git.sur5r.net Git - openldap/blob - servers/slapd/back-ndb/add.cpp

   1 /* add.cpp - ldap NDB back-end add routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2008 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 /* ACKNOWLEDGEMENTS:
  17  * This work was initially developed by Howard Chu for inclusion
  18  * in OpenLDAP Software. This work was sponsored by MySQL.
  19  */
  20
  21 #include "portable.h"
  22
  23 #include <stdio.h>
  24 #include <ac/string.h>
  25
  26 #include "back-ndb.h"
  27
  28 extern "C" int
  29 ndb_back_add(Operation *op, SlapReply *rs )
  30 {
  31         struct ndb_info *ni = (struct ndb_info *) op->o_bd->be_private;
  32         Entry           p = {0};
  33         Attribute       poc;
  34         char textbuf[SLAP_TEXT_BUFLEN];
  35         size_t textlen = sizeof textbuf;
  36         AttributeDescription *children = slap_schema.si_ad_children;
  37         AttributeDescription *entry = slap_schema.si_ad_entry;
  38         NdbArgs NA;
  39         NdbRdns rdns;
  40         struct berval matched;
  41         struct berval pdn, pndn;
  42
  43         int             num_retries = 0;
  44         int             success;
  45
  46         LDAPControl **postread_ctrl = NULL;
  47         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
  48         int num_ctrls = 0;
  49
  50         Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(ndb_back_add) ": %s\n",
  51                 op->oq_add.rs_e->e_name.bv_val, 0, 0);
  52
  53         ctrls[num_ctrls] = 0;
  54
  55         /* check entry's schema */
  56         rs->sr_err = entry_schema_check( op, op->oq_add.rs_e, NULL,
  57                 get_relax(op), 1, &rs->sr_text, textbuf, textlen );
  58         if ( rs->sr_err != LDAP_SUCCESS ) {
  59                 Debug( LDAP_DEBUG_TRACE,
  60                         LDAP_XSTRING(ndb_back_add) ": entry failed schema check: "
  61                         "%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
  62                 goto return_results;
  63         }
  64
  65         /* add opattrs to shadow as well, only missing attrs will actually
  66          * be added; helps compatibility with older OL versions */
  67         rs->sr_err = slap_add_opattrs( op, &rs->sr_text, textbuf, textlen, 1 );
  68         if ( rs->sr_err != LDAP_SUCCESS ) {
  69                 Debug( LDAP_DEBUG_TRACE,
  70                         LDAP_XSTRING(ndb_back_add) ": entry failed op attrs add: "
  71                         "%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
  72                 goto return_results;
  73         }
  74
  75         /* Get our NDB handle */
  76         rs->sr_err = ndb_thread_handle( op, &NA.ndb );
  77
  78         /*
  79          * Get the parent dn and see if the corresponding entry exists.
  80          */
  81         if ( be_issuffix( op->o_bd, &op->oq_add.rs_e->e_nname ) ) {
  82                 pdn = slap_empty_bv;
  83                 pndn = slap_empty_bv;
  84         } else {
  85                 dnParent( &op->ora_e->e_name, &pdn );
  86                 dnParent( &op->ora_e->e_nname, &pndn );
  87         }
  88         p.e_name = op->ora_e->e_name;
  89         p.e_nname = op->ora_e->e_nname;
  90
  91         op->ora_e->e_id = NOID;
  92         rdns.nr_num = 0;
  93         NA.rdns = &rdns;
  94
  95         if( 0 ) {
  96 retry:  /* transaction retry */
  97                 NA.txn->close();
  98                 NA.txn = NULL;
  99                 if ( op->o_abandon ) {
 100                         rs->sr_err = SLAPD_ABANDON;
 101                         goto return_results;
 102                 }
 103                 ndb_trans_backoff( ++num_retries );
 104         }
 105
 106         NA.txn = NA.ndb->startTransaction();
 107         rs->sr_text = NULL;
 108         if( !NA.txn ) {
 109                 Debug( LDAP_DEBUG_TRACE,
 110                         LDAP_XSTRING(ndb_back_add) ": startTransaction failed: %s (%d)\n",
 111                         NA.ndb->getNdbError().message, NA.ndb->getNdbError().code, 0 );
 112                 rs->sr_err = LDAP_OTHER;
 113                 rs->sr_text = "internal error";
 114                 goto return_results;
 115         }
 116
 117         /* get entry or parent */
 118         NA.e = &p;
 119         NA.ocs = NULL;
 120         rs->sr_err = ndb_entry_get_info( op, &NA, 0, &matched );
 121         switch( rs->sr_err ) {
 122         case 0:
 123                 rs->sr_err = LDAP_ALREADY_EXISTS;
 124                 goto return_results;
 125         case LDAP_NO_SUCH_OBJECT:
 126                 break;
 127 #if 0
 128         case DB_LOCK_DEADLOCK:
 129         case DB_LOCK_NOTGRANTED:
 130                 goto retry;
 131 #endif
 132         case LDAP_BUSY:
 133                 rs->sr_text = "ldap server busy";
 134                 goto return_results;
 135         default:
 136                 rs->sr_err = LDAP_OTHER;
 137                 rs->sr_text = "internal error";
 138                 goto return_results;
 139         }
 140
 141         if ( NA.ocs ) {
 142                 int i;
 143                 for ( i=0; !BER_BVISNULL( &NA.ocs[i] ); i++ );
 144                 poc.a_numvals = i;
 145                 poc.a_desc = slap_schema.si_ad_objectClass;
 146                 poc.a_vals = NA.ocs;
 147                 poc.a_nvals = poc.a_vals;
 148                 poc.a_next = NULL;
 149                 p.e_attrs = &poc;
 150         }
 151
 152         if ( ber_bvstrcasecmp( &pndn, &matched ) ) {
 153                 rs->sr_matched = matched.bv_val;
 154                 Debug( LDAP_DEBUG_TRACE,
 155                         LDAP_XSTRING(ndb_back_add) ": parent "
 156                         "does not exist\n", 0, 0, 0 );
 157
 158                 rs->sr_text = "parent does not exist";
 159                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
 160                 if ( p.e_attrs && is_entry_referral( &p )) {
 161 is_ref:                 p.e_attrs = NULL;
 162                         ndb_entry_get_data( op, &NA, 0 );
 163                         rs->sr_ref = get_entry_referrals( op, &p );
 164                         rs->sr_err = LDAP_REFERRAL;
 165                         rs->sr_flags = REP_REF_MUSTBEFREED;
 166                         attrs_free( p.e_attrs );
 167                         p.e_attrs = NULL;
 168                 }
 169                 goto return_results;
 170         }
 171
 172         p.e_name = pdn;
 173         p.e_nname = pndn;
 174         rs->sr_err = access_allowed( op, &p,
 175                 children, NULL, ACL_WADD, NULL );
 176
 177         if ( ! rs->sr_err ) {
 178                 Debug( LDAP_DEBUG_TRACE,
 179                         LDAP_XSTRING(ndb_back_add) ": no write access to parent\n",
 180                         0, 0, 0 );
 181                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 182                 rs->sr_text = "no write access to parent";
 183                 goto return_results;
 184         }
 185
 186         if ( NA.ocs ) {
 187                 if ( is_entry_subentry( &p )) {
 188                         /* parent is a subentry, don't allow add */
 189                         Debug( LDAP_DEBUG_TRACE,
 190                                 LDAP_XSTRING(ndb_back_add) ": parent is subentry\n",
 191                                 0, 0, 0 );
 192                         rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
 193                         rs->sr_text = "parent is a subentry";
 194                         goto return_results;
 195                 }
 196
 197                 if ( is_entry_alias( &p ) ) {
 198                         /* parent is an alias, don't allow add */
 199                         Debug( LDAP_DEBUG_TRACE,
 200                                 LDAP_XSTRING(ndb_back_add) ": parent is alias\n",
 201                                 0, 0, 0 );
 202                         rs->sr_err = LDAP_ALIAS_PROBLEM;
 203                         rs->sr_text = "parent is an alias";
 204                         goto return_results;
 205                 }
 206
 207                 if ( is_entry_referral( &p ) ) {
 208                         /* parent is a referral, don't allow add */
 209                         rs->sr_matched = p.e_name.bv_val;
 210                         goto is_ref;
 211                 }
 212         }
 213
 214         rs->sr_err = access_allowed( op, op->ora_e,
 215                 entry, NULL, ACL_WADD, NULL );
 216
 217         if ( ! rs->sr_err ) {
 218                 Debug( LDAP_DEBUG_TRACE,
 219                         LDAP_XSTRING(ndb_back_add) ": no write access to entry\n",
 220                         0, 0, 0 );
 221                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 222                 rs->sr_text = "no write access to entry";
 223                 goto return_results;;
 224         }
 225
 226         /* acquire entry ID */
 227         if ( op->ora_e->e_id == NOID ) {
 228                 rs->sr_err = ndb_next_id( op->o_bd, NA.ndb, &op->ora_e->e_id );
 229                 if( rs->sr_err != 0 ) {
 230                         Debug( LDAP_DEBUG_TRACE,
 231                                 LDAP_XSTRING(ndb_back_add) ": next_id failed (%d)\n",
 232                                 rs->sr_err, 0, 0 );
 233                         rs->sr_err = LDAP_OTHER;
 234                         rs->sr_text = "internal error";
 235                         goto return_results;
 236                 }
 237         }
 238
 239         if ( matched.bv_val )
 240                 rdns.nr_num++;
 241         NA.e = op->ora_e;
 242         /* dn2id index */
 243         rs->sr_err = ndb_entry_put_info( op->o_bd, &NA, 0 );
 244         if ( rs->sr_err ) {
 245                 Debug( LDAP_DEBUG_TRACE,
 246                         LDAP_XSTRING(ndb_back_add) ": ndb_entry_put_info failed (%d)\n",
 247                         rs->sr_err, 0, 0 );
 248                 rs->sr_text = "internal error";
 249                 goto return_results;
 250         }
 251
 252         /* id2entry index */
 253         rs->sr_err = ndb_entry_put_data( op->o_bd, &NA );
 254         if ( rs->sr_err ) {
 255                 Debug( LDAP_DEBUG_TRACE,
 256                         LDAP_XSTRING(ndb_back_add) ": ndb_entry_put_data failed (%d) %s(%d)\n",
 257                         rs->sr_err, NA.txn->getNdbError().message, NA.txn->getNdbError().code );
 258                 rs->sr_text = "internal error";
 259                 goto return_results;
 260         }
 261
 262         /* post-read */
 263         if( op->o_postread ) {
 264                 if( postread_ctrl == NULL ) {
 265                         postread_ctrl = &ctrls[num_ctrls++];
 266                         ctrls[num_ctrls] = NULL;
 267                 }
 268                 if ( slap_read_controls( op, rs, op->oq_add.rs_e,
 269                         &slap_post_read_bv, postread_ctrl ) )
 270                 {
 271                         Debug( LDAP_DEBUG_TRACE,
 272                                 "<=- " LDAP_XSTRING(ndb_back_add) ": post-read "
 273                                 "failed!\n", 0, 0, 0 );
 274                         if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
 275                                 /* FIXME: is it correct to abort
 276                                  * operation if control fails? */
 277                                 goto return_results;
 278                         }
 279                 }
 280         }
 281
 282         if ( op->o_noop ) {
 283                 if (( rs->sr_err=NA.txn->execute( NdbTransaction::Rollback,
 284                         NdbOperation::AbortOnError, 1 )) != 0 ) {
 285                         rs->sr_text = "txn (no-op) failed";
 286                 } else {
 287                         rs->sr_err = LDAP_X_NO_OPERATION;
 288                 }
 289
 290         } else {
 291                 if(( rs->sr_err=NA.txn->execute( NdbTransaction::Commit,
 292                         NdbOperation::AbortOnError, 1 )) != 0 ) {
 293                         rs->sr_text = "txn_commit failed";
 294                 } else {
 295                         rs->sr_err = LDAP_SUCCESS;
 296                 }
 297         }
 298
 299         if ( rs->sr_err != LDAP_SUCCESS && rs->sr_err != LDAP_X_NO_OPERATION ) {
 300                 Debug( LDAP_DEBUG_TRACE,
 301                         LDAP_XSTRING(ndb_back_add) ": %s : %s (%d)\n",
 302                         rs->sr_text, NA.txn->getNdbError().message, NA.txn->getNdbError().code );
 303                 rs->sr_err = LDAP_OTHER;
 304                 goto return_results;
 305         }
 306         NA.txn->close();
 307         NA.txn = NULL;
 308
 309         Debug(LDAP_DEBUG_TRACE,
 310                 LDAP_XSTRING(ndb_back_add) ": added%s id=%08lx dn=\"%s\"\n",
 311                 op->o_noop ? " (no-op)" : "",
 312                 op->oq_add.rs_e->e_id, op->oq_add.rs_e->e_dn );
 313
 314         rs->sr_text = NULL;
 315         if( num_ctrls ) rs->sr_ctrls = ctrls;
 316
 317 return_results:
 318         success = rs->sr_err;
 319         send_ldap_result( op, rs );
 320         slap_graduate_commit_csn( op );
 321
 322         if( NA.txn != NULL ) {
 323                 NA.txn->execute( Rollback );
 324                 NA.txn->close();
 325         }
 326
 327         if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
 328                 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 329                 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
 330         }
 331
 332         return rs->sr_err;
 333 }