Back to index

openldap  2.4.31
Functions
add.cpp File Reference
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include "back-ndb.h"

Go to the source code of this file.

Functions

int ndb_back_add (Operation *op, SlapReply *rs)

Function Documentation

int ndb_back_add ( Operation op,
SlapReply rs 
)

Definition at line 29 of file add.cpp.

{
       struct ndb_info *ni = (struct ndb_info *) op->o_bd->be_private;
       Entry         p = {0};
       Attribute     poc;
       char textbuf[SLAP_TEXT_BUFLEN];
       size_t textlen = sizeof textbuf;
       AttributeDescription *children = slap_schema.si_ad_children;
       AttributeDescription *entry = slap_schema.si_ad_entry;
       NdbArgs NA;
       NdbRdns rdns;
       struct berval matched;
       struct berval pdn, pndn;

       int           num_retries = 0;
       int           success;

       LDAPControl **postread_ctrl = NULL;
       LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
       int num_ctrls = 0;

       Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(ndb_back_add) ": %s\n",
              op->oq_add.rs_e->e_name.bv_val, 0, 0);

       ctrls[num_ctrls] = 0;
       NA.txn = NULL;

       /* check entry's schema */
       rs->sr_err = entry_schema_check( op, op->oq_add.rs_e, NULL,
              get_relax(op), 1, NULL, &rs->sr_text, textbuf, textlen );
       if ( rs->sr_err != LDAP_SUCCESS ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(ndb_back_add) ": entry failed schema check: "
                     "%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
              goto return_results;
       }

       /* add opattrs to shadow as well, only missing attrs will actually
        * be added; helps compatibility with older OL versions */
       rs->sr_err = slap_add_opattrs( op, &rs->sr_text, textbuf, textlen, 1 );
       if ( rs->sr_err != LDAP_SUCCESS ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(ndb_back_add) ": entry failed op attrs add: "
                     "%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
              goto return_results;
       }

       /* Get our NDB handle */
       rs->sr_err = ndb_thread_handle( op, &NA.ndb );

       /*
        * Get the parent dn and see if the corresponding entry exists.
        */
       if ( be_issuffix( op->o_bd, &op->oq_add.rs_e->e_nname ) ) {
              pdn = slap_empty_bv;
              pndn = slap_empty_bv;
       } else {
              dnParent( &op->ora_e->e_name, &pdn );
              dnParent( &op->ora_e->e_nname, &pndn );
       }
       p.e_name = op->ora_e->e_name;
       p.e_nname = op->ora_e->e_nname;

       op->ora_e->e_id = NOID;
       rdns.nr_num = 0;
       NA.rdns = &rdns;

       if( 0 ) {
retry: /* transaction retry */
              NA.txn->close();
              NA.txn = NULL;
              if ( op->o_abandon ) {
                     rs->sr_err = SLAPD_ABANDON;
                     goto return_results;
              }
              ndb_trans_backoff( ++num_retries );
       }

       NA.txn = NA.ndb->startTransaction();
       rs->sr_text = NULL;
       if( !NA.txn ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(ndb_back_add) ": startTransaction failed: %s (%d)\n",
                     NA.ndb->getNdbError().message, NA.ndb->getNdbError().code, 0 );
              rs->sr_err = LDAP_OTHER;
              rs->sr_text = "internal error";
              goto return_results;
       }

       /* get entry or parent */
       NA.e = &p;
       NA.ocs = NULL;
       rs->sr_err = ndb_entry_get_info( op, &NA, 0, &matched );
       switch( rs->sr_err ) {
       case 0:
              rs->sr_err = LDAP_ALREADY_EXISTS;
              goto return_results;
       case LDAP_NO_SUCH_OBJECT:
              break;
#if 0
       case DB_LOCK_DEADLOCK:
       case DB_LOCK_NOTGRANTED:
              goto retry;
#endif
       case LDAP_BUSY:
              rs->sr_text = "ldap server busy";
              goto return_results;
       default:
              rs->sr_err = LDAP_OTHER;
              rs->sr_text = "internal error";
              goto return_results;
       }

       if ( NA.ocs ) {
              int i;
              for ( i=0; !BER_BVISNULL( &NA.ocs[i] ); i++ );
              poc.a_numvals = i;
              poc.a_desc = slap_schema.si_ad_objectClass;
              poc.a_vals = NA.ocs;
              poc.a_nvals = poc.a_vals;
              poc.a_next = NULL;
              p.e_attrs = &poc;
       }

       if ( ber_bvstrcasecmp( &pndn, &matched ) ) {
              rs->sr_matched = matched.bv_val;
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(ndb_back_add) ": parent "
                     "does not exist\n", 0, 0, 0 );

              rs->sr_text = "parent does not exist";
              rs->sr_err = LDAP_NO_SUCH_OBJECT;
              if ( p.e_attrs && is_entry_referral( &p )) {
is_ref:                     p.e_attrs = NULL;
                     ndb_entry_get_data( op, &NA, 0 );
                     rs->sr_ref = get_entry_referrals( op, &p );
                     rs->sr_err = LDAP_REFERRAL;
                     rs->sr_flags = REP_REF_MUSTBEFREED;
                     attrs_free( p.e_attrs );
                     p.e_attrs = NULL;
              }
              goto return_results;
       }

       p.e_name = pdn;
       p.e_nname = pndn;
       rs->sr_err = access_allowed( op, &p,
              children, NULL, ACL_WADD, NULL );

       if ( ! rs->sr_err ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(ndb_back_add) ": no write access to parent\n",
                     0, 0, 0 );
              rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
              rs->sr_text = "no write access to parent";
              goto return_results;
       }

       if ( NA.ocs ) {
              if ( is_entry_subentry( &p )) {
                     /* parent is a subentry, don't allow add */
                     Debug( LDAP_DEBUG_TRACE,
                            LDAP_XSTRING(ndb_back_add) ": parent is subentry\n",
                            0, 0, 0 );
                     rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
                     rs->sr_text = "parent is a subentry";
                     goto return_results;
              }

              if ( is_entry_alias( &p ) ) {
                     /* parent is an alias, don't allow add */
                     Debug( LDAP_DEBUG_TRACE,
                            LDAP_XSTRING(ndb_back_add) ": parent is alias\n",
                            0, 0, 0 );
                     rs->sr_err = LDAP_ALIAS_PROBLEM;
                     rs->sr_text = "parent is an alias";
                     goto return_results;
              }

              if ( is_entry_referral( &p ) ) {
                     /* parent is a referral, don't allow add */
                     rs->sr_matched = p.e_name.bv_val;
                     goto is_ref;
              }
       }

       rs->sr_err = access_allowed( op, op->ora_e,
              entry, NULL, ACL_WADD, NULL );

       if ( ! rs->sr_err ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(ndb_back_add) ": no write access to entry\n",
                     0, 0, 0 );
              rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
              rs->sr_text = "no write access to entry";
              goto return_results;;
       }

       /* 
        * Check ACL for attribute write access
        */
       if (!acl_check_modlist(op, op->ora_e, op->ora_modlist)) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(bdb_add) ": no write access to attribute\n",
                     0, 0, 0 );
              rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
              rs->sr_text = "no write access to attribute";
              goto return_results;;
       }


       /* acquire entry ID */
       if ( op->ora_e->e_id == NOID ) {
              rs->sr_err = ndb_next_id( op->o_bd, NA.ndb, &op->ora_e->e_id );
              if( rs->sr_err != 0 ) {
                     Debug( LDAP_DEBUG_TRACE,
                            LDAP_XSTRING(ndb_back_add) ": next_id failed (%d)\n",
                            rs->sr_err, 0, 0 );
                     rs->sr_err = LDAP_OTHER;
                     rs->sr_text = "internal error";
                     goto return_results;
              }
       }

       if ( matched.bv_val )
              rdns.nr_num++;
       NA.e = op->ora_e;
       /* dn2id index */
       rs->sr_err = ndb_entry_put_info( op->o_bd, &NA, 0 );
       if ( rs->sr_err ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(ndb_back_add) ": ndb_entry_put_info failed (%d)\n",
                     rs->sr_err, 0, 0 );
              rs->sr_text = "internal error";
              goto return_results;
       }

       /* id2entry index */
       rs->sr_err = ndb_entry_put_data( op->o_bd, &NA );
       if ( rs->sr_err ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(ndb_back_add) ": ndb_entry_put_data failed (%d) %s(%d)\n",
                     rs->sr_err, NA.txn->getNdbError().message, NA.txn->getNdbError().code );
              rs->sr_text = "internal error";
              goto return_results;
       }

       /* post-read */
       if( op->o_postread ) {
              if( postread_ctrl == NULL ) {
                     postread_ctrl = &ctrls[num_ctrls++];
                     ctrls[num_ctrls] = NULL;
              }
              if ( slap_read_controls( op, rs, op->oq_add.rs_e,
                     &slap_post_read_bv, postread_ctrl ) )
              {
                     Debug( LDAP_DEBUG_TRACE,
                            "<=- " LDAP_XSTRING(ndb_back_add) ": post-read "
                            "failed!\n", 0, 0, 0 );
                     if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
                            /* FIXME: is it correct to abort
                             * operation if control fails? */
                            goto return_results;
                     }
              }
       }

       if ( op->o_noop ) {
              if (( rs->sr_err=NA.txn->execute( NdbTransaction::Rollback,
                     NdbOperation::AbortOnError, 1 )) != 0 ) {
                     rs->sr_text = "txn (no-op) failed";
              } else {
                     rs->sr_err = LDAP_X_NO_OPERATION;
              }

       } else {
              if(( rs->sr_err=NA.txn->execute( NdbTransaction::Commit,
                     NdbOperation::AbortOnError, 1 )) != 0 ) {
                     rs->sr_text = "txn_commit failed";
              } else {
                     rs->sr_err = LDAP_SUCCESS;
              }
       }

       if ( rs->sr_err != LDAP_SUCCESS && rs->sr_err != LDAP_X_NO_OPERATION ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(ndb_back_add) ": %s : %s (%d)\n",
                     rs->sr_text, NA.txn->getNdbError().message, NA.txn->getNdbError().code );
              rs->sr_err = LDAP_OTHER;
              goto return_results;
       }
       NA.txn->close();
       NA.txn = NULL;

       Debug(LDAP_DEBUG_TRACE,
              LDAP_XSTRING(ndb_back_add) ": added%s id=%08lx dn=\"%s\"\n",
              op->o_noop ? " (no-op)" : "",
              op->oq_add.rs_e->e_id, op->oq_add.rs_e->e_dn );

       rs->sr_text = NULL;
       if( num_ctrls ) rs->sr_ctrls = ctrls;

return_results:
       success = rs->sr_err;
       send_ldap_result( op, rs );
       slap_graduate_commit_csn( op );

       if( NA.txn != NULL ) {
              NA.txn->execute( Rollback );
              NA.txn->close();
       }

       if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
              slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
              slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
       }

       return rs->sr_err;
}