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,
 137                                 "no values for attribute type" );
 138                         goto done;
 139                 }
 140
 141                 mod  = (Modifications *) ch_malloc( sizeof(Modifications) );
 142                 mod->sml_op = LDAP_MOD_ADD;
 143                 mod->sml_next = NULL;
 144                 mod->sml_desc = NULL;
 145                 mod->sml_type = tmp.sml_type;
 146                 mod->sml_values = tmp.sml_values;
 147                 mod->sml_nvalues = NULL;
 148
 149                 *modtail = mod;
 150                 modtail = &mod->sml_next;
 151         }
 152
 153         if ( ber_scanf( ber, /*{*/ "}") == LBER_ERROR ) {
 154 #ifdef NEW_LOGGING
 155                 LDAP_LOG( OPERATION, ERR,
 156                         "do_add: conn %d ber_scanf failed\n", op->o_connid, 0, 0 );
 157 #else
 158                 Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
 159 #endif
 160                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
 161                 rs->sr_err = -1;
 162                 goto done;
 163         }
 164
 165         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 166 #ifdef NEW_LOGGING
 167                 LDAP_LOG( OPERATION, INFO,
 168                         "do_add: conn %d get_ctrls failed\n", op->o_connid, 0, 0 );
 169 #else
 170                 Debug( LDAP_DEBUG_ANY, "do_add: get_ctrls failed\n", 0, 0, 0 );
 171 #endif
 172                 goto done;
 173         }
 174
 175         if ( modlist == NULL ) {
 176                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 177                         "no attributes provided" );
 178                 goto done;
 179         }
 180
 181         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu ADD dn=\"%s\"\n",
 182             op->o_connid, op->o_opid, e->e_name.bv_val, 0, 0 );
 183
 184         if( e->e_nname.bv_len == 0 ) {
 185                 /* protocolError may be a more appropriate error */
 186                 send_ldap_error( op, rs, LDAP_ALREADY_EXISTS,
 187                         "root DSE already exists" );
 188                 goto done;
 189
 190         } else if ( bvmatch( &e->e_nname, &global_schemandn ) ) {
 191                 send_ldap_error( op, rs, LDAP_ALREADY_EXISTS,
 192                         "subschema subentry already exists" );
 193                 goto done;
 194         }
 195
 196         manageDSAit = get_manageDSAit( op );
 197
 198         /*
 199          * We could be serving multiple database backends.  Select the
 200          * appropriate one, or send a referral to our "referral server"
 201          * if we don't hold it.
 202          */
 203         op->o_bd = select_backend( &e->e_nname, manageDSAit, 0 );
 204         if ( op->o_bd == NULL ) {
 205                 rs->sr_ref = referral_rewrite( default_referral,
 206                         NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
 207                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 208                 if ( rs->sr_ref != NULL ) {
 209                         rs->sr_err = LDAP_REFERRAL;
 210                         send_ldap_result( op, rs );
 211
 212                         if ( rs->sr_ref != default_referral ) {
 213                                 ber_bvarray_free( rs->sr_ref );
 214                         }
 215                 } else {
 216                         send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 217                                         "referral missing" );
 218                 }
 219                 goto done;
 220         }
 221
 222         /* check restrictions */
 223         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 224                 send_ldap_result( op, rs );
 225                 goto done;
 226         }
 227
 228         /* check for referrals */
 229         if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 230                 goto done;
 231         }
 232
 233 #ifdef LDAP_SLAPI
 234         initAddPlugin( op, &dn, e, manageDSAit );
 235 #endif /* LDAP_SLAPI */
 236
 237         /*
 238          * do the add if 1 && (2 || 3)
 239          * 1) there is an add function implemented in this backend;
 240          * 2) this backend is master for what it holds;
 241          * 3) it's a replica and the dn supplied is the updatedn.
 242          */
 243         if ( op->o_bd->be_add ) {
 244                 /* do the update here */
 245                 int repl_user = be_isupdate(op->o_bd, &op->o_ndn );
 246 #ifndef SLAPD_MULTIMASTER
 247                 if ( !op->o_bd->be_update_ndn.bv_len || repl_user )
 248 #endif
 249                 {
 250                         int update = op->o_bd->be_update_ndn.bv_len;
 251                         char textbuf[SLAP_TEXT_BUFLEN];
 252                         size_t textlen = sizeof textbuf;
 253
 254                         rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
 255                                 textbuf, textlen, NULL );
 256
 257                         if( rs->sr_err != LDAP_SUCCESS ) {
 258                                 send_ldap_result( op, rs );
 259                                 goto done;
 260                         }
 261
 262                         if ( !repl_user ) {
 263                                 for( modtail = &modlist;
 264                                         *modtail != NULL;
 265                                         modtail = &(*modtail)->sml_next )
 266                                 {
 267                                         assert( (*modtail)->sml_op == LDAP_MOD_ADD );
 268                                         assert( (*modtail)->sml_desc != NULL );
 269                                 }
 270                                 rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
 271                                         &rs->sr_text, textbuf, textlen );
 272                                 if( rs->sr_err != LDAP_SUCCESS ) {
 273                                         send_ldap_result( op, rs );
 274                                         goto done;
 275                                 }
 276                         }
 277
 278                         rs->sr_err = slap_mods2entry( modlist, &e, repl_user, &rs->sr_text,
 279                                 textbuf, textlen );
 280                         if( rs->sr_err != LDAP_SUCCESS ) {
 281                                 send_ldap_result( op, rs );
 282                                 goto done;
 283                         }
 284
 285 #ifdef LDAP_SLAPI
 286                         /*
 287                          * Call the preoperation plugin here, because the entry
 288                          * will actually contain something.
 289                          */
 290                         rs->sr_err = doPreAddPluginFNs( op );
 291                         if ( rs->sr_err != LDAP_SUCCESS ) {
 292                                 /* plugin will have sent result */
 293                                 goto done;
 294                         }
 295 #endif /* LDAP_SLAPI */
 296
 297                         op->ora_e = e;
 298                         if ( (op->o_bd->be_add)( op, rs ) == 0 ) {
 299 #ifdef SLAPD_MULTIMASTER
 300                                 if ( !repl_user )
 301 #endif
 302                                 {
 303                                         replog( op );
 304                                 }
 305                                 be_entry_release_w( op, e );
 306                                 e = NULL;
 307                         }
 308
 309 #ifndef SLAPD_MULTIMASTER
 310                 } else {
 311                         BerVarray defref;
 312 #ifdef LDAP_SLAPI
 313                         /*
 314                          * SLAPI_ADD_ENTRY will be empty, but this may be acceptable
 315                          * on replicas (for now, it involves the minimum code intrusion).
 316                          */
 317                         rs->sr_err = doPreAddPluginFNs( op );
 318                         if ( rs->sr_err != LDAP_SUCCESS ) {
 319                                 /* plugin will have sent result */
 320                                 goto done;
 321                         }
 322 #endif /* LDAP_SLAPI */
 323
 324                         defref = op->o_bd->be_update_refs
 325                                 ? op->o_bd->be_update_refs : default_referral;
 326                         if ( defref != NULL ) {
 327                                 rs->sr_ref = referral_rewrite( defref,
 328                                         NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
 329                                 if ( rs->sr_ref == NULL ) rs->sr_ref = defref;
 330                                 rs->sr_err = LDAP_REFERRAL;
 331                                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 332                                 send_ldap_result( op, rs );
 333
 334                                 if ( rs->sr_ref != default_referral ) ber_bvarray_free( rs->sr_ref );
 335                         } else {
 336                                 send_ldap_error( op, rs,
 337                                                 LDAP_UNWILLING_TO_PERFORM,
 338                                                 "referral missing" );
 339                         }
 340 #endif /* SLAPD_MULTIMASTER */
 341                 }
 342         } else {
 343 #ifdef LDAP_SLAPI
 344             rs->sr_err = doPreAddPluginFNs( op );
 345             if ( rs->sr_err != LDAP_SUCCESS ) {
 346                         /* plugin will have sent result */
 347                         goto done;
 348                 }
 349 #endif
 350 #ifdef NEW_LOGGING
 351             LDAP_LOG( OPERATION, INFO,
 352                        "do_add: conn %d  no backend support\n", op->o_connid, 0, 0 );
 353 #else
 354             Debug( LDAP_DEBUG_ARGS, "    do_add: no backend support\n", 0, 0, 0 );
 355 #endif
 356             send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 357                         "operation not supported within namingContext" );
 358         }
 359
 360 #ifdef LDAP_SLAPI
 361         doPostAddPluginFNs( op );
 362 #endif /* LDAP_SLAPI */
 363
 364 done:
 365         if( modlist != NULL ) {
 366                 slap_mods_free( modlist );
 367         }
 368         if( e != NULL ) {
 369                 entry_free( e );
 370         }
 371         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 372         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 373
 374         return rs->sr_err;
 375 }
 376
 377 int
 378 slap_mods2entry(
 379         Modifications *mods,
 380         Entry **e,
 381         int repl_user,
 382         const char **text,
 383         char *textbuf, size_t textlen )
 384 {
 385         Attribute **tail = &(*e)->e_attrs;
 386         assert( *tail == NULL );
 387
 388         *text = textbuf;
 389
 390         for( ; mods != NULL; mods = mods->sml_next ) {
 391                 Attribute *attr;
 392
 393                 assert( mods->sml_op == LDAP_MOD_ADD );
 394                 assert( mods->sml_desc != NULL );
 395
 396                 attr = attr_find( (*e)->e_attrs, mods->sml_desc );
 397
 398                 if( attr != NULL ) {
 399 #define SLURPD_FRIENDLY
 400 #ifdef SLURPD_FRIENDLY
 401                         ber_len_t i,j;
 402
 403                         if( !repl_user ) {
 404                                 snprintf( textbuf, textlen,
 405                                         "attribute '%s' provided more than once",
 406                                         mods->sml_desc->ad_cname.bv_val );
 407                                 return LDAP_TYPE_OR_VALUE_EXISTS;
 408                         }
 409
 410                         for( i=0; attr->a_vals[i].bv_val; i++ ) {
 411                                 /* count them */
 412                         }
 413                         for( j=0; mods->sml_values[j].bv_val; j++ ) {
 414                                 /* count them */
 415                         }
 416                         j++;    /* NULL */
 417
 418                         attr->a_vals = ch_realloc( attr->a_vals,
 419                                 sizeof( struct berval ) * (i+j) );
 420
 421                         /* should check for duplicates */
 422
 423                         AC_MEMCPY( &attr->a_vals[i], mods->sml_values,
 424                                 sizeof( struct berval ) * j );
 425
 426                         /* trim the mods array */
 427                         ch_free( mods->sml_values );
 428                         mods->sml_values = NULL;
 429
 430                         if( mods->sml_nvalues ) {
 431                                 attr->a_nvals = ch_realloc( attr->a_nvals,
 432                                         sizeof( struct berval ) * (i+j) );
 433
 434                                 AC_MEMCPY( &attr->a_nvals[i], mods->sml_nvalues,
 435                                         sizeof( struct berval ) * j );
 436
 437                                 /* trim the mods array */
 438                                 ch_free( mods->sml_nvalues );
 439                                 mods->sml_nvalues = NULL;
 440                         } else {
 441                                 attr->a_nvals = attr->a_vals;
 442                         }
 443
 444                         continue;
 445 #else
 446                         snprintf( textbuf, textlen,
 447                                 "attribute '%s' provided more than once",
 448                                 mods->sml_desc->ad_cname.bv_val );
 449                         return LDAP_TYPE_OR_VALUE_EXISTS;
 450 #endif
 451                 }
 452
 453                 if( mods->sml_values[1].bv_val != NULL ) {
 454                         /* check for duplicates */
 455                         int             i, j;
 456                         MatchingRule *mr = mods->sml_desc->ad_type->sat_equality;
 457
 458                         /* check if the values we're adding already exist */
 459                         if( mr == NULL || !mr->smr_match ) {
 460                                 for ( i = 0; mods->sml_bvalues[i].bv_val != NULL; i++ ) {
 461                                         /* test asserted values against themselves */
 462                                         for( j = 0; j < i; j++ ) {
 463                                                 if ( bvmatch( &mods->sml_bvalues[i],
 464                                                         &mods->sml_bvalues[j] ) ) {
 465                                                         /* value exists already */
 466                                                         snprintf( textbuf, textlen,
 467                                                                 "%s: value #%d provided more than once",
 468                                                                 mods->sml_desc->ad_cname.bv_val, j );
 469                                                         return LDAP_TYPE_OR_VALUE_EXISTS;
 470                                                 }
 471                                         }
 472                                 }
 473
 474                         } else {
 475                                 int             rc = LDAP_SUCCESS;
 476                                 int match;
 477
 478                                 for ( i = 0; mods->sml_nvalues[i].bv_val != NULL; i++ ) {
 479                                         /* test asserted values against themselves */
 480                                         for( j = 0; j < i; j++ ) {
 481                                                 rc = value_match( &match, mods->sml_desc, mr,
 482                                                         SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX
 483                                                         | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
 484                                                         | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
 485                                                         &mods->sml_nvalues[i], &mods->sml_nvalues[j], text );
 486                                                 if ( rc == LDAP_SUCCESS && match == 0 ) {
 487                                                         /* value exists already */
 488                                                         snprintf( textbuf, textlen,
 489                                                                 "%s: value #%d provided more than once",
 490                                                                 mods->sml_desc->ad_cname.bv_val, j );
 491                                                         return LDAP_TYPE_OR_VALUE_EXISTS;
 492                                                 }
 493                                         }
 494                                 }
 495                                 if ( rc != LDAP_SUCCESS ) {
 496                                         return rc;
 497                                 }
 498                         }
 499                 }
 500
 501                 attr = ch_calloc( 1, sizeof(Attribute) );
 502
 503                 /* move ad to attr structure */
 504                 attr->a_desc = mods->sml_desc;
 505                 mods->sml_desc = NULL;
 506
 507                 /* move values to attr structure */
 508                 /*      should check for duplicates */
 509                 attr->a_vals = mods->sml_values;
 510                 mods->sml_values = NULL;
 511
 512                 if ( mods->sml_nvalues ) {
 513                         attr->a_nvals = mods->sml_nvalues;
 514                         mods->sml_nvalues = NULL;
 515                 } else {
 516                         attr->a_nvals = attr->a_vals;
 517                 }
 518
 519                 *tail = attr;
 520                 tail = &attr->a_next;
 521         }
 522
 523         return LDAP_SUCCESS;
 524 }
 525
 526 #ifdef LDAP_SLAPI
 527 static void initAddPlugin( Operation *op,
 528         struct berval *dn, Entry *e, int manageDSAit )
 529 {
 530         slapi_x_pblock_set_operation( op->o_pb, op );
 531         slapi_pblock_set( op->o_pb, SLAPI_ADD_TARGET, (void *)dn->bv_val );
 532         slapi_pblock_set( op->o_pb, SLAPI_ADD_ENTRY, (void *)e );
 533         slapi_pblock_set( op->o_pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 534 }
 535
 536 static int doPreAddPluginFNs( Operation *op )
 537 {
 538         int rc;
 539
 540         rc = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_ADD_FN, op->o_pb );
 541         if ( rc < 0 ) {
 542                 /*
 543                  * A preoperation plugin failure will abort the
 544                  * entire operation.
 545                  */
 546 #ifdef NEW_LOGGING
 547                 LDAP_LOG( OPERATION, INFO, "do_add: add preoperation plugin failed\n",
 548                                 0, 0, 0);
 549 #else
 550                 Debug(LDAP_DEBUG_TRACE, "do_add: add preoperation plugin failed.\n",
 551                                 0, 0, 0);
 552                 if ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE, (void *)&rc ) != 0 )
 553                         rc = LDAP_OTHER;
 554 #endif
 555         } else {
 556                 rc = LDAP_SUCCESS;
 557         }
 558
 559         return rc;
 560 }
 561
 562 static void doPostAddPluginFNs( Operation *op )
 563 {
 564         int rc;
 565
 566         rc = doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_ADD_FN, op->o_pb );
 567         if ( rc < 0 ) {
 568 #ifdef NEW_LOGGING
 569                 LDAP_LOG( OPERATION, INFO, "do_add: add postoperation plugin failed\n",
 570                                 0, 0, 0);
 571 #else
 572                 Debug(LDAP_DEBUG_TRACE, "do_add: add postoperation plugin failed.\n",
 573                                 0, 0, 0);
 574 #endif
 575         }
 576 }
 577 #endif /* LDAP_SLAPI */