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openldap  2.4.31
Functions
modify.c File Reference
#include "portable.h"
#include <stdio.h>
#include <sys/types.h>
#include "ac/string.h"
#include "slap.h"
#include "proto-sql.h"

Go to the source code of this file.

Functions

int backsql_modify (Operation *op, SlapReply *rs)

Function Documentation

int backsql_modify ( Operation op,
SlapReply rs 
)

Definition at line 33 of file modify.c.

{
       backsql_info         *bi = (backsql_info*)op->o_bd->be_private;
       SQLHDBC              dbh = SQL_NULL_HDBC;
       backsql_oc_map_rec   *oc = NULL;
       backsql_srch_info    bsi = { 0 };
       Entry                m = { 0 }, *e = NULL;
       int                  manageDSAit = get_manageDSAit( op );
       SQLUSMALLINT         CompletionType = SQL_ROLLBACK;

       /*
        * FIXME: in case part of the operation cannot be performed
        * (missing mapping, SQL write fails or so) the entire operation
        * should be rolled-back
        */
       Debug( LDAP_DEBUG_TRACE, "==>backsql_modify(): modifying entry \"%s\"\n",
              op->o_req_ndn.bv_val, 0, 0 );

       rs->sr_err = backsql_get_db_conn( op, &dbh );
       if ( rs->sr_err != LDAP_SUCCESS ) {
              Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
                     "could not get connection handle - exiting\n", 
                     0, 0, 0 );
              /*
               * FIXME: we don't want to send back 
               * excessively detailed messages
               */
              rs->sr_text = ( rs->sr_err == LDAP_OTHER )
                     ? "SQL-backend error" : NULL;
              goto done;
       }

       bsi.bsi_e = &m;
       rs->sr_err = backsql_init_search( &bsi, &op->o_req_ndn,
                     LDAP_SCOPE_BASE, 
                     (time_t)(-1), NULL, dbh, op, rs,
                     slap_anlist_all_attributes,
                     ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY | BACKSQL_ISF_GET_OC ) );
       switch ( rs->sr_err ) {
       case LDAP_SUCCESS:
              break;

       case LDAP_REFERRAL:
              if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
                            dn_match( &op->o_req_ndn, &bsi.bsi_e->e_nname ) )
              {
                     rs->sr_err = LDAP_SUCCESS;
                     rs->sr_text = NULL;
                     rs->sr_matched = NULL;
                     if ( rs->sr_ref ) {
                            ber_bvarray_free( rs->sr_ref );
                            rs->sr_ref = NULL;
                     }
                     break;
              }
              e = &m;
              /* fallthru */

       default:
              Debug( LDAP_DEBUG_TRACE, "backsql_modify(): "
                     "could not retrieve modifyDN ID - no such entry\n", 
                     0, 0, 0 );
              if ( !BER_BVISNULL( &m.e_nname ) ) {
                     /* FIXME: should always be true! */
                     e = &m;

              } else {
                     e = NULL;
              }
              goto done;
       }

       Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
              "modifying entry \"%s\" (id=" BACKSQL_IDFMT ")\n", 
              bsi.bsi_base_id.eid_dn.bv_val,
              BACKSQL_IDARG(bsi.bsi_base_id.eid_id), 0 );

       if ( get_assert( op ) &&
                     ( test_filter( op, &m, get_assertion( op ) )
                       != LDAP_COMPARE_TRUE ))
       {
              rs->sr_err = LDAP_ASSERTION_FAILED;
              e = &m;
              goto done;
       }

       slap_mods_opattrs( op, &op->orm_modlist, 1 );

       assert( bsi.bsi_base_id.eid_oc != NULL );
       oc = bsi.bsi_base_id.eid_oc;

       if ( !acl_check_modlist( op, &m, op->orm_modlist ) ) {
              rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
              e = &m;
              goto done;
       }

       rs->sr_err = backsql_modify_internal( op, rs, dbh, oc,
                     &bsi.bsi_base_id, op->orm_modlist );
       if ( rs->sr_err != LDAP_SUCCESS ) {
              e = &m;
              goto do_transact;
       }

       if ( BACKSQL_CHECK_SCHEMA( bi ) ) {
              char          textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' };

              backsql_entry_clean( op, &m );

              bsi.bsi_e = &m;
              rs->sr_err = backsql_id2entry( &bsi, &bsi.bsi_base_id );
              if ( rs->sr_err != LDAP_SUCCESS ) {
                     e = &m;
                     goto do_transact;
              }

              rs->sr_err = entry_schema_check( op, &m, NULL, 0, 0, NULL,
                     &rs->sr_text, textbuf, sizeof( textbuf ) );
              if ( rs->sr_err != LDAP_SUCCESS ) {
                     Debug( LDAP_DEBUG_TRACE, "   backsql_modify(\"%s\"): "
                            "entry failed schema check -- aborting\n",
                            m.e_name.bv_val, 0, 0 );
                     e = NULL;
                     goto do_transact;
              }
       }

do_transact:;
       /*
        * Commit only if all operations succeed
        */
       if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
              assert( e == NULL );
              CompletionType = SQL_COMMIT;
       }

       SQLTransact( SQL_NULL_HENV, dbh, CompletionType );

done:;
       if ( e != NULL ) {
              if ( !access_allowed( op, e, slap_schema.si_ad_entry, NULL,
                                   ACL_DISCLOSE, NULL ) )
              {
                     rs->sr_err = LDAP_NO_SUCH_OBJECT;
                     rs->sr_text = NULL;
                     rs->sr_matched = NULL;
                     if ( rs->sr_ref ) {
                            ber_bvarray_free( rs->sr_ref );
                            rs->sr_ref = NULL;
                     }
              }
       }

       if ( op->o_noop && rs->sr_err == LDAP_SUCCESS ) {
              rs->sr_err = LDAP_X_NO_OPERATION;
       }

       send_ldap_result( op, rs );
       slap_graduate_commit_csn( op );

       if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
              (void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
       }

       if ( !BER_BVISNULL( &m.e_nname ) ) {
              backsql_entry_clean( op, &m );
       }

       if ( bsi.bsi_attrs != NULL ) {
              op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
       }

       if ( rs->sr_ref ) {
              ber_bvarray_free( rs->sr_ref );
              rs->sr_ref = NULL;
       }

       Debug( LDAP_DEBUG_TRACE, "<==backsql_modify()\n", 0, 0, 0 );

       return rs->sr_err;
}