mech_eap/util_name.c

   1 /*
   2  * Copyright (c) 2011, JANET(UK)
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * 3. Neither the name of JANET(UK) nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32 /*
  33  * Portions Copyright 2009 by the Massachusetts Institute of Technology.
  34  * All Rights Reserved.
  35  *
  36  * Export of this software from the United States of America may
  37  *   require a specific license from the United States Government.
  38  *   It is the responsibility of any person or organization contemplating
  39  *   export to obtain such a license before exporting.
  40  *
  41  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
  42  * distribute this software and its documentation for any purpose and
  43  * without fee is hereby granted, provided that the above copyright
  44  * notice appear in all copies and that both that copyright notice and
  45  * this permission notice appear in supporting documentation, and that
  46  * the name of M.I.T. not be used in advertising or publicity pertaining
  47  * to distribution of the software without specific, written prior
  48  * permission.  Furthermore if you modify this software you must label
  49  * your software as modified software and not distribute it in such a
  50  * fashion that it might be confused with the original M.I.T. software.
  51  * M.I.T. makes no representations about the suitability of
  52  * this software for any purpose.  It is provided "as is" without express
  53  * or implied warranty.
  54  */
  55
  56 /*
  57  * Name utility routines.
  58  */
  59
  60 #include "gssapiP_eap.h"
  61
  62 static gss_OID_desc gssEapNtPrincipalName = {
  63     /* 1.3.6.1.4.1.5322.22.2.1  */
  64     10, "\x2B\x06\x01\x04\x01\xA9\x4A\x16\x02\x01"
  65 };
  66
  67 gss_OID GSS_EAP_NT_PRINCIPAL_NAME = &gssEapNtPrincipalName;
  68
  69 OM_uint32
  70 gssEapAllocName(OM_uint32 *minor, gss_name_t *pName)
  71 {
  72     OM_uint32 tmpMinor;
  73     gss_name_t name;
  74
  75     *pName = GSS_C_NO_NAME;
  76
  77     name = (gss_name_t)GSSEAP_CALLOC(1, sizeof(*name));
  78     if (name == NULL) {
  79         *minor = ENOMEM;
  80         return GSS_S_FAILURE;
  81     }
  82
  83     if (GSSEAP_MUTEX_INIT(&name->mutex) != 0) {
  84         *minor = errno;
  85         gssEapReleaseName(&tmpMinor, &name);
  86         return GSS_S_FAILURE;
  87     }
  88
  89     *pName = name;
  90
  91     return GSS_S_COMPLETE;
  92 }
  93
  94 OM_uint32
  95 gssEapReleaseName(OM_uint32 *minor, gss_name_t *pName)
  96 {
  97     gss_name_t name;
  98     krb5_context krbContext = NULL;
  99     OM_uint32 tmpMinor;
 100
 101     *minor = 0;
 102
 103     if (pName == NULL) {
 104         return GSS_S_COMPLETE;
 105     }
 106
 107     name = *pName;
 108     if (name == GSS_C_NO_NAME) {
 109         return GSS_S_COMPLETE;
 110     }
 111
 112     GSSEAP_KRB_INIT(&krbContext);
 113     krb5_free_principal(krbContext, name->krbPrincipal);
 114     gssEapReleaseOid(&tmpMinor, &name->mechanismUsed);
 115
 116     gssEapReleaseAttrContext(&tmpMinor, name);
 117
 118     GSSEAP_MUTEX_DESTROY(&name->mutex);
 119     GSSEAP_FREE(name);
 120     *pName = NULL;
 121
 122     return GSS_S_COMPLETE;
 123 }
 124
 125 static OM_uint32
 126 krbPrincipalToName(OM_uint32 *minor,
 127                    krb5_principal *principal,
 128                    gss_name_t *pName)
 129 {
 130     OM_uint32 major;
 131     gss_name_t name;
 132
 133     major = gssEapAllocName(minor, &name);
 134     if (GSS_ERROR(major))
 135         return major;
 136
 137     name->krbPrincipal = *principal;
 138     *principal = NULL;
 139
 140     if (KRB_PRINC_LENGTH(name->krbPrincipal) > 1) {
 141         name->flags |= NAME_FLAG_SERVICE;
 142     } else {
 143         name->flags |= NAME_FLAG_NAI;
 144     }
 145
 146     *pName = name;
 147     *minor = 0;
 148
 149     return GSS_S_COMPLETE;
 150 }
 151
 152 static OM_uint32
 153 importServiceName(OM_uint32 *minor,
 154                   const gss_buffer_t nameBuffer,
 155                   gss_name_t *pName)
 156 {
 157     OM_uint32 major;
 158     krb5_context krbContext;
 159     krb5_principal krbPrinc;
 160     char *service, *host;
 161
 162     GSSEAP_KRB_INIT(&krbContext);
 163
 164     major = bufferToString(minor, nameBuffer, &service);
 165     if (GSS_ERROR(major))
 166         return major;
 167
 168     host = strchr(service, '@');
 169     if (host != NULL) {
 170         *host = '\0';
 171         host++;
 172     }
 173
 174     /* XXX this is probably NOT what we want to be doing */
 175     if (krb5_sname_to_principal(krbContext, host, service,
 176                                 KRB5_NT_SRV_HST, &krbPrinc) != 0) {
 177         GSSEAP_FREE(service);
 178         *minor = GSSEAP_BAD_SERVICE_NAME;
 179         return GSS_S_FAILURE;
 180     }
 181
 182     major = krbPrincipalToName(minor, &krbPrinc, pName);
 183     if (GSS_ERROR(major)) {
 184         krb5_free_principal(krbContext, krbPrinc);
 185     }
 186
 187     GSSEAP_FREE(service);
 188     return major;
 189 }
 190
 191 static OM_uint32
 192 importUserName(OM_uint32 *minor,
 193                const gss_buffer_t nameBuffer,
 194                gss_name_t *pName)
 195 {
 196     OM_uint32 major;
 197     krb5_context krbContext;
 198     krb5_principal krbPrinc;
 199     char *nameString, *realm;
 200     int flags = 0;
 201
 202     GSSEAP_KRB_INIT(&krbContext);
 203
 204     realm = getenv("GSSEAP_DEFAULT_REALM");
 205     if (realm != NULL) {
 206         *minor = krb5_set_default_realm(krbContext, realm);
 207         if (*minor != 0)
 208             return GSS_S_FAILURE;
 209     } else {
 210         flags |= KRB5_PRINCIPAL_PARSE_REQUIRE_REALM;
 211     }
 212
 213     if (nameBuffer == GSS_C_NO_BUFFER) {
 214         *minor = krb5_copy_principal(krbContext,
 215                                      krbAnonymousPrincipal(), &krbPrinc);
 216         if (*minor != 0)
 217             return GSS_S_FAILURE;
 218     } else {
 219         major = bufferToString(minor, nameBuffer, &nameString);
 220         if (GSS_ERROR(major))
 221             return major;
 222
 223         *minor = krb5_parse_name_flags(krbContext, nameString, flags, &krbPrinc);
 224         if (*minor != 0) {
 225             GSSEAP_FREE(nameString);
 226             return GSS_S_FAILURE;
 227         }
 228     }
 229
 230     major = krbPrincipalToName(minor, &krbPrinc, pName);
 231     if (GSS_ERROR(major)) {
 232         krb5_free_principal(krbContext, krbPrinc);
 233     }
 234
 235     GSSEAP_FREE(nameString);
 236     return major;
 237 }
 238
 239 static OM_uint32
 240 importAnonymousName(OM_uint32 *minor,
 241                     const gss_buffer_t nameBuffer GSSEAP_UNUSED,
 242                     gss_name_t *pName)
 243 {
 244     return importUserName(minor, GSS_C_NO_BUFFER, pName);
 245 }
 246
 247 #define UPDATE_REMAIN(n)    do {            \
 248         p += (n);                           \
 249         remain -= (n);                      \
 250     } while (0)
 251
 252 #define CHECK_REMAIN(n)     do {        \
 253         if (remain < (n)) {             \
 254             major = GSS_S_BAD_NAME;     \
 255             *minor = GSSEAP_TOK_TRUNC;  \
 256             goto cleanup;               \
 257         }                               \
 258     } while (0)
 259
 260 OM_uint32
 261 gssEapImportNameInternal(OM_uint32 *minor,
 262                          const gss_buffer_t nameBuffer,
 263                          gss_name_t *pName,
 264                          unsigned int flags)
 265 {
 266     OM_uint32 major, tmpMinor;
 267     krb5_context krbContext;
 268     unsigned char *p;
 269     size_t len, remain;
 270     gss_buffer_desc buf;
 271     enum gss_eap_token_type tokType;
 272     gss_name_t name = GSS_C_NO_NAME;
 273     gss_OID mechanismUsed = GSS_C_NO_OID;
 274
 275     GSSEAP_KRB_INIT(&krbContext);
 276
 277     p = (unsigned char *)nameBuffer->value;
 278     remain = nameBuffer->length;
 279
 280     if (flags & EXPORT_NAME_FLAG_OID) {
 281         gss_OID_desc mech;
 282
 283         /* TOK_ID || MECH_OID_LEN || MECH_OID */
 284         if (remain < 6)
 285             return GSS_S_BAD_NAME;
 286
 287         if (flags & EXPORT_NAME_FLAG_COMPOSITE)
 288             tokType = TOK_TYPE_EXPORT_NAME_COMPOSITE;
 289         else
 290             tokType = TOK_TYPE_EXPORT_NAME;
 291
 292         /* TOK_ID */
 293         if (load_uint16_be(p) != tokType)
 294             return GSS_S_BAD_NAME;
 295         UPDATE_REMAIN(2);
 296
 297         /* MECH_OID_LEN */
 298         len = load_uint16_be(p);
 299         if (len < 2)
 300             return GSS_S_BAD_NAME;
 301         UPDATE_REMAIN(2);
 302
 303         /* MECH_OID */
 304         if (p[0] != 0x06)
 305             return GSS_S_BAD_NAME;
 306
 307         mech.length = p[1];
 308         mech.elements = &p[2];
 309
 310         CHECK_REMAIN(mech.length);
 311
 312         major = gssEapCanonicalizeOid(minor,
 313                                       &mech,
 314                                       OID_FLAG_FAMILY_MECH_VALID |
 315                                         OID_FLAG_MAP_FAMILY_MECH_TO_NULL,
 316                                       &mechanismUsed);
 317         if (GSS_ERROR(major))
 318             goto cleanup;
 319
 320         UPDATE_REMAIN(2 + mech.length);
 321     }
 322
 323     /* NAME_LEN */
 324     CHECK_REMAIN(4);
 325     len = load_uint32_be(p);
 326     UPDATE_REMAIN(4);
 327
 328     /* NAME */
 329     CHECK_REMAIN(len);
 330     buf.length = len;
 331     buf.value = p;
 332     UPDATE_REMAIN(len);
 333
 334     major = importUserName(minor, &buf, &name);
 335     if (GSS_ERROR(major))
 336         goto cleanup;
 337
 338     name->mechanismUsed = mechanismUsed;
 339     mechanismUsed = GSS_C_NO_OID;
 340
 341     if (flags & EXPORT_NAME_FLAG_COMPOSITE) {
 342         gss_buffer_desc buf;
 343
 344         buf.length = remain;
 345         buf.value = p;
 346
 347         major = gssEapImportAttrContext(minor, &buf, name);
 348         if (GSS_ERROR(major))
 349             goto cleanup;
 350     }
 351
 352     major = GSS_S_COMPLETE;
 353     *minor = 0;
 354
 355 cleanup:
 356     if (GSS_ERROR(major)) {
 357         gssEapReleaseOid(&tmpMinor, &mechanismUsed);
 358         gssEapReleaseName(&tmpMinor, &name);
 359     } else {
 360         *pName = name;
 361     }
 362
 363     return major;
 364 }
 365
 366 static OM_uint32
 367 importExportName(OM_uint32 *minor,
 368                  const gss_buffer_t nameBuffer,
 369                  gss_name_t *name)
 370 {
 371     return gssEapImportNameInternal(minor, nameBuffer, name,
 372                                     EXPORT_NAME_FLAG_OID);
 373 }
 374
 375 #ifdef HAVE_GSS_C_NT_COMPOSITE_EXPORT
 376 static OM_uint32
 377 importCompositeExportName(OM_uint32 *minor,
 378                           const gss_buffer_t nameBuffer,
 379                           gss_name_t *name)
 380 {
 381     return gssEapImportNameInternal(minor, nameBuffer, name,
 382                                     EXPORT_NAME_FLAG_OID |
 383                                     EXPORT_NAME_FLAG_COMPOSITE);
 384 }
 385 #endif
 386
 387 struct gss_eap_name_import_provider {
 388     gss_OID oid;
 389     OM_uint32 (*import)(OM_uint32 *, const gss_buffer_t, gss_name_t *);
 390 };
 391
 392 OM_uint32
 393 gssEapImportName(OM_uint32 *minor,
 394                  const gss_buffer_t nameBuffer,
 395                  gss_OID nameType,
 396                  gss_OID mechType,
 397                  gss_name_t *pName)
 398 {
 399     struct gss_eap_name_import_provider nameTypes[] = {
 400         { GSS_C_NT_USER_NAME,               importUserName              },
 401         { GSS_EAP_NT_PRINCIPAL_NAME,        importUserName              },
 402         { GSS_C_NT_HOSTBASED_SERVICE,       importServiceName           },
 403         { GSS_C_NT_HOSTBASED_SERVICE_X,     importServiceName           },
 404         { GSS_C_NT_ANONYMOUS,               importAnonymousName         },
 405         { GSS_C_NT_EXPORT_NAME,             importExportName            },
 406 #ifdef HAVE_GSS_C_NT_COMPOSITE_EXPORT
 407         { GSS_C_NT_COMPOSITE_EXPORT,        importCompositeExportName   },
 408 #endif
 409     };
 410     size_t i;
 411     OM_uint32 major = GSS_S_BAD_NAMETYPE;
 412     OM_uint32 tmpMinor;
 413     gss_name_t name = GSS_C_NO_NAME;
 414
 415     if (nameType == GSS_C_NO_OID)
 416         nameType = nameTypes[0].oid;
 417
 418     for (i = 0; i < sizeof(nameTypes) / sizeof(nameTypes[0]); i++) {
 419         if (oidEqual(nameTypes[i].oid, nameType)) {
 420             major = nameTypes[i].import(minor, nameBuffer, &name);
 421             break;
 422         }
 423     }
 424
 425     if (major == GSS_S_COMPLETE &&
 426         mechType != GSS_C_NO_OID) {
 427         assert(gssEapIsConcreteMechanismOid(mechType));
 428         assert(name->mechanismUsed == GSS_C_NO_OID);
 429
 430         major = gssEapCanonicalizeOid(minor, mechType, 0, &name->mechanismUsed);
 431     }
 432
 433     if (GSS_ERROR(major))
 434         gssEapReleaseName(&tmpMinor, &name);
 435     else
 436         *pName = name;
 437
 438     return major;
 439 }
 440
 441 OM_uint32
 442 gssEapExportName(OM_uint32 *minor,
 443                  const gss_name_t name,
 444                  gss_buffer_t exportedName)
 445 {
 446     return gssEapExportNameInternal(minor, name, exportedName,
 447                                     EXPORT_NAME_FLAG_OID);
 448 }
 449
 450 OM_uint32
 451 gssEapExportNameInternal(OM_uint32 *minor,
 452                          const gss_name_t name,
 453                          gss_buffer_t exportedName,
 454                          unsigned int flags)
 455 {
 456     OM_uint32 major = GSS_S_FAILURE, tmpMinor;
 457     krb5_context krbContext;
 458     char *krbName = NULL;
 459     size_t krbNameLen, exportedNameLen;
 460     unsigned char *p;
 461     gss_buffer_desc attrs = GSS_C_EMPTY_BUFFER;
 462     gss_OID mech;
 463
 464     exportedName->length = 0;
 465     exportedName->value = NULL;
 466
 467     if (name->mechanismUsed != GSS_C_NO_OID)
 468         mech = name->mechanismUsed;
 469     else
 470         mech = GSS_EAP_MECHANISM;
 471
 472     GSSEAP_KRB_INIT(&krbContext);
 473
 474     *minor = krb5_unparse_name(krbContext, name->krbPrincipal, &krbName);
 475     if (*minor != 0) {
 476         major = GSS_S_FAILURE;
 477         goto cleanup;
 478     }
 479     krbNameLen = strlen(krbName);
 480
 481     exportedNameLen = 0;
 482     if (flags & EXPORT_NAME_FLAG_OID) {
 483         exportedNameLen += 6 + mech->length;
 484     }
 485     exportedNameLen += 4 + krbNameLen;
 486     if (flags & EXPORT_NAME_FLAG_COMPOSITE) {
 487         major = gssEapExportAttrContext(minor, name, &attrs);
 488         if (GSS_ERROR(major))
 489             goto cleanup;
 490         exportedNameLen += attrs.length;
 491     }
 492
 493     exportedName->value = GSSEAP_MALLOC(exportedNameLen);
 494     if (exportedName->value == NULL) {
 495         major = GSS_S_FAILURE;
 496         *minor = ENOMEM;
 497         goto cleanup;
 498     }
 499     exportedName->length = exportedNameLen;
 500
 501     p = (unsigned char *)exportedName->value;
 502
 503     if (flags & EXPORT_NAME_FLAG_OID) {
 504         /* TOK | MECH_OID_LEN */
 505         store_uint16_be((flags & EXPORT_NAME_FLAG_COMPOSITE)
 506                         ? TOK_TYPE_EXPORT_NAME_COMPOSITE
 507                         : TOK_TYPE_EXPORT_NAME,
 508                         p);
 509         p += 2;
 510         store_uint16_be(mech->length + 2, p);
 511         p += 2;
 512
 513         /* MECH_OID */
 514         *p++ = 0x06;
 515         *p++ = mech->length & 0xff;
 516         memcpy(p, mech->elements, mech->length);
 517         p += mech->length;
 518     }
 519
 520     /* NAME_LEN */
 521     store_uint32_be(krbNameLen, p);
 522     p += 4;
 523
 524     /* NAME */
 525     memcpy(p, krbName, krbNameLen);
 526     p += krbNameLen;
 527
 528     if (flags & EXPORT_NAME_FLAG_COMPOSITE) {
 529         memcpy(p, attrs.value, attrs.length);
 530         p += attrs.length;
 531     }
 532
 533     assert(p == (unsigned char *)exportedName->value + exportedNameLen);
 534
 535     major = GSS_S_COMPLETE;
 536     *minor = 0;
 537
 538 cleanup:
 539     gss_release_buffer(&tmpMinor, &attrs);
 540     if (GSS_ERROR(major))
 541         gss_release_buffer(&tmpMinor, exportedName);
 542     krb5_free_unparsed_name(krbContext, krbName);
 543
 544     return major;
 545 }
 546
 547 OM_uint32
 548 gssEapCanonicalizeName(OM_uint32 *minor,
 549                        const gss_name_t input_name,
 550                        const gss_OID mech_type,
 551                        gss_name_t *dest_name)
 552 {
 553     OM_uint32 major, tmpMinor;
 554     krb5_context krbContext;
 555     gss_name_t name;
 556     gss_OID mech_used;
 557
 558     if (input_name == GSS_C_NO_NAME) {
 559         *minor = EINVAL;
 560         return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME;
 561     }
 562
 563     GSSEAP_KRB_INIT(&krbContext);
 564
 565     major = gssEapAllocName(minor, &name);
 566     if (GSS_ERROR(major)) {
 567         return major;
 568     }
 569
 570     if (mech_type != GSS_C_NO_OID)
 571         mech_used = mech_type;
 572     else
 573         mech_used = input_name->mechanismUsed;
 574
 575     major = gssEapCanonicalizeOid(minor,
 576                                   mech_used,
 577                                   OID_FLAG_NULL_VALID,
 578                                   &name->mechanismUsed);
 579     if (GSS_ERROR(major))
 580         goto cleanup;
 581
 582     name->flags = input_name->flags;
 583
 584     *minor = krb5_copy_principal(krbContext, input_name->krbPrincipal,
 585                                  &name->krbPrincipal);
 586     if (*minor != 0) {
 587         major = GSS_S_FAILURE;
 588         goto cleanup;
 589     }
 590
 591     if (input_name->attrCtx != NULL) {
 592         major = gssEapDuplicateAttrContext(minor, input_name, name);
 593         if (GSS_ERROR(major))
 594             goto cleanup;
 595     }
 596
 597     *dest_name = name;
 598
 599 cleanup:
 600     if (GSS_ERROR(major)) {
 601         gssEapReleaseName(&tmpMinor, &name);
 602     }
 603
 604     return major;
 605 }
 606
 607 OM_uint32
 608 gssEapDuplicateName(OM_uint32 *minor,
 609                     const gss_name_t input_name,
 610                     gss_name_t *dest_name)
 611 {
 612     return gssEapCanonicalizeName(minor, input_name,
 613                                   GSS_C_NO_OID, dest_name);
 614 }
 615
 616 OM_uint32
 617 gssEapDisplayName(OM_uint32 *minor,
 618                   gss_name_t name,
 619                   gss_buffer_t output_name_buffer,
 620                   gss_OID *output_name_type)
 621 {
 622     OM_uint32 major;
 623     krb5_context krbContext;
 624     char *krbName;
 625     gss_OID name_type;
 626
 627     GSSEAP_KRB_INIT(&krbContext);
 628
 629     output_name_buffer->length = 0;
 630     output_name_buffer->value = NULL;
 631
 632     if (name == GSS_C_NO_NAME) {
 633         *minor = EINVAL;
 634         return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME;
 635     }
 636
 637     *minor = krb5_unparse_name(krbContext, name->krbPrincipal, &krbName);
 638     if (*minor != 0) {
 639         return GSS_S_FAILURE;
 640     }
 641
 642     major = makeStringBuffer(minor, krbName, output_name_buffer);
 643     if (GSS_ERROR(major)) {
 644         krb5_free_unparsed_name(krbContext, krbName);
 645         return major;
 646     }
 647
 648     krb5_free_unparsed_name(krbContext, krbName);
 649
 650     if (KRB_PRINC_TYPE(name->krbPrincipal) == KRB5_NT_WELLKNOWN &&
 651         krb5_principal_compare(krbContext,
 652                                name->krbPrincipal, krbAnonymousPrincipal())) {
 653         name_type = GSS_C_NT_ANONYMOUS;
 654     } else {
 655         name_type = GSS_EAP_NT_PRINCIPAL_NAME;
 656     }
 657
 658     if (output_name_type != NULL)
 659         *output_name_type = name_type;
 660
 661     return GSS_S_COMPLETE;
 662 }