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 #ifdef SLAP_NVALUES
 107                 tmp.sml_nvalues = NULL;
 108 #endif
 109
 110                 if ( ber_scanf( op->o_ber, "{i{m[W]}}", &mop,
 111                     &tmp.sml_type, &tmp.sml_values )
 112                     == LBER_ERROR )
 113                 {
 114                         send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding modlist error" );
 115                         rs->sr_err = SLAPD_DISCONNECT;
 116                         goto cleanup;
 117                 }
 118
 119                 mod = (Modifications *) ch_malloc( sizeof(Modifications) );
 120                 mod->sml_op = mop;
 121                 mod->sml_type = tmp.sml_type;
 122                 mod->sml_values = tmp.sml_values;
 123 #ifdef SLAP_NVALUES
 124                 mod->sml_nvalues = NULL;
 125 #endif
 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_values == 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_error( op, rs, LDAP_PROTOCOL_ERROR,
 144                                         "modify/add operation requires values" );
 145                                 goto cleanup;
 146                         }
 147
 148                         /* fall through */
 149
 150                 case LDAP_MOD_DELETE:
 151                 case LDAP_MOD_REPLACE:
 152                         break;
 153
 154                 default: {
 155 #ifdef NEW_LOGGING
 156                                 LDAP_LOG( OPERATION, ERR,
 157                                         "do_modify: invalid modify operation (%ld)\n", (long)mop, 0, 0 );
 158 #else
 159                                 Debug( LDAP_DEBUG_ANY,
 160                                         "do_modify: invalid modify operation (%ld)\n",
 161                                         (long) mop, 0, 0 );
 162 #endif
 163
 164                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 165                                         "unrecognized modify operation" );
 166                                 goto cleanup;
 167                         }
 168                 }
 169
 170                 modtail = &mod->sml_next;
 171         }
 172         *modtail = NULL;
 173
 174         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 175 #ifdef NEW_LOGGING
 176                 LDAP_LOG( OPERATION, ERR, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 177 #else
 178                 Debug( LDAP_DEBUG_ANY, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 179 #endif
 180
 181                 goto cleanup;
 182         }
 183
 184         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn );
 185         if( rs->sr_err != LDAP_SUCCESS ) {
 186 #ifdef NEW_LOGGING
 187                 LDAP_LOG( OPERATION, INFO, "do_modify: conn %d  invalid dn (%s)\n",
 188                         op->o_connid, dn.bv_val, 0 );
 189 #else
 190                 Debug( LDAP_DEBUG_ANY,
 191                         "do_modify: invalid dn (%s)\n", dn.bv_val, 0, 0 );
 192 #endif
 193                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 194                 goto cleanup;
 195         }
 196
 197         if( op->o_req_ndn.bv_len == 0 ) {
 198 #ifdef NEW_LOGGING
 199                 LDAP_LOG( OPERATION, ERR,
 200                         "do_modify: attempt to modify root DSE.\n",0, 0, 0 );
 201 #else
 202                 Debug( LDAP_DEBUG_ANY, "do_modify: root dse!\n", 0, 0, 0 );
 203 #endif
 204
 205                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 206                         "modify upon the root DSE not supported" );
 207                 goto cleanup;
 208
 209         } else if ( bvmatch( &op->o_req_ndn, &global_schemandn ) ) {
 210 #ifdef NEW_LOGGING
 211                 LDAP_LOG( OPERATION, ERR,
 212                         "do_modify: attempt to modify subschema subentry.\n" , 0, 0, 0  );
 213 #else
 214                 Debug( LDAP_DEBUG_ANY, "do_modify: subschema subentry!\n", 0, 0, 0 );
 215 #endif
 216
 217                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 218                         "modification of subschema subentry not supported" );
 219                 goto cleanup;
 220         }
 221
 222 #ifdef LDAP_DEBUG
 223 #ifdef NEW_LOGGING
 224         LDAP_LOG( OPERATION, DETAIL1, "do_modify: modifications:\n", 0, 0, 0  );
 225 #else
 226         Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
 227 #endif
 228
 229         for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 230 #ifdef NEW_LOGGING
 231                 LDAP_LOG( OPERATION, DETAIL1, "\t%s:  %s\n",
 232                         tmp->sml_op == LDAP_MOD_ADD ?
 233                         "add" : (tmp->sml_op == LDAP_MOD_DELETE ?
 234                         "delete" : "replace"), tmp->sml_type.bv_val, 0 );
 235
 236                 if ( tmp->sml_values == NULL ) {
 237                         LDAP_LOG( OPERATION, DETAIL1, "\t\tno values", 0, 0, 0 );
 238                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 239                         LDAP_LOG( OPERATION, DETAIL1, "\t\tzero values", 0, 0, 0 );
 240                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 241                         LDAP_LOG( OPERATION, DETAIL1, "\t\tone value", 0, 0, 0 );
 242                 } else {
 243                         LDAP_LOG( OPERATION, DETAIL1, "\t\tmultiple values", 0, 0, 0 );
 244                 }
 245
 246 #else
 247                 Debug( LDAP_DEBUG_ARGS, "\t%s: %s\n",
 248                         tmp->sml_op == LDAP_MOD_ADD
 249                                 ? "add" : (tmp->sml_op == LDAP_MOD_DELETE
 250                                         ? "delete" : "replace"), tmp->sml_type.bv_val, 0 );
 251
 252                 if ( tmp->sml_values == NULL ) {
 253                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 254                            "\t\tno values", NULL, NULL );
 255                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 256                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 257                            "\t\tzero values", NULL, NULL );
 258                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 259                         Debug( LDAP_DEBUG_ARGS, "%s, length %ld\n",
 260                            "\t\tone value", (long) tmp->sml_values[0].bv_len, NULL );
 261                 } else {
 262                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 263                            "\t\tmultiple values", NULL, NULL );
 264                 }
 265 #endif
 266         }
 267
 268         if ( StatslogTest( LDAP_DEBUG_STATS ) ) {
 269                 char abuf[BUFSIZ/2], *ptr = abuf;
 270                 int len = 0;
 271
 272                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD dn=\"%s\"\n",
 273                         op->o_connid, op->o_opid, dn.bv_val, 0, 0 );
 274
 275                 for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 276                         if (len + 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 277                                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 278                                     op->o_connid, op->o_opid, abuf, 0, 0 );
 279                                 len = 0;
 280                                 ptr = abuf;
 281                         }
 282                         if (len) {
 283                                 *ptr++ = ' ';
 284                                 len++;
 285                         }
 286                         ptr = lutil_strcopy(ptr, tmp->sml_type.bv_val);
 287                         len += tmp->sml_type.bv_len;
 288                 }
 289                 if (len) {
 290                         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 291                                 op->o_connid, op->o_opid, abuf, 0, 0 );
 292                 }
 293         }
 294 #endif  /* LDAP_DEBUG */
 295
 296         manageDSAit = get_manageDSAit( op );
 297
 298         /*
 299          * We could be serving multiple database backends.  Select the
 300          * appropriate one, or send a referral to our "referral server"
 301          * if we don't hold it.
 302          */
 303         if ( (op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 )) == NULL ) {
 304                 rs->sr_ref = referral_rewrite( default_referral,
 305                         NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 306                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 307
 308                 rs->sr_err = LDAP_REFERRAL;
 309                 send_ldap_result( op, rs );
 310
 311                 if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
 312                 goto cleanup;
 313         }
 314
 315         /* check restrictions */
 316         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 317                 send_ldap_result( op, rs );
 318                 goto cleanup;
 319         }
 320
 321         /* check for referrals */
 322         if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 323                 goto cleanup;
 324         }
 325
 326 #if defined( LDAP_SLAPI )
 327         slapi_x_pblock_set_operation( pb, op );
 328         slapi_pblock_set( pb, SLAPI_MODIFY_TARGET, (void *)dn.bv_val );
 329         slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 330         modv = slapi_x_modifications2ldapmods( &modlist );
 331         slapi_pblock_set( pb, SLAPI_MODIFY_MODS, (void *)modv );
 332
 333         rs->sr_err = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_MODIFY_FN, pb );
 334         if ( rs->sr_err != 0 ) {
 335                 /*
 336                  * A preoperation plugin failure will abort the
 337                  * entire operation.
 338                  */
 339 #ifdef NEW_LOGGING
 340                 LDAP_LOG( OPERATION, INFO, "do_modify: modify preoperation plugin "
 341                                 "failed\n", 0, 0, 0 );
 342 #else
 343                 Debug(LDAP_DEBUG_TRACE, "do_modify: modify preoperation plugin failed.\n",
 344                                 0, 0, 0);
 345 #endif
 346                 if ( slapi_pblock_get( pb, SLAPI_RESULT_CODE, (void *)&rs->sr_err ) != 0) {
 347                         rs->sr_err = LDAP_OTHER;
 348                 }
 349                 ldap_mods_free( modv, 1 );
 350                 modv = NULL;
 351                 goto cleanup;
 352         }
 353
 354         /*
 355          * It's possible that the preoperation plugin changed the
 356          * modification array, so we need to convert it back to
 357          * a Modification list.
 358          *
 359          * Calling slapi_x_modifications2ldapmods() destroyed modlist so
 360          * we don't need to free it.
 361          */
 362         slapi_pblock_get( pb, SLAPI_MODIFY_MODS, (void **)&modv );
 363         modlist = slapi_x_ldapmods2modifications( modv );
 364 #endif /* defined( LDAP_SLAPI ) */
 365
 366         /*
 367          * do the modify if 1 && (2 || 3)
 368          * 1) there is a modify function implemented in this backend;
 369          * 2) this backend is master for what it holds;
 370          * 3) it's a replica and the dn supplied is the update_ndn.
 371          */
 372         if ( op->o_bd->be_modify ) {
 373                 /* do the update here */
 374                 int repl_user = be_isupdate( op->o_bd, &op->o_ndn );
 375 #ifndef SLAPD_MULTIMASTER
 376                 /* Multimaster slapd does not have to check for replicator dn
 377                  * because it accepts each modify request
 378                  */
 379                 if ( !op->o_bd->be_update_ndn.bv_len || repl_user )
 380 #endif
 381                 {
 382                         int update = op->o_bd->be_update_ndn.bv_len;
 383                         char textbuf[SLAP_TEXT_BUFLEN];
 384                         size_t textlen = sizeof textbuf;
 385
 386                         rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
 387                                 textbuf, textlen );
 388
 389                         if( rs->sr_err != LDAP_SUCCESS ) {
 390                                 send_ldap_result( op, rs );
 391                                 goto cleanup;
 392                         }
 393
 394                         if ( !repl_user ) {
 395                                 for( modtail = &modlist;
 396                                         *modtail != NULL;
 397                                         modtail = &(*modtail)->sml_next )
 398                                 {
 399                                         /* empty */
 400                                 }
 401
 402                                 rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
 403                                         &rs->sr_text, textbuf, textlen );
 404                                 if( rs->sr_err != LDAP_SUCCESS ) {
 405                                         send_ldap_result( op, rs );
 406                                         goto cleanup;
 407                                 }
 408                         }
 409
 410                         op->orm_modlist = modlist;
 411                         if ( (op->o_bd->be_modify)( op, rs ) == 0
 412 #ifdef SLAPD_MULTIMASTER
 413                                 && !repl_user
 414 #endif
 415                         ) {
 416                                 /* but we log only the ones not from a replicator user */
 417                                 replog( op );
 418                         }
 419
 420 #ifndef SLAPD_MULTIMASTER
 421                 /* send a referral */
 422                 } else {
 423                         BerVarray defref = op->o_bd->be_update_refs
 424                                 ? op->o_bd->be_update_refs : default_referral;
 425                         rs->sr_ref = referral_rewrite( defref,
 426                                 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 427
 428                         if (!rs->sr_ref) rs->sr_ref = defref;
 429                         rs->sr_err = LDAP_REFERRAL;
 430                         send_ldap_result( op, rs );
 431                         if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
 432 #endif
 433                 }
 434         } else {
 435                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 436                     "operation not supported within namingContext" );
 437         }
 438
 439 #if defined( LDAP_SLAPI )
 440         if ( doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_MODIFY_FN, pb ) != 0 ) {
 441 #ifdef NEW_LOGGING
 442                 LDAP_LOG( OPERATION, INFO, "do_modify: modify postoperation plugins "
 443                                 "failed\n", 0, 0, 0 );
 444 #else
 445                 Debug(LDAP_DEBUG_TRACE, "do_modify: modify postoperation plugins "
 446                                 "failed.\n", 0, 0, 0);
 447 #endif
 448         }
 449 #endif /* defined( LDAP_SLAPI ) */
 450
 451 cleanup:
 452         free( op->o_req_dn.bv_val );
 453         free( op->o_req_ndn.bv_val );
 454         if ( modlist != NULL ) slap_mods_free( modlist );
 455 #if defined( LDAP_SLAPI )
 456         if ( modv != NULL ) slapi_x_free_ldapmods( modv );
 457 #endif
 458         return rs->sr_err;
 459 }
 460
 461 /*
 462  * Do basic attribute type checking and syntax validation.
 463  */
 464 int slap_mods_check(
 465         Modifications *ml,
 466         int update,
 467         const char **text,
 468         char *textbuf,
 469         size_t textlen )
 470 {
 471         int rc;
 472
 473         for( ; ml != NULL; ml = ml->sml_next ) {
 474                 AttributeDescription *ad = NULL;
 475
 476                 /* convert to attribute description */
 477                 rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
 478
 479                 if( rc != LDAP_SUCCESS ) {
 480                         snprintf( textbuf, textlen, "%s: %s",
 481                                 ml->sml_type.bv_val, *text );
 482                         *text = textbuf;
 483                         return rc;
 484                 }
 485
 486                 ad = ml->sml_desc;
 487
 488                 if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
 489                         && !slap_ad_is_binary( ad ))
 490                 {
 491                         /* attribute requires binary transfer */
 492                         snprintf( textbuf, textlen,
 493                                 "%s: requires ;binary transfer",
 494                                 ml->sml_type.bv_val );
 495                         *text = textbuf;
 496                         return LDAP_UNDEFINED_TYPE;
 497                 }
 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: disallows ;binary transfer",
 505                                 ml->sml_type.bv_val );
 506                         *text = textbuf;
 507                         return LDAP_UNDEFINED_TYPE;
 508                 }
 509
 510                 if( slap_ad_is_tag_range( ad )) {
 511                         /* attribute requires binary transfer */
 512                         snprintf( textbuf, textlen,
 513                                 "%s: inappropriate use of tag range option",
 514                                 ml->sml_type.bv_val );
 515                         *text = textbuf;
 516                         return LDAP_UNDEFINED_TYPE;
 517                 }
 518
 519                 if (!update && is_at_no_user_mod( ad->ad_type )) {
 520                         /* user modification disallowed */
 521                         snprintf( textbuf, textlen,
 522                                 "%s: no user modification allowed",
 523                                 ml->sml_type.bv_val );
 524                         *text = textbuf;
 525                         return LDAP_CONSTRAINT_VIOLATION;
 526                 }
 527
 528                 if ( is_at_obsolete( ad->ad_type ) &&
 529                         ( ml->sml_op == LDAP_MOD_ADD || ml->sml_values != NULL ) )
 530                 {
 531                         /*
 532                          * attribute is obsolete,
 533                          * only allow replace/delete with no values
 534                          */
 535                         snprintf( textbuf, textlen,
 536                                 "%s: attribute is obsolete",
 537                                 ml->sml_type.bv_val );
 538                         *text = textbuf;
 539                         return LDAP_CONSTRAINT_VIOLATION;
 540                 }
 541
 542                 /*
 543                  * check values
 544                  */
 545                 if( ml->sml_values != NULL ) {
 546                         ber_len_t nvals;
 547                         slap_syntax_validate_func *validate =
 548                                 ad->ad_type->sat_syntax->ssyn_validate;
 549                         slap_syntax_transform_func *pretty =
 550                                 ad->ad_type->sat_syntax->ssyn_pretty;
 551
 552                         if( !pretty && !validate ) {
 553                                 *text = "no validator for syntax";
 554                                 snprintf( textbuf, textlen,
 555                                         "%s: no validator for syntax %s",
 556                                         ml->sml_type.bv_val,
 557                                         ad->ad_type->sat_syntax->ssyn_oid );
 558                                 *text = textbuf;
 559                                 return LDAP_INVALID_SYNTAX;
 560                         }
 561
 562                         /*
 563                          * check that each value is valid per syntax
 564                          *      and pretty if appropriate
 565                          */
 566                         for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 567                                 struct berval pval;
 568                                 if( pretty ) {
 569                                         rc = pretty( ad->ad_type->sat_syntax,
 570                                                 &ml->sml_values[nvals], &pval );
 571                                 } else {
 572                                         rc = validate( ad->ad_type->sat_syntax,
 573                                                 &ml->sml_values[nvals] );
 574                                 }
 575
 576                                 if( rc != 0 ) {
 577                                         snprintf( textbuf, textlen,
 578                                                 "%s: value #%ld invalid per syntax",
 579                                                 ml->sml_type.bv_val, (long) nvals );
 580                                         *text = textbuf;
 581                                         return LDAP_INVALID_SYNTAX;
 582                                 }
 583
 584                                 if( pretty ) {
 585                                         ber_memfree( ml->sml_values[nvals].bv_val );
 586                                         ml->sml_values[nvals] = pval;
 587                                 }
 588                         }
 589
 590                         /*
 591                          * a rough single value check... an additional check is needed
 592                          * to catch add of single value to existing single valued attribute
 593                          */
 594                         if ((ml->sml_op == LDAP_MOD_ADD || ml->sml_op == LDAP_MOD_REPLACE)
 595                                 && nvals > 1 && is_at_single_value( ad->ad_type ))
 596                         {
 597                                 snprintf( textbuf, textlen,
 598                                         "%s: multiple values provided",
 599                                         ml->sml_type.bv_val );
 600                                 *text = textbuf;
 601                                 return LDAP_CONSTRAINT_VIOLATION;
 602                         }
 603
 604 #ifdef SLAP_NVALUES
 605                         if( nvals && ad->ad_type->sat_equality &&
 606                                 ad->ad_type->sat_equality->smr_normalize )
 607                         {
 608                                 ml->sml_nvalues = ch_malloc( (nvals+1)*sizeof(struct berval) );
 609                                 for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 610                                         rc = ad->ad_type->sat_equality->smr_normalize(
 611                                                 0,
 612                                                 ad->ad_type->sat_syntax,
 613                                                 ad->ad_type->sat_equality,
 614                                                 &ml->sml_values[nvals], &ml->sml_nvalues[nvals] );
 615                                         if( rc ) {
 616 #ifdef NEW_LOGGING
 617                                                 LDAP_LOG( OPERATION, DETAIL1,
 618                                                         "str2entry:  NULL (ssyn_normalize %d)\n",
 619                                                         rc, 0, 0 );
 620 #else
 621                                                 Debug( LDAP_DEBUG_ANY,
 622                                                         "<= str2entry NULL (ssyn_normalize %d)\n",
 623                                                         rc, 0, 0 );
 624 #endif
 625                                                 snprintf( textbuf, textlen,
 626                                                         "%s: value #%ld normalization failed",
 627                                                         ml->sml_type.bv_val, (long) nvals );
 628                                                 *text = textbuf;
 629                                                 return rc;
 630                                         }
 631                                 }
 632                                 ml->sml_nvalues[nvals].bv_val = NULL;
 633                                 ml->sml_nvalues[nvals].bv_len = 0;
 634                         }
 635 #endif
 636                 }
 637         }
 638
 639         return LDAP_SUCCESS;
 640 }
 641
 642 int slap_mods_opattrs(
 643         Operation *op,
 644         Modifications *mods,
 645         Modifications **modtail,
 646         const char **text,
 647         char *textbuf, size_t textlen )
 648 {
 649         struct berval name, timestamp, csn;
 650 #ifdef SLAP_NVALUES
 651         struct berval nname;
 652 #endif
 653         char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 654         char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
 655         Modifications *mod;
 656
 657         int mop = op->o_tag == LDAP_REQ_ADD
 658                 ? LDAP_MOD_ADD : LDAP_MOD_REPLACE;
 659
 660         assert( modtail != NULL );
 661         assert( *modtail == NULL );
 662
 663         if( SLAP_LASTMOD(op->o_bd) ) {
 664                 struct tm *ltm;
 665                 time_t now = slap_get_time();
 666
 667                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 668                 ltm = gmtime( &now );
 669                 lutil_gentime( timebuf, sizeof(timebuf), ltm );
 670
 671                 csn.bv_len = lutil_csnstr( csnbuf, sizeof( csnbuf ), 0, 0 );
 672                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 673                 csn.bv_val = csnbuf;
 674
 675                 timestamp.bv_val = timebuf;
 676                 timestamp.bv_len = strlen(timebuf);
 677
 678                 if( op->o_dn.bv_len == 0 ) {
 679                         name.bv_val = SLAPD_ANONYMOUS;
 680                         name.bv_len = sizeof(SLAPD_ANONYMOUS)-1;
 681 #ifdef SLAP_NVALUES
 682                         nname = name;
 683 #endif
 684                 } else {
 685                         name = op->o_dn;
 686 #ifdef SLAP_NVALUES
 687                         nname = op->o_ndn;
 688 #endif
 689                 }
 690         }
 691
 692         if( op->o_tag == LDAP_REQ_ADD ) {
 693                 struct berval tmpval;
 694
 695                 if( global_schemacheck ) {
 696                         int rc = mods_structural_class( mods, &tmpval,
 697                                 text, textbuf, textlen );
 698                         if( rc != LDAP_SUCCESS ) {
 699                                 return rc;
 700                         }
 701
 702                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 703                         mod->sml_op = mop;
 704                         mod->sml_type.bv_val = NULL;
 705                         mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
 706                         mod->sml_values =
 707                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 708                         ber_dupbv( &mod->sml_values[0], &tmpval );
 709                         mod->sml_values[1].bv_len = 0;
 710                         mod->sml_values[1].bv_val = NULL;
 711                         assert( mod->sml_values[0].bv_val );
 712 #ifdef SLAP_NVALUES
 713                         mod->sml_nvalues =
 714                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 715                         ber_dupbv( &mod->sml_nvalues[0], &tmpval );
 716                         mod->sml_nvalues[1].bv_len = 0;
 717                         mod->sml_nvalues[1].bv_val = NULL;
 718                         assert( mod->sml_nvalues[0].bv_val );
 719 #endif
 720                         *modtail = mod;
 721                         modtail = &mod->sml_next;
 722                 }
 723
 724                 if( SLAP_LASTMOD(op->o_bd) ) {
 725                         char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 726
 727                         tmpval.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
 728                         tmpval.bv_val = uuidbuf;
 729
 730                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 731                         mod->sml_op = mop;
 732                         mod->sml_type.bv_val = NULL;
 733                         mod->sml_desc = slap_schema.si_ad_entryUUID;
 734                         mod->sml_values =
 735                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 736                         ber_dupbv( &mod->sml_values[0], &tmpval );
 737                         mod->sml_values[1].bv_len = 0;
 738                         mod->sml_values[1].bv_val = NULL;
 739                         assert( mod->sml_values[0].bv_val );
 740 #ifdef SLAP_NVALUES
 741                         mod->sml_nvalues = NULL;
 742 #endif
 743                         *modtail = mod;
 744                         modtail = &mod->sml_next;
 745
 746                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 747                         mod->sml_op = mop;
 748                         mod->sml_type.bv_val = NULL;
 749                         mod->sml_desc = slap_schema.si_ad_creatorsName;
 750                         mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 751                         ber_dupbv( &mod->sml_values[0], &name );
 752                         mod->sml_values[1].bv_len = 0;
 753                         mod->sml_values[1].bv_val = NULL;
 754                         assert( mod->sml_values[0].bv_val );
 755 #ifdef SLAP_NVALUES
 756                         mod->sml_nvalues =
 757                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 758                         ber_dupbv( &mod->sml_nvalues[0], &nname );
 759                         mod->sml_nvalues[1].bv_len = 0;
 760                         mod->sml_nvalues[1].bv_val = NULL;
 761                         assert( mod->sml_nvalues[0].bv_val );
 762 #endif
 763                         *modtail = mod;
 764                         modtail = &mod->sml_next;
 765
 766                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 767                         mod->sml_op = mop;
 768                         mod->sml_type.bv_val = NULL;
 769                         mod->sml_desc = slap_schema.si_ad_createTimestamp;
 770                         mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 771                         ber_dupbv( &mod->sml_values[0], &timestamp );
 772                         mod->sml_values[1].bv_len = 0;
 773                         mod->sml_values[1].bv_val = NULL;
 774                         assert( mod->sml_values[0].bv_val );
 775 #ifdef SLAP_NVALUES
 776                         mod->sml_nvalues = NULL;
 777 #endif
 778                         *modtail = mod;
 779                         modtail = &mod->sml_next;
 780                 }
 781         }
 782
 783         if( SLAP_LASTMOD(op->o_bd) ) {
 784                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 785                 mod->sml_op = mop;
 786                 mod->sml_type.bv_val = NULL;
 787                 mod->sml_desc = slap_schema.si_ad_entryCSN;
 788                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 789                 ber_dupbv( &mod->sml_values[0], &csn );
 790                 mod->sml_values[1].bv_len = 0;
 791                 mod->sml_values[1].bv_val = NULL;
 792                 assert( mod->sml_values[0].bv_val );
 793 #ifdef SLAP_NVALUES
 794                 mod->sml_nvalues = NULL;
 795 #endif
 796                 *modtail = mod;
 797                 modtail = &mod->sml_next;
 798
 799                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 800                 mod->sml_op = mop;
 801                 mod->sml_type.bv_val = NULL;
 802                 mod->sml_desc = slap_schema.si_ad_modifiersName;
 803                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 804                 ber_dupbv( &mod->sml_values[0], &name );
 805                 mod->sml_values[1].bv_len = 0;
 806                 mod->sml_values[1].bv_val = NULL;
 807                 assert( mod->sml_values[0].bv_val );
 808 #ifdef SLAP_NVALUES
 809                 mod->sml_nvalues =
 810                         (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 811                 ber_dupbv( &mod->sml_nvalues[0], &nname );
 812                 mod->sml_nvalues[1].bv_len = 0;
 813                 mod->sml_nvalues[1].bv_val = NULL;
 814                 assert( mod->sml_nvalues[0].bv_val );
 815 #endif
 816                 *modtail = mod;
 817                 modtail = &mod->sml_next;
 818
 819                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 820                 mod->sml_op = mop;
 821                 mod->sml_type.bv_val = NULL;
 822                 mod->sml_desc = slap_schema.si_ad_modifyTimestamp;
 823                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 824                 ber_dupbv( &mod->sml_values[0], &timestamp );
 825                 mod->sml_values[1].bv_len = 0;
 826                 mod->sml_values[1].bv_val = NULL;
 827                 assert( mod->sml_values[0].bv_val );
 828 #ifdef SLAP_NVALUES
 829                 mod->sml_nvalues = NULL;
 830 #endif
 831                 *modtail = mod;
 832                 modtail = &mod->sml_next;
 833         }
 834
 835         *modtail = NULL;
 836         return LDAP_SUCCESS;
 837 }
 838