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

   1 /* $OpenLDAP$ */
   2 /*
   3  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6 /*
   7  * Copyright (c) 1995 Regents of the University of Michigan.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms are permitted
  11  * provided that this notice is preserved and that due credit is given
  12  * to the University of Michigan at Ann Arbor. The name of the University
  13  * may not be used to endorse or promote products derived from this
  14  * software without specific prior written permission. This software
  15  * is provided ``as is'' without express or implied warranty.
  16  */
  17
  18 #include "portable.h"
  19
  20 #include <stdio.h>
  21
  22 #include <ac/socket.h>
  23 #include <ac/string.h>
  24 #include <ac/time.h>
  25
  26 #include "ldap_pvt.h"
  27 #include "slap.h"
  28 #ifdef LDAP_SLAPI
  29 #include "slapi.h"
  30 #endif
  31 #include "lutil.h"
  32
  33
  34 int
  35 do_modify(
  36     Operation   *op,
  37     SlapReply   *rs )
  38 {
  39         struct berval dn = { 0, NULL };
  40         char            *last;
  41         ber_tag_t       tag;
  42         ber_len_t       len;
  43         Modifications   *modlist = NULL;
  44         Modifications   **modtail = &modlist;
  45 #ifdef LDAP_DEBUG
  46         Modifications *tmp;
  47 #endif
  48 #ifdef LDAP_SLAPI
  49         LDAPMod         **modv = NULL;
  50         Slapi_PBlock *pb = op->o_pb;
  51 #endif
  52         int manageDSAit;
  53
  54 #ifdef NEW_LOGGING
  55         LDAP_LOG( OPERATION, ENTRY, "do_modify: enter\n", 0, 0, 0 );
  56 #else
  57         Debug( LDAP_DEBUG_TRACE, "do_modify\n", 0, 0, 0 );
  58 #endif
  59
  60         /*
  61          * Parse the modify request.  It looks like this:
  62          *
  63          *      ModifyRequest := [APPLICATION 6] SEQUENCE {
  64          *              name    DistinguishedName,
  65          *              mods    SEQUENCE OF SEQUENCE {
  66          *                      operation       ENUMERATED {
  67          *                              add     (0),
  68          *                              delete  (1),
  69          *                              replace (2)
  70          *                      },
  71          *                      modification    SEQUENCE {
  72          *                              type    AttributeType,
  73          *                              values  SET OF AttributeValue
  74          *                      }
  75          *              }
  76          *      }
  77          */
  78
  79         if ( ber_scanf( op->o_ber, "{m" /*}*/, &dn ) == LBER_ERROR ) {
  80 #ifdef NEW_LOGGING
  81                 LDAP_LOG( OPERATION, ERR, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  82 #else
  83                 Debug( LDAP_DEBUG_ANY, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  84 #endif
  85
  86                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
  87                 return SLAPD_DISCONNECT;
  88         }
  89
  90 #ifdef NEW_LOGGING
  91         LDAP_LOG( OPERATION, ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
  92 #else
  93         Debug( LDAP_DEBUG_ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
  94 #endif
  95
  96
  97         /* collect modifications & save for later */
  98
  99         for ( tag = ber_first_element( op->o_ber, &len, &last );
 100             tag != LBER_DEFAULT;
 101             tag = ber_next_element( op->o_ber, &len, last ) )
 102         {
 103                 ber_int_t mop;
 104                 Modifications tmp, *mod;
 105
 106                 tmp.sml_nvalues = NULL;
 107
 108                 if ( ber_scanf( op->o_ber, "{i{m[W]}}", &mop,
 109                     &tmp.sml_type, &tmp.sml_values )
 110                     == LBER_ERROR )
 111                 {
 112                         send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding modlist error" );
 113                         rs->sr_err = SLAPD_DISCONNECT;
 114                         goto cleanup;
 115                 }
 116
 117                 mod = (Modifications *) ch_malloc( sizeof(Modifications) );
 118                 mod->sml_op = mop;
 119                 mod->sml_type = tmp.sml_type;
 120                 mod->sml_values = tmp.sml_values;
 121                 mod->sml_nvalues = NULL;
 122                 mod->sml_desc = NULL;
 123                 mod->sml_next = NULL;
 124                 *modtail = mod;
 125
 126                 switch( mop ) {
 127                 case LDAP_MOD_ADD:
 128                         if ( mod->sml_values == NULL ) {
 129 #ifdef NEW_LOGGING
 130                                 LDAP_LOG( OPERATION, ERR,
 131                                         "do_modify: modify/add operation (%ld) requires values\n",
 132                                         (long)mop, 0, 0 );
 133 #else
 134                                 Debug( LDAP_DEBUG_ANY,
 135                                         "do_modify: modify/add operation (%ld) requires values\n",
 136                                         (long) mop, 0, 0 );
 137 #endif
 138
 139                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 140                                         "modify/add operation requires values" );
 141                                 goto cleanup;
 142                         }
 143
 144                         /* fall through */
 145
 146                 case LDAP_MOD_DELETE:
 147                 case LDAP_MOD_REPLACE:
 148                         break;
 149
 150                 default: {
 151 #ifdef NEW_LOGGING
 152                                 LDAP_LOG( OPERATION, ERR,
 153                                         "do_modify: invalid modify operation (%ld)\n",
 154                                         (long)mop, 0, 0 );
 155 #else
 156                                 Debug( LDAP_DEBUG_ANY,
 157                                         "do_modify: invalid modify operation (%ld)\n",
 158                                         (long) mop, 0, 0 );
 159 #endif
 160
 161                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 162                                         "unrecognized modify operation" );
 163                                 goto cleanup;
 164                         }
 165                 }
 166
 167                 modtail = &mod->sml_next;
 168         }
 169         *modtail = NULL;
 170
 171         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 172 #ifdef NEW_LOGGING
 173                 LDAP_LOG( OPERATION, ERR, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 174 #else
 175                 Debug( LDAP_DEBUG_ANY, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 176 #endif
 177
 178                 goto cleanup;
 179         }
 180
 181         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
 182                 op->o_tmpmemctx );
 183         if( rs->sr_err != LDAP_SUCCESS ) {
 184 #ifdef NEW_LOGGING
 185                 LDAP_LOG( OPERATION, INFO, "do_modify: conn %d  invalid dn (%s)\n",
 186                         op->o_connid, dn.bv_val, 0 );
 187 #else
 188                 Debug( LDAP_DEBUG_ANY,
 189                         "do_modify: invalid dn (%s)\n", dn.bv_val, 0, 0 );
 190 #endif
 191                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 192                 goto cleanup;
 193         }
 194
 195         if( op->o_req_ndn.bv_len == 0 ) {
 196 #ifdef NEW_LOGGING
 197                 LDAP_LOG( OPERATION, ERR,
 198                         "do_modify: attempt to modify root DSE.\n",0, 0, 0 );
 199 #else
 200                 Debug( LDAP_DEBUG_ANY, "do_modify: root dse!\n", 0, 0, 0 );
 201 #endif
 202
 203                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 204                         "modify upon the root DSE not supported" );
 205                 goto cleanup;
 206
 207         } else if ( bvmatch( &op->o_req_ndn, &global_schemandn ) ) {
 208 #ifdef NEW_LOGGING
 209                 LDAP_LOG( OPERATION, ERR,
 210                         "do_modify: attempt to modify subschema subentry.\n" , 0, 0, 0  );
 211 #else
 212                 Debug( LDAP_DEBUG_ANY, "do_modify: subschema subentry!\n", 0, 0, 0 );
 213 #endif
 214
 215                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 216                         "modification of subschema subentry not supported" );
 217                 goto cleanup;
 218         }
 219
 220 #ifdef LDAP_DEBUG
 221 #ifdef NEW_LOGGING
 222         LDAP_LOG( OPERATION, DETAIL1, "do_modify: modifications:\n", 0, 0, 0  );
 223 #else
 224         Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
 225 #endif
 226
 227         for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 228 #ifdef NEW_LOGGING
 229                 LDAP_LOG( OPERATION, DETAIL1, "\t%s:  %s\n",
 230                         tmp->sml_op == LDAP_MOD_ADD ?
 231                         "add" : (tmp->sml_op == LDAP_MOD_DELETE ?
 232                         "delete" : "replace"), tmp->sml_type.bv_val, 0 );
 233
 234                 if ( tmp->sml_values == NULL ) {
 235                         LDAP_LOG( OPERATION, DETAIL1, "\t\tno values", 0, 0, 0 );
 236                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 237                         LDAP_LOG( OPERATION, DETAIL1, "\t\tzero values", 0, 0, 0 );
 238                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 239                         LDAP_LOG( OPERATION, DETAIL1, "\t\tone value", 0, 0, 0 );
 240                 } else {
 241                         LDAP_LOG( OPERATION, DETAIL1, "\t\tmultiple values", 0, 0, 0 );
 242                 }
 243
 244 #else
 245                 Debug( LDAP_DEBUG_ARGS, "\t%s: %s\n",
 246                         tmp->sml_op == LDAP_MOD_ADD
 247                                 ? "add" : (tmp->sml_op == LDAP_MOD_DELETE
 248                                         ? "delete" : "replace"), tmp->sml_type.bv_val, 0 );
 249
 250                 if ( tmp->sml_values == NULL ) {
 251                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 252                            "\t\tno values", NULL, NULL );
 253                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 254                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 255                            "\t\tzero values", NULL, NULL );
 256                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 257                         Debug( LDAP_DEBUG_ARGS, "%s, length %ld\n",
 258                            "\t\tone value", (long) tmp->sml_values[0].bv_len, NULL );
 259                 } else {
 260                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 261                            "\t\tmultiple values", NULL, NULL );
 262                 }
 263 #endif
 264         }
 265
 266         if ( StatslogTest( LDAP_DEBUG_STATS ) ) {
 267                 char abuf[BUFSIZ/2], *ptr = abuf;
 268                 int len = 0;
 269
 270                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD dn=\"%s\"\n",
 271                         op->o_connid, op->o_opid, dn.bv_val, 0, 0 );
 272
 273                 for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 274                         if (len + 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 275                                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 276                                     op->o_connid, op->o_opid, abuf, 0, 0 );
 277                                 len = 0;
 278                                 ptr = abuf;
 279                         }
 280                         if (len) {
 281                                 *ptr++ = ' ';
 282                                 len++;
 283                         }
 284                         ptr = lutil_strcopy(ptr, tmp->sml_type.bv_val);
 285                         len += tmp->sml_type.bv_len;
 286                 }
 287                 if (len) {
 288                         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 289                                 op->o_connid, op->o_opid, abuf, 0, 0 );
 290                 }
 291         }
 292 #endif  /* LDAP_DEBUG */
 293
 294         manageDSAit = get_manageDSAit( op );
 295
 296         /*
 297          * We could be serving multiple database backends.  Select the
 298          * appropriate one, or send a referral to our "referral server"
 299          * if we don't hold it.
 300          */
 301         op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
 302         if ( op->o_bd == NULL ) {
 303                 rs->sr_ref = referral_rewrite( default_referral,
 304                         NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 305                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 306
 307                 if (rs->sr_ref != NULL ) {
 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                 } else {
 313                         send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 314                                         "referral missing" );
 315                 }
 316                 goto cleanup;
 317         }
 318
 319         /* check restrictions */
 320         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 321                 send_ldap_result( op, rs );
 322                 goto cleanup;
 323         }
 324
 325         /* check for referrals */
 326         if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 327                 goto cleanup;
 328         }
 329
 330 #if defined( LDAP_SLAPI )
 331         slapi_x_pblock_set_operation( pb, op );
 332         slapi_pblock_set( pb, SLAPI_MODIFY_TARGET, (void *)dn.bv_val );
 333         slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 334         modv = slapi_x_modifications2ldapmods( &modlist );
 335         slapi_pblock_set( pb, SLAPI_MODIFY_MODS, (void *)modv );
 336
 337         rs->sr_err = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_MODIFY_FN, pb );
 338         if ( rs->sr_err < 0 ) {
 339                 /*
 340                  * A preoperation plugin failure will abort the
 341                  * entire operation.
 342                  */
 343 #ifdef NEW_LOGGING
 344                 LDAP_LOG( OPERATION, INFO, "do_modify: modify preoperation plugin "
 345                                 "failed\n", 0, 0, 0 );
 346 #else
 347                 Debug(LDAP_DEBUG_TRACE, "do_modify: modify preoperation plugin failed.\n",
 348                                 0, 0, 0);
 349 #endif
 350                 if ( ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE, (void *)&rs->sr_err ) != 0 )  ||
 351                      rs->sr_err == LDAP_SUCCESS ) {
 352                         rs->sr_err = LDAP_OTHER;
 353                 }
 354                 slapi_x_free_ldapmods( modv );
 355                 modv = NULL;
 356                 goto cleanup;
 357         }
 358
 359         /*
 360          * It's possible that the preoperation plugin changed the
 361          * modification array, so we need to convert it back to
 362          * a Modification list.
 363          *
 364          * Calling slapi_x_modifications2ldapmods() destroyed modlist so
 365          * we don't need to free it.
 366          */
 367         slapi_pblock_get( pb, SLAPI_MODIFY_MODS, (void **)&modv );
 368         modlist = slapi_x_ldapmods2modifications( modv );
 369
 370         /*
 371          * NB: it is valid for the plugin to return no modifications
 372          * (for example, a plugin might store some attributes elsewhere
 373          * and remove them from the modification list; if only those
 374          * attribute types were included in the modification request,
 375          * then slapi_x_ldapmods2modifications() above will return
 376          * NULL).
 377          *
 378          * However, the post-operation plugin should still be
 379          * called.
 380          */
 381         if ( modlist == NULL ) {
 382                 rs->sr_err = LDAP_SUCCESS;
 383                 send_ldap_result( op, rs );
 384         } else {
 385 #endif /* defined( LDAP_SLAPI ) */
 386
 387         /*
 388          * do the modify if 1 && (2 || 3)
 389          * 1) there is a modify function implemented in this backend;
 390          * 2) this backend is master for what it holds;
 391          * 3) it's a replica and the dn supplied is the update_ndn.
 392          */
 393         if ( op->o_bd->be_modify ) {
 394                 /* do the update here */
 395                 int repl_user = be_isupdate( op->o_bd, &op->o_ndn );
 396
 397                 /* Multimaster slapd does not have to check for replicator dn
 398                  * because it accepts each modify request
 399                  */
 400 #if defined(LDAP_SYNCREPL) && !defined(SLAPD_MULTIMASTER)
 401                 if ( !op->o_bd->syncinfo &&
 402                                 ( !op->o_bd->be_update_ndn.bv_len || repl_user ))
 403 #elif defined(LDAP_SYNCREPL) && defined(SLAPD_MULTIMASTER)
 404                 if ( !op->o_bd->syncinfo )  /* LDAP_SYNCREPL overrides MM */
 405 #elif !defined(LDAP_SYNCREPL) && !defined(SLAPD_MULTIMASTER)
 406                 if ( !op->o_bd->be_update_ndn.bv_len || repl_user )
 407 #endif
 408                 {
 409                         int update = op->o_bd->be_update_ndn.bv_len;
 410                         char textbuf[SLAP_TEXT_BUFLEN];
 411                         size_t textlen = sizeof textbuf;
 412
 413                         rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
 414                                 textbuf, textlen, NULL );
 415
 416                         if( rs->sr_err != LDAP_SUCCESS ) {
 417                                 send_ldap_result( op, rs );
 418                                 goto cleanup;
 419                         }
 420
 421                         if ( !repl_user ) {
 422                                 for( modtail = &modlist;
 423                                         *modtail != NULL;
 424                                         modtail = &(*modtail)->sml_next )
 425                                 {
 426                                         /* empty */
 427                                 }
 428
 429                                 rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
 430                                         &rs->sr_text, textbuf, textlen );
 431                                 if( rs->sr_err != LDAP_SUCCESS ) {
 432                                         send_ldap_result( op, rs );
 433                                         goto cleanup;
 434                                 }
 435                         }
 436
 437                         op->orm_modlist = modlist;
 438                         if ( (op->o_bd->be_modify)( op, rs ) == 0
 439 #ifdef SLAPD_MULTIMASTER
 440                                 && !repl_user
 441 #endif
 442                         ) {
 443                                 /* but we log only the ones not from a replicator user */
 444                                 replog( op );
 445                         }
 446
 447 #if defined(LDAP_SYNCREPL) || !defined(SLAPD_MULTIMASTER)
 448                 /* send a referral */
 449                 } else {
 450                         BerVarray defref = NULL;
 451 #ifdef LDAP_SYNCREPL
 452                         if ( op->o_bd->syncinfo ) {
 453                                 defref = op->o_bd->syncinfo->provideruri_bv;
 454                         } else
 455 #endif
 456                         {
 457                                 defref = op->o_bd->be_update_refs
 458                                                 ? op->o_bd->be_update_refs : default_referral;
 459                         }
 460                         if ( defref != NULL ) {
 461                                 rs->sr_ref = referral_rewrite( defref,
 462                                         NULL, &op->o_req_dn,
 463                                         LDAP_SCOPE_DEFAULT );
 464                                 if (!rs->sr_ref) rs->sr_ref = defref;
 465                                 rs->sr_err = LDAP_REFERRAL;
 466                                 send_ldap_result( op, rs );
 467                                 if (rs->sr_ref != defref) {
 468                                         ber_bvarray_free( rs->sr_ref );
 469                                 }
 470                         } else {
 471                                 send_ldap_error( op, rs,
 472                                                 LDAP_UNWILLING_TO_PERFORM,
 473                                                 "referral missing" );
 474                         }
 475 #endif
 476                 }
 477         } else {
 478                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 479                     "operation not supported within namingContext" );
 480         }
 481
 482 #if defined( LDAP_SLAPI )
 483         } /* modlist != NULL */
 484
 485         if ( doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_MODIFY_FN, pb ) < 0 ) {
 486 #ifdef NEW_LOGGING
 487                 LDAP_LOG( OPERATION, INFO, "do_modify: modify postoperation plugins "
 488                                 "failed\n", 0, 0, 0 );
 489 #else
 490                 Debug(LDAP_DEBUG_TRACE, "do_modify: modify postoperation plugins "
 491                                 "failed.\n", 0, 0, 0);
 492 #endif
 493         }
 494 #endif /* defined( LDAP_SLAPI ) */
 495
 496 cleanup:
 497         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 498         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 499         if ( modlist != NULL ) slap_mods_free( modlist );
 500 #if defined( LDAP_SLAPI )
 501         if ( modv != NULL ) slapi_x_free_ldapmods( modv );
 502 #endif
 503         return rs->sr_err;
 504 }
 505
 506 /*
 507  * Do basic attribute type checking and syntax validation.
 508  */
 509 int slap_mods_check(
 510         Modifications *ml,
 511         int update,
 512         const char **text,
 513         char *textbuf,
 514         size_t textlen,
 515         void *ctx )
 516 {
 517         int rc;
 518
 519         for( ; ml != NULL; ml = ml->sml_next ) {
 520                 AttributeDescription *ad = NULL;
 521
 522                 /* convert to attribute description */
 523                 rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
 524
 525                 if( rc != LDAP_SUCCESS ) {
 526                         snprintf( textbuf, textlen, "%s: %s",
 527                                 ml->sml_type.bv_val, *text );
 528                         *text = textbuf;
 529                         return rc;
 530                 }
 531
 532                 ad = ml->sml_desc;
 533
 534                 if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
 535                         && !slap_ad_is_binary( ad ))
 536                 {
 537                         /* attribute requires binary transfer */
 538                         snprintf( textbuf, textlen,
 539                                 "%s: requires ;binary transfer",
 540                                 ml->sml_type.bv_val );
 541                         *text = textbuf;
 542                         return LDAP_UNDEFINED_TYPE;
 543                 }
 544
 545                 if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
 546                         && slap_ad_is_binary( ad ))
 547                 {
 548                         /* attribute requires binary transfer */
 549                         snprintf( textbuf, textlen,
 550                                 "%s: disallows ;binary transfer",
 551                                 ml->sml_type.bv_val );
 552                         *text = textbuf;
 553                         return LDAP_UNDEFINED_TYPE;
 554                 }
 555
 556                 if( slap_ad_is_tag_range( ad )) {
 557                         /* attribute requires binary transfer */
 558                         snprintf( textbuf, textlen,
 559                                 "%s: inappropriate use of tag range option",
 560                                 ml->sml_type.bv_val );
 561                         *text = textbuf;
 562                         return LDAP_UNDEFINED_TYPE;
 563                 }
 564
 565                 if (!update && is_at_no_user_mod( ad->ad_type )) {
 566                         /* user modification disallowed */
 567                         snprintf( textbuf, textlen,
 568                                 "%s: no user modification allowed",
 569                                 ml->sml_type.bv_val );
 570                         *text = textbuf;
 571                         return LDAP_CONSTRAINT_VIOLATION;
 572                 }
 573
 574                 if ( is_at_obsolete( ad->ad_type ) &&
 575                         ( ml->sml_op == LDAP_MOD_ADD || ml->sml_values != NULL ) )
 576                 {
 577                         /*
 578                          * attribute is obsolete,
 579                          * only allow replace/delete with no values
 580                          */
 581                         snprintf( textbuf, textlen,
 582                                 "%s: attribute is obsolete",
 583                                 ml->sml_type.bv_val );
 584                         *text = textbuf;
 585                         return LDAP_CONSTRAINT_VIOLATION;
 586                 }
 587
 588                 /*
 589                  * check values
 590                  */
 591                 if( ml->sml_values != NULL ) {
 592                         ber_len_t nvals;
 593                         slap_syntax_validate_func *validate =
 594                                 ad->ad_type->sat_syntax->ssyn_validate;
 595                         slap_syntax_transform_func *pretty =
 596                                 ad->ad_type->sat_syntax->ssyn_pretty;
 597
 598                         if( !pretty && !validate ) {
 599                                 *text = "no validator for syntax";
 600                                 snprintf( textbuf, textlen,
 601                                         "%s: no validator for syntax %s",
 602                                         ml->sml_type.bv_val,
 603                                         ad->ad_type->sat_syntax->ssyn_oid );
 604                                 *text = textbuf;
 605                                 return LDAP_INVALID_SYNTAX;
 606                         }
 607
 608                         /*
 609                          * check that each value is valid per syntax
 610                          *      and pretty if appropriate
 611                          */
 612                         for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 613                                 struct berval pval;
 614                                 if( pretty ) {
 615                                         rc = pretty( ad->ad_type->sat_syntax,
 616                                                 &ml->sml_values[nvals], &pval, ctx );
 617                                 } else {
 618                                         rc = validate( ad->ad_type->sat_syntax,
 619                                                 &ml->sml_values[nvals] );
 620                                 }
 621
 622                                 if( rc != 0 ) {
 623                                         snprintf( textbuf, textlen,
 624                                                 "%s: value #%ld invalid per syntax",
 625                                                 ml->sml_type.bv_val, (long) nvals );
 626                                         *text = textbuf;
 627                                         return LDAP_INVALID_SYNTAX;
 628                                 }
 629
 630                                 if( pretty ) {
 631                                         ber_memfree_x( ml->sml_values[nvals].bv_val, ctx );
 632                                         ml->sml_values[nvals] = pval;
 633                                 }
 634                         }
 635
 636                         /*
 637                          * a rough single value check... an additional check is needed
 638                          * to catch add of single value to existing single valued attribute
 639                          */
 640                         if ((ml->sml_op == LDAP_MOD_ADD || ml->sml_op == LDAP_MOD_REPLACE)
 641                                 && nvals > 1 && is_at_single_value( ad->ad_type ))
 642                         {
 643                                 snprintf( textbuf, textlen,
 644                                         "%s: multiple values provided",
 645                                         ml->sml_type.bv_val );
 646                                 *text = textbuf;
 647                                 return LDAP_CONSTRAINT_VIOLATION;
 648                         }
 649
 650                         if( nvals && ad->ad_type->sat_equality &&
 651                                 ad->ad_type->sat_equality->smr_normalize )
 652                         {
 653                                 ml->sml_nvalues = ber_memalloc_x(
 654                                         (nvals+1)*sizeof(struct berval), ctx );
 655
 656                                 for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 657                                         rc = ad->ad_type->sat_equality->smr_normalize(
 658                                                 0,
 659                                                 ad->ad_type->sat_syntax,
 660                                                 ad->ad_type->sat_equality,
 661                                                 &ml->sml_values[nvals], &ml->sml_nvalues[nvals], ctx );
 662                                         if( rc ) {
 663 #ifdef NEW_LOGGING
 664                                                 LDAP_LOG( OPERATION, DETAIL1,
 665                                                         "str2entry:  NULL (ssyn_normalize %d)\n",
 666                                                         rc, 0, 0 );
 667 #else
 668                                                 Debug( LDAP_DEBUG_ANY,
 669                                                         "<= str2entry NULL (ssyn_normalize %d)\n",
 670                                                         rc, 0, 0 );
 671 #endif
 672                                                 snprintf( textbuf, textlen,
 673                                                         "%s: value #%ld normalization failed",
 674                                                         ml->sml_type.bv_val, (long) nvals );
 675                                                 *text = textbuf;
 676                                                 return rc;
 677                                         }
 678                                 }
 679
 680                                 ml->sml_nvalues[nvals].bv_val = NULL;
 681                                 ml->sml_nvalues[nvals].bv_len = 0;
 682
 683                         } else {
 684                         }
 685                 }
 686         }
 687
 688         return LDAP_SUCCESS;
 689 }
 690
 691 int slap_mods_opattrs(
 692         Operation *op,
 693         Modifications *mods,
 694         Modifications **modtail,
 695         const char **text,
 696         char *textbuf, size_t textlen )
 697 {
 698         struct berval name, timestamp, csn;
 699         struct berval nname;
 700         char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 701         char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
 702         Modifications *mod;
 703
 704         int mop = op->o_tag == LDAP_REQ_ADD
 705                 ? LDAP_MOD_ADD : LDAP_MOD_REPLACE;
 706
 707         assert( modtail != NULL );
 708         assert( *modtail == NULL );
 709
 710         if( SLAP_LASTMOD(op->o_bd) ) {
 711                 struct tm *ltm;
 712                 time_t now = slap_get_time();
 713
 714                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 715                 ltm = gmtime( &now );
 716                 lutil_gentime( timebuf, sizeof(timebuf), ltm );
 717
 718                 csn.bv_len = lutil_csnstr( csnbuf, sizeof( csnbuf ), 0, 0 );
 719                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 720                 csn.bv_val = csnbuf;
 721
 722                 timestamp.bv_val = timebuf;
 723                 timestamp.bv_len = strlen(timebuf);
 724
 725                 if( op->o_dn.bv_len == 0 ) {
 726                         name.bv_val = SLAPD_ANONYMOUS;
 727                         name.bv_len = sizeof(SLAPD_ANONYMOUS)-1;
 728                         nname = name;
 729                 } else {
 730                         name = op->o_dn;
 731                         nname = op->o_ndn;
 732                 }
 733         }
 734
 735         if( op->o_tag == LDAP_REQ_ADD ) {
 736                 struct berval tmpval;
 737
 738                 if( global_schemacheck ) {
 739                         int rc = mods_structural_class( mods, &tmpval,
 740                                 text, textbuf, textlen );
 741                         if( rc != LDAP_SUCCESS ) {
 742                                 return rc;
 743                         }
 744
 745                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 746                         mod->sml_op = mop;
 747                         mod->sml_type.bv_val = NULL;
 748                         mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
 749                         mod->sml_values =
 750                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 751                         ber_dupbv( &mod->sml_values[0], &tmpval );
 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                         mod->sml_nvalues =
 756                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 757                         ber_dupbv( &mod->sml_nvalues[0], &tmpval );
 758                         mod->sml_nvalues[1].bv_len = 0;
 759                         mod->sml_nvalues[1].bv_val = NULL;
 760                         assert( mod->sml_nvalues[0].bv_val );
 761                         *modtail = mod;
 762                         modtail = &mod->sml_next;
 763                 }
 764
 765                 if( SLAP_LASTMOD(op->o_bd) ) {
 766                         char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 767
 768                         tmpval.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
 769                         tmpval.bv_val = uuidbuf;
 770
 771                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 772                         mod->sml_op = mop;
 773                         mod->sml_type.bv_val = NULL;
 774                         mod->sml_desc = slap_schema.si_ad_entryUUID;
 775                         mod->sml_values =
 776                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 777                         ber_dupbv( &mod->sml_values[0], &tmpval );
 778                         mod->sml_values[1].bv_len = 0;
 779                         mod->sml_values[1].bv_val = NULL;
 780                         assert( mod->sml_values[0].bv_val );
 781                         mod->sml_nvalues = NULL;
 782                         *modtail = mod;
 783                         modtail = &mod->sml_next;
 784
 785                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 786                         mod->sml_op = mop;
 787                         mod->sml_type.bv_val = NULL;
 788                         mod->sml_desc = slap_schema.si_ad_creatorsName;
 789                         mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 790                         ber_dupbv( &mod->sml_values[0], &name );
 791                         mod->sml_values[1].bv_len = 0;
 792                         mod->sml_values[1].bv_val = NULL;
 793                         assert( mod->sml_values[0].bv_val );
 794                         mod->sml_nvalues =
 795                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 796                         ber_dupbv( &mod->sml_nvalues[0], &nname );
 797                         mod->sml_nvalues[1].bv_len = 0;
 798                         mod->sml_nvalues[1].bv_val = NULL;
 799                         assert( mod->sml_nvalues[0].bv_val );
 800                         *modtail = mod;
 801                         modtail = &mod->sml_next;
 802
 803                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 804                         mod->sml_op = mop;
 805                         mod->sml_type.bv_val = NULL;
 806                         mod->sml_desc = slap_schema.si_ad_createTimestamp;
 807                         mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 808                         ber_dupbv( &mod->sml_values[0], &timestamp );
 809                         mod->sml_values[1].bv_len = 0;
 810                         mod->sml_values[1].bv_val = NULL;
 811                         assert( mod->sml_values[0].bv_val );
 812                         mod->sml_nvalues = NULL;
 813                         *modtail = mod;
 814                         modtail = &mod->sml_next;
 815                 }
 816         }
 817
 818         if( SLAP_LASTMOD(op->o_bd) ) {
 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_entryCSN;
 823                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 824                 ber_dupbv( &mod->sml_values[0], &csn );
 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                 mod->sml_nvalues = NULL;
 829                 *modtail = mod;
 830                 modtail = &mod->sml_next;
 831
 832                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 833                 mod->sml_op = mop;
 834                 mod->sml_type.bv_val = NULL;
 835                 mod->sml_desc = slap_schema.si_ad_modifiersName;
 836                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 837                 ber_dupbv( &mod->sml_values[0], &name );
 838                 mod->sml_values[1].bv_len = 0;
 839                 mod->sml_values[1].bv_val = NULL;
 840                 assert( mod->sml_values[0].bv_val );
 841                 mod->sml_nvalues =
 842                         (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 843                 ber_dupbv( &mod->sml_nvalues[0], &nname );
 844                 mod->sml_nvalues[1].bv_len = 0;
 845                 mod->sml_nvalues[1].bv_val = NULL;
 846                 assert( mod->sml_nvalues[0].bv_val );
 847                 *modtail = mod;
 848                 modtail = &mod->sml_next;
 849
 850                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 851                 mod->sml_op = mop;
 852                 mod->sml_type.bv_val = NULL;
 853                 mod->sml_desc = slap_schema.si_ad_modifyTimestamp;
 854                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 855                 ber_dupbv( &mod->sml_values[0], &timestamp );
 856                 mod->sml_values[1].bv_len = 0;
 857                 mod->sml_values[1].bv_val = NULL;
 858                 assert( mod->sml_values[0].bv_val );
 859                 mod->sml_nvalues = NULL;
 860                 *modtail = mod;
 861                 modtail = &mod->sml_next;
 862         }
 863
 864         *modtail = NULL;
 865         return LDAP_SUCCESS;
 866 }
 867