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