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                 slapi_x_free_ldapmods( modv );
 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
 365         /*
 366          * NB: it is valid for the plugin to return no modifications
 367          * (for example, a plugin might store some attributes elsewhere
 368          * and remove them from the modification list; if only those
 369          * attribute types were included in the modification request,
 370          * then slapi_x_ldapmods2modifications() above will return
 371          * NULL).
 372          */
 373         if ( modlist == NULL ) {
 374                 rs->sr_err = LDAP_SUCCESS;
 375                 send_ldap_result( op, rs );
 376                 goto cleanup;
 377         }
 378 #endif /* defined( LDAP_SLAPI ) */
 379
 380         /*
 381          * do the modify if 1 && (2 || 3)
 382          * 1) there is a modify function implemented in this backend;
 383          * 2) this backend is master for what it holds;
 384          * 3) it's a replica and the dn supplied is the update_ndn.
 385          */
 386         if ( op->o_bd->be_modify ) {
 387                 /* do the update here */
 388                 int repl_user = be_isupdate( op->o_bd, &op->o_ndn );
 389 #ifndef SLAPD_MULTIMASTER
 390                 /* Multimaster slapd does not have to check for replicator dn
 391                  * because it accepts each modify request
 392                  */
 393                 if ( !op->o_bd->be_update_ndn.bv_len || repl_user )
 394 #endif
 395                 {
 396                         int update = op->o_bd->be_update_ndn.bv_len;
 397                         char textbuf[SLAP_TEXT_BUFLEN];
 398                         size_t textlen = sizeof textbuf;
 399
 400                         rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
 401                                 textbuf, textlen );
 402
 403                         if( rs->sr_err != LDAP_SUCCESS ) {
 404                                 send_ldap_result( op, rs );
 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                                 rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
 417                                         &rs->sr_text, textbuf, textlen );
 418                                 if( rs->sr_err != LDAP_SUCCESS ) {
 419                                         send_ldap_result( op, rs );
 420                                         goto cleanup;
 421                                 }
 422                         }
 423
 424                         op->orm_modlist = modlist;
 425                         if ( (op->o_bd->be_modify)( op, rs ) == 0
 426 #ifdef SLAPD_MULTIMASTER
 427                                 && !repl_user
 428 #endif
 429                         ) {
 430                                 /* but we log only the ones not from a replicator user */
 431                                 replog( op );
 432                         }
 433
 434 #ifndef SLAPD_MULTIMASTER
 435                 /* send a referral */
 436                 } else {
 437                         BerVarray defref = op->o_bd->be_update_refs
 438                                 ? op->o_bd->be_update_refs : default_referral;
 439                         rs->sr_ref = referral_rewrite( defref,
 440                                 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 441
 442                         if (!rs->sr_ref) rs->sr_ref = defref;
 443                         rs->sr_err = LDAP_REFERRAL;
 444                         send_ldap_result( op, rs );
 445                         if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
 446 #endif
 447                 }
 448         } else {
 449                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 450                     "operation not supported within namingContext" );
 451         }
 452
 453 #if defined( LDAP_SLAPI )
 454         if ( doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_MODIFY_FN, pb ) != 0 ) {
 455 #ifdef NEW_LOGGING
 456                 LDAP_LOG( OPERATION, INFO, "do_modify: modify postoperation plugins "
 457                                 "failed\n", 0, 0, 0 );
 458 #else
 459                 Debug(LDAP_DEBUG_TRACE, "do_modify: modify postoperation plugins "
 460                                 "failed.\n", 0, 0, 0);
 461 #endif
 462         }
 463 #endif /* defined( LDAP_SLAPI ) */
 464
 465 cleanup:
 466         free( op->o_req_dn.bv_val );
 467         free( op->o_req_ndn.bv_val );
 468         if ( modlist != NULL ) slap_mods_free( modlist );
 469 #if defined( LDAP_SLAPI )
 470         if ( modv != NULL ) slapi_x_free_ldapmods( modv );
 471 #endif
 472         return rs->sr_err;
 473 }
 474
 475 /*
 476  * Do basic attribute type checking and syntax validation.
 477  */
 478 int slap_mods_check(
 479         Modifications *ml,
 480         int update,
 481         const char **text,
 482         char *textbuf,
 483         size_t textlen )
 484 {
 485         int rc;
 486
 487         for( ; ml != NULL; ml = ml->sml_next ) {
 488                 AttributeDescription *ad = NULL;
 489
 490                 /* convert to attribute description */
 491                 rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
 492
 493                 if( rc != LDAP_SUCCESS ) {
 494                         snprintf( textbuf, textlen, "%s: %s",
 495                                 ml->sml_type.bv_val, *text );
 496                         *text = textbuf;
 497                         return rc;
 498                 }
 499
 500                 ad = ml->sml_desc;
 501
 502                 if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
 503                         && !slap_ad_is_binary( ad ))
 504                 {
 505                         /* attribute requires binary transfer */
 506                         snprintf( textbuf, textlen,
 507                                 "%s: requires ;binary transfer",
 508                                 ml->sml_type.bv_val );
 509                         *text = textbuf;
 510                         return LDAP_UNDEFINED_TYPE;
 511                 }
 512
 513                 if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
 514                         && slap_ad_is_binary( ad ))
 515                 {
 516                         /* attribute requires binary transfer */
 517                         snprintf( textbuf, textlen,
 518                                 "%s: disallows ;binary transfer",
 519                                 ml->sml_type.bv_val );
 520                         *text = textbuf;
 521                         return LDAP_UNDEFINED_TYPE;
 522                 }
 523
 524                 if( slap_ad_is_tag_range( ad )) {
 525                         /* attribute requires binary transfer */
 526                         snprintf( textbuf, textlen,
 527                                 "%s: inappropriate use of tag range option",
 528                                 ml->sml_type.bv_val );
 529                         *text = textbuf;
 530                         return LDAP_UNDEFINED_TYPE;
 531                 }
 532
 533                 if (!update && is_at_no_user_mod( ad->ad_type )) {
 534                         /* user modification disallowed */
 535                         snprintf( textbuf, textlen,
 536                                 "%s: no user modification allowed",
 537                                 ml->sml_type.bv_val );
 538                         *text = textbuf;
 539                         return LDAP_CONSTRAINT_VIOLATION;
 540                 }
 541
 542                 if ( is_at_obsolete( ad->ad_type ) &&
 543                         ( ml->sml_op == LDAP_MOD_ADD || ml->sml_values != NULL ) )
 544                 {
 545                         /*
 546                          * attribute is obsolete,
 547                          * only allow replace/delete with no values
 548                          */
 549                         snprintf( textbuf, textlen,
 550                                 "%s: attribute is obsolete",
 551                                 ml->sml_type.bv_val );
 552                         *text = textbuf;
 553                         return LDAP_CONSTRAINT_VIOLATION;
 554                 }
 555
 556                 /*
 557                  * check values
 558                  */
 559                 if( ml->sml_values != NULL ) {
 560                         ber_len_t nvals;
 561                         slap_syntax_validate_func *validate =
 562                                 ad->ad_type->sat_syntax->ssyn_validate;
 563                         slap_syntax_transform_func *pretty =
 564                                 ad->ad_type->sat_syntax->ssyn_pretty;
 565
 566                         if( !pretty && !validate ) {
 567                                 *text = "no validator for syntax";
 568                                 snprintf( textbuf, textlen,
 569                                         "%s: no validator for syntax %s",
 570                                         ml->sml_type.bv_val,
 571                                         ad->ad_type->sat_syntax->ssyn_oid );
 572                                 *text = textbuf;
 573                                 return LDAP_INVALID_SYNTAX;
 574                         }
 575
 576                         /*
 577                          * check that each value is valid per syntax
 578                          *      and pretty if appropriate
 579                          */
 580                         for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 581                                 struct berval pval;
 582                                 if( pretty ) {
 583                                         rc = pretty( ad->ad_type->sat_syntax,
 584                                                 &ml->sml_values[nvals], &pval );
 585                                 } else {
 586                                         rc = validate( ad->ad_type->sat_syntax,
 587                                                 &ml->sml_values[nvals] );
 588                                 }
 589
 590                                 if( rc != 0 ) {
 591                                         snprintf( textbuf, textlen,
 592                                                 "%s: value #%ld invalid per syntax",
 593                                                 ml->sml_type.bv_val, (long) nvals );
 594                                         *text = textbuf;
 595                                         return LDAP_INVALID_SYNTAX;
 596                                 }
 597
 598                                 if( pretty ) {
 599                                         ber_memfree( ml->sml_values[nvals].bv_val );
 600                                         ml->sml_values[nvals] = pval;
 601                                 }
 602                         }
 603
 604                         /*
 605                          * a rough single value check... an additional check is needed
 606                          * to catch add of single value to existing single valued attribute
 607                          */
 608                         if ((ml->sml_op == LDAP_MOD_ADD || ml->sml_op == LDAP_MOD_REPLACE)
 609                                 && nvals > 1 && is_at_single_value( ad->ad_type ))
 610                         {
 611                                 snprintf( textbuf, textlen,
 612                                         "%s: multiple values provided",
 613                                         ml->sml_type.bv_val );
 614                                 *text = textbuf;
 615                                 return LDAP_CONSTRAINT_VIOLATION;
 616                         }
 617
 618 #ifdef SLAP_NVALUES
 619                         if( nvals && ad->ad_type->sat_equality &&
 620                                 ad->ad_type->sat_equality->smr_normalize )
 621                         {
 622                                 ml->sml_nvalues = ch_malloc( (nvals+1)*sizeof(struct berval) );
 623                                 for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 624                                         rc = ad->ad_type->sat_equality->smr_normalize(
 625                                                 0,
 626                                                 ad->ad_type->sat_syntax,
 627                                                 ad->ad_type->sat_equality,
 628                                                 &ml->sml_values[nvals], &ml->sml_nvalues[nvals] );
 629                                         if( rc ) {
 630 #ifdef NEW_LOGGING
 631                                                 LDAP_LOG( OPERATION, DETAIL1,
 632                                                         "str2entry:  NULL (ssyn_normalize %d)\n",
 633                                                         rc, 0, 0 );
 634 #else
 635                                                 Debug( LDAP_DEBUG_ANY,
 636                                                         "<= str2entry NULL (ssyn_normalize %d)\n",
 637                                                         rc, 0, 0 );
 638 #endif
 639                                                 snprintf( textbuf, textlen,
 640                                                         "%s: value #%ld normalization failed",
 641                                                         ml->sml_type.bv_val, (long) nvals );
 642                                                 *text = textbuf;
 643                                                 return rc;
 644                                         }
 645                                 }
 646                                 ml->sml_nvalues[nvals].bv_val = NULL;
 647                                 ml->sml_nvalues[nvals].bv_len = 0;
 648                         }
 649 #endif
 650                 }
 651         }
 652
 653         return LDAP_SUCCESS;
 654 }
 655
 656 int slap_mods_opattrs(
 657         Operation *op,
 658         Modifications *mods,
 659         Modifications **modtail,
 660         const char **text,
 661         char *textbuf, size_t textlen )
 662 {
 663         struct berval name, timestamp, csn;
 664 #ifdef SLAP_NVALUES
 665         struct berval nname;
 666 #endif
 667         char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 668         char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
 669         Modifications *mod;
 670
 671         int mop = op->o_tag == LDAP_REQ_ADD
 672                 ? LDAP_MOD_ADD : LDAP_MOD_REPLACE;
 673
 674         assert( modtail != NULL );
 675         assert( *modtail == NULL );
 676
 677         if( SLAP_LASTMOD(op->o_bd) ) {
 678                 struct tm *ltm;
 679                 time_t now = slap_get_time();
 680
 681                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 682                 ltm = gmtime( &now );
 683                 lutil_gentime( timebuf, sizeof(timebuf), ltm );
 684
 685                 csn.bv_len = lutil_csnstr( csnbuf, sizeof( csnbuf ), 0, 0 );
 686                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 687                 csn.bv_val = csnbuf;
 688
 689                 timestamp.bv_val = timebuf;
 690                 timestamp.bv_len = strlen(timebuf);
 691
 692                 if( op->o_dn.bv_len == 0 ) {
 693                         name.bv_val = SLAPD_ANONYMOUS;
 694                         name.bv_len = sizeof(SLAPD_ANONYMOUS)-1;
 695 #ifdef SLAP_NVALUES
 696                         nname = name;
 697 #endif
 698                 } else {
 699                         name = op->o_dn;
 700 #ifdef SLAP_NVALUES
 701                         nname = op->o_ndn;
 702 #endif
 703                 }
 704         }
 705
 706         if( op->o_tag == LDAP_REQ_ADD ) {
 707                 struct berval tmpval;
 708
 709                 if( global_schemacheck ) {
 710                         int rc = mods_structural_class( mods, &tmpval,
 711                                 text, textbuf, textlen );
 712                         if( rc != LDAP_SUCCESS ) {
 713                                 return rc;
 714                         }
 715
 716                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 717                         mod->sml_op = mop;
 718                         mod->sml_type.bv_val = NULL;
 719                         mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
 720                         mod->sml_values =
 721                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 722                         ber_dupbv( &mod->sml_values[0], &tmpval );
 723                         mod->sml_values[1].bv_len = 0;
 724                         mod->sml_values[1].bv_val = NULL;
 725                         assert( mod->sml_values[0].bv_val );
 726 #ifdef SLAP_NVALUES
 727                         mod->sml_nvalues =
 728                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 729                         ber_dupbv( &mod->sml_nvalues[0], &tmpval );
 730                         mod->sml_nvalues[1].bv_len = 0;
 731                         mod->sml_nvalues[1].bv_val = NULL;
 732                         assert( mod->sml_nvalues[0].bv_val );
 733 #endif
 734                         *modtail = mod;
 735                         modtail = &mod->sml_next;
 736                 }
 737
 738                 if( SLAP_LASTMOD(op->o_bd) ) {
 739                         char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 740
 741                         tmpval.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
 742                         tmpval.bv_val = uuidbuf;
 743
 744                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 745                         mod->sml_op = mop;
 746                         mod->sml_type.bv_val = NULL;
 747                         mod->sml_desc = slap_schema.si_ad_entryUUID;
 748                         mod->sml_values =
 749                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 750                         ber_dupbv( &mod->sml_values[0], &tmpval );
 751                         mod->sml_values[1].bv_len = 0;
 752                         mod->sml_values[1].bv_val = NULL;
 753                         assert( mod->sml_values[0].bv_val );
 754 #ifdef SLAP_NVALUES
 755                         mod->sml_nvalues = NULL;
 756 #endif
 757                         *modtail = mod;
 758                         modtail = &mod->sml_next;
 759
 760                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 761                         mod->sml_op = mop;
 762                         mod->sml_type.bv_val = NULL;
 763                         mod->sml_desc = slap_schema.si_ad_creatorsName;
 764                         mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 765                         ber_dupbv( &mod->sml_values[0], &name );
 766                         mod->sml_values[1].bv_len = 0;
 767                         mod->sml_values[1].bv_val = NULL;
 768                         assert( mod->sml_values[0].bv_val );
 769 #ifdef SLAP_NVALUES
 770                         mod->sml_nvalues =
 771                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 772                         ber_dupbv( &mod->sml_nvalues[0], &nname );
 773                         mod->sml_nvalues[1].bv_len = 0;
 774                         mod->sml_nvalues[1].bv_val = NULL;
 775                         assert( mod->sml_nvalues[0].bv_val );
 776 #endif
 777                         *modtail = mod;
 778                         modtail = &mod->sml_next;
 779
 780                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 781                         mod->sml_op = mop;
 782                         mod->sml_type.bv_val = NULL;
 783                         mod->sml_desc = slap_schema.si_ad_createTimestamp;
 784                         mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 785                         ber_dupbv( &mod->sml_values[0], &timestamp );
 786                         mod->sml_values[1].bv_len = 0;
 787                         mod->sml_values[1].bv_val = NULL;
 788                         assert( mod->sml_values[0].bv_val );
 789 #ifdef SLAP_NVALUES
 790                         mod->sml_nvalues = NULL;
 791 #endif
 792                         *modtail = mod;
 793                         modtail = &mod->sml_next;
 794                 }
 795         }
 796
 797         if( SLAP_LASTMOD(op->o_bd) ) {
 798                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 799                 mod->sml_op = mop;
 800                 mod->sml_type.bv_val = NULL;
 801                 mod->sml_desc = slap_schema.si_ad_entryCSN;
 802                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 803                 ber_dupbv( &mod->sml_values[0], &csn );
 804                 mod->sml_values[1].bv_len = 0;
 805                 mod->sml_values[1].bv_val = NULL;
 806                 assert( mod->sml_values[0].bv_val );
 807 #ifdef SLAP_NVALUES
 808                 mod->sml_nvalues = NULL;
 809 #endif
 810                 *modtail = mod;
 811                 modtail = &mod->sml_next;
 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_modifiersName;
 817                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 818                 ber_dupbv( &mod->sml_values[0], &name );
 819                 mod->sml_values[1].bv_len = 0;
 820                 mod->sml_values[1].bv_val = NULL;
 821                 assert( mod->sml_values[0].bv_val );
 822 #ifdef SLAP_NVALUES
 823                 mod->sml_nvalues =
 824                         (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 825                 ber_dupbv( &mod->sml_nvalues[0], &nname );
 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 #endif
 830                 *modtail = mod;
 831                 modtail = &mod->sml_next;
 832
 833                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 834                 mod->sml_op = mop;
 835                 mod->sml_type.bv_val = NULL;
 836                 mod->sml_desc = slap_schema.si_ad_modifyTimestamp;
 837                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 838                 ber_dupbv( &mod->sml_values[0], &timestamp );
 839                 mod->sml_values[1].bv_len = 0;
 840                 mod->sml_values[1].bv_val = NULL;
 841                 assert( mod->sml_values[0].bv_val );
 842 #ifdef SLAP_NVALUES
 843                 mod->sml_nvalues = NULL;
 844 #endif
 845                 *modtail = mod;
 846                 modtail = &mod->sml_next;
 847         }
 848
 849         *modtail = NULL;
 850         return LDAP_SUCCESS;
 851 }
 852