git.sur5r.net Git - openldap/blob - servers/slapd/add.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 #include <ac/string.h>
  22 #include <ac/time.h>
  23 #include <ac/socket.h>
  24
  25 #include "ldap_pvt.h"
  26 #include "slap.h"
  27
  28 #ifdef LDAP_SLAPI
  29 #include "slapi.h"
  30 static void initAddPlugin( Operation *op,
  31         struct berval *dn, Entry *e, int manageDSAit );
  32 static int doPreAddPluginFNs( Operation *op );
  33 static void doPostAddPluginFNs( Operation *op );
  34 #endif /* LDAP_SLAPI */
  35
  36 int
  37 do_add( Operation *op, SlapReply *rs )
  38 {
  39         BerElement      *ber = op->o_ber;
  40         char            *last;
  41         struct berval dn = { 0, NULL };
  42         ber_len_t       len;
  43         ber_tag_t       tag;
  44         Entry           *e;
  45         Modifications   *modlist = NULL;
  46         Modifications   **modtail = &modlist;
  47         Modifications   tmp;
  48         int     manageDSAit;
  49
  50 #ifdef NEW_LOGGING
  51         LDAP_LOG( OPERATION, ENTRY, "do_add: conn %d enter\n", op->o_connid,0,0 );
  52 #else
  53         Debug( LDAP_DEBUG_TRACE, "do_add\n", 0, 0, 0 );
  54 #endif
  55         /*
  56          * Parse the add request.  It looks like this:
  57          *
  58          *      AddRequest := [APPLICATION 14] SEQUENCE {
  59          *              name    DistinguishedName,
  60          *              attrs   SEQUENCE OF SEQUENCE {
  61          *                      type    AttributeType,
  62          *                      values  SET OF AttributeValue
  63          *              }
  64          *      }
  65          */
  66
  67         /* get the name */
  68         if ( ber_scanf( ber, "{m", /*}*/ &dn ) == LBER_ERROR ) {
  69 #ifdef NEW_LOGGING
  70                 LDAP_LOG( OPERATION, ERR,
  71                         "do_add: conn %d ber_scanf failed\n", op->o_connid,0,0 );
  72 #else
  73                 Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
  74 #endif
  75                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
  76                 return -1;
  77         }
  78
  79         e = (Entry *) ch_calloc( 1, sizeof(Entry) );
  80
  81         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
  82
  83         if( rs->sr_err != LDAP_SUCCESS ) {
  84 #ifdef NEW_LOGGING
  85                 LDAP_LOG( OPERATION, ERR,
  86                         "do_add: conn %d invalid dn (%s)\n", op->o_connid, dn.bv_val, 0 );
  87 #else
  88                 Debug( LDAP_DEBUG_ANY, "do_add: invalid dn (%s)\n", dn.bv_val, 0, 0 );
  89 #endif
  90                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
  91                 goto done;
  92         }
  93
  94         ber_dupbv( &e->e_name, &op->o_req_dn );
  95         ber_dupbv( &e->e_nname, &op->o_req_ndn );
  96
  97 #ifdef NEW_LOGGING
  98         LDAP_LOG( OPERATION, ARGS,
  99                 "do_add: conn %d  dn (%s)\n", op->o_connid, e->e_dn, 0 );
 100 #else
 101         Debug( LDAP_DEBUG_ARGS, "do_add: dn (%s)\n", e->e_dn, 0, 0 );
 102 #endif
 103
 104         /* get the attrs */
 105         for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
 106             tag = ber_next_element( ber, &len, last ) )
 107         {
 108                 Modifications *mod;
 109                 ber_tag_t rtag;
 110
 111                 tmp.sml_nvalues = NULL;
 112
 113                 rtag = ber_scanf( ber, "{m{W}}", &tmp.sml_type, &tmp.sml_values );
 114
 115                 if ( rtag == LBER_ERROR ) {
 116 #ifdef NEW_LOGGING
 117                         LDAP_LOG( OPERATION, ERR,
 118                                    "do_add: conn %d      decoding error \n", op->o_connid, 0, 0 );
 119 #else
 120                         Debug( LDAP_DEBUG_ANY, "do_add: decoding error\n", 0, 0, 0 );
 121 #endif
 122                         send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
 123                         rs->sr_err = -1;
 124                         goto done;
 125                 }
 126
 127                 if ( tmp.sml_values == NULL ) {
 128 #ifdef NEW_LOGGING
 129                         LDAP_LOG( OPERATION, INFO,
 130                                 "do_add: conn %d         no values for type %s\n",
 131                                 op->o_connid, tmp.sml_type.bv_val, 0 );
 132 #else
 133                         Debug( LDAP_DEBUG_ANY, "no values for type %s\n",
 134                                 tmp.sml_type.bv_val, 0, 0 );
 135 #endif
 136                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "no values for attribute type" );
 137                         goto done;
 138                 }
 139
 140                 mod  = (Modifications *) ch_malloc( sizeof(Modifications) );
 141                 mod->sml_op = LDAP_MOD_ADD;
 142                 mod->sml_next = NULL;
 143                 mod->sml_desc = NULL;
 144                 mod->sml_type = tmp.sml_type;
 145                 mod->sml_values = tmp.sml_values;
 146                 mod->sml_nvalues = NULL;
 147
 148                 *modtail = mod;
 149                 modtail = &mod->sml_next;
 150         }
 151
 152         if ( ber_scanf( ber, /*{*/ "}") == LBER_ERROR ) {
 153 #ifdef NEW_LOGGING
 154                 LDAP_LOG( OPERATION, ERR,
 155                         "do_add: conn %d ber_scanf failed\n", op->o_connid, 0, 0 );
 156 #else
 157                 Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
 158 #endif
 159                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
 160                 rs->sr_err = -1;
 161                 goto done;
 162         }
 163
 164         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 165 #ifdef NEW_LOGGING
 166                 LDAP_LOG( OPERATION, INFO,
 167                         "do_add: conn %d get_ctrls failed\n", op->o_connid, 0, 0 );
 168 #else
 169                 Debug( LDAP_DEBUG_ANY, "do_add: get_ctrls failed\n", 0, 0, 0 );
 170 #endif
 171                 goto done;
 172         }
 173
 174         if ( modlist == NULL ) {
 175                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "no attributes provided" );
 176                 goto done;
 177         }
 178
 179         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu ADD dn=\"%s\"\n",
 180             op->o_connid, op->o_opid, e->e_name.bv_val, 0, 0 );
 181
 182         if( e->e_nname.bv_len == 0 ) {
 183                 /* protocolError may be a more appropriate error */
 184                 send_ldap_error( op, rs, LDAP_ALREADY_EXISTS, "root DSE already exists" );
 185                 goto done;
 186
 187         } else if ( bvmatch( &e->e_nname, &global_schemandn ) ) {
 188                 send_ldap_error( op, rs, LDAP_ALREADY_EXISTS, "subschema subentry already exists" );
 189                 goto done;
 190         }
 191
 192         manageDSAit = get_manageDSAit( op );
 193
 194         /*
 195          * We could be serving multiple database backends.  Select the
 196          * appropriate one, or send a referral to our "referral server"
 197          * if we don't hold it.
 198          */
 199         op->o_bd = select_backend( &e->e_nname, manageDSAit, 0 );
 200         if ( op->o_bd == NULL ) {
 201                 rs->sr_ref = referral_rewrite( default_referral,
 202                         NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
 203
 204                 rs->sr_err = LDAP_REFERRAL;
 205                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 206                 send_ldap_result( op, rs );
 207
 208                 if ( rs->sr_ref != default_referral ) ber_bvarray_free( rs->sr_ref );
 209                 goto done;
 210         }
 211
 212         /* check restrictions */
 213         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 214                 send_ldap_result( op, rs );
 215                 goto done;
 216         }
 217
 218         /* check for referrals */
 219         if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 220                 goto done;
 221         }
 222
 223 #ifdef LDAP_SLAPI
 224         initAddPlugin( op, &dn, e, manageDSAit );
 225 #endif /* LDAP_SLAPI */
 226
 227         /*
 228          * do the add if 1 && (2 || 3)
 229          * 1) there is an add function implemented in this backend;
 230          * 2) this backend is master for what it holds;
 231          * 3) it's a replica and the dn supplied is the updatedn.
 232          */
 233         if ( op->o_bd->be_add ) {
 234                 /* do the update here */
 235                 int repl_user = be_isupdate(op->o_bd, &op->o_ndn );
 236 #ifndef SLAPD_MULTIMASTER
 237                 if ( !op->o_bd->be_update_ndn.bv_len || repl_user )
 238 #endif
 239                 {
 240                         int update = op->o_bd->be_update_ndn.bv_len;
 241                         char textbuf[SLAP_TEXT_BUFLEN];
 242                         size_t textlen = sizeof textbuf;
 243
 244                         rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
 245                                 textbuf, textlen, NULL );
 246
 247                         if( rs->sr_err != LDAP_SUCCESS ) {
 248                                 send_ldap_result( op, rs );
 249                                 goto done;
 250                         }
 251
 252                         if ( !repl_user ) {
 253                                 for( modtail = &modlist;
 254                                         *modtail != NULL;
 255                                         modtail = &(*modtail)->sml_next )
 256                                 {
 257                                         assert( (*modtail)->sml_op == LDAP_MOD_ADD );
 258                                         assert( (*modtail)->sml_desc != NULL );
 259                                 }
 260                                 rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
 261                                         &rs->sr_text, textbuf, textlen );
 262                                 if( rs->sr_err != LDAP_SUCCESS ) {
 263                                         send_ldap_result( op, rs );
 264                                         goto done;
 265                                 }
 266                         }
 267
 268                         rs->sr_err = slap_mods2entry( modlist, &e, repl_user, &rs->sr_text,
 269                                 textbuf, textlen );
 270                         if( rs->sr_err != LDAP_SUCCESS ) {
 271                                 send_ldap_result( op, rs );
 272                                 goto done;
 273                         }
 274
 275 #ifdef LDAP_SLAPI
 276                         /*
 277                          * Call the preoperation plugin here, because the entry
 278                          * will actually contain something.
 279                          */
 280                         rs->sr_err = doPreAddPluginFNs( op );
 281                         if ( rs->sr_err != LDAP_SUCCESS ) {
 282                                 /* plugin will have sent result */
 283                                 goto done;
 284                         }
 285 #endif /* LDAP_SLAPI */
 286
 287                         op->ora_e = e;
 288                         if ( (op->o_bd->be_add)( op, rs ) == 0 ) {
 289 #ifdef SLAPD_MULTIMASTER
 290                                 if ( !repl_user )
 291 #endif
 292                                 {
 293                                         replog( op );
 294                                 }
 295                                 be_entry_release_w( op, e );
 296                                 e = NULL;
 297                         }
 298
 299 #ifndef SLAPD_MULTIMASTER
 300                 } else {
 301                         BerVarray defref;
 302 #ifdef LDAP_SLAPI
 303                         /*
 304                          * SLAPI_ADD_ENTRY will be empty, but this may be acceptable
 305                          * on replicas (for now, it involves the minimum code intrusion).
 306                          */
 307                         rs->sr_err = doPreAddPluginFNs( op );
 308                         if ( rs->sr_err != LDAP_SUCCESS ) {
 309                                 /* plugin will have sent result */
 310                                 goto done;
 311                         }
 312 #endif /* LDAP_SLAPI */
 313
 314                         defref = op->o_bd->be_update_refs
 315                                 ? op->o_bd->be_update_refs : default_referral;
 316                         if ( defref != NULL ) {
 317                                 rs->sr_ref = referral_rewrite( defref,
 318                                         NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
 319
 320                                 rs->sr_err = LDAP_REFERRAL;
 321                                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 322                                 send_ldap_result( op, rs );
 323
 324                                 if ( rs->sr_ref != default_referral ) ber_bvarray_free( rs->sr_ref );
 325                         } else {
 326                                 send_ldap_error( op, rs,
 327                                                 LDAP_UNWILLING_TO_PERFORM,
 328                                                 "referral missing" );
 329                         }
 330 #endif /* SLAPD_MULTIMASTER */
 331                 }
 332         } else {
 333 #ifdef LDAP_SLAPI
 334             rs->sr_err = doPreAddPluginFNs( op );
 335             if ( rs->sr_err != LDAP_SUCCESS ) {
 336                 /* plugin will have sent result */
 337                 goto done;
 338             }
 339 #endif
 340 #ifdef NEW_LOGGING
 341             LDAP_LOG( OPERATION, INFO,
 342                        "do_add: conn %d  no backend support\n", op->o_connid, 0, 0 );
 343 #else
 344             Debug( LDAP_DEBUG_ARGS, "    do_add: no backend support\n", 0, 0, 0 );
 345 #endif
 346             send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 347                               "operation not supported within namingContext" );
 348         }
 349
 350 #ifdef LDAP_SLAPI
 351         doPostAddPluginFNs( op );
 352 #endif /* LDAP_SLAPI */
 353
 354 done:
 355         if( modlist != NULL ) {
 356                 slap_mods_free( modlist );
 357         }
 358         if( e != NULL ) {
 359                 entry_free( e );
 360         }
 361         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 362         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 363
 364         return rs->sr_err;
 365 }
 366
 367 int
 368 slap_mods2entry(
 369         Modifications *mods,
 370         Entry **e,
 371         int repl_user,
 372         const char **text,
 373         char *textbuf, size_t textlen )
 374 {
 375         Attribute **tail = &(*e)->e_attrs;
 376         assert( *tail == NULL );
 377
 378         *text = textbuf;
 379
 380         for( ; mods != NULL; mods = mods->sml_next ) {
 381                 Attribute *attr;
 382
 383                 assert( mods->sml_op == LDAP_MOD_ADD );
 384                 assert( mods->sml_desc != NULL );
 385
 386                 attr = attr_find( (*e)->e_attrs, mods->sml_desc );
 387
 388                 if( attr != NULL ) {
 389 #define SLURPD_FRIENDLY
 390 #ifdef SLURPD_FRIENDLY
 391                         ber_len_t i,j;
 392
 393                         if( !repl_user ) {
 394                                 snprintf( textbuf, textlen,
 395                                         "attribute '%s' provided more than once",
 396                                         mods->sml_desc->ad_cname.bv_val );
 397                                 return LDAP_TYPE_OR_VALUE_EXISTS;
 398                         }
 399
 400                         for( i=0; attr->a_vals[i].bv_val; i++ ) {
 401                                 /* count them */
 402                         }
 403                         for( j=0; mods->sml_values[j].bv_val; j++ ) {
 404                                 /* count them */
 405                         }
 406                         j++;    /* NULL */
 407
 408                         attr->a_vals = ch_realloc( attr->a_vals,
 409                                 sizeof( struct berval ) * (i+j) );
 410
 411                         /* should check for duplicates */
 412
 413                         AC_MEMCPY( &attr->a_vals[i], mods->sml_values,
 414                                 sizeof( struct berval ) * j );
 415
 416                         /* trim the mods array */
 417                         ch_free( mods->sml_values );
 418                         mods->sml_values = NULL;
 419
 420                         if( mods->sml_nvalues ) {
 421                                 attr->a_nvals = ch_realloc( attr->a_nvals,
 422                                         sizeof( struct berval ) * (i+j) );
 423
 424                                 AC_MEMCPY( &attr->a_nvals[i], mods->sml_nvalues,
 425                                         sizeof( struct berval ) * j );
 426
 427                                 /* trim the mods array */
 428                                 ch_free( mods->sml_nvalues );
 429                                 mods->sml_nvalues = NULL;
 430                         } else {
 431                                 attr->a_nvals = attr->a_vals;
 432                         }
 433
 434                         continue;
 435 #else
 436                         snprintf( textbuf, textlen,
 437                                 "attribute '%s' provided more than once",
 438                                 mods->sml_desc->ad_cname.bv_val );
 439                         return LDAP_TYPE_OR_VALUE_EXISTS;
 440 #endif
 441                 }
 442
 443                 if( mods->sml_values[1].bv_val != NULL ) {
 444                         /* check for duplicates */
 445                         int             i, j;
 446                         MatchingRule *mr = mods->sml_desc->ad_type->sat_equality;
 447
 448                         /* check if the values we're adding already exist */
 449                         if( mr == NULL || !mr->smr_match ) {
 450                                 for ( i = 0; mods->sml_bvalues[i].bv_val != NULL; i++ ) {
 451                                         /* test asserted values against themselves */
 452                                         for( j = 0; j < i; j++ ) {
 453                                                 if ( bvmatch( &mods->sml_bvalues[i],
 454                                                         &mods->sml_bvalues[j] ) ) {
 455                                                         /* value exists already */
 456                                                         snprintf( textbuf, textlen,
 457                                                                 "%s: value #%d provided more than once",
 458                                                                 mods->sml_desc->ad_cname.bv_val, j );
 459                                                         return LDAP_TYPE_OR_VALUE_EXISTS;
 460                                                 }
 461                                         }
 462                                 }
 463
 464                         } else {
 465                                 int             rc = LDAP_SUCCESS;
 466                                 int match;
 467
 468                                 for ( i = 0; mods->sml_nvalues[i].bv_val != NULL; i++ ) {
 469                                         /* test asserted values against themselves */
 470                                         for( j = 0; j < i; j++ ) {
 471                                                 rc = value_match( &match, mods->sml_desc, mr,
 472                                                         SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX
 473                                                         | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
 474                                                         | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
 475                                                         &mods->sml_nvalues[i], &mods->sml_nvalues[j], text );
 476                                                 if ( rc == LDAP_SUCCESS && match == 0 ) {
 477                                                         /* value exists already */
 478                                                         snprintf( textbuf, textlen,
 479                                                                 "%s: value #%d provided more than once",
 480                                                                 mods->sml_desc->ad_cname.bv_val, j );
 481                                                         return LDAP_TYPE_OR_VALUE_EXISTS;
 482                                                 }
 483                                         }
 484                                 }
 485                                 if ( rc != LDAP_SUCCESS ) {
 486                                         return rc;
 487                                 }
 488                         }
 489                 }
 490
 491                 attr = ch_calloc( 1, sizeof(Attribute) );
 492
 493                 /* move ad to attr structure */
 494                 attr->a_desc = mods->sml_desc;
 495                 mods->sml_desc = NULL;
 496
 497                 /* move values to attr structure */
 498                 /*      should check for duplicates */
 499                 attr->a_vals = mods->sml_values;
 500                 mods->sml_values = NULL;
 501
 502                 if ( mods->sml_nvalues ) {
 503                         attr->a_nvals = mods->sml_nvalues;
 504                         mods->sml_nvalues = NULL;
 505                 } else {
 506                         attr->a_nvals = attr->a_vals;
 507                 }
 508
 509                 *tail = attr;
 510                 tail = &attr->a_next;
 511         }
 512
 513         return LDAP_SUCCESS;
 514 }
 515
 516 #ifdef LDAP_SLAPI
 517 static void initAddPlugin( Operation *op,
 518         struct berval *dn, Entry *e, int manageDSAit )
 519 {
 520         slapi_x_pblock_set_operation( op->o_pb, op );
 521         slapi_pblock_set( op->o_pb, SLAPI_ADD_TARGET, (void *)dn->bv_val );
 522         slapi_pblock_set( op->o_pb, SLAPI_ADD_ENTRY, (void *)e );
 523         slapi_pblock_set( op->o_pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 524 }
 525
 526 static int doPreAddPluginFNs( Operation *op )
 527 {
 528         int rc;
 529
 530         rc = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_ADD_FN, op->o_pb );
 531         if ( rc < 0 ) {
 532                 /*
 533                  * A preoperation plugin failure will abort the
 534                  * entire operation.
 535                  */
 536 #ifdef NEW_LOGGING
 537                 LDAP_LOG( OPERATION, INFO, "do_add: add preoperation plugin failed\n",
 538                                 0, 0, 0);
 539 #else
 540                 Debug(LDAP_DEBUG_TRACE, "do_add: add preoperation plugin failed.\n",
 541                                 0, 0, 0);
 542                 if ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE, (void *)&rc ) != 0 )
 543                         rc = LDAP_OTHER;
 544 #endif
 545         } else {
 546                 rc = LDAP_SUCCESS;
 547         }
 548
 549         return rc;
 550 }
 551
 552 static void doPostAddPluginFNs( Operation *op )
 553 {
 554         int rc;
 555
 556         rc = doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_ADD_FN, op->o_pb );
 557         if ( rc < 0 ) {
 558 #ifdef NEW_LOGGING
 559                 LDAP_LOG( OPERATION, INFO, "do_add: add postoperation plugin failed\n",
 560                                 0, 0, 0);
 561 #else
 562                 Debug(LDAP_DEBUG_TRACE, "do_add: add preoperation plugin failed.\n",
 563                                 0, 0, 0);
 564 #endif
 565         }
 566 }
 567 #endif /* LDAP_SLAPI */