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

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1998-2005 The OpenLDAP Foundation.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted only as authorized by the OpenLDAP
   9  * Public License.
  10  *
  11  * A copy of this license is available in the file LICENSE in the
  12  * top-level directory of the distribution or, alternatively, at
  13  * <http://www.OpenLDAP.org/license.html>.
  14  */
  15 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
  16  * All rights reserved.
  17  *
  18  * Redistribution and use in source and binary forms are permitted
  19  * provided that this notice is preserved and that due credit is given
  20  * to the University of Michigan at Ann Arbor. The name of the University
  21  * may not be used to endorse or promote products derived from this
  22  * software without specific prior written permission. This software
  23  * is provided ``as is'' without express or implied warranty.
  24  */
  25
  26 #include "portable.h"
  27
  28 #include <stdio.h>
  29
  30 #include <ac/socket.h>
  31 #include <ac/string.h>
  32 #include <ac/time.h>
  33
  34 #include "ldap_pvt.h"
  35 #include "slap.h"
  36 #ifdef LDAP_SLAPI
  37 #include "slapi/slapi.h"
  38 #endif
  39 #include "lutil.h"
  40
  41
  42 int
  43 do_modify(
  44     Operation   *op,
  45     SlapReply   *rs )
  46 {
  47         struct berval dn = BER_BVNULL;
  48         char            *last;
  49         ber_tag_t       tag;
  50         ber_len_t       len;
  51         Modifications   *modlist = NULL;
  52         Modifications   **modtail = &modlist;
  53 #ifdef LDAP_DEBUG
  54         Modifications *tmp;
  55 #endif
  56 #ifdef LDAP_SLAPI
  57         LDAPMod         **modv = NULL;
  58 #endif
  59         int manageDSAit;
  60         int increment = 0;
  61
  62 #ifdef NEW_LOGGING
  63         LDAP_LOG( OPERATION, ENTRY, "do_modify: enter\n", 0, 0, 0 );
  64 #else
  65         Debug( LDAP_DEBUG_TRACE, "do_modify\n", 0, 0, 0 );
  66 #endif
  67
  68         /*
  69          * Parse the modify request.  It looks like this:
  70          *
  71          *      ModifyRequest := [APPLICATION 6] SEQUENCE {
  72          *              name    DistinguishedName,
  73          *              mods    SEQUENCE OF SEQUENCE {
  74          *                      operation       ENUMERATED {
  75          *                              add     (0),
  76          *                              delete  (1),
  77          *                              replace (2)
  78          *                      },
  79          *                      modification    SEQUENCE {
  80          *                              type    AttributeType,
  81          *                              values  SET OF AttributeValue
  82          *                      }
  83          *              }
  84          *      }
  85          */
  86
  87         if ( ber_scanf( op->o_ber, "{m" /*}*/, &dn ) == LBER_ERROR ) {
  88 #ifdef NEW_LOGGING
  89                 LDAP_LOG( OPERATION, ERR, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  90 #else
  91                 Debug( LDAP_DEBUG_ANY, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  92 #endif
  93
  94                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
  95                 return SLAPD_DISCONNECT;
  96         }
  97
  98 #ifdef NEW_LOGGING
  99         LDAP_LOG( OPERATION, ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
 100 #else
 101         Debug( LDAP_DEBUG_ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
 102 #endif
 103
 104         /* collect modifications & save for later */
 105         for ( tag = ber_first_element( op->o_ber, &len, &last );
 106             tag != LBER_DEFAULT;
 107             tag = ber_next_element( op->o_ber, &len, last ) )
 108         {
 109                 ber_int_t mop;
 110                 Modifications tmp, *mod;
 111
 112                 tmp.sml_nvalues = NULL;
 113
 114                 if ( ber_scanf( op->o_ber, "{i{m[W]}}", &mop,
 115                     &tmp.sml_type, &tmp.sml_values ) == LBER_ERROR )
 116                 {
 117                         send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR,
 118                                 "decoding modlist error" );
 119                         rs->sr_err = SLAPD_DISCONNECT;
 120                         goto cleanup;
 121                 }
 122
 123                 mod = (Modifications *) ch_malloc( sizeof(Modifications) );
 124                 mod->sml_op = mop;
 125                 mod->sml_type = tmp.sml_type;
 126                 mod->sml_values = tmp.sml_values;
 127                 mod->sml_nvalues = NULL;
 128                 mod->sml_desc = NULL;
 129                 mod->sml_next = NULL;
 130                 *modtail = mod;
 131
 132                 switch( mop ) {
 133                 case LDAP_MOD_ADD:
 134                         if ( mod->sml_values == NULL ) {
 135 #ifdef NEW_LOGGING
 136                                 LDAP_LOG( OPERATION, ERR,
 137                                         "do_modify: modify/add operation (%ld) requires values\n",
 138                                         (long)mop, 0, 0 );
 139 #else
 140                                 Debug( LDAP_DEBUG_ANY,
 141                                         "do_modify: modify/add operation (%ld) requires values\n",
 142                                         (long) mop, 0, 0 );
 143 #endif
 144
 145                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 146                                         "modify/add operation requires values" );
 147                                 goto cleanup;
 148                         }
 149
 150                         /* fall through */
 151
 152                 case LDAP_MOD_DELETE:
 153                 case LDAP_MOD_REPLACE:
 154                         break;
 155
 156                 case LDAP_MOD_INCREMENT:
 157                         if( op->o_protocol >= LDAP_VERSION3 ) {
 158                                 increment++;
 159                                 if ( mod->sml_values == NULL ) {
 160 #ifdef NEW_LOGGING
 161                                         LDAP_LOG( OPERATION, ERR, "do_modify: "
 162                                                 "modify/increment operation (%ld) requires value\n",
 163                                                 (long)mop, 0, 0 );
 164 #else
 165                                         Debug( LDAP_DEBUG_ANY, "do_modify: "
 166                                                 "modify/increment operation (%ld) requires value\n",
 167                                                 (long) mop, 0, 0 );
 168 #endif
 169
 170                                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 171                                                 "modify/increment operation requires value" );
 172                                         goto cleanup;
 173                                 }
 174
 175                                 if( mod->sml_values[1].bv_val ) {
 176 #ifdef NEW_LOGGING
 177                                         LDAP_LOG( OPERATION, ERR, "do_modify: modify/increment "
 178                                                 "operation (%ld) requires single value\n",
 179                                                 (long)mop, 0, 0 );
 180 #else
 181                                         Debug( LDAP_DEBUG_ANY, "do_modify: modify/increment "
 182                                                 "operation (%ld) requires single value\n",
 183                                                 (long) mop, 0, 0 );
 184 #endif
 185
 186                                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 187                                                 "modify/increment operation requires single value" );
 188                                         goto cleanup;
 189                                 }
 190
 191                                 break;
 192                         }
 193                         /* fall thru */
 194
 195                 default: {
 196 #ifdef NEW_LOGGING
 197                                 LDAP_LOG( OPERATION, ERR,
 198                                         "do_modify: unrecognized modify operation (%ld)\n",
 199                                         (long)mop, 0, 0 );
 200 #else
 201                                 Debug( LDAP_DEBUG_ANY,
 202                                         "do_modify: unrecognized modify operation (%ld)\n",
 203                                         (long) mop, 0, 0 );
 204 #endif
 205
 206                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 207                                         "unrecognized modify operation" );
 208                                 goto cleanup;
 209                         }
 210                 }
 211
 212                 modtail = &mod->sml_next;
 213         }
 214         *modtail = NULL;
 215
 216         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 217 #ifdef NEW_LOGGING
 218                 LDAP_LOG( OPERATION, ERR, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 219 #else
 220                 Debug( LDAP_DEBUG_ANY, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 221 #endif
 222
 223                 goto cleanup;
 224         }
 225
 226         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
 227                 op->o_tmpmemctx );
 228         if( rs->sr_err != LDAP_SUCCESS ) {
 229 #ifdef NEW_LOGGING
 230                 LDAP_LOG( OPERATION, INFO, "do_modify: conn %d  invalid dn (%s)\n",
 231                         op->o_connid, dn.bv_val, 0 );
 232 #else
 233                 Debug( LDAP_DEBUG_ANY,
 234                         "do_modify: invalid dn (%s)\n", dn.bv_val, 0, 0 );
 235 #endif
 236                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 237                 goto cleanup;
 238         }
 239
 240         if( op->o_req_ndn.bv_len == 0 ) {
 241 #ifdef NEW_LOGGING
 242                 LDAP_LOG( OPERATION, ERR,
 243                         "do_modify: attempt to modify root DSE.\n",0, 0, 0 );
 244 #else
 245                 Debug( LDAP_DEBUG_ANY, "do_modify: root dse!\n", 0, 0, 0 );
 246 #endif
 247
 248                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 249                         "modify upon the root DSE not supported" );
 250                 goto cleanup;
 251
 252         } else if ( bvmatch( &op->o_req_ndn, &global_schemandn ) ) {
 253 #ifdef NEW_LOGGING
 254                 LDAP_LOG( OPERATION, ERR,
 255                         "do_modify: attempt to modify subschema subentry.\n" , 0, 0, 0  );
 256 #else
 257                 Debug( LDAP_DEBUG_ANY, "do_modify: subschema subentry!\n", 0, 0, 0 );
 258 #endif
 259
 260                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 261                         "modification of subschema subentry not supported" );
 262                 goto cleanup;
 263         }
 264
 265 #ifdef LDAP_DEBUG
 266 #ifdef NEW_LOGGING
 267         LDAP_LOG( OPERATION, DETAIL1, "do_modify: modifications:\n", 0, 0, 0  );
 268 #else
 269         Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
 270 #endif
 271
 272         for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 273 #ifdef NEW_LOGGING
 274                 LDAP_LOG( OPERATION, DETAIL1, "\t%s:  %s\n",
 275                         tmp->sml_op == LDAP_MOD_ADD ? "add" :
 276                                 (tmp->sml_op == LDAP_MOD_INCREMENT ? "increment" :
 277                                         (tmp->sml_op == LDAP_MOD_DELETE ? "delete" :
 278                                                 "replace")), tmp->sml_type.bv_val, 0 );
 279
 280                 if ( tmp->sml_values == NULL ) {
 281                         LDAP_LOG( OPERATION, DETAIL1, "\t\tno values", 0, 0, 0 );
 282                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 283                         LDAP_LOG( OPERATION, DETAIL1, "\t\tzero values", 0, 0, 0 );
 284                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 285                         LDAP_LOG( OPERATION, DETAIL1, "\t\tone value", 0, 0, 0 );
 286                 } else {
 287                         LDAP_LOG( OPERATION, DETAIL1, "\t\tmultiple values", 0, 0, 0 );
 288                 }
 289
 290 #else
 291                 Debug( LDAP_DEBUG_ARGS, "\t%s: %s\n",
 292                         tmp->sml_op == LDAP_MOD_ADD ? "add" :
 293                                 (tmp->sml_op == LDAP_MOD_INCREMENT ? "increment" :
 294                                 (tmp->sml_op == LDAP_MOD_DELETE ? "delete" :
 295                                         "replace")), tmp->sml_type.bv_val, 0 );
 296
 297                 if ( tmp->sml_values == NULL ) {
 298                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 299                            "\t\tno values", NULL, NULL );
 300                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 301                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 302                            "\t\tzero values", NULL, NULL );
 303                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 304                         Debug( LDAP_DEBUG_ARGS, "%s, length %ld\n",
 305                            "\t\tone value", (long) tmp->sml_values[0].bv_len, NULL );
 306                 } else {
 307                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 308                            "\t\tmultiple values", NULL, NULL );
 309                 }
 310 #endif
 311         }
 312
 313         if ( StatslogTest( LDAP_DEBUG_STATS ) ) {
 314                 char abuf[BUFSIZ/2], *ptr = abuf;
 315                 int len = 0;
 316
 317                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD dn=\"%s\"\n",
 318                         op->o_connid, op->o_opid, dn.bv_val, 0, 0 );
 319
 320                 for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 321                         if (len + 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 322                                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 323                                     op->o_connid, op->o_opid, abuf, 0, 0 );
 324
 325                         len = 0;
 326                                 ptr = abuf;
 327
 328                                 if( 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 329                                         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 330                                                 op->o_connid, op->o_opid, tmp->sml_type.bv_val, 0, 0 );
 331                                         continue;
 332                                 }
 333                         }
 334                         if (len) {
 335                                 *ptr++ = ' ';
 336                                 len++;
 337                         }
 338                         ptr = lutil_strcopy(ptr, tmp->sml_type.bv_val);
 339                         len += tmp->sml_type.bv_len;
 340                 }
 341                 if (len) {
 342                         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 343                                 op->o_connid, op->o_opid, abuf, 0, 0 );
 344                 }
 345         }
 346 #endif  /* LDAP_DEBUG */
 347
 348         manageDSAit = get_manageDSAit( op );
 349
 350         /*
 351          * We could be serving multiple database backends.  Select the
 352          * appropriate one, or send a referral to our "referral server"
 353          * if we don't hold it.
 354          */
 355         op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
 356         if ( op->o_bd == NULL ) {
 357                 rs->sr_ref = referral_rewrite( default_referral,
 358                         NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 359                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 360
 361                 if (rs->sr_ref != NULL ) {
 362                         rs->sr_err = LDAP_REFERRAL;
 363                         send_ldap_result( op, rs );
 364
 365                         if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
 366                 } else {
 367                         send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 368                                 "no global superior knowledge" );
 369                 }
 370                 goto cleanup;
 371         }
 372
 373         /* check restrictions */
 374         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 375                 send_ldap_result( op, rs );
 376                 goto cleanup;
 377         }
 378
 379         /* check for referrals */
 380         if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 381                 goto cleanup;
 382         }
 383
 384         /* check for modify/increment support */
 385         if( increment && !SLAP_INCREMENT( op->o_bd ) ) {
 386                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 387                         "modify/increment not supported in context" );
 388         }
 389
 390 #if defined( LDAP_SLAPI )
 391 #define pb      op->o_pb
 392         if ( pb ) {
 393                 slapi_int_pblock_set_operation( pb, op );
 394                 slapi_pblock_set( pb, SLAPI_MODIFY_TARGET, (void *)dn.bv_val );
 395                 slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 396                 modv = slapi_int_modifications2ldapmods( &modlist );
 397                 slapi_pblock_set( pb, SLAPI_MODIFY_MODS, (void *)modv );
 398
 399                 rs->sr_err = slapi_int_call_plugins( op->o_bd,
 400                         SLAPI_PLUGIN_PRE_MODIFY_FN, pb );
 401
 402                 /*
 403                  * It's possible that the preoperation plugin changed the
 404                  * modification array, so we need to convert it back to
 405                  * a Modification list.
 406                  *
 407                  * Calling slapi_int_modifications2ldapmods() destroyed modlist so
 408                  * we don't need to free it.
 409                  */
 410                 slapi_pblock_get( pb, SLAPI_MODIFY_MODS, (void **)&modv );
 411                 modlist = slapi_int_ldapmods2modifications( modv );
 412
 413                 if ( rs->sr_err < 0 ) {
 414                         /*
 415                          * A preoperation plugin failure will abort the
 416                          * entire operation.
 417                          */
 418 #ifdef NEW_LOGGING
 419                         LDAP_LOG( OPERATION, INFO,
 420                                 "do_modify: modify preoperation plugin failed\n",
 421                                 0, 0, 0 );
 422 #else
 423                         Debug(LDAP_DEBUG_TRACE,
 424                                 "do_modify: modify preoperation plugin failed.\n",
 425                                 0, 0, 0);
 426 #endif
 427                         if ( ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE,
 428                                 (void *)&rs->sr_err ) != 0 ) || rs->sr_err == LDAP_SUCCESS )
 429                         {
 430                                 rs->sr_err = LDAP_OTHER;
 431                         }
 432                         slapi_int_free_ldapmods( modv );
 433                         modv = NULL;
 434                         goto cleanup;
 435                 }
 436         }
 437
 438         /*
 439          * NB: it is valid for the plugin to return no modifications
 440          * (for example, a plugin might store some attributes elsewhere
 441          * and remove them from the modification list; if only those
 442          * attribute types were included in the modification request,
 443          * then slapi_int_ldapmods2modifications() above will return
 444          * NULL).
 445          *
 446          * However, the post-operation plugin should still be
 447          * called.
 448          */
 449 #endif /* defined( LDAP_SLAPI ) */
 450
 451         /*
 452          * do the modify if 1 && (2 || 3)
 453          * 1) there is a modify function implemented in this backend;
 454          * 2) this backend is master for what it holds;
 455          * 3) it's a replica and the dn supplied is the update_ndn.
 456          */
 457         if ( op->o_bd->be_modify ) {
 458                 /* do the update here */
 459                 int repl_user = be_isupdate( op );
 460
 461                 /* Multimaster slapd does not have to check for replicator dn
 462                  * because it accepts each modify request
 463                  */
 464 #ifndef SLAPD_MULTIMASTER
 465                 if ( !SLAP_SHADOW(op->o_bd) || repl_user )
 466 #endif
 467                 {
 468                         int update = op->o_bd->be_update_ndn.bv_len;
 469                         char textbuf[SLAP_TEXT_BUFLEN];
 470                         size_t textlen = sizeof textbuf;
 471                         slap_callback cb = { NULL, slap_replog_cb, NULL, NULL };
 472
 473                         rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
 474                                 textbuf, textlen, NULL );
 475
 476                         if( rs->sr_err != LDAP_SUCCESS ) {
 477                                 send_ldap_result( op, rs );
 478                                 goto cleanup;
 479                         }
 480
 481                         if ( !repl_user ) {
 482                                 for( modtail = &modlist;
 483                                         *modtail != NULL;
 484                                         modtail = &(*modtail)->sml_next )
 485                                 {
 486                                         /* empty */
 487                                 }
 488
 489                                 rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
 490                                         &rs->sr_text, textbuf, textlen, 1 );
 491                                 if( rs->sr_err != LDAP_SUCCESS ) {
 492                                         send_ldap_result( op, rs );
 493                                         goto cleanup;
 494                                 }
 495                         }
 496
 497                         op->orm_modlist = modlist;
 498 #ifdef SLAPD_MULTIMASTER
 499                         if ( !repl_user )
 500 #endif
 501                         {
 502                                 /* but we log only the ones not from a replicator user */
 503                                 cb.sc_next = op->o_callback;
 504                                 op->o_callback = &cb;
 505                         }
 506                         op->o_bd->be_modify( op, rs );
 507
 508 #ifndef SLAPD_MULTIMASTER
 509                 /* send a referral */
 510                 } else {
 511                         BerVarray defref = op->o_bd->be_update_refs
 512                                 ? op->o_bd->be_update_refs : default_referral;
 513                         if ( defref != NULL ) {
 514                                 rs->sr_ref = referral_rewrite( defref,
 515                                         NULL, &op->o_req_dn,
 516                                         LDAP_SCOPE_DEFAULT );
 517                                 if (!rs->sr_ref) rs->sr_ref = defref;
 518                                 rs->sr_err = LDAP_REFERRAL;
 519                                 send_ldap_result( op, rs );
 520                                 if (rs->sr_ref != defref) {
 521                                         ber_bvarray_free( rs->sr_ref );
 522                                 }
 523                         } else {
 524                                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 525                                         "shadow context; no update referral" );
 526                         }
 527 #endif
 528                 }
 529         } else {
 530                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 531                     "operation not supported within namingContext" );
 532         }
 533
 534 #if defined( LDAP_SLAPI )
 535         if ( pb != NULL && slapi_int_call_plugins( op->o_bd,
 536                 SLAPI_PLUGIN_POST_MODIFY_FN, pb ) < 0 )
 537         {
 538 #ifdef NEW_LOGGING
 539                 LDAP_LOG( OPERATION, INFO,
 540                         "do_modify: modify postoperation plugins failed\n", 0, 0, 0 );
 541 #else
 542                 Debug(LDAP_DEBUG_TRACE,
 543                         "do_modify: modify postoperation plugins failed.\n", 0, 0, 0);
 544 #endif
 545         }
 546 #endif /* defined( LDAP_SLAPI ) */
 547
 548 cleanup:
 549         slap_graduate_commit_csn( op );
 550
 551         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 552         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 553         if ( modlist != NULL ) slap_mods_free( modlist );
 554 #if defined( LDAP_SLAPI )
 555         if ( modv != NULL ) slapi_int_free_ldapmods( modv );
 556 #endif
 557         return rs->sr_err;
 558 }
 559
 560 /*
 561  * Do basic attribute type checking and syntax validation.
 562  */
 563 int slap_mods_check(
 564         Modifications *ml,
 565         int update,
 566         const char **text,
 567         char *textbuf,
 568         size_t textlen,
 569         void *ctx )
 570 {
 571         int rc;
 572
 573         for( ; ml != NULL; ml = ml->sml_next ) {
 574                 AttributeDescription *ad = NULL;
 575
 576                 /* convert to attribute description */
 577                 rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
 578
 579                 if( rc != LDAP_SUCCESS ) {
 580                         snprintf( textbuf, textlen, "%s: %s",
 581                                 ml->sml_type.bv_val, *text );
 582                         *text = textbuf;
 583                         return rc;
 584                 }
 585
 586                 ad = ml->sml_desc;
 587
 588                 if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
 589                         && !slap_ad_is_binary( ad ))
 590                 {
 591                         /* attribute requires binary transfer */
 592                         snprintf( textbuf, textlen,
 593                                 "%s: requires ;binary transfer",
 594                                 ml->sml_type.bv_val );
 595                         *text = textbuf;
 596                         return LDAP_UNDEFINED_TYPE;
 597                 }
 598
 599                 if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
 600                         && slap_ad_is_binary( ad ))
 601                 {
 602                         /* attribute does not require binary transfer */
 603                         snprintf( textbuf, textlen,
 604                                 "%s: disallows ;binary transfer",
 605                                 ml->sml_type.bv_val );
 606                         *text = textbuf;
 607                         return LDAP_UNDEFINED_TYPE;
 608                 }
 609
 610                 if( slap_ad_is_tag_range( ad )) {
 611                         /* attribute requires binary transfer */
 612                         snprintf( textbuf, textlen,
 613                                 "%s: inappropriate use of tag range option",
 614                                 ml->sml_type.bv_val );
 615                         *text = textbuf;
 616                         return LDAP_UNDEFINED_TYPE;
 617                 }
 618
 619                 if (!update && is_at_no_user_mod( ad->ad_type )) {
 620                         /* user modification disallowed */
 621                         snprintf( textbuf, textlen,
 622                                 "%s: no user modification allowed",
 623                                 ml->sml_type.bv_val );
 624                         *text = textbuf;
 625                         return LDAP_CONSTRAINT_VIOLATION;
 626                 }
 627
 628                 if ( is_at_obsolete( ad->ad_type ) &&
 629                         (( ml->sml_op != LDAP_MOD_REPLACE &&
 630                                 ml->sml_op != LDAP_MOD_DELETE ) ||
 631                                         ml->sml_values != NULL ))
 632                 {
 633                         /*
 634                          * attribute is obsolete,
 635                          * only allow replace/delete with no values
 636                          */
 637                         snprintf( textbuf, textlen,
 638                                 "%s: attribute is obsolete",
 639                                 ml->sml_type.bv_val );
 640                         *text = textbuf;
 641                         return LDAP_CONSTRAINT_VIOLATION;
 642                 }
 643
 644                 if ( ml->sml_op == LDAP_MOD_INCREMENT &&
 645 #ifdef SLAPD_REAL_SYNTAX
 646                         !is_at_syntax( ad->ad_type, SLAPD_REAL_SYNTAX ) &&
 647 #endif
 648                         !is_at_syntax( ad->ad_type, SLAPD_INTEGER_SYNTAX ) )
 649                 {
 650                         /*
 651                          * attribute values must be INTEGER or REAL
 652                          */
 653                         snprintf( textbuf, textlen,
 654                                 "%s: attribute syntax inappropriate for increment",
 655                                 ml->sml_type.bv_val );
 656                         *text = textbuf;
 657                         return LDAP_CONSTRAINT_VIOLATION;
 658                 }
 659
 660                 /*
 661                  * check values
 662                  */
 663                 if( ml->sml_values != NULL ) {
 664                         ber_len_t nvals;
 665                         slap_syntax_validate_func *validate =
 666                                 ad->ad_type->sat_syntax->ssyn_validate;
 667                         slap_syntax_transform_func *pretty =
 668                                 ad->ad_type->sat_syntax->ssyn_pretty;
 669
 670                         if( !pretty && !validate ) {
 671                                 *text = "no validator for syntax";
 672                                 snprintf( textbuf, textlen,
 673                                         "%s: no validator for syntax %s",
 674                                         ml->sml_type.bv_val,
 675                                         ad->ad_type->sat_syntax->ssyn_oid );
 676                                 *text = textbuf;
 677                                 return LDAP_INVALID_SYNTAX;
 678                         }
 679
 680                         /*
 681                          * check that each value is valid per syntax
 682                          *      and pretty if appropriate
 683                          */
 684                         for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 685                                 struct berval pval;
 686                                 if( pretty ) {
 687                                         rc = pretty( ad->ad_type->sat_syntax,
 688                                                 &ml->sml_values[nvals], &pval, ctx );
 689                                 } else {
 690                                         rc = validate( ad->ad_type->sat_syntax,
 691                                                 &ml->sml_values[nvals] );
 692                                 }
 693
 694                                 if( rc != 0 ) {
 695                                         snprintf( textbuf, textlen,
 696                                                 "%s: value #%ld invalid per syntax",
 697                                                 ml->sml_type.bv_val, (long) nvals );
 698                                         *text = textbuf;
 699                                         return LDAP_INVALID_SYNTAX;
 700                                 }
 701
 702                                 if( pretty ) {
 703                                         ber_memfree_x( ml->sml_values[nvals].bv_val, ctx );
 704                                         ml->sml_values[nvals] = pval;
 705                                 }
 706                         }
 707
 708                         /*
 709                          * a rough single value check... an additional check is needed
 710                          * to catch add of single value to existing single valued attribute
 711                          */
 712                         if ((ml->sml_op == LDAP_MOD_ADD || ml->sml_op == LDAP_MOD_REPLACE)
 713                                 && nvals > 1 && is_at_single_value( ad->ad_type ))
 714                         {
 715                                 snprintf( textbuf, textlen,
 716                                         "%s: multiple values provided",
 717                                         ml->sml_type.bv_val );
 718                                 *text = textbuf;
 719                                 return LDAP_CONSTRAINT_VIOLATION;
 720                         }
 721
 722                         /* if the type has a normalizer, generate the
 723                          * normalized values. otherwise leave them NULL.
 724                          *
 725                          * this is different from the rule for attributes
 726                          * in an entry - in an attribute list, the normalized
 727                          * value is set equal to the non-normalized value
 728                          * when there is no normalizer.
 729                          */
 730                         if( nvals && ad->ad_type->sat_equality &&
 731                                 ad->ad_type->sat_equality->smr_normalize )
 732                         {
 733                                 ml->sml_nvalues = ber_memalloc_x(
 734                                         (nvals+1)*sizeof(struct berval), ctx );
 735
 736                                 for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 737                                         rc = ad->ad_type->sat_equality->smr_normalize(
 738                                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 739                                                 ad->ad_type->sat_syntax,
 740                                                 ad->ad_type->sat_equality,
 741                                                 &ml->sml_values[nvals], &ml->sml_nvalues[nvals], ctx );
 742                                         if( rc ) {
 743 #ifdef NEW_LOGGING
 744                                                 LDAP_LOG( OPERATION, DETAIL1,
 745                                                         "str2entry:  NULL (ssyn_normalize %d)\n",
 746                                                         rc, 0, 0 );
 747 #else
 748                                                 Debug( LDAP_DEBUG_ANY,
 749                                                         "<= str2entry NULL (ssyn_normalize %d)\n",
 750                                                         rc, 0, 0 );
 751 #endif
 752                                                 snprintf( textbuf, textlen,
 753                                                         "%s: value #%ld normalization failed",
 754                                                         ml->sml_type.bv_val, (long) nvals );
 755                                                 *text = textbuf;
 756                                                 return rc;
 757                                         }
 758                                 }
 759
 760                                 ml->sml_nvalues[nvals].bv_val = NULL;
 761                                 ml->sml_nvalues[nvals].bv_len = 0;
 762                         }
 763
 764                         if( nvals ) {
 765                                 /* check for duplicates */
 766                                 int             i, j;
 767                                 MatchingRule *mr = ad->ad_type->sat_equality;
 768
 769                                 /* check if the values we're adding already exist */
 770                                 if( mr == NULL || !mr->smr_match ) {
 771                                         for ( i = 1; ml->sml_values[i].bv_val != NULL; i++ ) {
 772                                                 /* test asserted values against themselves */
 773                                                 for( j = 0; j < i; j++ ) {
 774                                                         if ( bvmatch( &ml->sml_values[i],
 775                                                                 &ml->sml_values[j] ) )
 776                                                         {
 777                                                                 /* value exists already */
 778                                                                 snprintf( textbuf, textlen,
 779                                                                         "%s: value #%d provided more than once",
 780                                                                         ml->sml_desc->ad_cname.bv_val, j );
 781                                                                 *text = textbuf;
 782                                                                 return LDAP_TYPE_OR_VALUE_EXISTS;
 783                                                         }
 784                                                 }
 785                                         }
 786
 787                                 } else {
 788                                         int rc;
 789                                         int match;
 790
 791                                         for ( i = 1; ml->sml_values[i].bv_val != NULL; i++ ) {
 792                                                 /* test asserted values against themselves */
 793                                                 for( j = 0; j < i; j++ ) {
 794                                                         rc = value_match( &match, ml->sml_desc, mr,
 795                                                                 SLAP_MR_EQUALITY
 796                                                                         | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX
 797                                                                         | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
 798                                                                         | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
 799                                                                 ml->sml_nvalues
 800                                                                         ? &ml->sml_nvalues[i]
 801                                                                         : &ml->sml_values[i],
 802                                                                 ml->sml_nvalues
 803                                                                         ? &ml->sml_nvalues[j]
 804                                                                         : &ml->sml_values[j],
 805                                                                 text );
 806                                                         if ( rc == LDAP_SUCCESS && match == 0 ) {
 807                                                                 /* value exists already */
 808                                                                 snprintf( textbuf, textlen,
 809                                                                         "%s: value #%d provided more than once",
 810                                                                         ml->sml_desc->ad_cname.bv_val, j );
 811                                                                 *text = textbuf;
 812                                                                 return LDAP_TYPE_OR_VALUE_EXISTS;
 813
 814                                                         } else if ( rc != LDAP_SUCCESS ) {
 815                                                                 return rc;
 816                                                         }
 817                                                 }
 818                                         }
 819                                 }
 820                         }
 821
 822                 }
 823         }
 824
 825         return LDAP_SUCCESS;
 826 }
 827
 828 int slap_mods_opattrs(
 829         Operation *op,
 830         Modifications *mods,
 831         Modifications **modtail,
 832         const char **text,
 833         char *textbuf, size_t textlen,
 834         int manage_ctxcsn )
 835 {
 836         struct berval name, timestamp, csn;
 837         struct berval nname;
 838         char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 839         char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
 840         Modifications *mod;
 841
 842         int mop = op->o_tag == LDAP_REQ_ADD
 843                 ? LDAP_MOD_ADD : LDAP_MOD_REPLACE;
 844
 845         assert( modtail != NULL );
 846         assert( *modtail == NULL );
 847
 848         if ( SLAP_LASTMOD( op->o_bd )) {
 849                 struct tm *ltm;
 850 #ifdef HAVE_GMTIME_R
 851                 struct tm ltm_buf;
 852 #endif
 853                 time_t now = slap_get_time();
 854
 855 #ifdef HAVE_GMTIME_R
 856                 ltm = gmtime_r( &now, &ltm_buf );
 857 #else
 858                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 859                 ltm = gmtime( &now );
 860 #endif /* HAVE_GMTIME_R */
 861                 lutil_gentime( timebuf, sizeof(timebuf), ltm );
 862
 863                 slap_get_csn( op, csnbuf, sizeof(csnbuf), &csn, manage_ctxcsn );
 864
 865 #ifndef HAVE_GMTIME_R
 866                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 867 #endif
 868
 869                 timestamp.bv_val = timebuf;
 870                 timestamp.bv_len = strlen(timebuf);
 871
 872                 if( op->o_dn.bv_len == 0 ) {
 873                         name.bv_val = SLAPD_ANONYMOUS;
 874                         name.bv_len = sizeof(SLAPD_ANONYMOUS)-1;
 875                         nname = name;
 876                 } else {
 877                         name = op->o_dn;
 878                         nname = op->o_ndn;
 879                 }
 880         }
 881
 882         if( op->o_tag == LDAP_REQ_ADD ) {
 883                 struct berval tmpval;
 884
 885                 if( global_schemacheck ) {
 886                         int rc = mods_structural_class( mods, &tmpval,
 887                                 text, textbuf, textlen );
 888                         if( rc != LDAP_SUCCESS ) return rc;
 889
 890                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 891                         mod->sml_op = mop;
 892                         mod->sml_type.bv_val = NULL;
 893                         mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
 894                         mod->sml_values =
 895                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 896                         ber_dupbv( &mod->sml_values[0], &tmpval );
 897                         mod->sml_values[1].bv_len = 0;
 898                         mod->sml_values[1].bv_val = NULL;
 899                         assert( mod->sml_values[0].bv_val );
 900                         mod->sml_nvalues =
 901                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 902                         ber_dupbv( &mod->sml_nvalues[0], &tmpval );
 903                         mod->sml_nvalues[1].bv_len = 0;
 904                         mod->sml_nvalues[1].bv_val = NULL;
 905                         assert( mod->sml_nvalues[0].bv_val );
 906                         *modtail = mod;
 907                         modtail = &mod->sml_next;
 908                 }
 909
 910                 if ( SLAP_LASTMOD( op->o_bd )) {
 911                         char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 912
 913                         tmpval.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
 914                         tmpval.bv_val = uuidbuf;
 915
 916                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 917                         mod->sml_op = mop;
 918                         mod->sml_type.bv_val = NULL;
 919                         mod->sml_desc = slap_schema.si_ad_entryUUID;
 920                         mod->sml_values =
 921                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 922                         ber_dupbv( &mod->sml_values[0], &tmpval );
 923                         mod->sml_values[1].bv_len = 0;
 924                         mod->sml_values[1].bv_val = NULL;
 925                         assert( mod->sml_values[0].bv_val );
 926                         mod->sml_nvalues =
 927                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 928                         (*mod->sml_desc->ad_type->sat_equality->smr_normalize)(
 929                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 930                                         mod->sml_desc->ad_type->sat_syntax,
 931                                         mod->sml_desc->ad_type->sat_equality,
 932                                         mod->sml_values, mod->sml_nvalues, NULL );
 933                         mod->sml_nvalues[1].bv_len = 0;
 934                         mod->sml_nvalues[1].bv_val = NULL;
 935                         *modtail = mod;
 936                         modtail = &mod->sml_next;
 937
 938                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 939                         mod->sml_op = mop;
 940                         mod->sml_type.bv_val = NULL;
 941                         mod->sml_desc = slap_schema.si_ad_creatorsName;
 942                         mod->sml_values =
 943                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 944                         ber_dupbv( &mod->sml_values[0], &name );
 945                         mod->sml_values[1].bv_len = 0;
 946                         mod->sml_values[1].bv_val = NULL;
 947                         assert( mod->sml_values[0].bv_val );
 948                         mod->sml_nvalues =
 949                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 950                         ber_dupbv( &mod->sml_nvalues[0], &nname );
 951                         mod->sml_nvalues[1].bv_len = 0;
 952                         mod->sml_nvalues[1].bv_val = NULL;
 953                         assert( mod->sml_nvalues[0].bv_val );
 954                         *modtail = mod;
 955                         modtail = &mod->sml_next;
 956
 957                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 958                         mod->sml_op = mop;
 959                         mod->sml_type.bv_val = NULL;
 960                         mod->sml_desc = slap_schema.si_ad_createTimestamp;
 961                         mod->sml_values =
 962                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 963                         ber_dupbv( &mod->sml_values[0], &timestamp );
 964                         mod->sml_values[1].bv_len = 0;
 965                         mod->sml_values[1].bv_val = NULL;
 966                         assert( mod->sml_values[0].bv_val );
 967                         mod->sml_nvalues = NULL;
 968                         *modtail = mod;
 969                         modtail = &mod->sml_next;
 970                 }
 971         }
 972
 973         if ( SLAP_LASTMOD( op->o_bd )) {
 974                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 975                 mod->sml_op = mop;
 976                 mod->sml_type.bv_val = NULL;
 977                 mod->sml_desc = slap_schema.si_ad_entryCSN;
 978                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 979                 ber_dupbv( &mod->sml_values[0], &csn );
 980                 mod->sml_values[1].bv_len = 0;
 981                 mod->sml_values[1].bv_val = NULL;
 982                 assert( mod->sml_values[0].bv_val );
 983                 mod->sml_nvalues = NULL;
 984                 *modtail = mod;
 985                 modtail = &mod->sml_next;
 986
 987                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 988                 mod->sml_op = mop;
 989                 mod->sml_type.bv_val = NULL;
 990                 mod->sml_desc = slap_schema.si_ad_modifiersName;
 991                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 992                 ber_dupbv( &mod->sml_values[0], &name );
 993                 mod->sml_values[1].bv_len = 0;
 994                 mod->sml_values[1].bv_val = NULL;
 995                 assert( mod->sml_values[0].bv_val );
 996                 mod->sml_nvalues =
 997                         (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 998                 ber_dupbv( &mod->sml_nvalues[0], &nname );
 999                 mod->sml_nvalues[1].bv_len = 0;
1000                 mod->sml_nvalues[1].bv_val = NULL;
1001                 assert( mod->sml_nvalues[0].bv_val );
1002                 *modtail = mod;
1003                 modtail = &mod->sml_next;
1004
1005                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1006                 mod->sml_op = mop;
1007                 mod->sml_type.bv_val = NULL;
1008                 mod->sml_desc = slap_schema.si_ad_modifyTimestamp;
1009                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1010                 ber_dupbv( &mod->sml_values[0], &timestamp );
1011                 mod->sml_values[1].bv_len = 0;
1012                 mod->sml_values[1].bv_val = NULL;
1013                 assert( mod->sml_values[0].bv_val );
1014                 mod->sml_nvalues = NULL;
1015                 *modtail = mod;
1016                 modtail = &mod->sml_next;
1017         }
1018
1019         *modtail = NULL;
1020         return LDAP_SUCCESS;
1021 }
1022