git.sur5r.net Git - openldap/blob - servers/slapd/bind.c

   1 /* bind.c - decode an ldap bind operation and pass it to a backend db */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 /*
   9  * Copyright (c) 1995 Regents of the University of Michigan.
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms are permitted
  13  * provided that this notice is preserved and that due credit is given
  14  * to the University of Michigan at Ann Arbor. The name of the University
  15  * may not be used to endorse or promote products derived from this
  16  * software without specific prior written permission. This software
  17  * is provided ``as is'' without express or implied warranty.
  18  */
  19
  20 #include "portable.h"
  21 #include "slapi_common.h"
  22
  23 #include <stdio.h>
  24
  25 #include <ac/string.h>
  26 #include <ac/socket.h>
  27
  28 #include "ldap_pvt.h"
  29 #include "slap.h"
  30 #include "slapi.h"
  31
  32 int
  33 do_bind(
  34     Connection  *conn,
  35     Operation   *op
  36 )
  37 {
  38         BerElement *ber = op->o_ber;
  39         ber_int_t version;
  40         ber_tag_t method;
  41         struct berval mech = { 0, NULL };
  42         struct berval dn = { 0, NULL };
  43         struct berval pdn = { 0, NULL };
  44         struct berval ndn = { 0, NULL };
  45         struct berval edn = { 0, NULL };
  46         ber_tag_t tag;
  47         int     rc = LDAP_SUCCESS;
  48         const char *text;
  49         struct berval cred = { 0, NULL };
  50         Backend *be = NULL;
  51
  52         Slapi_PBlock *pb = op->o_pb;
  53
  54 #ifdef NEW_LOGGING
  55         LDAP_LOG( OPERATION, ENTRY, "do_bind: conn %d\n", conn->c_connid, 0, 0 );
  56 #else
  57         Debug( LDAP_DEBUG_TRACE, "do_bind\n", 0, 0, 0 );
  58 #endif
  59
  60         /*
  61          * Force to connection to "anonymous" until bind succeeds.
  62          */
  63         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
  64         if ( conn->c_sasl_bind_in_progress ) be = conn->c_authz_backend;
  65
  66         /* log authorization identity demotion */
  67         if ( conn->c_dn.bv_len ) {
  68                 Statslog( LDAP_DEBUG_STATS,
  69                         "conn=%lu op=%lu AUTHZ anonymous mech=implicit ssf=0",
  70                         op->o_connid, op->o_opid, 0, 0, 0 );
  71         }
  72
  73         connection2anonymous( conn );
  74         if ( conn->c_sasl_bind_in_progress ) conn->c_authz_backend = be;
  75         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
  76
  77         if ( op->o_dn.bv_val != NULL ) {
  78                 free( op->o_dn.bv_val );
  79                 op->o_dn.bv_val = ch_strdup( "" );
  80                 op->o_dn.bv_len = 0;
  81         }
  82
  83         if ( op->o_ndn.bv_val != NULL ) {
  84                 free( op->o_ndn.bv_val );
  85                 op->o_ndn.bv_val = ch_strdup( "" );
  86                 op->o_ndn.bv_len = 0;
  87         }
  88
  89         /*
  90          * Parse the bind request.  It looks like this:
  91          *
  92          *      BindRequest ::= SEQUENCE {
  93          *              version         INTEGER,                 -- version
  94          *              name            DistinguishedName,       -- dn
  95          *              authentication  CHOICE {
  96          *                      simple          [0] OCTET STRING -- passwd
  97          *                      krbv42ldap      [1] OCTET STRING
  98          *                      krbv42dsa       [2] OCTET STRING
  99          *                      SASL            [3] SaslCredentials
 100          *              }
 101          *      }
 102          *
 103          *      SaslCredentials ::= SEQUENCE {
 104      *          mechanism           LDAPString,
 105      *          credentials         OCTET STRING OPTIONAL
 106          *      }
 107          */
 108
 109         tag = ber_scanf( ber, "{imt" /*}*/, &version, &dn, &method );
 110
 111         if ( tag == LBER_ERROR ) {
 112 #ifdef NEW_LOGGING
 113                 LDAP_LOG( OPERATION, ERR,
 114                         "do_bind: conn %d  ber_scanf failed\n", conn->c_connid, 0, 0 );
 115 #else
 116                 Debug( LDAP_DEBUG_ANY, "bind: ber_scanf failed\n", 0, 0, 0 );
 117 #endif
 118                 send_ldap_disconnect( conn, op,
 119                         LDAP_PROTOCOL_ERROR, "decoding error" );
 120                 rc = -1;
 121                 goto cleanup;
 122         }
 123
 124         op->o_protocol = version;
 125
 126         if( method != LDAP_AUTH_SASL ) {
 127                 tag = ber_scanf( ber, /*{*/ "m}", &cred );
 128
 129         } else {
 130                 tag = ber_scanf( ber, "{o" /*}*/, &mech );
 131
 132                 if ( tag != LBER_ERROR ) {
 133                         ber_len_t len;
 134                         tag = ber_peek_tag( ber, &len );
 135
 136                         if ( tag == LDAP_TAG_LDAPCRED ) {
 137                                 tag = ber_scanf( ber, "m", &cred );
 138                         } else {
 139                                 tag = LDAP_TAG_LDAPCRED;
 140                                 cred.bv_val = NULL;
 141                                 cred.bv_len = 0;
 142                         }
 143
 144                         if ( tag != LBER_ERROR ) {
 145                                 tag = ber_scanf( ber, /*{{*/ "}}" );
 146                         }
 147                 }
 148         }
 149
 150         if ( tag == LBER_ERROR ) {
 151                 send_ldap_disconnect( conn, op,
 152                         LDAP_PROTOCOL_ERROR,
 153                 "decoding error" );
 154                 rc = SLAPD_DISCONNECT;
 155                 goto cleanup;
 156         }
 157
 158         if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
 159 #ifdef NEW_LOGGING
 160                 LDAP_LOG( OPERATION, INFO,
 161                         "do_bind: conn %d  get_ctrls failed\n", conn->c_connid, 0, 0 );
 162 #else
 163                 Debug( LDAP_DEBUG_ANY, "do_bind: get_ctrls failed\n", 0, 0, 0 );
 164 #endif
 165                 goto cleanup;
 166         }
 167
 168         rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn );
 169         if ( rc != LDAP_SUCCESS ) {
 170 #ifdef NEW_LOGGING
 171                 LDAP_LOG( OPERATION, INFO,
 172                         "do_bind: conn %d  invalid dn (%s)\n",
 173                         conn->c_connid, dn.bv_val, 0 );
 174 #else
 175                 Debug( LDAP_DEBUG_ANY, "bind: invalid dn (%s)\n",
 176                         dn.bv_val, 0, 0 );
 177 #endif
 178                 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
 179                     "invalid DN", NULL, NULL );
 180                 goto cleanup;
 181         }
 182
 183         if( method == LDAP_AUTH_SASL ) {
 184 #ifdef NEW_LOGGING
 185                 LDAP_LOG( OPERATION,     DETAIL1,
 186                         "do_sasl_bind: conn %d  dn (%s) mech %s\n",
 187                         conn->c_connid, pdn.bv_val, mech.bv_val );
 188 #else
 189                 Debug( LDAP_DEBUG_TRACE, "do_sasl_bind: dn (%s) mech %s\n",
 190                         pdn.bv_val, mech.bv_val, NULL );
 191 #endif
 192
 193         } else {
 194 #ifdef NEW_LOGGING
 195                 LDAP_LOG( OPERATION, DETAIL1,
 196                         "do_bind: version=%ld dn=\"%s\" method=%ld\n",
 197                         (unsigned long) version, pdn.bv_val, (unsigned long)method );
 198 #else
 199                 Debug( LDAP_DEBUG_TRACE,
 200                         "do_bind: version=%ld dn=\"%s\" method=%ld\n",
 201                         (unsigned long) version,
 202                         pdn.bv_val, (unsigned long) method );
 203 #endif
 204         }
 205
 206         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu BIND dn=\"%s\" method=%ld\n",
 207             op->o_connid, op->o_opid, pdn.bv_val, (unsigned long) method, 0 );
 208
 209         if ( version < LDAP_VERSION_MIN || version > LDAP_VERSION_MAX ) {
 210 #ifdef NEW_LOGGING
 211                 LDAP_LOG( OPERATION, INFO,
 212                         "do_bind: conn %d  unknown version = %ld\n",
 213                         conn->c_connid, (unsigned long)version, 0 );
 214 #else
 215                 Debug( LDAP_DEBUG_ANY, "do_bind: unknown version=%ld\n",
 216                         (unsigned long) version, 0, 0 );
 217 #endif
 218                 send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
 219                         NULL, "requested protocol version not supported", NULL, NULL );
 220                 goto cleanup;
 221
 222         } else if (!( global_allows & SLAP_ALLOW_BIND_V2 ) &&
 223                 version < LDAP_VERSION3 )
 224         {
 225                 send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
 226                         NULL, "requested protocol version not allowed", NULL, NULL );
 227                 goto cleanup;
 228         }
 229
 230         /* we set connection version regardless of whether bind succeeds
 231          * or not.
 232          */
 233         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 234         conn->c_protocol = version;
 235         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 236
 237         /* check for inappropriate controls */
 238         if( get_manageDSAit( op ) == SLAP_CRITICAL_CONTROL ) {
 239                 send_ldap_result( conn, op,
 240                         rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
 241                         NULL, "manageDSAit control inappropriate",
 242                         NULL, NULL );
 243                 goto cleanup;
 244         }
 245
 246         /* Set the bindop for the benefit of in-directory SASL lookups */
 247         conn->c_sasl_bindop = op;
 248
 249         if ( method == LDAP_AUTH_SASL ) {
 250                 slap_ssf_t ssf = 0;
 251
 252                 if ( version < LDAP_VERSION3 ) {
 253 #ifdef NEW_LOGGING
 254                         LDAP_LOG( OPERATION, INFO,
 255                                 "do_bind: conn %d  sasl with LDAPv%ld\n",
 256                                 conn->c_connid, (unsigned long)version , 0 );
 257 #else
 258                         Debug( LDAP_DEBUG_ANY, "do_bind: sasl with LDAPv%ld\n",
 259                                 (unsigned long) version, 0, 0 );
 260 #endif
 261                         send_ldap_disconnect( conn, op,
 262                                 LDAP_PROTOCOL_ERROR, "SASL bind requires LDAPv3" );
 263                         rc = SLAPD_DISCONNECT;
 264                         goto cleanup;
 265                 }
 266
 267                 if( mech.bv_len == 0 ) {
 268 #ifdef NEW_LOGGING
 269                         LDAP_LOG( OPERATION, INFO,
 270                                    "do_bind: conn %d  no SASL mechanism provided\n",
 271                                    conn->c_connid, 0, 0 );
 272 #else
 273                         Debug( LDAP_DEBUG_ANY,
 274                                 "do_bind: no sasl mechanism provided\n",
 275                                 0, 0, 0 );
 276 #endif
 277                         send_ldap_result( conn, op, rc = LDAP_AUTH_METHOD_NOT_SUPPORTED,
 278                                 NULL, "no SASL mechanism provided", NULL, NULL );
 279                         goto cleanup;
 280                 }
 281
 282                 /* check restrictions */
 283                 rc = backend_check_restrictions( NULL, conn, op, &mech, &text );
 284                 if( rc != LDAP_SUCCESS ) {
 285                         send_ldap_result( conn, op, rc,
 286                                 NULL, text, NULL, NULL );
 287                         goto cleanup;
 288                 }
 289
 290                 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 291                 if ( conn->c_sasl_bind_in_progress ) {
 292                         if( !bvmatch( &conn->c_sasl_bind_mech, &mech ) ) {
 293                                 /* mechanism changed between bind steps */
 294                                 slap_sasl_reset(conn);
 295                         }
 296                 } else {
 297                         conn->c_sasl_bind_mech = mech;
 298                         mech.bv_val = NULL;
 299                         mech.bv_len = 0;
 300                 }
 301                 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 302
 303                 rc = slap_sasl_bind( conn, op,
 304                         &pdn, &ndn,
 305                         &cred, &edn, &ssf );
 306
 307                 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 308                 if( rc == LDAP_SUCCESS ) {
 309                         conn->c_dn = edn;
 310                         if( edn.bv_len != 0 ) {
 311                                 /* edn is always normalized already */
 312                                 ber_dupbv( &conn->c_ndn, &conn->c_dn );
 313                         }
 314                         conn->c_authmech = conn->c_sasl_bind_mech;
 315                         conn->c_sasl_bind_mech.bv_val = NULL;
 316                         conn->c_sasl_bind_mech.bv_len = 0;
 317                         conn->c_sasl_bind_in_progress = 0;
 318
 319                         conn->c_sasl_ssf = ssf;
 320                         if( ssf > conn->c_ssf ) {
 321                                 conn->c_ssf = ssf;
 322                         }
 323
 324                         if( conn->c_dn.bv_len != 0 ) {
 325                                 ber_len_t max = sockbuf_max_incoming_auth;
 326                                 ber_sockbuf_ctrl( conn->c_sb,
 327                                         LBER_SB_OPT_SET_MAX_INCOMING, &max );
 328                         }
 329
 330                         /* log authorization identity */
 331                         Statslog( LDAP_DEBUG_STATS,
 332                                 "conn=%lu op=%lu AUTHZ dn=\"%s\" mech=%s ssf=%d\n",
 333                                 op->o_connid, op->o_opid,
 334                                 conn->c_dn.bv_val, conn->c_authmech.bv_val, ssf );
 335
 336 #ifdef NEW_LOGGING
 337                         LDAP_LOG( OPERATION, DETAIL1,
 338                                 "do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
 339                                 conn->c_authmech.bv_val, conn->c_dn.bv_val, ssf );
 340 #else
 341                         Debug( LDAP_DEBUG_TRACE,
 342                                 "do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
 343                                 conn->c_authmech.bv_val, conn->c_dn.bv_val, ssf );
 344 #endif
 345
 346                 } else if ( rc == LDAP_SASL_BIND_IN_PROGRESS ) {
 347                         conn->c_sasl_bind_in_progress = 1;
 348
 349                 } else {
 350                         if ( conn->c_sasl_bind_mech.bv_val ) {
 351                                 free( conn->c_sasl_bind_mech.bv_val );
 352                                 conn->c_sasl_bind_mech.bv_val = NULL;
 353                                 conn->c_sasl_bind_mech.bv_len = 0;
 354                         }
 355                         conn->c_sasl_bind_in_progress = 0;
 356                 }
 357                 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 358
 359                 goto cleanup;
 360
 361         } else {
 362                 /* Not SASL, cancel any in-progress bind */
 363                 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 364
 365                 if ( conn->c_sasl_bind_mech.bv_val != NULL ) {
 366                         free(conn->c_sasl_bind_mech.bv_val);
 367                         conn->c_sasl_bind_mech.bv_val = NULL;
 368                         conn->c_sasl_bind_mech.bv_len = 0;
 369                 }
 370                 conn->c_sasl_bind_in_progress = 0;
 371
 372                 slap_sasl_reset( conn );
 373                 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 374         }
 375
 376         if ( method == LDAP_AUTH_SIMPLE ) {
 377                 /* accept "anonymous" binds */
 378                 if ( cred.bv_len == 0 || ndn.bv_len == 0 ) {
 379                         rc = LDAP_SUCCESS;
 380                         text = NULL;
 381
 382                         if( cred.bv_len &&
 383                                 !( global_allows & SLAP_ALLOW_BIND_ANON_CRED ))
 384                         {
 385                                 /* cred is not empty, disallow */
 386                                 rc = LDAP_INVALID_CREDENTIALS;
 387
 388                         } else if ( ndn.bv_len &&
 389                                 !( global_allows & SLAP_ALLOW_BIND_ANON_DN ))
 390                         {
 391                                 /* DN is not empty, disallow */
 392                                 rc = LDAP_UNWILLING_TO_PERFORM;
 393                                 text = "unwilling to allow anonymous bind with non-empty DN";
 394
 395                         } else if ( global_disallows & SLAP_DISALLOW_BIND_ANON ) {
 396                                 /* disallow */
 397                                 rc = LDAP_INAPPROPRIATE_AUTH;
 398                                 text = "anonymous bind disallowed";
 399
 400                         } else {
 401                                 rc = backend_check_restrictions( NULL, conn, op,
 402                                         &mech, &text );
 403                         }
 404
 405                         /*
 406                          * we already forced connection to "anonymous",
 407                          * just need to send success
 408                          */
 409                         send_ldap_result( conn, op, rc,
 410                                 NULL, text, NULL, NULL );
 411 #ifdef NEW_LOGGING
 412                         LDAP_LOG( OPERATION, DETAIL1,
 413                                    "do_bind: conn %d  v%d anonymous bind\n",
 414                                    conn->c_connid, version , 0 );
 415 #else
 416                         Debug( LDAP_DEBUG_TRACE, "do_bind: v%d anonymous bind\n",
 417                                 version, 0, 0 );
 418 #endif
 419                         goto cleanup;
 420
 421                 } else if ( global_disallows & SLAP_DISALLOW_BIND_SIMPLE ) {
 422                         /* disallow simple authentication */
 423                         rc = LDAP_UNWILLING_TO_PERFORM;
 424                         text = "unwilling to perform simple authentication";
 425
 426                         send_ldap_result( conn, op, rc,
 427                                 NULL, text, NULL, NULL );
 428 #ifdef NEW_LOGGING
 429                         LDAP_LOG( OPERATION, INFO,
 430                                    "do_bind: conn %d  v%d simple bind(%s) disallowed\n",
 431                                    conn->c_connid, version, ndn.bv_val );
 432 #else
 433                         Debug( LDAP_DEBUG_TRACE,
 434                                 "do_bind: v%d simple bind(%s) disallowed\n",
 435                                 version, ndn.bv_val, 0 );
 436 #endif
 437                         goto cleanup;
 438
 439                 } else if (( global_disallows & SLAP_DISALLOW_BIND_SIMPLE_UNPROTECTED )
 440                         && ( op->o_ssf <= 1 ))
 441                 {
 442                         rc = LDAP_CONFIDENTIALITY_REQUIRED;
 443                         text = "unwilling to perform simple authentication "
 444                                 "without confidentilty protection";
 445
 446                         send_ldap_result( conn, op, rc,
 447                                 NULL, text, NULL, NULL );
 448
 449 #ifdef NEW_LOGGING
 450                         LDAP_LOG( OPERATION, INFO, "do_bind: conn %d  "
 451                                 "v%d unprotected simple bind(%s) disallowed\n",
 452                                 conn->c_connid, version, ndn.bv_val );
 453 #else
 454                         Debug( LDAP_DEBUG_TRACE,
 455                                 "do_bind: v%d unprotected simple bind(%s) disallowed\n",
 456                                 version, ndn.bv_val, 0 );
 457 #endif
 458                         goto cleanup;
 459                 }
 460
 461 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
 462         } else if ( method == LDAP_AUTH_KRBV41 || method == LDAP_AUTH_KRBV42 ) {
 463                 if ( global_disallows & SLAP_DISALLOW_BIND_KRBV4 ) {
 464                         /* disallow simple authentication */
 465                         rc = LDAP_UNWILLING_TO_PERFORM;
 466                         text = "unwilling to perform Kerberos V4 bind";
 467
 468                         send_ldap_result( conn, op, rc,
 469                                 NULL, text, NULL, NULL );
 470 #ifdef NEW_LOGGING
 471                         LDAP_LOG( OPERATION, DETAIL1,
 472                                    "do_bind: conn %d  v%d Kerberos V4 bind\n",
 473                                    conn->c_connid, version , 0 );
 474 #else
 475                         Debug( LDAP_DEBUG_TRACE, "do_bind: v%d Kerberos V4 bind\n",
 476                                 version, 0, 0 );
 477 #endif
 478                         goto cleanup;
 479                 }
 480 #endif
 481
 482         } else {
 483                 rc = LDAP_AUTH_METHOD_NOT_SUPPORTED;
 484                 text = "unknown authentication method";
 485
 486                 send_ldap_result( conn, op, rc,
 487                         NULL, text, NULL, NULL );
 488 #ifdef NEW_LOGGING
 489                 LDAP_LOG( OPERATION, INFO,
 490                            "do_bind: conn %ld  v%d unknown authentication method (%ld)\n",
 491                            conn->c_connid, version, method );
 492 #else
 493                 Debug( LDAP_DEBUG_TRACE,
 494                         "do_bind: v%d unknown authentication method (%ld)\n",
 495                         version, method, 0 );
 496 #endif
 497                 goto cleanup;
 498         }
 499
 500         /*
 501          * We could be serving multiple database backends.  Select the
 502          * appropriate one, or send a referral to our "referral server"
 503          * if we don't hold it.
 504          */
 505
 506         if ( (be = select_backend( &ndn, 0, 0 )) == NULL ) {
 507                 if ( default_referral ) {
 508                         BerVarray ref = referral_rewrite( default_referral,
 509                                 NULL, &pdn, LDAP_SCOPE_DEFAULT );
 510
 511                         send_ldap_result( conn, op, rc = LDAP_REFERRAL,
 512                                 NULL, NULL, ref ? ref : default_referral, NULL );
 513
 514                         ber_bvarray_free( ref );
 515
 516                 } else {
 517                         /* noSuchObject is not allowed to be returned by bind */
 518                         send_ldap_result( conn, op, rc = LDAP_INVALID_CREDENTIALS,
 519                                 NULL, NULL, NULL, NULL );
 520                 }
 521
 522                 goto cleanup;
 523         }
 524
 525         /* check restrictions */
 526         rc = backend_check_restrictions( be, conn, op, NULL, &text );
 527         if( rc != LDAP_SUCCESS ) {
 528                 send_ldap_result( conn, op, rc,
 529                         NULL, text, NULL, NULL );
 530                 goto cleanup;
 531         }
 532
 533 #if defined( LDAP_SLAPI )
 534         slapi_pblock_set( pb, SLAPI_BACKEND, (void *)be );
 535         slapi_pblock_set( pb, SLAPI_CONNECTION, (void *)conn );
 536         slapi_pblock_set( pb, SLAPI_OPERATION, (void *)op );
 537         slapi_pblock_set( pb, SLAPI_BIND_TARGET, (void *)dn.bv_val );
 538         slapi_pblock_set( pb, SLAPI_BIND_METHOD, (void *)method );
 539         slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)(1) );
 540
 541         rc = doPluginFNs( be, SLAPI_PLUGIN_PRE_BIND_FN, pb );
 542         if ( rc != 0 && rc != LDAP_OTHER ) {
 543                 /*
 544                  * either there is no preOp (bind) plugins
 545                  * or a plugin failed. Just log it
 546                  *
 547                  * FIXME: is this correct?
 548                  */
 549 #ifdef NEW_LOGGING
 550                 LDAP_LOG( OPERATION, INFO, "do_bind: Bind preOps failed\n",
 551                                 0, 0, 0);
 552 #else
 553                 Debug(LDAP_DEBUG_TRACE, "do_bind: Bind preOps failed.\n",
 554                                 0, 0, 0);
 555 #endif
 556         }
 557 #endif /* defined( LDAP_SLAPI ) */
 558
 559         if ( be->be_bind ) {
 560                 int ret;
 561
 562                 /* deref suffix alias if appropriate */
 563                 suffix_alias( be, &ndn );
 564
 565                 ret = (*be->be_bind)( be, conn, op,
 566                         &pdn, &ndn, method, &cred, &edn );
 567
 568                 if ( ret == 0 ) {
 569                         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 570
 571                         if( conn->c_authz_backend == NULL ) {
 572                                 conn->c_authz_backend = be;
 573                         }
 574
 575                         if(edn.bv_len) {
 576                                 conn->c_dn = edn;
 577                         } else {
 578                                 conn->c_dn = pdn;
 579                                 pdn.bv_val = NULL;
 580                                 pdn.bv_len = 0;
 581                         }
 582
 583                         conn->c_ndn = ndn;
 584                         ndn.bv_val = NULL;
 585                         ndn.bv_len = 0;
 586
 587                         if( conn->c_dn.bv_len != 0 ) {
 588                                 ber_len_t max = sockbuf_max_incoming_auth;
 589                                 ber_sockbuf_ctrl( conn->c_sb,
 590                                         LBER_SB_OPT_SET_MAX_INCOMING, &max );
 591                         }
 592
 593                         /* log authorization identity */
 594                         Statslog( LDAP_DEBUG_STATS,
 595                                 "conn=%lu op=%lu AUTHZ dn=\"%s\" mech=simple ssf=0\n",
 596                                 op->o_connid, op->o_opid,
 597                                 conn->c_dn.bv_val, conn->c_authmech.bv_val, 0 );
 598
 599 #ifdef NEW_LOGGING
 600                         LDAP_LOG( OPERATION, DETAIL1,
 601                                 "do_bind: v%d bind: \"%s\" to \"%s\" \n",
 602                                 version, conn->c_dn.bv_val, conn->c_dn.bv_val );
 603 #else
 604                         Debug( LDAP_DEBUG_TRACE,
 605                                 "do_bind: v%d bind: \"%s\" to \"%s\"\n",
 606                                 version, dn.bv_val, conn->c_dn.bv_val );
 607 #endif
 608
 609                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 610
 611                         /* send this here to avoid a race condition */
 612                         send_ldap_result( conn, op, LDAP_SUCCESS,
 613                                 NULL, NULL, NULL, NULL );
 614
 615                 } else if (edn.bv_val != NULL) {
 616                         free( edn.bv_val );
 617                 }
 618
 619         } else {
 620                 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
 621                         NULL, "operation not supported within namingContext",
 622                         NULL, NULL );
 623         }
 624
 625 #if defined( LDAP_SLAPI )
 626         rc = doPluginFNs( be, SLAPI_PLUGIN_POST_BIND_FN, pb );
 627         if ( rc != 0 && rc != LDAP_OTHER ) {
 628                 /*
 629                  * either there is no pretOp (bind) plugins
 630                  * or a plugin failed. Just log it
 631                  *
 632                  * FIXME: is this correct?
 633                  */
 634 #ifdef NEW_LOGGING
 635                 LDAP_LOG( OPERATION, INFO, "do_bind: Bind postOps failed\n",
 636                                 0, 0, 0);
 637 #else
 638                 Debug(LDAP_DEBUG_TRACE, "do_bind: Bind postOps failed.\n",
 639                                 0, 0, 0);
 640 #endif
 641         }
 642 #endif /* defined( LDAP_SLAPI ) */
 643
 644 cleanup:
 645         conn->c_sasl_bindop = NULL;
 646
 647         if( pdn.bv_val != NULL ) {
 648                 free( pdn.bv_val );
 649         }
 650         if( ndn.bv_val != NULL ) {
 651                 free( ndn.bv_val );
 652         }
 653         if ( mech.bv_val != NULL ) {
 654                 free( mech.bv_val );
 655         }
 656
 657         return rc;
 658 }