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 NEW_LOGGING
  49         LDAP_LOG( OPERATION, ENTRY, "do_bind: conn %d\n", op->o_connid, 0, 0 );
  50 #else
  51         Debug( LDAP_DEBUG_TRACE, "do_bind\n", 0, 0, 0 );
  52 #endif
  53
  54         /*
  55          * Force to connection to "anonymous" until bind succeeds.
  56          */
  57         ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
  58         if ( op->o_conn->c_sasl_bind_in_progress ) {
  59                 be = op->o_conn->c_authz_backend;
  60         }
  61         if ( op->o_conn->c_dn.bv_len ) {
  62                 /* log authorization identity demotion */
  63                 Statslog( LDAP_DEBUG_STATS,
  64                         "conn=%lu op=%lu BIND anonymous mech=implicit ssf=0\n",
  65                         op->o_connid, op->o_opid, 0, 0, 0 );
  66         }
  67         connection2anonymous( op->o_conn );
  68         if ( op->o_conn->c_sasl_bind_in_progress ) {
  69                 op->o_conn->c_authz_backend = be;
  70         }
  71         ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
  72         if ( op->o_dn.bv_val != NULL ) {
  73                 free( op->o_dn.bv_val );
  74                 op->o_dn.bv_val = ch_strdup( "" );
  75                 op->o_dn.bv_len = 0;
  76         }
  77         if ( op->o_ndn.bv_val != NULL ) {
  78                 free( op->o_ndn.bv_val );
  79                 op->o_ndn.bv_val = ch_strdup( "" );
  80                 op->o_ndn.bv_len = 0;
  81         }
  82
  83         /*
  84          * Parse the bind request.  It looks like this:
  85          *
  86          *      BindRequest ::= SEQUENCE {
  87          *              version         INTEGER,                 -- version
  88          *              name            DistinguishedName,       -- dn
  89          *              authentication  CHOICE {
  90          *                      simple          [0] OCTET STRING -- passwd
  91          *                      krbv42ldap      [1] OCTET STRING
  92          *                      krbv42dsa       [2] OCTET STRING
  93          *                      SASL            [3] SaslCredentials
  94          *              }
  95          *      }
  96          *
  97          *      SaslCredentials ::= SEQUENCE {
  98          *              mechanism           LDAPString,
  99          *              credentials         OCTET STRING OPTIONAL
 100          *      }
 101          */
 102
 103         tag = ber_scanf( ber, "{imt" /*}*/, &version, &dn, &method );
 104
 105         if ( tag == LBER_ERROR ) {
 106 #ifdef NEW_LOGGING
 107                 LDAP_LOG( OPERATION, ERR,
 108                         "do_bind: conn %d  ber_scanf failed\n", op->o_connid, 0, 0 );
 109 #else
 110                 Debug( LDAP_DEBUG_ANY, "bind: ber_scanf failed\n", 0, 0, 0 );
 111 #endif
 112                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
 113                 rs->sr_err = -1;
 114                 goto cleanup;
 115         }
 116
 117         op->o_protocol = version;
 118
 119         if( method != LDAP_AUTH_SASL ) {
 120                 tag = ber_scanf( ber, /*{*/ "m}", &op->orb_cred );
 121
 122         } else {
 123                 tag = ber_scanf( ber, "{m" /*}*/, &mech );
 124
 125                 if ( tag != LBER_ERROR ) {
 126                         ber_len_t len;
 127                         tag = ber_peek_tag( ber, &len );
 128
 129                         if ( tag == LDAP_TAG_LDAPCRED ) {
 130                                 tag = ber_scanf( ber, "m", &op->orb_cred );
 131                         } else {
 132                                 tag = LDAP_TAG_LDAPCRED;
 133                                 op->orb_cred.bv_val = NULL;
 134                                 op->orb_cred.bv_len = 0;
 135                         }
 136
 137                         if ( tag != LBER_ERROR ) {
 138                                 tag = ber_scanf( ber, /*{{*/ "}}" );
 139                         }
 140                 }
 141         }
 142
 143         if ( tag == LBER_ERROR ) {
 144                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
 145                 rs->sr_err = SLAPD_DISCONNECT;
 146                 goto cleanup;
 147         }
 148
 149         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 150 #ifdef NEW_LOGGING
 151                 LDAP_LOG( OPERATION, INFO,
 152                         "do_bind: conn %d  get_ctrls failed\n", op->o_connid, 0, 0 );
 153 #else
 154                 Debug( LDAP_DEBUG_ANY, "do_bind: get_ctrls failed\n", 0, 0, 0 );
 155 #endif
 156                 goto cleanup;
 157         }
 158
 159         /* We use the tmpmemctx here because it speeds up normalization.
 160          * However, we must dup with regular malloc when storing any
 161          * resulting DNs in the op or conn structures.
 162          */
 163         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
 164                 op->o_tmpmemctx );
 165         if ( rs->sr_err != LDAP_SUCCESS ) {
 166 #ifdef NEW_LOGGING
 167                 LDAP_LOG( OPERATION, INFO,
 168                         "do_bind: conn %d  invalid dn (%s)\n",
 169                         op->o_connid, dn.bv_val, 0 );
 170 #else
 171                 Debug( LDAP_DEBUG_ANY, "bind: invalid dn (%s)\n",
 172                         dn.bv_val, 0, 0 );
 173 #endif
 174                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 175                 goto cleanup;
 176         }
 177
 178         if( method == LDAP_AUTH_SASL ) {
 179 #ifdef NEW_LOGGING
 180                 LDAP_LOG( OPERATION,     DETAIL1,
 181                         "do_sasl_bind: conn %d  dn (%s) mech %s\n",
 182                         op->o_connid, op->o_req_dn.bv_val, mech.bv_val );
 183 #else
 184                 Debug( LDAP_DEBUG_TRACE, "do_sasl_bind: dn (%s) mech %s\n",
 185                         op->o_req_dn.bv_val, mech.bv_val, NULL );
 186 #endif
 187
 188         } else {
 189 #ifdef NEW_LOGGING
 190                 LDAP_LOG( OPERATION, DETAIL1,
 191                         "do_bind: version=%ld dn=\"%s\" method=%ld\n",
 192                         (unsigned long) version, op->o_req_dn.bv_val,
 193                         (unsigned long) method );
 194 #else
 195                 Debug( LDAP_DEBUG_TRACE,
 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 #endif
 200         }
 201
 202         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu BIND dn=\"%s\" method=%ld\n",
 203             op->o_connid, op->o_opid, op->o_req_dn.bv_val, (unsigned long) method,
 204                 0 );
 205
 206         if ( version < LDAP_VERSION_MIN || version > LDAP_VERSION_MAX ) {
 207 #ifdef NEW_LOGGING
 208                 LDAP_LOG( OPERATION, INFO,
 209                         "do_bind: conn %d  unknown version = %ld\n",
 210                         op->o_connid, (unsigned long)version, 0 );
 211 #else
 212                 Debug( LDAP_DEBUG_ANY, "do_bind: unknown version=%ld\n",
 213                         (unsigned long) version, 0, 0 );
 214 #endif
 215                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 216                         "requested protocol version not supported" );
 217                 goto cleanup;
 218
 219         } else if (!( global_allows & SLAP_ALLOW_BIND_V2 ) &&
 220                 version < LDAP_VERSION3 )
 221         {
 222                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 223                         "historical protocol version requested, use LDAPv3 instead" );
 224                 goto cleanup;
 225         }
 226
 227         /*
 228          * we set connection version regardless of whether bind succeeds or not.
 229          */
 230         ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 231         op->o_conn->c_protocol = version;
 232         ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 233
 234         /* check for inappropriate controls */
 235         if( get_manageDSAit( op ) == SLAP_CRITICAL_CONTROL ) {
 236                 send_ldap_error( op, rs,
 237                         LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
 238                         "manageDSAit control inappropriate" );
 239                 goto cleanup;
 240         }
 241
 242         /* Set the bindop for the benefit of in-directory SASL lookups */
 243         op->o_conn->c_sasl_bindop = op;
 244
 245         if ( method == LDAP_AUTH_SASL ) {
 246                 if ( version < LDAP_VERSION3 ) {
 247 #ifdef NEW_LOGGING
 248                         LDAP_LOG( OPERATION, INFO,
 249                                 "do_bind: conn %d  sasl with LDAPv%ld\n",
 250                                 op->o_connid, (unsigned long)version , 0 );
 251 #else
 252                         Debug( LDAP_DEBUG_ANY, "do_bind: sasl with LDAPv%ld\n",
 253                                 (unsigned long) version, 0, 0 );
 254 #endif
 255                         send_ldap_discon( op, rs,
 256                                 LDAP_PROTOCOL_ERROR, "SASL bind requires LDAPv3" );
 257                         rs->sr_err = SLAPD_DISCONNECT;
 258                         goto cleanup;
 259                 }
 260
 261                 if( mech.bv_len == 0 ) {
 262 #ifdef NEW_LOGGING
 263                         LDAP_LOG( OPERATION, INFO,
 264                                    "do_bind: conn %d  no SASL mechanism provided\n",
 265                                    op->o_connid, 0, 0 );
 266 #else
 267                         Debug( LDAP_DEBUG_ANY,
 268                                 "do_bind: no sasl mechanism provided\n",
 269                                 0, 0, 0 );
 270 #endif
 271                         send_ldap_error( op, rs, LDAP_AUTH_METHOD_NOT_SUPPORTED,
 272                                 "no SASL mechanism provided" );
 273                         goto cleanup;
 274                 }
 275
 276                 /* check restrictions */
 277                 if( backend_check_restrictions( op, rs, &mech ) != LDAP_SUCCESS ) {
 278                         send_ldap_result( op, rs );
 279                         goto cleanup;
 280                 }
 281
 282                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 283                 if ( op->o_conn->c_sasl_bind_in_progress ) {
 284                         if( !bvmatch( &op->o_conn->c_sasl_bind_mech, &mech ) ) {
 285                                 /* mechanism changed between bind steps */
 286                                 slap_sasl_reset(op->o_conn);
 287                         }
 288                 } else {
 289                         ber_dupbv(&op->o_conn->c_sasl_bind_mech, &mech);
 290                 }
 291                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 292
 293                 rs->sr_err = slap_sasl_bind( op, rs );
 294
 295                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 296                 if( rs->sr_err == LDAP_SUCCESS ) {
 297                         ber_dupbv(&op->o_conn->c_dn, &op->orb_edn);
 298                         if( op->orb_edn.bv_len != 0 ) {
 299                                 /* edn is always normalized already */
 300                                 ber_dupbv( &op->o_conn->c_ndn, &op->o_conn->c_dn );
 301                         }
 302                         op->o_tmpfree( op->orb_edn.bv_val, op->o_tmpmemctx );
 303                         op->orb_edn.bv_val = NULL;
 304                         op->orb_edn.bv_len = 0;
 305                         op->o_conn->c_authmech = op->o_conn->c_sasl_bind_mech;
 306                         op->o_conn->c_sasl_bind_mech.bv_val = NULL;
 307                         op->o_conn->c_sasl_bind_mech.bv_len = 0;
 308                         op->o_conn->c_sasl_bind_in_progress = 0;
 309
 310                         op->o_conn->c_sasl_ssf = op->orb_ssf;
 311                         if( op->orb_ssf > op->o_conn->c_ssf ) {
 312                                 op->o_conn->c_ssf = op->orb_ssf;
 313                         }
 314
 315                         if( op->o_conn->c_dn.bv_len != 0 ) {
 316                                 ber_len_t max = sockbuf_max_incoming_auth;
 317                                 ber_sockbuf_ctrl( op->o_conn->c_sb,
 318                                         LBER_SB_OPT_SET_MAX_INCOMING, &max );
 319                         }
 320
 321                         /* log authorization identity */
 322                         Statslog( LDAP_DEBUG_STATS,
 323                                 "conn=%lu op=%lu BIND dn=\"%s\" mech=%s ssf=%d\n",
 324                                 op->o_connid, op->o_opid,
 325                                 op->o_conn->c_dn.bv_val ? op->o_conn->c_dn.bv_val : "<empty>",
 326                                 op->o_conn->c_authmech.bv_val, op->orb_ssf );
 327
 328 #ifdef NEW_LOGGING
 329                         LDAP_LOG( OPERATION, DETAIL1,
 330                                 "do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
 331                                 op->o_conn->c_authmech.bv_val,
 332                                 op->o_conn->c_dn.bv_val ? op->o_conn->c_dn.bv_val : "<empty>",
 333                                 op->orb_ssf );
 334 #else
 335                         Debug( LDAP_DEBUG_TRACE,
 336                                 "do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
 337                                 op->o_conn->c_authmech.bv_val,
 338                                 op->o_conn->c_dn.bv_val ? op->o_conn->c_dn.bv_val : "<empty>",
 339                                 op->orb_ssf );
 340 #endif
 341
 342                 } else if ( rs->sr_err == LDAP_SASL_BIND_IN_PROGRESS ) {
 343                         op->o_conn->c_sasl_bind_in_progress = 1;
 344
 345                 } else {
 346                         if ( op->o_conn->c_sasl_bind_mech.bv_val ) {
 347                                 free( op->o_conn->c_sasl_bind_mech.bv_val );
 348                                 op->o_conn->c_sasl_bind_mech.bv_val = NULL;
 349                                 op->o_conn->c_sasl_bind_mech.bv_len = 0;
 350                         }
 351                         op->o_conn->c_sasl_bind_in_progress = 0;
 352                 }
 353
 354 #ifdef LDAP_SLAPI
 355 #define pb      op->o_pb
 356                 /*
 357                  * Normally post-operation plugins are called only after the
 358                  * backend operation. Because the front-end performs SASL
 359                  * binds on behalf of the backend, we'll make a special
 360                  * exception to call the post-operation plugins after a
 361                  * SASL bind.
 362                  */
 363                 if ( pb ) {
 364                         slapi_x_pblock_set_operation( pb, op );
 365                         slapi_pblock_set( pb, SLAPI_BIND_TARGET, (void *)dn.bv_val );
 366                         slapi_pblock_set( pb, SLAPI_BIND_METHOD, (void *)method );
 367                         slapi_pblock_set( pb, SLAPI_BIND_CREDENTIALS, (void *)&op->orb_cred );
 368                         slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)(0) );
 369                         (void) doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_BIND_FN, pb );
 370                 }
 371 #endif /* LDAP_SLAPI */
 372
 373                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 374
 375                 goto cleanup;
 376
 377         } else {
 378                 /* Not SASL, cancel any in-progress bind */
 379                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 380
 381                 if ( op->o_conn->c_sasl_bind_mech.bv_val != NULL ) {
 382                         free(op->o_conn->c_sasl_bind_mech.bv_val);
 383                         op->o_conn->c_sasl_bind_mech.bv_val = NULL;
 384                         op->o_conn->c_sasl_bind_mech.bv_len = 0;
 385                 }
 386                 op->o_conn->c_sasl_bind_in_progress = 0;
 387
 388                 slap_sasl_reset( op->o_conn );
 389                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 390         }
 391
 392         if ( method == LDAP_AUTH_SIMPLE ) {
 393                 /* accept "anonymous" binds */
 394                 if ( op->orb_cred.bv_len == 0 || op->o_req_ndn.bv_len == 0 ) {
 395                         rs->sr_err = LDAP_SUCCESS;
 396
 397                         if( op->orb_cred.bv_len &&
 398                                 !( global_allows & SLAP_ALLOW_BIND_ANON_CRED ))
 399                         {
 400                                 /* cred is not empty, disallow */
 401                                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 402
 403                         } else if ( op->o_req_ndn.bv_len &&
 404                                 !( global_allows & SLAP_ALLOW_BIND_ANON_DN ))
 405                         {
 406                                 /* DN is not empty, disallow */
 407                                 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 408                                 rs->sr_text =
 409                                         "unauthenticated bind (DN with no password) disallowed";
 410
 411                         } else if ( global_disallows & SLAP_DISALLOW_BIND_ANON ) {
 412                                 /* disallow */
 413                                 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
 414                                 rs->sr_text = "anonymous bind disallowed";
 415
 416                         } else {
 417                                 backend_check_restrictions( op, rs, &mech );
 418                         }
 419
 420                         /*
 421                          * we already forced connection to "anonymous",
 422                          * just need to send success
 423                          */
 424                         send_ldap_result( op, rs );
 425 #ifdef NEW_LOGGING
 426                         LDAP_LOG( OPERATION, DETAIL1,
 427                                    "do_bind: conn %d  v%d anonymous bind\n",
 428                                    op->o_connid, version , 0 );
 429 #else
 430                         Debug( LDAP_DEBUG_TRACE, "do_bind: v%d anonymous bind\n",
 431                                 version, 0, 0 );
 432 #endif
 433                         goto cleanup;
 434
 435                 } else if ( global_disallows & SLAP_DISALLOW_BIND_SIMPLE ) {
 436                         /* disallow simple authentication */
 437                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 438                         rs->sr_text = "unwilling to perform simple authentication";
 439
 440                         send_ldap_result( op, rs );
 441 #ifdef NEW_LOGGING
 442                         LDAP_LOG( OPERATION, INFO,
 443                                 "do_bind: conn %d  v%d simple bind(%s) disallowed\n",
 444                                 op->o_connid, version, op->o_req_ndn.bv_val );
 445 #else
 446                         Debug( LDAP_DEBUG_TRACE,
 447                                 "do_bind: v%d simple bind(%s) disallowed\n",
 448                                 version, op->o_req_ndn.bv_val, 0 );
 449 #endif
 450                         goto cleanup;
 451                 }
 452
 453 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
 454         } else if ( method == LDAP_AUTH_KRBV41 || method == LDAP_AUTH_KRBV42 ) {
 455                 if ( global_disallows & SLAP_DISALLOW_BIND_KRBV4 ) {
 456                         /* disallow simple authentication */
 457                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 458                         rs->sr_text = "unwilling to perform Kerberos V4 bind";
 459
 460                         send_ldap_result( op, rs );
 461 #ifdef NEW_LOGGING
 462                         LDAP_LOG( OPERATION, DETAIL1,
 463                                 "do_bind: conn %d  v%d Kerberos V4 bind\n",
 464                                 op->o_connid, version , 0 );
 465 #else
 466                         Debug( LDAP_DEBUG_TRACE, "do_bind: v%d Kerberos V4 bind\n",
 467                                 version, 0, 0 );
 468 #endif
 469                         goto cleanup;
 470                 }
 471 #endif
 472
 473         } else {
 474                 rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
 475                 rs->sr_text = "unknown authentication method";
 476
 477                 send_ldap_result( op, rs );
 478 #ifdef NEW_LOGGING
 479                 LDAP_LOG( OPERATION, INFO,
 480                         "do_bind: conn %ld  v%d unknown authentication method (%ld)\n",
 481                         op->o_connid, version, method );
 482 #else
 483                 Debug( LDAP_DEBUG_TRACE,
 484                         "do_bind: v%d unknown authentication method (%ld)\n",
 485                         version, method, 0 );
 486 #endif
 487                 goto cleanup;
 488         }
 489
 490         /*
 491          * We could be serving multiple database backends.  Select the
 492          * appropriate one, or send a referral to our "referral server"
 493          * if we don't hold it.
 494          */
 495
 496         if ( (op->o_bd = select_backend( &op->o_req_ndn, 0, 0 )) == NULL ) {
 497                 if ( default_referral ) {
 498                         rs->sr_ref = referral_rewrite( default_referral,
 499                                 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 500                         if (!rs->sr_ref) rs->sr_ref = default_referral;
 501
 502                         rs->sr_err = LDAP_REFERRAL;
 503                         send_ldap_result( op, rs );
 504
 505                         if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
 506
 507                 } else {
 508                         /* noSuchObject is not allowed to be returned by bind */
 509                         rs->sr_err = LDAP_INVALID_CREDENTIALS;
 510                         send_ldap_result( op, rs );
 511                 }
 512
 513                 goto cleanup;
 514         }
 515
 516         /* check restrictions */
 517         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 518                 send_ldap_result( op, rs );
 519                 goto cleanup;
 520         }
 521
 522 #if defined( LDAP_SLAPI )
 523         if ( pb ) {
 524                 int rc;
 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         }
 605 #endif /* defined( LDAP_SLAPI ) */
 606
 607         if( op->o_bd->be_bind ) {
 608                 op->orb_method = method;
 609                 rs->sr_err = (op->o_bd->be_bind)( op, rs );
 610
 611                 if ( rs->sr_err == 0 ) {
 612                         ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 613
 614                         if( op->o_conn->c_authz_backend == NULL ) {
 615                                 op->o_conn->c_authz_backend = op->o_bd;
 616                         }
 617
 618                         /* be_bind returns regular/global edn */
 619                         if( op->orb_edn.bv_len ) {
 620                                 op->o_conn->c_dn = op->orb_edn;
 621                         } else {
 622                                 ber_dupbv(&op->o_conn->c_dn, &op->o_req_dn);
 623                         }
 624
 625                         ber_dupbv( &op->o_conn->c_ndn, &op->o_req_ndn );
 626
 627                         if( op->o_conn->c_dn.bv_len != 0 ) {
 628                                 ber_len_t max = sockbuf_max_incoming_auth;
 629                                 ber_sockbuf_ctrl( op->o_conn->c_sb,
 630                                         LBER_SB_OPT_SET_MAX_INCOMING, &max );
 631                         }
 632
 633                         /* log authorization identity */
 634                         Statslog( LDAP_DEBUG_STATS,
 635                                 "conn=%lu op=%lu BIND dn=\"%s\" mech=simple ssf=0\n",
 636                                 op->o_connid, op->o_opid,
 637                                 op->o_conn->c_dn.bv_val, 0, 0 );
 638
 639 #ifdef NEW_LOGGING
 640                         LDAP_LOG( OPERATION, DETAIL1,
 641                                 "do_bind: v%d bind: \"%s\" to \"%s\" \n",
 642                                 version, op->o_conn->c_dn.bv_val, op->o_conn->c_dn.bv_val );
 643 #else
 644                         Debug( LDAP_DEBUG_TRACE,
 645                                 "do_bind: v%d bind: \"%s\" to \"%s\"\n",
 646                                 version, dn.bv_val, op->o_conn->c_dn.bv_val );
 647 #endif
 648
 649                         ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 650
 651                         /* send this here to avoid a race condition */
 652                         send_ldap_result( op, rs );
 653
 654                 } else if (op->orb_edn.bv_val != NULL) {
 655                         free( op->orb_edn.bv_val );
 656                 }
 657
 658         } else {
 659                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 660                         "operation not supported within naming context" );
 661         }
 662
 663 #if defined( LDAP_SLAPI )
 664         if ( pb && doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_BIND_FN, pb ) < 0 ) {
 665 #ifdef NEW_LOGGING
 666                 LDAP_LOG( OPERATION, INFO,
 667                         "do_bind: Bind postoperation plugins failed\n",
 668                         0, 0, 0);
 669 #else
 670                 Debug(LDAP_DEBUG_TRACE,
 671                         "do_bind: Bind postoperation plugins failed.\n",
 672                         0, 0, 0);
 673 #endif
 674         }
 675 #endif /* defined( LDAP_SLAPI ) */
 676
 677 cleanup:
 678
 679         op->o_conn->c_sasl_bindop = NULL;
 680
 681         if( op->o_req_dn.bv_val != NULL ) {
 682                 sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
 683                 op->o_req_dn.bv_val = NULL;
 684         }
 685         if( op->o_req_ndn.bv_val != NULL ) {
 686                 sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 687                 op->o_req_ndn.bv_val = NULL;
 688         }
 689
 690         return rs->sr_err;
 691 }