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