Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 211 insertions, 0 deletions

diff --git a/servers/slapd/back-meta/add.c b/servers/slapd/back-meta/add.c
new file mode 100644
index 0000000..745bc1e
--- /dev/null
+++ b/servers/slapd/back-meta/add.c
@@ -0,0 +1,211 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2021 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_add( Operation *op, SlapReply *rs )
+{
+	metainfo_t	*mi = ( metainfo_t * )op->o_bd->be_private;
+	metatarget_t	*mt;
+	metaconn_t	*mc;
+	int		i, candidate = -1;
+	int		isupdate;
+	Attribute	*a;
+	LDAPMod		**attrs;
+	struct berval	mdn = BER_BVNULL, mapped;
+	dncookie	dc;
+	int		msgid;
+	ldap_back_send_t	retrying = LDAP_BACK_RETRYING;
+	LDAPControl	**ctrls = NULL;
+
+	Debug(LDAP_DEBUG_ARGS, "==> meta_back_add: %s\n",
+			op->o_req_dn.bv_val, 0, 0 );
+
+	/*
+	 * get the current connection
+	 */
+	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 add dn, if needed
+	 */
+	mt = mi->mi_targets[ candidate ];
+	dc.target = mt;
+	dc.conn = op->o_conn;
+	dc.rs = rs;
+	dc.ctx = "addDN";
+
+	if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
+		send_ldap_result( op, rs );
+		goto done;
+	}
+
+	/* Count number of attributes in entry ( +1 ) */
+	for ( i = 1, a = op->ora_e->e_attrs; a; i++, a = a->a_next );
+	
+	/* Create array of LDAPMods for ldap_add() */
+	attrs = ch_malloc( sizeof( LDAPMod * )*i );
+
+	dc.ctx = "addAttrDN";
+	isupdate = be_shadow_update( op );
+	for ( i = 0, a = op->ora_e->e_attrs; a; a = a->a_next ) {
+		int			j, is_oc = 0;
+
+		if ( !isupdate && !get_relax( op ) && a->a_desc->ad_type->sat_no_user_mod  )
+		{
+			continue;
+		}
+
+		if ( a->a_desc == slap_schema.si_ad_objectClass 
+				|| a->a_desc == slap_schema.si_ad_structuralObjectClass )
+		{
+			is_oc = 1;
+			mapped = a->a_desc->ad_cname;
+
+		} else {
+			ldap_back_map( &mt->mt_rwmap.rwm_at,
+					&a->a_desc->ad_cname, &mapped, BACKLDAP_MAP );
+			if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) {
+				continue;
+			}
+		}
+
+		attrs[ i ] = ch_malloc( sizeof( LDAPMod ) );
+		if ( attrs[ i ] == NULL ) {
+			continue;
+		}
+		attrs[ i ]->mod_op = LDAP_MOD_BVALUES;
+		attrs[ i ]->mod_type = mapped.bv_val;
+
+		if ( is_oc ) {
+			for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); j++ )
+				;
+
+			attrs[ i ]->mod_bvalues =
+				(struct berval **)ch_malloc( ( j + 1 ) *
+				sizeof( struct berval * ) );
+
+			for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); ) {
+				struct ldapmapping	*mapping;
+
+				ldap_back_mapping( &mt->mt_rwmap.rwm_oc,
+						&a->a_vals[ j ], &mapping, BACKLDAP_MAP );
+
+				if ( mapping == NULL ) {
+					if ( mt->mt_rwmap.rwm_oc.drop_missing ) {
+						continue;
+					}
+					attrs[ i ]->mod_bvalues[ j ] = &a->a_vals[ j ];
+
+				} else {
+					attrs[ i ]->mod_bvalues[ j ] = &mapping->dst;
+				}
+				j++;
+			}
+			attrs[ i ]->mod_bvalues[ j ] = NULL;
+
+		} else {
+			/*
+			 * FIXME: dn-valued attrs should be rewritten
+			 * to allow their use in ACLs at the back-ldap
+			 * level.
+			 */
+			if ( a->a_desc->ad_type->sat_syntax ==
+				slap_schema.si_syn_distinguishedName )
+			{
+				(void)ldap_dnattr_rewrite( &dc, a->a_vals );
+				if ( a->a_vals == NULL ) {
+					continue;
+				}
+			}
+
+			for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); j++ )
+				;
+			
+			attrs[ i ]->mod_bvalues = ch_malloc( ( j + 1 ) * sizeof( struct berval * ) );
+			for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); j++ ) {
+				attrs[ i ]->mod_bvalues[ j ] = &a->a_vals[ j ];
+			}
+			attrs[ i ]->mod_bvalues[ j ] = NULL;
+		}
+		i++;
+	}
+	attrs[ i ] = NULL;
+
+retry:;
+	ctrls = op->o_ctrls;
+	if ( meta_back_controls_add( op, rs, mc, candidate, &ctrls ) != LDAP_SUCCESS )
+	{
+		send_ldap_result( op, rs );
+		goto cleanup;
+	}
+
+	rs->sr_err = ldap_add_ext( mc->mc_conns[ candidate ].msc_ld, mdn.bv_val,
+			      attrs, ctrls, NULL, &msgid );
+	rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid,
+		mt->mt_timeout[ SLAP_OP_ADD ], ( 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 );
+
+	for ( --i; i >= 0; --i ) {
+		free( attrs[ i ]->mod_bvalues );
+		free( attrs[ i ] );
+	}
+	free( attrs );
+	if ( mdn.bv_val != op->ora_e->e_dn ) {
+		free( mdn.bv_val );
+		BER_BVZERO( &mdn );
+	}
+
+done:;
+	if ( mc ) {
+		meta_back_release_conn( mi, mc );
+	}
+
+	return rs->sr_err;
+}
+