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

   1 /* $OpenLDAP$ */
   2 /*
   3  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6 /*
   7  * Copyright (c) 1995 Regents of the University of Michigan.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms are permitted
  11  * provided that this notice is preserved and that due credit is given
  12  * to the University of Michigan at Ann Arbor. The name of the University
  13  * may not be used to endorse or promote products derived from this
  14  * software without specific prior written permission. This software
  15  * is provided ``as is'' without express or implied warranty.
  16  */
  17
  18 #include "portable.h"
  19
  20 #include <stdio.h>
  21
  22 #include <ac/socket.h>
  23 #include <ac/string.h>
  24 #include <ac/time.h>
  25
  26 #include "ldap_pvt.h"
  27 #include "slap.h"
  28 #ifdef LDAP_SLAPI
  29 #include "slapi.h"
  30 #endif
  31 #include "lutil.h"
  32
  33
  34 int
  35 do_modify(
  36     Operation   *op,
  37     SlapReply   *rs )
  38 {
  39         struct berval dn = { 0, NULL };
  40         char            *last;
  41         ber_tag_t       tag;
  42         ber_len_t       len;
  43         Modifications   *modlist = NULL;
  44         Modifications   **modtail = &modlist;
  45 #ifdef LDAP_DEBUG
  46         Modifications *tmp;
  47 #endif
  48 #ifdef LDAP_SLAPI
  49         LDAPMod         **modv = NULL;
  50         Slapi_PBlock *pb = op->o_pb;
  51 #endif
  52         int manageDSAit;
  53
  54 #ifdef NEW_LOGGING
  55         LDAP_LOG( OPERATION, ENTRY, "do_modify: enter\n", 0, 0, 0 );
  56 #else
  57         Debug( LDAP_DEBUG_TRACE, "do_modify\n", 0, 0, 0 );
  58 #endif
  59
  60         /*
  61          * Parse the modify request.  It looks like this:
  62          *
  63          *      ModifyRequest := [APPLICATION 6] SEQUENCE {
  64          *              name    DistinguishedName,
  65          *              mods    SEQUENCE OF SEQUENCE {
  66          *                      operation       ENUMERATED {
  67          *                              add     (0),
  68          *                              delete  (1),
  69          *                              replace (2)
  70          *                      },
  71          *                      modification    SEQUENCE {
  72          *                              type    AttributeType,
  73          *                              values  SET OF AttributeValue
  74          *                      }
  75          *              }
  76          *      }
  77          */
  78
  79         if ( ber_scanf( op->o_ber, "{m" /*}*/, &dn ) == LBER_ERROR ) {
  80 #ifdef NEW_LOGGING
  81                 LDAP_LOG( OPERATION, ERR, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  82 #else
  83                 Debug( LDAP_DEBUG_ANY, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  84 #endif
  85
  86                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
  87                 return SLAPD_DISCONNECT;
  88         }
  89
  90 #ifdef NEW_LOGGING
  91         LDAP_LOG( OPERATION, ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
  92 #else
  93         Debug( LDAP_DEBUG_ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
  94 #endif
  95
  96
  97         /* collect modifications & save for later */
  98
  99         for ( tag = ber_first_element( op->o_ber, &len, &last );
 100             tag != LBER_DEFAULT;
 101             tag = ber_next_element( op->o_ber, &len, last ) )
 102         {
 103                 ber_int_t mop;
 104                 Modifications tmp, *mod;
 105
 106                 tmp.sml_nvalues = NULL;
 107
 108                 if ( ber_scanf( op->o_ber, "{i{m[W]}}", &mop,
 109                     &tmp.sml_type, &tmp.sml_values )
 110                     == LBER_ERROR )
 111                 {
 112                         send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding modlist error" );
 113                         rs->sr_err = SLAPD_DISCONNECT;
 114                         goto cleanup;
 115                 }
 116
 117                 mod = (Modifications *) ch_malloc( sizeof(Modifications) );
 118                 mod->sml_op = mop;
 119                 mod->sml_type = tmp.sml_type;
 120                 mod->sml_values = tmp.sml_values;
 121                 mod->sml_nvalues = NULL;
 122                 mod->sml_desc = NULL;
 123                 mod->sml_next = NULL;
 124                 *modtail = mod;
 125
 126                 switch( mop ) {
 127                 case LDAP_MOD_ADD:
 128                         if ( mod->sml_values == NULL ) {
 129 #ifdef NEW_LOGGING
 130                                 LDAP_LOG( OPERATION, ERR,
 131                                         "do_modify: modify/add operation (%ld) requires values\n",
 132                                         (long)mop, 0, 0 );
 133 #else
 134                                 Debug( LDAP_DEBUG_ANY,
 135                                         "do_modify: modify/add operation (%ld) requires values\n",
 136                                         (long) mop, 0, 0 );
 137 #endif
 138
 139                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 140                                         "modify/add operation requires values" );
 141                                 goto cleanup;
 142                         }
 143
 144                         /* fall through */
 145
 146                 case LDAP_MOD_DELETE:
 147                 case LDAP_MOD_REPLACE:
 148                         break;
 149
 150                 default: {
 151 #ifdef NEW_LOGGING
 152                                 LDAP_LOG( OPERATION, ERR,
 153                                         "do_modify: invalid modify operation (%ld)\n", (long)mop, 0, 0 );
 154 #else
 155                                 Debug( LDAP_DEBUG_ANY,
 156                                         "do_modify: invalid modify operation (%ld)\n",
 157                                         (long) mop, 0, 0 );
 158 #endif
 159
 160                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 161                                         "unrecognized modify operation" );
 162                                 goto cleanup;
 163                         }
 164                 }
 165
 166                 modtail = &mod->sml_next;
 167         }
 168         *modtail = NULL;
 169
 170         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 171 #ifdef NEW_LOGGING
 172                 LDAP_LOG( OPERATION, ERR, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 173 #else
 174                 Debug( LDAP_DEBUG_ANY, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 175 #endif
 176
 177                 goto cleanup;
 178         }
 179
 180         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
 181         if( rs->sr_err != LDAP_SUCCESS ) {
 182 #ifdef NEW_LOGGING
 183                 LDAP_LOG( OPERATION, INFO, "do_modify: conn %d  invalid dn (%s)\n",
 184                         op->o_connid, dn.bv_val, 0 );
 185 #else
 186                 Debug( LDAP_DEBUG_ANY,
 187                         "do_modify: invalid dn (%s)\n", dn.bv_val, 0, 0 );
 188 #endif
 189                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 190                 goto cleanup;
 191         }
 192
 193         if( op->o_req_ndn.bv_len == 0 ) {
 194 #ifdef NEW_LOGGING
 195                 LDAP_LOG( OPERATION, ERR,
 196                         "do_modify: attempt to modify root DSE.\n",0, 0, 0 );
 197 #else
 198                 Debug( LDAP_DEBUG_ANY, "do_modify: root dse!\n", 0, 0, 0 );
 199 #endif
 200
 201                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 202                         "modify upon the root DSE not supported" );
 203                 goto cleanup;
 204
 205         } else if ( bvmatch( &op->o_req_ndn, &global_schemandn ) ) {
 206 #ifdef NEW_LOGGING
 207                 LDAP_LOG( OPERATION, ERR,
 208                         "do_modify: attempt to modify subschema subentry.\n" , 0, 0, 0  );
 209 #else
 210                 Debug( LDAP_DEBUG_ANY, "do_modify: subschema subentry!\n", 0, 0, 0 );
 211 #endif
 212
 213                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 214                         "modification of subschema subentry not supported" );
 215                 goto cleanup;
 216         }
 217
 218 #ifdef LDAP_DEBUG
 219 #ifdef NEW_LOGGING
 220         LDAP_LOG( OPERATION, DETAIL1, "do_modify: modifications:\n", 0, 0, 0  );
 221 #else
 222         Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
 223 #endif
 224
 225         for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 226 #ifdef NEW_LOGGING
 227                 LDAP_LOG( OPERATION, DETAIL1, "\t%s:  %s\n",
 228                         tmp->sml_op == LDAP_MOD_ADD ?
 229                         "add" : (tmp->sml_op == LDAP_MOD_DELETE ?
 230                         "delete" : "replace"), tmp->sml_type.bv_val, 0 );
 231
 232                 if ( tmp->sml_values == NULL ) {
 233                         LDAP_LOG( OPERATION, DETAIL1, "\t\tno values", 0, 0, 0 );
 234                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 235                         LDAP_LOG( OPERATION, DETAIL1, "\t\tzero values", 0, 0, 0 );
 236                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 237                         LDAP_LOG( OPERATION, DETAIL1, "\t\tone value", 0, 0, 0 );
 238                 } else {
 239                         LDAP_LOG( OPERATION, DETAIL1, "\t\tmultiple values", 0, 0, 0 );
 240                 }
 241
 242 #else
 243                 Debug( LDAP_DEBUG_ARGS, "\t%s: %s\n",
 244                         tmp->sml_op == LDAP_MOD_ADD
 245                                 ? "add" : (tmp->sml_op == LDAP_MOD_DELETE
 246                                         ? "delete" : "replace"), tmp->sml_type.bv_val, 0 );
 247
 248                 if ( tmp->sml_values == NULL ) {
 249                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 250                            "\t\tno values", NULL, NULL );
 251                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 252                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 253                            "\t\tzero values", NULL, NULL );
 254                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 255                         Debug( LDAP_DEBUG_ARGS, "%s, length %ld\n",
 256                            "\t\tone value", (long) tmp->sml_values[0].bv_len, NULL );
 257                 } else {
 258                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 259                            "\t\tmultiple values", NULL, NULL );
 260                 }
 261 #endif
 262         }
 263
 264         if ( StatslogTest( LDAP_DEBUG_STATS ) ) {
 265                 char abuf[BUFSIZ/2], *ptr = abuf;
 266                 int len = 0;
 267
 268                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD dn=\"%s\"\n",
 269                         op->o_connid, op->o_opid, dn.bv_val, 0, 0 );
 270
 271                 for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 272                         if (len + 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 273                                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 274                                     op->o_connid, op->o_opid, abuf, 0, 0 );
 275                                 len = 0;
 276                                 ptr = abuf;
 277                         }
 278                         if (len) {
 279                                 *ptr++ = ' ';
 280                                 len++;
 281                         }
 282                         ptr = lutil_strcopy(ptr, tmp->sml_type.bv_val);
 283                         len += tmp->sml_type.bv_len;
 284                 }
 285                 if (len) {
 286                         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 287                                 op->o_connid, op->o_opid, abuf, 0, 0 );
 288                 }
 289         }
 290 #endif  /* LDAP_DEBUG */
 291
 292         manageDSAit = get_manageDSAit( op );
 293
 294         /*
 295          * We could be serving multiple database backends.  Select the
 296          * appropriate one, or send a referral to our "referral server"
 297          * if we don't hold it.
 298          */
 299         if ( (op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 )) == NULL ) {
 300                 rs->sr_ref = referral_rewrite( default_referral,
 301                         NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 302                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 303
 304                 rs->sr_err = LDAP_REFERRAL;
 305                 send_ldap_result( op, rs );
 306
 307                 if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
 308                 goto cleanup;
 309         }
 310
 311         /* check restrictions */
 312         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 313                 send_ldap_result( op, rs );
 314                 goto cleanup;
 315         }
 316
 317         /* check for referrals */
 318         if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 319                 goto cleanup;
 320         }
 321
 322 #if defined( LDAP_SLAPI )
 323         slapi_x_pblock_set_operation( pb, op );
 324         slapi_pblock_set( pb, SLAPI_MODIFY_TARGET, (void *)dn.bv_val );
 325         slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 326         modv = slapi_x_modifications2ldapmods( &modlist );
 327         slapi_pblock_set( pb, SLAPI_MODIFY_MODS, (void *)modv );
 328
 329         rs->sr_err = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_MODIFY_FN, pb );
 330         if ( rs->sr_err != 0 ) {
 331                 /*
 332                  * A preoperation plugin failure will abort the
 333                  * entire operation.
 334                  */
 335 #ifdef NEW_LOGGING
 336                 LDAP_LOG( OPERATION, INFO, "do_modify: modify preoperation plugin "
 337                                 "failed\n", 0, 0, 0 );
 338 #else
 339                 Debug(LDAP_DEBUG_TRACE, "do_modify: modify preoperation plugin failed.\n",
 340                                 0, 0, 0);
 341 #endif
 342                 if ( slapi_pblock_get( pb, SLAPI_RESULT_CODE, (void *)&rs->sr_err ) != 0) {
 343                         rs->sr_err = LDAP_OTHER;
 344                 }
 345                 slapi_x_free_ldapmods( modv );
 346                 modv = NULL;
 347                 goto cleanup;
 348         }
 349
 350         /*
 351          * It's possible that the preoperation plugin changed the
 352          * modification array, so we need to convert it back to
 353          * a Modification list.
 354          *
 355          * Calling slapi_x_modifications2ldapmods() destroyed modlist so
 356          * we don't need to free it.
 357          */
 358         slapi_pblock_get( pb, SLAPI_MODIFY_MODS, (void **)&modv );
 359         modlist = slapi_x_ldapmods2modifications( modv );
 360
 361         /*
 362          * NB: it is valid for the plugin to return no modifications
 363          * (for example, a plugin might store some attributes elsewhere
 364          * and remove them from the modification list; if only those
 365          * attribute types were included in the modification request,
 366          * then slapi_x_ldapmods2modifications() above will return
 367          * NULL).
 368          */
 369         if ( modlist == NULL ) {
 370                 rs->sr_err = LDAP_SUCCESS;
 371                 send_ldap_result( op, rs );
 372                 goto cleanup;
 373         }
 374 #endif /* defined( LDAP_SLAPI ) */
 375
 376         /*
 377          * do the modify if 1 && (2 || 3)
 378          * 1) there is a modify function implemented in this backend;
 379          * 2) this backend is master for what it holds;
 380          * 3) it's a replica and the dn supplied is the update_ndn.
 381          */
 382         if ( op->o_bd->be_modify ) {
 383                 /* do the update here */
 384                 int repl_user = be_isupdate( op->o_bd, &op->o_ndn );
 385 #ifndef SLAPD_MULTIMASTER
 386                 /* Multimaster slapd does not have to check for replicator dn
 387                  * because it accepts each modify request
 388                  */
 389                 if ( !op->o_bd->be_update_ndn.bv_len || repl_user )
 390 #endif
 391                 {
 392                         int update = op->o_bd->be_update_ndn.bv_len;
 393                         char textbuf[SLAP_TEXT_BUFLEN];
 394                         size_t textlen = sizeof textbuf;
 395
 396                         rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
 397                                 textbuf, textlen, op->o_tmpmemctx );
 398
 399                         if( rs->sr_err != LDAP_SUCCESS ) {
 400                                 send_ldap_result( op, rs );
 401                                 goto cleanup;
 402                         }
 403
 404                         if ( !repl_user ) {
 405                                 for( modtail = &modlist;
 406                                         *modtail != NULL;
 407                                         modtail = &(*modtail)->sml_next )
 408                                 {
 409                                         /* empty */
 410                                 }
 411
 412                                 rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
 413                                         &rs->sr_text, textbuf, textlen );
 414                                 if( rs->sr_err != LDAP_SUCCESS ) {
 415                                         send_ldap_result( op, rs );
 416                                         goto cleanup;
 417                                 }
 418                         }
 419
 420                         op->orm_modlist = modlist;
 421                         if ( (op->o_bd->be_modify)( op, rs ) == 0
 422 #ifdef SLAPD_MULTIMASTER
 423                                 && !repl_user
 424 #endif
 425                         ) {
 426                                 /* but we log only the ones not from a replicator user */
 427                                 replog( op );
 428                         }
 429
 430 #ifndef SLAPD_MULTIMASTER
 431                 /* send a referral */
 432                 } else {
 433                         BerVarray defref = op->o_bd->be_update_refs
 434                                 ? op->o_bd->be_update_refs : default_referral;
 435                         rs->sr_ref = referral_rewrite( defref,
 436                                 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 437
 438                         if (!rs->sr_ref) rs->sr_ref = defref;
 439                         rs->sr_err = LDAP_REFERRAL;
 440                         send_ldap_result( op, rs );
 441                         if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
 442 #endif
 443                 }
 444         } else {
 445                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 446                     "operation not supported within namingContext" );
 447         }
 448
 449 #if defined( LDAP_SLAPI )
 450         if ( doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_MODIFY_FN, pb ) != 0 ) {
 451 #ifdef NEW_LOGGING
 452                 LDAP_LOG( OPERATION, INFO, "do_modify: modify postoperation plugins "
 453                                 "failed\n", 0, 0, 0 );
 454 #else
 455                 Debug(LDAP_DEBUG_TRACE, "do_modify: modify postoperation plugins "
 456                                 "failed.\n", 0, 0, 0);
 457 #endif
 458         }
 459 #endif /* defined( LDAP_SLAPI ) */
 460
 461 cleanup:
 462         free( op->o_req_dn.bv_val );
 463         free( op->o_req_ndn.bv_val );
 464         if ( modlist != NULL ) slap_mods_free( modlist );
 465 #if defined( LDAP_SLAPI )
 466         if ( modv != NULL ) slapi_x_free_ldapmods( modv );
 467 #endif
 468         return rs->sr_err;
 469 }
 470
 471 /*
 472  * Do basic attribute type checking and syntax validation.
 473  */
 474 int slap_mods_check(
 475         Modifications *ml,
 476         int update,
 477         const char **text,
 478         char *textbuf,
 479         size_t textlen,
 480         void *ctx )
 481 {
 482         int rc;
 483
 484         for( ; ml != NULL; ml = ml->sml_next ) {
 485                 AttributeDescription *ad = NULL;
 486
 487                 /* convert to attribute description */
 488                 rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
 489
 490                 if( rc != LDAP_SUCCESS ) {
 491                         snprintf( textbuf, textlen, "%s: %s",
 492                                 ml->sml_type.bv_val, *text );
 493                         *text = textbuf;
 494                         return rc;
 495                 }
 496
 497                 ad = ml->sml_desc;
 498
 499                 if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
 500                         && !slap_ad_is_binary( ad ))
 501                 {
 502                         /* attribute requires binary transfer */
 503                         snprintf( textbuf, textlen,
 504                                 "%s: requires ;binary transfer",
 505                                 ml->sml_type.bv_val );
 506                         *text = textbuf;
 507                         return LDAP_UNDEFINED_TYPE;
 508                 }
 509
 510                 if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
 511                         && slap_ad_is_binary( ad ))
 512                 {
 513                         /* attribute requires binary transfer */
 514                         snprintf( textbuf, textlen,
 515                                 "%s: disallows ;binary transfer",
 516                                 ml->sml_type.bv_val );
 517                         *text = textbuf;
 518                         return LDAP_UNDEFINED_TYPE;
 519                 }
 520
 521                 if( slap_ad_is_tag_range( ad )) {
 522                         /* attribute requires binary transfer */
 523                         snprintf( textbuf, textlen,
 524                                 "%s: inappropriate use of tag range option",
 525                                 ml->sml_type.bv_val );
 526                         *text = textbuf;
 527                         return LDAP_UNDEFINED_TYPE;
 528                 }
 529
 530                 if (!update && is_at_no_user_mod( ad->ad_type )) {
 531                         /* user modification disallowed */
 532                         snprintf( textbuf, textlen,
 533                                 "%s: no user modification allowed",
 534                                 ml->sml_type.bv_val );
 535                         *text = textbuf;
 536                         return LDAP_CONSTRAINT_VIOLATION;
 537                 }
 538
 539                 if ( is_at_obsolete( ad->ad_type ) &&
 540                         ( ml->sml_op == LDAP_MOD_ADD || ml->sml_values != NULL ) )
 541                 {
 542                         /*
 543                          * attribute is obsolete,
 544                          * only allow replace/delete with no values
 545                          */
 546                         snprintf( textbuf, textlen,
 547                                 "%s: attribute is obsolete",
 548                                 ml->sml_type.bv_val );
 549                         *text = textbuf;
 550                         return LDAP_CONSTRAINT_VIOLATION;
 551                 }
 552
 553                 /*
 554                  * check values
 555                  */
 556                 if( ml->sml_values != NULL ) {
 557                         ber_len_t nvals;
 558                         slap_syntax_validate_func *validate =
 559                                 ad->ad_type->sat_syntax->ssyn_validate;
 560                         slap_syntax_transform_func *pretty =
 561                                 ad->ad_type->sat_syntax->ssyn_pretty;
 562
 563                         if( !pretty && !validate ) {
 564                                 *text = "no validator for syntax";
 565                                 snprintf( textbuf, textlen,
 566                                         "%s: no validator for syntax %s",
 567                                         ml->sml_type.bv_val,
 568                                         ad->ad_type->sat_syntax->ssyn_oid );
 569                                 *text = textbuf;
 570                                 return LDAP_INVALID_SYNTAX;
 571                         }
 572
 573                         /*
 574                          * check that each value is valid per syntax
 575                          *      and pretty if appropriate
 576                          */
 577                         for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 578                                 struct berval pval;
 579                                 if( pretty ) {
 580                                         rc = pretty( ad->ad_type->sat_syntax,
 581                                                 &ml->sml_values[nvals], &pval, ctx );
 582                                 } else {
 583                                         rc = validate( ad->ad_type->sat_syntax,
 584                                                 &ml->sml_values[nvals] );
 585                                 }
 586
 587                                 if( rc != 0 ) {
 588                                         snprintf( textbuf, textlen,
 589                                                 "%s: value #%ld invalid per syntax",
 590                                                 ml->sml_type.bv_val, (long) nvals );
 591                                         *text = textbuf;
 592                                         return LDAP_INVALID_SYNTAX;
 593                                 }
 594
 595                                 if( pretty ) {
 596                                         ber_memfree_x( ml->sml_values[nvals].bv_val, ctx );
 597                                         ml->sml_values[nvals] = pval;
 598                                 }
 599                         }
 600
 601                         /*
 602                          * a rough single value check... an additional check is needed
 603                          * to catch add of single value to existing single valued attribute
 604                          */
 605                         if ((ml->sml_op == LDAP_MOD_ADD || ml->sml_op == LDAP_MOD_REPLACE)
 606                                 && nvals > 1 && is_at_single_value( ad->ad_type ))
 607                         {
 608                                 snprintf( textbuf, textlen,
 609                                         "%s: multiple values provided",
 610                                         ml->sml_type.bv_val );
 611                                 *text = textbuf;
 612                                 return LDAP_CONSTRAINT_VIOLATION;
 613                         }
 614
 615                         if( nvals && ad->ad_type->sat_equality &&
 616                                 ad->ad_type->sat_equality->smr_normalize )
 617                         {
 618                                 ml->sml_nvalues = ber_memalloc_x( (nvals+1)*sizeof(struct berval), ctx );
 619                                 for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 620                                         rc = ad->ad_type->sat_equality->smr_normalize(
 621                                                 0,
 622                                                 ad->ad_type->sat_syntax,
 623                                                 ad->ad_type->sat_equality,
 624                                                 &ml->sml_values[nvals], &ml->sml_nvalues[nvals], ctx );
 625                                         if( rc ) {
 626 #ifdef NEW_LOGGING
 627                                                 LDAP_LOG( OPERATION, DETAIL1,
 628                                                         "str2entry:  NULL (ssyn_normalize %d)\n",
 629                                                         rc, 0, 0 );
 630 #else
 631                                                 Debug( LDAP_DEBUG_ANY,
 632                                                         "<= str2entry NULL (ssyn_normalize %d)\n",
 633                                                         rc, 0, 0 );
 634 #endif
 635                                                 snprintf( textbuf, textlen,
 636                                                         "%s: value #%ld normalization failed",
 637                                                         ml->sml_type.bv_val, (long) nvals );
 638                                                 *text = textbuf;
 639                                                 return rc;
 640                                         }
 641                                 }
 642                                 ml->sml_nvalues[nvals].bv_val = NULL;
 643                                 ml->sml_nvalues[nvals].bv_len = 0;
 644                         }
 645                 }
 646         }
 647
 648         return LDAP_SUCCESS;
 649 }
 650
 651 int slap_mods_opattrs(
 652         Operation *op,
 653         Modifications *mods,
 654         Modifications **modtail,
 655         const char **text,
 656         char *textbuf, size_t textlen )
 657 {
 658         struct berval name, timestamp, csn;
 659         struct berval nname;
 660         char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 661         char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
 662         Modifications *mod;
 663
 664         int mop = op->o_tag == LDAP_REQ_ADD
 665                 ? LDAP_MOD_ADD : LDAP_MOD_REPLACE;
 666
 667         assert( modtail != NULL );
 668         assert( *modtail == NULL );
 669
 670         if( SLAP_LASTMOD(op->o_bd) ) {
 671                 struct tm *ltm;
 672                 time_t now = slap_get_time();
 673
 674                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 675                 ltm = gmtime( &now );
 676                 lutil_gentime( timebuf, sizeof(timebuf), ltm );
 677
 678                 csn.bv_len = lutil_csnstr( csnbuf, sizeof( csnbuf ), 0, 0 );
 679                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 680                 csn.bv_val = csnbuf;
 681
 682                 timestamp.bv_val = timebuf;
 683                 timestamp.bv_len = strlen(timebuf);
 684
 685                 if( op->o_dn.bv_len == 0 ) {
 686                         name.bv_val = SLAPD_ANONYMOUS;
 687                         name.bv_len = sizeof(SLAPD_ANONYMOUS)-1;
 688                         nname = name;
 689                 } else {
 690                         name = op->o_dn;
 691                         nname = op->o_ndn;
 692                 }
 693         }
 694
 695         if( op->o_tag == LDAP_REQ_ADD ) {
 696                 struct berval tmpval;
 697
 698                 if( global_schemacheck ) {
 699                         int rc = mods_structural_class( mods, &tmpval,
 700                                 text, textbuf, textlen );
 701                         if( rc != LDAP_SUCCESS ) {
 702                                 return rc;
 703                         }
 704
 705                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 706                         mod->sml_op = mop;
 707                         mod->sml_type.bv_val = NULL;
 708                         mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
 709                         mod->sml_values =
 710                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 711                         ber_dupbv( &mod->sml_values[0], &tmpval );
 712                         mod->sml_values[1].bv_len = 0;
 713                         mod->sml_values[1].bv_val = NULL;
 714                         assert( mod->sml_values[0].bv_val );
 715                         mod->sml_nvalues =
 716                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 717                         ber_dupbv( &mod->sml_nvalues[0], &tmpval );
 718                         mod->sml_nvalues[1].bv_len = 0;
 719                         mod->sml_nvalues[1].bv_val = NULL;
 720                         assert( mod->sml_nvalues[0].bv_val );
 721                         *modtail = mod;
 722                         modtail = &mod->sml_next;
 723                 }
 724
 725                 if( SLAP_LASTMOD(op->o_bd) ) {
 726                         char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 727
 728                         tmpval.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
 729                         tmpval.bv_val = uuidbuf;
 730
 731                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 732                         mod->sml_op = mop;
 733                         mod->sml_type.bv_val = NULL;
 734                         mod->sml_desc = slap_schema.si_ad_entryUUID;
 735                         mod->sml_values =
 736                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 737                         ber_dupbv( &mod->sml_values[0], &tmpval );
 738                         mod->sml_values[1].bv_len = 0;
 739                         mod->sml_values[1].bv_val = NULL;
 740                         assert( mod->sml_values[0].bv_val );
 741                         mod->sml_nvalues = NULL;
 742                         *modtail = mod;
 743                         modtail = &mod->sml_next;
 744
 745                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 746                         mod->sml_op = mop;
 747                         mod->sml_type.bv_val = NULL;
 748                         mod->sml_desc = slap_schema.si_ad_creatorsName;
 749                         mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 750                         ber_dupbv( &mod->sml_values[0], &name );
 751                         mod->sml_values[1].bv_len = 0;
 752                         mod->sml_values[1].bv_val = NULL;
 753                         assert( mod->sml_values[0].bv_val );
 754                         mod->sml_nvalues =
 755                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 756                         ber_dupbv( &mod->sml_nvalues[0], &nname );
 757                         mod->sml_nvalues[1].bv_len = 0;
 758                         mod->sml_nvalues[1].bv_val = NULL;
 759                         assert( mod->sml_nvalues[0].bv_val );
 760                         *modtail = mod;
 761                         modtail = &mod->sml_next;
 762
 763                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 764                         mod->sml_op = mop;
 765                         mod->sml_type.bv_val = NULL;
 766                         mod->sml_desc = slap_schema.si_ad_createTimestamp;
 767                         mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 768                         ber_dupbv( &mod->sml_values[0], &timestamp );
 769                         mod->sml_values[1].bv_len = 0;
 770                         mod->sml_values[1].bv_val = NULL;
 771                         assert( mod->sml_values[0].bv_val );
 772                         mod->sml_nvalues = NULL;
 773                         *modtail = mod;
 774                         modtail = &mod->sml_next;
 775                 }
 776         }
 777
 778         if( SLAP_LASTMOD(op->o_bd) ) {
 779                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 780                 mod->sml_op = mop;
 781                 mod->sml_type.bv_val = NULL;
 782                 mod->sml_desc = slap_schema.si_ad_entryCSN;
 783                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 784                 ber_dupbv( &mod->sml_values[0], &csn );
 785                 mod->sml_values[1].bv_len = 0;
 786                 mod->sml_values[1].bv_val = NULL;
 787                 assert( mod->sml_values[0].bv_val );
 788                 mod->sml_nvalues = NULL;
 789                 *modtail = mod;
 790                 modtail = &mod->sml_next;
 791
 792                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 793                 mod->sml_op = mop;
 794                 mod->sml_type.bv_val = NULL;
 795                 mod->sml_desc = slap_schema.si_ad_modifiersName;
 796                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 797                 ber_dupbv( &mod->sml_values[0], &name );
 798                 mod->sml_values[1].bv_len = 0;
 799                 mod->sml_values[1].bv_val = NULL;
 800                 assert( mod->sml_values[0].bv_val );
 801                 mod->sml_nvalues =
 802                         (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 803                 ber_dupbv( &mod->sml_nvalues[0], &nname );
 804                 mod->sml_nvalues[1].bv_len = 0;
 805                 mod->sml_nvalues[1].bv_val = NULL;
 806                 assert( mod->sml_nvalues[0].bv_val );
 807                 *modtail = mod;
 808                 modtail = &mod->sml_next;
 809
 810                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 811                 mod->sml_op = mop;
 812                 mod->sml_type.bv_val = NULL;
 813                 mod->sml_desc = slap_schema.si_ad_modifyTimestamp;
 814                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 815                 ber_dupbv( &mod->sml_values[0], &timestamp );
 816                 mod->sml_values[1].bv_len = 0;
 817                 mod->sml_values[1].bv_val = NULL;
 818                 assert( mod->sml_values[0].bv_val );
 819                 mod->sml_nvalues = NULL;
 820                 *modtail = mod;
 821                 modtail = &mod->sml_next;
 822         }
 823
 824         *modtail = NULL;
 825         return LDAP_SUCCESS;
 826 }
 827