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 #include "slapi.h"
  28
  29 int
  30 do_add( Connection *conn, Operation *op )
  31 {
  32         BerElement      *ber = op->o_ber;
  33         char            *last;
  34         struct berval dn = { 0, NULL };
  35         ber_len_t       len;
  36         ber_tag_t       tag;
  37         Entry           *e;
  38         Backend         *be;
  39         Modifications   *modlist = NULL;
  40         Modifications   **modtail = &modlist;
  41         Modifications   tmp;
  42         const char *text;
  43         LDAPRDN         *rdn = NULL;
  44         int             a_cnt;
  45         int                     rc = LDAP_SUCCESS;
  46         int     manageDSAit;
  47
  48         Slapi_PBlock *pb = op->o_pb;
  49
  50 #ifdef NEW_LOGGING
  51         LDAP_LOG( OPERATION, ENTRY, "do_add: conn %d enter\n", conn->c_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", conn->c_connid,0,0 );
  72 #else
  73                 Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
  74 #endif
  75                 send_ldap_disconnect( conn, op,
  76                         LDAP_PROTOCOL_ERROR, "decoding error" );
  77                 return -1;
  78         }
  79
  80         e = (Entry *) ch_calloc( 1, sizeof(Entry) );
  81
  82         rc = dnPrettyNormal( NULL, &dn, &e->e_name, &e->e_nname );
  83
  84         if( rc != LDAP_SUCCESS ) {
  85 #ifdef NEW_LOGGING
  86                 LDAP_LOG( OPERATION, ERR,
  87                         "do_add: conn %d invalid dn (%s)\n", conn->c_connid, dn.bv_val, 0 );
  88 #else
  89                 Debug( LDAP_DEBUG_ANY, "do_add: invalid dn (%s)\n", dn.bv_val, 0, 0 );
  90 #endif
  91                 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
  92                             "invalid DN", NULL, NULL );
  93                 goto done;
  94         }
  95
  96 #ifdef NEW_LOGGING
  97         LDAP_LOG( OPERATION, ARGS,
  98                 "do_add: conn %d  dn (%s)\n", conn->c_connid, e->e_dn, 0 );
  99 #else
 100         Debug( LDAP_DEBUG_ARGS, "do_add: dn (%s)\n", e->e_dn, 0, 0 );
 101 #endif
 102
 103         /* get the attrs */
 104         for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
 105             tag = ber_next_element( ber, &len, last ) )
 106         {
 107                 Modifications *mod;
 108                 ber_tag_t rtag;
 109
 110                 rtag = ber_scanf( ber, "{m{W}}", &tmp.sml_type, &tmp.sml_bvalues );
 111
 112                 if ( rtag == LBER_ERROR ) {
 113 #ifdef NEW_LOGGING
 114                         LDAP_LOG( OPERATION, ERR,
 115                                    "do_add: conn %d      decoding error \n", conn->c_connid, 0, 0 );
 116 #else
 117                         Debug( LDAP_DEBUG_ANY, "do_add: decoding error\n", 0, 0, 0 );
 118 #endif
 119                         send_ldap_disconnect( conn, op,
 120                                 LDAP_PROTOCOL_ERROR, "decoding error" );
 121                         rc = -1;
 122                         goto done;
 123                 }
 124
 125                 if ( tmp.sml_bvalues == NULL ) {
 126 #ifdef NEW_LOGGING
 127                         LDAP_LOG( OPERATION, INFO,
 128                                 "do_add: conn %d         no values for type %s\n",
 129                                 conn->c_connid, tmp.sml_type.bv_val, 0 );
 130 #else
 131                         Debug( LDAP_DEBUG_ANY, "no values for type %s\n",
 132                                 tmp.sml_type.bv_val, 0, 0 );
 133 #endif
 134                         send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
 135                                 NULL, "no values for attribute type", NULL, NULL );
 136                         goto done;
 137                 }
 138                 mod  = (Modifications *) ch_malloc( sizeof(Modifications) );
 139
 140                 mod->sml_op = LDAP_MOD_ADD;
 141                 mod->sml_next = NULL;
 142                 mod->sml_desc = NULL;
 143                 mod->sml_type = tmp.sml_type;
 144                 mod->sml_bvalues = tmp.sml_bvalues;
 145
 146                 *modtail = mod;
 147                 modtail = &mod->sml_next;
 148         }
 149
 150         if ( ber_scanf( ber, /*{*/ "}") == LBER_ERROR ) {
 151 #ifdef NEW_LOGGING
 152                 LDAP_LOG( OPERATION, ERR,
 153                         "do_add: conn %d ber_scanf failed\n", conn->c_connid, 0, 0 );
 154 #else
 155                 Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
 156 #endif
 157                 send_ldap_disconnect( conn, op,
 158                         LDAP_PROTOCOL_ERROR, "decoding error" );
 159                 rc = -1;
 160                 goto done;
 161         }
 162
 163         if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
 164 #ifdef NEW_LOGGING
 165                 LDAP_LOG( OPERATION, INFO,
 166                         "do_add: conn %d get_ctrls failed\n", conn->c_connid, 0, 0 );
 167 #else
 168                 Debug( LDAP_DEBUG_ANY, "do_add: get_ctrls failed\n", 0, 0, 0 );
 169 #endif
 170                 goto done;
 171         }
 172
 173         if ( modlist == NULL ) {
 174                 send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
 175                         NULL, "no attributes provided", NULL, NULL );
 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_dn, 0, 0 );
 181
 182         if( e->e_nname.bv_len == 0 ) {
 183                 /* protocolError may be a more appropriate error */
 184                 send_ldap_result( conn, op, rc = LDAP_ALREADY_EXISTS,
 185                         NULL, "root DSE already exists",
 186                         NULL, NULL );
 187                 goto done;
 188
 189         } else if ( bvmatch( &e->e_nname, &global_schemandn ) ) {
 190                 send_ldap_result( conn, op, rc = LDAP_ALREADY_EXISTS,
 191                         NULL, "subschema subentry already exists",
 192                         NULL, NULL );
 193                 goto done;
 194         }
 195
 196         /*
 197          * Get attribute type(s) and attribute value(s) of our rdn,
 198          */
 199         if ( ldap_bv2rdn( &e->e_name, &rdn, (char **)&text,
 200                 LDAP_DN_FORMAT_LDAP ) )
 201         {
 202                 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX,
 203                         NULL, "unknown type(s) used in RDN",
 204                         NULL, NULL );
 205                 goto done;
 206         }
 207
 208         /* Check for RDN attrs in entry */
 209         for ( a_cnt = 0; rdn[ 0 ][ a_cnt ]; a_cnt++ ) {
 210                 AttributeDescription    *desc = NULL;
 211                 Modifications           *mod;
 212                 MatchingRule            *mr;
 213                 int                     i;
 214
 215                 rc = slap_bv2ad( &rdn[ 0 ][ a_cnt ]->la_attr,
 216                                 &desc, &text );
 217
 218                 if ( rc != LDAP_SUCCESS ) {
 219                         send_ldap_result( conn, op, rc,
 220                                         NULL, text, NULL, NULL );
 221                         goto done;
 222                 }
 223
 224                 for (mod = modlist; mod; mod = mod->sml_next) {
 225                         AttributeDescription    *mod_desc = NULL;
 226
 227                         rc = slap_bv2ad( &mod->sml_type,
 228                                         &mod_desc, &text );
 229                         if ( rc != LDAP_SUCCESS ) {
 230                                 send_ldap_result( conn, op, rc,
 231                                                 NULL, text, NULL, NULL );
 232                                 goto done;
 233                         }
 234
 235                         if (mod_desc == desc) {
 236                                 break;
 237                         }
 238                 }
 239
 240                 if (mod == NULL) {
 241 #define BAILOUT
 242 #ifdef BAILOUT
 243                         /* bail out */
 244                         send_ldap_result( conn, op,
 245                                         rc = LDAP_NO_SUCH_ATTRIBUTE,
 246                                         NULL,
 247                                         "attribute in RDN not listed in entry",
 248                                         NULL, NULL );
 249                         goto done;
 250
 251 #else /* ! BAILOUT */
 252                         struct berval   bv;
 253
 254                         /* add attribute type and value to modlist */
 255                         mod  = (Modifications *) ch_malloc( sizeof(Modifications) );
 256
 257                         mod->sml_op = LDAP_MOD_ADD;
 258                         mod->sml_next = NULL;
 259                         mod->sml_desc = NULL;
 260
 261                         ber_dupbv( &mod->sml_type,
 262                                         &rdn[ 0 ][ a_cnt ]->la_attr );
 263
 264                         mod->sml_bvalues = NULL;
 265                         ber_dupbv( &bv, &rdn[ 0 ][ a_cnt ]->la_value );
 266                         ber_bvarray_add( &mod->sml_bvalues, &bv );
 267
 268                         *modtail = mod;
 269                         modtail = &mod->sml_next;
 270                         continue;
 271 #endif /* ! BAILOUT */
 272                 }
 273
 274                 mr = desc->ad_type->sat_equality;
 275                 if (mr == NULL || !mr->smr_match ) {
 276                         /* brrrr ... */
 277                         continue;
 278                 }
 279
 280                 for (i = 0; mod->sml_bvalues[ i ].bv_val; i++) {
 281                         int             match = 0;
 282
 283                         rc = value_match(&match, desc, mr,
 284                                         SLAP_MR_VALUE_SYNTAX_MATCH,
 285                                         &mod->sml_bvalues[ i ],
 286                                         &rdn[ 0 ][ a_cnt ]->la_value, &text);
 287
 288                         if ( rc != LDAP_SUCCESS ) {
 289                                 send_ldap_result( conn, op, rc,
 290                                                 NULL, text, NULL, NULL);
 291                                 goto done;
 292                         }
 293
 294                         if (match == 0) {
 295                                 break;
 296                         }
 297                 }
 298
 299                 /* not found? */
 300                 if (mod->sml_bvalues[ i ].bv_val == NULL) {
 301 #ifdef BAILOUT
 302                         /* bailout */
 303                         send_ldap_result( conn, op,
 304                                         rc = LDAP_NO_SUCH_ATTRIBUTE,
 305                                         NULL,
 306                                         "value in RDN not listed in entry",
 307                                         NULL, NULL );
 308                         goto done;
 309
 310 #else /* ! BAILOUT */
 311                         struct berval   bv;
 312
 313                         /* add attribute type and value to modlist */
 314                         ber_dupbv( &bv, &rdn[ 0 ][ a_cnt ]->la_value );
 315                         ber_bvarray_add( &mod->sml_bvalues, &bv );
 316                         continue;
 317 #endif /* ! BAILOUT */
 318                 }
 319         }
 320
 321         manageDSAit = get_manageDSAit( op );
 322
 323         /*
 324          * We could be serving multiple database backends.  Select the
 325          * appropriate one, or send a referral to our "referral server"
 326          * if we don't hold it.
 327          */
 328         be = select_backend( &e->e_nname, manageDSAit, 0 );
 329         if ( be == NULL ) {
 330                 BerVarray ref = referral_rewrite( default_referral,
 331                         NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
 332
 333                 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
 334                         NULL, NULL, ref ? ref : default_referral, NULL );
 335
 336                 if ( ref ) ber_bvarray_free( ref );
 337                 goto done;
 338         }
 339
 340         /* check restrictions */
 341         rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
 342         if( rc != LDAP_SUCCESS ) {
 343                 send_ldap_result( conn, op, rc,
 344                         NULL, text, NULL, NULL );
 345                 goto done;
 346         }
 347
 348         /* check for referrals */
 349         rc = backend_check_referrals( be, conn, op, &e->e_name, &e->e_nname );
 350         if ( rc != LDAP_SUCCESS ) {
 351                 goto done;
 352         }
 353
 354 #if defined( LDAP_SLAPI )
 355         slapi_x_backend_set_pb( pb, be );
 356         slapi_x_connection_set_pb( pb, conn );
 357         slapi_x_operation_set_pb( pb, op );
 358         slapi_pblock_set( pb, SLAPI_ADD_ENTRY, (void *)e );
 359         slapi_pblock_set( pb, SLAPI_ADD_TARGET, (void *)dn.bv_val );
 360         slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 361
 362         rc = doPluginFNs( be, SLAPI_PLUGIN_PRE_ADD_FN, pb );
 363         if ( rc != 0 ) {
 364                 /*
 365                  * A preoperation plugin failure will abort the
 366                  * entire operation.
 367                  */
 368 #ifdef NEW_LOGGING
 369                 LDAP_LOG( OPERATION, INFO, "do_add: add preoperation plugin failed\n",
 370                                 0, 0, 0);
 371 #else
 372                 Debug(LDAP_DEBUG_TRACE, "do_add: add preoperation plugin failed.\n",
 373                                 0, 0, 0);
 374                 if ( slapi_pblock_get( pb, SLAPI_RESULT_CODE, (void *)&rc ) != 0 )
 375                         rc = LDAP_OTHER;
 376                 goto done;
 377 #endif
 378         }
 379 #endif /* defined( LDAP_SLAPI ) */
 380
 381         /*
 382          * do the add if 1 && (2 || 3)
 383          * 1) there is an add function implemented in this backend;
 384          * 2) this backend is master for what it holds;
 385          * 3) it's a replica and the dn supplied is the updatedn.
 386          */
 387         if ( be->be_add ) {
 388                 /* do the update here */
 389                 int repl_user = be_isupdate(be, &op->o_ndn );
 390 #ifndef SLAPD_MULTIMASTER
 391                 if ( !be->be_update_ndn.bv_len || repl_user )
 392 #endif
 393                 {
 394                         int update = be->be_update_ndn.bv_len;
 395                         char textbuf[SLAP_TEXT_BUFLEN];
 396                         size_t textlen = sizeof textbuf;
 397
 398                         rc = slap_mods_check( modlist, update, &text,
 399                                 textbuf, textlen );
 400
 401                         if( rc != LDAP_SUCCESS ) {
 402                                 send_ldap_result( conn, op, rc,
 403                                         NULL, text, NULL, NULL );
 404                                 goto done;
 405                         }
 406
 407                         if ( !repl_user ) {
 408                                 for( modtail = &modlist;
 409                                         *modtail != NULL;
 410                                         modtail = &(*modtail)->sml_next )
 411                                 {
 412                                         assert( (*modtail)->sml_op == LDAP_MOD_ADD );
 413                                         assert( (*modtail)->sml_desc != NULL );
 414                                 }
 415                                 rc = slap_mods_opattrs( be, op, modlist, modtail, &text,
 416                                         textbuf, textlen );
 417                                 if( rc != LDAP_SUCCESS ) {
 418                                         send_ldap_result( conn, op, rc,
 419                                                 NULL, text, NULL, NULL );
 420                                         goto done;
 421                                 }
 422                         }
 423
 424                         rc = slap_mods2entry( modlist, &e, repl_user, &text,
 425                                 textbuf, textlen );
 426                         if( rc != LDAP_SUCCESS ) {
 427                                 send_ldap_result( conn, op, rc,
 428                                         NULL, text, NULL, NULL );
 429                                 goto done;
 430                         }
 431
 432                         if ( (*be->be_add)( be, conn, op, e ) == 0 ) {
 433 #ifdef SLAPD_MULTIMASTER
 434                                 if ( !repl_user )
 435 #endif
 436                                 {
 437                                         replog( be, op, &e->e_name, &e->e_nname, e );
 438                                 }
 439                                 be_entry_release_w( be, conn, op, e );
 440                                 e = NULL;
 441                         }
 442
 443 #ifndef SLAPD_MULTIMASTER
 444                 } else {
 445                         BerVarray defref = be->be_update_refs
 446                                 ? be->be_update_refs : default_referral;
 447                         BerVarray ref = referral_rewrite( defref,
 448                                 NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
 449
 450                         send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
 451                                 ref ? ref : defref, NULL );
 452
 453                         if ( ref ) ber_bvarray_free( ref );
 454 #endif
 455                 }
 456         } else {
 457 #ifdef NEW_LOGGING
 458             LDAP_LOG( OPERATION, INFO,
 459                        "do_add: conn %d  no backend support\n", conn->c_connid, 0, 0 );
 460 #else
 461             Debug( LDAP_DEBUG_ARGS, "    do_add: no backend support\n", 0, 0, 0 );
 462 #endif
 463             send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
 464                               NULL, "operation not supported within namingContext", NULL, NULL );
 465         }
 466
 467 #if defined( LDAP_SLAPI )
 468         /*
 469          * Postoperation errors are silently ignored; the work has
 470          * been done.
 471          */
 472         if ( doPluginFNs( be, SLAPI_PLUGIN_POST_ADD_FN, pb ) != 0) {
 473 #ifdef NEW_LOGGING
 474                 LDAP_LOG( OPERATION, INFO, "do_add: Add postoperation plugins failed\n",
 475                                 0, 0, 0);
 476 #else
 477                 Debug(LDAP_DEBUG_TRACE, "do_add: Add postoperation plugins failed.\n",
 478                                 0, 0, 0);
 479 #endif
 480         }
 481 #endif /* defined( LDAP_SLAPI ) */
 482
 483 done:
 484         if( modlist != NULL ) {
 485                 slap_mods_free( modlist );
 486         }
 487         if( e != NULL ) {
 488                 entry_free( e );
 489         }
 490
 491         return rc;
 492 }
 493
 494 int
 495 slap_mods2entry(
 496         Modifications *mods,
 497         Entry **e,
 498         int repl_user,
 499         const char **text,
 500         char *textbuf, size_t textlen )
 501 {
 502         Attribute **tail = &(*e)->e_attrs;
 503         assert( *tail == NULL );
 504
 505         *text = textbuf;
 506
 507         for( ; mods != NULL; mods = mods->sml_next ) {
 508                 Attribute *attr;
 509
 510                 assert( mods->sml_op == LDAP_MOD_ADD );
 511                 assert( mods->sml_desc != NULL );
 512
 513                 attr = attr_find( (*e)->e_attrs, mods->sml_desc );
 514
 515                 if( attr != NULL ) {
 516 #define SLURPD_FRIENDLY
 517 #ifdef SLURPD_FRIENDLY
 518                         ber_len_t i,j;
 519
 520                         if( !repl_user ) {
 521                                 snprintf( textbuf, textlen,
 522                                         "attribute '%s' provided more than once",
 523                                         mods->sml_desc->ad_cname.bv_val );
 524                                 return LDAP_TYPE_OR_VALUE_EXISTS;
 525                         }
 526
 527                         for( i=0; attr->a_vals[i].bv_val; i++ ) {
 528                                 /* count them */
 529                         }
 530                         for( j=0; mods->sml_bvalues[j].bv_val; j++ ) {
 531                                 /* count them */
 532                         }
 533                         j++;    /* NULL */
 534
 535                         attr->a_vals = ch_realloc( attr->a_vals,
 536                                 sizeof( struct berval ) * (i+j) );
 537
 538                         /* should check for duplicates */
 539
 540                         AC_MEMCPY( &attr->a_vals[i], mods->sml_bvalues,
 541                                 sizeof( struct berval ) * j );
 542
 543                         /* trim the mods array */
 544                         ch_free( mods->sml_bvalues );
 545                         mods->sml_bvalues = NULL;
 546
 547                         continue;
 548 #else
 549                         snprintf( textbuf, textlen,
 550                                 "attribute '%s' provided more than once",
 551                                 mods->sml_desc->ad_cname.bv_val );
 552                         return LDAP_TYPE_OR_VALUE_EXISTS;
 553 #endif
 554                 }
 555
 556                 if( mods->sml_bvalues[1].bv_val != NULL ) {
 557                         /* check for duplicates */
 558                         int             i, j;
 559                         MatchingRule *mr = mods->sml_desc->ad_type->sat_equality;
 560
 561                         /* check if the values we're adding already exist */
 562                         if( mr == NULL || !mr->smr_match ) {
 563                                 for ( i = 0; mods->sml_bvalues[i].bv_val != NULL; i++ ) {
 564                                         /* test asserted values against themselves */
 565                                         for( j = 0; j < i; j++ ) {
 566                                                 if ( bvmatch( &mods->sml_bvalues[i],
 567                                                         &mods->sml_bvalues[j] ) ) {
 568                                                         /* value exists already */
 569                                                         snprintf( textbuf, textlen,
 570                                                                 "%s: value #%d provided more than once",
 571                                                                 mods->sml_desc->ad_cname.bv_val, j );
 572                                                         return LDAP_TYPE_OR_VALUE_EXISTS;
 573                                                 }
 574                                         }
 575                                 }
 576
 577                         } else {
 578                                 int             rc;
 579                                 const char      *text = NULL;
 580                                 char            textbuf[ SLAP_TEXT_BUFLEN ]  = { '\0' };
 581
 582                                 rc = modify_check_duplicates( mods->sml_desc, mr,
 583                                                 NULL, mods->sml_bvalues, 0,
 584                                                 &text, textbuf, sizeof( textbuf ) );
 585
 586                                 if ( rc != LDAP_SUCCESS ) {
 587                                         return rc;
 588                                 }
 589                         }
 590                 }
 591
 592                 attr = ch_calloc( 1, sizeof(Attribute) );
 593
 594                 /* move ad to attr structure */
 595                 attr->a_desc = mods->sml_desc;
 596                 mods->sml_desc = NULL;
 597
 598                 /* move values to attr structure */
 599                 /*      should check for duplicates */
 600                 attr->a_vals = mods->sml_bvalues;
 601                 mods->sml_bvalues = NULL;
 602
 603                 *tail = attr;
 604                 tail = &attr->a_next;
 605         }
 606
 607         return LDAP_SUCCESS;
 608 }