git.sur5r.net Git - openldap/blob - servers/slapd/add.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1998-2004 The OpenLDAP Foundation.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted only as authorized by the OpenLDAP
   9  * Public License.
  10  *
  11  * A copy of this license is available in the file LICENSE in the
  12  * top-level directory of the distribution or, alternatively, at
  13  * <http://www.OpenLDAP.org/license.html>.
  14  */
  15 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
  16  * All rights reserved.
  17  *
  18  * Redistribution and use in source and binary forms are permitted
  19  * provided that this notice is preserved and that due credit is given
  20  * to the University of Michigan at Ann Arbor. The name of the University
  21  * may not be used to endorse or promote products derived from this
  22  * software without specific prior written permission. This software
  23  * is provided ``as is'' without express or implied warranty.
  24  */
  25
  26 #include "portable.h"
  27
  28 #include <stdio.h>
  29 #include <ac/string.h>
  30 #include <ac/time.h>
  31 #include <ac/socket.h>
  32
  33 #include "ldap_pvt.h"
  34 #include "slap.h"
  35
  36 #ifdef LDAP_SLAPI
  37 #include "slapi/slapi.h"
  38
  39 static void init_add_pblock( Operation *op, struct berval *dn, Entry *e,
  40         int manageDSAit );
  41 static int call_add_preop_plugins( Operation *op );
  42 static void call_add_postop_plugins( Operation *op );
  43 #endif /* LDAP_SLAPI */
  44
  45 int
  46 do_add( Operation *op, SlapReply *rs )
  47 {
  48         BerElement      *ber = op->o_ber;
  49         char            *last;
  50         struct berval   dn = BER_BVNULL;
  51         ber_len_t       len;
  52         ber_tag_t       tag;
  53         Entry           *e;
  54         Modifications   *modlist = NULL;
  55         Modifications   **modtail = &modlist;
  56         Modifications   tmp;
  57
  58         Debug( LDAP_DEBUG_TRACE, "do_add\n", 0, 0, 0 );
  59         /*
  60          * Parse the add request.  It looks like this:
  61          *
  62          *      AddRequest := [APPLICATION 14] SEQUENCE {
  63          *              name    DistinguishedName,
  64          *              attrs   SEQUENCE OF SEQUENCE {
  65          *                      type    AttributeType,
  66          *                      values  SET OF AttributeValue
  67          *              }
  68          *      }
  69          */
  70
  71         /* get the name */
  72         if ( ber_scanf( ber, "{m", /*}*/ &dn ) == LBER_ERROR ) {
  73                 Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
  74                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
  75                 return SLAPD_DISCONNECT;
  76         }
  77
  78         e = (Entry *) ch_calloc( 1, sizeof(Entry) );
  79
  80         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
  81                 op->o_tmpmemctx );
  82
  83         if( rs->sr_err != LDAP_SUCCESS ) {
  84                 Debug( LDAP_DEBUG_ANY, "do_add: invalid dn (%s)\n", dn.bv_val, 0, 0 );
  85                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
  86                 goto done;
  87         }
  88
  89         ber_dupbv( &e->e_name, &op->o_req_dn );
  90         ber_dupbv( &e->e_nname, &op->o_req_ndn );
  91
  92         Debug( LDAP_DEBUG_ARGS, "do_add: dn (%s)\n", e->e_dn, 0, 0 );
  93
  94         /* get the attrs */
  95         for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
  96             tag = ber_next_element( ber, &len, last ) )
  97         {
  98                 Modifications *mod;
  99                 ber_tag_t rtag;
 100
 101                 tmp.sml_nvalues = NULL;
 102
 103                 rtag = ber_scanf( ber, "{m{W}}", &tmp.sml_type, &tmp.sml_values );
 104
 105                 if ( rtag == LBER_ERROR ) {
 106                         Debug( LDAP_DEBUG_ANY, "do_add: decoding error\n", 0, 0, 0 );
 107                         send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
 108                         rs->sr_err = SLAPD_DISCONNECT;
 109                         goto done;
 110                 }
 111
 112                 if ( tmp.sml_values == NULL ) {
 113                         Debug( LDAP_DEBUG_ANY, "no values for type %s\n",
 114                                 tmp.sml_type.bv_val, 0, 0 );
 115                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 116                                 "no values for attribute type" );
 117                         goto done;
 118                 }
 119
 120                 mod  = (Modifications *) ch_malloc( sizeof(Modifications) );
 121                 mod->sml_op = LDAP_MOD_ADD;
 122                 mod->sml_next = NULL;
 123                 mod->sml_desc = NULL;
 124                 mod->sml_type = tmp.sml_type;
 125                 mod->sml_values = tmp.sml_values;
 126                 mod->sml_nvalues = NULL;
 127
 128                 *modtail = mod;
 129                 modtail = &mod->sml_next;
 130         }
 131
 132         if ( ber_scanf( ber, /*{*/ "}") == LBER_ERROR ) {
 133                 Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
 134                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
 135                 rs->sr_err = SLAPD_DISCONNECT;
 136                 goto done;
 137         }
 138
 139         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 140                 Debug( LDAP_DEBUG_ANY, "do_add: get_ctrls failed\n", 0, 0, 0 );
 141                 goto done;
 142         }
 143
 144         if ( modlist == NULL ) {
 145                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 146                         "no attributes provided" );
 147                 goto done;
 148         }
 149
 150         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu ADD dn=\"%s\"\n",
 151             op->o_connid, op->o_opid, e->e_name.bv_val, 0, 0 );
 152
 153         if( e->e_nname.bv_len == 0 ) {
 154                 /* protocolError may be a more appropriate error */
 155                 send_ldap_error( op, rs, LDAP_ALREADY_EXISTS,
 156                         "root DSE already exists" );
 157                 goto done;
 158
 159         } else if ( bvmatch( &e->e_nname, &frontendDB->be_schemandn ) ) {
 160                 send_ldap_error( op, rs, LDAP_ALREADY_EXISTS,
 161                         "subschema subentry already exists" );
 162                 goto done;
 163         }
 164
 165         /* temporary; remove if not invoking backend function */
 166         op->ora_e = e;
 167         op->ora_modlist = modlist;
 168
 169         op->o_bd = frontendDB;
 170         rs->sr_err = frontendDB->be_add( op, rs );
 171         if ( rs->sr_err == 0 ) {
 172                 e = NULL;
 173         }
 174
 175 done:;
 176         slap_graduate_commit_csn( op );
 177
 178         if( modlist != NULL ) {
 179                 slap_mods_free( modlist );
 180         }
 181         if( e != NULL ) {
 182                 entry_free( e );
 183         }
 184         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 185         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 186
 187         return rs->sr_err;
 188 }
 189
 190 int
 191 fe_op_add( Operation *op, SlapReply *rs )
 192 {
 193         int             manageDSAit;
 194         Entry           *e = op->ora_e;
 195         Modifications   *modlist = op->ora_modlist;
 196         Modifications   **modtail = &modlist;
 197
 198         manageDSAit = get_manageDSAit( op );
 199
 200         /*
 201          * We could be serving multiple database backends.  Select the
 202          * appropriate one, or send a referral to our "referral server"
 203          * if we don't hold it.
 204          */
 205         op->o_bd = select_backend( &e->e_nname, manageDSAit, 0 );
 206         if ( op->o_bd == NULL ) {
 207                 rs->sr_ref = referral_rewrite( default_referral,
 208                         NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
 209                 if ( !rs->sr_ref ) rs->sr_ref = default_referral;
 210                 if ( rs->sr_ref ) {
 211                         rs->sr_err = LDAP_REFERRAL;
 212                         send_ldap_result( op, rs );
 213
 214                         if ( rs->sr_ref != default_referral ) {
 215                                 ber_bvarray_free( rs->sr_ref );
 216                         }
 217                 } else {
 218                         send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 219                                 "no global superior knowledge" );
 220                 }
 221                 goto done;
 222         }
 223
 224         /* check restrictions */
 225         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 226                 send_ldap_result( op, rs );
 227                 goto done;
 228         }
 229
 230         /* check for referrals */
 231         if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 232                 goto done;
 233         }
 234
 235 #ifdef LDAP_SLAPI
 236         if ( op->o_pb ) init_add_pblock( op, &op->o_req_dn, e, manageDSAit );
 237 #endif /* LDAP_SLAPI */
 238
 239         /*
 240          * do the add if 1 && (2 || 3)
 241          * 1) there is an add function implemented in this backend;
 242          * 2) this backend is master for what it holds;
 243          * 3) it's a replica and the dn supplied is the updatedn.
 244          */
 245         if ( op->o_bd->be_add ) {
 246                 /* do the update here */
 247                 int repl_user = be_isupdate( op );
 248 #ifndef SLAPD_MULTIMASTER
 249                 if ( !SLAP_SHADOW(op->o_bd) || repl_user )
 250 #endif
 251                 {
 252                         int update = op->o_bd->be_update_ndn.bv_len;
 253                         char textbuf[SLAP_TEXT_BUFLEN];
 254                         size_t textlen = sizeof textbuf;
 255                         slap_callback cb = { NULL, slap_replog_cb, NULL, NULL };
 256
 257                         rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
 258                                   textbuf, textlen, NULL );
 259
 260                         if( rs->sr_err != LDAP_SUCCESS ) {
 261                                 send_ldap_result( op, rs );
 262                                 goto done;
 263                         }
 264
 265                         if ( !repl_user ) {
 266                                 for( modtail = &modlist;
 267                                         *modtail != NULL;
 268                                         modtail = &(*modtail)->sml_next )
 269                                 {
 270                                         assert( (*modtail)->sml_op == LDAP_MOD_ADD );
 271                                         assert( (*modtail)->sml_desc != NULL );
 272                                 }
 273                                 rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
 274                                         &rs->sr_text, textbuf, textlen, 1 );
 275                                 if( rs->sr_err != LDAP_SUCCESS ) {
 276                                         send_ldap_result( op, rs );
 277                                         goto done;
 278                                 }
 279                         }
 280
 281                         rs->sr_err = slap_mods2entry( modlist, &e, repl_user, 0,
 282                                 &rs->sr_text, textbuf, textlen );
 283                         if( rs->sr_err != LDAP_SUCCESS ) {
 284                                 send_ldap_result( op, rs );
 285                                 goto done;
 286                         }
 287
 288 #ifdef LDAP_SLAPI
 289                         /*
 290                          * Call the preoperation plugin here, because the entry
 291                          * will actually contain something.
 292                          */
 293                         if ( op->o_pb ) {
 294                                 rs->sr_err = call_add_preop_plugins( op );
 295                                 if ( rs->sr_err != LDAP_SUCCESS ) {
 296                                         /* plugin will have sent result */
 297                                         goto done;
 298                                 }
 299                         }
 300 #endif /* LDAP_SLAPI */
 301
 302                         op->ora_e = e;
 303 #ifdef SLAPD_MULTIMASTER
 304                         if ( !repl_user )
 305 #endif
 306                         {
 307                                 cb.sc_next = op->o_callback;
 308                                 op->o_callback = &cb;
 309                         }
 310                         if ( (op->o_bd->be_add)( op, rs ) == 0 ) {
 311                                 be_entry_release_w( op, e );
 312                                 e = NULL;
 313                         }
 314
 315 #ifndef SLAPD_MULTIMASTER
 316                 } else {
 317                         BerVarray defref = NULL;
 318 #ifdef LDAP_SLAPI
 319                         /*
 320                          * SLAPI_ADD_ENTRY will be empty, but this may be acceptable
 321                          * on replicas (for now, it involves the minimum code intrusion).
 322                          */
 323                         if ( op->o_pb ) {
 324                                 rs->sr_err = call_add_preop_plugins( op );
 325                                 if ( rs->sr_err != LDAP_SUCCESS ) {
 326                                         /* plugin will have sent result */
 327                                         goto done;
 328                                 }
 329                         }
 330 #endif /* LDAP_SLAPI */
 331
 332                         defref = op->o_bd->be_update_refs
 333                                 ? op->o_bd->be_update_refs : default_referral;
 334
 335                         if ( defref != NULL ) {
 336                                 rs->sr_ref = referral_rewrite( defref,
 337                                         NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
 338                                 if ( rs->sr_ref == NULL ) rs->sr_ref = defref;
 339                                 rs->sr_err = LDAP_REFERRAL;
 340                                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 341                                 send_ldap_result( op, rs );
 342
 343                                 if ( rs->sr_ref != default_referral ) {
 344                                         ber_bvarray_free( rs->sr_ref );
 345                                 }
 346                         } else {
 347                                 send_ldap_error( op, rs,
 348                                         LDAP_UNWILLING_TO_PERFORM,
 349                                         "shadow context; no update referral" );
 350                         }
 351 #endif /* SLAPD_MULTIMASTER */
 352                 }
 353         } else {
 354 #ifdef LDAP_SLAPI
 355                 if ( op->o_pb ) {
 356                         rs->sr_err = call_add_preop_plugins( op );
 357                         if ( rs->sr_err != LDAP_SUCCESS ) {
 358                                 /* plugin will have sent result */
 359                                 goto done;
 360                         }
 361                 }
 362 #endif
 363             Debug( LDAP_DEBUG_ARGS, "    do_add: no backend support\n", 0, 0, 0 );
 364             send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 365                         "operation not supported within namingContext" );
 366         }
 367
 368 #ifdef LDAP_SLAPI
 369         if ( op->o_pb ) call_add_postop_plugins( op );
 370 #endif /* LDAP_SLAPI */
 371
 372 done:;
 373         return rs->sr_err;
 374 }
 375
 376 int
 377 slap_mods2entry(
 378         Modifications *mods,
 379         Entry **e,
 380         int repl_user,
 381         int dup,
 382         const char **text,
 383         char *textbuf, size_t textlen )
 384 {
 385         Attribute **tail = &(*e)->e_attrs;
 386         assert( *tail == NULL );
 387
 388         *text = textbuf;
 389
 390         for( ; mods != NULL; mods = mods->sml_next ) {
 391                 Attribute *attr;
 392
 393                 if ( !repl_user ) {
 394                         assert( mods->sml_op == LDAP_MOD_ADD );
 395                 }
 396                 assert( mods->sml_desc != NULL );
 397
 398                 attr = attr_find( (*e)->e_attrs, mods->sml_desc );
 399
 400                 if( attr != NULL ) {
 401 #define SLURPD_FRIENDLY
 402 #ifdef SLURPD_FRIENDLY
 403                         ber_len_t i,j;
 404
 405                         if( !repl_user ) {
 406                                 snprintf( textbuf, textlen,
 407                                         "attribute '%s' provided more than once",
 408                                         mods->sml_desc->ad_cname.bv_val );
 409                                 return LDAP_TYPE_OR_VALUE_EXISTS;
 410                         }
 411
 412                         for( i=0; attr->a_vals[i].bv_val; i++ ) {
 413                                 /* count them */
 414                         }
 415                         for( j=0; mods->sml_values[j].bv_val; j++ ) {
 416                                 /* count them */
 417                         }
 418                         j++;    /* NULL */
 419
 420                         attr->a_vals = ch_realloc( attr->a_vals,
 421                                 sizeof( struct berval ) * (i+j) );
 422
 423                         /* should check for duplicates */
 424
 425                         AC_MEMCPY( &attr->a_vals[i], mods->sml_values,
 426                                 sizeof( struct berval ) * j );
 427
 428                         /* trim the mods array */
 429                         ch_free( mods->sml_values );
 430                         mods->sml_values = NULL;
 431
 432                         if( mods->sml_nvalues ) {
 433                                 attr->a_nvals = ch_realloc( attr->a_nvals,
 434                                         sizeof( struct berval ) * (i+j) );
 435
 436                                 AC_MEMCPY( &attr->a_nvals[i], mods->sml_nvalues,
 437                                         sizeof( struct berval ) * j );
 438
 439                                 /* trim the mods array */
 440                                 ch_free( mods->sml_nvalues );
 441                                 mods->sml_nvalues = NULL;
 442
 443                         } else {
 444                                 attr->a_nvals = attr->a_vals;
 445                         }
 446
 447                         continue;
 448 #else
 449                         snprintf( textbuf, textlen,
 450                                 "attribute '%s' provided more than once",
 451                                 mods->sml_desc->ad_cname.bv_val );
 452                         return LDAP_TYPE_OR_VALUE_EXISTS;
 453 #endif
 454                 }
 455
 456                 if( mods->sml_values[1].bv_val != NULL ) {
 457                         /* check for duplicates */
 458                         int             i, j;
 459                         MatchingRule *mr = mods->sml_desc->ad_type->sat_equality;
 460
 461                         /* check if the values we're adding already exist */
 462                         if( mr == NULL || !mr->smr_match ) {
 463                                 for ( i = 1; mods->sml_values[i].bv_val != NULL; i++ ) {
 464                                         /* test asserted values against themselves */
 465                                         for( j = 0; j < i; j++ ) {
 466                                                 if ( bvmatch( &mods->sml_values[i],
 467                                                         &mods->sml_values[j] ) )
 468                                                 {
 469                                                         /* value exists already */
 470                                                         snprintf( textbuf, textlen,
 471                                                                 "%s: value #%d provided more than once",
 472                                                                 mods->sml_desc->ad_cname.bv_val, j );
 473                                                         return LDAP_TYPE_OR_VALUE_EXISTS;
 474                                                 }
 475                                         }
 476                                 }
 477
 478                         } else {
 479                                 int     rc;
 480                                 int match;
 481
 482                                 for ( i = 1; mods->sml_values[i].bv_val != NULL; i++ ) {
 483                                         /* test asserted values against themselves */
 484                                         for( j = 0; j < i; j++ ) {
 485                                                 rc = value_match( &match, mods->sml_desc, mr,
 486                                                         SLAP_MR_EQUALITY
 487                                                         | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX
 488                                                         | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
 489                                                         | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
 490                                                         mods->sml_nvalues
 491                                                                 ? &mods->sml_nvalues[i]
 492                                                                 : &mods->sml_values[i],
 493                                                         mods->sml_nvalues
 494                                                                 ? &mods->sml_nvalues[j]
 495                                                                 : &mods->sml_values[j],
 496                                                         text );
 497
 498                                                 if ( rc == LDAP_SUCCESS && match == 0 ) {
 499                                                         /* value exists already */
 500                                                         snprintf( textbuf, textlen,
 501                                                                 "%s: value #%d provided more than once",
 502                                                                 mods->sml_desc->ad_cname.bv_val, j );
 503                                                         return LDAP_TYPE_OR_VALUE_EXISTS;
 504
 505                                                 } else if ( rc != LDAP_SUCCESS ) {
 506                                                         return rc;
 507                                                 }
 508                                         }
 509                                 }
 510                         }
 511                 }
 512
 513                 attr = ch_calloc( 1, sizeof(Attribute) );
 514
 515                 /* move ad to attr structure */
 516                 attr->a_desc = mods->sml_desc;
 517                 if ( !dup ) mods->sml_desc = NULL;
 518
 519                 /* move values to attr structure */
 520                 /*      should check for duplicates */
 521                 if ( dup ) {
 522                         int i;
 523                         for ( i = 0; mods->sml_values[i].bv_val; i++ ) /* EMPTY */;
 524                         attr->a_vals = (BerVarray) ch_calloc( i+1, sizeof( BerValue ));
 525                         for ( i = 0; mods->sml_values[i].bv_val; i++ ) {
 526                                 ber_dupbv( &attr->a_vals[i], &mods->sml_values[i] );
 527                         }
 528                         BER_BVZERO( &attr->a_vals[i] );
 529                 } else {
 530                         attr->a_vals = mods->sml_values;
 531                         mods->sml_values = NULL;
 532                 }
 533
 534                 if ( mods->sml_nvalues ) {
 535                         if ( dup ) {
 536                                 int i;
 537                                 for ( i = 0; mods->sml_nvalues[i].bv_val; i++ ) /* EMPTY */;
 538                                 attr->a_nvals = (BerVarray) ch_calloc( i+1, sizeof( BerValue ));
 539                                 for ( i = 0; mods->sml_nvalues[i].bv_val; i++ ) {
 540                                         ber_dupbv( &attr->a_nvals[i], &mods->sml_nvalues[i] );
 541                                 }
 542                                 BER_BVZERO( &attr->a_nvals[i] );
 543                         } else {
 544                                 attr->a_nvals = mods->sml_nvalues;
 545                                 mods->sml_nvalues = NULL;
 546                         }
 547                 } else {
 548                         attr->a_nvals = attr->a_vals;
 549                 }
 550
 551                 *tail = attr;
 552                 tail = &attr->a_next;
 553         }
 554
 555         return LDAP_SUCCESS;
 556 }
 557
 558 int
 559 slap_entry2mods(
 560         Entry *e,
 561         Modifications **mods,
 562         const char **text,
 563         char *textbuf, size_t textlen )
 564 {
 565         Modifications   *modhead = NULL;
 566         Modifications   *mod;
 567         Modifications   **modtail = &modhead;
 568         Attribute               *a_new;
 569         AttributeDescription    *a_new_desc;
 570         int                             i, count;
 571
 572         a_new = e->e_attrs;
 573
 574         while ( a_new != NULL ) {
 575                 a_new_desc = a_new->a_desc;
 576                 mod = (Modifications *) malloc( sizeof( Modifications ));
 577
 578                 mod->sml_op = LDAP_MOD_REPLACE;
 579
 580                 mod->sml_type = a_new_desc->ad_cname;
 581
 582                 for ( count = 0; a_new->a_vals[count].bv_val; count++ ) /* EMPTY */;
 583
 584                 mod->sml_values = (struct berval*) malloc(
 585                         (count+1) * sizeof( struct berval) );
 586
 587                 /* see slap_mods_check() comments...
 588                  * if a_vals == a_nvals, there is no normalizer.
 589                  * in this case, mod->sml_nvalues must be left NULL.
 590                  */
 591                 if ( a_new->a_vals != a_new->a_nvals ) {
 592                         mod->sml_nvalues = (struct berval*) malloc(
 593                                 (count+1) * sizeof( struct berval) );
 594                 } else {
 595                         mod->sml_nvalues = NULL;
 596                 }
 597
 598                 for ( i = 0; i < count; i++ ) {
 599                         ber_dupbv(mod->sml_values+i, a_new->a_vals+i);
 600                         if ( mod->sml_nvalues ) {
 601                                 ber_dupbv( mod->sml_nvalues+i, a_new->a_nvals+i );
 602                         }
 603                 }
 604
 605                 mod->sml_values[count].bv_val = NULL;
 606                 mod->sml_values[count].bv_len = 0;
 607
 608                 if ( mod->sml_nvalues ) {
 609                         mod->sml_nvalues[count].bv_val = NULL;
 610                         mod->sml_nvalues[count].bv_len = 0;
 611                 }
 612
 613                 mod->sml_desc = a_new_desc;
 614                 mod->sml_next =NULL;
 615                 *modtail = mod;
 616                 modtail = &mod->sml_next;
 617                 a_new = a_new->a_next;
 618         }
 619
 620         *mods = modhead;
 621
 622         return LDAP_SUCCESS;
 623 }
 624
 625 #ifdef LDAP_SLAPI
 626 static void init_add_pblock( Operation *op,
 627         struct berval *dn, Entry *e, int manageDSAit )
 628 {
 629         slapi_int_pblock_set_operation( op->o_pb, op );
 630         slapi_pblock_set( op->o_pb, SLAPI_ADD_TARGET, (void *)dn->bv_val );
 631         slapi_pblock_set( op->o_pb, SLAPI_ADD_ENTRY, (void *)e );
 632         slapi_pblock_set( op->o_pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 633 }
 634
 635 static int call_add_preop_plugins( Operation *op )
 636 {
 637         int rc;
 638
 639         rc = slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_PRE_ADD_FN, op->o_pb );
 640         if ( rc < 0 ) {
 641                 /*
 642                  * A preoperation plugin failure will abort the
 643                  * entire operation.
 644                  */
 645                 Debug(LDAP_DEBUG_TRACE,
 646                         "do_add: add preoperation plugin failed.\n",
 647                         0, 0, 0);
 648
 649                 if (( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE,
 650                         (void *)&rc ) != 0 ) || rc == LDAP_SUCCESS )
 651                 {
 652                         rc = LDAP_OTHER;
 653                 }
 654         } else {
 655                 rc = LDAP_SUCCESS;
 656         }
 657
 658         return rc;
 659 }
 660
 661 static void call_add_postop_plugins( Operation *op )
 662 {
 663         int rc;
 664
 665         rc = slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_POST_ADD_FN, op->o_pb );
 666         if ( rc < 0 ) {
 667                 Debug(LDAP_DEBUG_TRACE,
 668                         "do_add: add postoperation plugin failed\n",
 669                         0, 0, 0);
 670         }
 671 }
 672 #endif /* LDAP_SLAPI */