/* $OpenLDAP: pkg/ldap/servers/slapd/back-sql/compare.c,v 1.10.2.5 2007/01/02 21:44:07 kurt Exp $ */ /* This work is part of OpenLDAP Software . * * Copyright 1999-2007 The OpenLDAP Foundation. * Portions Copyright 1999 Dmitry Kovalev. * Portions Copyright 2002 Pierangelo Masarati. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted only as authorized by the OpenLDAP * Public License. * * A copy of this license is available in the file LICENSE in the * top-level directory of the distribution or, alternatively, at * . */ /* ACKNOWLEDGEMENTS: * This work was initially developed by Dmitry Kovalev for inclusion * by OpenLDAP Software. Additional significant contributors include * Pierangelo Masarati. */ #include "portable.h" #include #include #include "slap.h" #include "proto-sql.h" int backsql_compare( Operation *op, SlapReply *rs ) { SQLHDBC dbh = SQL_NULL_HDBC; Entry e = { 0 }; Attribute *a = NULL; backsql_srch_info bsi = { 0 }; int rc; int manageDSAit = get_manageDSAit( op ); AttributeName anlist[2]; Debug( LDAP_DEBUG_TRACE, "==>backsql_compare()\n", 0, 0, 0 ); rs->sr_err = backsql_get_db_conn( op, &dbh ); if ( !dbh ) { Debug( LDAP_DEBUG_TRACE, "backsql_compare(): " "could not get connection handle - exiting\n", 0, 0, 0 ); rs->sr_text = ( rs->sr_err == LDAP_OTHER ) ? "SQL-backend error" : NULL; goto return_results; } anlist[ 0 ].an_name = op->oq_compare.rs_ava->aa_desc->ad_cname; anlist[ 0 ].an_desc = op->oq_compare.rs_ava->aa_desc; BER_BVZERO( &anlist[ 1 ].an_name ); /* * Get the entry */ bsi.bsi_e = &e; rc = backsql_init_search( &bsi, &op->o_req_ndn, LDAP_SCOPE_BASE, (time_t)(-1), NULL, dbh, op, rs, anlist, ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) ); switch ( rc ) { 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; } /* fallthru */ default: Debug( LDAP_DEBUG_TRACE, "backsql_compare(): " "could not retrieve compareDN ID - no such entry\n", 0, 0, 0 ); goto return_results; } if ( get_assert( op ) && ( test_filter( op, &e, get_assertion( op ) ) != LDAP_COMPARE_TRUE ) ) { rs->sr_err = LDAP_ASSERTION_FAILED; goto return_results; } if ( is_at_operational( op->oq_compare.rs_ava->aa_desc->ad_type ) ) { SlapReply nrs = { 0 }; Attribute **ap; for ( ap = &e.e_attrs; *ap; ap = &(*ap)->a_next ) ; nrs.sr_attrs = anlist; nrs.sr_entry = &e; nrs.sr_attr_flags = SLAP_OPATTRS_NO; nrs.sr_operational_attrs = NULL; rs->sr_err = backsql_operational( op, &nrs ); if ( rs->sr_err != LDAP_SUCCESS ) { goto return_results; } *ap = nrs.sr_operational_attrs; } if ( ! access_allowed( op, &e, op->oq_compare.rs_ava->aa_desc, &op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL ) ) { rs->sr_err = LDAP_INSUFFICIENT_ACCESS; goto return_results; } rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE; for ( a = attrs_find( e.e_attrs, op->oq_compare.rs_ava->aa_desc ); a != NULL; a = attrs_find( a->a_next, op->oq_compare.rs_ava->aa_desc ) ) { rs->sr_err = LDAP_COMPARE_FALSE; if ( value_find_ex( op->oq_compare.rs_ava->aa_desc, SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH, a->a_nvals, &op->oq_compare.rs_ava->aa_value, op->o_tmpmemctx ) == 0 ) { rs->sr_err = LDAP_COMPARE_TRUE; break; } } return_results:; switch ( rs->sr_err ) { case LDAP_COMPARE_TRUE: case LDAP_COMPARE_FALSE: break; default: #ifdef SLAP_ACL_HONOR_DISCLOSE if ( !BER_BVISNULL( &e.e_nname ) && ! access_allowed( op, &e, slap_schema.si_ad_entry, NULL, ACL_DISCLOSE, NULL ) ) { rs->sr_err = LDAP_NO_SUCH_OBJECT; rs->sr_text = NULL; } #endif /* SLAP_ACL_HONOR_DISCLOSE */ break; } send_ldap_result( op, rs ); if ( rs->sr_matched ) { rs->sr_matched = NULL; } if ( rs->sr_ref ) { ber_bvarray_free( rs->sr_ref ); rs->sr_ref = NULL; } if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) { (void)backsql_free_entryID( op, &bsi.bsi_base_id, 0 ); } if ( !BER_BVISNULL( &e.e_nname ) ) { backsql_entry_clean( op, &e ); } if ( bsi.bsi_attrs != NULL ) { op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx ); } Debug(LDAP_DEBUG_TRACE,"<==backsql_compare()\n",0,0,0); switch ( rs->sr_err ) { case LDAP_COMPARE_TRUE: case LDAP_COMPARE_FALSE: return LDAP_SUCCESS; default: return rs->sr_err; } }