "password", hex) < 0)
1424                 wpa_printf(MSG_INFO, "Failed to set cred password");
1425         free(hex);
1426 }
1427
1428
1429 static void set_pps_cred_machine_managed(struct hs20_osu_client *ctx, int id,
1430                                          xml_node_t *node)
1431 {
1432         char *str = xml_node_get_text(ctx->xml, node);
1433         if (str == NULL)
1434                 return;
1435         wpa_printf(MSG_INFO, "- Credential/UsernamePassword/MachineManaged = %s",
1436                    str);
1437         /* not used within wpa_supplicant */
1438         xml_node_get_text_free(ctx->xml, str);
1439 }
1440
1441
1442 static void set_pps_cred_soft_token_app(struct hs20_osu_client *ctx, int id,
1443                                         xml_node_t *node)
1444 {
1445         char *str = xml_node_get_text(ctx->xml, node);
1446         if (str == NULL)
1447                 return;
1448         wpa_printf(MSG_INFO, "- Credential/UsernamePassword/SoftTokenApp = %s",
1449                    str);
1450         /* not used within wpa_supplicant */
1451         xml_node_get_text_free(ctx->xml, str);
1452 }
1453
1454
1455 static void set_pps_cred_able_to_share(struct hs20_osu_client *ctx, int id,
1456                                        xml_node_t *node)
1457 {
1458         char *str = xml_node_get_text(ctx->xml, node);
1459         if (str == NULL)
1460                 return;
1461         wpa_printf(MSG_INFO, "- Credential/UsernamePassword/AbleToShare = %s",
1462                    str);
1463         /* not used within wpa_supplicant */
1464         xml_node_get_text_free(ctx->xml, str);
1465 }
1466
1467
1468 static void set_pps_cred_eap_method_eap_type(struct hs20_osu_client *ctx,
1469                                              int id, xml_node_t *node)
1470 {
1471         char *str = xml_node_get_text(ctx->xml, node);
1472         int type;
1473         const char *eap_method = NULL;
1474
1475         if (!str)
1476                 return;
1477         wpa_printf(MSG_INFO,
1478                    "- Credential/UsernamePassword/EAPMethod/EAPType = %s", str);
1479         type = atoi(str);
1480         switch (type) {
1481         case EAP_TYPE_TLS:
1482                 eap_method = "TLS";
1483                 break;
1484         case EAP_TYPE_TTLS:
1485                 eap_method = "TTLS";
1486                 break;
1487         case EAP_TYPE_PEAP:
1488                 eap_method = "PEAP";
1489                 break;
1490         case EAP_TYPE_PWD:
1491                 eap_method = "PWD";
1492                 break;
1493         }
1494         xml_node_get_text_free(ctx->xml, str);
1495         if (!eap_method) {
1496                 wpa_printf(MSG_INFO, "Unknown EAPType value");
1497                 return;
1498         }
1499
1500         if (set_cred(ctx->ifname, id, "eap", eap_method) < 0)
1501                 wpa_printf(MSG_INFO, "Failed to set cred eap");
1502 }
1503
1504
1505 static void set_pps_cred_eap_method_inner_method(struct hs20_osu_client *ctx,
1506                                                  int id, xml_node_t *node)
1507 {
1508         char *str = xml_node_get_text(ctx->xml, node);
1509         const char *phase2 = NULL;
1510
1511         if (!str)
1512                 return;
1513         wpa_printf(MSG_INFO,
1514                    "- Credential/UsernamePassword/EAPMethod/InnerMethod = %s",
1515                    str);
1516         if (os_strcmp(str, "PAP") == 0)
1517                 phase2 = "auth=PAP";
1518         else if (os_strcmp(str, "CHAP") == 0)
1519                 phase2 = "auth=CHAP";
1520         else if (os_strcmp(str, "MS-CHAP") == 0)
1521                 phase2 = "auth=MSCHAP";
1522         else if (os_strcmp(str, "MS-CHAP-V2") == 0)
1523                 phase2 = "auth=MSCHAPV2";
1524         xml_node_get_text_free(ctx->xml, str);
1525         if (!phase2) {
1526                 wpa_printf(MSG_INFO, "Unknown InnerMethod value");
1527                 return;
1528         }
1529
1530         if (set_cred_quoted(ctx->ifname, id, "phase2", phase2) < 0)
1531                 wpa_printf(MSG_INFO, "Failed to set cred phase2");
1532 }
1533
1534
1535 static void set_pps_cred_eap_method(struct hs20_osu_client *ctx, int id,
1536                                     xml_node_t *node)
1537 {
1538         xml_node_t *child;
1539         const char *name;
1540
1541         wpa_printf(MSG_INFO, "- Credential/UsernamePassword/EAPMethod");
1542
1543         xml_node_for_each_child(ctx->xml, child, node) {
1544                 xml_node_for_each_check(ctx->xml, child);
1545                 name = xml_node_get_localname(ctx->xml, child);
1546                 if (os_strcasecmp(name, "EAPType") == 0)
1547                         set_pps_cred_eap_method_eap_type(ctx, id, child);
1548                 else if (os_strcasecmp(name, "InnerMethod") == 0)
1549                         set_pps_cred_eap_method_inner_method(ctx, id, child);
1550                 else
1551                         wpa_printf(MSG_INFO, "Unknown Credential/UsernamePassword/EAPMethod node '%s'",
1552                                    name);
1553         }
1554 }
1555
1556
1557 static void set_pps_cred_username_password(struct hs20_osu_client *ctx, int id,
1558                                            xml_node_t *node)
1559 {
1560         xml_node_t *child;
1561         const char *name;
1562
1563         wpa_printf(MSG_INFO, "- Credential/UsernamePassword");
1564
1565         xml_node_for_each_child(ctx->xml, child, node) {
1566                 xml_node_for_each_check(ctx->xml, child);
1567                 name = xml_node_get_localname(ctx->xml, child);
1568                 if (os_strcasecmp(name, "Username") == 0)
1569                         set_pps_cred_username(ctx, id, child);
1570                 else if (os_strcasecmp(name, "Password") == 0)
1571                         set_pps_cred_password(ctx, id, child);
1572                 else if (os_strcasecmp(name, "MachineManaged") == 0)
1573                         set_pps_cred_machine_managed(ctx, id, child);
1574                 else if (os_strcasecmp(name, "SoftTokenApp") == 0)
1575                         set_pps_cred_soft_token_app(ctx, id, child);
1576                 else if (os_strcasecmp(name, "AbleToShare") == 0)
1577                         set_pps_cred_able_to_share(ctx, id, child);
1578                 else if (os_strcasecmp(name, "EAPMethod") == 0)
1579                         set_pps_cred_eap_method(ctx, id, child);
1580                 else
1581                         wpa_printf(MSG_INFO, "Unknown Credential/UsernamePassword node '%s'",
1582                                    name);
1583         }
1584 }
1585
1586
1587 static void set_pps_cred_digital_cert(struct hs20_osu_client *ctx, int id,
1588                                       xml_node_t *node, const char *fqdn)
1589 {
1590         char buf[200], dir[200];
1591
1592         wpa_printf(MSG_INFO, "- Credential/DigitalCertificate");
1593
1594         if (getcwd(dir, sizeof(dir)) == NULL)
1595                 return;
1596
1597         /* TODO: could build username from Subject of Subject AltName */
1598         if (set_cred_quoted(ctx->ifname, id, "username", "cert") < 0) {
1599                 wpa_printf(MSG_INFO, "Failed to set username");
1600         }
1601
1602         snprintf(buf, sizeof(buf), "%s/SP/%s/client-cert.pem", dir, fqdn);
1603         if (os_file_exists(buf)) {
1604                 if (set_cred_quoted(ctx->ifname, id, "client_cert", buf) < 0) {
1605                         wpa_printf(MSG_INFO, "Failed to set client_cert");
1606                 }
1607         }
1608
1609         snprintf(buf, sizeof(buf), "%s/SP/%s/client-key.pem", dir, fqdn);
1610         if (os_file_exists(buf)) {
1611                 if (set_cred_quoted(ctx->ifname, id, "private_key", buf) < 0) {
1612                         wpa_printf(MSG_INFO, "Failed to set private_key");
1613                 }
1614         }
1615 }
1616
1617
1618 static void set_pps_cred_realm(struct hs20_osu_client *ctx, int id,
1619                                xml_node_t *node, const char *fqdn, int sim)
1620 {
1621         char *str = xml_node_get_text(ctx->xml, node);
1622         char buf[200], dir[200];
1623
1624         if (str == NULL)
1625                 return;
1626
1627         wpa_printf(MSG_INFO, "- Credential/Realm = %s", str);
1628         if (set_cred_quoted(ctx->ifname, id, "realm", str) < 0)
1629                 wpa_printf(MSG_INFO, "Failed to set cred realm");
1630         xml_node_get_text_free(ctx->xml, str);
1631
1632         if (sim)
1633                 return;
1634
1635         if (getcwd(dir, sizeof(dir)) == NULL)
1636                 return;
1637         snprintf(buf, sizeof(buf), "%s/SP/%s/aaa-ca.pem", dir, fqdn);
1638         if (os_file_exists(buf)) {
1639                 if (set_cred_quoted(ctx->ifname, id, "ca_cert", buf) < 0) {
1640                         wpa_printf(MSG_INFO, "Failed to set CA cert");
1641                 }
1642         }
1643 }
1644
1645
1646 static void set_pps_cred_check_aaa_cert_status(struct hs20_osu_client *ctx,
1647                                                int id, xml_node_t *node)
1648 {
1649         char *str = xml_node_get_text(ctx->xml, node);
1650
1651         if (str == NULL)
1652                 return;
1653
1654         wpa_printf(MSG_INFO, "- Credential/CheckAAAServerCertStatus = %s", str);
1655         if (os_strcasecmp(str, "true") == 0 &&
1656             set_cred(ctx->ifname, id, "ocsp", "2") < 0)
1657                 wpa_printf(MSG_INFO, "Failed to set cred ocsp");
1658         xml_node_get_text_free(ctx->xml, str);
1659 }
1660
1661
1662 static void set_pps_cred_sim(struct hs20_osu_client *ctx, int id,
1663                              xml_node_t *sim, xml_node_t *realm)
1664 {
1665         xml_node_t *node;
1666         char *imsi, *eaptype, *str, buf[20];
1667         int type;
1668         int mnc_len = 3;
1669         size_t imsi_len;
1670
1671         node = get_node(ctx->xml, sim, "EAPType");
1672         if (node == NULL) {
1673                 wpa_printf(MSG_INFO, "No SIM/EAPType node in credential");
1674                 return;
1675         }
1676         eaptype = xml_node_get_text(ctx->xml, node);
1677         if (eaptype == NULL) {
1678                 wpa_printf(MSG_INFO, "Could not extract SIM/EAPType");
1679                 return;
1680         }
1681         wpa_printf(MSG_INFO, " - Credential/SIM/EAPType = %s", eaptype);
1682         type = atoi(eaptype);
1683         xml_node_get_text_free(ctx->xml, eaptype);
1684
1685         switch (type) {
1686         case EAP_TYPE_SIM:
1687                 if (set_cred(ctx->ifname, id, "eap", "SIM") < 0)
1688                         wpa_printf(MSG_INFO, "Could not set eap=SIM");
1689                 break;
1690         case EAP_TYPE_AKA:
1691                 if (set_cred(ctx->ifname, id, "eap", "AKA") < 0)
1692                         wpa_printf(MSG_INFO, "Could not set eap=SIM");
1693                 break;
1694         case EAP_TYPE_AKA_PRIME:
1695                 if (set_cred(ctx->ifname, id, "eap", "AKA'") < 0)
1696                         wpa_printf(MSG_INFO, "Could not set eap=SIM");
1697                 break;
1698         default:
1699                 wpa_printf(MSG_INFO, "Unsupported SIM/EAPType %d", type);
1700                 return;
1701         }
1702
1703         node = get_node(ctx->xml, sim, "IMSI");
1704         if (node == NULL) {
1705                 wpa_printf(MSG_INFO, "No SIM/IMSI node in credential");
1706                 return;
1707         }
1708         imsi = xml_node_get_text(ctx->xml, node);
1709         if (imsi == NULL) {
1710                 wpa_printf(MSG_INFO, "Could not extract SIM/IMSI");
1711                 return;
1712         }
1713         wpa_printf(MSG_INFO, " - Credential/SIM/IMSI = %s", imsi);
1714         imsi_len = os_strlen(imsi);
1715         if (imsi_len < 7 || imsi_len + 2 > sizeof(buf)) {
1716                 wpa_printf(MSG_INFO, "Invalid IMSI length");
1717                 xml_node_get_text_free(ctx->xml, imsi);
1718                 return;
1719         }
1720
1721         str = xml_node_get_text(ctx->xml, node);
1722         if (str) {
1723                 char *pos;
1724                 pos = os_strstr(str, "mnc");
1725                 if (pos && os_strlen(pos) >= 6) {
1726                         if (os_strncmp(imsi + 3, pos + 3, 3) == 0)
1727                                 mnc_len = 3;
1728                         else if (os_strncmp(imsi + 3, pos + 4, 2) == 0)
1729                                 mnc_len = 2;
1730                 }
1731                 xml_node_get_text_free(ctx->xml, str);
1732         }
1733
1734         os_memcpy(buf, imsi, 3 + mnc_len);
1735         buf[3 + mnc_len] = '-';
1736         os_strlcpy(buf + 3 + mnc_len + 1, imsi + 3 + mnc_len,
1737                    sizeof(buf) - 3 - mnc_len - 1);
1738
1739         xml_node_get_text_free(ctx->xml, imsi);
1740
1741         if (set_cred_quoted(ctx->ifname, id, "imsi", buf) < 0)
1742                 wpa_printf(MSG_INFO, "Could not set IMSI");
1743
1744         if (set_cred_quoted(ctx->ifname, id, "milenage",
1745                             "90dca4eda45b53cf0f12d7c9c3bc6a89:"
1746                             "cb9cccc4b9258e6dca4760379fb82581:000000000123") <
1747             0)
1748                 wpa_printf(MSG_INFO, "Could not set Milenage parameters");
1749 }
1750
1751
1752 static void set_pps_cred_credential(struct hs20_osu_client *ctx, int id,
1753                                     xml_node_t *node, const char *fqdn)
1754 {
1755         xml_node_t *child, *sim, *realm;
1756         const char *name;
1757
1758         wpa_printf(MSG_INFO, "- Credential");
1759
1760         sim = get_node(ctx->xml, node, "SIM");
1761         realm = get_node(ctx->xml, node, "Realm");
1762
1763         xml_node_for_each_child(ctx->xml, child, node) {
1764                 xml_node_for_each_check(ctx->xml, child);
1765                 name = xml_node_get_localname(ctx->xml, child);
1766                 if (os_strcasecmp(name, "CreationDate") == 0)
1767                         set_pps_cred_creation_date(ctx, id, child);
1768                 else if (os_strcasecmp(name, "ExpirationDate") == 0)
1769                         set_pps_cred_expiration_date(ctx, id, child);
1770                 else if (os_strcasecmp(name, "UsernamePassword") == 0)
1771                         set_pps_cred_username_password(ctx, id, child);
1772                 else if (os_strcasecmp(name, "DigitalCertificate") == 0)
1773                         set_pps_cred_digital_cert(ctx, id, child, fqdn);
1774                 else if (os_strcasecmp(name, "Realm") == 0)
1775                         set_pps_cred_realm(ctx, id, child, fqdn, sim != NULL);
1776                 else if (os_strcasecmp(name, "CheckAAAServerCertStatus") == 0)
1777                         set_pps_cred_check_aaa_cert_status(ctx, id, child);
1778                 else if (os_strcasecmp(name, "SIM") == 0)
1779                         set_pps_cred_sim(ctx, id, child, realm);
1780                 else
1781                         wpa_printf(MSG_INFO, "Unknown Credential node '%s'",
1782                                    name);
1783         }
1784 }
1785
1786
1787 static void set_pps_credential(struct hs20_osu_client *ctx, int id,
1788                                xml_node_t *cred, const char *fqdn)
1789 {
1790         xml_node_t *child;
1791         const char *name;
1792
1793         xml_node_for_each_child(ctx->xml, child, cred) {
1794                 xml_node_for_each_check(ctx->xml, child);
1795                 name = xml_node_get_localname(ctx->xml, child);
1796                 if (os_strcasecmp(name, "Policy") == 0)
1797                         set_pps_cred_policy(ctx, id, child);
1798                 else if (os_strcasecmp(name, "CredentialPriority") == 0)
1799                         set_pps_cred_priority(ctx, id, child);
1800                 else if (os_strcasecmp(name, "AAAServerTrustRoot") == 0)
1801                         set_pps_cred_aaa_server_trust_root(ctx, id, child);
1802                 else if (os_strcasecmp(name, "SubscriptionUpdate") == 0)
1803                         set_pps_cred_sub_update(ctx, id, child);
1804                 else if (os_strcasecmp(name, "HomeSP") == 0)
1805                         set_pps_cred_home_sp(ctx, id, child);
1806                 else if (os_strcasecmp(name, "SubscriptionParameters") == 0)
1807                         set_pps_cred_sub_params(ctx, id, child);
1808                 else if (os_strcasecmp(name, "Credential") == 0)
1809                         set_pps_cred_credential(ctx, id, child, fqdn);
1810                 else
1811                         wpa_printf(MSG_INFO, "Unknown credential node '%s'",
1812                                    name);
1813         }
1814 }
1815
1816
1817 static void set_pps(struct hs20_osu_client *ctx, xml_node_t *pps,
1818                     const char *fqdn)
1819 {
1820         xml_node_t *child;
1821         const char *name;
1822         int id;
1823         char *update_identifier = NULL;
1824
1825         /*
1826          * TODO: Could consider more complex mechanism that would remove
1827          * credentials only if there are changes in the information sent to
1828          * wpa_supplicant.
1829          */
1830         remove_sp_creds(ctx, fqdn);
1831
1832         xml_node_for_each_child(ctx->xml, child, pps) {
1833                 xml_node_for_each_check(ctx->xml, child);
1834                 name = xml_node_get_localname(ctx->xml, child);
1835                 if (os_strcasecmp(name, "UpdateIdentifier") == 0) {
1836                         update_identifier = xml_node_get_text(ctx->xml, child);
1837                         if (update_identifier) {
1838                                 wpa_printf(MSG_INFO, "- UpdateIdentifier = %s",
1839                                            update_identifier);
1840                                 break;
1841                         }
1842                 }
1843         }
1844
1845         xml_node_for_each_child(ctx->xml, child, pps) {
1846                 xml_node_for_each_check(ctx->xml, child);
1847                 name = xml_node_get_localname(ctx->xml, child);
1848                 if (os_strcasecmp(name, "UpdateIdentifier") == 0)
1849                         continue;
1850                 id = add_cred(ctx->ifname);
1851                 if (id < 0) {
1852                         wpa_printf(MSG_INFO, "Failed to add credential to wpa_supplicant");
1853                         write_summary(ctx, "Failed to add credential to wpa_supplicant");
1854                         break;
1855                 }
1856                 write_summary(ctx, "Add a credential to wpa_supplicant");
1857                 if (update_identifier &&
1858                     set_cred(ctx->ifname, id, "update_identifier",
1859                              update_identifier) < 0)
1860                         wpa_printf(MSG_INFO, "Failed to set update_identifier");
1861                 if (set_cred_quoted(ctx->ifname, id, "provisioning_sp", fqdn) <
1862                     0)
1863                         wpa_printf(MSG_INFO, "Failed to set provisioning_sp");
1864                 wpa_printf(MSG_INFO, "credential localname: '%s'", name);
1865                 set_pps_credential(ctx, id, child, fqdn);
1866                 ctx->pps_cred_set = 1;
1867         }
1868
1869         xml_node_get_text_free(ctx->xml, update_identifier);
1870 }
1871
1872
1873 void cmd_set_pps(struct hs20_osu_client *ctx, const char *pps_fname)
1874 {
1875         xml_node_t *pps;
1876         const char *fqdn;
1877         char *fqdn_buf = NULL, *pos;
1878
1879         pps = node_from_file(ctx->xml, pps_fname);
1880         if (pps == NULL) {
1881                 wpa_printf(MSG_INFO, "Could not read or parse '%s'", pps_fname);
1882                 return;
1883         }
1884
1885         fqdn = os_strstr(pps_fname, "SP/");
1886         if (fqdn) {
1887                 fqdn_buf = os_strdup(fqdn + 3);
1888                 if (fqdn_buf == NULL)
1889                         return;
1890                 pos = os_strchr(fqdn_buf, '/');
1891                 if (pos)
1892                         *pos = '\0';
1893                 fqdn = fqdn_buf;
1894         } else
1895                 fqdn = "wi-fi.org";
1896
1897         wpa_printf(MSG_INFO, "Set PPS MO info to wpa_supplicant - SP FQDN %s",
1898                    fqdn);
1899         set_pps(ctx, pps, fqdn);
1900
1901         os_free(fqdn_buf);
1902         xml_node_free(ctx->xml, pps);
1903 }
1904
1905
1906 static int cmd_get_fqdn(struct hs20_osu_client *ctx, const char *pps_fname)
1907 {
1908         xml_node_t *pps, *node;
1909         char *fqdn = NULL;
1910
1911         pps = node_from_file(ctx->xml, pps_fname);
1912         if (pps == NULL) {
1913                 wpa_printf(MSG_INFO, "Could not read or parse '%s'", pps_fname);
1914                 return -1;
1915         }
1916
1917         node = get_child_node(ctx->xml, pps, "HomeSP/FQDN");
1918         if (node)
1919                 fqdn = xml_node_get_text(ctx->xml, node);
1920
1921         xml_node_free(ctx->xml, pps);
1922
1923         if (fqdn) {
1924                 FILE *f = fopen("pps-fqdn", "w");
1925                 if (f) {
1926                         fprintf(f, "%s", fqdn);
1927                         fclose(f);
1928                 }
1929                 xml_node_get_text_free(ctx->xml, fqdn);
1930                 return 0;
1931         }
1932
1933         xml_node_get_text_free(ctx->xml, fqdn);
1934         return -1;
1935 }
1936
1937
1938 static void cmd_to_tnds(struct hs20_osu_client *ctx, const char *in_fname,
1939                         const char *out_fname, const char *urn, int use_path)
1940 {
1941         xml_node_t *mo, *node;
1942
1943         mo = node_from_file(ctx->xml, in_fname);
1944         if (mo == NULL) {
1945                 wpa_printf(MSG_INFO, "Could not read or parse '%s'", in_fname);
1946                 return;
1947         }
1948
1949         node = mo_to_tnds(ctx->xml, mo, use_path, urn, NULL);
1950         if (node) {
1951                 node_to_file(ctx->xml, out_fname, node);
1952                 xml_node_free(ctx->xml, node);
1953         }
1954
1955         xml_node_free(ctx->xml, mo);
1956 }
1957
1958
1959 static void cmd_from_tnds(struct hs20_osu_client *ctx, const char *in_fname,
1960                           const char *out_fname)
1961 {
1962         xml_node_t *tnds, *mo;
1963
1964         tnds = node_from_file(ctx->xml, in_fname);
1965         if (tnds == NULL) {
1966                 wpa_printf(MSG_INFO, "Could not read or parse '%s'", in_fname);
1967                 return;
1968         }
1969
1970         mo = tnds_to_mo(ctx->xml, tnds);
1971         if (mo) {
1972                 node_to_file(ctx->xml, out_fname, mo);
1973                 xml_node_free(ctx->xml, mo);
1974         }
1975
1976         xml_node_free(ctx->xml, tnds);
1977 }
1978
1979
1980 struct osu_icon {
1981         int id;
1982         char lang[4];
1983         char mime_type[256];
1984         char filename[256];
1985 };
1986
1987 struct osu_data {
1988         char bssid[20];
1989         char url[256];
1990         unsigned int methods;
1991         char osu_ssid[33];
1992         char osu_ssid2[33];
1993         char osu_nai[256];
1994         char osu_nai2[256];
1995         struct osu_lang_text friendly_name[MAX_OSU_VALS];
1996         size_t friendly_name_count;
1997         struct osu_lang_text serv_desc[MAX_OSU_VALS];
1998         size_t serv_desc_count;
1999         struct osu_icon icon[MAX_OSU_VALS];
2000         size_t icon_count;
2001 };
2002
2003
2004 static struct osu_data * parse_osu_providers(const char *fname, size_t *count)
2005 {
2006         FILE *f;
2007         char buf[1000];
2008         struct osu_data *osu = NULL, *last = NULL;
2009         size_t osu_count = 0;
2010         char *pos, *end;
2011
2012         f = fopen(fname, "r");
2013         if (f == NULL) {
2014                 wpa_printf(MSG_ERROR, "Could not open %s", fname);
2015                 return NULL;
2016         }
2017
2018         while (fgets(buf, sizeof(buf), f)) {
2019                 pos = strchr(buf, '\n');
2020                 if (pos)
2021                         *pos = '\0';
2022
2023                 if (strncmp(buf, "OSU-PROVIDER ", 13) == 0) {
2024                         last = realloc(osu, (osu_count + 1) * sizeof(*osu));
2025                         if (last == NULL)
2026                                 break;
2027                         osu = last;
2028                         last = &osu[osu_count++];
2029                         memset(last, 0, sizeof(*last));
2030                         snprintf(last->bssid, sizeof(last->bssid), "%s",
2031                                  buf + 13);
2032                         continue;
2033                 }
2034                 if (!last)
2035                         continue;
2036
2037                 if (strncmp(buf, "uri=", 4) == 0) {
2038                         snprintf(last->url, sizeof(last->url), "%s", buf + 4);
2039                         continue;
2040                 }
2041
2042                 if (strncmp(buf, "methods=", 8) == 0) {
2043                         last->methods = strtol(buf + 8, NULL, 16);
2044                         continue;
2045                 }
2046
2047                 if (strncmp(buf, "osu_ssid=", 9) == 0) {
2048                         snprintf(last->osu_ssid, sizeof(last->osu_ssid),
2049                                  "%s", buf + 9);
2050                         continue;
2051                 }
2052
2053                 if (strncmp(buf, "osu_ssid2=", 10) == 0) {
2054                         snprintf(last->osu_ssid2, sizeof(last->osu_ssid2),
2055                                  "%s", buf + 10);
2056                         continue;
2057                 }
2058
2059                 if (os_strncmp(buf, "osu_nai=", 8) == 0) {
2060                         os_snprintf(last->osu_nai, sizeof(last->osu_nai),
2061                                     "%s", buf + 8);
2062                         continue;
2063                 }
2064
2065                 if (os_strncmp(buf, "osu_nai2=", 9) == 0) {
2066                         os_snprintf(last->osu_nai2, sizeof(last->osu_nai2),
2067                                     "%s", buf + 9);
2068                         continue;
2069                 }
2070
2071                 if (strncmp(buf, "friendly_name=", 14) == 0) {
2072                         struct osu_lang_text *txt;
2073                         if (last->friendly_name_count == MAX_OSU_VALS)
2074                                 continue;
2075                         pos = strchr(buf + 14, ':');
2076                         if (pos == NULL)
2077                                 continue;
2078                         *pos++ = '\0';
2079                         txt = &last->friendly_name[last->friendly_name_count++];
2080                         snprintf(txt->lang, sizeof(txt->lang), "%s", buf + 14);
2081                         snprintf(txt->text, sizeof(txt->text), "%s", pos);
2082                 }
2083
2084                 if (strncmp(buf, "desc=", 5) == 0) {
2085                         struct osu_lang_text *txt;
2086                         if (last->serv_desc_count == MAX_OSU_VALS)
2087                                 continue;
2088                         pos = strchr(buf + 5, ':');
2089                         if (pos == NULL)
2090                                 continue;
2091                         *pos++ = '\0';
2092                         txt = &last->serv_desc[last->serv_desc_count++];
2093                         snprintf(txt->lang, sizeof(txt->lang), "%s", buf + 5);
2094                         snprintf(txt->text, sizeof(txt->text), "%s", pos);
2095                 }
2096
2097                 if (strncmp(buf, "icon=", 5) == 0) {
2098                         struct osu_icon *icon;
2099                         if (last->icon_count == MAX_OSU_VALS)
2100                                 continue;
2101                         icon = &last->icon[last->icon_count++];
2102                         icon->id = atoi(buf + 5);
2103                         pos = strchr(buf, ':');
2104                         if (pos == NULL)
2105                                 continue;
2106                         pos = strchr(pos + 1, ':');
2107                         if (pos == NULL)
2108                                 continue;
2109                         pos = strchr(pos + 1, ':');
2110                         if (pos == NULL)
2111                                 continue;
2112                         pos++;
2113                         end = strchr(pos, ':');
2114                         if (!end)
2115                                 continue;
2116                         *end = '\0';
2117                         snprintf(icon->lang, sizeof(icon->lang), "%s", pos);
2118                         pos = end + 1;
2119
2120                         end = strchr(pos, ':');
2121                         if (end)
2122                                 *end = '\0';
2123                         snprintf(icon->mime_type, sizeof(icon->mime_type),
2124                                  "%s", pos);
2125                         if (!pos)
2126                                 continue;
2127                         pos = end + 1;
2128
2129                         end = strchr(pos, ':');
2130                         if (end)
2131                                 *end = '\0';
2132                         snprintf(icon->filename, sizeof(icon->filename),
2133                                  "%s", pos);
2134                         continue;
2135                 }
2136         }
2137
2138         fclose(f);
2139
2140         *count = osu_count;
2141         return osu;
2142 }
2143
2144
2145 static int osu_connect(struct hs20_osu_client *ctx, const char *bssid,
2146                        const char *ssid, const char *ssid2, const char *url,
2147                        unsigned int methods, int no_prod_assoc,
2148                        const char *osu_nai, const char *osu_nai2)
2149 {
2150         int id;
2151         const char *ifname = ctx->ifname;
2152         char buf[200];
2153         struct wpa_ctrl *mon;
2154         int res;
2155
2156         if (ssid2 && ssid2[0] == '\0')
2157                 ssid2 = NULL;
2158
2159         if (ctx->osu_ssid) {
2160                 if (os_strcmp(ssid, ctx->osu_ssid) == 0) {
2161                         wpa_printf(MSG_DEBUG,
2162                                    "Enforced OSU SSID matches ANQP info");
2163                         ssid2 = NULL;
2164                 } else if (ssid2 && os_strcmp(ssid2, ctx->osu_ssid) == 0) {
2165                         wpa_printf(MSG_DEBUG,
2166                                    "Enforced OSU SSID matches RSN[OSEN] info");
2167                         ssid = ssid2;
2168                 } else {
2169                         wpa_printf(MSG_INFO, "Enforced OSU SSID did not match");
2170                         write_summary(ctx, "Enforced OSU SSID did not match");
2171                         return -1;
2172                 }
2173         }
2174
2175         id = add_network(ifname);
2176         if (id < 0)
2177                 return -1;
2178         if (set_network_quoted(ifname, id, "ssid", ssid) < 0)
2179                 return -1;
2180         if (ssid2)
2181                 osu_nai = osu_nai2;
2182         if (osu_nai && os_strlen(osu_nai) > 0) {
2183                 char dir[255], fname[300];
2184                 if (getcwd(dir, sizeof(dir)) == NULL)
2185                         return -1;
2186                 os_snprintf(fname, sizeof(fname), "%s/osu-ca.pem", dir);
2187
2188                 if (ssid2 && set_network_quoted(ifname, id, "ssid", ssid2) < 0)
2189                         return -1;
2190
2191                 if (set_network(ifname, id, "proto", "OSEN") < 0 ||
2192                     set_network(ifname, id, "key_mgmt", "OSEN") < 0 ||
2193                     set_network(ifname, id, "pairwise", "CCMP") < 0 ||
2194                     set_network(ifname, id, "group", "GTK_NOT_USED CCMP") < 0 ||
2195                     set_network(ifname, id, "eap", "WFA-UNAUTH-TLS") < 0 ||
2196                     set_network(ifname, id, "ocsp", "2") < 0 ||
2197                     set_network_quoted(ifname, id, "identity", osu_nai) < 0 ||
2198                     set_network_quoted(ifname, id, "ca_cert", fname) < 0)
2199                         return -1;
2200         } else if (ssid2) {
2201                 wpa_printf(MSG_INFO, "No OSU_NAI set for RSN[OSEN]");
2202                 write_summary(ctx, "No OSU_NAI set for RSN[OSEN]");
2203                 return -1;
2204         } else {
2205                 if (set_network(ifname, id, "key_mgmt", "NONE") < 0)
2206                         return -1;
2207         }
2208
2209         mon = open_wpa_mon(ifname);
2210         if (mon == NULL)
2211                 return -1;
2212
2213         wpa_printf(MSG_INFO, "Associate with OSU SSID");
2214         write_summary(ctx, "Associate with OSU SSID");
2215         snprintf(buf, sizeof(buf), "SELECT_NETWORK %d", id);
2216         if (wpa_command(ifname, buf) < 0)
2217                 return -1;
2218
2219         res = get_wpa_cli_event(mon, "CTRL-EVENT-CONNECTED",
2220                                 buf, sizeof(buf));
2221
2222         wpa_ctrl_detach(mon);
2223         wpa_ctrl_close(mon);
2224
2225         if (res < 0) {
2226                 wpa_printf(MSG_INFO, "Could not connect");
2227                 write_summary(ctx, "Could not connect to OSU network");
2228                 wpa_printf(MSG_INFO, "Remove OSU network connection");
2229                 snprintf(buf, sizeof(buf), "REMOVE_NETWORK %d", id);
2230                 wpa_command(ifname, buf);
2231                 return -1;
2232         }
2233
2234         write_summary(ctx, "Waiting for IP address for subscription registration");
2235         if (wait_ip_addr(ifname, 15) < 0) {
2236                 wpa_printf(MSG_INFO, "Could not get IP address for WLAN - try connection anyway");
2237         }
2238
2239         if (no_prod_assoc) {
2240                 if (res < 0)
2241                         return -1;
2242                 wpa_printf(MSG_INFO, "No production connection used for testing purposes");
2243                 write_summary(ctx, "No production connection used for testing purposes");
2244                 return 0;
2245         }
2246
2247         ctx->no_reconnect = 1;
2248         if (methods & 0x02) {
2249                 wpa_printf(MSG_DEBUG, "Calling cmd_prov from osu_connect");
2250                 res = cmd_prov(ctx, url);
2251         } else if (methods & 0x01) {
2252                 wpa_printf(MSG_DEBUG,
2253                            "Calling cmd_oma_dm_prov from osu_connect");
2254                 res = cmd_oma_dm_prov(ctx, url);
2255         }
2256
2257         wpa_printf(MSG_INFO, "Remove OSU network connection");
2258         write_summary(ctx, "Remove OSU network connection");
2259         snprintf(buf, sizeof(buf), "REMOVE_NETWORK %d", id);
2260         wpa_command(ifname, buf);
2261
2262         if (res < 0)
2263                 return -1;
2264
2265         wpa_printf(MSG_INFO, "Requesting reconnection with updated configuration");
2266         write_summary(ctx, "Requesting reconnection with updated configuration");
2267         if (wpa_command(ctx->ifname, "INTERWORKING_SELECT auto") < 0) {
2268                 wpa_printf(MSG_INFO, "Failed to request wpa_supplicant to reconnect");
2269                 write_summary(ctx, "Failed to request wpa_supplicant to reconnect");
2270                 return -1;
2271         }
2272
2273         return 0;
2274 }
2275
2276
2277 static int cmd_osu_select(struct hs20_osu_client *ctx, const char *dir,
2278                           int connect, int no_prod_assoc,
2279                           const char *friendly_name)
2280 {
2281         char fname[255];
2282         FILE *f;
2283         struct osu_data *osu = NULL, *last = NULL;
2284         size_t osu_count = 0, i, j;
2285         int ret;
2286
2287         write_summary(ctx, "OSU provider selection");
2288
2289         if (dir == NULL) {
2290                 wpa_printf(MSG_INFO, "Missing dir parameter to osu_select");
2291                 return -1;
2292         }
2293
2294         snprintf(fname, sizeof(fname), "%s/osu-providers.txt", dir);
2295         osu = parse_osu_providers(fname, &osu_count);
2296         if (osu == NULL) {
2297                 wpa_printf(MSG_INFO, "Could not find any OSU providers from %s",
2298                            fname);
2299                 write_result(ctx, "No OSU providers available");
2300                 return -1;
2301         }
2302
2303         if (friendly_name) {
2304                 for (i = 0; i < osu_count; i++) {
2305                         last = &osu[i];
2306                         for (j = 0; j < last->friendly_name_count; j++) {
2307                                 if (os_strcmp(last->friendly_name[j].text,
2308                                               friendly_name) == 0)
2309                                         break;
2310                         }
2311                         if (j < last->friendly_name_count)
2312                                 break;
2313                 }
2314                 if (i == osu_count) {
2315                         wpa_printf(MSG_INFO, "Requested operator friendly name '%s' not found in the list of available providers",
2316                                    friendly_name);
2317                         write_summary(ctx, "Requested operator friendly name '%s' not found in the list of available providers",
2318                                       friendly_name);
2319                         free(osu);
2320                         return -1;
2321                 }
2322
2323                 wpa_printf(MSG_INFO, "OSU Provider selected based on requested operator friendly name '%s'",
2324                            friendly_name);
2325                 write_summary(ctx, "OSU Provider selected based on requested operator friendly name '%s'",
2326                               friendly_name);
2327                 ret = i + 1;
2328                 goto selected;
2329         }
2330
2331         snprintf(fname, sizeof(fname), "%s/osu-providers.html", dir);
2332         f = fopen(fname, "w");
2333         if (f == NULL) {
2334                 wpa_printf(MSG_INFO, "Could not open %s", fname);
2335                 free(osu);
2336                 return -1;
2337         }
2338
2339         fprintf(f, "<html><head>"
2340                 "<meta http-equiv=\"Content-type\" content=\"text/html; "
2341                 "charset=utf-8\"<title>Select service operator</title>"
2342                 "</head><body><h1>Select service operator</h1>\n");
2343
2344         if (osu_count == 0)
2345                 fprintf(f, "No online signup available\n");
2346
2347         for (i = 0; i < osu_count; i++) {
2348                 last = &osu[i];
2349 #ifdef ANDROID
2350                 fprintf(f, "<p>\n"
2351                         "<a href=\"http://localhost:12345/osu/%d\">"
2352                         "<table><tr><td>", (int) i + 1);
2353 #else /* ANDROID */
2354                 fprintf(f, "<p>\n"
2355                         "<a href=\"osu://%d\">"
2356                         "<table><tr><td>", (int) i + 1);
2357 #endif /* ANDROID */
2358                 for (j = 0; j < last->icon_count; j++) {
2359                         fprintf(f, "<img src=\"osu-icon-%d.%s\">\n",
2360                                 last->icon[j].id,
2361                                 strcasecmp(last->icon[j].mime_type,
2362                                            "image/png") == 0 ? "png" : "icon");
2363                 }
2364                 fprintf(f, "<td>");
2365                 for (j = 0; j < last->friendly_name_count; j++) {
2366                         fprintf(f, "<small>[%s]</small> %s<br>\n",
2367                                 last->friendly_name[j].lang,
2368                                 last->friendly_name[j].text);
2369                 }
2370                 fprintf(f, "<tr><td colspan=2>");
2371                 for (j = 0; j < last->serv_desc_count; j++) {
2372                         fprintf(f, "<small>[%s]</small> %s<br>\n",
2373                                 last->serv_desc[j].lang,
2374                                 last->serv_desc[j].text);
2375                 }
2376                 fprintf(f, "</table></a><br><small>BSSID: %s<br>\n"
2377                         "SSID: %s<br>\n",
2378                         last->bssid, last->osu_ssid);
2379                 if (last->osu_ssid2[0])
2380                         fprintf(f, "SSID2: %s<br>\n", last->osu_ssid2);
2381                 if (last->osu_nai[0])
2382                         fprintf(f, "NAI: %s<br>\n", last->osu_nai);
2383                 if (last->osu_nai2[0])
2384                         fprintf(f, "NAI2: %s<br>\n", last->osu_nai2);
2385                 fprintf(f, "URL: %s<br>\n"
2386                         "methods:%s%s<br>\n"
2387                         "</small></p>\n",
2388                         last->url,
2389                         last->methods & 0x01 ? " OMA-DM" : "",
2390                         last->methods & 0x02 ? " SOAP-XML-SPP" : "");
2391         }
2392
2393         fprintf(f, "</body></html>\n");
2394
2395         fclose(f);
2396
2397         snprintf(fname, sizeof(fname), "file://%s/osu-providers.html", dir);
2398         write_summary(ctx, "Start web browser with OSU provider selection page");
2399         ret = hs20_web_browser(fname);
2400
2401 selected:
2402         if (ret > 0 && (size_t) ret <= osu_count) {
2403                 char *data;
2404                 size_t data_len;
2405
2406                 wpa_printf(MSG_INFO, "Selected OSU id=%d", ret);
2407                 last = &osu[ret - 1];
2408                 ret = 0;
2409                 wpa_printf(MSG_INFO, "BSSID: %s", last->bssid);
2410                 wpa_printf(MSG_INFO, "SSID: %s", last->osu_ssid);
2411                 if (last->osu_ssid2[0])
2412                         wpa_printf(MSG_INFO, "SSID2: %s", last->osu_ssid2);
2413                 wpa_printf(MSG_INFO, "URL: %s", last->url);
2414                 write_summary(ctx, "Selected OSU provider id=%d BSSID=%s SSID=%s URL=%s",
2415                               ret, last->bssid, last->osu_ssid, last->url);
2416
2417                 ctx->friendly_name_count = last->friendly_name_count;
2418                 for (j = 0; j < last->friendly_name_count; j++) {
2419                         wpa_printf(MSG_INFO, "FRIENDLY_NAME: [%s]%s",
2420                                    last->friendly_name[j].lang,
2421                                    last->friendly_name[j].text);
2422                         os_strlcpy(ctx->friendly_name[j].lang,
2423                                    last->friendly_name[j].lang,
2424                                    sizeof(ctx->friendly_name[j].lang));
2425                         os_strlcpy(ctx->friendly_name[j].text,
2426                                    last->friendly_name[j].text,
2427                                    sizeof(ctx->friendly_name[j].text));
2428                 }
2429
2430                 ctx->icon_count = last->icon_count;
2431                 for (j = 0; j < last->icon_count; j++) {
2432                         char fname[256];
2433
2434                         os_snprintf(fname, sizeof(fname), "%s/osu-icon-%d.%s",
2435                                     dir, last->icon[j].id,
2436                                     strcasecmp(last->icon[j].mime_type,
2437                                                "image/png") == 0 ?
2438                                     "png" : "icon");
2439                         wpa_printf(MSG_INFO, "ICON: %s (%s)",
2440                                    fname, last->icon[j].filename);
2441                         os_strlcpy(ctx->icon_filename[j],
2442                                    last->icon[j].filename,
2443                                    sizeof(ctx->icon_filename[j]));
2444
2445                         data = os_readfile(fname, &data_len);
2446                         if (data) {
2447                                 sha256_vector(1, (const u8 **) &data, &data_len,
2448                                               ctx->icon_hash[j]);
2449                                 os_free(data);
2450                         }
2451                 }
2452
2453                 if (connect == 2) {
2454                         if (last->methods & 0x02) {
2455                                 wpa_printf(MSG_DEBUG,
2456                                            "Calling cmd_prov from cmd_osu_select");
2457                                 ret = cmd_prov(ctx, last->url);
2458                         } else if (last->methods & 0x01) {
2459                                 wpa_printf(MSG_DEBUG,
2460                                            "Calling cmd_oma_dm_prov from cmd_osu_select");
2461                                 ret = cmd_oma_dm_prov(ctx, last->url);
2462                         } else {
2463                                 wpa_printf(MSG_DEBUG,
2464                                            "No supported OSU provisioning method");
2465                                 ret = -1;
2466                         }
2467                 } else if (connect) {
2468                         ret = osu_connect(ctx, last->bssid, last->osu_ssid,
2469                                           last->osu_ssid2,
2470                                           last->url, last->methods,
2471                                           no_prod_assoc, last->osu_nai,
2472                                           last->osu_nai2);
2473                 }
2474         } else
2475                 ret = -1;
2476
2477         free(osu);
2478
2479         return ret;
2480 }
2481
2482
2483 static int cmd_signup(struct hs20_osu_client *ctx, int no_prod_assoc,
2484                       const char *friendly_name)
2485 {
2486         char dir[255];
2487         char fname[300], buf[400];
2488         struct wpa_ctrl *mon;
2489         const char *ifname;
2490         int res;
2491
2492         ifname = ctx->ifname;
2493
2494         if (getcwd(dir, sizeof(dir)) == NULL)
2495                 return -1;
2496
2497         snprintf(fname, sizeof(fname), "%s/osu-info", dir);
2498         if (mkdir(fname, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) < 0 &&
2499             errno != EEXIST) {
2500                 wpa_printf(MSG_INFO, "mkdir(%s) failed: %s",
2501                            fname, strerror(errno));
2502                 return -1;
2503         }
2504
2505         android_update_permission(fname, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
2506
2507         snprintf(buf, sizeof(buf), "SET osu_dir %s", fname);
2508         if (wpa_command(ifname, buf) < 0) {
2509                 wpa_printf(MSG_INFO, "Failed to configure osu_dir to wpa_supplicant");
2510                 return -1;
2511         }
2512
2513         mon = open_wpa_mon(ifname);
2514         if (mon == NULL)
2515                 return -1;
2516
2517         wpa_printf(MSG_INFO, "Starting OSU fetch");
2518         write_summary(ctx, "Starting OSU provider information fetch");
2519         if (wpa_command(ifname, "FETCH_OSU") < 0) {
2520                 wpa_printf(MSG_INFO, "Could not start OSU fetch");
2521                 wpa_ctrl_detach(mon);
2522                 wpa_ctrl_close(mon);
2523                 return -1;
2524         }
2525         res = get_wpa_cli_event(mon, "OSU provider fetch completed",
2526                                 buf, sizeof(buf));
2527
2528         wpa_ctrl_detach(mon);
2529         wpa_ctrl_close(mon);
2530
2531         if (res < 0) {
2532                 wpa_printf(MSG_INFO, "OSU fetch did not complete");
2533                 write_summary(ctx, "OSU fetch did not complete");
2534                 return -1;
2535         }
2536         wpa_printf(MSG_INFO, "OSU provider fetch completed");
2537
2538         return cmd_osu_select(ctx, fname, 1, no_prod_assoc, friendly_name);
2539 }
2540
2541
2542 static int cmd_sub_rem(struct hs20_osu_client *ctx, const char *address,
2543                        const char *pps_fname, const char *ca_fname)
2544 {
2545         xml_node_t *pps, *node;
2546         char pps_fname_buf[300];
2547         char ca_fname_buf[200];
2548         char *cred_username = NULL;
2549         char *cred_password = NULL;
2550         char *sub_rem_uri = NULL;
2551         char client_cert_buf[200];
2552         char *client_cert = NULL;
2553         char client_key_buf[200];
2554         char *client_key = NULL;
2555         int spp;
2556
2557         wpa_printf(MSG_INFO, "Subscription remediation requested with Server URL: %s",
2558                    address);
2559
2560         if (!pps_fname) {
2561                 char buf[256];
2562                 wpa_printf(MSG_INFO, "Determining PPS file based on Home SP information");
2563                 if (os_strncmp(address, "fqdn=", 5) == 0) {
2564                         wpa_printf(MSG_INFO, "Use requested FQDN from command line");
2565                         os_snprintf(buf, sizeof(buf), "%s", address + 5);
2566                         address = NULL;
2567                 } else if (get_wpa_status(ctx->ifname, "provisioning_sp", buf,
2568                                           sizeof(buf)) < 0) {
2569                         wpa_printf(MSG_INFO, "Could not get provisioning Home SP FQDN from wpa_supplicant");
2570                         return -1;
2571                 }
2572                 os_free(ctx->fqdn);
2573                 ctx->fqdn = os_strdup(buf);
2574                 if (ctx->fqdn == NULL)
2575                         return -1;
2576                 wpa_printf(MSG_INFO, "Home SP FQDN for current credential: %s",
2577                            buf);
2578                 os_snprintf(pps_fname_buf, sizeof(pps_fname_buf),
2579                             "SP/%s/pps.xml", ctx->fqdn);
2580                 pps_fname = pps_fname_buf;
2581
2582                 os_snprintf(ca_fname_buf, sizeof(ca_fname_buf), "SP/%s/ca.pem",
2583                             ctx->fqdn);
2584                 ca_fname = ca_fname_buf;
2585         }
2586
2587         if (!os_file_exists(pps_fname)) {
2588                 wpa_printf(MSG_INFO, "PPS file '%s' does not exist or is not accessible",
2589                            pps_fname);
2590                 return -1;
2591         }
2592         wpa_printf(MSG_INFO, "Using PPS file: %s", pps_fname);
2593
2594         if (ca_fname && !os_file_exists(ca_fname)) {
2595                 wpa_printf(MSG_INFO, "CA file '%s' does not exist or is not accessible",
2596                            ca_fname);
2597                 return -1;
2598         }
2599         wpa_printf(MSG_INFO, "Using server trust root: %s", ca_fname);
2600         ctx->ca_fname = ca_fname;
2601
2602         pps = node_from_file(ctx->xml, pps_fname);
2603         if (pps == NULL) {
2604                 wpa_printf(MSG_INFO, "Could not read PPS MO");
2605                 return -1;
2606         }
2607
2608         if (!ctx->fqdn) {
2609                 char *tmp;
2610                 node = get_child_node(ctx->xml, pps, "HomeSP/FQDN");
2611                 if (node == NULL) {
2612                         wpa_printf(MSG_INFO, "No HomeSP/FQDN found from PPS");
2613                         return -1;
2614                 }
2615                 tmp = xml_node_get_text(ctx->xml, node);
2616                 if (tmp == NULL) {
2617                         wpa_printf(MSG_INFO, "No HomeSP/FQDN text found from PPS");
2618                         return -1;
2619                 }
2620                 ctx->fqdn = os_strdup(tmp);
2621                 xml_node_get_text_free(ctx->xml, tmp);
2622                 if (!ctx->fqdn) {
2623                         wpa_printf(MSG_INFO, "No FQDN known");
2624                         return -1;
2625                 }
2626         }
2627
2628         node = get_child_node(ctx->xml, pps,
2629                               "SubscriptionUpdate/UpdateMethod");
2630         if (node) {
2631                 char *tmp;
2632                 tmp = xml_node_get_text(ctx->xml, node);
2633                 if (tmp && os_strcasecmp(tmp, "OMA-DM-ClientInitiated") == 0)
2634                         spp = 0;
2635                 else
2636                         spp = 1;
2637         } else {
2638                 wpa_printf(MSG_INFO, "No UpdateMethod specified - assume SPP");
2639                 spp = 1;
2640         }
2641
2642         get_user_pw(ctx, pps, "SubscriptionUpdate/UsernamePassword",
2643                     &cred_username, &cred_password);
2644         if (cred_username)
2645                 wpa_printf(MSG_INFO, "Using username: %s", cred_username);
2646         if (cred_password)
2647                 wpa_printf(MSG_DEBUG, "Using password: %s", cred_password);
2648
2649         if (cred_username == NULL && cred_password == NULL &&
2650             get_child_node(ctx->xml, pps, "Credential/DigitalCertificate")) {
2651                 wpa_printf(MSG_INFO, "Using client certificate");
2652                 os_snprintf(client_cert_buf, sizeof(client_cert_buf),
2653                             "SP/%s/client-cert.pem", ctx->fqdn);
2654                 client_cert = client_cert_buf;
2655                 os_snprintf(client_key_buf, sizeof(client_key_buf),
2656                             "SP/%s/client-key.pem", ctx->fqdn);
2657                 client_key = client_key_buf;
2658                 ctx->client_cert_present = 1;
2659         }
2660
2661         node = get_child_node(ctx->xml, pps, "SubscriptionUpdate/URI");
2662         if (node) {
2663                 sub_rem_uri = xml_node_get_text(ctx->xml, node);
2664                 if (sub_rem_uri &&
2665                     (!address || os_strcmp(address, sub_rem_uri) != 0)) {
2666                         wpa_printf(MSG_INFO, "Override sub rem URI based on PPS: %s",
2667                                    sub_rem_uri);
2668                         address = sub_rem_uri;
2669                 }
2670         }
2671         if (!address) {
2672                 wpa_printf(MSG_INFO, "Server URL not known");
2673                 return -1;
2674         }
2675
2676         write_summary(ctx, "Wait for IP address for subscriptiom remediation");
2677         wpa_printf(MSG_INFO, "Wait for IP address before starting subscription remediation");
2678
2679         if (wait_ip_addr(ctx->ifname, 15) < 0) {
2680                 wpa_printf(MSG_INFO, "Could not get IP address for WLAN - try connection anyway");
2681         }
2682
2683         if (spp)
2684                 spp_sub_rem(ctx, address, pps_fname,
2685                             client_cert, client_key,
2686                             cred_username, cred_password, pps);
2687         else
2688                 oma_dm_sub_rem(ctx, address, pps_fname,
2689                                client_cert, client_key,
2690                                cred_username, cred_password, pps);
2691
2692         xml_node_get_text_free(ctx->xml, sub_rem_uri);
2693         xml_node_get_text_free(ctx->xml, cred_username);
2694         str_clear_free(cred_password);
2695         xml_node_free(ctx->xml, pps);
2696         return 0;
2697 }
2698
2699
2700 static int cmd_pol_upd(struct hs20_osu_client *ctx, const char *address,
2701                        const char *pps_fname, const char *ca_fname)
2702 {
2703         xml_node_t *pps;
2704         xml_node_t *node;
2705         char pps_fname_buf[300];
2706         char ca_fname_buf[200];
2707         char *uri = NULL;
2708         char *cred_username = NULL;
2709         char *cred_password = NULL;
2710         char client_cert_buf[200];
2711         char *client_cert = NULL;
2712         char client_key_buf[200];
2713         char *client_key = NULL;
2714         int spp;
2715
2716         wpa_printf(MSG_INFO, "Policy update requested");
2717
2718         if (!pps_fname) {
2719                 char buf[256];
2720                 wpa_printf(MSG_INFO, "Determining PPS file based on Home SP information");
2721                 if (address && os_strncmp(address, "fqdn=", 5) == 0) {
2722                         wpa_printf(MSG_INFO, "Use requested FQDN from command line");
2723                         os_snprintf(buf, sizeof(buf), "%s", address + 5);
2724                         address = NULL;
2725                 } else if (get_wpa_status(ctx->ifname, "provisioning_sp", buf,
2726                                           sizeof(buf)) < 0) {
2727                         wpa_printf(MSG_INFO, "Could not get provisioning Home SP FQDN from wpa_supplicant");
2728                         return -1;
2729                 }
2730                 os_free(ctx->fqdn);
2731                 ctx->fqdn = os_strdup(buf);
2732                 if (ctx->fqdn == NULL)
2733                         return -1;
2734                 wpa_printf(MSG_INFO, "Home SP FQDN for current credential: %s",
2735                            buf);
2736                 os_snprintf(pps_fname_buf, sizeof(pps_fname_buf),
2737                             "SP/%s/pps.xml", ctx->fqdn);
2738                 pps_fname = pps_fname_buf;
2739
2740                 os_snprintf(ca_fname_buf, sizeof(ca_fname_buf), "SP/%s/ca.pem",
2741                             buf);
2742                 ca_fname = ca_fname_buf;
2743         }
2744
2745         if (!os_file_exists(pps_fname)) {
2746                 wpa_printf(MSG_INFO, "PPS file '%s' does not exist or is not accessible",
2747                            pps_fname);
2748                 return -1;
2749         }
2750         wpa_printf(MSG_INFO, "Using PPS file: %s", pps_fname);
2751
2752         if (ca_fname && !os_file_exists(ca_fname)) {
2753                 wpa_printf(MSG_INFO, "CA file '%s' does not exist or is not accessible",
2754                            ca_fname);
2755                 return -1;
2756         }
2757         wpa_printf(MSG_INFO, "Using server trust root: %s", ca_fname);
2758         ctx->ca_fname = ca_fname;
2759
2760         pps = node_from_file(ctx->xml, pps_fname);
2761         if (pps == NULL) {
2762                 wpa_printf(MSG_INFO, "Could not read PPS MO");
2763                 return -1;
2764         }
2765
2766         if (!ctx->fqdn) {
2767                 char *tmp;
2768                 node = get_child_node(ctx->xml, pps, "HomeSP/FQDN");
2769                 if (node == NULL) {
2770                         wpa_printf(MSG_INFO, "No HomeSP/FQDN found from PPS");
2771                         return -1;
2772                 }
2773                 tmp = xml_node_get_text(ctx->xml, node);
2774                 if (tmp == NULL) {
2775                         wpa_printf(MSG_INFO, "No HomeSP/FQDN text found from PPS");
2776                         return -1;
2777                 }
2778                 ctx->fqdn = os_strdup(tmp);
2779                 xml_node_get_text_free(ctx->xml, tmp);
2780                 if (!ctx->fqdn) {
2781                         wpa_printf(MSG_INFO, "No FQDN known");
2782                         return -1;
2783                 }
2784         }
2785
2786         node = get_child_node(ctx->xml, pps,
2787                               "Policy/PolicyUpdate/UpdateMethod");
2788         if (node) {
2789                 char *tmp;
2790                 tmp = xml_node_get_text(ctx->xml, node);
2791                 if (tmp && os_strcasecmp(tmp, "OMA-DM-ClientInitiated") == 0)
2792                         spp = 0;
2793                 else
2794                         spp = 1;
2795         } else {
2796                 wpa_printf(MSG_INFO, "No UpdateMethod specified - assume SPP");
2797                 spp = 1;
2798         }
2799
2800         get_user_pw(ctx, pps, "Policy/PolicyUpdate/UsernamePassword",
2801                     &cred_username, &cred_password);
2802         if (cred_username)
2803                 wpa_printf(MSG_INFO, "Using username: %s", cred_username);
2804         if (cred_password)
2805                 wpa_printf(MSG_DEBUG, "Using password: %s", cred_password);
2806
2807         if (cred_username == NULL && cred_password == NULL &&
2808             get_child_node(ctx->xml, pps, "Credential/DigitalCertificate")) {
2809                 wpa_printf(MSG_INFO, "Using client certificate");
2810                 os_snprintf(client_cert_buf, sizeof(client_cert_buf),
2811                             "SP/%s/client-cert.pem", ctx->fqdn);
2812                 client_cert = client_cert_buf;
2813                 os_snprintf(client_key_buf, sizeof(client_key_buf),
2814                             "SP/%s/client-key.pem", ctx->fqdn);
2815                 client_key = client_key_buf;
2816         }
2817
2818         if (!address) {
2819                 node = get_child_node(ctx->xml, pps, "Policy/PolicyUpdate/URI");
2820                 if (node) {
2821                         uri = xml_node_get_text(ctx->xml, node);
2822                         wpa_printf(MSG_INFO, "URI based on PPS: %s", uri);
2823                         address = uri;
2824                 }
2825         }
2826         if (!address) {
2827                 wpa_printf(MSG_INFO, "Server URL not known");
2828                 return -1;
2829         }
2830
2831         if (spp)
2832                 spp_pol_upd(ctx, address, pps_fname,
2833                             client_cert, client_key,
2834                             cred_username, cred_password, pps);
2835         else
2836                 oma_dm_pol_upd(ctx, address, pps_fname,
2837                                client_cert, client_key,
2838                                cred_username, cred_password, pps);
2839
2840         xml_node_get_text_free(ctx->xml, uri);
2841         xml_node_get_text_free(ctx->xml, cred_username);
2842         str_clear_free(cred_password);
2843         xml_node_free(ctx->xml, pps);
2844
2845         return 0;
2846 }
2847
2848
2849 static char * get_hostname(const char *url)
2850 {
2851         const char *pos, *end, *end2;
2852         char *ret;
2853
2854         if (url == NULL)
2855                 return NULL;
2856
2857         pos = os_strchr(url, '/');
2858         if (pos == NULL)
2859                 return NULL;
2860         pos++;
2861         if (*pos != '/')
2862                 return NULL;
2863         pos++;
2864
2865         end = os_strchr(pos, '/');
2866         end2 = os_strchr(pos, ':');
2867         if ((end && end2 && end2 < end) || (!end && end2))
2868                 end = end2;
2869         if (end)
2870                 end--;
2871         else {
2872                 end = pos;
2873                 while (*end)
2874                         end++;
2875                 if (end > pos)
2876                         end--;
2877         }
2878
2879         ret = os_malloc(end - pos + 2);
2880         if (ret == NULL)
2881                 return NULL;
2882
2883         os_memcpy(ret, pos, end - pos + 1);
2884         ret[end - pos + 1] = '\0';
2885
2886         return ret;
2887 }
2888
2889
2890 static int osu_cert_cb(void *_ctx, struct http_cert *cert)
2891 {
2892         struct hs20_osu_client *ctx = _ctx;
2893         unsigned int i, j;
2894         int found;
2895         char *host = NULL;
2896
2897         wpa_printf(MSG_INFO, "osu_cert_cb(osu_cert_validation=%d, url=%s)",
2898                    !ctx->no_osu_cert_validation, ctx->server_url);
2899
2900         host = get_hostname(ctx->server_url);
2901
2902         for (i = 0; i < ctx->server_dnsname_count; i++)
2903                 os_free(ctx->server_dnsname[i]);
2904         os_free(ctx->server_dnsname);
2905         ctx->server_dnsname = os_calloc(cert->num_dnsname, sizeof(char *));
2906         ctx->server_dnsname_count = 0;
2907
2908         found = 0;
2909         for (i = 0; i < cert->num_dnsname; i++) {
2910                 if (ctx->server_dnsname) {
2911                         ctx->server_dnsname[ctx->server_dnsname_count] =
2912                                 os_strdup(cert->dnsname[i]);
2913                         if (ctx->server_dnsname[ctx->server_dnsname_count])
2914                                 ctx->server_dnsname_count++;
2915                 }
2916                 if (host && os_strcasecmp(host, cert->dnsname[i]) == 0)
2917                         found = 1;
2918                 wpa_printf(MSG_INFO, "dNSName '%s'", cert->dnsname[i]);
2919         }
2920
2921         if (host && !found) {
2922                 wpa_printf(MSG_INFO, "Server name from URL (%s) did not match any dNSName - abort connection",
2923                            host);
2924                 write_result(ctx, "Server name from URL (%s) did not match any dNSName - abort connection",
2925                              host);
2926                 os_free(host);
2927                 return -1;
2928         }
2929
2930         os_free(host);
2931
2932         for (i = 0; i < cert->num_othername; i++) {
2933                 if (os_strcmp(cert->othername[i].oid,
2934                               "1.3.6.1.4.1.40808.1.1.1") == 0) {
2935                         wpa_hexdump_ascii(MSG_INFO,
2936                                           "id-wfa-hotspot-friendlyName",
2937                                           cert->othername[i].data,
2938                                           cert->othername[i].len);
2939                 }
2940         }
2941
2942         for (j = 0; !ctx->no_osu_cert_validation &&
2943                      j < ctx->friendly_name_count; j++) {
2944                 int found = 0;
2945                 for (i = 0; i < cert->num_othername; i++) {
2946                         if (os_strcmp(cert->othername[i].oid,
2947                                       "1.3.6.1.4.1.40808.1.1.1") != 0)
2948                                 continue;
2949                         if (cert->othername[i].len < 3)
2950                                 continue;
2951                         if (os_strncasecmp((char *) cert->othername[i].data,
2952                                            ctx->friendly_name[j].lang, 3) != 0)
2953                                 continue;
2954                         if (os_strncmp((char *) cert->othername[i].data + 3,
2955                                        ctx->friendly_name[j].text,
2956                                        cert->othername[i].len - 3) == 0) {
2957                                 found = 1;
2958                                 break;
2959                         }
2960                 }
2961
2962                 if (!found) {
2963                         wpa_printf(MSG_INFO, "No friendly name match found for '[%s]%s'",
2964                                    ctx->friendly_name[j].lang,
2965                                    ctx->friendly_name[j].text);
2966                         write_result(ctx, "No friendly name match found for '[%s]%s'",
2967                                      ctx->friendly_name[j].lang,
2968                                      ctx->friendly_name[j].text);
2969                         return -1;
2970                 }
2971         }
2972
2973         for (i = 0; i < cert->num_logo; i++) {
2974                 struct http_logo *logo = &cert->logo[i];
2975
2976                 wpa_printf(MSG_INFO, "logo hash alg %s uri '%s'",
2977                            logo->alg_oid, logo->uri);
2978                 wpa_hexdump_ascii(MSG_INFO, "hashValue",
2979                                   logo->hash, logo->hash_len);
2980         }
2981
2982         for (j = 0; !ctx->no_osu_cert_validation && j < ctx->icon_count; j++) {
2983                 int found = 0;
2984                 char *name = ctx->icon_filename[j];
2985                 size_t name_len = os_strlen(name);
2986
2987                 wpa_printf(MSG_INFO,
2988                            "[%i] Looking for icon file name '%s' match",
2989                            j, name);
2990                 for (i = 0; i < cert->num_logo; i++) {
2991                         struct http_logo *logo = &cert->logo[i];
2992                         size_t uri_len = os_strlen(logo->uri);
2993                         char *pos;
2994
2995                         wpa_printf(MSG_INFO,
2996                                    "[%i] Comparing to '%s' uri_len=%d name_len=%d",
2997                                    i, logo->uri, (int) uri_len, (int) name_len);
2998                         if (uri_len < 1 + name_len) {
2999                                 wpa_printf(MSG_INFO, "URI Length is too short");
3000                                 continue;
3001                         }
3002                         pos = &logo->uri[uri_len - name_len - 1];
3003                         if (*pos != '/')
3004                                 continue;
3005                         pos++;
3006                         if (os_strcmp(pos, name) == 0) {
3007                                 found = 1;
3008                                 break;
3009                         }
3010                 }
3011
3012                 if (!found) {
3013                         wpa_printf(MSG_INFO, "No icon filename match found for '%s'",
3014                                    name);
3015                         write_result(ctx,
3016                                      "No icon filename match found for '%s'",
3017                                      name);
3018                         return -1;
3019                 }
3020         }
3021
3022         for (j = 0; !ctx->no_osu_cert_validation && j < ctx->icon_count; j++) {
3023                 int found = 0;
3024
3025                 for (i = 0; i < cert->num_logo; i++) {
3026                         struct http_logo *logo = &cert->logo[i];
3027
3028                         if (logo->hash_len != 32) {
3029                                 wpa_printf(MSG_INFO,
3030                                            "[%i][%i] Icon hash length invalid (should be 32): %d",
3031                                            j, i, (int) logo->hash_len);
3032                                 continue;
3033                         }
3034                         if (os_memcmp(logo->hash, ctx->icon_hash[j], 32) == 0) {
3035                                 found = 1;
3036                                 break;
3037                         }
3038
3039                         wpa_printf(MSG_DEBUG,
3040                                    "[%u][%u] Icon hash did not match", j, i);
3041                         wpa_hexdump_ascii(MSG_DEBUG, "logo->hash",
3042                                           logo->hash, 32);
3043                         wpa_hexdump_ascii(MSG_DEBUG, "ctx->icon_hash[j]",
3044                                           ctx->icon_hash[j], 32);
3045                 }
3046
3047                 if (!found) {
3048                         wpa_printf(MSG_INFO,
3049                                    "No icon hash match (by hash) found");
3050                         write_result(ctx,
3051                                      "No icon hash match (by hash) found");
3052                         return -1;
3053                 }
3054         }
3055
3056         return 0;
3057 }
3058
3059
3060 static int init_ctx(struct hs20_osu_client *ctx)
3061 {
3062         xml_node_t *devinfo, *devid;
3063
3064         os_memset(ctx, 0, sizeof(*ctx));
3065         ctx->ifname = "wlan0";
3066         ctx->xml = xml_node_init_ctx(ctx, NULL);
3067         if (ctx->xml == NULL)
3068                 return -1;
3069
3070         devinfo = node_from_file(ctx->xml, "devinfo.xml");
3071         if (devinfo) {
3072                 devid = get_node(ctx->xml, devinfo, "DevId");
3073                 if (devid) {
3074                         char *tmp = xml_node_get_text(ctx->xml, devid);
3075
3076                         if (tmp) {
3077                                 ctx->devid = os_strdup(tmp);
3078                                 xml_node_get_text_free(ctx->xml, tmp);
3079                         }
3080                 }
3081                 xml_node_free(ctx->xml, devinfo);
3082         }
3083
3084         ctx->http = http_init_ctx(ctx, ctx->xml);
3085         if (ctx->http == NULL) {
3086                 xml_node_deinit_ctx(ctx->xml);
3087                 return -1;
3088         }
3089         http_ocsp_set(ctx->http, 2);
3090         http_set_cert_cb(ctx->http, osu_cert_cb, ctx);
3091
3092         return 0;
3093 }
3094
3095
3096 static void deinit_ctx(struct hs20_osu_client *ctx)
3097 {
3098         size_t i;
3099
3100         http_deinit_ctx(ctx->http);
3101         xml_node_deinit_ctx(ctx->xml);
3102         os_free(ctx->fqdn);
3103         os_free(ctx->server_url);
3104         os_free(ctx->devid);
3105
3106         for (i = 0; i < ctx->server_dnsname_count; i++)
3107                 os_free(ctx->server_dnsname[i]);
3108         os_free(ctx->server_dnsname);
3109 }
3110
3111
3112 static void check_workarounds(struct hs20_osu_client *ctx)
3113 {
3114         FILE *f;
3115         char buf[100];
3116         unsigned long int val = 0;
3117
3118         f = fopen("hs20-osu-client.workarounds", "r");
3119         if (f == NULL)
3120                 return;
3121
3122         if (fgets(buf, sizeof(buf), f))
3123                 val = strtoul(buf, NULL, 16);
3124
3125         fclose(f);
3126
3127         if (val) {
3128                 wpa_printf(MSG_INFO, "Workarounds enabled: 0x%lx", val);
3129                 ctx->workarounds = val;
3130                 if (ctx->workarounds & WORKAROUND_OCSP_OPTIONAL)
3131                         http_ocsp_set(ctx->http, 1);
3132         }
3133 }
3134
3135
3136 static void usage(void)
3137 {
3138         printf("usage: hs20-osu-client [-dddqqKt] [-S<station ifname>] \\\n"
3139                "    [-w<wpa_supplicant ctrl_iface dir>] "
3140                "[-r<result file>] [-f<debug file>] \\\n"
3141                "    [-s<summary file>] \\\n"
3142                "    [-x<spp.xsd file name>] \\\n"
3143                "    <command> [arguments..]\n"
3144                "commands:\n"
3145                "- to_tnds <XML MO> <XML MO in TNDS format> [URN]\n"
3146                "- to_tnds2 <XML MO> <XML MO in TNDS format (Path) "
3147                "[URN]>\n"
3148                "- from_tnds <XML MO in TNDS format> <XML MO>\n"
3149                "- set_pps <PerProviderSubscription XML file name>\n"
3150                "- get_fqdn <PerProviderSubscription XML file name>\n"
3151                "- pol_upd [Server URL] [PPS] [CA cert]\n"
3152                "- sub_rem <Server URL> [PPS] [CA cert]\n"
3153                "- prov <Server URL> [CA cert]\n"
3154                "- oma_dm_prov <Server URL> [CA cert]\n"
3155                "- sim_prov <Server URL> [CA cert]\n"
3156                "- oma_dm_sim_prov <Server URL> [CA cert]\n"
3157                "- signup [CA cert]\n"
3158                "- dl_osu_ca <PPS> <CA file>\n"
3159                "- dl_polupd_ca <PPS> <CA file>\n"
3160                "- dl_aaa_ca <PPS> <CA file>\n"
3161                "- browser <URL>\n"
3162                "- parse_cert <X.509 certificate (DER)>\n"
3163                "- osu_select <OSU info directory> [CA cert]\n");
3164 }
3165
3166
3167 int main(int argc, char *argv[])
3168 {
3169         struct hs20_osu_client ctx;
3170         int c;
3171         int ret = 0;
3172         int no_prod_assoc = 0;
3173         const char *friendly_name = NULL;
3174         const char *wpa_debug_file_path = NULL;
3175         extern char *wpas_ctrl_path;
3176         extern int wpa_debug_level;
3177         extern int wpa_debug_show_keys;
3178         extern int wpa_debug_timestamp;
3179
3180         if (init_ctx(&ctx) < 0)
3181                 return -1;
3182
3183         for (;;) {
3184                 c = getopt(argc, argv, "df:hKNo:O:qr:s:S:tw:x:");
3185                 if (c < 0)
3186                         break;
3187                 switch (c) {
3188                 case 'd':
3189                         if (wpa_debug_level > 0)
3190                                 wpa_debug_level--;
3191                         break;
3192                 case 'f':
3193                         wpa_debug_file_path = optarg;
3194                         break;
3195                 case 'K':
3196                         wpa_debug_show_keys++;
3197                         break;
3198                 case 'N':
3199                         no_prod_assoc = 1;
3200                         break;
3201                 case 'o':
3202                         ctx.osu_ssid = optarg;
3203                         break;
3204                 case 'O':
3205                         friendly_name = optarg;
3206                         break;
3207                 case 'q':
3208                         wpa_debug_level++;
3209                         break;
3210                 case 'r':
3211                         ctx.result_file = optarg;
3212                         break;
3213                 case 's':
3214                         ctx.summary_file = optarg;
3215                         break;
3216                 case 'S':
3217                         ctx.ifname = optarg;
3218                         break;
3219                 case 't':
3220                         wpa_debug_timestamp++;
3221                         break;
3222                 case 'w':
3223                         wpas_ctrl_path = optarg;
3224                         break;
3225                 case 'x':
3226                         spp_xsd_fname = optarg;
3227                         break;
3228                 case 'h':
3229                 default:
3230                         usage();
3231                         exit(0);
3232                         break;
3233                 }
3234         }
3235
3236         if (argc - optind < 1) {
3237                 usage();
3238                 exit(0);
3239         }
3240
3241         wpa_debug_open_file(wpa_debug_file_path);
3242
3243 #ifdef __linux__
3244         setlinebuf(stdout);
3245 #endif /* __linux__ */
3246
3247         if (ctx.result_file)
3248                 unlink(ctx.result_file);
3249         wpa_printf(MSG_DEBUG, "===[hs20-osu-client START - command: %s ]======"
3250                    "================", argv[optind]);
3251         check_workarounds(&ctx);
3252
3253         if (strcmp(argv[optind], "to_tnds") == 0) {
3254                 if (argc - optind < 2) {
3255                         usage();
3256                         exit(0);
3257                 }
3258                 cmd_to_tnds(&ctx, argv[optind + 1], argv[optind + 2],
3259                             argc > optind + 3 ? argv[optind + 3] : NULL,
3260                             0);
3261         } else if (strcmp(argv[optind], "to_tnds2") == 0) {
3262                 if (argc - optind < 2) {
3263                         usage();
3264                         exit(0);
3265                 }
3266                 cmd_to_tnds(&ctx, argv[optind + 1], argv[optind + 2],
3267                             argc > optind + 3 ? argv[optind + 3] : NULL,
3268                             1);
3269         } else if (strcmp(argv[optind], "from_tnds") == 0) {
3270                 if (argc - optind < 2) {
3271                         usage();
3272                         exit(0);
3273                 }
3274                 cmd_from_tnds(&ctx, argv[optind + 1], argv[optind + 2]);
3275         } else if (strcmp(argv[optind], "sub_rem") == 0) {
3276                 if (argc - optind < 2) {
3277                         usage();
3278                         exit(0);
3279                 }
3280                 ret = cmd_sub_rem(&ctx, argv[optind + 1],
3281                                   argc > optind + 2 ? argv[optind + 2] : NULL,
3282                                   argc > optind + 3 ? argv[optind + 3] : NULL);
3283         } else if (strcmp(argv[optind], "pol_upd") == 0) {
3284                 ret = cmd_pol_upd(&ctx,
3285                                   argc > optind + 1 ? argv[optind + 1] : NULL,
3286                                   argc > optind + 2 ? argv[optind + 2] : NULL,
3287                                   argc > optind + 3 ? argv[optind + 3] : NULL);
3288         } else if (strcmp(argv[optind], "prov") == 0) {
3289                 if (argc - optind < 2) {
3290                         usage();
3291                         exit(0);
3292                 }
3293                 ctx.ca_fname = argv[optind + 2];
3294                 wpa_printf(MSG_DEBUG, "Calling cmd_prov from main");
3295                 cmd_prov(&ctx, argv[optind + 1]);
3296         } else if (strcmp(argv[optind], "sim_prov") == 0) {
3297                 if (argc - optind < 2) {
3298                         usage();
3299                         exit(0);
3300                 }
3301                 ctx.ca_fname = argv[optind + 2];
3302                 cmd_sim_prov(&ctx, argv[optind + 1]);
3303         } else if (strcmp(argv[optind], "dl_osu_ca") == 0) {
3304                 if (argc - optind < 2) {
3305                         usage();
3306                         exit(0);
3307                 }
3308                 cmd_dl_osu_ca(&ctx, argv[optind + 1], argv[optind + 2]);
3309         } else if (strcmp(argv[optind], "dl_polupd_ca") == 0) {
3310                 if (argc - optind < 2) {
3311                         usage();
3312                         exit(0);
3313                 }
3314                 cmd_dl_polupd_ca(&ctx, argv[optind + 1], argv[optind + 2]);
3315         } else if (strcmp(argv[optind], "dl_aaa_ca") == 0) {
3316                 if (argc - optind < 2) {
3317                         usage();
3318                         exit(0);
3319                 }
3320                 cmd_dl_aaa_ca(&ctx, argv[optind + 1], argv[optind + 2]);
3321         } else if (strcmp(argv[optind], "osu_select") == 0) {
3322                 if (argc - optind < 2) {
3323                         usage();
3324                         exit(0);
3325                 }
3326                 ctx.ca_fname = argc > optind + 2 ? argv[optind + 2] : NULL;
3327                 cmd_osu_select(&ctx, argv[optind + 1], 2, 1, NULL);
3328         } else if (strcmp(argv[optind], "signup") == 0) {
3329                 ctx.ca_fname = argc > optind + 1 ? argv[optind + 1] : NULL;
3330                 ret = cmd_signup(&ctx, no_prod_assoc, friendly_name);
3331         } else if (strcmp(argv[optind], "set_pps") == 0) {
3332                 if (argc - optind < 2) {
3333                         usage();
3334                         exit(0);
3335                 }
3336                 cmd_set_pps(&ctx, argv[optind + 1]);
3337         } else if (strcmp(argv[optind], "get_fqdn") == 0) {
3338                 if (argc - optind < 1) {
3339                         usage();
3340                         exit(0);
3341                 }
3342                 ret = cmd_get_fqdn(&ctx, argv[optind + 1]);
3343         } else if (strcmp(argv[optind], "oma_dm_prov") == 0) {
3344                 if (argc - optind < 2) {
3345                         usage();
3346                         exit(0);
3347                 }
3348                 ctx.ca_fname = argv[optind + 2];
3349                 cmd_oma_dm_prov(&ctx, argv[optind + 1]);
3350         } else if (strcmp(argv[optind], "oma_dm_sim_prov") == 0) {
3351                 if (argc - optind < 2) {
3352                         usage();
3353                         exit(0);
3354                 }
3355                 ctx.ca_fname = argv[optind + 2];
3356                 if (cmd_oma_dm_sim_prov(&ctx, argv[optind + 1]) < 0) {
3357                         write_summary(&ctx, "Failed to complete OMA DM SIM provisioning");
3358                         return -1;
3359                 }
3360         } else if (strcmp(argv[optind], "oma_dm_add") == 0) {
3361                 if (argc - optind < 2) {
3362                         usage();
3363                         exit(0);
3364                 }
3365                 cmd_oma_dm_add(&ctx, argv[optind + 1], argv[optind + 2]);
3366         } else if (strcmp(argv[optind], "oma_dm_replace") == 0) {
3367                 if (argc - optind < 2) {
3368                         usage();
3369                         exit(0);
3370                 }
3371                 cmd_oma_dm_replace(&ctx, argv[optind + 1], argv[optind + 2]);
3372         } else if (strcmp(argv[optind], "est_csr") == 0) {
3373                 if (argc - optind < 2) {
3374                         usage();
3375                         exit(0);
3376                 }
3377                 mkdir("Cert", S_IRWXU);
3378                 est_build_csr(&ctx, argv[optind + 1]);
3379         } else if (strcmp(argv[optind], "browser") == 0) {
3380                 int ret;
3381
3382                 if (argc - optind < 2) {
3383                         usage();
3384                         exit(0);
3385                 }
3386
3387                 wpa_printf(MSG_INFO, "Launch web browser to URL %s",
3388                            argv[optind + 1]);
3389                 ret = hs20_web_browser(argv[optind + 1]);
3390                 wpa_printf(MSG_INFO, "Web browser result: %d", ret);
3391         } else if (strcmp(argv[optind], "parse_cert") == 0) {
3392                 if (argc - optind < 2) {
3393                         usage();
3394                         exit(0);
3395                 }
3396
3397                 wpa_debug_level = MSG_MSGDUMP;
3398                 http_parse_x509_certificate(ctx.http, argv[optind + 1]);
3399                 wpa_debug_level = MSG_INFO;
3400         } else {
3401                 wpa_printf(MSG_INFO, "Unknown command '%s'", argv[optind]);
3402         }
3403
3404         deinit_ctx(&ctx);
3405         wpa_printf(MSG_DEBUG,
3406                    "===[hs20-osu-client END ]======================");
3407
3408         wpa_debug_close_file();
3409
3410         return ret;
3411 }