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 #ifdef LDAP_SLAPI
  30 #include "slapi.h"
  31 #endif
  32
  33
  34 int
  35 do_bind(
  36     Operation   *op,
  37     SlapReply   *rs
  38 )
  39 {
  40         BerElement *ber = op->o_ber;
  41         ber_int_t version;
  42         ber_tag_t method;
  43         struct berval mech = { 0, NULL };
  44         struct berval dn = { 0, NULL };
  45         ber_tag_t tag;
  46         Backend *be = NULL;
  47
  48 #ifdef LDAP_SLAPI
  49         Slapi_PBlock *pb = op->o_pb;
  50         int rc;
  51 #endif
  52
  53 #ifdef NEW_LOGGING
  54         LDAP_LOG( OPERATION, ENTRY, "do_bind: conn %d\n", op->o_connid, 0, 0 );
  55 #else
  56         Debug( LDAP_DEBUG_TRACE, "do_bind\n", 0, 0, 0 );
  57 #endif
  58
  59         /*
  60          * Force to connection to "anonymous" until bind succeeds.
  61          */
  62         ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
  63         if ( op->o_conn->c_sasl_bind_in_progress ) {
  64                 be = op->o_conn->c_authz_backend;
  65         }
  66         if ( op->o_conn->c_dn.bv_len ) {
  67                 /* log authorization identity demotion */
  68                 Statslog( LDAP_DEBUG_STATS,
  69                         "conn=%lu op=%lu BIND anonymous mech=implicit ssf=0\n",
  70                         op->o_connid, op->o_opid, 0, 0, 0 );
  71         }
  72         connection2anonymous( op->o_conn );
  73         if ( op->o_conn->c_sasl_bind_in_progress ) {
  74                 op->o_conn->c_authz_backend = be;
  75         }
  76         ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
  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         if ( op->o_ndn.bv_val != NULL ) {
  83                 free( op->o_ndn.bv_val );
  84                 op->o_ndn.bv_val = ch_strdup( "" );
  85                 op->o_ndn.bv_len = 0;
  86         }
  87
  88         /*
  89          * Parse the bind request.  It looks like this:
  90          *
  91          *      BindRequest ::= SEQUENCE {
  92          *              version         INTEGER,                 -- version
  93          *              name            DistinguishedName,       -- dn
  94          *              authentication  CHOICE {
  95          *                      simple          [0] OCTET STRING -- passwd
  96          *                      krbv42ldap      [1] OCTET STRING
  97          *                      krbv42dsa       [2] OCTET STRING
  98          *                      SASL            [3] SaslCredentials
  99          *              }
 100          *      }
 101          *
 102          *      SaslCredentials ::= SEQUENCE {
 103          *              mechanism           LDAPString,
 104          *              credentials         OCTET STRING OPTIONAL
 105          *      }
 106          */
 107
 108         tag = ber_scanf( ber, "{imt" /*}*/, &version, &dn, &method );
 109
 110         if ( tag == LBER_ERROR ) {
 111 #ifdef NEW_LOGGING
 112                 LDAP_LOG( OPERATION, ERR,
 113                         "do_bind: conn %d  ber_scanf failed\n", op->o_connid, 0, 0 );
 114 #else
 115                 Debug( LDAP_DEBUG_ANY, "bind: ber_scanf failed\n", 0, 0, 0 );
 116 #endif
 117                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
 118                 rs->sr_err = -1;
 119                 goto cleanup;
 120         }
 121
 122         op->o_protocol = version;
 123
 124         if( method != LDAP_AUTH_SASL ) {
 125                 tag = ber_scanf( ber, /*{*/ "m}", &op->orb_cred );
 126
 127         } else {
 128                 tag = ber_scanf( ber, "{m" /*}*/, &mech );
 129
 130                 if ( tag != LBER_ERROR ) {
 131                         ber_len_t len;
 132                         tag = ber_peek_tag( ber, &len );
 133
 134                         if ( tag == LDAP_TAG_LDAPCRED ) {
 135                                 tag = ber_scanf( ber, "m", &op->orb_cred );
 136                         } else {
 137                                 tag = LDAP_TAG_LDAPCRED;
 138                                 op->orb_cred.bv_val = NULL;
 139                                 op->orb_cred.bv_len = 0;
 140                         }
 141
 142                         if ( tag != LBER_ERROR ) {
 143                                 tag = ber_scanf( ber, /*{{*/ "}}" );
 144                         }
 145                 }
 146         }
 147
 148         if ( tag == LBER_ERROR ) {
 149                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
 150                 rs->sr_err = SLAPD_DISCONNECT;
 151                 goto cleanup;
 152         }
 153
 154         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 155 #ifdef NEW_LOGGING
 156                 LDAP_LOG( OPERATION, INFO,
 157                         "do_bind: conn %d  get_ctrls failed\n", op->o_connid, 0, 0 );
 158 #else
 159                 Debug( LDAP_DEBUG_ANY, "do_bind: get_ctrls failed\n", 0, 0, 0 );
 160 #endif
 161                 goto cleanup;
 162         }
 163
 164         /* We use the tmpmemctx here because it speeds up normalization.
 165          * However, we must dup with regular malloc when storing any
 166          * resulting DNs in the op or conn structures.
 167          */
 168         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
 169                 op->o_tmpmemctx );
 170         if ( rs->sr_err != LDAP_SUCCESS ) {
 171 #ifdef NEW_LOGGING
 172                 LDAP_LOG( OPERATION, INFO,
 173                         "do_bind: conn %d  invalid dn (%s)\n",
 174                         op->o_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_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 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                         op->o_connid, op->o_req_dn.bv_val, mech.bv_val );
 188 #else
 189                 Debug( LDAP_DEBUG_TRACE, "do_sasl_bind: dn (%s) mech %s\n",
 190                         op->o_req_dn.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, op->o_req_dn.bv_val,
 198                         (unsigned long) method );
 199 #else
 200                 Debug( LDAP_DEBUG_TRACE,
 201                         "do_bind: version=%ld dn=\"%s\" method=%ld\n",
 202                         (unsigned long) version, op->o_req_dn.bv_val,
 203                         (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, op->o_req_dn.bv_val, (unsigned long) method,
 209                 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                         op->o_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_error( op, rs, LDAP_PROTOCOL_ERROR,
 221                         "requested protocol version not supported" );
 222                 goto cleanup;
 223
 224         } else if (!( global_allows & SLAP_ALLOW_BIND_V2 ) &&
 225                 version < LDAP_VERSION3 )
 226         {
 227                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 228                         "historical protocol version requested, use LDAPv3 instead" );
 229                 goto cleanup;
 230         }
 231
 232         /*
 233          * we set connection version regardless of whether bind succeeds or not.
 234          */
 235         ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 236         op->o_conn->c_protocol = version;
 237         ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 238
 239         /* check for inappropriate controls */
 240         if( get_manageDSAit( op ) == SLAP_CRITICAL_CONTROL ) {
 241                 send_ldap_error( op, rs,
 242                         LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
 243                         "manageDSAit control inappropriate" );
 244                 goto cleanup;
 245         }
 246
 247         /* Set the bindop for the benefit of in-directory SASL lookups */
 248         op->o_conn->c_sasl_bindop = op;
 249
 250         if ( method == LDAP_AUTH_SASL ) {
 251                 if ( version < LDAP_VERSION3 ) {
 252 #ifdef NEW_LOGGING
 253                         LDAP_LOG( OPERATION, INFO,
 254                                 "do_bind: conn %d  sasl with LDAPv%ld\n",
 255                                 op->o_connid, (unsigned long)version , 0 );
 256 #else
 257                         Debug( LDAP_DEBUG_ANY, "do_bind: sasl with LDAPv%ld\n",
 258                                 (unsigned long) version, 0, 0 );
 259 #endif
 260                         send_ldap_discon( op, rs,
 261                                 LDAP_PROTOCOL_ERROR, "SASL bind requires LDAPv3" );
 262                         rs->sr_err = SLAPD_DISCONNECT;
 263                         goto cleanup;
 264                 }
 265
 266                 if( mech.bv_len == 0 ) {
 267 #ifdef NEW_LOGGING
 268                         LDAP_LOG( OPERATION, INFO,
 269                                    "do_bind: conn %d  no SASL mechanism provided\n",
 270                                    op->o_connid, 0, 0 );
 271 #else
 272                         Debug( LDAP_DEBUG_ANY,
 273                                 "do_bind: no sasl mechanism provided\n",
 274                                 0, 0, 0 );
 275 #endif
 276                         send_ldap_error( op, rs, LDAP_AUTH_METHOD_NOT_SUPPORTED,
 277                                 "no SASL mechanism provided" );
 278                         goto cleanup;
 279                 }
 280
 281                 /* check restrictions */
 282                 if( backend_check_restrictions( op, rs, &mech ) != LDAP_SUCCESS ) {
 283                         send_ldap_result( op, rs );
 284                         goto cleanup;
 285                 }
 286
 287                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 288                 if ( op->o_conn->c_sasl_bind_in_progress ) {
 289                         if( !bvmatch( &op->o_conn->c_sasl_bind_mech, &mech ) ) {
 290                                 /* mechanism changed between bind steps */
 291                                 slap_sasl_reset(op->o_conn);
 292                         }
 293                 } else {
 294                         ber_dupbv(&op->o_conn->c_sasl_bind_mech, &mech);
 295                 }
 296                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 297
 298                 rs->sr_err = slap_sasl_bind( op, rs );
 299
 300                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 301                 if( rs->sr_err == LDAP_SUCCESS ) {
 302                         ber_dupbv(&op->o_conn->c_dn, &op->orb_edn);
 303                         if( op->orb_edn.bv_len != 0 ) {
 304                                 /* edn is always normalized already */
 305                                 ber_dupbv( &op->o_conn->c_ndn, &op->o_conn->c_dn );
 306                         }
 307                         op->o_tmpfree( op->orb_edn.bv_val, op->o_tmpmemctx );
 308                         op->orb_edn.bv_val = NULL;
 309                         op->orb_edn.bv_len = 0;
 310                         op->o_conn->c_authmech = op->o_conn->c_sasl_bind_mech;
 311                         op->o_conn->c_sasl_bind_mech.bv_val = NULL;
 312                         op->o_conn->c_sasl_bind_mech.bv_len = 0;
 313                         op->o_conn->c_sasl_bind_in_progress = 0;
 314
 315                         op->o_conn->c_sasl_ssf = op->orb_ssf;
 316                         if( op->orb_ssf > op->o_conn->c_ssf ) {
 317                                 op->o_conn->c_ssf = op->orb_ssf;
 318                         }
 319
 320                         if( op->o_conn->c_dn.bv_len != 0 ) {
 321                                 ber_len_t max = sockbuf_max_incoming_auth;
 322                                 ber_sockbuf_ctrl( op->o_conn->c_sb,
 323                                         LBER_SB_OPT_SET_MAX_INCOMING, &max );
 324                         }
 325
 326                         /* log authorization identity */
 327                         Statslog( LDAP_DEBUG_STATS,
 328                                 "conn=%lu op=%lu BIND dn=\"%s\" mech=%s ssf=%d\n",
 329                                 op->o_connid, op->o_opid,
 330                                 op->o_conn->c_dn.bv_val ? op->o_conn->c_dn.bv_val : "<empty>",
 331                                 op->o_conn->c_authmech.bv_val, op->orb_ssf );
 332
 333 #ifdef NEW_LOGGING
 334                         LDAP_LOG( OPERATION, DETAIL1,
 335                                 "do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
 336                                 op->o_conn->c_authmech.bv_val,
 337                                 op->o_conn->c_dn.bv_val ? op->o_conn->c_dn.bv_val : "<empty>",
 338                                 op->orb_ssf );
 339 #else
 340                         Debug( LDAP_DEBUG_TRACE,
 341                                 "do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
 342                                 op->o_conn->c_authmech.bv_val,
 343                                 op->o_conn->c_dn.bv_val ? op->o_conn->c_dn.bv_val : "<empty>",
 344                                 op->orb_ssf );
 345 #endif
 346
 347                 } else if ( rs->sr_err == LDAP_SASL_BIND_IN_PROGRESS ) {
 348                         op->o_conn->c_sasl_bind_in_progress = 1;
 349
 350                 } else {
 351                         if ( op->o_conn->c_sasl_bind_mech.bv_val ) {
 352                                 free( op->o_conn->c_sasl_bind_mech.bv_val );
 353                                 op->o_conn->c_sasl_bind_mech.bv_val = NULL;
 354                                 op->o_conn->c_sasl_bind_mech.bv_len = 0;
 355                         }
 356                         op->o_conn->c_sasl_bind_in_progress = 0;
 357                 }
 358
 359 #ifdef LDAP_SLAPI
 360                 /*
 361                  * Normally post-operation plugins are called only after the
 362                  * backend operation. Because the front-end performs SASL
 363                  * binds on behalf of the backend, we'll make a special
 364                  * exception to call the post-operation plugins after a
 365                  * SASL bind.
 366                  */
 367                 slapi_x_pblock_set_operation( pb, op );
 368                 slapi_pblock_set( pb, SLAPI_BIND_TARGET, (void *)dn.bv_val );
 369                 slapi_pblock_set( pb, SLAPI_BIND_METHOD, (void *)method );
 370                 slapi_pblock_set( pb, SLAPI_BIND_CREDENTIALS, (void *)&op->orb_cred );
 371                 slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)(0) );
 372                 (void) doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_BIND_FN, pb );
 373 #endif /* LDAP_SLAPI */
 374
 375                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 376
 377                 goto cleanup;
 378
 379         } else {
 380                 /* Not SASL, cancel any in-progress bind */
 381                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 382
 383                 if ( op->o_conn->c_sasl_bind_mech.bv_val != NULL ) {
 384                         free(op->o_conn->c_sasl_bind_mech.bv_val);
 385                         op->o_conn->c_sasl_bind_mech.bv_val = NULL;
 386                         op->o_conn->c_sasl_bind_mech.bv_len = 0;
 387                 }
 388                 op->o_conn->c_sasl_bind_in_progress = 0;
 389
 390                 slap_sasl_reset( op->o_conn );
 391                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 392         }
 393
 394         if ( method == LDAP_AUTH_SIMPLE ) {
 395                 /* accept "anonymous" binds */
 396                 if ( op->orb_cred.bv_len == 0 || op->o_req_ndn.bv_len == 0 ) {
 397                         rs->sr_err = LDAP_SUCCESS;
 398
 399                         if( op->orb_cred.bv_len &&
 400                                 !( global_allows & SLAP_ALLOW_BIND_ANON_CRED ))
 401                         {
 402                                 /* cred is not empty, disallow */
 403                                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 404
 405                         } else if ( op->o_req_ndn.bv_len &&
 406                                 !( global_allows & SLAP_ALLOW_BIND_ANON_DN ))
 407                         {
 408                                 /* DN is not empty, disallow */
 409                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 410                                 rs->sr_text =
 411                                         "unauthenticated bind (DN with no password) disallowed";
 412
 413                         } else if ( global_disallows & SLAP_DISALLOW_BIND_ANON ) {
 414                                 /* disallow */
 415                                 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
 416                                 rs->sr_text = "anonymous bind disallowed";
 417
 418                         } else {
 419                                 backend_check_restrictions( op, rs, &mech );
 420                         }
 421
 422                         /*
 423                          * we already forced connection to "anonymous",
 424                          * just need to send success
 425                          */
 426                         send_ldap_result( op, rs );
 427 #ifdef NEW_LOGGING
 428                         LDAP_LOG( OPERATION, DETAIL1,
 429                                    "do_bind: conn %d  v%d anonymous bind\n",
 430                                    op->o_connid, version , 0 );
 431 #else
 432                         Debug( LDAP_DEBUG_TRACE, "do_bind: v%d anonymous bind\n",
 433                                 version, 0, 0 );
 434 #endif
 435                         goto cleanup;
 436
 437                 } else if ( global_disallows & SLAP_DISALLOW_BIND_SIMPLE ) {
 438                         /* disallow simple authentication */
 439                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 440                         rs->sr_text = "unwilling to perform simple authentication";
 441
 442                         send_ldap_result( op, rs );
 443 #ifdef NEW_LOGGING
 444                         LDAP_LOG( OPERATION, INFO,
 445                                 "do_bind: conn %d  v%d simple bind(%s) disallowed\n",
 446                                 op->o_connid, version, op->o_req_ndn.bv_val );
 447 #else
 448                         Debug( LDAP_DEBUG_TRACE,
 449                                 "do_bind: v%d simple bind(%s) disallowed\n",
 450                                 version, op->o_req_ndn.bv_val, 0 );
 451 #endif
 452                         goto cleanup;
 453                 }
 454
 455 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
 456         } else if ( method == LDAP_AUTH_KRBV41 || method == LDAP_AUTH_KRBV42 ) {
 457                 if ( global_disallows & SLAP_DISALLOW_BIND_KRBV4 ) {
 458                         /* disallow simple authentication */
 459                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 460                         rs->sr_text = "unwilling to perform Kerberos V4 bind";
 461
 462                         send_ldap_result( op, rs );
 463 #ifdef NEW_LOGGING
 464                         LDAP_LOG( OPERATION, DETAIL1,
 465                                 "do_bind: conn %d  v%d Kerberos V4 bind\n",
 466                                 op->o_connid, version , 0 );
 467 #else
 468                         Debug( LDAP_DEBUG_TRACE, "do_bind: v%d Kerberos V4 bind\n",
 469                                 version, 0, 0 );
 470 #endif
 471                         goto cleanup;
 472                 }
 473 #endif
 474
 475         } else {
 476                 rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
 477                 rs->sr_text = "unknown authentication method";
 478
 479                 send_ldap_result( op, rs );
 480 #ifdef NEW_LOGGING
 481                 LDAP_LOG( OPERATION, INFO,
 482                         "do_bind: conn %ld  v%d unknown authentication method (%ld)\n",
 483                         op->o_connid, version, method );
 484 #else
 485                 Debug( LDAP_DEBUG_TRACE,
 486                         "do_bind: v%d unknown authentication method (%ld)\n",
 487                         version, method, 0 );
 488 #endif
 489                 goto cleanup;
 490         }
 491
 492         /*
 493          * We could be serving multiple database backends.  Select the
 494          * appropriate one, or send a referral to our "referral server"
 495          * if we don't hold it.
 496          */
 497
 498         if ( (op->o_bd = select_backend( &op->o_req_ndn, 0, 0 )) == NULL ) {
 499                 if ( default_referral ) {
 500                         rs->sr_ref = referral_rewrite( default_referral,
 501                                 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 502                         if (!rs->sr_ref) rs->sr_ref = default_referral;
 503
 504                         rs->sr_err = LDAP_REFERRAL;
 505                         send_ldap_result( op, rs );
 506
 507                         if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
 508
 509                 } else {
 510                         /* noSuchObject is not allowed to be returned by bind */
 511                         rs->sr_err = LDAP_INVALID_CREDENTIALS;
 512                         send_ldap_result( op, rs );
 513                 }
 514
 515                 goto cleanup;
 516         }
 517
 518         /* check restrictions */
 519         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 520                 send_ldap_result( op, rs );
 521                 goto cleanup;
 522         }
 523
 524 #if defined( LDAP_SLAPI )
 525         slapi_x_pblock_set_operation( pb, op );
 526         slapi_pblock_set( pb, SLAPI_BIND_TARGET, (void *)dn.bv_val );
 527         slapi_pblock_set( pb, SLAPI_BIND_METHOD, (void *)method );
 528         slapi_pblock_set( pb, SLAPI_BIND_CREDENTIALS, (void *)&op->orb_cred );
 529         slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)(0) );
 530         slapi_pblock_set( pb, SLAPI_CONN_DN, (void *)(0) );
 531
 532         rc = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_BIND_FN, pb );
 533
 534 #ifdef NEW_LOGGING
 535         LDAP_LOG( OPERATION, INFO,
 536                 "do_bind: Bind preoperation plugin returned %d\n",
 537                 rs->sr_err, 0, 0);
 538 #else
 539         Debug(LDAP_DEBUG_TRACE,
 540                 "do_bind: Bind preoperation plugin returned %d.\n",
 541                 rs->sr_err, 0, 0);
 542 #endif
 543
 544         switch ( rc ) {
 545         case SLAPI_BIND_SUCCESS:
 546                 /* Continue with backend processing */
 547                 break;
 548         case SLAPI_BIND_FAIL:
 549                 /* Failure, server sends result */
 550                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 551                 send_ldap_result( op, rs );
 552                 goto cleanup;
 553                 break;
 554         case SLAPI_BIND_ANONYMOUS:
 555                 /* SLAPI_BIND_ANONYMOUS is undocumented XXX */
 556         default:
 557                 /* Authoritative, plugin sent result, or no plugins called. */
 558                 if ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE,
 559                         (void *)&rs->sr_err) != 0 )
 560                 {
 561                         rs->sr_err = LDAP_OTHER;
 562                 }
 563
 564                 op->orb_edn.bv_val = NULL;
 565                 op->orb_edn.bv_len = 0;
 566
 567                 if ( rs->sr_err == LDAP_SUCCESS ) {
 568                         slapi_pblock_get( pb, SLAPI_CONN_DN, (void *)&op->orb_edn.bv_val );
 569                         if ( op->orb_edn.bv_val == NULL ) {
 570                                 if ( rc == 1 ) {
 571                                         /* No plugins were called; continue. */
 572                                         break;
 573                                 }
 574                         } else {
 575                                 op->orb_edn.bv_len = strlen( op->orb_edn.bv_val );
 576                         }
 577                         rs->sr_err = dnPrettyNormal( NULL, &op->orb_edn,
 578                                 &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
 579                         ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 580                         ber_dupbv(&op->o_conn->c_dn, &op->o_req_dn);
 581                         ber_dupbv(&op->o_conn->c_ndn, &op->o_req_ndn);
 582                         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 583                         op->o_req_dn.bv_val = NULL;
 584                         op->o_req_dn.bv_len = 0;
 585                         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 586                         op->o_req_ndn.bv_val = NULL;
 587                         op->o_req_ndn.bv_len = 0;
 588                         if ( op->o_conn->c_dn.bv_len != 0 ) {
 589                                 ber_len_t max = sockbuf_max_incoming_auth;
 590                                 ber_sockbuf_ctrl( op->o_conn->c_sb,
 591                                         LBER_SB_OPT_SET_MAX_INCOMING, &max );
 592                         }
 593                         /* log authorization identity */
 594                         Statslog( LDAP_DEBUG_STATS,
 595                                 "conn=%lu op=%lu BIND dn=\"%s\" mech=simple (SLAPI) ssf=0\n",
 596                                 op->o_connid, op->o_opid,
 597                                 op->o_conn->c_dn.bv_val ? op->o_conn->c_dn.bv_val : "<empty>",
 598                                 0, 0 );
 599                         ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 600                 }
 601                 goto cleanup;
 602                 break;
 603         }
 604 #endif /* defined( LDAP_SLAPI ) */
 605
 606         if( op->o_bd->be_bind ) {
 607                 op->orb_method = method;
 608                 rs->sr_err = (op->o_bd->be_bind)( op, rs );
 609
 610                 if ( rs->sr_err == 0 ) {
 611                         ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 612
 613                         if( op->o_conn->c_authz_backend == NULL ) {
 614                                 op->o_conn->c_authz_backend = op->o_bd;
 615                         }
 616
 617                         /* be_bind returns regular/global edn */
 618                         if( op->orb_edn.bv_len ) {
 619                                 op->o_conn->c_dn = op->orb_edn;
 620                         } else {
 621                                 ber_dupbv(&op->o_conn->c_dn, &op->o_req_dn);
 622                         }
 623
 624                         ber_dupbv( &op->o_conn->c_ndn, &op->o_req_ndn );
 625
 626                         if( op->o_conn->c_dn.bv_len != 0 ) {
 627                                 ber_len_t max = sockbuf_max_incoming_auth;
 628                                 ber_sockbuf_ctrl( op->o_conn->c_sb,
 629                                         LBER_SB_OPT_SET_MAX_INCOMING, &max );
 630                         }
 631
 632                         /* log authorization identity */
 633                         Statslog( LDAP_DEBUG_STATS,
 634                                 "conn=%lu op=%lu BIND dn=\"%s\" mech=simple ssf=0\n",
 635                                 op->o_connid, op->o_opid,
 636                                 op->o_conn->c_dn.bv_val, 0, 0 );
 637
 638 #ifdef NEW_LOGGING
 639                         LDAP_LOG( OPERATION, DETAIL1,
 640                                 "do_bind: v%d bind: \"%s\" to \"%s\" \n",
 641                                 version, op->o_conn->c_dn.bv_val, op->o_conn->c_dn.bv_val );
 642 #else
 643                         Debug( LDAP_DEBUG_TRACE,
 644                                 "do_bind: v%d bind: \"%s\" to \"%s\"\n",
 645                                 version, dn.bv_val, op->o_conn->c_dn.bv_val );
 646 #endif
 647
 648                         ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 649
 650                         /* send this here to avoid a race condition */
 651                         send_ldap_result( op, rs );
 652
 653                 } else if (op->orb_edn.bv_val != NULL) {
 654                         free( op->orb_edn.bv_val );
 655                 }
 656
 657         } else {
 658                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 659                         "operation not supported within naming context" );
 660         }
 661
 662 #if defined( LDAP_SLAPI )
 663         if ( doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_BIND_FN, pb ) < 0 ) {
 664 #ifdef NEW_LOGGING
 665                 LDAP_LOG( OPERATION, INFO,
 666                         "do_bind: Bind postoperation plugins failed\n",
 667                         0, 0, 0);
 668 #else
 669                 Debug(LDAP_DEBUG_TRACE,
 670                         "do_bind: Bind postoperation plugins failed.\n",
 671                         0, 0, 0);
 672 #endif
 673         }
 674 #endif /* defined( LDAP_SLAPI ) */
 675
 676 cleanup:
 677
 678         op->o_conn->c_sasl_bindop = NULL;
 679
 680         if( op->o_req_dn.bv_val != NULL ) {
 681                 sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
 682                 op->o_req_dn.bv_val = NULL;
 683         }
 684         if( op->o_req_ndn.bv_val != NULL ) {
 685                 sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 686                 op->o_req_ndn.bv_val = NULL;
 687         }
 688
 689         return rs->sr_err;
 690 }