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 1998-2004 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 = { 0, NULL };
  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
 105         /* collect modifications & save for later */
 106
 107         for ( tag = ber_first_element( op->o_ber, &len, &last );
 108             tag != LBER_DEFAULT;
 109             tag = ber_next_element( op->o_ber, &len, last ) )
 110         {
 111                 ber_int_t mop;
 112                 Modifications tmp, *mod;
 113
 114                 tmp.sml_nvalues = NULL;
 115
 116                 if ( ber_scanf( op->o_ber, "{i{m[W]}}", &mop,
 117                     &tmp.sml_type, &tmp.sml_values )
 118                     == LBER_ERROR )
 119                 {
 120                         send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding modlist error" );
 121                         rs->sr_err = SLAPD_DISCONNECT;
 122                         goto cleanup;
 123                 }
 124
 125                 mod = (Modifications *) ch_malloc( sizeof(Modifications) );
 126                 mod->sml_op = mop;
 127                 mod->sml_type = tmp.sml_type;
 128                 mod->sml_values = tmp.sml_values;
 129                 mod->sml_nvalues = NULL;
 130                 mod->sml_desc = NULL;
 131                 mod->sml_next = NULL;
 132                 *modtail = mod;
 133
 134                 switch( mop ) {
 135                 case LDAP_MOD_ADD:
 136                         if ( mod->sml_values == NULL ) {
 137 #ifdef NEW_LOGGING
 138                                 LDAP_LOG( OPERATION, ERR,
 139                                         "do_modify: modify/add operation (%ld) requires values\n",
 140                                         (long)mop, 0, 0 );
 141 #else
 142                                 Debug( LDAP_DEBUG_ANY,
 143                                         "do_modify: modify/add operation (%ld) requires values\n",
 144                                         (long) mop, 0, 0 );
 145 #endif
 146
 147                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 148                                         "modify/add operation requires values" );
 149                                 goto cleanup;
 150                         }
 151
 152                         /* fall through */
 153
 154                 case LDAP_MOD_DELETE:
 155                 case LDAP_MOD_REPLACE:
 156                         break;
 157
 158                 case LDAP_MOD_INCREMENT:
 159                         if( op->o_protocol >= LDAP_VERSION3 ) {
 160                                 increment++;
 161                                 if ( mod->sml_values == NULL ) {
 162 #ifdef NEW_LOGGING
 163                                         LDAP_LOG( OPERATION, ERR, "do_modify: "
 164                                                 "modify/increment operation (%ld) requires value\n",
 165                                                 (long)mop, 0, 0 );
 166 #else
 167                                         Debug( LDAP_DEBUG_ANY, "do_modify: "
 168                                                 "modify/increment operation (%ld) requires value\n",
 169                                                 (long) mop, 0, 0 );
 170 #endif
 171
 172                                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 173                                                 "modify/increment operation requires value" );
 174                                         goto cleanup;
 175                                 }
 176
 177                                 if( mod->sml_values[1].bv_val ) {
 178 #ifdef NEW_LOGGING
 179                                         LDAP_LOG( OPERATION, ERR, "do_modify: modify/increment "
 180                                                 "operation (%ld) requires single value\n",
 181                                                 (long)mop, 0, 0 );
 182 #else
 183                                         Debug( LDAP_DEBUG_ANY, "do_modify: modify/increment "
 184                                                 "operation (%ld) requires single value\n",
 185                                                 (long) mop, 0, 0 );
 186 #endif
 187
 188                                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 189                                                 "modify/increment operation requires single value" );
 190                                         goto cleanup;
 191                                 }
 192
 193                                 break;
 194                         }
 195                         /* fall thru */
 196
 197                 default: {
 198 #ifdef NEW_LOGGING
 199                                 LDAP_LOG( OPERATION, ERR,
 200                                         "do_modify: unrecognized modify operation (%ld)\n",
 201                                         (long)mop, 0, 0 );
 202 #else
 203                                 Debug( LDAP_DEBUG_ANY,
 204                                         "do_modify: unrecognized modify operation (%ld)\n",
 205                                         (long) mop, 0, 0 );
 206 #endif
 207
 208                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 209                                         "unrecognized modify operation" );
 210                                 goto cleanup;
 211                         }
 212                 }
 213
 214                 modtail = &mod->sml_next;
 215         }
 216         *modtail = NULL;
 217
 218         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 219 #ifdef NEW_LOGGING
 220                 LDAP_LOG( OPERATION, ERR, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 221 #else
 222                 Debug( LDAP_DEBUG_ANY, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 223 #endif
 224
 225                 goto cleanup;
 226         }
 227
 228         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
 229                 op->o_tmpmemctx );
 230         if( rs->sr_err != LDAP_SUCCESS ) {
 231 #ifdef NEW_LOGGING
 232                 LDAP_LOG( OPERATION, INFO, "do_modify: conn %d  invalid dn (%s)\n",
 233                         op->o_connid, dn.bv_val, 0 );
 234 #else
 235                 Debug( LDAP_DEBUG_ANY,
 236                         "do_modify: invalid dn (%s)\n", dn.bv_val, 0, 0 );
 237 #endif
 238                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 239                 goto cleanup;
 240         }
 241
 242         if( op->o_req_ndn.bv_len == 0 ) {
 243 #ifdef NEW_LOGGING
 244                 LDAP_LOG( OPERATION, ERR,
 245                         "do_modify: attempt to modify root DSE.\n",0, 0, 0 );
 246 #else
 247                 Debug( LDAP_DEBUG_ANY, "do_modify: root dse!\n", 0, 0, 0 );
 248 #endif
 249
 250                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 251                         "modify upon the root DSE not supported" );
 252                 goto cleanup;
 253
 254         } else if ( bvmatch( &op->o_req_ndn, &global_schemandn ) ) {
 255 #ifdef NEW_LOGGING
 256                 LDAP_LOG( OPERATION, ERR,
 257                         "do_modify: attempt to modify subschema subentry.\n" , 0, 0, 0  );
 258 #else
 259                 Debug( LDAP_DEBUG_ANY, "do_modify: subschema subentry!\n", 0, 0, 0 );
 260 #endif
 261
 262                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 263                         "modification of subschema subentry not supported" );
 264                 goto cleanup;
 265         }
 266
 267 #ifdef LDAP_DEBUG
 268 #ifdef NEW_LOGGING
 269         LDAP_LOG( OPERATION, DETAIL1, "do_modify: modifications:\n", 0, 0, 0  );
 270 #else
 271         Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
 272 #endif
 273
 274         for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 275 #ifdef NEW_LOGGING
 276                 LDAP_LOG( OPERATION, DETAIL1, "\t%s:  %s\n",
 277                         tmp->sml_op == LDAP_MOD_ADD ? "add" :
 278                                 (tmp->sml_op == LDAP_MOD_INCREMENT ? "increment" :
 279                                         (tmp->sml_op == LDAP_MOD_DELETE ? "delete" :
 280                                                 "replace")), tmp->sml_type.bv_val, 0 );
 281
 282                 if ( tmp->sml_values == NULL ) {
 283                         LDAP_LOG( OPERATION, DETAIL1, "\t\tno values", 0, 0, 0 );
 284                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 285                         LDAP_LOG( OPERATION, DETAIL1, "\t\tzero values", 0, 0, 0 );
 286                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 287                         LDAP_LOG( OPERATION, DETAIL1, "\t\tone value", 0, 0, 0 );
 288                 } else {
 289                         LDAP_LOG( OPERATION, DETAIL1, "\t\tmultiple values", 0, 0, 0 );
 290                 }
 291
 292 #else
 293                 Debug( LDAP_DEBUG_ARGS, "\t%s: %s\n",
 294                         tmp->sml_op == LDAP_MOD_ADD ? "add" :
 295                                 (tmp->sml_op == LDAP_MOD_INCREMENT ? "increment" :
 296                                 (tmp->sml_op == LDAP_MOD_DELETE ? "delete" :
 297                                         "replace")), tmp->sml_type.bv_val, 0 );
 298
 299                 if ( tmp->sml_values == NULL ) {
 300                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 301                            "\t\tno values", NULL, NULL );
 302                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 303                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 304                            "\t\tzero values", NULL, NULL );
 305                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 306                         Debug( LDAP_DEBUG_ARGS, "%s, length %ld\n",
 307                            "\t\tone value", (long) tmp->sml_values[0].bv_len, NULL );
 308                 } else {
 309                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 310                            "\t\tmultiple values", NULL, NULL );
 311                 }
 312 #endif
 313         }
 314
 315         if ( StatslogTest( LDAP_DEBUG_STATS ) ) {
 316                 char abuf[BUFSIZ/2], *ptr = abuf;
 317                 int len = 0;
 318
 319                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD dn=\"%s\"\n",
 320                         op->o_connid, op->o_opid, dn.bv_val, 0, 0 );
 321
 322                 for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 323                         if (len + 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 324                                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 325                                     op->o_connid, op->o_opid, abuf, 0, 0 );
 326
 327                         len = 0;
 328                                 ptr = abuf;
 329
 330                                 if( 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 331                                         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 332                                                 op->o_connid, op->o_opid, tmp->sml_type.bv_val, 0, 0 );
 333                                         continue;
 334                                 }
 335                         }
 336                         if (len) {
 337                                 *ptr++ = ' ';
 338                                 len++;
 339                         }
 340                         ptr = lutil_strcopy(ptr, tmp->sml_type.bv_val);
 341                         len += tmp->sml_type.bv_len;
 342                 }
 343                 if (len) {
 344                         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 345                                 op->o_connid, op->o_opid, abuf, 0, 0 );
 346                 }
 347         }
 348 #endif  /* LDAP_DEBUG */
 349
 350         manageDSAit = get_manageDSAit( op );
 351
 352         /*
 353          * We could be serving multiple database backends.  Select the
 354          * appropriate one, or send a referral to our "referral server"
 355          * if we don't hold it.
 356          */
 357         op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
 358         if ( op->o_bd == NULL ) {
 359                 rs->sr_ref = referral_rewrite( default_referral,
 360                         NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 361                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 362
 363                 if (rs->sr_ref != NULL ) {
 364                         rs->sr_err = LDAP_REFERRAL;
 365                         send_ldap_result( op, rs );
 366
 367                         if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
 368                 } else {
 369                         send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 370                                 "no global superior knowledge" );
 371                 }
 372                 goto cleanup;
 373         }
 374
 375         /* check restrictions */
 376         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 377                 send_ldap_result( op, rs );
 378                 goto cleanup;
 379         }
 380
 381         /* check for referrals */
 382         if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 383                 goto cleanup;
 384         }
 385
 386         /* check for modify/increment support */
 387         if( increment && !SLAP_INCREMENT( op->o_bd ) ) {
 388                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 389                         "modify/increment not supported in context" );
 390         }
 391
 392 #if defined( LDAP_SLAPI )
 393 #define pb      op->o_pb
 394         if ( pb ) {
 395                 slapi_int_pblock_set_operation( pb, op );
 396                 slapi_pblock_set( pb, SLAPI_MODIFY_TARGET, (void *)dn.bv_val );
 397                 slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 398                 modv = slapi_int_modifications2ldapmods( &modlist );
 399                 slapi_pblock_set( pb, SLAPI_MODIFY_MODS, (void *)modv );
 400
 401                 rs->sr_err = slapi_int_call_plugins( op->o_bd,
 402                         SLAPI_PLUGIN_PRE_MODIFY_FN, pb );
 403                 if ( rs->sr_err < 0 ) {
 404                         /*
 405                          * A preoperation plugin failure will abort the
 406                          * entire operation.
 407                          */
 408 #ifdef NEW_LOGGING
 409                         LDAP_LOG( OPERATION, INFO,
 410                                 "do_modify: modify preoperation plugin failed\n",
 411                                 0, 0, 0 );
 412 #else
 413                         Debug(LDAP_DEBUG_TRACE,
 414                                 "do_modify: modify preoperation plugin failed.\n",
 415                                 0, 0, 0);
 416 #endif
 417                         if ( ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE,
 418                                 (void *)&rs->sr_err ) != 0 ) || rs->sr_err == LDAP_SUCCESS )
 419                         {
 420                                 rs->sr_err = LDAP_OTHER;
 421                         }
 422                         slapi_int_free_ldapmods( modv );
 423                         modv = NULL;
 424                         goto cleanup;
 425                 }
 426
 427                 /*
 428                  * It's possible that the preoperation plugin changed the
 429                  * modification array, so we need to convert it back to
 430                  * a Modification list.
 431                  *
 432                  * Calling slapi_int_modifications2ldapmods() destroyed modlist so
 433                  * we don't need to free it.
 434                  */
 435                 slapi_pblock_get( pb, SLAPI_MODIFY_MODS, (void **)&modv );
 436                 modlist = slapi_int_ldapmods2modifications( modv );
 437         }
 438
 439         /*
 440          * NB: it is valid for the plugin to return no modifications
 441          * (for example, a plugin might store some attributes elsewhere
 442          * and remove them from the modification list; if only those
 443          * attribute types were included in the modification request,
 444          * then slapi_int_ldapmods2modifications() above will return
 445          * NULL).
 446          *
 447          * However, the post-operation plugin should still be
 448          * called.
 449          */
 450         if ( modlist == NULL ) {
 451                 rs->sr_err = LDAP_SUCCESS;
 452                 send_ldap_result( op, rs );
 453         } else {
 454 #endif /* defined( LDAP_SLAPI ) */
 455
 456         /*
 457          * do the modify if 1 && (2 || 3)
 458          * 1) there is a modify function implemented in this backend;
 459          * 2) this backend is master for what it holds;
 460          * 3) it's a replica and the dn supplied is the update_ndn.
 461          */
 462         if ( op->o_bd->be_modify ) {
 463                 /* do the update here */
 464                 int repl_user = be_isupdate( op->o_bd, &op->o_ndn );
 465
 466                 /* Multimaster slapd does not have to check for replicator dn
 467                  * because it accepts each modify request
 468                  */
 469 #ifndef SLAPD_MULTIMASTER
 470                 if ( !SLAP_SHADOW(op->o_bd) || repl_user )
 471 #else
 472                 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo ))
 473 #endif
 474                 {
 475                         int update = op->o_bd->be_update_ndn.bv_len;
 476                         char textbuf[SLAP_TEXT_BUFLEN];
 477                         size_t textlen = sizeof textbuf;
 478                         slap_callback cb = { NULL, slap_replog_cb, NULL, NULL };
 479
 480                         rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
 481                                 textbuf, textlen, NULL );
 482
 483                         if( rs->sr_err != LDAP_SUCCESS ) {
 484                                 send_ldap_result( op, rs );
 485                                 goto cleanup;
 486                         }
 487
 488                         if ( !repl_user ) {
 489                                 for( modtail = &modlist;
 490                                         *modtail != NULL;
 491                                         modtail = &(*modtail)->sml_next )
 492                                 {
 493                                         /* empty */
 494                                 }
 495
 496                                 rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
 497                                         &rs->sr_text, textbuf, textlen );
 498                                 if( rs->sr_err != LDAP_SUCCESS ) {
 499                                         send_ldap_result( op, rs );
 500                                         goto cleanup;
 501                                 }
 502                         }
 503
 504                         op->orm_modlist = modlist;
 505 #ifdef SLAPD_MULTIMASTER
 506                         if ( !repl_user )
 507 #endif
 508                         {
 509                                 /* but we log only the ones not from a replicator user */
 510                                 cb.sc_next = op->o_callback;
 511                                 op->o_callback = &cb;
 512                         }
 513                         op->o_bd->be_modify( op, rs );
 514
 515 #ifndef SLAPD_MULTIMASTER
 516                 /* send a referral */
 517                 } else {
 518                         BerVarray defref = op->o_bd->be_update_refs
 519                                 ? op->o_bd->be_update_refs : default_referral;
 520                         if ( defref != NULL ) {
 521                                 rs->sr_ref = referral_rewrite( defref,
 522                                         NULL, &op->o_req_dn,
 523                                         LDAP_SCOPE_DEFAULT );
 524                                 if (!rs->sr_ref) rs->sr_ref = defref;
 525                                 rs->sr_err = LDAP_REFERRAL;
 526                                 send_ldap_result( op, rs );
 527                                 if (rs->sr_ref != defref) {
 528                                         ber_bvarray_free( rs->sr_ref );
 529                                 }
 530                         } else {
 531                                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 532                                         "shadow context; no update referral" );
 533                         }
 534 #endif
 535                 }
 536         } else {
 537                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 538                     "operation not supported within namingContext" );
 539         }
 540
 541 #if defined( LDAP_SLAPI )
 542         } /* modlist != NULL */
 543
 544         if ( pb != NULL && slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_POST_MODIFY_FN, pb ) < 0 ) {
 545 #ifdef NEW_LOGGING
 546                 LDAP_LOG( OPERATION, INFO, "do_modify: modify postoperation plugins "
 547                                 "failed\n", 0, 0, 0 );
 548 #else
 549                 Debug(LDAP_DEBUG_TRACE, "do_modify: modify postoperation plugins "
 550                                 "failed.\n", 0, 0, 0);
 551 #endif
 552         }
 553 #endif /* defined( LDAP_SLAPI ) */
 554
 555 cleanup:
 556
 557         slap_graduate_commit_csn( op );
 558
 559         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 560         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 561         if ( modlist != NULL ) slap_mods_free( modlist );
 562 #if defined( LDAP_SLAPI )
 563         if ( modv != NULL ) slapi_int_free_ldapmods( modv );
 564 #endif
 565         return rs->sr_err;
 566 }
 567
 568 /*
 569  * Do basic attribute type checking and syntax validation.
 570  */
 571 int slap_mods_check(
 572         Modifications *ml,
 573         int update,
 574         const char **text,
 575         char *textbuf,
 576         size_t textlen,
 577         void *ctx )
 578 {
 579         int rc;
 580
 581         for( ; ml != NULL; ml = ml->sml_next ) {
 582                 AttributeDescription *ad = NULL;
 583
 584                 /* convert to attribute description */
 585                 rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
 586
 587                 if( rc != LDAP_SUCCESS ) {
 588                         snprintf( textbuf, textlen, "%s: %s",
 589                                 ml->sml_type.bv_val, *text );
 590                         *text = textbuf;
 591                         return rc;
 592                 }
 593
 594                 ad = ml->sml_desc;
 595
 596                 if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
 597                         && !slap_ad_is_binary( ad ))
 598                 {
 599                         /* attribute requires binary transfer */
 600                         snprintf( textbuf, textlen,
 601                                 "%s: requires ;binary transfer",
 602                                 ml->sml_type.bv_val );
 603                         *text = textbuf;
 604                         return LDAP_UNDEFINED_TYPE;
 605                 }
 606
 607                 if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
 608                         && slap_ad_is_binary( ad ))
 609                 {
 610                         /* attribute requires binary transfer */
 611                         snprintf( textbuf, textlen,
 612                                 "%s: disallows ;binary transfer",
 613                                 ml->sml_type.bv_val );
 614                         *text = textbuf;
 615                         return LDAP_UNDEFINED_TYPE;
 616                 }
 617
 618                 if( slap_ad_is_tag_range( ad )) {
 619                         /* attribute requires binary transfer */
 620                         snprintf( textbuf, textlen,
 621                                 "%s: inappropriate use of tag range option",
 622                                 ml->sml_type.bv_val );
 623                         *text = textbuf;
 624                         return LDAP_UNDEFINED_TYPE;
 625                 }
 626
 627                 if (!update && is_at_no_user_mod( ad->ad_type )) {
 628                         /* user modification disallowed */
 629                         snprintf( textbuf, textlen,
 630                                 "%s: no user modification allowed",
 631                                 ml->sml_type.bv_val );
 632                         *text = textbuf;
 633                         return LDAP_CONSTRAINT_VIOLATION;
 634                 }
 635
 636                 if ( is_at_obsolete( ad->ad_type ) &&
 637                         (( ml->sml_op != LDAP_MOD_REPLACE &&
 638                                 ml->sml_op != LDAP_MOD_DELETE ) ||
 639                                         ml->sml_values != NULL ))
 640                 {
 641                         /*
 642                          * attribute is obsolete,
 643                          * only allow replace/delete with no values
 644                          */
 645                         snprintf( textbuf, textlen,
 646                                 "%s: attribute is obsolete",
 647                                 ml->sml_type.bv_val );
 648                         *text = textbuf;
 649                         return LDAP_CONSTRAINT_VIOLATION;
 650                 }
 651
 652                 if ( ml->sml_op == LDAP_MOD_INCREMENT &&
 653 #ifdef SLAPD_REAL_SYNTAX
 654                         !is_at_syntax( ad->ad_type, SLAPD_REAL_SYNTAX ) &&
 655 #endif
 656                         !is_at_syntax( ad->ad_type, SLAPD_INTEGER_SYNTAX ) )
 657                 {
 658                         /*
 659                          * attribute values must be INTEGER or REAL
 660                          */
 661                         snprintf( textbuf, textlen,
 662                                 "%s: attribute syntax inappropriate for increment",
 663                                 ml->sml_type.bv_val );
 664                         *text = textbuf;
 665                         return LDAP_CONSTRAINT_VIOLATION;
 666                 }
 667
 668                 /*
 669                  * check values
 670                  */
 671                 if( ml->sml_values != NULL ) {
 672                         ber_len_t nvals;
 673                         slap_syntax_validate_func *validate =
 674                                 ad->ad_type->sat_syntax->ssyn_validate;
 675                         slap_syntax_transform_func *pretty =
 676                                 ad->ad_type->sat_syntax->ssyn_pretty;
 677
 678                         if( !pretty && !validate ) {
 679                                 *text = "no validator for syntax";
 680                                 snprintf( textbuf, textlen,
 681                                         "%s: no validator for syntax %s",
 682                                         ml->sml_type.bv_val,
 683                                         ad->ad_type->sat_syntax->ssyn_oid );
 684                                 *text = textbuf;
 685                                 return LDAP_INVALID_SYNTAX;
 686                         }
 687
 688                         /*
 689                          * check that each value is valid per syntax
 690                          *      and pretty if appropriate
 691                          */
 692                         for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 693                                 struct berval pval;
 694                                 if( pretty ) {
 695                                         rc = pretty( ad->ad_type->sat_syntax,
 696                                                 &ml->sml_values[nvals], &pval, ctx );
 697                                 } else {
 698                                         rc = validate( ad->ad_type->sat_syntax,
 699                                                 &ml->sml_values[nvals] );
 700                                 }
 701
 702                                 if( rc != 0 ) {
 703                                         snprintf( textbuf, textlen,
 704                                                 "%s: value #%ld invalid per syntax",
 705                                                 ml->sml_type.bv_val, (long) nvals );
 706                                         *text = textbuf;
 707                                         return LDAP_INVALID_SYNTAX;
 708                                 }
 709
 710                                 if( pretty ) {
 711                                         ber_memfree_x( ml->sml_values[nvals].bv_val, ctx );
 712                                         ml->sml_values[nvals] = pval;
 713                                 }
 714                         }
 715
 716                         /*
 717                          * a rough single value check... an additional check is needed
 718                          * to catch add of single value to existing single valued attribute
 719                          */
 720                         if ((ml->sml_op == LDAP_MOD_ADD || ml->sml_op == LDAP_MOD_REPLACE)
 721                                 && nvals > 1 && is_at_single_value( ad->ad_type ))
 722                         {
 723                                 snprintf( textbuf, textlen,
 724                                         "%s: multiple values provided",
 725                                         ml->sml_type.bv_val );
 726                                 *text = textbuf;
 727                                 return LDAP_CONSTRAINT_VIOLATION;
 728                         }
 729
 730                         /* if the type has a normalizer, generate the
 731                          * normalized values. otherwise leave them NULL.
 732                          *
 733                          * this is different from the rule for attributes
 734                          * in an entry - in an attribute list, the normalized
 735                          * value is set equal to the non-normalized value
 736                          * when there is no normalizer.
 737                          */
 738                         if( nvals && ad->ad_type->sat_equality &&
 739                                 ad->ad_type->sat_equality->smr_normalize )
 740                         {
 741                                 ml->sml_nvalues = ber_memalloc_x(
 742                                         (nvals+1)*sizeof(struct berval), ctx );
 743
 744                                 for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 745                                         rc = ad->ad_type->sat_equality->smr_normalize(
 746                                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 747                                                 ad->ad_type->sat_syntax,
 748                                                 ad->ad_type->sat_equality,
 749                                                 &ml->sml_values[nvals], &ml->sml_nvalues[nvals], ctx );
 750                                         if( rc ) {
 751 #ifdef NEW_LOGGING
 752                                                 LDAP_LOG( OPERATION, DETAIL1,
 753                                                         "str2entry:  NULL (ssyn_normalize %d)\n",
 754                                                         rc, 0, 0 );
 755 #else
 756                                                 Debug( LDAP_DEBUG_ANY,
 757                                                         "<= str2entry NULL (ssyn_normalize %d)\n",
 758                                                         rc, 0, 0 );
 759 #endif
 760                                                 snprintf( textbuf, textlen,
 761                                                         "%s: value #%ld normalization failed",
 762                                                         ml->sml_type.bv_val, (long) nvals );
 763                                                 *text = textbuf;
 764                                                 return rc;
 765                                         }
 766                                 }
 767
 768                                 ml->sml_nvalues[nvals].bv_val = NULL;
 769                                 ml->sml_nvalues[nvals].bv_len = 0;
 770                         }
 771                 }
 772         }
 773
 774         return LDAP_SUCCESS;
 775 }
 776
 777 int slap_mods_opattrs(
 778         Operation *op,
 779         Modifications *mods,
 780         Modifications **modtail,
 781         const char **text,
 782         char *textbuf, size_t textlen )
 783 {
 784         struct berval name, timestamp, csn;
 785         struct berval nname;
 786         char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 787         char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
 788         Modifications *mod;
 789
 790         int mop = op->o_tag == LDAP_REQ_ADD
 791                 ? LDAP_MOD_ADD : LDAP_MOD_REPLACE;
 792
 793         assert( modtail != NULL );
 794         assert( *modtail == NULL );
 795
 796         if ( SLAP_LASTMOD( op->o_bd )) {
 797                 struct tm *ltm;
 798 #ifdef HAVE_GMTIME_R
 799                 struct tm ltm_buf;
 800 #endif
 801                 time_t now = slap_get_time();
 802
 803 #ifdef HAVE_GMTIME_R
 804                 ltm = gmtime_r( &now, &ltm_buf );
 805 #else
 806                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 807                 ltm = gmtime( &now );
 808 #endif /* HAVE_GMTIME_R */
 809                 lutil_gentime( timebuf, sizeof(timebuf), ltm );
 810
 811                 slap_get_csn( op, csnbuf, sizeof(csnbuf), &csn, 1 );
 812
 813 #ifndef HAVE_GMTIME_R
 814                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 815 #endif
 816
 817                 timestamp.bv_val = timebuf;
 818                 timestamp.bv_len = strlen(timebuf);
 819
 820                 if( op->o_dn.bv_len == 0 ) {
 821                         name.bv_val = SLAPD_ANONYMOUS;
 822                         name.bv_len = sizeof(SLAPD_ANONYMOUS)-1;
 823                         nname = name;
 824                 } else {
 825                         name = op->o_dn;
 826                         nname = op->o_ndn;
 827                 }
 828         }
 829
 830         if( op->o_tag == LDAP_REQ_ADD ) {
 831                 struct berval tmpval;
 832
 833                 if( global_schemacheck ) {
 834                         int rc = mods_structural_class( mods, &tmpval,
 835                                 text, textbuf, textlen );
 836                         if( rc != LDAP_SUCCESS ) return rc;
 837
 838                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 839                         mod->sml_op = mop;
 840                         mod->sml_type.bv_val = NULL;
 841                         mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
 842                         mod->sml_values =
 843                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 844                         ber_dupbv( &mod->sml_values[0], &tmpval );
 845                         mod->sml_values[1].bv_len = 0;
 846                         mod->sml_values[1].bv_val = NULL;
 847                         assert( mod->sml_values[0].bv_val );
 848                         mod->sml_nvalues =
 849                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 850                         ber_dupbv( &mod->sml_nvalues[0], &tmpval );
 851                         mod->sml_nvalues[1].bv_len = 0;
 852                         mod->sml_nvalues[1].bv_val = NULL;
 853                         assert( mod->sml_nvalues[0].bv_val );
 854                         *modtail = mod;
 855                         modtail = &mod->sml_next;
 856                 }
 857
 858                 if ( SLAP_LASTMOD( op->o_bd )) {
 859                         char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 860
 861                         tmpval.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
 862                         tmpval.bv_val = uuidbuf;
 863
 864                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 865                         mod->sml_op = mop;
 866                         mod->sml_type.bv_val = NULL;
 867                         mod->sml_desc = slap_schema.si_ad_entryUUID;
 868                         mod->sml_values =
 869                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 870                         ber_dupbv( &mod->sml_values[0], &tmpval );
 871                         mod->sml_values[1].bv_len = 0;
 872                         mod->sml_values[1].bv_val = NULL;
 873                         assert( mod->sml_values[0].bv_val );
 874                         mod->sml_nvalues =
 875                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 876                         (*mod->sml_desc->ad_type->sat_equality->smr_normalize)(
 877                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 878                                         mod->sml_desc->ad_type->sat_syntax,
 879                                         mod->sml_desc->ad_type->sat_equality,
 880                                         mod->sml_values, mod->sml_nvalues, NULL );
 881                         mod->sml_nvalues[1].bv_len = 0;
 882                         mod->sml_nvalues[1].bv_val = NULL;
 883                         *modtail = mod;
 884                         modtail = &mod->sml_next;
 885
 886                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 887                         mod->sml_op = mop;
 888                         mod->sml_type.bv_val = NULL;
 889                         mod->sml_desc = slap_schema.si_ad_creatorsName;
 890                         mod->sml_values =
 891                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 892                         ber_dupbv( &mod->sml_values[0], &name );
 893                         mod->sml_values[1].bv_len = 0;
 894                         mod->sml_values[1].bv_val = NULL;
 895                         assert( mod->sml_values[0].bv_val );
 896                         mod->sml_nvalues =
 897                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 898                         ber_dupbv( &mod->sml_nvalues[0], &nname );
 899                         mod->sml_nvalues[1].bv_len = 0;
 900                         mod->sml_nvalues[1].bv_val = NULL;
 901                         assert( mod->sml_nvalues[0].bv_val );
 902                         *modtail = mod;
 903                         modtail = &mod->sml_next;
 904
 905                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 906                         mod->sml_op = mop;
 907                         mod->sml_type.bv_val = NULL;
 908                         mod->sml_desc = slap_schema.si_ad_createTimestamp;
 909                         mod->sml_values =
 910                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 911                         ber_dupbv( &mod->sml_values[0], &timestamp );
 912                         mod->sml_values[1].bv_len = 0;
 913                         mod->sml_values[1].bv_val = NULL;
 914                         assert( mod->sml_values[0].bv_val );
 915                         mod->sml_nvalues = NULL;
 916                         *modtail = mod;
 917                         modtail = &mod->sml_next;
 918                 }
 919         }
 920
 921         if ( SLAP_LASTMOD( op->o_bd )) {
 922                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 923                 mod->sml_op = mop;
 924                 mod->sml_type.bv_val = NULL;
 925                 mod->sml_desc = slap_schema.si_ad_entryCSN;
 926                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 927                 ber_dupbv( &mod->sml_values[0], &csn );
 928                 mod->sml_values[1].bv_len = 0;
 929                 mod->sml_values[1].bv_val = NULL;
 930                 assert( mod->sml_values[0].bv_val );
 931                 mod->sml_nvalues = NULL;
 932                 *modtail = mod;
 933                 modtail = &mod->sml_next;
 934
 935                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 936                 mod->sml_op = mop;
 937                 mod->sml_type.bv_val = NULL;
 938                 mod->sml_desc = slap_schema.si_ad_modifiersName;
 939                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 940                 ber_dupbv( &mod->sml_values[0], &name );
 941                 mod->sml_values[1].bv_len = 0;
 942                 mod->sml_values[1].bv_val = NULL;
 943                 assert( mod->sml_values[0].bv_val );
 944                 mod->sml_nvalues =
 945                         (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 946                 ber_dupbv( &mod->sml_nvalues[0], &nname );
 947                 mod->sml_nvalues[1].bv_len = 0;
 948                 mod->sml_nvalues[1].bv_val = NULL;
 949                 assert( mod->sml_nvalues[0].bv_val );
 950                 *modtail = mod;
 951                 modtail = &mod->sml_next;
 952
 953                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 954                 mod->sml_op = mop;
 955                 mod->sml_type.bv_val = NULL;
 956                 mod->sml_desc = slap_schema.si_ad_modifyTimestamp;
 957                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 958                 ber_dupbv( &mod->sml_values[0], &timestamp );
 959                 mod->sml_values[1].bv_len = 0;
 960                 mod->sml_values[1].bv_val = NULL;
 961                 assert( mod->sml_values[0].bv_val );
 962                 mod->sml_nvalues = NULL;
 963                 *modtail = mod;
 964                 modtail = &mod->sml_next;
 965         }
 966
 967         *modtail = NULL;
 968         return LDAP_SUCCESS;
 969 }
 970