git.sur5r.net Git - openldap/blob - servers/slapd/modify.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
  30 #include <ac/socket.h>
  31 #include <ac/string.h>
  32 #include <ac/time.h>
  33
  34 #include "slap.h"
  35 #ifdef LDAP_SLAPI
  36 #include "slapi/slapi.h"
  37 #endif
  38 #include "lutil.h"
  39
  40
  41 int
  42 do_modify(
  43     Operation   *op,
  44     SlapReply   *rs )
  45 {
  46         struct berval dn = BER_BVNULL;
  47         char            *last;
  48         ber_tag_t       tag;
  49         ber_len_t       len;
  50         Modifications   *modlist = NULL;
  51         Modifications   **modtail = &modlist;
  52         int             increment = 0;
  53
  54         Debug( LDAP_DEBUG_TRACE, "do_modify\n", 0, 0, 0 );
  55
  56         /*
  57          * Parse the modify request.  It looks like this:
  58          *
  59          *      ModifyRequest := [APPLICATION 6] SEQUENCE {
  60          *              name    DistinguishedName,
  61          *              mods    SEQUENCE OF SEQUENCE {
  62          *                      operation       ENUMERATED {
  63          *                              add     (0),
  64          *                              delete  (1),
  65          *                              replace (2)
  66          *                      },
  67          *                      modification    SEQUENCE {
  68          *                              type    AttributeType,
  69          *                              values  SET OF AttributeValue
  70          *                      }
  71          *              }
  72          *      }
  73          */
  74
  75         if ( ber_scanf( op->o_ber, "{m" /*}*/, &dn ) == LBER_ERROR ) {
  76                 Debug( LDAP_DEBUG_ANY, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  77
  78                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
  79                 return SLAPD_DISCONNECT;
  80         }
  81
  82         Debug( LDAP_DEBUG_ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
  83
  84         /* collect modifications & save for later */
  85         for ( tag = ber_first_element( op->o_ber, &len, &last );
  86             tag != LBER_DEFAULT;
  87             tag = ber_next_element( op->o_ber, &len, last ) )
  88         {
  89                 ber_int_t mop;
  90                 Modifications tmp, *mod;
  91
  92                 tmp.sml_nvalues = NULL;
  93
  94                 if ( ber_scanf( op->o_ber, "{i{m[W]}}", &mop,
  95                     &tmp.sml_type, &tmp.sml_values ) == LBER_ERROR )
  96                 {
  97                         send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR,
  98                                 "decoding modlist error" );
  99                         rs->sr_err = SLAPD_DISCONNECT;
 100                         goto cleanup;
 101                 }
 102
 103                 mod = (Modifications *) ch_malloc( sizeof(Modifications) );
 104                 mod->sml_op = mop;
 105                 mod->sml_type = tmp.sml_type;
 106                 mod->sml_values = tmp.sml_values;
 107                 mod->sml_nvalues = NULL;
 108                 mod->sml_desc = NULL;
 109                 mod->sml_next = NULL;
 110                 *modtail = mod;
 111
 112                 switch( mop ) {
 113                 case LDAP_MOD_ADD:
 114                         if ( mod->sml_values == NULL ) {
 115                                 Debug( LDAP_DEBUG_ANY,
 116                                         "do_modify: modify/add operation (%ld) requires values\n",
 117                                         (long) mop, 0, 0 );
 118
 119                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 120                                         "modify/add operation requires values" );
 121                                 goto cleanup;
 122                         }
 123
 124                         /* fall through */
 125
 126                 case LDAP_MOD_DELETE:
 127                 case LDAP_MOD_REPLACE:
 128                         break;
 129
 130                 case LDAP_MOD_INCREMENT:
 131                         if( op->o_protocol >= LDAP_VERSION3 ) {
 132                                 increment++;
 133                                 if ( mod->sml_values == NULL ) {
 134                                         Debug( LDAP_DEBUG_ANY, "do_modify: "
 135                                                 "modify/increment operation (%ld) requires value\n",
 136                                                 (long) mop, 0, 0 );
 137
 138                                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 139                                                 "modify/increment operation requires value" );
 140                                         goto cleanup;
 141                                 }
 142
 143                                 if( mod->sml_values[1].bv_val ) {
 144                                         Debug( LDAP_DEBUG_ANY, "do_modify: modify/increment "
 145                                                 "operation (%ld) requires single value\n",
 146                                                 (long) mop, 0, 0 );
 147
 148                                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 149                                                 "modify/increment operation requires single value" );
 150                                         goto cleanup;
 151                                 }
 152
 153                                 break;
 154                         }
 155                         /* fall thru */
 156
 157                 default: {
 158                                 Debug( LDAP_DEBUG_ANY,
 159                                         "do_modify: unrecognized modify operation (%ld)\n",
 160                                         (long) mop, 0, 0 );
 161
 162                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 163                                         "unrecognized modify operation" );
 164                                 goto cleanup;
 165                         }
 166                 }
 167
 168                 modtail = &mod->sml_next;
 169         }
 170         *modtail = NULL;
 171
 172         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 173                 Debug( LDAP_DEBUG_ANY, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 174
 175                 goto cleanup;
 176         }
 177
 178         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
 179                 op->o_tmpmemctx );
 180         if( rs->sr_err != LDAP_SUCCESS ) {
 181                 Debug( LDAP_DEBUG_ANY,
 182                         "do_modify: invalid dn (%s)\n", dn.bv_val, 0, 0 );
 183                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 184                 goto cleanup;
 185         }
 186
 187         /* FIXME: temporary */
 188         op->orm_modlist = modlist;
 189         op->orm_increment = increment;
 190
 191         op->o_bd = frontendDB;
 192         rs->sr_err = frontendDB->be_modify( op, rs );
 193
 194 cleanup:
 195         slap_graduate_commit_csn( op );
 196
 197         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 198         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 199         if ( modlist != NULL ) slap_mods_free( modlist );
 200
 201         return rs->sr_err;
 202 }
 203
 204 int
 205 fe_op_modify( Operation *op, SlapReply *rs )
 206 {
 207 #ifdef LDAP_DEBUG
 208         Modifications   *tmp;
 209 #endif
 210         int             manageDSAit;
 211         Modifications   *modlist = op->orm_modlist;
 212         Modifications   **modtail = &modlist;
 213 #ifdef LDAP_SLAPI
 214         LDAPMod         **modv = NULL;
 215 #endif
 216         int             increment = op->orm_increment;
 217
 218         if( op->o_req_ndn.bv_len == 0 ) {
 219                 Debug( LDAP_DEBUG_ANY, "do_modify: root dse!\n", 0, 0, 0 );
 220
 221                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 222                         "modify upon the root DSE not supported" );
 223                 goto cleanup;
 224
 225         } else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
 226                 Debug( LDAP_DEBUG_ANY, "do_modify: subschema subentry!\n", 0, 0, 0 );
 227
 228                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 229                         "modification of subschema subentry not supported" );
 230                 goto cleanup;
 231         }
 232
 233 #ifdef LDAP_DEBUG
 234         Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
 235
 236         for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 237                 Debug( LDAP_DEBUG_ARGS, "\t%s: %s\n",
 238                         tmp->sml_op == LDAP_MOD_ADD ? "add" :
 239                                 (tmp->sml_op == LDAP_MOD_INCREMENT ? "increment" :
 240                                 (tmp->sml_op == LDAP_MOD_DELETE ? "delete" :
 241                                         "replace")), tmp->sml_type.bv_val, 0 );
 242
 243                 if ( tmp->sml_values == NULL ) {
 244                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 245                            "\t\tno values", NULL, NULL );
 246                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 247                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 248                            "\t\tzero values", NULL, NULL );
 249                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 250                         Debug( LDAP_DEBUG_ARGS, "%s, length %ld\n",
 251                            "\t\tone value", (long) tmp->sml_values[0].bv_len, NULL );
 252                 } else {
 253                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 254                            "\t\tmultiple values", NULL, NULL );
 255                 }
 256         }
 257
 258         if ( StatslogTest( LDAP_DEBUG_STATS ) ) {
 259                 char abuf[BUFSIZ/2], *ptr = abuf;
 260                 int len = 0;
 261
 262                 Statslog( LDAP_DEBUG_STATS, "%s MOD dn=\"%s\"\n",
 263                         op->o_log_prefix, op->o_req_dn.bv_val, 0, 0, 0 );
 264
 265                 for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 266                         if (len + 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 267                                 Statslog( LDAP_DEBUG_STATS, "%s MOD attr=%s\n",
 268                                     op->o_log_prefix, abuf, 0, 0, 0 );
 269
 270                                 len = 0;
 271                                 ptr = abuf;
 272
 273                                 if( 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 274                                         Statslog( LDAP_DEBUG_STATS, "%s MOD attr=%s\n",
 275                                                 op->o_log_prefix, tmp->sml_type.bv_val, 0, 0, 0 );
 276                                         continue;
 277                                 }
 278                         }
 279                         if (len) {
 280                                 *ptr++ = ' ';
 281                                 len++;
 282                         }
 283                         ptr = lutil_strcopy(ptr, tmp->sml_type.bv_val);
 284                         len += tmp->sml_type.bv_len;
 285                 }
 286                 if (len) {
 287                         Statslog( LDAP_DEBUG_STATS, "%s MOD attr=%s\n",
 288                                 op->o_log_prefix, abuf, 0, 0, 0 );
 289                 }
 290         }
 291 #endif  /* LDAP_DEBUG */
 292
 293         manageDSAit = get_manageDSAit( op );
 294
 295         /*
 296          * We could be serving multiple database backends.  Select the
 297          * appropriate one, or send a referral to our "referral server"
 298          * if we don't hold it.
 299          */
 300         op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
 301         if ( op->o_bd == NULL ) {
 302                 rs->sr_ref = referral_rewrite( default_referral,
 303                         NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 304                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 305
 306                 if (rs->sr_ref != NULL ) {
 307                         rs->sr_err = LDAP_REFERRAL;
 308                         send_ldap_result( op, rs );
 309
 310                         if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
 311                 } else {
 312                         send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 313                                 "no global superior knowledge" );
 314                 }
 315                 goto cleanup;
 316         }
 317
 318         /* check restrictions */
 319         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 320                 send_ldap_result( op, rs );
 321                 goto cleanup;
 322         }
 323
 324         /* check for referrals */
 325         if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 326                 goto cleanup;
 327         }
 328
 329         /* check for modify/increment support */
 330         if( increment && !SLAP_INCREMENT( op->o_bd ) ) {
 331                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 332                         "modify/increment not supported in context" );
 333         }
 334
 335 #if defined( LDAP_SLAPI )
 336 #define pb      op->o_pb
 337         if ( pb ) {
 338                 slapi_int_pblock_set_operation( pb, op );
 339                 slapi_pblock_set( pb, SLAPI_MODIFY_TARGET, (void *)op->o_req_dn.bv_val );
 340                 slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 341                 modv = slapi_int_modifications2ldapmods( &modlist );
 342                 slapi_pblock_set( pb, SLAPI_MODIFY_MODS, (void *)modv );
 343
 344                 rs->sr_err = slapi_int_call_plugins( op->o_bd,
 345                         SLAPI_PLUGIN_PRE_MODIFY_FN, pb );
 346
 347                 /*
 348                  * It's possible that the preoperation plugin changed the
 349                  * modification array, so we need to convert it back to
 350                  * a Modification list.
 351                  *
 352                  * Calling slapi_int_modifications2ldapmods() destroyed modlist so
 353                  * we don't need to free it.
 354                  */
 355                 slapi_pblock_get( pb, SLAPI_MODIFY_MODS, (void **)&modv );
 356                 modlist = slapi_int_ldapmods2modifications( modv );
 357
 358                 if ( rs->sr_err < 0 ) {
 359                         /*
 360                          * A preoperation plugin failure will abort the
 361                          * entire operation.
 362                          */
 363                         Debug(LDAP_DEBUG_TRACE,
 364                                 "do_modify: modify preoperation plugin failed.\n",
 365                                 0, 0, 0);
 366                         if ( ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE,
 367                                 (void *)&rs->sr_err ) != 0 ) || rs->sr_err == LDAP_SUCCESS )
 368                         {
 369                                 rs->sr_err = LDAP_OTHER;
 370                         }
 371                         slapi_int_free_ldapmods( modv );
 372                         modv = NULL;
 373                         goto cleanup;
 374                 }
 375         }
 376
 377         /*
 378          * NB: it is valid for the plugin to return no modifications
 379          * (for example, a plugin might store some attributes elsewhere
 380          * and remove them from the modification list; if only those
 381          * attribute types were included in the modification request,
 382          * then slapi_int_ldapmods2modifications() above will return
 383          * NULL).
 384          *
 385          * However, the post-operation plugin should still be
 386          * called.
 387          */
 388 #endif /* defined( LDAP_SLAPI ) */
 389
 390         /*
 391          * do the modify if 1 && (2 || 3)
 392          * 1) there is a modify function implemented in this backend;
 393          * 2) this backend is master for what it holds;
 394          * 3) it's a replica and the dn supplied is the update_ndn.
 395          */
 396         if ( op->o_bd->be_modify ) {
 397                 /* do the update here */
 398                 int repl_user = be_isupdate( op );
 399
 400                 /* Multimaster slapd does not have to check for replicator dn
 401                  * because it accepts each modify request
 402                  */
 403 #ifndef SLAPD_MULTIMASTER
 404                 if ( !SLAP_SHADOW(op->o_bd) || repl_user )
 405 #endif
 406                 {
 407                         int update = op->o_bd->be_update_ndn.bv_len;
 408                         char textbuf[SLAP_TEXT_BUFLEN];
 409                         size_t textlen = sizeof textbuf;
 410                         slap_callback cb = { NULL, slap_replog_cb, NULL, NULL };
 411
 412                         rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
 413                                 textbuf, textlen, NULL );
 414
 415                         if( rs->sr_err != LDAP_SUCCESS ) {
 416                                 send_ldap_result( op, rs );
 417                                 goto cleanup;
 418                         }
 419
 420                         if ( !repl_user ) {
 421                                 for( modtail = &modlist;
 422                                         *modtail != NULL;
 423                                         modtail = &(*modtail)->sml_next )
 424                                 {
 425                                         /* empty */
 426                                 }
 427
 428                                 rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
 429                                         &rs->sr_text, textbuf, textlen, 1 );
 430                                 if( rs->sr_err != LDAP_SUCCESS ) {
 431                                         send_ldap_result( op, rs );
 432                                         goto cleanup;
 433                                 }
 434                         }
 435
 436                         op->orm_modlist = modlist;
 437 #ifdef SLAPD_MULTIMASTER
 438                         if ( !repl_user )
 439 #endif
 440                         {
 441                                 /* but we log only the ones not from a replicator user */
 442                                 cb.sc_next = op->o_callback;
 443                                 op->o_callback = &cb;
 444                         }
 445                         op->o_bd->be_modify( op, rs );
 446
 447 #ifndef SLAPD_MULTIMASTER
 448                 /* send a referral */
 449                 } else {
 450                         BerVarray defref = op->o_bd->be_update_refs
 451                                 ? op->o_bd->be_update_refs : default_referral;
 452                         if ( defref != NULL ) {
 453                                 rs->sr_ref = referral_rewrite( defref,
 454                                         NULL, &op->o_req_dn,
 455                                         LDAP_SCOPE_DEFAULT );
 456                                 if (!rs->sr_ref) rs->sr_ref = defref;
 457                                 rs->sr_err = LDAP_REFERRAL;
 458                                 send_ldap_result( op, rs );
 459                                 if (rs->sr_ref != defref) {
 460                                         ber_bvarray_free( rs->sr_ref );
 461                                 }
 462                         } else {
 463                                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 464                                         "shadow context; no update referral" );
 465                         }
 466 #endif
 467                 }
 468         } else {
 469                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 470                     "operation not supported within namingContext" );
 471         }
 472
 473 #if defined( LDAP_SLAPI )
 474         if ( pb != NULL && slapi_int_call_plugins( op->o_bd,
 475                 SLAPI_PLUGIN_POST_MODIFY_FN, pb ) < 0 )
 476         {
 477                 Debug(LDAP_DEBUG_TRACE,
 478                         "do_modify: modify postoperation plugins failed.\n", 0, 0, 0);
 479         }
 480 #endif /* defined( LDAP_SLAPI ) */
 481
 482 cleanup:;
 483 #if defined( LDAP_SLAPI )
 484         if ( modv != NULL ) slapi_int_free_ldapmods( modv );
 485 #endif
 486
 487         return rs->sr_err;
 488 }
 489
 490 /*
 491  * Do basic attribute type checking and syntax validation.
 492  */
 493 int slap_mods_check(
 494         Modifications *ml,
 495         int update,
 496         const char **text,
 497         char *textbuf,
 498         size_t textlen,
 499         void *ctx )
 500 {
 501         int rc;
 502
 503         for( ; ml != NULL; ml = ml->sml_next ) {
 504                 AttributeDescription *ad = NULL;
 505
 506                 /* convert to attribute description */
 507                 rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
 508
 509                 if( rc != LDAP_SUCCESS ) {
 510                         snprintf( textbuf, textlen, "%s: %s",
 511                                 ml->sml_type.bv_val, *text );
 512                         *text = textbuf;
 513                         return rc;
 514                 }
 515
 516                 ad = ml->sml_desc;
 517
 518                 if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
 519                         && !slap_ad_is_binary( ad ))
 520                 {
 521                         /* attribute requires binary transfer */
 522                         snprintf( textbuf, textlen,
 523                                 "%s: requires ;binary transfer",
 524                                 ml->sml_type.bv_val );
 525                         *text = textbuf;
 526                         return LDAP_UNDEFINED_TYPE;
 527                 }
 528
 529                 if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
 530                         && slap_ad_is_binary( ad ))
 531                 {
 532                         /* attribute does not require binary transfer */
 533                         snprintf( textbuf, textlen,
 534                                 "%s: disallows ;binary transfer",
 535                                 ml->sml_type.bv_val );
 536                         *text = textbuf;
 537                         return LDAP_UNDEFINED_TYPE;
 538                 }
 539
 540                 if( slap_ad_is_tag_range( ad )) {
 541                         /* attribute requires binary transfer */
 542                         snprintf( textbuf, textlen,
 543                                 "%s: inappropriate use of tag range option",
 544                                 ml->sml_type.bv_val );
 545                         *text = textbuf;
 546                         return LDAP_UNDEFINED_TYPE;
 547                 }
 548
 549                 if (!update && is_at_no_user_mod( ad->ad_type )) {
 550                         /* user modification disallowed */
 551                         snprintf( textbuf, textlen,
 552                                 "%s: no user modification allowed",
 553                                 ml->sml_type.bv_val );
 554                         *text = textbuf;
 555                         return LDAP_CONSTRAINT_VIOLATION;
 556                 }
 557
 558                 if ( is_at_obsolete( ad->ad_type ) &&
 559                         (( ml->sml_op != LDAP_MOD_REPLACE &&
 560                                 ml->sml_op != LDAP_MOD_DELETE ) ||
 561                                         ml->sml_values != NULL ))
 562                 {
 563                         /*
 564                          * attribute is obsolete,
 565                          * only allow replace/delete with no values
 566                          */
 567                         snprintf( textbuf, textlen,
 568                                 "%s: attribute is obsolete",
 569                                 ml->sml_type.bv_val );
 570                         *text = textbuf;
 571                         return LDAP_CONSTRAINT_VIOLATION;
 572                 }
 573
 574                 if ( ml->sml_op == LDAP_MOD_INCREMENT &&
 575 #ifdef SLAPD_REAL_SYNTAX
 576                         !is_at_syntax( ad->ad_type, SLAPD_REAL_SYNTAX ) &&
 577 #endif
 578                         !is_at_syntax( ad->ad_type, SLAPD_INTEGER_SYNTAX ) )
 579                 {
 580                         /*
 581                          * attribute values must be INTEGER or REAL
 582                          */
 583                         snprintf( textbuf, textlen,
 584                                 "%s: attribute syntax inappropriate for increment",
 585                                 ml->sml_type.bv_val );
 586                         *text = textbuf;
 587                         return LDAP_CONSTRAINT_VIOLATION;
 588                 }
 589
 590                 /*
 591                  * check values
 592                  */
 593                 if( ml->sml_values != NULL ) {
 594                         ber_len_t nvals;
 595                         slap_syntax_validate_func *validate =
 596                                 ad->ad_type->sat_syntax->ssyn_validate;
 597                         slap_syntax_transform_func *pretty =
 598                                 ad->ad_type->sat_syntax->ssyn_pretty;
 599
 600                         if( !pretty && !validate ) {
 601                                 *text = "no validator for syntax";
 602                                 snprintf( textbuf, textlen,
 603                                         "%s: no validator for syntax %s",
 604                                         ml->sml_type.bv_val,
 605                                         ad->ad_type->sat_syntax->ssyn_oid );
 606                                 *text = textbuf;
 607                                 return LDAP_INVALID_SYNTAX;
 608                         }
 609
 610                         /*
 611                          * check that each value is valid per syntax
 612                          *      and pretty if appropriate
 613                          */
 614                         for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 615                                 struct berval pval;
 616                                 if( pretty ) {
 617                                         rc = pretty( ad->ad_type->sat_syntax,
 618                                                 &ml->sml_values[nvals], &pval, ctx );
 619                                 } else {
 620                                         rc = validate( ad->ad_type->sat_syntax,
 621                                                 &ml->sml_values[nvals] );
 622                                 }
 623
 624                                 if( rc != 0 ) {
 625                                         snprintf( textbuf, textlen,
 626                                                 "%s: value #%ld invalid per syntax",
 627                                                 ml->sml_type.bv_val, (long) nvals );
 628                                         *text = textbuf;
 629                                         return LDAP_INVALID_SYNTAX;
 630                                 }
 631
 632                                 if( pretty ) {
 633                                         ber_memfree_x( ml->sml_values[nvals].bv_val, ctx );
 634                                         ml->sml_values[nvals] = pval;
 635                                 }
 636                         }
 637
 638                         /*
 639                          * a rough single value check... an additional check is needed
 640                          * to catch add of single value to existing single valued attribute
 641                          */
 642                         if ((ml->sml_op == LDAP_MOD_ADD || ml->sml_op == LDAP_MOD_REPLACE)
 643                                 && nvals > 1 && is_at_single_value( ad->ad_type ))
 644                         {
 645                                 snprintf( textbuf, textlen,
 646                                         "%s: multiple values provided",
 647                                         ml->sml_type.bv_val );
 648                                 *text = textbuf;
 649                                 return LDAP_CONSTRAINT_VIOLATION;
 650                         }
 651
 652                         /* if the type has a normalizer, generate the
 653                          * normalized values. otherwise leave them NULL.
 654                          *
 655                          * this is different from the rule for attributes
 656                          * in an entry - in an attribute list, the normalized
 657                          * value is set equal to the non-normalized value
 658                          * when there is no normalizer.
 659                          */
 660                         if( nvals && ad->ad_type->sat_equality &&
 661                                 ad->ad_type->sat_equality->smr_normalize )
 662                         {
 663                                 ml->sml_nvalues = ber_memalloc_x(
 664                                         (nvals+1)*sizeof(struct berval), ctx );
 665
 666                                 for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 667                                         rc = ad->ad_type->sat_equality->smr_normalize(
 668                                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 669                                                 ad->ad_type->sat_syntax,
 670                                                 ad->ad_type->sat_equality,
 671                                                 &ml->sml_values[nvals], &ml->sml_nvalues[nvals], ctx );
 672                                         if( rc ) {
 673                                                 Debug( LDAP_DEBUG_ANY,
 674                                                         "<= str2entry NULL (ssyn_normalize %d)\n",
 675                                                         rc, 0, 0 );
 676                                                 snprintf( textbuf, textlen,
 677                                                         "%s: value #%ld normalization failed",
 678                                                         ml->sml_type.bv_val, (long) nvals );
 679                                                 *text = textbuf;
 680                                                 return rc;
 681                                         }
 682                                 }
 683
 684                                 ml->sml_nvalues[nvals].bv_val = NULL;
 685                                 ml->sml_nvalues[nvals].bv_len = 0;
 686                         }
 687
 688                         if( nvals ) {
 689                                 /* check for duplicates */
 690                                 int             i, j;
 691                                 MatchingRule *mr = ad->ad_type->sat_equality;
 692
 693                                 /* check if the values we're adding already exist */
 694                                 if( mr == NULL || !mr->smr_match ) {
 695                                         for ( i = 1; ml->sml_values[i].bv_val != NULL; i++ ) {
 696                                                 /* test asserted values against themselves */
 697                                                 for( j = 0; j < i; j++ ) {
 698                                                         if ( bvmatch( &ml->sml_values[i],
 699                                                                 &ml->sml_values[j] ) )
 700                                                         {
 701                                                                 /* value exists already */
 702                                                                 snprintf( textbuf, textlen,
 703                                                                         "%s: value #%d provided more than once",
 704                                                                         ml->sml_desc->ad_cname.bv_val, j );
 705                                                                 *text = textbuf;
 706                                                                 return LDAP_TYPE_OR_VALUE_EXISTS;
 707                                                         }
 708                                                 }
 709                                         }
 710
 711                                 } else {
 712                                         int rc;
 713                                         int match;
 714
 715                                         for ( i = 1; ml->sml_values[i].bv_val != NULL; i++ ) {
 716                                                 /* test asserted values against themselves */
 717                                                 for( j = 0; j < i; j++ ) {
 718                                                         rc = value_match( &match, ml->sml_desc, mr,
 719                                                                 SLAP_MR_EQUALITY
 720                                                                         | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX
 721                                                                         | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
 722                                                                         | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
 723                                                                 ml->sml_nvalues
 724                                                                         ? &ml->sml_nvalues[i]
 725                                                                         : &ml->sml_values[i],
 726                                                                 ml->sml_nvalues
 727                                                                         ? &ml->sml_nvalues[j]
 728                                                                         : &ml->sml_values[j],
 729                                                                 text );
 730                                                         if ( rc == LDAP_SUCCESS && match == 0 ) {
 731                                                                 /* value exists already */
 732                                                                 snprintf( textbuf, textlen,
 733                                                                         "%s: value #%d provided more than once",
 734                                                                         ml->sml_desc->ad_cname.bv_val, j );
 735                                                                 *text = textbuf;
 736                                                                 return LDAP_TYPE_OR_VALUE_EXISTS;
 737
 738                                                         } else if ( rc != LDAP_SUCCESS ) {
 739                                                                 return rc;
 740                                                         }
 741                                                 }
 742                                         }
 743                                 }
 744                         }
 745
 746                 }
 747         }
 748
 749         return LDAP_SUCCESS;
 750 }
 751
 752 int slap_mods_opattrs(
 753         Operation *op,
 754         Modifications *mods,
 755         Modifications **modtail,
 756         const char **text,
 757         char *textbuf, size_t textlen,
 758         int manage_ctxcsn )
 759 {
 760         struct berval name, timestamp, csn;
 761         struct berval nname;
 762         char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 763         char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
 764         Modifications *mod;
 765
 766         int mop = op->o_tag == LDAP_REQ_ADD
 767                 ? LDAP_MOD_ADD : LDAP_MOD_REPLACE;
 768
 769         assert( modtail != NULL );
 770         assert( *modtail == NULL );
 771
 772         if ( SLAP_LASTMOD( op->o_bd )) {
 773                 struct tm *ltm;
 774 #ifdef HAVE_GMTIME_R
 775                 struct tm ltm_buf;
 776 #endif
 777                 time_t now = slap_get_time();
 778
 779 #ifdef HAVE_GMTIME_R
 780                 ltm = gmtime_r( &now, &ltm_buf );
 781 #else
 782                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 783                 ltm = gmtime( &now );
 784 #endif /* HAVE_GMTIME_R */
 785                 lutil_gentime( timebuf, sizeof(timebuf), ltm );
 786
 787                 slap_get_csn( op, csnbuf, sizeof(csnbuf), &csn, manage_ctxcsn );
 788
 789 #ifndef HAVE_GMTIME_R
 790                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 791 #endif
 792
 793                 timestamp.bv_val = timebuf;
 794                 timestamp.bv_len = strlen(timebuf);
 795
 796                 if( op->o_dn.bv_len == 0 ) {
 797                         BER_BVSTR( &name, SLAPD_ANONYMOUS );
 798                         nname = name;
 799                 } else {
 800                         name = op->o_dn;
 801                         nname = op->o_ndn;
 802                 }
 803         }
 804
 805         if( op->o_tag == LDAP_REQ_ADD ) {
 806                 struct berval tmpval;
 807
 808                 if( global_schemacheck ) {
 809                         int rc = mods_structural_class( mods, &tmpval,
 810                                 text, textbuf, textlen );
 811                         if( rc != LDAP_SUCCESS ) return rc;
 812
 813                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 814                         mod->sml_op = mop;
 815                         mod->sml_type.bv_val = NULL;
 816                         mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
 817                         mod->sml_values =
 818                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 819                         ber_dupbv( &mod->sml_values[0], &tmpval );
 820                         mod->sml_values[1].bv_len = 0;
 821                         mod->sml_values[1].bv_val = NULL;
 822                         assert( mod->sml_values[0].bv_val );
 823                         mod->sml_nvalues =
 824                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 825                         ber_dupbv( &mod->sml_nvalues[0], &tmpval );
 826                         mod->sml_nvalues[1].bv_len = 0;
 827                         mod->sml_nvalues[1].bv_val = NULL;
 828                         assert( mod->sml_nvalues[0].bv_val );
 829                         *modtail = mod;
 830                         modtail = &mod->sml_next;
 831                 }
 832
 833                 if ( SLAP_LASTMOD( op->o_bd )) {
 834                         char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 835
 836                         tmpval.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
 837                         tmpval.bv_val = uuidbuf;
 838
 839                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 840                         mod->sml_op = mop;
 841                         mod->sml_type.bv_val = NULL;
 842                         mod->sml_desc = slap_schema.si_ad_entryUUID;
 843                         mod->sml_values =
 844                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 845                         ber_dupbv( &mod->sml_values[0], &tmpval );
 846                         mod->sml_values[1].bv_len = 0;
 847                         mod->sml_values[1].bv_val = NULL;
 848                         assert( mod->sml_values[0].bv_val );
 849                         mod->sml_nvalues =
 850                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 851                         (*mod->sml_desc->ad_type->sat_equality->smr_normalize)(
 852                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 853                                         mod->sml_desc->ad_type->sat_syntax,
 854                                         mod->sml_desc->ad_type->sat_equality,
 855                                         mod->sml_values, mod->sml_nvalues, NULL );
 856                         mod->sml_nvalues[1].bv_len = 0;
 857                         mod->sml_nvalues[1].bv_val = NULL;
 858                         *modtail = mod;
 859                         modtail = &mod->sml_next;
 860
 861                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 862                         mod->sml_op = mop;
 863                         mod->sml_type.bv_val = NULL;
 864                         mod->sml_desc = slap_schema.si_ad_creatorsName;
 865                         mod->sml_values =
 866                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 867                         ber_dupbv( &mod->sml_values[0], &name );
 868                         mod->sml_values[1].bv_len = 0;
 869                         mod->sml_values[1].bv_val = NULL;
 870                         assert( mod->sml_values[0].bv_val );
 871                         mod->sml_nvalues =
 872                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 873                         ber_dupbv( &mod->sml_nvalues[0], &nname );
 874                         mod->sml_nvalues[1].bv_len = 0;
 875                         mod->sml_nvalues[1].bv_val = NULL;
 876                         assert( mod->sml_nvalues[0].bv_val );
 877                         *modtail = mod;
 878                         modtail = &mod->sml_next;
 879
 880                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 881                         mod->sml_op = mop;
 882                         mod->sml_type.bv_val = NULL;
 883                         mod->sml_desc = slap_schema.si_ad_createTimestamp;
 884                         mod->sml_values =
 885                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 886                         ber_dupbv( &mod->sml_values[0], &timestamp );
 887                         mod->sml_values[1].bv_len = 0;
 888                         mod->sml_values[1].bv_val = NULL;
 889                         assert( mod->sml_values[0].bv_val );
 890                         mod->sml_nvalues = NULL;
 891                         *modtail = mod;
 892                         modtail = &mod->sml_next;
 893                 }
 894         }
 895
 896         if ( SLAP_LASTMOD( op->o_bd )) {
 897                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 898                 mod->sml_op = mop;
 899                 mod->sml_type.bv_val = NULL;
 900                 mod->sml_desc = slap_schema.si_ad_entryCSN;
 901                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 902                 ber_dupbv( &mod->sml_values[0], &csn );
 903                 mod->sml_values[1].bv_len = 0;
 904                 mod->sml_values[1].bv_val = NULL;
 905                 assert( mod->sml_values[0].bv_val );
 906                 mod->sml_nvalues = NULL;
 907                 *modtail = mod;
 908                 modtail = &mod->sml_next;
 909
 910                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 911                 mod->sml_op = mop;
 912                 mod->sml_type.bv_val = NULL;
 913                 mod->sml_desc = slap_schema.si_ad_modifiersName;
 914                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 915                 ber_dupbv( &mod->sml_values[0], &name );
 916                 mod->sml_values[1].bv_len = 0;
 917                 mod->sml_values[1].bv_val = NULL;
 918                 assert( mod->sml_values[0].bv_val );
 919                 mod->sml_nvalues =
 920                         (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 921                 ber_dupbv( &mod->sml_nvalues[0], &nname );
 922                 mod->sml_nvalues[1].bv_len = 0;
 923                 mod->sml_nvalues[1].bv_val = NULL;
 924                 assert( mod->sml_nvalues[0].bv_val );
 925                 *modtail = mod;
 926                 modtail = &mod->sml_next;
 927
 928                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 929                 mod->sml_op = mop;
 930                 mod->sml_type.bv_val = NULL;
 931                 mod->sml_desc = slap_schema.si_ad_modifyTimestamp;
 932                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 933                 ber_dupbv( &mod->sml_values[0], &timestamp );
 934                 mod->sml_values[1].bv_len = 0;
 935                 mod->sml_values[1].bv_val = NULL;
 936                 assert( mod->sml_values[0].bv_val );
 937                 mod->sml_nvalues = NULL;
 938                 *modtail = mod;
 939                 modtail = &mod->sml_next;
 940         }
 941
 942         *modtail = NULL;
 943         return LDAP_SUCCESS;
 944 }
 945