git.sur5r.net Git - openldap/blob - servers/slapd/back-mdb/add.c

   1 /* add.c - ldap mdb back-end add routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2000-2011 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20 #include <ac/string.h>
  21
  22 #include "back-mdb.h"
  23
  24 int
  25 mdb_add(Operation *op, SlapReply *rs )
  26 {
  27         struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
  28         struct berval   pdn;
  29         Entry           *p = NULL, *oe = op->ora_e;
  30         char textbuf[SLAP_TEXT_BUFLEN];
  31         size_t textlen = sizeof textbuf;
  32         AttributeDescription *children = slap_schema.si_ad_children;
  33         AttributeDescription *entry = slap_schema.si_ad_entry;
  34         MDB_txn         *txn = NULL;
  35         ID eid = NOID, pid = 0;
  36         mdb_op_info opinfo = {{{ 0 }}}, *moi = &opinfo;
  37         int subentry;
  38
  39         int             success;
  40
  41         LDAPControl **postread_ctrl = NULL;
  42         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
  43         int num_ctrls = 0;
  44
  45 #ifdef LDAP_X_TXN
  46         int settle = 0;
  47 #endif
  48
  49         Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(mdb_add) ": %s\n",
  50                 op->ora_e->e_name.bv_val, 0, 0);
  51
  52 #ifdef LDAP_X_TXN
  53         if( op->o_txnSpec ) {
  54                 /* acquire connection lock */
  55                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
  56                 if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
  57                         rs->sr_text = "invalid transaction identifier";
  58                         rs->sr_err = LDAP_X_TXN_ID_INVALID;
  59                         goto txnReturn;
  60                 } else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
  61                         settle=1;
  62                         goto txnReturn;
  63                 }
  64
  65                 if( op->o_conn->c_txn_backend == NULL ) {
  66                         op->o_conn->c_txn_backend = op->o_bd;
  67
  68                 } else if( op->o_conn->c_txn_backend != op->o_bd ) {
  69                         rs->sr_text = "transaction cannot span multiple database contexts";
  70                         rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
  71                         goto txnReturn;
  72                 }
  73
  74                 /* insert operation into transaction */
  75
  76                 rs->sr_text = "transaction specified";
  77                 rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;
  78
  79 txnReturn:
  80                 /* release connection lock */
  81                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
  82
  83                 if( !settle ) {
  84                         send_ldap_result( op, rs );
  85                         return rs->sr_err;
  86                 }
  87         }
  88 #endif
  89
  90         ctrls[num_ctrls] = 0;
  91
  92         /* check entry's schema */
  93         rs->sr_err = entry_schema_check( op, op->ora_e, NULL,
  94                 get_relax(op), 1, NULL, &rs->sr_text, textbuf, textlen );
  95         if ( rs->sr_err != LDAP_SUCCESS ) {
  96                 Debug( LDAP_DEBUG_TRACE,
  97                         LDAP_XSTRING(mdb_add) ": entry failed schema check: "
  98                         "%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
  99                 goto return_results;
 100         }
 101
 102         /* add opattrs to shadow as well, only missing attrs will actually
 103          * be added; helps compatibility with older OL versions */
 104         rs->sr_err = slap_add_opattrs( op, &rs->sr_text, textbuf, textlen, 1 );
 105         if ( rs->sr_err != LDAP_SUCCESS ) {
 106                 Debug( LDAP_DEBUG_TRACE,
 107                         LDAP_XSTRING(mdb_add) ": entry failed op attrs add: "
 108                         "%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
 109                 goto return_results;
 110         }
 111
 112         if ( get_assert( op ) &&
 113                 ( test_filter( op, op->ora_e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 114         {
 115                 rs->sr_err = LDAP_ASSERTION_FAILED;
 116                 goto return_results;
 117         }
 118
 119         subentry = is_entry_subentry( op->ora_e );
 120
 121         /* begin transaction */
 122         rs->sr_err = mdb_opinfo_get( op, mdb, 0, &moi );
 123         rs->sr_text = NULL;
 124         if( rs->sr_err != 0 ) {
 125                 Debug( LDAP_DEBUG_TRACE,
 126                         LDAP_XSTRING(mdb_add) ": txn_begin failed: %s (%d)\n",
 127                         mdb_strerror(rs->sr_err), rs->sr_err, 0 );
 128                 rs->sr_err = LDAP_OTHER;
 129                 rs->sr_text = "internal error";
 130                 goto return_results;
 131         }
 132
 133         txn = moi->moi_txn;
 134
 135         /*
 136          * Get the parent dn and see if the corresponding entry exists.
 137          */
 138         if ( be_issuffix( op->o_bd, &op->ora_e->e_nname ) ) {
 139                 pdn = slap_empty_bv;
 140         } else {
 141                 dnParent( &op->ora_e->e_nname, &pdn );
 142         }
 143
 144         /* get entry or parent */
 145         rs->sr_err = mdb_dn2entry( op, txn, &op->ora_e->e_nname, &p, 1 );
 146         switch( rs->sr_err ) {
 147         case 0:
 148                 rs->sr_err = LDAP_ALREADY_EXISTS;
 149                 mdb_entry_return( p );
 150                 p = NULL;
 151                 goto return_results;
 152         case MDB_NOTFOUND:
 153                 break;
 154         case LDAP_BUSY:
 155                 rs->sr_text = "ldap server busy";
 156                 goto return_results;
 157         default:
 158                 rs->sr_err = LDAP_OTHER;
 159                 rs->sr_text = "internal error";
 160                 goto return_results;
 161         }
 162
 163         if ( !p )
 164                 p = (Entry *)&slap_entry_root;
 165
 166         if ( !bvmatch( &pdn, &p->e_nname ) ) {
 167                 rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
 168                         op->o_tmpmemctx );
 169                 if ( p != (Entry *)&slap_entry_root && is_entry_referral( p )) {
 170                         BerVarray ref = get_entry_referrals( op, p );
 171                         rs->sr_ref = referral_rewrite( ref, &p->e_name,
 172                                 &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 173                         ber_bvarray_free( ref );
 174                 } else {
 175                         rs->sr_ref = NULL;
 176                 }
 177                 if ( p != (Entry *)&slap_entry_root )
 178                         mdb_entry_return( p );
 179                 p = NULL;
 180                 Debug( LDAP_DEBUG_TRACE,
 181                         LDAP_XSTRING(mdb_add) ": parent "
 182                         "does not exist\n", 0, 0, 0 );
 183
 184                 rs->sr_err = LDAP_REFERRAL;
 185                 rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
 186                 goto return_results;
 187         }
 188
 189         rs->sr_err = access_allowed( op, p,
 190                 children, NULL, ACL_WADD, NULL );
 191
 192         if ( ! rs->sr_err ) {
 193                 if ( p != (Entry *)&slap_entry_root )
 194                         mdb_entry_return( p );
 195                 p = NULL;
 196
 197                 Debug( LDAP_DEBUG_TRACE,
 198                         LDAP_XSTRING(mdb_add) ": no write access to parent\n",
 199                         0, 0, 0 );
 200                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 201                 rs->sr_text = "no write access to parent";
 202                 goto return_results;;
 203         }
 204
 205         if ( p != (Entry *)&slap_entry_root ) {
 206                 if ( is_entry_subentry( p ) ) {
 207                         mdb_entry_return( p );
 208                         p = NULL;
 209                         /* parent is a subentry, don't allow add */
 210                         Debug( LDAP_DEBUG_TRACE,
 211                                 LDAP_XSTRING(mdb_add) ": parent is subentry\n",
 212                                 0, 0, 0 );
 213                         rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
 214                         rs->sr_text = "parent is a subentry";
 215                         goto return_results;;
 216                 }
 217
 218                 if ( is_entry_alias( p ) ) {
 219                         mdb_entry_return( p );
 220                         p = NULL;
 221                         /* parent is an alias, don't allow add */
 222                         Debug( LDAP_DEBUG_TRACE,
 223                                 LDAP_XSTRING(mdb_add) ": parent is alias\n",
 224                                 0, 0, 0 );
 225                         rs->sr_err = LDAP_ALIAS_PROBLEM;
 226                         rs->sr_text = "parent is an alias";
 227                         goto return_results;;
 228                 }
 229
 230                 if ( is_entry_referral( p ) ) {
 231                         BerVarray ref = get_entry_referrals( op, p );
 232                         /* parent is a referral, don't allow add */
 233                         rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
 234                                 op->o_tmpmemctx );
 235                         rs->sr_ref = referral_rewrite( ref, &p->e_name,
 236                                 &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 237                         ber_bvarray_free( ref );
 238                         mdb_entry_return( p );
 239                         p = NULL;
 240                         Debug( LDAP_DEBUG_TRACE,
 241                                 LDAP_XSTRING(mdb_add) ": parent is referral\n",
 242                                 0, 0, 0 );
 243
 244                         rs->sr_err = LDAP_REFERRAL;
 245                         rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
 246                         goto return_results;
 247                 }
 248
 249         }
 250
 251         if ( subentry ) {
 252                 /* FIXME: */
 253                 /* parent must be an administrative point of the required kind */
 254         }
 255
 256         /* free parent */
 257         if ( p != (Entry *)&slap_entry_root ) {
 258                 pid = p->e_id;
 259                 if ( p->e_nname.bv_len ) {
 260                         struct berval ppdn;
 261
 262                         /* ITS#5326: use parent's DN if differs from provided one */
 263                         dnParent( &op->ora_e->e_name, &ppdn );
 264                         if ( !dn_match( &p->e_name, &ppdn ) ) {
 265                                 struct berval rdn;
 266                                 struct berval newdn;
 267
 268                                 dnRdn( &op->ora_e->e_name, &rdn );
 269
 270                                 build_new_dn( &newdn, &p->e_name, &rdn, NULL );
 271                                 if ( op->ora_e->e_name.bv_val != op->o_req_dn.bv_val )
 272                                         ber_memfree( op->ora_e->e_name.bv_val );
 273                                 op->ora_e->e_name = newdn;
 274
 275                                 /* FIXME: should check whether
 276                                  * dnNormalize(newdn) == e->e_nname ... */
 277                         }
 278                 }
 279
 280                 mdb_entry_return( p );
 281         }
 282         p = NULL;
 283
 284         rs->sr_err = access_allowed( op, op->ora_e,
 285                 entry, NULL, ACL_WADD, NULL );
 286
 287         if ( ! rs->sr_err ) {
 288                 Debug( LDAP_DEBUG_TRACE,
 289                         LDAP_XSTRING(mdb_add) ": no write access to entry\n",
 290                         0, 0, 0 );
 291                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 292                 rs->sr_text = "no write access to entry";
 293                 goto return_results;;
 294         }
 295
 296         /*
 297          * Check ACL for attribute write access
 298          */
 299         if (!acl_check_modlist(op, oe, op->ora_modlist)) {
 300                 Debug( LDAP_DEBUG_TRACE,
 301                         LDAP_XSTRING(mdb_add) ": no write access to attribute\n",
 302                         0, 0, 0 );
 303                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 304                 rs->sr_text = "no write access to attribute";
 305                 goto return_results;;
 306         }
 307
 308         if ( eid == NOID ) {
 309                 rs->sr_err = mdb_next_id( op->o_bd, txn, &eid );
 310                 if( rs->sr_err != 0 ) {
 311                         Debug( LDAP_DEBUG_TRACE,
 312                                 LDAP_XSTRING(mdb_add) ": next_id failed (%d)\n",
 313                                 rs->sr_err, 0, 0 );
 314                         rs->sr_err = LDAP_OTHER;
 315                         rs->sr_text = "internal error";
 316                         goto return_results;
 317                 }
 318                 op->ora_e->e_id = eid;
 319         }
 320
 321         /* dn2id index */
 322         rs->sr_err = mdb_dn2id_add( op, txn, pid, op->ora_e );
 323         if ( rs->sr_err != 0 ) {
 324                 Debug( LDAP_DEBUG_TRACE,
 325                         LDAP_XSTRING(mdb_add) ": dn2id_add failed: %s (%d)\n",
 326                         mdb_strerror(rs->sr_err), rs->sr_err, 0 );
 327
 328                 switch( rs->sr_err ) {
 329                 case MDB_KEYEXIST:
 330                         rs->sr_err = LDAP_ALREADY_EXISTS;
 331                         break;
 332                 default:
 333                         rs->sr_err = LDAP_OTHER;
 334                 }
 335                 goto return_results;
 336         }
 337
 338         /* attribute indexes */
 339         rs->sr_err = mdb_index_entry_add( op, txn, op->ora_e );
 340         if ( rs->sr_err != LDAP_SUCCESS ) {
 341                 Debug( LDAP_DEBUG_TRACE,
 342                         LDAP_XSTRING(mdb_add) ": index_entry_add failed\n",
 343                         0, 0, 0 );
 344                 rs->sr_err = LDAP_OTHER;
 345                 rs->sr_text = "index generation failed";
 346                 goto return_results;
 347         }
 348
 349         /* id2entry index */
 350         rs->sr_err = mdb_id2entry_add( op, txn, op->ora_e );
 351         if ( rs->sr_err != 0 ) {
 352                 Debug( LDAP_DEBUG_TRACE,
 353                         LDAP_XSTRING(mdb_add) ": id2entry_add failed\n",
 354                         0, 0, 0 );
 355                 rs->sr_err = LDAP_OTHER;
 356                 rs->sr_text = "entry store failed";
 357                 goto return_results;
 358         }
 359
 360         /* post-read */
 361         if( op->o_postread ) {
 362                 if( postread_ctrl == NULL ) {
 363                         postread_ctrl = &ctrls[num_ctrls++];
 364                         ctrls[num_ctrls] = NULL;
 365                 }
 366                 if ( slap_read_controls( op, rs, op->ora_e,
 367                         &slap_post_read_bv, postread_ctrl ) )
 368                 {
 369                         Debug( LDAP_DEBUG_TRACE,
 370                                 "<=- " LDAP_XSTRING(mdb_add) ": post-read "
 371                                 "failed!\n", 0, 0, 0 );
 372                         if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
 373                                 /* FIXME: is it correct to abort
 374                                  * operation if control fails? */
 375                                 goto return_results;
 376                         }
 377                 }
 378         }
 379
 380         if ( moi == &opinfo ) {
 381                 LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
 382                 opinfo.moi_oe.oe_key = NULL;
 383                 if ( op->o_noop ) {
 384                         mdb_txn_abort( txn );
 385                         rs->sr_err = LDAP_X_NO_OPERATION;
 386                         txn = NULL;
 387                         goto return_results;
 388                 }
 389
 390                 if (( rs->sr_err = mdb_txn_commit( txn )) != 0 ) {
 391                         rs->sr_text = "txn_commit failed";
 392                         Debug( LDAP_DEBUG_TRACE,
 393                                 LDAP_XSTRING(mdb_add) ": %s : %s (%d)\n",
 394                                 rs->sr_text, mdb_strerror(rs->sr_err), rs->sr_err );
 395                         rs->sr_err = LDAP_OTHER;
 396                         goto return_results;
 397                 }
 398                 txn = NULL;
 399         }
 400
 401         Debug(LDAP_DEBUG_TRACE,
 402                 LDAP_XSTRING(mdb_add) ": added%s id=%08lx dn=\"%s\"\n",
 403                 op->o_noop ? " (no-op)" : "",
 404                 op->ora_e->e_id, op->ora_e->e_dn );
 405
 406         rs->sr_text = NULL;
 407         if( num_ctrls ) rs->sr_ctrls = ctrls;
 408
 409 return_results:
 410         success = rs->sr_err;
 411         send_ldap_result( op, rs );
 412
 413         if( moi == &opinfo ) {
 414                 if( txn != NULL ) {
 415                         mdb_txn_abort( txn );
 416                 }
 417                 if ( opinfo.moi_oe.oe_key ) {
 418                         LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
 419                 }
 420         }
 421
 422         if( success == LDAP_SUCCESS ) {
 423 #if 0
 424                 if ( mdb->bi_txn_cp_kbyte ) {
 425                         TXN_CHECKPOINT( mdb->bi_dbenv,
 426                                 mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 );
 427                 }
 428 #endif
 429         }
 430
 431         slap_graduate_commit_csn( op );
 432
 433         if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
 434                 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 435                 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
 436         }
 437         return rs->sr_err;
 438 }