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
  33 int
  34 do_bind(
  35     Connection  *conn,
  36     Operation   *op
  37 )
  38 {
  39         BerElement *ber = op->o_ber;
  40         ber_int_t version;
  41         ber_tag_t method;
  42         struct berval mech = { 0, NULL };
  43         struct berval dn = { 0, NULL };
  44         struct berval pdn = { 0, NULL };
  45         struct berval ndn = { 0, NULL };
  46         struct berval edn = { 0, NULL };
  47         ber_tag_t tag;
  48         int     rc = LDAP_SUCCESS;
  49         const char *text;
  50         struct berval cred = { 0, NULL };
  51         Backend *be = NULL;
  52
  53         Slapi_PBlock *pb = op->o_pb;
  54
  55 #ifdef NEW_LOGGING
  56         LDAP_LOG( OPERATION, ENTRY, "do_bind: conn %d\n", conn->c_connid, 0, 0 );
  57 #else
  58         Debug( LDAP_DEBUG_TRACE, "do_bind\n", 0, 0, 0 );
  59 #endif
  60
  61         /*
  62          * Force to connection to "anonymous" until bind succeeds.
  63          */
  64         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
  65         if ( conn->c_sasl_bind_in_progress ) be = conn->c_authz_backend;
  66
  67         /* log authorization identity demotion */
  68         if ( conn->c_dn.bv_len ) {
  69                 Statslog( LDAP_DEBUG_STATS,
  70                         "conn=%lu op=%lu AUTHZ anonymous mech=implicit ssf=0",
  71                         op->o_connid, op->o_opid, 0, 0, 0 );
  72         }
  73
  74         connection2anonymous( conn );
  75         if ( conn->c_sasl_bind_in_progress ) conn->c_authz_backend = be;
  76         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
  77
  78         if ( op->o_dn.bv_val != NULL ) {
  79                 free( op->o_dn.bv_val );
  80                 op->o_dn.bv_val = ch_strdup( "" );
  81                 op->o_dn.bv_len = 0;
  82         }
  83
  84         if ( op->o_ndn.bv_val != NULL ) {
  85                 free( op->o_ndn.bv_val );
  86                 op->o_ndn.bv_val = ch_strdup( "" );
  87                 op->o_ndn.bv_len = 0;
  88         }
  89
  90         /*
  91          * Parse the bind request.  It looks like this:
  92          *
  93          *      BindRequest ::= SEQUENCE {
  94          *              version         INTEGER,                 -- version
  95          *              name            DistinguishedName,       -- dn
  96          *              authentication  CHOICE {
  97          *                      simple          [0] OCTET STRING -- passwd
  98          *                      krbv42ldap      [1] OCTET STRING
  99          *                      krbv42dsa       [2] OCTET STRING
 100          *                      SASL            [3] SaslCredentials
 101          *              }
 102          *      }
 103          *
 104          *      SaslCredentials ::= SEQUENCE {
 105      *          mechanism           LDAPString,
 106      *          credentials         OCTET STRING OPTIONAL
 107          *      }
 108          */
 109
 110         tag = ber_scanf( ber, "{imt" /*}*/, &version, &dn, &method );
 111
 112         if ( tag == LBER_ERROR ) {
 113 #ifdef NEW_LOGGING
 114                 LDAP_LOG( OPERATION, ERR,
 115                         "do_bind: conn %d  ber_scanf failed\n", conn->c_connid, 0, 0 );
 116 #else
 117                 Debug( LDAP_DEBUG_ANY, "bind: ber_scanf failed\n", 0, 0, 0 );
 118 #endif
 119                 send_ldap_disconnect( conn, op,
 120                         LDAP_PROTOCOL_ERROR, "decoding error" );
 121                 rc = -1;
 122                 goto cleanup;
 123         }
 124
 125         op->o_protocol = version;
 126
 127         if( method != LDAP_AUTH_SASL ) {
 128                 tag = ber_scanf( ber, /*{*/ "m}", &cred );
 129
 130         } else {
 131                 tag = ber_scanf( ber, "{o" /*}*/, &mech );
 132
 133                 if ( tag != LBER_ERROR ) {
 134                         ber_len_t len;
 135                         tag = ber_peek_tag( ber, &len );
 136
 137                         if ( tag == LDAP_TAG_LDAPCRED ) {
 138                                 tag = ber_scanf( ber, "m", &cred );
 139                         } else {
 140                                 tag = LDAP_TAG_LDAPCRED;
 141                                 cred.bv_val = NULL;
 142                                 cred.bv_len = 0;
 143                         }
 144
 145                         if ( tag != LBER_ERROR ) {
 146                                 tag = ber_scanf( ber, /*{{*/ "}}" );
 147                         }
 148                 }
 149         }
 150
 151         if ( tag == LBER_ERROR ) {
 152                 send_ldap_disconnect( conn, op,
 153                         LDAP_PROTOCOL_ERROR,
 154                 "decoding error" );
 155                 rc = SLAPD_DISCONNECT;
 156                 goto cleanup;
 157         }
 158
 159         if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
 160 #ifdef NEW_LOGGING
 161                 LDAP_LOG( OPERATION, INFO,
 162                         "do_bind: conn %d  get_ctrls failed\n", conn->c_connid, 0, 0 );
 163 #else
 164                 Debug( LDAP_DEBUG_ANY, "do_bind: get_ctrls failed\n", 0, 0, 0 );
 165 #endif
 166                 goto cleanup;
 167         }
 168
 169         rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn );
 170         if ( rc != LDAP_SUCCESS ) {
 171 #ifdef NEW_LOGGING
 172                 LDAP_LOG( OPERATION, INFO,
 173                         "do_bind: conn %d  invalid dn (%s)\n",
 174                         conn->c_connid, dn.bv_val, 0 );
 175 #else
 176                 Debug( LDAP_DEBUG_ANY, "bind: invalid dn (%s)\n",
 177                         dn.bv_val, 0, 0 );
 178 #endif
 179                 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
 180                     "invalid DN", NULL, NULL );
 181                 goto cleanup;
 182         }
 183
 184         if( method == LDAP_AUTH_SASL ) {
 185 #ifdef NEW_LOGGING
 186                 LDAP_LOG( OPERATION,     DETAIL1,
 187                         "do_sasl_bind: conn %d  dn (%s) mech %s\n",
 188                         conn->c_connid, pdn.bv_val, mech.bv_val );
 189 #else
 190                 Debug( LDAP_DEBUG_TRACE, "do_sasl_bind: dn (%s) mech %s\n",
 191                         pdn.bv_val, mech.bv_val, NULL );
 192 #endif
 193
 194         } else {
 195 #ifdef NEW_LOGGING
 196                 LDAP_LOG( OPERATION, DETAIL1,
 197                         "do_bind: version=%ld dn=\"%s\" method=%ld\n",
 198                         (unsigned long) version, pdn.bv_val, (unsigned long)method );
 199 #else
 200                 Debug( LDAP_DEBUG_TRACE,
 201                         "do_bind: version=%ld dn=\"%s\" method=%ld\n",
 202                         (unsigned long) version,
 203                         pdn.bv_val, (unsigned long) method );
 204 #endif
 205         }
 206
 207         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu BIND dn=\"%s\" method=%ld\n",
 208             op->o_connid, op->o_opid, pdn.bv_val, (unsigned long) method, 0 );
 209
 210         if ( version < LDAP_VERSION_MIN || version > LDAP_VERSION_MAX ) {
 211 #ifdef NEW_LOGGING
 212                 LDAP_LOG( OPERATION, INFO,
 213                         "do_bind: conn %d  unknown version = %ld\n",
 214                         conn->c_connid, (unsigned long)version, 0 );
 215 #else
 216                 Debug( LDAP_DEBUG_ANY, "do_bind: unknown version=%ld\n",
 217                         (unsigned long) version, 0, 0 );
 218 #endif
 219                 send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
 220                         NULL, "requested protocol version not supported", NULL, NULL );
 221                 goto cleanup;
 222
 223         } else if (!( global_allows & SLAP_ALLOW_BIND_V2 ) &&
 224                 version < LDAP_VERSION3 )
 225         {
 226                 send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
 227                         NULL, "requested protocol version not allowed", NULL, NULL );
 228                 goto cleanup;
 229         }
 230
 231         /* we set connection version regardless of whether bind succeeds
 232          * or not.
 233          */
 234         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 235         conn->c_protocol = version;
 236         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 237
 238         /* check for inappropriate controls */
 239         if( get_manageDSAit( op ) == SLAP_CRITICAL_CONTROL ) {
 240                 send_ldap_result( conn, op,
 241                         rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
 242                         NULL, "manageDSAit control inappropriate",
 243                         NULL, NULL );
 244                 goto cleanup;
 245         }
 246
 247         /* Set the bindop for the benefit of in-directory SASL lookups */
 248         conn->c_sasl_bindop = op;
 249
 250         if ( method == LDAP_AUTH_SASL ) {
 251                 slap_ssf_t ssf = 0;
 252
 253                 if ( version < LDAP_VERSION3 ) {
 254 #ifdef NEW_LOGGING
 255                         LDAP_LOG( OPERATION, INFO,
 256                                 "do_bind: conn %d  sasl with LDAPv%ld\n",
 257                                 conn->c_connid, (unsigned long)version , 0 );
 258 #else
 259                         Debug( LDAP_DEBUG_ANY, "do_bind: sasl with LDAPv%ld\n",
 260                                 (unsigned long) version, 0, 0 );
 261 #endif
 262                         send_ldap_disconnect( conn, op,
 263                                 LDAP_PROTOCOL_ERROR, "SASL bind requires LDAPv3" );
 264                         rc = SLAPD_DISCONNECT;
 265                         goto cleanup;
 266                 }
 267
 268                 if( mech.bv_len == 0 ) {
 269 #ifdef NEW_LOGGING
 270                         LDAP_LOG( OPERATION, INFO,
 271                                    "do_bind: conn %d  no SASL mechanism provided\n",
 272                                    conn->c_connid, 0, 0 );
 273 #else
 274                         Debug( LDAP_DEBUG_ANY,
 275                                 "do_bind: no sasl mechanism provided\n",
 276                                 0, 0, 0 );
 277 #endif
 278                         send_ldap_result( conn, op, rc = LDAP_AUTH_METHOD_NOT_SUPPORTED,
 279                                 NULL, "no SASL mechanism provided", NULL, NULL );
 280                         goto cleanup;
 281                 }
 282
 283                 /* check restrictions */
 284                 rc = backend_check_restrictions( NULL, conn, op, &mech, &text );
 285                 if( rc != LDAP_SUCCESS ) {
 286                         send_ldap_result( conn, op, rc,
 287                                 NULL, text, NULL, NULL );
 288                         goto cleanup;
 289                 }
 290
 291                 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 292                 if ( conn->c_sasl_bind_in_progress ) {
 293                         if( !bvmatch( &conn->c_sasl_bind_mech, &mech ) ) {
 294                                 /* mechanism changed between bind steps */
 295                                 slap_sasl_reset(conn);
 296                         }
 297                 } else {
 298                         conn->c_sasl_bind_mech = mech;
 299                         mech.bv_val = NULL;
 300                         mech.bv_len = 0;
 301                 }
 302                 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 303
 304                 rc = slap_sasl_bind( conn, op,
 305                         &pdn, &ndn,
 306                         &cred, &edn, &ssf );
 307
 308                 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 309                 if( rc == LDAP_SUCCESS ) {
 310                         conn->c_dn = edn;
 311                         if( edn.bv_len != 0 ) {
 312                                 /* edn is always normalized already */
 313                                 ber_dupbv( &conn->c_ndn, &conn->c_dn );
 314                         }
 315                         conn->c_authmech = conn->c_sasl_bind_mech;
 316                         conn->c_sasl_bind_mech.bv_val = NULL;
 317                         conn->c_sasl_bind_mech.bv_len = 0;
 318                         conn->c_sasl_bind_in_progress = 0;
 319
 320                         conn->c_sasl_ssf = ssf;
 321                         if( ssf > conn->c_ssf ) {
 322                                 conn->c_ssf = ssf;
 323                         }
 324
 325                         if( conn->c_dn.bv_len != 0 ) {
 326                                 ber_len_t max = sockbuf_max_incoming_auth;
 327                                 ber_sockbuf_ctrl( conn->c_sb,
 328                                         LBER_SB_OPT_SET_MAX_INCOMING, &max );
 329                         }
 330
 331                         /* log authorization identity */
 332                         Statslog( LDAP_DEBUG_STATS,
 333                                 "conn=%lu op=%lu AUTHZ dn=\"%s\" mech=%s ssf=%d\n",
 334                                 op->o_connid, op->o_opid,
 335                                 conn->c_dn.bv_val ? conn->c_dn.bv_val : "<empty>",
 336                                 conn->c_authmech.bv_val, ssf );
 337
 338 #ifdef NEW_LOGGING
 339                         LDAP_LOG( OPERATION, DETAIL1,
 340                                 "do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
 341                                 conn->c_authmech.bv_val,
 342                                 conn->c_dn.bv_val ? conn->c_dn.bv_val : "<empty>",
 343                                 ssf );
 344 #else
 345                         Debug( LDAP_DEBUG_TRACE,
 346                                 "do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
 347                                 conn->c_authmech.bv_val,
 348                                 conn->c_dn.bv_val ? conn->c_dn.bv_val : "<empty>",
 349                                 ssf );
 350 #endif
 351
 352                 } else if ( rc == LDAP_SASL_BIND_IN_PROGRESS ) {
 353                         conn->c_sasl_bind_in_progress = 1;
 354
 355                 } else {
 356                         if ( conn->c_sasl_bind_mech.bv_val ) {
 357                                 free( conn->c_sasl_bind_mech.bv_val );
 358                                 conn->c_sasl_bind_mech.bv_val = NULL;
 359                                 conn->c_sasl_bind_mech.bv_len = 0;
 360                         }
 361                         conn->c_sasl_bind_in_progress = 0;
 362                 }
 363                 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 364
 365                 goto cleanup;
 366
 367         } else {
 368                 /* Not SASL, cancel any in-progress bind */
 369                 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 370
 371                 if ( conn->c_sasl_bind_mech.bv_val != NULL ) {
 372                         free(conn->c_sasl_bind_mech.bv_val);
 373                         conn->c_sasl_bind_mech.bv_val = NULL;
 374                         conn->c_sasl_bind_mech.bv_len = 0;
 375                 }
 376                 conn->c_sasl_bind_in_progress = 0;
 377
 378                 slap_sasl_reset( conn );
 379                 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 380         }
 381
 382         if ( method == LDAP_AUTH_SIMPLE ) {
 383                 /* accept "anonymous" binds */
 384                 if ( cred.bv_len == 0 || ndn.bv_len == 0 ) {
 385                         rc = LDAP_SUCCESS;
 386                         text = NULL;
 387
 388                         if( cred.bv_len &&
 389                                 !( global_allows & SLAP_ALLOW_BIND_ANON_CRED ))
 390                         {
 391                                 /* cred is not empty, disallow */
 392                                 rc = LDAP_INVALID_CREDENTIALS;
 393
 394                         } else if ( ndn.bv_len &&
 395                                 !( global_allows & SLAP_ALLOW_BIND_ANON_DN ))
 396                         {
 397                                 /* DN is not empty, disallow */
 398                                 rc = LDAP_UNWILLING_TO_PERFORM;
 399                                 text = "unwilling to allow anonymous bind with non-empty DN";
 400
 401                         } else if ( global_disallows & SLAP_DISALLOW_BIND_ANON ) {
 402                                 /* disallow */
 403                                 rc = LDAP_INAPPROPRIATE_AUTH;
 404                                 text = "anonymous bind disallowed";
 405
 406                         } else {
 407                                 rc = backend_check_restrictions( NULL, conn, op,
 408                                         &mech, &text );
 409                         }
 410
 411                         /*
 412                          * we already forced connection to "anonymous",
 413                          * just need to send success
 414                          */
 415                         send_ldap_result( conn, op, rc,
 416                                 NULL, text, NULL, NULL );
 417 #ifdef NEW_LOGGING
 418                         LDAP_LOG( OPERATION, DETAIL1,
 419                                    "do_bind: conn %d  v%d anonymous bind\n",
 420                                    conn->c_connid, version , 0 );
 421 #else
 422                         Debug( LDAP_DEBUG_TRACE, "do_bind: v%d anonymous bind\n",
 423                                 version, 0, 0 );
 424 #endif
 425                         goto cleanup;
 426
 427                 } else if ( global_disallows & SLAP_DISALLOW_BIND_SIMPLE ) {
 428                         /* disallow simple authentication */
 429                         rc = LDAP_UNWILLING_TO_PERFORM;
 430                         text = "unwilling to perform simple authentication";
 431
 432                         send_ldap_result( conn, op, rc,
 433                                 NULL, text, NULL, NULL );
 434 #ifdef NEW_LOGGING
 435                         LDAP_LOG( OPERATION, INFO,
 436                                    "do_bind: conn %d  v%d simple bind(%s) disallowed\n",
 437                                    conn->c_connid, version, ndn.bv_val );
 438 #else
 439                         Debug( LDAP_DEBUG_TRACE,
 440                                 "do_bind: v%d simple bind(%s) disallowed\n",
 441                                 version, ndn.bv_val, 0 );
 442 #endif
 443                         goto cleanup;
 444
 445                 } else if (( global_disallows & SLAP_DISALLOW_BIND_SIMPLE_UNPROTECTED )
 446                         && ( op->o_ssf <= 1 ))
 447                 {
 448                         rc = LDAP_CONFIDENTIALITY_REQUIRED;
 449                         text = "unwilling to perform simple authentication "
 450                                 "without confidentilty protection";
 451
 452                         send_ldap_result( conn, op, rc,
 453                                 NULL, text, NULL, NULL );
 454
 455 #ifdef NEW_LOGGING
 456                         LDAP_LOG( OPERATION, INFO, "do_bind: conn %d  "
 457                                 "v%d unprotected simple bind(%s) disallowed\n",
 458                                 conn->c_connid, version, ndn.bv_val );
 459 #else
 460                         Debug( LDAP_DEBUG_TRACE,
 461                                 "do_bind: v%d unprotected simple bind(%s) disallowed\n",
 462                                 version, ndn.bv_val, 0 );
 463 #endif
 464                         goto cleanup;
 465                 }
 466
 467 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
 468         } else if ( method == LDAP_AUTH_KRBV41 || method == LDAP_AUTH_KRBV42 ) {
 469                 if ( global_disallows & SLAP_DISALLOW_BIND_KRBV4 ) {
 470                         /* disallow simple authentication */
 471                         rc = LDAP_UNWILLING_TO_PERFORM;
 472                         text = "unwilling to perform Kerberos V4 bind";
 473
 474                         send_ldap_result( conn, op, rc,
 475                                 NULL, text, NULL, NULL );
 476 #ifdef NEW_LOGGING
 477                         LDAP_LOG( OPERATION, DETAIL1,
 478                                    "do_bind: conn %d  v%d Kerberos V4 bind\n",
 479                                    conn->c_connid, version , 0 );
 480 #else
 481                         Debug( LDAP_DEBUG_TRACE, "do_bind: v%d Kerberos V4 bind\n",
 482                                 version, 0, 0 );
 483 #endif
 484                         goto cleanup;
 485                 }
 486 #endif
 487
 488         } else {
 489                 rc = LDAP_AUTH_METHOD_NOT_SUPPORTED;
 490                 text = "unknown authentication method";
 491
 492                 send_ldap_result( conn, op, rc,
 493                         NULL, text, NULL, NULL );
 494 #ifdef NEW_LOGGING
 495                 LDAP_LOG( OPERATION, INFO,
 496                            "do_bind: conn %ld  v%d unknown authentication method (%ld)\n",
 497                            conn->c_connid, version, method );
 498 #else
 499                 Debug( LDAP_DEBUG_TRACE,
 500                         "do_bind: v%d unknown authentication method (%ld)\n",
 501                         version, method, 0 );
 502 #endif
 503                 goto cleanup;
 504         }
 505
 506         /*
 507          * We could be serving multiple database backends.  Select the
 508          * appropriate one, or send a referral to our "referral server"
 509          * if we don't hold it.
 510          */
 511
 512         if ( (be = select_backend( &ndn, 0, 0 )) == NULL ) {
 513                 if ( default_referral ) {
 514                         BerVarray ref = referral_rewrite( default_referral,
 515                                 NULL, &pdn, LDAP_SCOPE_DEFAULT );
 516
 517                         send_ldap_result( conn, op, rc = LDAP_REFERRAL,
 518                                 NULL, NULL, ref ? ref : default_referral, NULL );
 519
 520                         ber_bvarray_free( ref );
 521
 522                 } else {
 523                         /* noSuchObject is not allowed to be returned by bind */
 524                         send_ldap_result( conn, op, rc = LDAP_INVALID_CREDENTIALS,
 525                                 NULL, NULL, NULL, NULL );
 526                 }
 527
 528                 goto cleanup;
 529         }
 530
 531         /* check restrictions */
 532         rc = backend_check_restrictions( be, conn, op, NULL, &text );
 533         if( rc != LDAP_SUCCESS ) {
 534                 send_ldap_result( conn, op, rc,
 535                         NULL, text, NULL, NULL );
 536                 goto cleanup;
 537         }
 538
 539 #if defined( LDAP_SLAPI )
 540         slapi_backend_set_pb( pb, be );
 541         slapi_connection_set_pb( pb, conn );
 542         slapi_operation_set_pb( pb, op );
 543         slapi_pblock_set( pb, SLAPI_BIND_TARGET, (void *)dn.bv_val );
 544         slapi_pblock_set( pb, SLAPI_BIND_METHOD, (void *)method );
 545         slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)(1) );
 546
 547         rc = doPluginFNs( be, SLAPI_PLUGIN_PRE_BIND_FN, pb );
 548         if ( rc != 0 && rc != LDAP_OTHER ) {
 549                 /*
 550                  * either there is no preOp (bind) plugins
 551                  * or a plugin failed. Just log it
 552                  *
 553                  * FIXME: is this correct?
 554                  */
 555 #ifdef NEW_LOGGING
 556                 LDAP_LOG( OPERATION, INFO, "do_bind: Bind preOps failed\n",
 557                                 0, 0, 0);
 558 #else
 559                 Debug(LDAP_DEBUG_TRACE, "do_bind: Bind preOps failed.\n",
 560                                 0, 0, 0);
 561 #endif
 562         }
 563 #endif /* defined( LDAP_SLAPI ) */
 564
 565         if ( be->be_bind ) {
 566                 int ret;
 567
 568                 /* deref suffix alias if appropriate */
 569                 suffix_alias( be, &ndn );
 570
 571                 ret = (*be->be_bind)( be, conn, op,
 572                         &pdn, &ndn, method, &cred, &edn );
 573
 574                 if ( ret == 0 ) {
 575                         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 576
 577                         if( conn->c_authz_backend == NULL ) {
 578                                 conn->c_authz_backend = be;
 579                         }
 580
 581                         if(edn.bv_len) {
 582                                 conn->c_dn = edn;
 583                         } else {
 584                                 conn->c_dn = pdn;
 585                                 pdn.bv_val = NULL;
 586                                 pdn.bv_len = 0;
 587                         }
 588
 589                         conn->c_ndn = ndn;
 590                         ndn.bv_val = NULL;
 591                         ndn.bv_len = 0;
 592
 593                         if( conn->c_dn.bv_len != 0 ) {
 594                                 ber_len_t max = sockbuf_max_incoming_auth;
 595                                 ber_sockbuf_ctrl( conn->c_sb,
 596                                         LBER_SB_OPT_SET_MAX_INCOMING, &max );
 597                         }
 598
 599                         /* log authorization identity */
 600                         Statslog( LDAP_DEBUG_STATS,
 601                                 "conn=%lu op=%lu AUTHZ dn=\"%s\" mech=simple ssf=0\n",
 602                                 op->o_connid, op->o_opid,
 603                                 conn->c_dn.bv_val, conn->c_authmech.bv_val, 0 );
 604
 605 #ifdef NEW_LOGGING
 606                         LDAP_LOG( OPERATION, DETAIL1,
 607                                 "do_bind: v%d bind: \"%s\" to \"%s\" \n",
 608                                 version, conn->c_dn.bv_val, conn->c_dn.bv_val );
 609 #else
 610                         Debug( LDAP_DEBUG_TRACE,
 611                                 "do_bind: v%d bind: \"%s\" to \"%s\"\n",
 612                                 version, dn.bv_val, conn->c_dn.bv_val );
 613 #endif
 614
 615                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 616
 617                         /* send this here to avoid a race condition */
 618                         send_ldap_result( conn, op, LDAP_SUCCESS,
 619                                 NULL, NULL, NULL, NULL );
 620
 621                 } else if (edn.bv_val != NULL) {
 622                         free( edn.bv_val );
 623                 }
 624
 625         } else {
 626                 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
 627                         NULL, "operation not supported within namingContext",
 628                         NULL, NULL );
 629         }
 630
 631 #if defined( LDAP_SLAPI )
 632         rc = doPluginFNs( be, SLAPI_PLUGIN_POST_BIND_FN, pb );
 633         if ( rc != 0 && rc != LDAP_OTHER ) {
 634                 /*
 635                  * either there is no pretOp (bind) plugins
 636                  * or a plugin failed. Just log it
 637                  *
 638                  * FIXME: is this correct?
 639                  */
 640 #ifdef NEW_LOGGING
 641                 LDAP_LOG( OPERATION, INFO, "do_bind: Bind postOps failed\n",
 642                                 0, 0, 0);
 643 #else
 644                 Debug(LDAP_DEBUG_TRACE, "do_bind: Bind postOps failed.\n",
 645                                 0, 0, 0);
 646 #endif
 647         }
 648 #endif /* defined( LDAP_SLAPI ) */
 649
 650 cleanup:
 651         conn->c_sasl_bindop = NULL;
 652
 653         if( pdn.bv_val != NULL ) {
 654                 free( pdn.bv_val );
 655         }
 656         if( ndn.bv_val != NULL ) {
 657                 free( ndn.bv_val );
 658         }
 659         if ( mech.bv_val != NULL ) {
 660                 free( mech.bv_val );
 661         }
 662
 663         return rc;
 664 }