diff options
Diffstat (limited to 'servers/slapd/back-meta/modify.c')
| -rw-r--r-- | servers/slapd/back-meta/modify.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/servers/slapd/back-meta/modify.c b/servers/slapd/back-meta/modify.c new file mode 100644 index 0000000..459e835 --- /dev/null +++ b/servers/slapd/back-meta/modify.c @@ -0,0 +1,210 @@ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 1999-2022 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 + * <http://www.OpenLDAP.org/license.html>. + */ +/* ACKNOWLEDGEMENTS: + * This work was initially developed by the Howard Chu for inclusion + * in OpenLDAP Software and subsequently enhanced by Pierangelo + * Masarati. + */ + +#include "portable.h" + +#include <stdio.h> + +#include <ac/string.h> +#include <ac/socket.h> + +#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 ) + ; + + modv = ch_malloc( ( i + 1 )*sizeof( LDAPMod * ) + i*sizeof( LDAPMod ) ); + mods = (LDAPMod *)&modv[ i + 1 ]; + + 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++ ) { + ch_free( modv[ i ]->mod_bvalues ); + } + } + ch_free( modv ); + + if ( mc ) { + meta_back_release_conn( mi, mc ); + } + + return rs->sr_err; +} + |