/* $NetBSD: modify.c,v 1.1.1.6.6.1 2019/08/10 06:17:19 martin Exp $ */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 1999-2019 The OpenLDAP Foundation. * Portions Copyright 2001-2003 Pierangelo Masarati. * Portions Copyright 1999-2003 Howard Chu. * 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 the Howard Chu for inclusion * in OpenLDAP Software and subsequently enhanced by Pierangelo * Masarati. */ #include __RCSID("$NetBSD: modify.c,v 1.1.1.6.6.1 2019/08/10 06:17:19 martin Exp $"); #include "portable.h" #include #include #include #include "slap.h" #include "../back-ldap/back-ldap.h" #include "back-meta.h" int meta_back_modify( Operation *op, SlapReply *rs ) { metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private; metatarget_t *mt; metaconn_t *mc; int rc = 0; LDAPMod **modv = NULL; LDAPMod *mods = NULL; Modifications *ml; int candidate = -1, i; int isupdate; struct berval mdn = BER_BVNULL; struct berval mapped; dncookie dc; int msgid; ldap_back_send_t retrying = LDAP_BACK_RETRYING; LDAPControl **ctrls = NULL; mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR ); if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) { return rs->sr_err; } assert( mc->mc_conns[ candidate ].msc_ld != NULL ); /* * Rewrite the modify dn, if needed */ mt = mi->mi_targets[ candidate ]; dc.target = mt; dc.conn = op->o_conn; dc.rs = rs; dc.ctx = "modifyDN"; if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) { send_ldap_result( op, rs ); goto cleanup; } for ( i = 0, ml = op->orm_modlist; ml; i++ ,ml = ml->sml_next ) ; mods = ch_malloc( sizeof( LDAPMod )*i ); if ( mods == NULL ) { rs->sr_err = LDAP_OTHER; send_ldap_result( op, rs ); goto cleanup; } modv = ( LDAPMod ** )ch_malloc( ( i + 1 )*sizeof( LDAPMod * ) ); if ( modv == NULL ) { rs->sr_err = LDAP_OTHER; send_ldap_result( op, rs ); goto cleanup; } dc.ctx = "modifyAttrDN"; isupdate = be_shadow_update( op ); for ( i = 0, ml = op->orm_modlist; ml; ml = ml->sml_next ) { int j, is_oc = 0; if ( !isupdate && !get_relax( op ) && ml->sml_desc->ad_type->sat_no_user_mod ) { continue; } if ( ml->sml_desc == slap_schema.si_ad_objectClass || ml->sml_desc == slap_schema.si_ad_structuralObjectClass ) { is_oc = 1; mapped = ml->sml_desc->ad_cname; } else { ldap_back_map( &mt->mt_rwmap.rwm_at, &ml->sml_desc->ad_cname, &mapped, BACKLDAP_MAP ); if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) { continue; } } modv[ i ] = &mods[ i ]; mods[ i ].mod_op = ml->sml_op | LDAP_MOD_BVALUES; mods[ i ].mod_type = mapped.bv_val; /* * FIXME: dn-valued attrs should be rewritten * to allow their use in ACLs at the back-ldap * level. */ if ( ml->sml_values != NULL ) { if ( is_oc ) { for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) ; mods[ i ].mod_bvalues = (struct berval **)ch_malloc( ( j + 1 ) * sizeof( struct berval * ) ); for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); ) { struct ldapmapping *mapping; ldap_back_mapping( &mt->mt_rwmap.rwm_oc, &ml->sml_values[ j ], &mapping, BACKLDAP_MAP ); if ( mapping == NULL ) { if ( mt->mt_rwmap.rwm_oc.drop_missing ) { continue; } mods[ i ].mod_bvalues[ j ] = &ml->sml_values[ j ]; } else { mods[ i ].mod_bvalues[ j ] = &mapping->dst; } j++; } mods[ i ].mod_bvalues[ j ] = NULL; } else { if ( ml->sml_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) { ( void )ldap_dnattr_rewrite( &dc, ml->sml_values ); if ( ml->sml_values == NULL ) { continue; } } for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) ; mods[ i ].mod_bvalues = (struct berval **)ch_malloc( ( j + 1 ) * sizeof( struct berval * ) ); for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) { mods[ i ].mod_bvalues[ j ] = &ml->sml_values[ j ]; } mods[ i ].mod_bvalues[ j ] = NULL; } } else { mods[ i ].mod_bvalues = NULL; } i++; } modv[ i ] = 0; retry:; ctrls = op->o_ctrls; rc = meta_back_controls_add( op, rs, mc, candidate, &ctrls ); if ( rc != LDAP_SUCCESS ) { send_ldap_result( op, rs ); goto cleanup; } rs->sr_err = ldap_modify_ext( mc->mc_conns[ candidate ].msc_ld, mdn.bv_val, modv, ctrls, NULL, &msgid ); rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid, mt->mt_timeout[ SLAP_OP_MODIFY ], ( LDAP_BACK_SENDRESULT | retrying ) ); if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) { retrying &= ~LDAP_BACK_RETRYING; if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) { /* if the identity changed, there might be need to re-authz */ (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls ); goto retry; } } cleanup:; (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls ); if ( mdn.bv_val != op->o_req_dn.bv_val ) { free( mdn.bv_val ); BER_BVZERO( &mdn ); } if ( modv != NULL ) { for ( i = 0; modv[ i ]; i++ ) { free( modv[ i ]->mod_bvalues ); } } free( mods ); free( modv ); if ( mc ) { meta_back_release_conn( mi, mc ); } return rs->sr_err; }