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