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

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