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 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2004 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
  17  * All rights reserved.
  18  *
  19  * Redistribution and use in source and binary forms are permitted
  20  * provided that this notice is preserved and that due credit is given
  21  * to the University of Michigan at Ann Arbor. The name of the University
  22  * may not be used to endorse or promote products derived from this
  23  * software without specific prior written permission. This software
  24  * is provided ``as is'' without express or implied warranty.
  25  */
  26
  27 #include "portable.h"
  28
  29 #include <stdio.h>
  30
  31 #include <ac/string.h>
  32 #include <ac/socket.h>
  33
  34 #include "slap.h"
  35 #ifdef LDAP_SLAPI
  36 #include "slapi/slapi.h"
  37 #endif
  38
  39
  40 int
  41 do_bind(
  42     Operation   *op,
  43     SlapReply   *rs )
  44 {
  45         BerElement *ber = op->o_ber;
  46         ber_int_t version;
  47         ber_tag_t method;
  48         struct berval mech = BER_BVNULL;
  49         struct berval dn = BER_BVNULL;
  50         ber_tag_t tag;
  51         Backend *be = NULL;
  52
  53         Debug( LDAP_DEBUG_TRACE, "do_bind\n", 0, 0, 0 );
  54
  55         /*
  56          * Force to connection to "anonymous" until bind succeeds.
  57          */
  58         ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
  59         if ( op->o_conn->c_sasl_bind_in_progress ) {
  60                 be = op->o_conn->c_authz_backend;
  61         }
  62         if ( !BER_BVISEMPTY( &op->o_conn->c_dn ) ) {
  63                 /* log authorization identity demotion */
  64                 Statslog( LDAP_DEBUG_STATS,
  65                         "%s BIND anonymous mech=implicit ssf=0\n",
  66                         op->o_log_prefix, 0, 0, 0, 0 );
  67         }
  68         connection2anonymous( op->o_conn );
  69         if ( op->o_conn->c_sasl_bind_in_progress ) {
  70                 op->o_conn->c_authz_backend = be;
  71         }
  72         ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
  73         if ( !BER_BVISNULL( &op->o_dn ) ) {
  74                 /* NOTE: temporarily wasting few bytes
  75                  * (until bind is completed), but saving
  76                  * a couple of ch_free() and ch_strdup("") */
  77                 op->o_dn.bv_val[0] = '\0';
  78                 op->o_dn.bv_len = 0;
  79         }
  80         if ( !BER_BVISNULL( &op->o_ndn ) ) {
  81                 op->o_ndn.bv_val[0] = '\0';
  82                 op->o_ndn.bv_len = 0;
  83         }
  84
  85         /*
  86          * Parse the bind request.  It looks like this:
  87          *
  88          *      BindRequest ::= SEQUENCE {
  89          *              version         INTEGER,                 -- version
  90          *              name            DistinguishedName,       -- dn
  91          *              authentication  CHOICE {
  92          *                      simple          [0] OCTET STRING -- passwd
  93          *                      krbv42ldap      [1] OCTET STRING
  94          *                      krbv42dsa       [2] OCTET STRING
  95          *                      SASL            [3] SaslCredentials
  96          *              }
  97          *      }
  98          *
  99          *      SaslCredentials ::= SEQUENCE {
 100          *              mechanism           LDAPString,
 101          *              credentials         OCTET STRING OPTIONAL
 102          *      }
 103          */
 104
 105         tag = ber_scanf( ber, "{imt" /*}*/, &version, &dn, &method );
 106
 107         if ( tag == LBER_ERROR ) {
 108                 Debug( LDAP_DEBUG_ANY, "bind: ber_scanf failed\n", 0, 0, 0 );
 109                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
 110                 rs->sr_err = SLAPD_DISCONNECT;
 111                 goto cleanup;
 112         }
 113
 114         op->o_protocol = version;
 115         op->orb_method = method;
 116
 117         if( op->orb_method != LDAP_AUTH_SASL ) {
 118                 tag = ber_scanf( ber, /*{*/ "m}", &op->orb_cred );
 119
 120         } else {
 121                 tag = ber_scanf( ber, "{m" /*}*/, &mech );
 122
 123                 if ( tag != LBER_ERROR ) {
 124                         ber_len_t len;
 125                         tag = ber_peek_tag( ber, &len );
 126
 127                         if ( tag == LDAP_TAG_LDAPCRED ) {
 128                                 tag = ber_scanf( ber, "m", &op->orb_cred );
 129                         } else {
 130                                 tag = LDAP_TAG_LDAPCRED;
 131                                 BER_BVZERO( &op->orb_cred );
 132                         }
 133
 134                         if ( tag != LBER_ERROR ) {
 135                                 tag = ber_scanf( ber, /*{{*/ "}}" );
 136                         }
 137                 }
 138         }
 139
 140         if ( tag == LBER_ERROR ) {
 141                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
 142                 rs->sr_err = SLAPD_DISCONNECT;
 143                 goto cleanup;
 144         }
 145
 146         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 147                 Debug( LDAP_DEBUG_ANY, "do_bind: get_ctrls failed\n", 0, 0, 0 );
 148                 goto cleanup;
 149         }
 150
 151         /* We use the tmpmemctx here because it speeds up normalization.
 152          * However, we must dup with regular malloc when storing any
 153          * resulting DNs in the op or conn structures.
 154          */
 155         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
 156                 op->o_tmpmemctx );
 157         if ( rs->sr_err != LDAP_SUCCESS ) {
 158                 Debug( LDAP_DEBUG_ANY, "bind: invalid dn (%s)\n",
 159                         dn.bv_val, 0, 0 );
 160                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 161                 goto cleanup;
 162         }
 163
 164         if( op->orb_method == LDAP_AUTH_SASL ) {
 165                 Debug( LDAP_DEBUG_TRACE, "do_sasl_bind: dn (%s) mech %s\n",
 166                         op->o_req_dn.bv_val, mech.bv_val, NULL );
 167
 168         } else {
 169                 Debug( LDAP_DEBUG_TRACE,
 170                         "do_bind: version=%ld dn=\"%s\" method=%ld\n",
 171                         (unsigned long) version, op->o_req_dn.bv_val,
 172                         (unsigned long) op->orb_method );
 173         }
 174
 175         Statslog( LDAP_DEBUG_STATS, "%s BIND dn=\"%s\" method=%ld\n",
 176             op->o_log_prefix, op->o_req_dn.bv_val,
 177                 (unsigned long) op->orb_method, 0, 0 );
 178
 179         if ( version < LDAP_VERSION_MIN || version > LDAP_VERSION_MAX ) {
 180                 Debug( LDAP_DEBUG_ANY, "do_bind: unknown version=%ld\n",
 181                         (unsigned long) version, 0, 0 );
 182                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 183                         "requested protocol version not supported" );
 184                 goto cleanup;
 185
 186         } else if (!( SLAPD_GLOBAL(allows) & SLAP_ALLOW_BIND_V2 ) &&
 187                 version < LDAP_VERSION3 )
 188         {
 189                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 190                         "historical protocol version requested, use LDAPv3 instead" );
 191                 goto cleanup;
 192         }
 193
 194         /*
 195          * we set connection version regardless of whether bind succeeds or not.
 196          */
 197         ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 198         op->o_conn->c_protocol = version;
 199         ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 200
 201         op->orb_tmp_mech = mech;
 202
 203         op->o_bd = frontendDB;
 204         rs->sr_err = frontendDB->be_bind( op, rs );
 205
 206 cleanup:
 207         if ( rs->sr_err == LDAP_SUCCESS ) {
 208                 if ( op->orb_method != LDAP_AUTH_SASL ) {
 209                         ber_dupbv( &op->o_conn->c_authmech, &mech );
 210                 }
 211                 op->o_conn->c_authtype = op->orb_method;
 212         }
 213
 214         op->o_conn->c_sasl_bindop = NULL;
 215
 216         if( !BER_BVISNULL( &op->o_req_dn ) ) {
 217                 slap_sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
 218                 BER_BVZERO( &op->o_req_dn );
 219         }
 220         if( !BER_BVISNULL( &op->o_req_ndn ) ) {
 221                 slap_sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 222                 BER_BVZERO( &op->o_req_ndn );
 223         }
 224
 225         return rs->sr_err;
 226 }
 227
 228 int
 229 fe_op_bind( Operation *op, SlapReply *rs )
 230 {
 231         struct berval   mech = op->orb_tmp_mech;
 232
 233         /* check for inappropriate controls */
 234         if( get_manageDSAit( op ) == SLAP_CRITICAL_CONTROL ) {
 235                 send_ldap_error( op, rs,
 236                         LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
 237                         "manageDSAit control inappropriate" );
 238                 goto cleanup;
 239         }
 240
 241         /* Set the bindop for the benefit of in-directory SASL lookups */
 242         op->o_conn->c_sasl_bindop = op;
 243
 244         if ( op->orb_method == LDAP_AUTH_SASL ) {
 245                 if ( op->o_protocol < LDAP_VERSION3 ) {
 246                         Debug( LDAP_DEBUG_ANY, "do_bind: sasl with LDAPv%ld\n",
 247                                 (unsigned long)op->o_protocol, 0, 0 );
 248                         send_ldap_discon( op, rs,
 249                                 LDAP_PROTOCOL_ERROR, "SASL bind requires LDAPv3" );
 250                         rs->sr_err = SLAPD_DISCONNECT;
 251                         goto cleanup;
 252                 }
 253
 254                 if( BER_BVISNULL( &mech ) || BER_BVISEMPTY( &mech ) ) {
 255                         Debug( LDAP_DEBUG_ANY,
 256                                 "do_bind: no sasl mechanism provided\n",
 257                                 0, 0, 0 );
 258                         send_ldap_error( op, rs, LDAP_AUTH_METHOD_NOT_SUPPORTED,
 259                                 "no SASL mechanism provided" );
 260                         goto cleanup;
 261                 }
 262
 263                 /* check restrictions */
 264                 if( backend_check_restrictions( op, rs, &mech ) != LDAP_SUCCESS ) {
 265                         send_ldap_result( op, rs );
 266                         goto cleanup;
 267                 }
 268
 269                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 270                 if ( op->o_conn->c_sasl_bind_in_progress ) {
 271                         if( !bvmatch( &op->o_conn->c_sasl_bind_mech, &mech ) ) {
 272                                 /* mechanism changed between bind steps */
 273                                 slap_sasl_reset(op->o_conn);
 274                         }
 275                 } else {
 276                         ber_dupbv(&op->o_conn->c_sasl_bind_mech, &mech);
 277                 }
 278                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 279
 280                 rs->sr_err = slap_sasl_bind( op, rs );
 281
 282                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 283                 if( rs->sr_err == LDAP_SUCCESS ) {
 284                         ber_dupbv(&op->o_conn->c_dn, &op->orb_edn);
 285                         if( !BER_BVISEMPTY( &op->orb_edn ) ) {
 286                                 /* edn is always normalized already */
 287                                 ber_dupbv( &op->o_conn->c_ndn, &op->o_conn->c_dn );
 288                         }
 289                         op->o_tmpfree( op->orb_edn.bv_val, op->o_tmpmemctx );
 290                         BER_BVZERO( &op->orb_edn );
 291                         op->o_conn->c_authmech = op->o_conn->c_sasl_bind_mech;
 292                         BER_BVZERO( &op->o_conn->c_sasl_bind_mech );
 293                         op->o_conn->c_sasl_bind_in_progress = 0;
 294
 295                         op->o_conn->c_sasl_ssf = op->orb_ssf;
 296                         if( op->orb_ssf > op->o_conn->c_ssf ) {
 297                                 op->o_conn->c_ssf = op->orb_ssf;
 298                         }
 299
 300                         if( !BER_BVISEMPTY( &op->o_conn->c_dn ) ) {
 301                                 ber_len_t max = SLAPD_GLOBAL(sockbuf_max_incoming_auth);
 302                                 ber_sockbuf_ctrl( op->o_conn->c_sb,
 303                                         LBER_SB_OPT_SET_MAX_INCOMING, &max );
 304                         }
 305
 306                         /* log authorization identity */
 307                         Statslog( LDAP_DEBUG_STATS,
 308                                 "%s BIND dn=\"%s\" mech=%s ssf=%d\n",
 309                                 op->o_log_prefix,
 310                                 BER_BVISNULL( &op->o_conn->c_dn ) ? "<empty>" : op->o_conn->c_dn.bv_val,
 311                                 op->o_conn->c_authmech.bv_val, op->orb_ssf, 0 );
 312
 313                         Debug( LDAP_DEBUG_TRACE,
 314                                 "do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
 315                                 op->o_conn->c_authmech.bv_val,
 316                                 BER_BVISNULL( &op->o_conn->c_dn ) ? "<empty>" : op->o_conn->c_dn.bv_val,
 317                                 op->orb_ssf );
 318
 319                 } else if ( rs->sr_err == LDAP_SASL_BIND_IN_PROGRESS ) {
 320                         op->o_conn->c_sasl_bind_in_progress = 1;
 321
 322                 } else {
 323                         if ( !BER_BVISNULL( &op->o_conn->c_sasl_bind_mech ) ) {
 324                                 free( op->o_conn->c_sasl_bind_mech.bv_val );
 325                                 BER_BVZERO( &op->o_conn->c_sasl_bind_mech );
 326                         }
 327                         op->o_conn->c_sasl_bind_in_progress = 0;
 328                 }
 329
 330 #ifdef LDAP_SLAPI
 331 #define pb      op->o_pb
 332                 /*
 333                  * Normally post-operation plugins are called only after the
 334                  * backend operation. Because the front-end performs SASL
 335                  * binds on behalf of the backend, we'll make a special
 336                  * exception to call the post-operation plugins after a
 337                  * SASL bind.
 338                  */
 339                 if ( pb ) {
 340                         slapi_int_pblock_set_operation( pb, op );
 341                         slapi_pblock_set( pb, SLAPI_BIND_TARGET, (void *)op->o_req_dn.bv_val );
 342                         slapi_pblock_set( pb, SLAPI_BIND_METHOD, (void *)op->orb_method );
 343                         slapi_pblock_set( pb,
 344                                 SLAPI_BIND_CREDENTIALS, (void *)&op->orb_cred );
 345                         slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)(0) );
 346                         (void) slapi_int_call_plugins( op->o_bd,
 347                                 SLAPI_PLUGIN_POST_BIND_FN, pb );
 348                 }
 349 #endif /* LDAP_SLAPI */
 350
 351                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 352
 353                 goto cleanup;
 354
 355         } else {
 356                 /* Not SASL, cancel any in-progress bind */
 357                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 358
 359                 if ( !BER_BVISNULL( &op->o_conn->c_sasl_bind_mech ) ) {
 360                         free( op->o_conn->c_sasl_bind_mech.bv_val );
 361                         BER_BVZERO( &op->o_conn->c_sasl_bind_mech );
 362                 }
 363                 op->o_conn->c_sasl_bind_in_progress = 0;
 364
 365                 slap_sasl_reset( op->o_conn );
 366                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 367         }
 368
 369         if ( op->orb_method == LDAP_AUTH_SIMPLE ) {
 370                 BER_BVSTR( &mech, "SIMPLE" );
 371                 /* accept "anonymous" binds */
 372                 if ( BER_BVISEMPTY( &op->orb_cred ) || BER_BVISEMPTY( &op->o_req_ndn ) ) {
 373                         rs->sr_err = LDAP_SUCCESS;
 374
 375                         if( !BER_BVISEMPTY( &op->orb_cred ) &&
 376                                 !( SLAPD_GLOBAL(allows) & SLAP_ALLOW_BIND_ANON_CRED ))
 377                         {
 378                                 /* cred is not empty, disallow */
 379                                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 380
 381                         } else if ( !BER_BVISEMPTY( &op->o_req_ndn ) &&
 382                                 !( SLAPD_GLOBAL(allows) & SLAP_ALLOW_BIND_ANON_DN ))
 383                         {
 384                                 /* DN is not empty, disallow */
 385                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 386                                 rs->sr_text =
 387                                         "unauthenticated bind (DN with no password) disallowed";
 388
 389                         } else if ( SLAPD_GLOBAL(disallows) & SLAP_DISALLOW_BIND_ANON ) {
 390                                 /* disallow */
 391                                 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
 392                                 rs->sr_text = "anonymous bind disallowed";
 393
 394                         } else {
 395                                 backend_check_restrictions( op, rs, &mech );
 396                         }
 397
 398                         /*
 399                          * we already forced connection to "anonymous",
 400                          * just need to send success
 401                          */
 402                         send_ldap_result( op, rs );
 403                         Debug( LDAP_DEBUG_TRACE, "do_bind: v%d anonymous bind\n",
 404                                 op->o_protocol, 0, 0 );
 405                         goto cleanup;
 406
 407                 } else if ( SLAPD_GLOBAL(disallows) & SLAP_DISALLOW_BIND_SIMPLE ) {
 408                         /* disallow simple authentication */
 409                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 410                         rs->sr_text = "unwilling to perform simple authentication";
 411
 412                         send_ldap_result( op, rs );
 413                         Debug( LDAP_DEBUG_TRACE,
 414                                 "do_bind: v%d simple bind(%s) disallowed\n",
 415                                 op->o_protocol, op->o_req_ndn.bv_val, 0 );
 416                         goto cleanup;
 417                 }
 418
 419 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
 420         } else if ( op->orb_method == LDAP_AUTH_KRBV41 ) {
 421                 if ( SLAPD_GLOBAL(disallows) & SLAP_DISALLOW_BIND_KRBV4 ) {
 422                         /* disallow krbv4 authentication */
 423                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 424                         rs->sr_text = "unwilling to perform Kerberos V4 bind";
 425
 426                         send_ldap_result( op, rs );
 427
 428                         Debug( LDAP_DEBUG_TRACE,
 429                                 "do_bind: v%d Kerberos V4 (step 1) bind refused\n",
 430                                 op->o_protocol, 0, 0 );
 431                         goto cleanup;
 432                 }
 433                 BER_BVSTR( &mech, "KRBV4" );
 434
 435         } else if ( op->orb_method == LDAP_AUTH_KRBV42 ) {
 436                 rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
 437                 rs->sr_text = "Kerberos V4 (step 2) bind not supported";
 438                 send_ldap_result( op, rs );
 439
 440                 Debug( LDAP_DEBUG_TRACE,
 441                         "do_bind: v%d Kerberos V4 (step 2) bind refused\n",
 442                         op->o_protocol, 0, 0 );
 443                 goto cleanup;
 444 #endif
 445
 446         } else {
 447                 rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
 448                 rs->sr_text = "unknown authentication method";
 449
 450                 send_ldap_result( op, rs );
 451                 Debug( LDAP_DEBUG_TRACE,
 452                         "do_bind: v%d unknown authentication method (%ld)\n",
 453                         op->o_protocol, op->orb_method, 0 );
 454                 goto cleanup;
 455         }
 456
 457         /*
 458          * We could be serving multiple database backends.  Select the
 459          * appropriate one, or send a referral to our "referral server"
 460          * if we don't hold it.
 461          */
 462
 463         if ( (op->o_bd = select_backend( &op->o_req_ndn, 0, 0 )) == NULL ) {
 464                 /* don't return referral for bind requests */
 465                 /* noSuchObject is not allowed to be returned by bind */
 466                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 467                 send_ldap_result( op, rs );
 468                 goto cleanup;
 469         }
 470
 471         /* check restrictions */
 472         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 473                 send_ldap_result( op, rs );
 474                 goto cleanup;
 475         }
 476
 477 #ifdef LDAP_SLAPI
 478         if ( pb ) {
 479                 int rc;
 480                 slapi_int_pblock_set_operation( pb, op );
 481                 slapi_pblock_set( pb, SLAPI_BIND_TARGET, (void *)op->o_req_dn.bv_val );
 482                 slapi_pblock_set( pb, SLAPI_BIND_METHOD, (void *)op->orb_method );
 483                 slapi_pblock_set( pb, SLAPI_BIND_CREDENTIALS, (void *)&op->orb_cred );
 484                 slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)(0) );
 485                 slapi_pblock_set( pb, SLAPI_CONN_DN, (void *)(0) );
 486
 487                 rc = slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_PRE_BIND_FN, pb );
 488
 489                 Debug(LDAP_DEBUG_TRACE,
 490                         "do_bind: Bind preoperation plugin returned %d.\n",
 491                         rs->sr_err, 0, 0);
 492
 493                 switch ( rc ) {
 494                 case SLAPI_BIND_SUCCESS:
 495                         /* Continue with backend processing */
 496                         break;
 497                 case SLAPI_BIND_FAIL:
 498                         /* Failure, server sends result */
 499                         rs->sr_err = LDAP_INVALID_CREDENTIALS;
 500                         send_ldap_result( op, rs );
 501                         goto cleanup;
 502                         break;
 503                 case SLAPI_BIND_ANONYMOUS:
 504                         /* SLAPI_BIND_ANONYMOUS is undocumented XXX */
 505                 default:
 506                         /* Authoritative, plugin sent result, or no plugins called. */
 507                         if ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE,
 508                                 (void *)&rs->sr_err) != 0 )
 509                         {
 510                                 rs->sr_err = LDAP_OTHER;
 511                         }
 512
 513                         BER_BVZERO( &op->orb_edn );
 514
 515                         if ( rs->sr_err == LDAP_SUCCESS ) {
 516                                 slapi_pblock_get( pb, SLAPI_CONN_DN,
 517                                         (void *)&op->orb_edn.bv_val );
 518                                 if ( BER_BVISNULL( &op->orb_edn ) ) {
 519                                         if ( rc == 1 ) {
 520                                                 /* No plugins were called; continue. */
 521                                                 break;
 522                                         }
 523                                 } else {
 524                                         op->orb_edn.bv_len = strlen( op->orb_edn.bv_val );
 525                                 }
 526                                 rs->sr_err = dnPrettyNormal( NULL, &op->orb_edn,
 527                                         &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
 528                                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 529                                 ber_dupbv(&op->o_conn->c_dn, &op->o_req_dn);
 530                                 ber_dupbv(&op->o_conn->c_ndn, &op->o_req_ndn);
 531                                 op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 532                                 BER_BVZERO( &op->o_req_dn );
 533                                 op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 534                                 BER_BVZERO( &op->o_req_ndn );
 535                                 if ( !BER_BVISEMPTY( &op->o_conn->c_dn ) ) {
 536                                         ber_len_t max = SLAPD_GLOBAL(sockbuf_max_incoming_auth);
 537                                         ber_sockbuf_ctrl( op->o_conn->c_sb,
 538                                                 LBER_SB_OPT_SET_MAX_INCOMING, &max );
 539                                 }
 540                                 /* log authorization identity */
 541                                 Statslog( LDAP_DEBUG_STATS,
 542                                         "%s BIND dn=\"%s\" mech=%s (SLAPI) ssf=0\n",
 543                                         op->o_log_prefix,
 544                                         BER_BVISNULL( &op->o_conn->c_dn )
 545                                                 ? "<empty>" : op->o_conn->c_dn.bv_val,
 546                                         mech.bv_val, 0, 0 );
 547                                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 548                         }
 549                         goto cleanup;
 550                         break;
 551                 }
 552         }
 553 #endif /* LDAP_SLAPI */
 554
 555         if( op->o_bd->be_bind ) {
 556                 rs->sr_err = (op->o_bd->be_bind)( op, rs );
 557
 558                 if ( rs->sr_err == 0 ) {
 559                         ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 560
 561                         if( op->o_conn->c_authz_backend == NULL ) {
 562                                 op->o_conn->c_authz_backend = op->o_bd;
 563                         }
 564
 565                         /* be_bind returns regular/global edn */
 566                         if( !BER_BVISEMPTY( &op->orb_edn ) ) {
 567                                 op->o_conn->c_dn = op->orb_edn;
 568                         } else {
 569                                 ber_dupbv(&op->o_conn->c_dn, &op->o_req_dn);
 570                         }
 571
 572                         ber_dupbv( &op->o_conn->c_ndn, &op->o_req_ndn );
 573
 574                         if( !BER_BVISEMPTY( &op->o_conn->c_dn ) ) {
 575                                 ber_len_t max = SLAPD_GLOBAL(sockbuf_max_incoming_auth);
 576                                 ber_sockbuf_ctrl( op->o_conn->c_sb,
 577                                         LBER_SB_OPT_SET_MAX_INCOMING, &max );
 578                         }
 579
 580                         /* log authorization identity */
 581                         Statslog( LDAP_DEBUG_STATS,
 582                                 "%s BIND dn=\"%s\" mech=%s ssf=0\n",
 583                                 op->o_log_prefix,
 584                                 op->o_conn->c_dn.bv_val, mech.bv_val, 0, 0 );
 585
 586                         Debug( LDAP_DEBUG_TRACE,
 587                                 "do_bind: v%d bind: \"%s\" to \"%s\"\n",
 588                                 op->o_protocol, op->o_req_dn.bv_val, op->o_conn->c_dn.bv_val );
 589
 590                         ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 591
 592                         /* send this here to avoid a race condition */
 593                         send_ldap_result( op, rs );
 594
 595                 } else if ( !BER_BVISNULL( &op->orb_edn ) ) {
 596                         free( op->orb_edn.bv_val );
 597                 }
 598
 599         } else {
 600                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 601                         "operation not supported within naming context" );
 602         }
 603
 604 #ifdef LDAP_SLAPI
 605         if ( pb != NULL &&
 606                 slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_POST_BIND_FN, pb ) < 0 )
 607         {
 608                 Debug(LDAP_DEBUG_TRACE,
 609                         "do_bind: Bind postoperation plugins failed.\n",
 610                         0, 0, 0);
 611         }
 612 #endif /* LDAP_SLAPI */
 613
 614 cleanup:;
 615         return rs->sr_err;
 616 }
 617