diff options
Diffstat (limited to 'servers/slapd/back-sql/modify.c')
| -rw-r--r-- | servers/slapd/back-sql/modify.c | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/servers/slapd/back-sql/modify.c b/servers/slapd/back-sql/modify.c new file mode 100644 index 0000000..ece0aa9 --- /dev/null +++ b/servers/slapd/back-sql/modify.c @@ -0,0 +1,214 @@ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 1999-2018 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 + * <http://www.OpenLDAP.org/license.html>. + */ +/* ACKNOWLEDGEMENTS: + * This work was initially developed by Dmitry Kovalev for inclusion + * by OpenLDAP Software. Additional significant contributors include + * Pierangelo Masarati. + */ + +#include "portable.h" + +#include <stdio.h> +#include <sys/types.h> +#include "ac/string.h" + +#include "slap.h" +#include "proto-sql.h" + +int +backsql_modify( Operation *op, SlapReply *rs ) +{ + 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; +} + |