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