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 2008-2016 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         NA.txn = NULL;
  55
  56         /* check entry's schema */
  57         rs->sr_err = entry_schema_check( op, op->oq_add.rs_e, NULL,
  58                 get_relax(op), 1, NULL, &rs->sr_text, textbuf, textlen );
  59         if ( rs->sr_err != LDAP_SUCCESS ) {
  60                 Debug( LDAP_DEBUG_TRACE,
  61                         LDAP_XSTRING(ndb_back_add) ": entry failed schema check: "
  62                         "%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
  63                 goto return_results;
  64         }
  65
  66         /* add opattrs to shadow as well, only missing attrs will actually
  67          * be added; helps compatibility with older OL versions */
  68         rs->sr_err = slap_add_opattrs( op, &rs->sr_text, textbuf, textlen, 1 );
  69         if ( rs->sr_err != LDAP_SUCCESS ) {
  70                 Debug( LDAP_DEBUG_TRACE,
  71                         LDAP_XSTRING(ndb_back_add) ": entry failed op attrs add: "
  72                         "%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
  73                 goto return_results;
  74         }
  75
  76         /* Get our NDB handle */
  77         rs->sr_err = ndb_thread_handle( op, &NA.ndb );
  78
  79         /*
  80          * Get the parent dn and see if the corresponding entry exists.
  81          */
  82         if ( be_issuffix( op->o_bd, &op->oq_add.rs_e->e_nname ) ) {
  83                 pdn = slap_empty_bv;
  84                 pndn = slap_empty_bv;
  85         } else {
  86                 dnParent( &op->ora_e->e_name, &pdn );
  87                 dnParent( &op->ora_e->e_nname, &pndn );
  88         }
  89         p.e_name = op->ora_e->e_name;
  90         p.e_nname = op->ora_e->e_nname;
  91
  92         op->ora_e->e_id = NOID;
  93         rdns.nr_num = 0;
  94         NA.rdns = &rdns;
  95
  96         if( 0 ) {
  97 retry:  /* transaction retry */
  98                 NA.txn->close();
  99                 NA.txn = NULL;
 100                 if ( op->o_abandon ) {
 101                         rs->sr_err = SLAPD_ABANDON;
 102                         goto return_results;
 103                 }
 104                 ndb_trans_backoff( ++num_retries );
 105         }
 106
 107         NA.txn = NA.ndb->startTransaction();
 108         rs->sr_text = NULL;
 109         if( !NA.txn ) {
 110                 Debug( LDAP_DEBUG_TRACE,
 111                         LDAP_XSTRING(ndb_back_add) ": startTransaction failed: %s (%d)\n",
 112                         NA.ndb->getNdbError().message, NA.ndb->getNdbError().code, 0 );
 113                 rs->sr_err = LDAP_OTHER;
 114                 rs->sr_text = "internal error";
 115                 goto return_results;
 116         }
 117
 118         /* get entry or parent */
 119         NA.e = &p;
 120         NA.ocs = NULL;
 121         rs->sr_err = ndb_entry_get_info( op, &NA, 0, &matched );
 122         switch( rs->sr_err ) {
 123         case 0:
 124                 rs->sr_err = LDAP_ALREADY_EXISTS;
 125                 goto return_results;
 126         case LDAP_NO_SUCH_OBJECT:
 127                 break;
 128 #if 0
 129         case DB_LOCK_DEADLOCK:
 130         case DB_LOCK_NOTGRANTED:
 131                 goto retry;
 132 #endif
 133         case LDAP_BUSY:
 134                 rs->sr_text = "ldap server busy";
 135                 goto return_results;
 136         default:
 137                 rs->sr_err = LDAP_OTHER;
 138                 rs->sr_text = "internal error";
 139                 goto return_results;
 140         }
 141
 142         if ( NA.ocs ) {
 143                 int i;
 144                 for ( i=0; !BER_BVISNULL( &NA.ocs[i] ); i++ );
 145                 poc.a_numvals = i;
 146                 poc.a_desc = slap_schema.si_ad_objectClass;
 147                 poc.a_vals = NA.ocs;
 148                 poc.a_nvals = poc.a_vals;
 149                 poc.a_next = NULL;
 150                 p.e_attrs = &poc;
 151         }
 152
 153         if ( ber_bvstrcasecmp( &pndn, &matched ) ) {
 154                 rs->sr_matched = matched.bv_val;
 155                 Debug( LDAP_DEBUG_TRACE,
 156                         LDAP_XSTRING(ndb_back_add) ": parent "
 157                         "does not exist\n", 0, 0, 0 );
 158
 159                 rs->sr_text = "parent does not exist";
 160                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
 161                 if ( p.e_attrs && is_entry_referral( &p )) {
 162 is_ref:                 p.e_attrs = NULL;
 163                         ndb_entry_get_data( op, &NA, 0 );
 164                         rs->sr_ref = get_entry_referrals( op, &p );
 165                         rs->sr_err = LDAP_REFERRAL;
 166                         rs->sr_flags = REP_REF_MUSTBEFREED;
 167                         attrs_free( p.e_attrs );
 168                         p.e_attrs = NULL;
 169                 }
 170                 goto return_results;
 171         }
 172
 173         p.e_name = pdn;
 174         p.e_nname = pndn;
 175         rs->sr_err = access_allowed( op, &p,
 176                 children, NULL, ACL_WADD, NULL );
 177
 178         if ( ! rs->sr_err ) {
 179                 Debug( LDAP_DEBUG_TRACE,
 180                         LDAP_XSTRING(ndb_back_add) ": no write access to parent\n",
 181                         0, 0, 0 );
 182                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 183                 rs->sr_text = "no write access to parent";
 184                 goto return_results;
 185         }
 186
 187         if ( NA.ocs ) {
 188                 if ( is_entry_subentry( &p )) {
 189                         /* parent is a subentry, don't allow add */
 190                         Debug( LDAP_DEBUG_TRACE,
 191                                 LDAP_XSTRING(ndb_back_add) ": parent is subentry\n",
 192                                 0, 0, 0 );
 193                         rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
 194                         rs->sr_text = "parent is a subentry";
 195                         goto return_results;
 196                 }
 197
 198                 if ( is_entry_alias( &p ) ) {
 199                         /* parent is an alias, don't allow add */
 200                         Debug( LDAP_DEBUG_TRACE,
 201                                 LDAP_XSTRING(ndb_back_add) ": parent is alias\n",
 202                                 0, 0, 0 );
 203                         rs->sr_err = LDAP_ALIAS_PROBLEM;
 204                         rs->sr_text = "parent is an alias";
 205                         goto return_results;
 206                 }
 207
 208                 if ( is_entry_referral( &p ) ) {
 209                         /* parent is a referral, don't allow add */
 210                         rs->sr_matched = p.e_name.bv_val;
 211                         goto is_ref;
 212                 }
 213         }
 214
 215         rs->sr_err = access_allowed( op, op->ora_e,
 216                 entry, NULL, ACL_WADD, NULL );
 217
 218         if ( ! rs->sr_err ) {
 219                 Debug( LDAP_DEBUG_TRACE,
 220                         LDAP_XSTRING(ndb_back_add) ": no write access to entry\n",
 221                         0, 0, 0 );
 222                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 223                 rs->sr_text = "no write access to entry";
 224                 goto return_results;;
 225         }
 226
 227         /*
 228          * Check ACL for attribute write access
 229          */
 230         if (!acl_check_modlist(op, op->ora_e, op->ora_modlist)) {
 231                 Debug( LDAP_DEBUG_TRACE,
 232                         LDAP_XSTRING(bdb_add) ": no write access to attribute\n",
 233                         0, 0, 0 );
 234                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 235                 rs->sr_text = "no write access to attribute";
 236                 goto return_results;;
 237         }
 238
 239
 240         /* acquire entry ID */
 241         if ( op->ora_e->e_id == NOID ) {
 242                 rs->sr_err = ndb_next_id( op->o_bd, NA.ndb, &op->ora_e->e_id );
 243                 if( rs->sr_err != 0 ) {
 244                         Debug( LDAP_DEBUG_TRACE,
 245                                 LDAP_XSTRING(ndb_back_add) ": next_id failed (%d)\n",
 246                                 rs->sr_err, 0, 0 );
 247                         rs->sr_err = LDAP_OTHER;
 248                         rs->sr_text = "internal error";
 249                         goto return_results;
 250                 }
 251         }
 252
 253         if ( matched.bv_val )
 254                 rdns.nr_num++;
 255         NA.e = op->ora_e;
 256         /* dn2id index */
 257         rs->sr_err = ndb_entry_put_info( op->o_bd, &NA, 0 );
 258         if ( rs->sr_err ) {
 259                 Debug( LDAP_DEBUG_TRACE,
 260                         LDAP_XSTRING(ndb_back_add) ": ndb_entry_put_info failed (%d)\n",
 261                         rs->sr_err, 0, 0 );
 262                 rs->sr_text = "internal error";
 263                 goto return_results;
 264         }
 265
 266         /* id2entry index */
 267         rs->sr_err = ndb_entry_put_data( op->o_bd, &NA );
 268         if ( rs->sr_err ) {
 269                 Debug( LDAP_DEBUG_TRACE,
 270                         LDAP_XSTRING(ndb_back_add) ": ndb_entry_put_data failed (%d) %s(%d)\n",
 271                         rs->sr_err, NA.txn->getNdbError().message, NA.txn->getNdbError().code );
 272                 rs->sr_text = "internal error";
 273                 goto return_results;
 274         }
 275
 276         /* post-read */
 277         if( op->o_postread ) {
 278                 if( postread_ctrl == NULL ) {
 279                         postread_ctrl = &ctrls[num_ctrls++];
 280                         ctrls[num_ctrls] = NULL;
 281                 }
 282                 if ( slap_read_controls( op, rs, op->oq_add.rs_e,
 283                         &slap_post_read_bv, postread_ctrl ) )
 284                 {
 285                         Debug( LDAP_DEBUG_TRACE,
 286                                 "<=- " LDAP_XSTRING(ndb_back_add) ": post-read "
 287                                 "failed!\n", 0, 0, 0 );
 288                         if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
 289                                 /* FIXME: is it correct to abort
 290                                  * operation if control fails? */
 291                                 goto return_results;
 292                         }
 293                 }
 294         }
 295
 296         if ( op->o_noop ) {
 297                 if (( rs->sr_err=NA.txn->execute( NdbTransaction::Rollback,
 298                         NdbOperation::AbortOnError, 1 )) != 0 ) {
 299                         rs->sr_text = "txn (no-op) failed";
 300                 } else {
 301                         rs->sr_err = LDAP_X_NO_OPERATION;
 302                 }
 303
 304         } else {
 305                 if(( rs->sr_err=NA.txn->execute( NdbTransaction::Commit,
 306                         NdbOperation::AbortOnError, 1 )) != 0 ) {
 307                         rs->sr_text = "txn_commit failed";
 308                 } else {
 309                         rs->sr_err = LDAP_SUCCESS;
 310                 }
 311         }
 312
 313         if ( rs->sr_err != LDAP_SUCCESS && rs->sr_err != LDAP_X_NO_OPERATION ) {
 314                 Debug( LDAP_DEBUG_TRACE,
 315                         LDAP_XSTRING(ndb_back_add) ": %s : %s (%d)\n",
 316                         rs->sr_text, NA.txn->getNdbError().message, NA.txn->getNdbError().code );
 317                 rs->sr_err = LDAP_OTHER;
 318                 goto return_results;
 319         }
 320         NA.txn->close();
 321         NA.txn = NULL;
 322
 323         Debug(LDAP_DEBUG_TRACE,
 324                 LDAP_XSTRING(ndb_back_add) ": added%s id=%08lx dn=\"%s\"\n",
 325                 op->o_noop ? " (no-op)" : "",
 326                 op->oq_add.rs_e->e_id, op->oq_add.rs_e->e_dn );
 327
 328         rs->sr_text = NULL;
 329         if( num_ctrls ) rs->sr_ctrls = ctrls;
 330
 331 return_results:
 332         success = rs->sr_err;
 333         send_ldap_result( op, rs );
 334         slap_graduate_commit_csn( op );
 335
 336         if( NA.txn != NULL ) {
 337                 NA.txn->execute( Rollback );
 338                 NA.txn->close();
 339         }
 340
 341         if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
 342                 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 343                 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
 344         }
 345
 346         return rs->sr_err;
 347 }