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

   1 /* $OpenLDAP$ */
   2 /*
   3  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6 /*
   7  * Copyright (c) 1995 Regents of the University of Michigan.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms are permitted
  11  * provided that this notice is preserved and that due credit is given
  12  * to the University of Michigan at Ann Arbor. The name of the University
  13  * may not be used to endorse or promote products derived from this
  14  * software without specific prior written permission. This software
  15  * is provided ``as is'' without express or implied warranty.
  16  */
  17
  18 #include "portable.h"
  19
  20 #include <stdio.h>
  21
  22 #include <ac/socket.h>
  23 #include <ac/string.h>
  24 #include <ac/time.h>
  25
  26 #include "ldap_pvt.h"
  27 #include "slap.h"
  28 #ifdef LDAP_SLAPI
  29 #include "slapi.h"
  30 #endif
  31 #include "lutil.h"
  32
  33
  34 int
  35 do_modify(
  36     Operation   *op,
  37     SlapReply   *rs )
  38 {
  39         struct berval dn = { 0, NULL };
  40         char            *last;
  41         ber_tag_t       tag;
  42         ber_len_t       len;
  43         Modifications   *modlist = NULL;
  44         Modifications   **modtail = &modlist;
  45 #ifdef LDAP_DEBUG
  46         Modifications *tmp;
  47 #endif
  48 #ifdef LDAP_SLAPI
  49         LDAPMod         **modv = NULL;
  50 #endif
  51         int manageDSAit;
  52         int increment = 0;
  53
  54 #ifdef NEW_LOGGING
  55         LDAP_LOG( OPERATION, ENTRY, "do_modify: enter\n", 0, 0, 0 );
  56 #else
  57         Debug( LDAP_DEBUG_TRACE, "do_modify\n", 0, 0, 0 );
  58 #endif
  59
  60         /*
  61          * Parse the modify request.  It looks like this:
  62          *
  63          *      ModifyRequest := [APPLICATION 6] SEQUENCE {
  64          *              name    DistinguishedName,
  65          *              mods    SEQUENCE OF SEQUENCE {
  66          *                      operation       ENUMERATED {
  67          *                              add     (0),
  68          *                              delete  (1),
  69          *                              replace (2)
  70          *                      },
  71          *                      modification    SEQUENCE {
  72          *                              type    AttributeType,
  73          *                              values  SET OF AttributeValue
  74          *                      }
  75          *              }
  76          *      }
  77          */
  78
  79         if ( ber_scanf( op->o_ber, "{m" /*}*/, &dn ) == LBER_ERROR ) {
  80 #ifdef NEW_LOGGING
  81                 LDAP_LOG( OPERATION, ERR, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  82 #else
  83                 Debug( LDAP_DEBUG_ANY, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  84 #endif
  85
  86                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
  87                 return SLAPD_DISCONNECT;
  88         }
  89
  90 #ifdef NEW_LOGGING
  91         LDAP_LOG( OPERATION, ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
  92 #else
  93         Debug( LDAP_DEBUG_ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
  94 #endif
  95
  96
  97         /* collect modifications & save for later */
  98
  99         for ( tag = ber_first_element( op->o_ber, &len, &last );
 100             tag != LBER_DEFAULT;
 101             tag = ber_next_element( op->o_ber, &len, last ) )
 102         {
 103                 ber_int_t mop;
 104                 Modifications tmp, *mod;
 105
 106                 tmp.sml_nvalues = NULL;
 107
 108                 if ( ber_scanf( op->o_ber, "{i{m[W]}}", &mop,
 109                     &tmp.sml_type, &tmp.sml_values )
 110                     == LBER_ERROR )
 111                 {
 112                         send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding modlist error" );
 113                         rs->sr_err = SLAPD_DISCONNECT;
 114                         goto cleanup;
 115                 }
 116
 117                 mod = (Modifications *) ch_malloc( sizeof(Modifications) );
 118                 mod->sml_op = mop;
 119                 mod->sml_type = tmp.sml_type;
 120                 mod->sml_values = tmp.sml_values;
 121                 mod->sml_nvalues = NULL;
 122                 mod->sml_desc = NULL;
 123                 mod->sml_next = NULL;
 124                 *modtail = mod;
 125
 126                 switch( mop ) {
 127                 case LDAP_MOD_ADD:
 128                         if ( mod->sml_values == NULL ) {
 129 #ifdef NEW_LOGGING
 130                                 LDAP_LOG( OPERATION, ERR,
 131                                         "do_modify: modify/add operation (%ld) requires values\n",
 132                                         (long)mop, 0, 0 );
 133 #else
 134                                 Debug( LDAP_DEBUG_ANY,
 135                                         "do_modify: modify/add operation (%ld) requires values\n",
 136                                         (long) mop, 0, 0 );
 137 #endif
 138
 139                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 140                                         "modify/add operation requires values" );
 141                                 goto cleanup;
 142                         }
 143
 144                         /* fall through */
 145
 146                 case LDAP_MOD_DELETE:
 147                 case LDAP_MOD_REPLACE:
 148                         break;
 149
 150                 case LDAP_MOD_INCREMENT:
 151                         if( op->o_protocol >= LDAP_VERSION3 ) {
 152                                 increment++;
 153                                 if ( mod->sml_values == NULL ) {
 154 #ifdef NEW_LOGGING
 155                                         LDAP_LOG( OPERATION, ERR, "do_modify: "
 156                                                 "modify/increment operation (%ld) requires value\n",
 157                                                 (long)mop, 0, 0 );
 158 #else
 159                                         Debug( LDAP_DEBUG_ANY, "do_modify: "
 160                                                 "modify/increment operation (%ld) requires value\n",
 161                                                 (long) mop, 0, 0 );
 162 #endif
 163
 164                                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 165                                                 "modify/increment operation requires value" );
 166                                         goto cleanup;
 167                                 }
 168
 169                                 if( mod->sml_values[1].bv_val ) {
 170 #ifdef NEW_LOGGING
 171                                         LDAP_LOG( OPERATION, ERR, "do_modify: modify/increment "
 172                                                 "operation (%ld) requires single value\n",
 173                                                 (long)mop, 0, 0 );
 174 #else
 175                                         Debug( LDAP_DEBUG_ANY, "do_modify: modify/increment "
 176                                                 "operation (%ld) requires single value\n",
 177                                                 (long) mop, 0, 0 );
 178 #endif
 179
 180                                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 181                                                 "modify/increment operation requires single value" );
 182                                         goto cleanup;
 183                                 }
 184
 185                                 break;
 186                         }
 187                         /* fall thru */
 188
 189                 default: {
 190 #ifdef NEW_LOGGING
 191                                 LDAP_LOG( OPERATION, ERR,
 192                                         "do_modify: unrecognized modify operation (%ld)\n",
 193                                         (long)mop, 0, 0 );
 194 #else
 195                                 Debug( LDAP_DEBUG_ANY,
 196                                         "do_modify: unrecognized modify operation (%ld)\n",
 197                                         (long) mop, 0, 0 );
 198 #endif
 199
 200                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 201                                         "unrecognized modify operation" );
 202                                 goto cleanup;
 203                         }
 204                 }
 205
 206                 modtail = &mod->sml_next;
 207         }
 208         *modtail = NULL;
 209
 210         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 211 #ifdef NEW_LOGGING
 212                 LDAP_LOG( OPERATION, ERR, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 213 #else
 214                 Debug( LDAP_DEBUG_ANY, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 215 #endif
 216
 217                 goto cleanup;
 218         }
 219
 220         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
 221                 op->o_tmpmemctx );
 222         if( rs->sr_err != LDAP_SUCCESS ) {
 223 #ifdef NEW_LOGGING
 224                 LDAP_LOG( OPERATION, INFO, "do_modify: conn %d  invalid dn (%s)\n",
 225                         op->o_connid, dn.bv_val, 0 );
 226 #else
 227                 Debug( LDAP_DEBUG_ANY,
 228                         "do_modify: invalid dn (%s)\n", dn.bv_val, 0, 0 );
 229 #endif
 230                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 231                 goto cleanup;
 232         }
 233
 234         if( op->o_req_ndn.bv_len == 0 ) {
 235 #ifdef NEW_LOGGING
 236                 LDAP_LOG( OPERATION, ERR,
 237                         "do_modify: attempt to modify root DSE.\n",0, 0, 0 );
 238 #else
 239                 Debug( LDAP_DEBUG_ANY, "do_modify: root dse!\n", 0, 0, 0 );
 240 #endif
 241
 242                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 243                         "modify upon the root DSE not supported" );
 244                 goto cleanup;
 245
 246         } else if ( bvmatch( &op->o_req_ndn, &global_schemandn ) ) {
 247 #ifdef NEW_LOGGING
 248                 LDAP_LOG( OPERATION, ERR,
 249                         "do_modify: attempt to modify subschema subentry.\n" , 0, 0, 0  );
 250 #else
 251                 Debug( LDAP_DEBUG_ANY, "do_modify: subschema subentry!\n", 0, 0, 0 );
 252 #endif
 253
 254                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 255                         "modification of subschema subentry not supported" );
 256                 goto cleanup;
 257         }
 258
 259 #ifdef LDAP_DEBUG
 260 #ifdef NEW_LOGGING
 261         LDAP_LOG( OPERATION, DETAIL1, "do_modify: modifications:\n", 0, 0, 0  );
 262 #else
 263         Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
 264 #endif
 265
 266         for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 267 #ifdef NEW_LOGGING
 268                 LDAP_LOG( OPERATION, DETAIL1, "\t%s:  %s\n",
 269                         tmp->sml_op == LDAP_MOD_ADD ? "add" :
 270                                 (tmp->sml_op == LDAP_MOD_INCREMENT ? "increment" :
 271                                         (tmp->sml_op == LDAP_MOD_DELETE ? "delete" :
 272                                                 "replace")), tmp->sml_type.bv_val, 0 );
 273
 274                 if ( tmp->sml_values == NULL ) {
 275                         LDAP_LOG( OPERATION, DETAIL1, "\t\tno values", 0, 0, 0 );
 276                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 277                         LDAP_LOG( OPERATION, DETAIL1, "\t\tzero values", 0, 0, 0 );
 278                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 279                         LDAP_LOG( OPERATION, DETAIL1, "\t\tone value", 0, 0, 0 );
 280                 } else {
 281                         LDAP_LOG( OPERATION, DETAIL1, "\t\tmultiple values", 0, 0, 0 );
 282                 }
 283
 284 #else
 285                 Debug( LDAP_DEBUG_ARGS, "\t%s: %s\n",
 286                         tmp->sml_op == LDAP_MOD_ADD ? "add" :
 287                                 (tmp->sml_op == LDAP_MOD_INCREMENT ? "increment" :
 288                                 (tmp->sml_op == LDAP_MOD_DELETE ? "delete" :
 289                                         "replace")), tmp->sml_type.bv_val, 0 );
 290
 291                 if ( tmp->sml_values == NULL ) {
 292                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 293                            "\t\tno values", NULL, NULL );
 294                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 295                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 296                            "\t\tzero values", NULL, NULL );
 297                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 298                         Debug( LDAP_DEBUG_ARGS, "%s, length %ld\n",
 299                            "\t\tone value", (long) tmp->sml_values[0].bv_len, NULL );
 300                 } else {
 301                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 302                            "\t\tmultiple values", NULL, NULL );
 303                 }
 304 #endif
 305         }
 306
 307         if ( StatslogTest( LDAP_DEBUG_STATS ) ) {
 308                 char abuf[BUFSIZ/2], *ptr = abuf;
 309                 int len = 0;
 310
 311                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD dn=\"%s\"\n",
 312                         op->o_connid, op->o_opid, dn.bv_val, 0, 0 );
 313
 314                 for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 315                         if (len + 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 316                                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 317                                     op->o_connid, op->o_opid, abuf, 0, 0 );
 318
 319                         len = 0;
 320                                 ptr = abuf;
 321
 322                                 if( 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 323                                         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 324                                                 op->o_connid, op->o_opid, tmp->sml_type.bv_val, 0, 0 );
 325                                         continue;
 326                                 }
 327                         }
 328                         if (len) {
 329                                 *ptr++ = ' ';
 330                                 len++;
 331                         }
 332                         ptr = lutil_strcopy(ptr, tmp->sml_type.bv_val);
 333                         len += tmp->sml_type.bv_len;
 334                 }
 335                 if (len) {
 336                         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 337                                 op->o_connid, op->o_opid, abuf, 0, 0 );
 338                 }
 339         }
 340 #endif  /* LDAP_DEBUG */
 341
 342         manageDSAit = get_manageDSAit( op );
 343
 344         /*
 345          * We could be serving multiple database backends.  Select the
 346          * appropriate one, or send a referral to our "referral server"
 347          * if we don't hold it.
 348          */
 349         op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
 350         if ( op->o_bd == NULL ) {
 351                 rs->sr_ref = referral_rewrite( default_referral,
 352                         NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 353                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 354
 355                 if (rs->sr_ref != NULL ) {
 356                         rs->sr_err = LDAP_REFERRAL;
 357                         send_ldap_result( op, rs );
 358
 359                         if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
 360                 } else {
 361                         send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 362                                 "referral missing" );
 363                 }
 364                 goto cleanup;
 365         }
 366
 367         /* check restrictions */
 368         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 369                 send_ldap_result( op, rs );
 370                 goto cleanup;
 371         }
 372
 373         /* check for referrals */
 374         if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 375                 goto cleanup;
 376         }
 377
 378         /* check for modify/increment support */
 379         if( increment && !SLAP_INCREMENT( op->o_bd ) ) {
 380                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 381                         "modify/increment not supported in context" );
 382         }
 383
 384 #if defined( LDAP_SLAPI )
 385 #define pb      op->o_pb
 386         if ( pb ) {
 387                 slapi_x_pblock_set_operation( pb, op );
 388                 slapi_pblock_set( pb, SLAPI_MODIFY_TARGET, (void *)dn.bv_val );
 389                 slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 390                 modv = slapi_x_modifications2ldapmods( &modlist );
 391                 slapi_pblock_set( pb, SLAPI_MODIFY_MODS, (void *)modv );
 392
 393                 rs->sr_err = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_MODIFY_FN, pb );
 394                 if ( rs->sr_err < 0 ) {
 395                         /*
 396                          * A preoperation plugin failure will abort the
 397                          * entire operation.
 398                          */
 399 #ifdef NEW_LOGGING
 400                         LDAP_LOG( OPERATION, INFO, "do_modify: modify preoperation plugin "
 401                                         "failed\n", 0, 0, 0 );
 402 #else
 403                         Debug(LDAP_DEBUG_TRACE, "do_modify: modify preoperation plugin failed.\n",
 404                                         0, 0, 0);
 405 #endif
 406                         if ( ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE, (void *)&rs->sr_err ) != 0 )  ||
 407                                  rs->sr_err == LDAP_SUCCESS ) {
 408                                 rs->sr_err = LDAP_OTHER;
 409                         }
 410                         slapi_x_free_ldapmods( modv );
 411                         modv = NULL;
 412                         goto cleanup;
 413                 }
 414
 415                 /*
 416                  * It's possible that the preoperation plugin changed the
 417                  * modification array, so we need to convert it back to
 418                  * a Modification list.
 419                  *
 420                  * Calling slapi_x_modifications2ldapmods() destroyed modlist so
 421                  * we don't need to free it.
 422                  */
 423                 slapi_pblock_get( pb, SLAPI_MODIFY_MODS, (void **)&modv );
 424                 modlist = slapi_x_ldapmods2modifications( modv );
 425         }
 426
 427         /*
 428          * NB: it is valid for the plugin to return no modifications
 429          * (for example, a plugin might store some attributes elsewhere
 430          * and remove them from the modification list; if only those
 431          * attribute types were included in the modification request,
 432          * then slapi_x_ldapmods2modifications() above will return
 433          * NULL).
 434          *
 435          * However, the post-operation plugin should still be
 436          * called.
 437          */
 438         if ( modlist == NULL ) {
 439                 rs->sr_err = LDAP_SUCCESS;
 440                 send_ldap_result( op, rs );
 441         } else {
 442 #endif /* defined( LDAP_SLAPI ) */
 443
 444         /*
 445          * do the modify if 1 && (2 || 3)
 446          * 1) there is a modify function implemented in this backend;
 447          * 2) this backend is master for what it holds;
 448          * 3) it's a replica and the dn supplied is the update_ndn.
 449          */
 450         if ( op->o_bd->be_modify ) {
 451                 /* do the update here */
 452                 int repl_user = be_isupdate( op->o_bd, &op->o_ndn );
 453
 454                 /* Multimaster slapd does not have to check for replicator dn
 455                  * because it accepts each modify request
 456                  */
 457 #ifndef SLAPD_MULTIMASTER
 458                 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo ) &&
 459                         ( !op->o_bd->be_update_ndn.bv_len || repl_user ))
 460 #else
 461                 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo ))
 462 #endif
 463                 {
 464                         int update = op->o_bd->be_update_ndn.bv_len;
 465                         char textbuf[SLAP_TEXT_BUFLEN];
 466                         size_t textlen = sizeof textbuf;
 467
 468                         rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
 469                                 textbuf, textlen, NULL );
 470
 471                         if( rs->sr_err != LDAP_SUCCESS ) {
 472                                 send_ldap_result( op, rs );
 473                                 goto cleanup;
 474                         }
 475
 476                         if ( !repl_user ) {
 477                                 for( modtail = &modlist;
 478                                         *modtail != NULL;
 479                                         modtail = &(*modtail)->sml_next )
 480                                 {
 481                                         /* empty */
 482                                 }
 483
 484                                 rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
 485                                         &rs->sr_text, textbuf, textlen );
 486                                 if( rs->sr_err != LDAP_SUCCESS ) {
 487                                         send_ldap_result( op, rs );
 488                                         goto cleanup;
 489                                 }
 490                         }
 491
 492                         op->orm_modlist = modlist;
 493                         if ( (op->o_bd->be_modify)( op, rs ) == 0
 494 #ifdef SLAPD_MULTIMASTER
 495                                 && !repl_user
 496 #endif
 497                         ) {
 498                                 /* but we log only the ones not from a replicator user */
 499                                 replog( op );
 500                         }
 501
 502 #ifndef SLAPD_MULTIMASTER
 503                 /* send a referral */
 504                 } else {
 505                         BerVarray defref = NULL;
 506                         if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 507                                 syncinfo_t *si;
 508                                 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
 509                                         struct berval tmpbv;
 510                                         ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
 511                                         ber_bvarray_add( &defref, &tmpbv );
 512                                 }
 513                         } else {
 514                                 defref = op->o_bd->be_update_refs
 515                                                 ? op->o_bd->be_update_refs : default_referral;
 516                         }
 517                         if ( defref != NULL ) {
 518                                 rs->sr_ref = referral_rewrite( defref,
 519                                         NULL, &op->o_req_dn,
 520                                         LDAP_SCOPE_DEFAULT );
 521                                 if (!rs->sr_ref) rs->sr_ref = defref;
 522                                 rs->sr_err = LDAP_REFERRAL;
 523                                 send_ldap_result( op, rs );
 524                                 if (rs->sr_ref != defref) {
 525                                         ber_bvarray_free( rs->sr_ref );
 526                                 }
 527                         } else {
 528                                 send_ldap_error( op, rs,
 529                                                 LDAP_UNWILLING_TO_PERFORM,
 530                                                 "referral missing" );
 531                         }
 532 #endif
 533                 }
 534         } else {
 535                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 536                     "operation not supported within namingContext" );
 537         }
 538
 539 #if defined( LDAP_SLAPI )
 540         } /* modlist != NULL */
 541
 542         if ( pb && doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_MODIFY_FN, pb ) < 0 ) {
 543 #ifdef NEW_LOGGING
 544                 LDAP_LOG( OPERATION, INFO, "do_modify: modify postoperation plugins "
 545                                 "failed\n", 0, 0, 0 );
 546 #else
 547                 Debug(LDAP_DEBUG_TRACE, "do_modify: modify postoperation plugins "
 548                                 "failed.\n", 0, 0, 0);
 549 #endif
 550         }
 551 #endif /* defined( LDAP_SLAPI ) */
 552
 553 cleanup:
 554
 555         slap_graduate_commit_csn( op );
 556
 557         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 558         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 559         if ( modlist != NULL ) slap_mods_free( modlist );
 560 #if defined( LDAP_SLAPI )
 561         if ( modv != NULL ) slapi_x_free_ldapmods( modv );
 562 #endif
 563         return rs->sr_err;
 564 }
 565
 566 /*
 567  * Do basic attribute type checking and syntax validation.
 568  */
 569 int slap_mods_check(
 570         Modifications *ml,
 571         int update,
 572         const char **text,
 573         char *textbuf,
 574         size_t textlen,
 575         void *ctx )
 576 {
 577         int rc;
 578
 579         for( ; ml != NULL; ml = ml->sml_next ) {
 580                 AttributeDescription *ad = NULL;
 581
 582                 /* convert to attribute description */
 583                 rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
 584
 585                 if( rc != LDAP_SUCCESS ) {
 586                         snprintf( textbuf, textlen, "%s: %s",
 587                                 ml->sml_type.bv_val, *text );
 588                         *text = textbuf;
 589                         return rc;
 590                 }
 591
 592                 ad = ml->sml_desc;
 593
 594                 if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
 595                         && !slap_ad_is_binary( ad ))
 596                 {
 597                         /* attribute requires binary transfer */
 598                         snprintf( textbuf, textlen,
 599                                 "%s: requires ;binary transfer",
 600                                 ml->sml_type.bv_val );
 601                         *text = textbuf;
 602                         return LDAP_UNDEFINED_TYPE;
 603                 }
 604
 605                 if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
 606                         && slap_ad_is_binary( ad ))
 607                 {
 608                         /* attribute requires binary transfer */
 609                         snprintf( textbuf, textlen,
 610                                 "%s: disallows ;binary transfer",
 611                                 ml->sml_type.bv_val );
 612                         *text = textbuf;
 613                         return LDAP_UNDEFINED_TYPE;
 614                 }
 615
 616                 if( slap_ad_is_tag_range( ad )) {
 617                         /* attribute requires binary transfer */
 618                         snprintf( textbuf, textlen,
 619                                 "%s: inappropriate use of tag range option",
 620                                 ml->sml_type.bv_val );
 621                         *text = textbuf;
 622                         return LDAP_UNDEFINED_TYPE;
 623                 }
 624
 625                 if (!update && is_at_no_user_mod( ad->ad_type )) {
 626                         /* user modification disallowed */
 627                         snprintf( textbuf, textlen,
 628                                 "%s: no user modification allowed",
 629                                 ml->sml_type.bv_val );
 630                         *text = textbuf;
 631                         return LDAP_CONSTRAINT_VIOLATION;
 632                 }
 633
 634                 if ( is_at_obsolete( ad->ad_type ) &&
 635                         (( ml->sml_op != LDAP_MOD_REPLACE &&
 636                                 ml->sml_op != LDAP_MOD_DELETE ) ||
 637                                         ml->sml_values != NULL ))
 638                 {
 639                         /*
 640                          * attribute is obsolete,
 641                          * only allow replace/delete with no values
 642                          */
 643                         snprintf( textbuf, textlen,
 644                                 "%s: attribute is obsolete",
 645                                 ml->sml_type.bv_val );
 646                         *text = textbuf;
 647                         return LDAP_CONSTRAINT_VIOLATION;
 648                 }
 649
 650                 if ( ml->sml_op == LDAP_MOD_INCREMENT &&
 651 #ifdef SLAPD_REAL_SYNTAX
 652                         !is_at_syntax( ad->ad_type, SLAPD_REAL_SYNTAX ) &&
 653 #endif
 654                         !is_at_syntax( ad->ad_type, SLAPD_INTEGER_SYNTAX ) )
 655                 {
 656                         /*
 657                          * attribute values must be INTEGER or REAL
 658                          */
 659                         snprintf( textbuf, textlen,
 660                                 "%s: attribute syntax inappropriate for increment",
 661                                 ml->sml_type.bv_val );
 662                         *text = textbuf;
 663                         return LDAP_CONSTRAINT_VIOLATION;
 664                 }
 665
 666                 /*
 667                  * check values
 668                  */
 669                 if( ml->sml_values != NULL ) {
 670                         ber_len_t nvals;
 671                         slap_syntax_validate_func *validate =
 672                                 ad->ad_type->sat_syntax->ssyn_validate;
 673                         slap_syntax_transform_func *pretty =
 674                                 ad->ad_type->sat_syntax->ssyn_pretty;
 675
 676                         if( !pretty && !validate ) {
 677                                 *text = "no validator for syntax";
 678                                 snprintf( textbuf, textlen,
 679                                         "%s: no validator for syntax %s",
 680                                         ml->sml_type.bv_val,
 681                                         ad->ad_type->sat_syntax->ssyn_oid );
 682                                 *text = textbuf;
 683                                 return LDAP_INVALID_SYNTAX;
 684                         }
 685
 686                         /*
 687                          * check that each value is valid per syntax
 688                          *      and pretty if appropriate
 689                          */
 690                         for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 691                                 struct berval pval;
 692                                 if( pretty ) {
 693                                         rc = pretty( ad->ad_type->sat_syntax,
 694                                                 &ml->sml_values[nvals], &pval, ctx );
 695                                 } else {
 696                                         rc = validate( ad->ad_type->sat_syntax,
 697                                                 &ml->sml_values[nvals] );
 698                                 }
 699
 700                                 if( rc != 0 ) {
 701                                         snprintf( textbuf, textlen,
 702                                                 "%s: value #%ld invalid per syntax",
 703                                                 ml->sml_type.bv_val, (long) nvals );
 704                                         *text = textbuf;
 705                                         return LDAP_INVALID_SYNTAX;
 706                                 }
 707
 708                                 if( pretty ) {
 709                                         ber_memfree_x( ml->sml_values[nvals].bv_val, ctx );
 710                                         ml->sml_values[nvals] = pval;
 711                                 }
 712                         }
 713
 714                         /*
 715                          * a rough single value check... an additional check is needed
 716                          * to catch add of single value to existing single valued attribute
 717                          */
 718                         if ((ml->sml_op == LDAP_MOD_ADD || ml->sml_op == LDAP_MOD_REPLACE)
 719                                 && nvals > 1 && is_at_single_value( ad->ad_type ))
 720                         {
 721                                 snprintf( textbuf, textlen,
 722                                         "%s: multiple values provided",
 723                                         ml->sml_type.bv_val );
 724                                 *text = textbuf;
 725                                 return LDAP_CONSTRAINT_VIOLATION;
 726                         }
 727
 728                         /* if the type has a normalizer, generate the
 729                          * normalized values. otherwise leave them NULL.
 730                          *
 731                          * this is different from the rule for attributes
 732                          * in an entry - in an attribute list, the normalized
 733                          * value is set equal to the non-normalized value
 734                          * when there is no normalizer.
 735                          */
 736                         if( nvals && ad->ad_type->sat_equality &&
 737                                 ad->ad_type->sat_equality->smr_normalize )
 738                         {
 739                                 ml->sml_nvalues = ber_memalloc_x(
 740                                         (nvals+1)*sizeof(struct berval), ctx );
 741
 742                                 for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 743                                         rc = ad->ad_type->sat_equality->smr_normalize(
 744                                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 745                                                 ad->ad_type->sat_syntax,
 746                                                 ad->ad_type->sat_equality,
 747                                                 &ml->sml_values[nvals], &ml->sml_nvalues[nvals], ctx );
 748                                         if( rc ) {
 749 #ifdef NEW_LOGGING
 750                                                 LDAP_LOG( OPERATION, DETAIL1,
 751                                                         "str2entry:  NULL (ssyn_normalize %d)\n",
 752                                                         rc, 0, 0 );
 753 #else
 754                                                 Debug( LDAP_DEBUG_ANY,
 755                                                         "<= str2entry NULL (ssyn_normalize %d)\n",
 756                                                         rc, 0, 0 );
 757 #endif
 758                                                 snprintf( textbuf, textlen,
 759                                                         "%s: value #%ld normalization failed",
 760                                                         ml->sml_type.bv_val, (long) nvals );
 761                                                 *text = textbuf;
 762                                                 return rc;
 763                                         }
 764                                 }
 765
 766                                 ml->sml_nvalues[nvals].bv_val = NULL;
 767                                 ml->sml_nvalues[nvals].bv_len = 0;
 768                         }
 769                 }
 770         }
 771
 772         return LDAP_SUCCESS;
 773 }
 774
 775 int slap_mods_opattrs(
 776         Operation *op,
 777         Modifications *mods,
 778         Modifications **modtail,
 779         const char **text,
 780         char *textbuf, size_t textlen )
 781 {
 782         struct berval name, timestamp, csn;
 783         struct berval nname;
 784         char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 785         char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
 786         Modifications *mod;
 787
 788         int mop = op->o_tag == LDAP_REQ_ADD
 789                 ? LDAP_MOD_ADD : LDAP_MOD_REPLACE;
 790
 791         assert( modtail != NULL );
 792         assert( *modtail == NULL );
 793
 794         if ( SLAP_LASTMOD( op->o_bd )) {
 795                 struct tm *ltm;
 796                 time_t now = slap_get_time();
 797
 798                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 799                 ltm = gmtime( &now );
 800                 lutil_gentime( timebuf, sizeof(timebuf), ltm );
 801
 802                 slap_get_csn( op, csnbuf, sizeof(csnbuf), &csn, 1 );
 803
 804                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 805
 806                 timestamp.bv_val = timebuf;
 807                 timestamp.bv_len = strlen(timebuf);
 808
 809                 if( op->o_dn.bv_len == 0 ) {
 810                         name.bv_val = SLAPD_ANONYMOUS;
 811                         name.bv_len = sizeof(SLAPD_ANONYMOUS)-1;
 812                         nname = name;
 813                 } else {
 814                         name = op->o_dn;
 815                         nname = op->o_ndn;
 816                 }
 817         }
 818
 819         if( op->o_tag == LDAP_REQ_ADD ) {
 820                 struct berval tmpval;
 821
 822                 if( global_schemacheck ) {
 823                         int rc = mods_structural_class( mods, &tmpval,
 824                                 text, textbuf, textlen );
 825                         if( rc != LDAP_SUCCESS ) return rc;
 826
 827                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 828                         mod->sml_op = mop;
 829                         mod->sml_type.bv_val = NULL;
 830                         mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
 831                         mod->sml_values =
 832                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 833                         ber_dupbv( &mod->sml_values[0], &tmpval );
 834                         mod->sml_values[1].bv_len = 0;
 835                         mod->sml_values[1].bv_val = NULL;
 836                         assert( mod->sml_values[0].bv_val );
 837                         mod->sml_nvalues =
 838                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 839                         ber_dupbv( &mod->sml_nvalues[0], &tmpval );
 840                         mod->sml_nvalues[1].bv_len = 0;
 841                         mod->sml_nvalues[1].bv_val = NULL;
 842                         assert( mod->sml_nvalues[0].bv_val );
 843                         *modtail = mod;
 844                         modtail = &mod->sml_next;
 845                 }
 846
 847                 if ( SLAP_LASTMOD( op->o_bd )) {
 848                         char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 849
 850                         tmpval.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
 851                         tmpval.bv_val = uuidbuf;
 852
 853                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 854                         mod->sml_op = mop;
 855                         mod->sml_type.bv_val = NULL;
 856                         mod->sml_desc = slap_schema.si_ad_entryUUID;
 857                         mod->sml_values =
 858                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 859                         ber_dupbv( &mod->sml_values[0], &tmpval );
 860                         mod->sml_values[1].bv_len = 0;
 861                         mod->sml_values[1].bv_val = NULL;
 862                         assert( mod->sml_values[0].bv_val );
 863                         mod->sml_nvalues =
 864                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 865                         (*mod->sml_desc->ad_type->sat_equality->smr_normalize)(
 866                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 867                                         mod->sml_desc->ad_type->sat_syntax,
 868                                         mod->sml_desc->ad_type->sat_equality,
 869                                         mod->sml_values, mod->sml_nvalues, NULL );
 870                         mod->sml_nvalues[1].bv_len = 0;
 871                         mod->sml_nvalues[1].bv_val = NULL;
 872                         *modtail = mod;
 873                         modtail = &mod->sml_next;
 874
 875                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 876                         mod->sml_op = mop;
 877                         mod->sml_type.bv_val = NULL;
 878                         mod->sml_desc = slap_schema.si_ad_creatorsName;
 879                         mod->sml_values =
 880                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 881                         ber_dupbv( &mod->sml_values[0], &name );
 882                         mod->sml_values[1].bv_len = 0;
 883                         mod->sml_values[1].bv_val = NULL;
 884                         assert( mod->sml_values[0].bv_val );
 885                         mod->sml_nvalues =
 886                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 887                         ber_dupbv( &mod->sml_nvalues[0], &nname );
 888                         mod->sml_nvalues[1].bv_len = 0;
 889                         mod->sml_nvalues[1].bv_val = NULL;
 890                         assert( mod->sml_nvalues[0].bv_val );
 891                         *modtail = mod;
 892                         modtail = &mod->sml_next;
 893
 894                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 895                         mod->sml_op = mop;
 896                         mod->sml_type.bv_val = NULL;
 897                         mod->sml_desc = slap_schema.si_ad_createTimestamp;
 898                         mod->sml_values =
 899                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 900                         ber_dupbv( &mod->sml_values[0], &timestamp );
 901                         mod->sml_values[1].bv_len = 0;
 902                         mod->sml_values[1].bv_val = NULL;
 903                         assert( mod->sml_values[0].bv_val );
 904                         mod->sml_nvalues = NULL;
 905                         *modtail = mod;
 906                         modtail = &mod->sml_next;
 907                 }
 908         }
 909
 910         if ( SLAP_LASTMOD( op->o_bd )) {
 911                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 912                 mod->sml_op = mop;
 913                 mod->sml_type.bv_val = NULL;
 914                 mod->sml_desc = slap_schema.si_ad_entryCSN;
 915                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 916                 ber_dupbv( &mod->sml_values[0], &csn );
 917                 mod->sml_values[1].bv_len = 0;
 918                 mod->sml_values[1].bv_val = NULL;
 919                 assert( mod->sml_values[0].bv_val );
 920                 mod->sml_nvalues = NULL;
 921                 *modtail = mod;
 922                 modtail = &mod->sml_next;
 923
 924                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 925                 mod->sml_op = mop;
 926                 mod->sml_type.bv_val = NULL;
 927                 mod->sml_desc = slap_schema.si_ad_modifiersName;
 928                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 929                 ber_dupbv( &mod->sml_values[0], &name );
 930                 mod->sml_values[1].bv_len = 0;
 931                 mod->sml_values[1].bv_val = NULL;
 932                 assert( mod->sml_values[0].bv_val );
 933                 mod->sml_nvalues =
 934                         (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 935                 ber_dupbv( &mod->sml_nvalues[0], &nname );
 936                 mod->sml_nvalues[1].bv_len = 0;
 937                 mod->sml_nvalues[1].bv_val = NULL;
 938                 assert( mod->sml_nvalues[0].bv_val );
 939                 *modtail = mod;
 940                 modtail = &mod->sml_next;
 941
 942                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 943                 mod->sml_op = mop;
 944                 mod->sml_type.bv_val = NULL;
 945                 mod->sml_desc = slap_schema.si_ad_modifyTimestamp;
 946                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 947                 ber_dupbv( &mod->sml_values[0], &timestamp );
 948                 mod->sml_values[1].bv_len = 0;
 949                 mod->sml_values[1].bv_val = NULL;
 950                 assert( mod->sml_values[0].bv_val );
 951                 mod->sml_nvalues = NULL;
 952                 *modtail = mod;
 953                 modtail = &mod->sml_next;
 954         }
 955
 956         *modtail = NULL;
 957         return LDAP_SUCCESS;
 958 }
 959