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
  22 #include <stdio.h>
  23
  24 #include <ac/string.h>
  25 #include <ac/socket.h>
  26
  27 #include "ldap_pvt.h"
  28 #include "slap.h"
  29 #include "slapi.h"
  30
  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 #ifdef LDAP_SLAPI
  53         Slapi_PBlock *pb = op->o_pb;
  54 #endif
  55
  56 #ifdef NEW_LOGGING
  57         LDAP_LOG( OPERATION, ENTRY, "do_bind: conn %d\n", conn->c_connid, 0, 0 );
  58 #else
  59         Debug( LDAP_DEBUG_TRACE, "do_bind\n", 0, 0, 0 );
  60 #endif
  61
  62         /*
  63          * Force to connection to "anonymous" until bind succeeds.
  64          */
  65         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
  66         if ( conn->c_sasl_bind_in_progress ) be = conn->c_authz_backend;
  67
  68         /* log authorization identity demotion */
  69         if ( conn->c_dn.bv_len ) {
  70                 Statslog( LDAP_DEBUG_STATS,
  71                         "conn=%lu op=%lu BIND anonymous mech=implicit ssf=0",
  72                         op->o_connid, op->o_opid, 0, 0, 0 );
  73         }
  74
  75         connection2anonymous( conn );
  76         if ( conn->c_sasl_bind_in_progress ) conn->c_authz_backend = be;
  77         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
  78
  79         if ( op->o_dn.bv_val != NULL ) {
  80                 free( op->o_dn.bv_val );
  81                 op->o_dn.bv_val = ch_strdup( "" );
  82                 op->o_dn.bv_len = 0;
  83         }
  84
  85         if ( op->o_ndn.bv_val != NULL ) {
  86                 free( op->o_ndn.bv_val );
  87                 op->o_ndn.bv_val = ch_strdup( "" );
  88                 op->o_ndn.bv_len = 0;
  89         }
  90
  91         /*
  92          * Parse the bind request.  It looks like this:
  93          *
  94          *      BindRequest ::= SEQUENCE {
  95          *              version         INTEGER,                 -- version
  96          *              name            DistinguishedName,       -- dn
  97          *              authentication  CHOICE {
  98          *                      simple          [0] OCTET STRING -- passwd
  99          *                      krbv42ldap      [1] OCTET STRING
 100          *                      krbv42dsa       [2] OCTET STRING
 101          *                      SASL            [3] SaslCredentials
 102          *              }
 103          *      }
 104          *
 105          *      SaslCredentials ::= SEQUENCE {
 106          *              mechanism           LDAPString,
 107          *              credentials         OCTET STRING OPTIONAL
 108          *      }
 109          */
 110
 111         tag = ber_scanf( ber, "{imt" /*}*/, &version, &dn, &method );
 112
 113         if ( tag == LBER_ERROR ) {
 114 #ifdef NEW_LOGGING
 115                 LDAP_LOG( OPERATION, ERR,
 116                         "do_bind: conn %d  ber_scanf failed\n", conn->c_connid, 0, 0 );
 117 #else
 118                 Debug( LDAP_DEBUG_ANY, "bind: ber_scanf failed\n", 0, 0, 0 );
 119 #endif
 120                 send_ldap_disconnect( conn, op,
 121                         LDAP_PROTOCOL_ERROR, "decoding error" );
 122                 rc = -1;
 123                 goto cleanup;
 124         }
 125
 126         op->o_protocol = version;
 127
 128         if( method != LDAP_AUTH_SASL ) {
 129                 tag = ber_scanf( ber, /*{*/ "m}", &cred );
 130
 131         } else {
 132                 tag = ber_scanf( ber, "{o" /*}*/, &mech );
 133
 134                 if ( tag != LBER_ERROR ) {
 135                         ber_len_t len;
 136                         tag = ber_peek_tag( ber, &len );
 137
 138                         if ( tag == LDAP_TAG_LDAPCRED ) {
 139                                 tag = ber_scanf( ber, "m", &cred );
 140                         } else {
 141                                 tag = LDAP_TAG_LDAPCRED;
 142                                 cred.bv_val = NULL;
 143                                 cred.bv_len = 0;
 144                         }
 145
 146                         if ( tag != LBER_ERROR ) {
 147                                 tag = ber_scanf( ber, /*{{*/ "}}" );
 148                         }
 149                 }
 150         }
 151
 152         if ( tag == LBER_ERROR ) {
 153                 send_ldap_disconnect( conn, op,
 154                         LDAP_PROTOCOL_ERROR,
 155                 "decoding error" );
 156                 rc = SLAPD_DISCONNECT;
 157                 goto cleanup;
 158         }
 159
 160         if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
 161 #ifdef NEW_LOGGING
 162                 LDAP_LOG( OPERATION, INFO,
 163                         "do_bind: conn %d  get_ctrls failed\n", conn->c_connid, 0, 0 );
 164 #else
 165                 Debug( LDAP_DEBUG_ANY, "do_bind: get_ctrls failed\n", 0, 0, 0 );
 166 #endif
 167                 goto cleanup;
 168         }
 169
 170         rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn );
 171         if ( rc != LDAP_SUCCESS ) {
 172 #ifdef NEW_LOGGING
 173                 LDAP_LOG( OPERATION, INFO,
 174                         "do_bind: conn %d  invalid dn (%s)\n",
 175                         conn->c_connid, dn.bv_val, 0 );
 176 #else
 177                 Debug( LDAP_DEBUG_ANY, "bind: invalid dn (%s)\n",
 178                         dn.bv_val, 0, 0 );
 179 #endif
 180                 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
 181                     "invalid DN", NULL, NULL );
 182                 goto cleanup;
 183         }
 184
 185         if( method == LDAP_AUTH_SASL ) {
 186 #ifdef NEW_LOGGING
 187                 LDAP_LOG( OPERATION,     DETAIL1,
 188                         "do_sasl_bind: conn %d  dn (%s) mech %s\n",
 189                         conn->c_connid, pdn.bv_val, mech.bv_val );
 190 #else
 191                 Debug( LDAP_DEBUG_TRACE, "do_sasl_bind: dn (%s) mech %s\n",
 192                         pdn.bv_val, mech.bv_val, NULL );
 193 #endif
 194
 195         } else {
 196 #ifdef NEW_LOGGING
 197                 LDAP_LOG( OPERATION, DETAIL1,
 198                         "do_bind: version=%ld dn=\"%s\" method=%ld\n",
 199                         (unsigned long) version, pdn.bv_val, (unsigned long)method );
 200 #else
 201                 Debug( LDAP_DEBUG_TRACE,
 202                         "do_bind: version=%ld dn=\"%s\" method=%ld\n",
 203                         (unsigned long) version,
 204                         pdn.bv_val, (unsigned long) method );
 205 #endif
 206         }
 207
 208         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu BIND dn=\"%s\" method=%ld\n",
 209             op->o_connid, op->o_opid, pdn.bv_val, (unsigned long) method, 0 );
 210
 211         if ( version < LDAP_VERSION_MIN || version > LDAP_VERSION_MAX ) {
 212 #ifdef NEW_LOGGING
 213                 LDAP_LOG( OPERATION, INFO,
 214                         "do_bind: conn %d  unknown version = %ld\n",
 215                         conn->c_connid, (unsigned long)version, 0 );
 216 #else
 217                 Debug( LDAP_DEBUG_ANY, "do_bind: unknown version=%ld\n",
 218                         (unsigned long) version, 0, 0 );
 219 #endif
 220                 send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
 221                         NULL, "requested protocol version not supported", NULL, NULL );
 222                 goto cleanup;
 223
 224         } else if (!( global_allows & SLAP_ALLOW_BIND_V2 ) &&
 225                 version < LDAP_VERSION3 )
 226         {
 227                 send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
 228                         NULL, "requested protocol version not allowed", NULL, NULL );
 229                 goto cleanup;
 230         }
 231
 232         /* we set connection version regardless of whether bind succeeds
 233          * or not.
 234          */
 235         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 236         conn->c_protocol = version;
 237         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 238
 239         /* check for inappropriate controls */
 240         if( get_manageDSAit( op ) == SLAP_CRITICAL_CONTROL ) {
 241                 send_ldap_result( conn, op,
 242                         rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
 243                         NULL, "manageDSAit control inappropriate",
 244                         NULL, NULL );
 245                 goto cleanup;
 246         }
 247
 248         /* Set the bindop for the benefit of in-directory SASL lookups */
 249         conn->c_sasl_bindop = op;
 250
 251         if ( method == LDAP_AUTH_SASL ) {
 252                 slap_ssf_t ssf = 0;
 253
 254                 if ( version < LDAP_VERSION3 ) {
 255 #ifdef NEW_LOGGING
 256                         LDAP_LOG( OPERATION, INFO,
 257                                 "do_bind: conn %d  sasl with LDAPv%ld\n",
 258                                 conn->c_connid, (unsigned long)version , 0 );
 259 #else
 260                         Debug( LDAP_DEBUG_ANY, "do_bind: sasl with LDAPv%ld\n",
 261                                 (unsigned long) version, 0, 0 );
 262 #endif
 263                         send_ldap_disconnect( conn, op,
 264                                 LDAP_PROTOCOL_ERROR, "SASL bind requires LDAPv3" );
 265                         rc = SLAPD_DISCONNECT;
 266                         goto cleanup;
 267                 }
 268
 269                 if( mech.bv_len == 0 ) {
 270 #ifdef NEW_LOGGING
 271                         LDAP_LOG( OPERATION, INFO,
 272                                    "do_bind: conn %d  no SASL mechanism provided\n",
 273                                    conn->c_connid, 0, 0 );
 274 #else
 275                         Debug( LDAP_DEBUG_ANY,
 276                                 "do_bind: no sasl mechanism provided\n",
 277                                 0, 0, 0 );
 278 #endif
 279                         send_ldap_result( conn, op, rc = LDAP_AUTH_METHOD_NOT_SUPPORTED,
 280                                 NULL, "no SASL mechanism provided", NULL, NULL );
 281                         goto cleanup;
 282                 }
 283
 284                 /* check restrictions */
 285                 rc = backend_check_restrictions( NULL, conn, op, &mech, &text );
 286                 if( rc != LDAP_SUCCESS ) {
 287                         send_ldap_result( conn, op, rc,
 288                                 NULL, text, NULL, NULL );
 289                         goto cleanup;
 290                 }
 291
 292                 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 293                 if ( conn->c_sasl_bind_in_progress ) {
 294                         if( !bvmatch( &conn->c_sasl_bind_mech, &mech ) ) {
 295                                 /* mechanism changed between bind steps */
 296                                 slap_sasl_reset(conn);
 297                         }
 298                 } else {
 299                         conn->c_sasl_bind_mech = mech;
 300                         mech.bv_val = NULL;
 301                         mech.bv_len = 0;
 302                 }
 303                 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 304
 305                 rc = slap_sasl_bind( conn, op,
 306                         &pdn, &ndn,
 307                         &cred, &edn, &ssf );
 308
 309                 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 310                 if( rc == LDAP_SUCCESS ) {
 311                         conn->c_dn = edn;
 312                         if( edn.bv_len != 0 ) {
 313                                 /* edn is always normalized already */
 314                                 ber_dupbv( &conn->c_ndn, &conn->c_dn );
 315                         }
 316                         conn->c_authmech = conn->c_sasl_bind_mech;
 317                         conn->c_sasl_bind_mech.bv_val = NULL;
 318                         conn->c_sasl_bind_mech.bv_len = 0;
 319                         conn->c_sasl_bind_in_progress = 0;
 320
 321                         conn->c_sasl_ssf = ssf;
 322                         if( ssf > conn->c_ssf ) {
 323                                 conn->c_ssf = ssf;
 324                         }
 325
 326                         if( conn->c_dn.bv_len != 0 ) {
 327                                 ber_len_t max = sockbuf_max_incoming_auth;
 328                                 ber_sockbuf_ctrl( conn->c_sb,
 329                                         LBER_SB_OPT_SET_MAX_INCOMING, &max );
 330                         }
 331
 332                         /* log authorization identity */
 333                         Statslog( LDAP_DEBUG_STATS,
 334                                 "conn=%lu op=%lu BIND dn=\"%s\" mech=%s ssf=%d\n",
 335                                 op->o_connid, op->o_opid,
 336                                 conn->c_dn.bv_val ? conn->c_dn.bv_val : "<empty>",
 337                                 conn->c_authmech.bv_val, ssf );
 338
 339 #ifdef NEW_LOGGING
 340                         LDAP_LOG( OPERATION, DETAIL1,
 341                                 "do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
 342                                 conn->c_authmech.bv_val,
 343                                 conn->c_dn.bv_val ? conn->c_dn.bv_val : "<empty>",
 344                                 ssf );
 345 #else
 346                         Debug( LDAP_DEBUG_TRACE,
 347                                 "do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
 348                                 conn->c_authmech.bv_val,
 349                                 conn->c_dn.bv_val ? conn->c_dn.bv_val : "<empty>",
 350                                 ssf );
 351 #endif
 352
 353                 } else if ( rc == LDAP_SASL_BIND_IN_PROGRESS ) {
 354                         conn->c_sasl_bind_in_progress = 1;
 355
 356                 } else {
 357                         if ( conn->c_sasl_bind_mech.bv_val ) {
 358                                 free( conn->c_sasl_bind_mech.bv_val );
 359                                 conn->c_sasl_bind_mech.bv_val = NULL;
 360                                 conn->c_sasl_bind_mech.bv_len = 0;
 361                         }
 362                         conn->c_sasl_bind_in_progress = 0;
 363                 }
 364                 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 365
 366                 goto cleanup;
 367
 368         } else {
 369                 /* Not SASL, cancel any in-progress bind */
 370                 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 371
 372                 if ( conn->c_sasl_bind_mech.bv_val != NULL ) {
 373                         free(conn->c_sasl_bind_mech.bv_val);
 374                         conn->c_sasl_bind_mech.bv_val = NULL;
 375                         conn->c_sasl_bind_mech.bv_len = 0;
 376                 }
 377                 conn->c_sasl_bind_in_progress = 0;
 378
 379                 slap_sasl_reset( conn );
 380                 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 381         }
 382
 383         if ( method == LDAP_AUTH_SIMPLE ) {
 384                 /* accept "anonymous" binds */
 385                 if ( cred.bv_len == 0 || ndn.bv_len == 0 ) {
 386                         rc = LDAP_SUCCESS;
 387                         text = NULL;
 388
 389                         if( cred.bv_len &&
 390                                 !( global_allows & SLAP_ALLOW_BIND_ANON_CRED ))
 391                         {
 392                                 /* cred is not empty, disallow */
 393                                 rc = LDAP_INVALID_CREDENTIALS;
 394
 395                         } else if ( ndn.bv_len &&
 396                                 !( global_allows & SLAP_ALLOW_BIND_ANON_DN ))
 397                         {
 398                                 /* DN is not empty, disallow */
 399                                 rc = LDAP_UNWILLING_TO_PERFORM;
 400                                 text = "unwilling to allow anonymous bind with non-empty DN";
 401
 402                         } else if ( global_disallows & SLAP_DISALLOW_BIND_ANON ) {
 403                                 /* disallow */
 404                                 rc = LDAP_INAPPROPRIATE_AUTH;
 405                                 text = "anonymous bind disallowed";
 406
 407                         } else {
 408                                 rc = backend_check_restrictions( NULL, conn, op,
 409                                         &mech, &text );
 410                         }
 411
 412                         /*
 413                          * we already forced connection to "anonymous",
 414                          * just need to send success
 415                          */
 416                         send_ldap_result( conn, op, rc,
 417                                 NULL, text, NULL, NULL );
 418 #ifdef NEW_LOGGING
 419                         LDAP_LOG( OPERATION, DETAIL1,
 420                                    "do_bind: conn %d  v%d anonymous bind\n",
 421                                    conn->c_connid, version , 0 );
 422 #else
 423                         Debug( LDAP_DEBUG_TRACE, "do_bind: v%d anonymous bind\n",
 424                                 version, 0, 0 );
 425 #endif
 426                         goto cleanup;
 427
 428                 } else if ( global_disallows & SLAP_DISALLOW_BIND_SIMPLE ) {
 429                         /* disallow simple authentication */
 430                         rc = LDAP_UNWILLING_TO_PERFORM;
 431                         text = "unwilling to perform simple authentication";
 432
 433                         send_ldap_result( conn, op, rc,
 434                                 NULL, text, NULL, NULL );
 435 #ifdef NEW_LOGGING
 436                         LDAP_LOG( OPERATION, INFO,
 437                                    "do_bind: conn %d  v%d simple bind(%s) disallowed\n",
 438                                    conn->c_connid, version, ndn.bv_val );
 439 #else
 440                         Debug( LDAP_DEBUG_TRACE,
 441                                 "do_bind: v%d simple bind(%s) disallowed\n",
 442                                 version, ndn.bv_val, 0 );
 443 #endif
 444                         goto cleanup;
 445
 446                 } else if (( global_disallows & SLAP_DISALLOW_BIND_SIMPLE_UNPROTECTED )
 447                         && ( op->o_ssf <= 1 ))
 448                 {
 449                         rc = LDAP_CONFIDENTIALITY_REQUIRED;
 450                         text = "unwilling to perform simple authentication "
 451                                 "without confidentilty protection";
 452
 453                         send_ldap_result( conn, op, rc,
 454                                 NULL, text, NULL, NULL );
 455
 456 #ifdef NEW_LOGGING
 457                         LDAP_LOG( OPERATION, INFO, "do_bind: conn %d  "
 458                                 "v%d unprotected simple bind(%s) disallowed\n",
 459                                 conn->c_connid, version, ndn.bv_val );
 460 #else
 461                         Debug( LDAP_DEBUG_TRACE,
 462                                 "do_bind: v%d unprotected simple bind(%s) disallowed\n",
 463                                 version, ndn.bv_val, 0 );
 464 #endif
 465                         goto cleanup;
 466                 }
 467
 468 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
 469         } else if ( method == LDAP_AUTH_KRBV41 || method == LDAP_AUTH_KRBV42 ) {
 470                 if ( global_disallows & SLAP_DISALLOW_BIND_KRBV4 ) {
 471                         /* disallow simple authentication */
 472                         rc = LDAP_UNWILLING_TO_PERFORM;
 473                         text = "unwilling to perform Kerberos V4 bind";
 474
 475                         send_ldap_result( conn, op, rc,
 476                                 NULL, text, NULL, NULL );
 477 #ifdef NEW_LOGGING
 478                         LDAP_LOG( OPERATION, DETAIL1,
 479                                    "do_bind: conn %d  v%d Kerberos V4 bind\n",
 480                                    conn->c_connid, version , 0 );
 481 #else
 482                         Debug( LDAP_DEBUG_TRACE, "do_bind: v%d Kerberos V4 bind\n",
 483                                 version, 0, 0 );
 484 #endif
 485                         goto cleanup;
 486                 }
 487 #endif
 488
 489         } else {
 490                 rc = LDAP_AUTH_METHOD_NOT_SUPPORTED;
 491                 text = "unknown authentication method";
 492
 493                 send_ldap_result( conn, op, rc,
 494                         NULL, text, NULL, NULL );
 495 #ifdef NEW_LOGGING
 496                 LDAP_LOG( OPERATION, INFO,
 497                            "do_bind: conn %ld  v%d unknown authentication method (%ld)\n",
 498                            conn->c_connid, version, method );
 499 #else
 500                 Debug( LDAP_DEBUG_TRACE,
 501                         "do_bind: v%d unknown authentication method (%ld)\n",
 502                         version, method, 0 );
 503 #endif
 504                 goto cleanup;
 505         }
 506
 507         /*
 508          * We could be serving multiple database backends.  Select the
 509          * appropriate one, or send a referral to our "referral server"
 510          * if we don't hold it.
 511          */
 512
 513         if ( (be = select_backend( &ndn, 0, 0 )) == NULL ) {
 514                 if ( default_referral ) {
 515                         BerVarray ref = referral_rewrite( default_referral,
 516                                 NULL, &pdn, LDAP_SCOPE_DEFAULT );
 517
 518                         send_ldap_result( conn, op, rc = LDAP_REFERRAL,
 519                                 NULL, NULL, ref ? ref : default_referral, NULL );
 520
 521                         ber_bvarray_free( ref );
 522
 523                 } else {
 524                         /* noSuchObject is not allowed to be returned by bind */
 525                         send_ldap_result( conn, op, rc = LDAP_INVALID_CREDENTIALS,
 526                                 NULL, NULL, NULL, NULL );
 527                 }
 528
 529                 goto cleanup;
 530         }
 531
 532         /* check restrictions */
 533         rc = backend_check_restrictions( be, conn, op, NULL, &text );
 534         if( rc != LDAP_SUCCESS ) {
 535                 send_ldap_result( conn, op, rc,
 536                         NULL, text, NULL, NULL );
 537                 goto cleanup;
 538         }
 539
 540 #if defined( LDAP_SLAPI )
 541         slapi_x_backend_set_pb( pb, be );
 542         slapi_x_connection_set_pb( pb, conn );
 543         slapi_x_operation_set_pb( pb, op );
 544         slapi_pblock_set( pb, SLAPI_BIND_TARGET, (void *)dn.bv_val );
 545         slapi_pblock_set( pb, SLAPI_BIND_METHOD, (void *)method );
 546         slapi_pblock_set( pb, SLAPI_BIND_CREDENTIALS, (void *)&cred );
 547         slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)(0) );
 548
 549         rc = doPluginFNs( be, SLAPI_PLUGIN_PRE_BIND_FN, pb );
 550         if ( rc != SLAPI_BIND_SUCCESS ) {
 551                 /*
 552                  * Binding is a special case for SLAPI plugins. It is
 553                  * possible for a bind plugin to be successful *and*
 554                  * abort further processing; this means it has handled
 555                  * a bind request authoritatively. If we have reached
 556                  * here, a result has been sent to the client (XXX
 557                  * need to check with Sun whether SLAPI_BIND_ANONYMOUS
 558                  * means a result has been sent).
 559                  */
 560                 int ldapRc;
 561
 562                 if ( slapi_pblock_get( pb, SLAPI_RESULT_CODE, (void *)&ldapRc ) != 0 )
 563                         ldapRc = LDAP_OTHER;
 564
 565                 edn.bv_val = NULL;
 566                 edn.bv_len = 0;
 567                 if ( rc != SLAPI_BIND_FAIL && ldapRc == LDAP_SUCCESS ) {
 568                         /* Set the new connection DN. */
 569                         if ( rc != SLAPI_BIND_ANONYMOUS ) {
 570                                 slapi_pblock_get( pb, SLAPI_CONN_DN, (void *)&edn.bv_val );
 571                         }
 572                         rc = dnPrettyNormal( NULL, &edn, &pdn, &ndn );
 573                         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 574                         conn->c_dn = pdn;
 575                         conn->c_ndn = ndn;
 576                         pdn.bv_val = NULL;
 577                         pdn.bv_len = 0;
 578                         ndn.bv_val = NULL;
 579                         ndn.bv_len = 0;
 580                         if ( conn->c_dn.bv_len != 0 ) {
 581                                 ber_len_t max = sockbuf_max_incoming_auth;
 582                                 ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_SET_MAX_INCOMING, &max );
 583                         }
 584                         /* log authorization identity */
 585                         Statslog( LDAP_DEBUG_STATS,
 586                                 "conn=%lu op=%lu BIND dn=\"%s\" mech=simple (SLAPI) ssf=0\n",
 587                                 op->o_connid, op->o_opid,
 588                                 conn->c_dn.bv_val, 0, 0 );
 589                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 590                 }
 591 #ifdef NEW_LOGGING
 592                 LDAP_LOG( OPERATION, INFO, "do_bind: Bind preoperation plugin returned %d\n",
 593                                 rc, 0, 0);
 594 #else
 595                 Debug(LDAP_DEBUG_TRACE, "do_bind: Bind preoperation plugin returned %d.\n",
 596                                 rc, 0, 0);
 597 #endif
 598                 rc = ldapRc;
 599                 goto cleanup;
 600         }
 601 #endif /* defined( LDAP_SLAPI ) */
 602
 603         if ( be->be_bind ) {
 604                 int ret;
 605
 606                 /* deref suffix alias if appropriate */
 607                 suffix_alias( be, &ndn );
 608
 609                 ret = (*be->be_bind)( be, conn, op,
 610                         &pdn, &ndn, method, &cred, &edn );
 611
 612                 if ( ret == 0 ) {
 613                         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 614
 615                         if( conn->c_authz_backend == NULL ) {
 616                                 conn->c_authz_backend = be;
 617                         }
 618
 619                         if(edn.bv_len) {
 620                                 conn->c_dn = edn;
 621                         } else {
 622                                 conn->c_dn = pdn;
 623                                 pdn.bv_val = NULL;
 624                                 pdn.bv_len = 0;
 625                         }
 626
 627                         conn->c_ndn = ndn;
 628                         ndn.bv_val = NULL;
 629                         ndn.bv_len = 0;
 630
 631                         if( conn->c_dn.bv_len != 0 ) {
 632                                 ber_len_t max = sockbuf_max_incoming_auth;
 633                                 ber_sockbuf_ctrl( conn->c_sb,
 634                                         LBER_SB_OPT_SET_MAX_INCOMING, &max );
 635                         }
 636
 637                         /* log authorization identity */
 638                         Statslog( LDAP_DEBUG_STATS,
 639                                 "conn=%lu op=%lu BIND dn=\"%s\" mech=simple ssf=0\n",
 640                                 op->o_connid, op->o_opid,
 641                                 conn->c_dn.bv_val, conn->c_authmech.bv_val, 0 );
 642
 643 #ifdef NEW_LOGGING
 644                         LDAP_LOG( OPERATION, DETAIL1,
 645                                 "do_bind: v%d bind: \"%s\" to \"%s\" \n",
 646                                 version, conn->c_dn.bv_val, conn->c_dn.bv_val );
 647 #else
 648                         Debug( LDAP_DEBUG_TRACE,
 649                                 "do_bind: v%d bind: \"%s\" to \"%s\"\n",
 650                                 version, dn.bv_val, conn->c_dn.bv_val );
 651 #endif
 652
 653                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 654
 655                         /* send this here to avoid a race condition */
 656                         send_ldap_result( conn, op, LDAP_SUCCESS,
 657                                 NULL, NULL, NULL, NULL );
 658
 659                 } else if (edn.bv_val != NULL) {
 660                         free( edn.bv_val );
 661                 }
 662
 663         } else {
 664                 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
 665                         NULL, "operation not supported within namingContext",
 666                         NULL, NULL );
 667         }
 668
 669 #if defined( LDAP_SLAPI )
 670         if ( doPluginFNs( be, SLAPI_PLUGIN_POST_BIND_FN, pb ) != 0 ) {
 671 #ifdef NEW_LOGGING
 672                 LDAP_LOG( OPERATION, INFO, "do_bind: Bind postoperation plugins failed\n",
 673                                 0, 0, 0);
 674 #else
 675                 Debug(LDAP_DEBUG_TRACE, "do_bind: Bind postoperation plugins failed.\n",
 676                                 0, 0, 0);
 677 #endif
 678         }
 679 #endif /* defined( LDAP_SLAPI ) */
 680
 681 cleanup:
 682         conn->c_sasl_bindop = NULL;
 683
 684         if( pdn.bv_val != NULL ) {
 685                 free( pdn.bv_val );
 686         }
 687         if( ndn.bv_val != NULL ) {
 688                 free( ndn.bv_val );
 689         }
 690         if ( mech.bv_val != NULL ) {
 691                 free( mech.bv_val );
 692         }
 693
 694         return rc;
 695 }