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 = BER_BVNULL;
  48         char            *last;
  49         ber_tag_t       tag;
  50         ber_len_t       len;
  51         Modifications   *modlist = NULL;
  52         Modifications   **modtail = &modlist;
  53         int             increment = 0;
  54
  55 #ifdef NEW_LOGGING
  56         LDAP_LOG( OPERATION, ENTRY, "do_modify: enter\n", 0, 0, 0 );
  57 #else
  58         Debug( LDAP_DEBUG_TRACE, "do_modify\n", 0, 0, 0 );
  59 #endif
  60
  61         /*
  62          * Parse the modify request.  It looks like this:
  63          *
  64          *      ModifyRequest := [APPLICATION 6] SEQUENCE {
  65          *              name    DistinguishedName,
  66          *              mods    SEQUENCE OF SEQUENCE {
  67          *                      operation       ENUMERATED {
  68          *                              add     (0),
  69          *                              delete  (1),
  70          *                              replace (2)
  71          *                      },
  72          *                      modification    SEQUENCE {
  73          *                              type    AttributeType,
  74          *                              values  SET OF AttributeValue
  75          *                      }
  76          *              }
  77          *      }
  78          */
  79
  80         if ( ber_scanf( op->o_ber, "{m" /*}*/, &dn ) == LBER_ERROR ) {
  81 #ifdef NEW_LOGGING
  82                 LDAP_LOG( OPERATION, ERR, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  83 #else
  84                 Debug( LDAP_DEBUG_ANY, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  85 #endif
  86
  87                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
  88                 return SLAPD_DISCONNECT;
  89         }
  90
  91 #ifdef NEW_LOGGING
  92         LDAP_LOG( OPERATION, ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
  93 #else
  94         Debug( LDAP_DEBUG_ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
  95 #endif
  96
  97         /* collect modifications & save for later */
  98         for ( tag = ber_first_element( op->o_ber, &len, &last );
  99             tag != LBER_DEFAULT;
 100             tag = ber_next_element( op->o_ber, &len, last ) )
 101         {
 102                 ber_int_t mop;
 103                 Modifications tmp, *mod;
 104
 105                 tmp.sml_nvalues = NULL;
 106
 107                 if ( ber_scanf( op->o_ber, "{i{m[W]}}", &mop,
 108                     &tmp.sml_type, &tmp.sml_values ) == LBER_ERROR )
 109                 {
 110                         send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR,
 111                                 "decoding modlist error" );
 112                         rs->sr_err = SLAPD_DISCONNECT;
 113                         goto cleanup;
 114                 }
 115
 116                 mod = (Modifications *) ch_malloc( sizeof(Modifications) );
 117                 mod->sml_op = mop;
 118                 mod->sml_type = tmp.sml_type;
 119                 mod->sml_values = tmp.sml_values;
 120                 mod->sml_nvalues = NULL;
 121                 mod->sml_desc = NULL;
 122                 mod->sml_next = NULL;
 123                 *modtail = mod;
 124
 125                 switch( mop ) {
 126                 case LDAP_MOD_ADD:
 127                         if ( mod->sml_values == NULL ) {
 128 #ifdef NEW_LOGGING
 129                                 LDAP_LOG( OPERATION, ERR,
 130                                         "do_modify: modify/add operation (%ld) requires values\n",
 131                                         (long)mop, 0, 0 );
 132 #else
 133                                 Debug( LDAP_DEBUG_ANY,
 134                                         "do_modify: modify/add operation (%ld) requires values\n",
 135                                         (long) mop, 0, 0 );
 136 #endif
 137
 138                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 139                                         "modify/add operation requires values" );
 140                                 goto cleanup;
 141                         }
 142
 143                         /* fall through */
 144
 145                 case LDAP_MOD_DELETE:
 146                 case LDAP_MOD_REPLACE:
 147                         break;
 148
 149                 case LDAP_MOD_INCREMENT:
 150                         if( op->o_protocol >= LDAP_VERSION3 ) {
 151                                 increment++;
 152                                 if ( mod->sml_values == NULL ) {
 153 #ifdef NEW_LOGGING
 154                                         LDAP_LOG( OPERATION, ERR, "do_modify: "
 155                                                 "modify/increment operation (%ld) requires value\n",
 156                                                 (long)mop, 0, 0 );
 157 #else
 158                                         Debug( LDAP_DEBUG_ANY, "do_modify: "
 159                                                 "modify/increment operation (%ld) requires value\n",
 160                                                 (long) mop, 0, 0 );
 161 #endif
 162
 163                                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 164                                                 "modify/increment operation requires value" );
 165                                         goto cleanup;
 166                                 }
 167
 168                                 if( mod->sml_values[1].bv_val ) {
 169 #ifdef NEW_LOGGING
 170                                         LDAP_LOG( OPERATION, ERR, "do_modify: modify/increment "
 171                                                 "operation (%ld) requires single value\n",
 172                                                 (long)mop, 0, 0 );
 173 #else
 174                                         Debug( LDAP_DEBUG_ANY, "do_modify: modify/increment "
 175                                                 "operation (%ld) requires single value\n",
 176                                                 (long) mop, 0, 0 );
 177 #endif
 178
 179                                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 180                                                 "modify/increment operation requires single value" );
 181                                         goto cleanup;
 182                                 }
 183
 184                                 break;
 185                         }
 186                         /* fall thru */
 187
 188                 default: {
 189 #ifdef NEW_LOGGING
 190                                 LDAP_LOG( OPERATION, ERR,
 191                                         "do_modify: unrecognized modify operation (%ld)\n",
 192                                         (long)mop, 0, 0 );
 193 #else
 194                                 Debug( LDAP_DEBUG_ANY,
 195                                         "do_modify: unrecognized modify operation (%ld)\n",
 196                                         (long) mop, 0, 0 );
 197 #endif
 198
 199                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 200                                         "unrecognized modify operation" );
 201                                 goto cleanup;
 202                         }
 203                 }
 204
 205                 modtail = &mod->sml_next;
 206         }
 207         *modtail = NULL;
 208
 209         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 210 #ifdef NEW_LOGGING
 211                 LDAP_LOG( OPERATION, ERR, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 212 #else
 213                 Debug( LDAP_DEBUG_ANY, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 214 #endif
 215
 216                 goto cleanup;
 217         }
 218
 219         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
 220                 op->o_tmpmemctx );
 221         if( rs->sr_err != LDAP_SUCCESS ) {
 222 #ifdef NEW_LOGGING
 223                 LDAP_LOG( OPERATION, INFO, "do_modify: conn %d  invalid dn (%s)\n",
 224                         op->o_connid, dn.bv_val, 0 );
 225 #else
 226                 Debug( LDAP_DEBUG_ANY,
 227                         "do_modify: invalid dn (%s)\n", dn.bv_val, 0, 0 );
 228 #endif
 229                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 230                 goto cleanup;
 231         }
 232
 233         /* FIXME: temporary */
 234         op->orm_modlist = modlist;
 235         op->orm_increment = increment;
 236
 237         op->o_bd = frontendDB;
 238         rs->sr_err = frontendDB->be_modify( op, rs );
 239
 240 cleanup:
 241         slap_graduate_commit_csn( op );
 242
 243         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 244         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 245         if ( modlist != NULL ) slap_mods_free( modlist );
 246
 247         return rs->sr_err;
 248 }
 249
 250 int
 251 fe_op_modify( Operation *op, SlapReply *rs )
 252 {
 253 #ifdef LDAP_DEBUG
 254         Modifications   *tmp;
 255 #endif
 256         int             manageDSAit;
 257         Modifications   *modlist = op->orm_modlist;
 258         Modifications   **modtail = &modlist;
 259 #ifdef LDAP_SLAPI
 260         LDAPMod         **modv = NULL;
 261 #endif
 262         int             increment = op->orm_increment;
 263
 264         if( op->o_req_ndn.bv_len == 0 ) {
 265 #ifdef NEW_LOGGING
 266                 LDAP_LOG( OPERATION, ERR,
 267                         "do_modify: attempt to modify root DSE.\n",0, 0, 0 );
 268 #else
 269                 Debug( LDAP_DEBUG_ANY, "do_modify: root dse!\n", 0, 0, 0 );
 270 #endif
 271
 272                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 273                         "modify upon the root DSE not supported" );
 274                 goto cleanup;
 275
 276         } else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
 277 #ifdef NEW_LOGGING
 278                 LDAP_LOG( OPERATION, ERR,
 279                         "do_modify: attempt to modify subschema subentry.\n" , 0, 0, 0  );
 280 #else
 281                 Debug( LDAP_DEBUG_ANY, "do_modify: subschema subentry!\n", 0, 0, 0 );
 282 #endif
 283
 284                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 285                         "modification of subschema subentry not supported" );
 286                 goto cleanup;
 287         }
 288
 289 #ifdef LDAP_DEBUG
 290 #ifdef NEW_LOGGING
 291         LDAP_LOG( OPERATION, DETAIL1, "do_modify: modifications:\n", 0, 0, 0  );
 292 #else
 293         Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
 294 #endif
 295
 296         for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 297 #ifdef NEW_LOGGING
 298                 LDAP_LOG( OPERATION, DETAIL1, "\t%s:  %s\n",
 299                         tmp->sml_op == LDAP_MOD_ADD ? "add" :
 300                                 (tmp->sml_op == LDAP_MOD_INCREMENT ? "increment" :
 301                                         (tmp->sml_op == LDAP_MOD_DELETE ? "delete" :
 302                                                 "replace")), tmp->sml_type.bv_val, 0 );
 303
 304                 if ( tmp->sml_values == NULL ) {
 305                         LDAP_LOG( OPERATION, DETAIL1, "\t\tno values", 0, 0, 0 );
 306                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 307                         LDAP_LOG( OPERATION, DETAIL1, "\t\tzero values", 0, 0, 0 );
 308                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 309                         LDAP_LOG( OPERATION, DETAIL1, "\t\tone value", 0, 0, 0 );
 310                 } else {
 311                         LDAP_LOG( OPERATION, DETAIL1, "\t\tmultiple values", 0, 0, 0 );
 312                 }
 313
 314 #else
 315                 Debug( LDAP_DEBUG_ARGS, "\t%s: %s\n",
 316                         tmp->sml_op == LDAP_MOD_ADD ? "add" :
 317                                 (tmp->sml_op == LDAP_MOD_INCREMENT ? "increment" :
 318                                 (tmp->sml_op == LDAP_MOD_DELETE ? "delete" :
 319                                         "replace")), tmp->sml_type.bv_val, 0 );
 320
 321                 if ( tmp->sml_values == NULL ) {
 322                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 323                            "\t\tno values", NULL, NULL );
 324                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 325                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 326                            "\t\tzero values", NULL, NULL );
 327                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 328                         Debug( LDAP_DEBUG_ARGS, "%s, length %ld\n",
 329                            "\t\tone value", (long) tmp->sml_values[0].bv_len, NULL );
 330                 } else {
 331                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 332                            "\t\tmultiple values", NULL, NULL );
 333                 }
 334 #endif
 335         }
 336
 337         if ( StatslogTest( LDAP_DEBUG_STATS ) ) {
 338                 char abuf[BUFSIZ/2], *ptr = abuf;
 339                 int len = 0;
 340
 341                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD dn=\"%s\"\n",
 342                         op->o_connid, op->o_opid, op->o_req_dn.bv_val, 0, 0 );
 343
 344                 for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 345                         if (len + 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 346                                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 347                                     op->o_connid, op->o_opid, abuf, 0, 0 );
 348
 349                         len = 0;
 350                                 ptr = abuf;
 351
 352                                 if( 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 353                                         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 354                                                 op->o_connid, op->o_opid, tmp->sml_type.bv_val, 0, 0 );
 355                                         continue;
 356                                 }
 357                         }
 358                         if (len) {
 359                                 *ptr++ = ' ';
 360                                 len++;
 361                         }
 362                         ptr = lutil_strcopy(ptr, tmp->sml_type.bv_val);
 363                         len += tmp->sml_type.bv_len;
 364                 }
 365                 if (len) {
 366                         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 367                                 op->o_connid, op->o_opid, abuf, 0, 0 );
 368                 }
 369         }
 370 #endif  /* LDAP_DEBUG */
 371
 372         manageDSAit = get_manageDSAit( op );
 373
 374         /*
 375          * We could be serving multiple database backends.  Select the
 376          * appropriate one, or send a referral to our "referral server"
 377          * if we don't hold it.
 378          */
 379         op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
 380         if ( op->o_bd == NULL ) {
 381                 rs->sr_ref = referral_rewrite( default_referral,
 382                         NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 383                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 384
 385                 if (rs->sr_ref != NULL ) {
 386                         rs->sr_err = LDAP_REFERRAL;
 387                         send_ldap_result( op, rs );
 388
 389                         if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
 390                 } else {
 391                         send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 392                                 "no global superior knowledge" );
 393                 }
 394                 goto cleanup;
 395         }
 396
 397         /* check restrictions */
 398         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 399                 send_ldap_result( op, rs );
 400                 goto cleanup;
 401         }
 402
 403         /* check for referrals */
 404         if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 405                 goto cleanup;
 406         }
 407
 408         /* check for modify/increment support */
 409         if( increment && !SLAP_INCREMENT( op->o_bd ) ) {
 410                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 411                         "modify/increment not supported in context" );
 412         }
 413
 414 #if defined( LDAP_SLAPI )
 415 #define pb      op->o_pb
 416         if ( pb ) {
 417                 slapi_int_pblock_set_operation( pb, op );
 418                 slapi_pblock_set( pb, SLAPI_MODIFY_TARGET, (void *)op->o_req_dn.bv_val );
 419                 slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 420                 modv = slapi_int_modifications2ldapmods( &modlist );
 421                 slapi_pblock_set( pb, SLAPI_MODIFY_MODS, (void *)modv );
 422
 423                 rs->sr_err = slapi_int_call_plugins( op->o_bd,
 424                         SLAPI_PLUGIN_PRE_MODIFY_FN, pb );
 425
 426                 /*
 427                  * It's possible that the preoperation plugin changed the
 428                  * modification array, so we need to convert it back to
 429                  * a Modification list.
 430                  *
 431                  * Calling slapi_int_modifications2ldapmods() destroyed modlist so
 432                  * we don't need to free it.
 433                  */
 434                 slapi_pblock_get( pb, SLAPI_MODIFY_MODS, (void **)&modv );
 435                 modlist = slapi_int_ldapmods2modifications( modv );
 436
 437                 if ( rs->sr_err < 0 ) {
 438                         /*
 439                          * A preoperation plugin failure will abort the
 440                          * entire operation.
 441                          */
 442 #ifdef NEW_LOGGING
 443                         LDAP_LOG( OPERATION, INFO,
 444                                 "do_modify: modify preoperation plugin failed\n",
 445                                 0, 0, 0 );
 446 #else
 447                         Debug(LDAP_DEBUG_TRACE,
 448                                 "do_modify: modify preoperation plugin failed.\n",
 449                                 0, 0, 0);
 450 #endif
 451                         if ( ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE,
 452                                 (void *)&rs->sr_err ) != 0 ) || rs->sr_err == LDAP_SUCCESS )
 453                         {
 454                                 rs->sr_err = LDAP_OTHER;
 455                         }
 456                         slapi_int_free_ldapmods( modv );
 457                         modv = NULL;
 458                         goto cleanup;
 459                 }
 460         }
 461
 462         /*
 463          * NB: it is valid for the plugin to return no modifications
 464          * (for example, a plugin might store some attributes elsewhere
 465          * and remove them from the modification list; if only those
 466          * attribute types were included in the modification request,
 467          * then slapi_int_ldapmods2modifications() above will return
 468          * NULL).
 469          *
 470          * However, the post-operation plugin should still be
 471          * called.
 472          */
 473         if ( modlist == NULL ) {
 474                 rs->sr_err = LDAP_SUCCESS;
 475                 send_ldap_result( op, rs );
 476         } else {
 477 #endif /* defined( LDAP_SLAPI ) */
 478
 479         /*
 480          * do the modify if 1 && (2 || 3)
 481          * 1) there is a modify function implemented in this backend;
 482          * 2) this backend is master for what it holds;
 483          * 3) it's a replica and the dn supplied is the update_ndn.
 484          */
 485         if ( op->o_bd->be_modify ) {
 486                 /* do the update here */
 487                 int repl_user = be_isupdate( op );
 488
 489                 /* Multimaster slapd does not have to check for replicator dn
 490                  * because it accepts each modify request
 491                  */
 492 #ifndef SLAPD_MULTIMASTER
 493                 if ( !SLAP_SHADOW(op->o_bd) || repl_user )
 494 #endif
 495                 {
 496                         int update = op->o_bd->be_update_ndn.bv_len;
 497                         char textbuf[SLAP_TEXT_BUFLEN];
 498                         size_t textlen = sizeof textbuf;
 499                         slap_callback cb = { NULL, slap_replog_cb, NULL, NULL };
 500
 501                         rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
 502                                 textbuf, textlen, NULL );
 503
 504                         if( rs->sr_err != LDAP_SUCCESS ) {
 505                                 send_ldap_result( op, rs );
 506                                 goto cleanup;
 507                         }
 508
 509                         if ( !repl_user ) {
 510                                 for( modtail = &modlist;
 511                                         *modtail != NULL;
 512                                         modtail = &(*modtail)->sml_next )
 513                                 {
 514                                         /* empty */
 515                                 }
 516
 517                                 rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
 518                                         &rs->sr_text, textbuf, textlen );
 519                                 if( rs->sr_err != LDAP_SUCCESS ) {
 520                                         send_ldap_result( op, rs );
 521                                         goto cleanup;
 522                                 }
 523                         }
 524
 525                         op->orm_modlist = modlist;
 526 #ifdef SLAPD_MULTIMASTER
 527                         if ( !repl_user )
 528 #endif
 529                         {
 530                                 /* but we log only the ones not from a replicator user */
 531                                 cb.sc_next = op->o_callback;
 532                                 op->o_callback = &cb;
 533                         }
 534                         op->o_bd->be_modify( op, rs );
 535
 536 #ifndef SLAPD_MULTIMASTER
 537                 /* send a referral */
 538                 } else {
 539                         BerVarray defref = op->o_bd->be_update_refs
 540                                 ? op->o_bd->be_update_refs : default_referral;
 541                         if ( defref != NULL ) {
 542                                 rs->sr_ref = referral_rewrite( defref,
 543                                         NULL, &op->o_req_dn,
 544                                         LDAP_SCOPE_DEFAULT );
 545                                 if (!rs->sr_ref) rs->sr_ref = defref;
 546                                 rs->sr_err = LDAP_REFERRAL;
 547                                 send_ldap_result( op, rs );
 548                                 if (rs->sr_ref != defref) {
 549                                         ber_bvarray_free( rs->sr_ref );
 550                                 }
 551                         } else {
 552                                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 553                                         "shadow context; no update referral" );
 554                         }
 555 #endif
 556                 }
 557         } else {
 558                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 559                     "operation not supported within namingContext" );
 560         }
 561
 562 #if defined( LDAP_SLAPI )
 563         } /* modlist != NULL */
 564
 565         if ( pb != NULL && slapi_int_call_plugins( op->o_bd,
 566                 SLAPI_PLUGIN_POST_MODIFY_FN, pb ) < 0 )
 567         {
 568 #ifdef NEW_LOGGING
 569                 LDAP_LOG( OPERATION, INFO,
 570                         "do_modify: modify postoperation plugins failed\n", 0, 0, 0 );
 571 #else
 572                 Debug(LDAP_DEBUG_TRACE,
 573                         "do_modify: modify postoperation plugins failed.\n", 0, 0, 0);
 574 #endif
 575         }
 576 #endif /* defined( LDAP_SLAPI ) */
 577
 578 cleanup:;
 579 #if defined( LDAP_SLAPI )
 580         if ( modv != NULL ) slapi_int_free_ldapmods( modv );
 581 #endif
 582
 583         return rs->sr_err;
 584 }
 585
 586 /*
 587  * Do basic attribute type checking and syntax validation.
 588  */
 589 int slap_mods_check(
 590         Modifications *ml,
 591         int update,
 592         const char **text,
 593         char *textbuf,
 594         size_t textlen,
 595         void *ctx )
 596 {
 597         int rc;
 598
 599         for( ; ml != NULL; ml = ml->sml_next ) {
 600                 AttributeDescription *ad = NULL;
 601
 602                 /* convert to attribute description */
 603                 rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
 604
 605                 if( rc != LDAP_SUCCESS ) {
 606                         snprintf( textbuf, textlen, "%s: %s",
 607                                 ml->sml_type.bv_val, *text );
 608                         *text = textbuf;
 609                         return rc;
 610                 }
 611
 612                 ad = ml->sml_desc;
 613
 614                 if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
 615                         && !slap_ad_is_binary( ad ))
 616                 {
 617                         /* attribute requires binary transfer */
 618                         snprintf( textbuf, textlen,
 619                                 "%s: requires ;binary transfer",
 620                                 ml->sml_type.bv_val );
 621                         *text = textbuf;
 622                         return LDAP_UNDEFINED_TYPE;
 623                 }
 624
 625                 if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
 626                         && slap_ad_is_binary( ad ))
 627                 {
 628                         /* attribute does not require binary transfer */
 629                         snprintf( textbuf, textlen,
 630                                 "%s: disallows ;binary transfer",
 631                                 ml->sml_type.bv_val );
 632                         *text = textbuf;
 633                         return LDAP_UNDEFINED_TYPE;
 634                 }
 635
 636                 if( slap_ad_is_tag_range( ad )) {
 637                         /* attribute requires binary transfer */
 638                         snprintf( textbuf, textlen,
 639                                 "%s: inappropriate use of tag range option",
 640                                 ml->sml_type.bv_val );
 641                         *text = textbuf;
 642                         return LDAP_UNDEFINED_TYPE;
 643                 }
 644
 645                 if (!update && is_at_no_user_mod( ad->ad_type )) {
 646                         /* user modification disallowed */
 647                         snprintf( textbuf, textlen,
 648                                 "%s: no user modification allowed",
 649                                 ml->sml_type.bv_val );
 650                         *text = textbuf;
 651                         return LDAP_CONSTRAINT_VIOLATION;
 652                 }
 653
 654                 if ( is_at_obsolete( ad->ad_type ) &&
 655                         (( ml->sml_op != LDAP_MOD_REPLACE &&
 656                                 ml->sml_op != LDAP_MOD_DELETE ) ||
 657                                         ml->sml_values != NULL ))
 658                 {
 659                         /*
 660                          * attribute is obsolete,
 661                          * only allow replace/delete with no values
 662                          */
 663                         snprintf( textbuf, textlen,
 664                                 "%s: attribute is obsolete",
 665                                 ml->sml_type.bv_val );
 666                         *text = textbuf;
 667                         return LDAP_CONSTRAINT_VIOLATION;
 668                 }
 669
 670                 if ( ml->sml_op == LDAP_MOD_INCREMENT &&
 671 #ifdef SLAPD_REAL_SYNTAX
 672                         !is_at_syntax( ad->ad_type, SLAPD_REAL_SYNTAX ) &&
 673 #endif
 674                         !is_at_syntax( ad->ad_type, SLAPD_INTEGER_SYNTAX ) )
 675                 {
 676                         /*
 677                          * attribute values must be INTEGER or REAL
 678                          */
 679                         snprintf( textbuf, textlen,
 680                                 "%s: attribute syntax inappropriate for increment",
 681                                 ml->sml_type.bv_val );
 682                         *text = textbuf;
 683                         return LDAP_CONSTRAINT_VIOLATION;
 684                 }
 685
 686                 /*
 687                  * check values
 688                  */
 689                 if( ml->sml_values != NULL ) {
 690                         ber_len_t nvals;
 691                         slap_syntax_validate_func *validate =
 692                                 ad->ad_type->sat_syntax->ssyn_validate;
 693                         slap_syntax_transform_func *pretty =
 694                                 ad->ad_type->sat_syntax->ssyn_pretty;
 695
 696                         if( !pretty && !validate ) {
 697                                 *text = "no validator for syntax";
 698                                 snprintf( textbuf, textlen,
 699                                         "%s: no validator for syntax %s",
 700                                         ml->sml_type.bv_val,
 701                                         ad->ad_type->sat_syntax->ssyn_oid );
 702                                 *text = textbuf;
 703                                 return LDAP_INVALID_SYNTAX;
 704                         }
 705
 706                         /*
 707                          * check that each value is valid per syntax
 708                          *      and pretty if appropriate
 709                          */
 710                         for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 711                                 struct berval pval;
 712                                 if( pretty ) {
 713                                         rc = pretty( ad->ad_type->sat_syntax,
 714                                                 &ml->sml_values[nvals], &pval, ctx );
 715                                 } else {
 716                                         rc = validate( ad->ad_type->sat_syntax,
 717                                                 &ml->sml_values[nvals] );
 718                                 }
 719
 720                                 if( rc != 0 ) {
 721                                         snprintf( textbuf, textlen,
 722                                                 "%s: value #%ld invalid per syntax",
 723                                                 ml->sml_type.bv_val, (long) nvals );
 724                                         *text = textbuf;
 725                                         return LDAP_INVALID_SYNTAX;
 726                                 }
 727
 728                                 if( pretty ) {
 729                                         ber_memfree_x( ml->sml_values[nvals].bv_val, ctx );
 730                                         ml->sml_values[nvals] = pval;
 731                                 }
 732                         }
 733
 734                         /*
 735                          * a rough single value check... an additional check is needed
 736                          * to catch add of single value to existing single valued attribute
 737                          */
 738                         if ((ml->sml_op == LDAP_MOD_ADD || ml->sml_op == LDAP_MOD_REPLACE)
 739                                 && nvals > 1 && is_at_single_value( ad->ad_type ))
 740                         {
 741                                 snprintf( textbuf, textlen,
 742                                         "%s: multiple values provided",
 743                                         ml->sml_type.bv_val );
 744                                 *text = textbuf;
 745                                 return LDAP_CONSTRAINT_VIOLATION;
 746                         }
 747
 748                         /* if the type has a normalizer, generate the
 749                          * normalized values. otherwise leave them NULL.
 750                          *
 751                          * this is different from the rule for attributes
 752                          * in an entry - in an attribute list, the normalized
 753                          * value is set equal to the non-normalized value
 754                          * when there is no normalizer.
 755                          */
 756                         if( nvals && ad->ad_type->sat_equality &&
 757                                 ad->ad_type->sat_equality->smr_normalize )
 758                         {
 759                                 ml->sml_nvalues = ber_memalloc_x(
 760                                         (nvals+1)*sizeof(struct berval), ctx );
 761
 762                                 for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 763                                         rc = ad->ad_type->sat_equality->smr_normalize(
 764                                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 765                                                 ad->ad_type->sat_syntax,
 766                                                 ad->ad_type->sat_equality,
 767                                                 &ml->sml_values[nvals], &ml->sml_nvalues[nvals], ctx );
 768                                         if( rc ) {
 769 #ifdef NEW_LOGGING
 770                                                 LDAP_LOG( OPERATION, DETAIL1,
 771                                                         "str2entry:  NULL (ssyn_normalize %d)\n",
 772                                                         rc, 0, 0 );
 773 #else
 774                                                 Debug( LDAP_DEBUG_ANY,
 775                                                         "<= str2entry NULL (ssyn_normalize %d)\n",
 776                                                         rc, 0, 0 );
 777 #endif
 778                                                 snprintf( textbuf, textlen,
 779                                                         "%s: value #%ld normalization failed",
 780                                                         ml->sml_type.bv_val, (long) nvals );
 781                                                 *text = textbuf;
 782                                                 return rc;
 783                                         }
 784                                 }
 785
 786                                 ml->sml_nvalues[nvals].bv_val = NULL;
 787                                 ml->sml_nvalues[nvals].bv_len = 0;
 788                         }
 789
 790                         if( nvals ) {
 791                                 /* check for duplicates */
 792                                 int             i, j;
 793                                 MatchingRule *mr = ad->ad_type->sat_equality;
 794
 795                                 /* check if the values we're adding already exist */
 796                                 if( mr == NULL || !mr->smr_match ) {
 797                                         for ( i = 1; ml->sml_values[i].bv_val != NULL; i++ ) {
 798                                                 /* test asserted values against themselves */
 799                                                 for( j = 0; j < i; j++ ) {
 800                                                         if ( bvmatch( &ml->sml_values[i],
 801                                                                 &ml->sml_values[j] ) )
 802                                                         {
 803                                                                 /* value exists already */
 804                                                                 snprintf( textbuf, textlen,
 805                                                                         "%s: value #%d provided more than once",
 806                                                                         ml->sml_desc->ad_cname.bv_val, j );
 807                                                                 *text = textbuf;
 808                                                                 return LDAP_TYPE_OR_VALUE_EXISTS;
 809                                                         }
 810                                                 }
 811                                         }
 812
 813                                 } else {
 814                                         int rc;
 815                                         int match;
 816
 817                                         for ( i = 1; ml->sml_values[i].bv_val != NULL; i++ ) {
 818                                                 /* test asserted values against themselves */
 819                                                 for( j = 0; j < i; j++ ) {
 820                                                         rc = value_match( &match, ml->sml_desc, mr,
 821                                                                 SLAP_MR_EQUALITY
 822                                                                         | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX
 823                                                                         | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
 824                                                                         | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
 825                                                                 ml->sml_nvalues
 826                                                                         ? &ml->sml_nvalues[i]
 827                                                                         : &ml->sml_values[i],
 828                                                                 ml->sml_nvalues
 829                                                                         ? &ml->sml_nvalues[j]
 830                                                                         : &ml->sml_values[j],
 831                                                                 text );
 832                                                         if ( rc == LDAP_SUCCESS && match == 0 ) {
 833                                                                 /* value exists already */
 834                                                                 snprintf( textbuf, textlen,
 835                                                                         "%s: value #%d provided more than once",
 836                                                                         ml->sml_desc->ad_cname.bv_val, j );
 837                                                                 *text = textbuf;
 838                                                                 return LDAP_TYPE_OR_VALUE_EXISTS;
 839
 840                                                         } else if ( rc != LDAP_SUCCESS ) {
 841                                                                 return rc;
 842                                                         }
 843                                                 }
 844                                         }
 845                                 }
 846                         }
 847
 848                 }
 849         }
 850
 851         return LDAP_SUCCESS;
 852 }
 853
 854 int slap_mods_opattrs(
 855         Operation *op,
 856         Modifications *mods,
 857         Modifications **modtail,
 858         const char **text,
 859         char *textbuf, size_t textlen )
 860 {
 861         struct berval name, timestamp, csn;
 862         struct berval nname;
 863         char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 864         char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
 865         Modifications *mod;
 866
 867         int mop = op->o_tag == LDAP_REQ_ADD
 868                 ? LDAP_MOD_ADD : LDAP_MOD_REPLACE;
 869
 870         assert( modtail != NULL );
 871         assert( *modtail == NULL );
 872
 873         if ( SLAP_LASTMOD( op->o_bd )) {
 874                 struct tm *ltm;
 875 #ifdef HAVE_GMTIME_R
 876                 struct tm ltm_buf;
 877 #endif
 878                 time_t now = slap_get_time();
 879
 880 #ifdef HAVE_GMTIME_R
 881                 ltm = gmtime_r( &now, &ltm_buf );
 882 #else
 883                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 884                 ltm = gmtime( &now );
 885 #endif /* HAVE_GMTIME_R */
 886                 lutil_gentime( timebuf, sizeof(timebuf), ltm );
 887
 888                 slap_get_csn( op, csnbuf, sizeof(csnbuf), &csn, 1 );
 889
 890 #ifndef HAVE_GMTIME_R
 891                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 892 #endif
 893
 894                 timestamp.bv_val = timebuf;
 895                 timestamp.bv_len = strlen(timebuf);
 896
 897                 if( op->o_dn.bv_len == 0 ) {
 898                         BER_BVSTR( &name, SLAPD_ANONYMOUS );
 899                         nname = name;
 900                 } else {
 901                         name = op->o_dn;
 902                         nname = op->o_ndn;
 903                 }
 904         }
 905
 906         if( op->o_tag == LDAP_REQ_ADD ) {
 907                 struct berval tmpval;
 908
 909                 if( global_schemacheck ) {
 910                         int rc = mods_structural_class( mods, &tmpval,
 911                                 text, textbuf, textlen );
 912                         if( rc != LDAP_SUCCESS ) return rc;
 913
 914                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 915                         mod->sml_op = mop;
 916                         mod->sml_type.bv_val = NULL;
 917                         mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
 918                         mod->sml_values =
 919                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 920                         ber_dupbv( &mod->sml_values[0], &tmpval );
 921                         mod->sml_values[1].bv_len = 0;
 922                         mod->sml_values[1].bv_val = NULL;
 923                         assert( mod->sml_values[0].bv_val );
 924                         mod->sml_nvalues =
 925                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 926                         ber_dupbv( &mod->sml_nvalues[0], &tmpval );
 927                         mod->sml_nvalues[1].bv_len = 0;
 928                         mod->sml_nvalues[1].bv_val = NULL;
 929                         assert( mod->sml_nvalues[0].bv_val );
 930                         *modtail = mod;
 931                         modtail = &mod->sml_next;
 932                 }
 933
 934                 if ( SLAP_LASTMOD( op->o_bd )) {
 935                         char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 936
 937                         tmpval.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
 938                         tmpval.bv_val = uuidbuf;
 939
 940                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 941                         mod->sml_op = mop;
 942                         mod->sml_type.bv_val = NULL;
 943                         mod->sml_desc = slap_schema.si_ad_entryUUID;
 944                         mod->sml_values =
 945                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 946                         ber_dupbv( &mod->sml_values[0], &tmpval );
 947                         mod->sml_values[1].bv_len = 0;
 948                         mod->sml_values[1].bv_val = NULL;
 949                         assert( mod->sml_values[0].bv_val );
 950                         mod->sml_nvalues =
 951                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 952                         (*mod->sml_desc->ad_type->sat_equality->smr_normalize)(
 953                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 954                                         mod->sml_desc->ad_type->sat_syntax,
 955                                         mod->sml_desc->ad_type->sat_equality,
 956                                         mod->sml_values, mod->sml_nvalues, NULL );
 957                         mod->sml_nvalues[1].bv_len = 0;
 958                         mod->sml_nvalues[1].bv_val = NULL;
 959                         *modtail = mod;
 960                         modtail = &mod->sml_next;
 961
 962                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 963                         mod->sml_op = mop;
 964                         mod->sml_type.bv_val = NULL;
 965                         mod->sml_desc = slap_schema.si_ad_creatorsName;
 966                         mod->sml_values =
 967                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 968                         ber_dupbv( &mod->sml_values[0], &name );
 969                         mod->sml_values[1].bv_len = 0;
 970                         mod->sml_values[1].bv_val = NULL;
 971                         assert( mod->sml_values[0].bv_val );
 972                         mod->sml_nvalues =
 973                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 974                         ber_dupbv( &mod->sml_nvalues[0], &nname );
 975                         mod->sml_nvalues[1].bv_len = 0;
 976                         mod->sml_nvalues[1].bv_val = NULL;
 977                         assert( mod->sml_nvalues[0].bv_val );
 978                         *modtail = mod;
 979                         modtail = &mod->sml_next;
 980
 981                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 982                         mod->sml_op = mop;
 983                         mod->sml_type.bv_val = NULL;
 984                         mod->sml_desc = slap_schema.si_ad_createTimestamp;
 985                         mod->sml_values =
 986                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 987                         ber_dupbv( &mod->sml_values[0], &timestamp );
 988                         mod->sml_values[1].bv_len = 0;
 989                         mod->sml_values[1].bv_val = NULL;
 990                         assert( mod->sml_values[0].bv_val );
 991                         mod->sml_nvalues = NULL;
 992                         *modtail = mod;
 993                         modtail = &mod->sml_next;
 994                 }
 995         }
 996
 997         if ( SLAP_LASTMOD( op->o_bd )) {
 998                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 999                 mod->sml_op = mop;
1000                 mod->sml_type.bv_val = NULL;
1001                 mod->sml_desc = slap_schema.si_ad_entryCSN;
1002                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1003                 ber_dupbv( &mod->sml_values[0], &csn );
1004                 mod->sml_values[1].bv_len = 0;
1005                 mod->sml_values[1].bv_val = NULL;
1006                 assert( mod->sml_values[0].bv_val );
1007                 mod->sml_nvalues = NULL;
1008                 *modtail = mod;
1009                 modtail = &mod->sml_next;
1010
1011                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1012                 mod->sml_op = mop;
1013                 mod->sml_type.bv_val = NULL;
1014                 mod->sml_desc = slap_schema.si_ad_modifiersName;
1015                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1016                 ber_dupbv( &mod->sml_values[0], &name );
1017                 mod->sml_values[1].bv_len = 0;
1018                 mod->sml_values[1].bv_val = NULL;
1019                 assert( mod->sml_values[0].bv_val );
1020                 mod->sml_nvalues =
1021                         (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1022                 ber_dupbv( &mod->sml_nvalues[0], &nname );
1023                 mod->sml_nvalues[1].bv_len = 0;
1024                 mod->sml_nvalues[1].bv_val = NULL;
1025                 assert( mod->sml_nvalues[0].bv_val );
1026                 *modtail = mod;
1027                 modtail = &mod->sml_next;
1028
1029                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
1030                 mod->sml_op = mop;
1031                 mod->sml_type.bv_val = NULL;
1032                 mod->sml_desc = slap_schema.si_ad_modifyTimestamp;
1033                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1034                 ber_dupbv( &mod->sml_values[0], &timestamp );
1035                 mod->sml_values[1].bv_len = 0;
1036                 mod->sml_values[1].bv_val = NULL;
1037                 assert( mod->sml_values[0].bv_val );
1038                 mod->sml_nvalues = NULL;
1039                 *modtail = mod;
1040                 modtail = &mod->sml_next;
1041         }
1042
1043         *modtail = NULL;
1044         return LDAP_SUCCESS;
1045 }
1046