--- /dev/null
+/* dynlist.c - dynamic list overlay */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2003-2005 The OpenLDAP Foundation.
+ * Portions Copyright 2004-2005 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 Pierangelo Masarati
+ * for SysNet s.n.c., for inclusion in OpenLDAP Software.
+ */
+
+#include "portable.h"
+
+#ifdef SLAPD_OVER_DYNLIST
+
+#include <stdio.h>
+
+#include <ac/string.h>
+
+#include "slap.h"
+#include "lutil.h"
+
+/* FIXME: the code differs if SLAP_OPATTRS is defined or not;
+ * SLAP_OPATTRS is not defined in 2.2 yet, while this overlay
+ * expects HEAD code at least later than August 6, 2004. */
+
+typedef struct dynlist_info {
+ ObjectClass *dli_oc;
+ AttributeDescription *dli_ad;
+ AttributeDescription *dli_member_ad;
+ struct berval dli_default_filter;
+} dynlist_info;
+
+static int
+dynlist_is_dynlist( Operation *op, SlapReply *rs )
+{
+ slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
+ dynlist_info *dli = (dynlist_info *)on->on_bi.bi_private;
+
+ Attribute *a;
+
+ a = attrs_find( rs->sr_entry->e_attrs, slap_schema.si_ad_objectClass );
+ if ( a == NULL ) {
+ /* FIXME: objectClass must be present; for non-storage
+ * backends, like back-ldap, it needs to be added
+ * to the requested attributes */
+ return 0;
+ }
+
+ if ( value_find_ex( slap_schema.si_ad_objectClass,
+ SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
+ SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
+ a->a_nvals, &dli->dli_oc->soc_cname,
+ op->o_tmpmemctx ) == 0 )
+ {
+ return 1;
+ }
+
+ return 0;
+}
+
+static int
+dynlist_make_filter( Operation *op, struct berval *oldf, struct berval *newf )
+{
+ slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
+ dynlist_info *dli = (dynlist_info *)on->on_bi.bi_private;
+
+ char *ptr;
+
+ assert( oldf );
+ assert( newf );
+ assert( !BER_BVISNULL( oldf ) );
+ assert( !BER_BVISEMPTY( oldf ) );
+
+ newf->bv_len = STRLENOF( "(&(!(objectClass=" "))" ")" )
+ + dli->dli_oc->soc_cname.bv_len + oldf->bv_len;
+ newf->bv_val = op->o_tmpalloc( newf->bv_len + 1, op->o_tmpmemctx );
+ if ( newf->bv_val == NULL ) {
+ return -1;
+ }
+ ptr = lutil_strcopy( newf->bv_val, "(&(!(objectClass=" );
+ ptr = lutil_strcopy( ptr, dli->dli_oc->soc_cname.bv_val );
+ ptr = lutil_strcopy( ptr, "))" );
+ ptr = lutil_strcopy( ptr, oldf->bv_val );
+ ptr = lutil_strcopy( ptr, ")" );
+ newf->bv_len = ptr - newf->bv_val;
+
+ return 0;
+}
+
+typedef struct dynlist_sc_t {
+ dynlist_info *dlc_dli;
+ Entry *dlc_e;
+} dynlist_sc_t;
+
+static int
+dynlist_sc_update( Operation *op, SlapReply *rs )
+{
+ Entry *e;
+ Attribute *a;
+ int opattrs,
+ userattrs;
+ AccessControlState acl_state = ACL_STATE_INIT;
+
+ dynlist_sc_t *dlc;
+
+ if ( rs->sr_type != REP_SEARCH ) {
+ return 0;
+ }
+
+ dlc = (dynlist_sc_t *)op->o_callback->sc_private;
+ e = dlc->dlc_e;
+
+ assert( e != NULL );
+ assert( rs->sr_entry != NULL );
+
+ /* test access to entry */
+ if ( !access_allowed( op, rs->sr_entry, slap_schema.si_ad_entry,
+ NULL, ACL_READ, NULL ) )
+ {
+ goto done;
+ }
+
+ if ( dlc->dlc_dli->dli_member_ad ) {
+
+ /* if access allowed, try to add values, emulating permissive
+ * control to silently ignore duplicates */
+ if ( access_allowed( op, rs->sr_entry, slap_schema.si_ad_entry,
+ NULL, ACL_READ, NULL ) )
+ {
+ Modification mod;
+ const char *text = NULL;
+ char textbuf[1024];
+ struct berval vals[ 2 ], nvals[ 2 ];
+
+ vals[ 0 ] = rs->sr_entry->e_name;
+ BER_BVZERO( &vals[ 1 ] );
+ nvals[ 0 ] = rs->sr_entry->e_nname;
+ BER_BVZERO( &nvals[ 1 ] );
+
+ mod.sm_op = LDAP_MOD_ADD;
+ mod.sm_desc = dlc->dlc_dli->dli_member_ad;
+ mod.sm_type = dlc->dlc_dli->dli_member_ad->ad_cname;
+ mod.sm_values = vals;
+ mod.sm_nvalues = nvals;
+
+ (void)modify_add_values( e, &mod, /* permissive */ 1,
+ &text, textbuf, sizeof( textbuf ) );
+ }
+
+ goto done;
+ }
+
+#ifndef SLAP_OPATTRS
+ opattrs = ( rs->sr_attrs == NULL ) ? 0 : an_find( rs->sr_attrs, &AllOper );
+ userattrs = ( rs->sr_attrs == NULL ) ? 1 : an_find( rs->sr_attrs, &AllUser );
+#else /* SLAP_OPATTRS */
+ opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
+ userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
+#endif /* SLAP_OPATTRS */
+
+ for ( a = rs->sr_entry->e_attrs; a != NULL; a = a->a_next ) {
+ BerVarray vals, nvals = NULL;
+ int i, j;
+
+ /* if attribute is not requested, skip it */
+ if ( rs->sr_attrs == NULL ) {
+ if ( is_at_operational( a->a_desc->ad_type ) ) {
+ continue;
+ }
+
+ } else {
+ if ( is_at_operational( a->a_desc->ad_type ) ) {
+ if ( !opattrs && !ad_inlist( a->a_desc, rs->sr_attrs ) )
+ {
+ continue;
+ }
+
+ } else {
+ if ( !userattrs && !ad_inlist( a->a_desc, rs->sr_attrs ) )
+ {
+ continue;
+ }
+ }
+ }
+
+ /* test access to attribute */
+ if ( op->ors_attrsonly ) {
+ if ( !access_allowed( op, rs->sr_entry, a->a_desc, NULL,
+ ACL_READ, &acl_state ) )
+ {
+ continue;
+ }
+ }
+
+ /* single-value check: keep first only */
+ if ( is_at_single_value( a->a_desc->ad_type ) ) {
+ if ( attr_find( e->e_attrs, a->a_desc ) != NULL ) {
+ continue;
+ }
+ }
+
+ /* test access to attribute */
+ for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ )
+ /* jst count */ ;
+
+ vals = op->o_tmpalloc( ( i + 1 ) * sizeof( struct berval ), op->o_tmpmemctx );
+ if ( a->a_nvals != a->a_vals ) {
+ nvals = op->o_tmpalloc( ( i + 1 ) * sizeof( struct berval ), op->o_tmpmemctx );
+ }
+
+ for ( i = 0, j = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
+ if ( access_allowed( op, rs->sr_entry, a->a_desc,
+ &a->a_nvals[i], ACL_READ, &acl_state ) )
+ {
+ vals[j] = a->a_vals[i];
+ if ( nvals ) {
+ nvals[j] = a->a_nvals[i];
+ }
+ j++;
+ }
+ }
+
+ /* if access allowed, try to add values, emulating permissive
+ * control to silently ignore duplicates */
+ if ( j != 0 ) {
+ Modification mod;
+ const char *text = NULL;
+ char textbuf[1024];
+
+ BER_BVZERO( &vals[j] );
+ if ( nvals ) {
+ BER_BVZERO( &nvals[j] );
+ }
+
+ mod.sm_op = LDAP_MOD_ADD;
+ mod.sm_desc = a->a_desc;
+ mod.sm_type = a->a_desc->ad_cname;
+ mod.sm_values = vals;
+ mod.sm_nvalues = nvals;
+
+ (void)modify_add_values( e, &mod, /* permissive */ 1,
+ &text, textbuf, sizeof( textbuf ) );
+ }
+
+ op->o_tmpfree( vals, op->o_tmpmemctx );
+ if ( nvals ) {
+ op->o_tmpfree( nvals, op->o_tmpmemctx );
+ }
+ }
+
+done:;
+ if ( rs->sr_flags & REP_ENTRY_MUSTBEFREED ) {
+ entry_free( rs->sr_entry );
+ }
+
+ return 0;
+}
+
+static int
+dynlist_send_entry( Operation *op, SlapReply *rs )
+{
+ slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
+ dynlist_info *dli = (dynlist_info *)on->on_bi.bi_private;
+
+ Attribute *a;
+ slap_callback cb;
+ Operation o = *op;
+ SlapReply r = *rs;
+ struct berval *url;
+ Entry *e;
+ int e_flags;
+ int opattrs,
+ userattrs;
+ dynlist_sc_t dlc = { 0 };
+
+ a = attrs_find( rs->sr_entry->e_attrs, dli->dli_ad );
+ if ( a == NULL ) {
+ /* FIXME: error? */
+ return SLAP_CB_CONTINUE;
+ }
+
+ e = entry_dup( rs->sr_entry );
+ e_flags = rs->sr_flags | ( REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED );
+
+ dlc.dlc_e = e;
+ dlc.dlc_dli = dli;
+ cb.sc_private = &dlc;
+ cb.sc_response = dynlist_sc_update;
+ cb.sc_cleanup = NULL;
+ cb.sc_next = NULL;
+
+ o.o_callback = &cb;
+ o.ors_limit = NULL;
+ o.ors_tlimit = SLAP_NO_LIMIT;
+ o.ors_slimit = SLAP_NO_LIMIT;
+
+#ifndef SLAP_OPATTRS
+ opattrs = ( rs->sr_attrs == NULL ) ? 0 : an_find( rs->sr_attrs, &AllOper );
+ userattrs = ( rs->sr_attrs == NULL ) ? 1 : an_find( rs->sr_attrs, &AllUser );
+#else /* SLAP_OPATTRS */
+ opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
+ userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
+#endif /* SLAP_OPATTRS */
+
+ for ( url = a->a_nvals; !BER_BVISNULL( url ); url++ ) {
+ LDAPURLDesc *lud = NULL;
+ int i, j;
+ struct berval dn;
+ int rc;
+
+ BER_BVZERO( &o.o_req_dn );
+ BER_BVZERO( &o.o_req_ndn );
+ o.ors_filter = NULL;
+ o.ors_attrs = NULL;
+ BER_BVZERO( &o.ors_filterstr );
+
+ if ( ldap_url_parse( url->bv_val, &lud ) != LDAP_URL_SUCCESS ) {
+ /* FIXME: error? */
+ continue;
+ }
+
+ if ( lud->lud_host ) {
+ /* FIXME: host not allowed; reject as illegal? */
+ Debug( LDAP_DEBUG_ANY, "dynlist_send_entry(\"%s\"): "
+ "illegal URI \"%s\"\n",
+ e->e_name.bv_val, url->bv_val, 0 );
+ goto cleanup;
+ }
+
+ if ( lud->lud_dn == NULL ) {
+ /* note that an empty base is not honored in terms
+ * of defaultSearchBase, because select_backend()
+ * is not aware of the defaultSearchBase option;
+ * this can be useful in case of a database serving
+ * the empty suffix */
+ BER_BVSTR( &dn, "" );
+ } else {
+ ber_str2bv( lud->lud_dn, 0, 0, &dn );
+ }
+ rc = dnPrettyNormal( NULL, &dn, &o.o_req_dn, &o.o_req_ndn, op->o_tmpmemctx );
+ if ( rc != LDAP_SUCCESS ) {
+ /* FIXME: error? */
+ goto cleanup;
+ }
+ o.ors_scope = lud->lud_scope;
+
+ if ( dli->dli_member_ad != NULL ) {
+ o.ors_attrs = slap_anlist_no_attrs;
+
+ } else if ( lud->lud_attrs == NULL ) {
+ o.ors_attrs = rs->sr_attrs;
+
+ } else {
+ for ( i = 0; lud->lud_attrs[i]; i++)
+ /* just count */ ;
+
+ o.ors_attrs = op->o_tmpcalloc( i + 1, sizeof( AttributeName ), op->o_tmpmemctx );
+ for ( i = 0, j = 0; lud->lud_attrs[i]; i++) {
+ const char *text = NULL;
+
+ ber_str2bv( lud->lud_attrs[i], 0, 0, &o.ors_attrs[j].an_name );
+ o.ors_attrs[j].an_desc = NULL;
+ (void)slap_bv2ad( &o.ors_attrs[j].an_name, &o.ors_attrs[j].an_desc, &text );
+ /* FIXME: ignore errors... */
+
+ if ( rs->sr_attrs == NULL ) {
+ if ( o.ors_attrs[j].an_desc != NULL &&
+ is_at_operational( o.ors_attrs[j].an_desc->ad_type ) )
+ {
+ continue;
+ }
+
+ } else {
+ if ( o.ors_attrs[j].an_desc != NULL &&
+ is_at_operational( o.ors_attrs[j].an_desc->ad_type ) )
+ {
+ if ( !opattrs && !ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) )
+ {
+ continue;
+ }
+
+ } else {
+ if ( !userattrs &&
+ o.ors_attrs[j].an_desc != NULL &&
+ !ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) )
+ {
+ continue;
+ }
+ }
+ }
+
+ j++;
+ }
+
+ if ( j == 0 ) {
+ goto cleanup;
+ }
+
+ BER_BVZERO( &o.ors_attrs[j].an_name );
+ }
+
+ if ( lud->lud_filter == NULL ) {
+ ber_dupbv_x( &o.ors_filterstr,
+ &dli->dli_default_filter, op->o_tmpmemctx );
+ } else {
+ struct berval flt;
+ ber_str2bv( lud->lud_filter, 0, 0, &flt );
+ if ( dynlist_make_filter( op, &flt, &o.ors_filterstr ) ) {
+ /* error */
+ goto cleanup;
+ }
+ }
+ o.ors_filter = str2filter_x( op, o.ors_filterstr.bv_val );
+ if ( o.ors_filter == NULL ) {
+ goto cleanup;
+ }
+
+ o.o_bd = select_backend( &o.o_req_ndn, 0, 1 );
+ if ( o.o_bd && o.o_bd->be_search ) {
+#ifdef SLAP_OPATTRS
+ r.sr_attr_flags = slap_attr_flags( o.ors_attrs );
+#endif /* SLAP_OPATTRS */
+ (void)o.o_bd->be_search( &o, &r );
+ }
+
+cleanup:;
+ if ( o.ors_filter ) {
+ filter_free_x( &o, o.ors_filter );
+ }
+ if ( o.ors_attrs && o.ors_attrs != rs->sr_attrs
+ && o.ors_attrs != slap_anlist_no_attrs )
+ {
+ op->o_tmpfree( o.ors_attrs, op->o_tmpmemctx );
+ }
+ if ( !BER_BVISNULL( &o.o_req_dn ) ) {
+ op->o_tmpfree( o.o_req_dn.bv_val, op->o_tmpmemctx );
+ }
+ if ( !BER_BVISNULL( &o.o_req_ndn ) ) {
+ op->o_tmpfree( o.o_req_ndn.bv_val, op->o_tmpmemctx );
+ }
+ if ( o.ors_filterstr.bv_val != lud->lud_filter ) {
+ op->o_tmpfree( o.ors_filterstr.bv_val, op->o_tmpmemctx );
+ lud->lud_filter = NULL;
+ }
+ if ( lud ) {
+ ldap_free_urldesc( lud );
+ }
+ }
+
+ rs->sr_entry = e;
+ rs->sr_flags = e_flags;
+
+ return SLAP_CB_CONTINUE;
+}
+
+static int
+dynlist_sc_save_entry( Operation *op, SlapReply *rs )
+{
+ /* save the entry in the private field of the callback,
+ * so it doesn't get freed (it's temporary!) */
+ if ( rs->sr_entry != NULL ) {
+ dynlist_sc_t *dlc = (dynlist_sc_t *)op->o_callback->sc_private;
+ dlc->dlc_e = rs->sr_entry;
+ rs->sr_entry = NULL;
+ }
+
+ return 0;
+}
+
+static int
+dynlist_compare( Operation *op, SlapReply *rs )
+{
+ slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
+ dynlist_info *dli = (dynlist_info *)on->on_bi.bi_private;
+
+ Attribute *a;
+ slap_callback cb;
+ Operation o = *op;
+ SlapReply r = { REP_SEARCH };
+ AttributeName an[2];
+ int rc;
+ dynlist_sc_t dlc = { 0 };
+
+ dlc.dlc_dli = dli;
+ cb.sc_private = &dlc;
+ cb.sc_response = dynlist_sc_save_entry;
+ cb.sc_cleanup = NULL;
+ cb.sc_next = NULL;
+ o.o_callback = &cb;
+
+ o.o_tag = LDAP_REQ_SEARCH;
+ o.ors_limit = NULL;
+ o.ors_tlimit = SLAP_NO_LIMIT;
+ o.ors_slimit = SLAP_NO_LIMIT;
+
+ o.o_bd = select_backend( &o.o_req_ndn, 0, 1 );
+ if ( !o.o_bd || !o.o_bd->be_search ) {
+ return SLAP_CB_CONTINUE;
+ }
+
+ BER_BVSTR( &o.ors_filterstr, "(objectClass=*)" );
+ o.ors_filter = str2filter_x( op, o.ors_filterstr.bv_val );
+ if ( o.ors_filter == NULL ) {
+ /* FIXME: error? */
+ return SLAP_CB_CONTINUE;
+ }
+
+ o.ors_scope = LDAP_SCOPE_BASE;
+ an[0].an_name = op->orc_ava->aa_desc->ad_cname;
+ an[0].an_desc = op->orc_ava->aa_desc;
+ BER_BVZERO( &an[1].an_name );
+ o.ors_attrs = an;
+ o.ors_attrsonly = 0;
+
+ rc = o.o_bd->be_search( &o, &r );
+ filter_free_x( &o, o.ors_filter );
+
+ if ( rc != 0 ) {
+ return rc;
+ }
+
+ if ( dlc.dlc_e != NULL ) {
+ r.sr_entry = dlc.dlc_e;
+ }
+
+ if ( r.sr_err != LDAP_SUCCESS || r.sr_entry == NULL ) {
+ /* error? */
+ return SLAP_CB_CONTINUE;
+ }
+
+ /* if we're here, we got a match... */
+ rs->sr_err = LDAP_COMPARE_FALSE;
+ for ( a = attrs_find( r.sr_entry->e_attrs, op->orc_ava->aa_desc );
+ a != NULL;
+ a = attrs_find( a->a_next, op->orc_ava->aa_desc ) )
+ {
+ if ( value_find_ex( op->orc_ava->aa_desc,
+ SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
+ SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
+ a->a_nvals, &op->orc_ava->aa_value, op->o_tmpmemctx ) == 0 )
+ {
+ rs->sr_err = LDAP_COMPARE_TRUE;
+ break;
+ }
+ }
+
+ if ( r.sr_flags & REP_ENTRY_MUSTBEFREED ) {
+ entry_free( r.sr_entry );
+ }
+
+ return SLAP_CB_CONTINUE;
+}
+
+static int
+dynlist_response( Operation *op, SlapReply *rs )
+{
+ switch ( op->o_tag ) {
+ case LDAP_REQ_SEARCH:
+ if ( rs->sr_type == REP_SEARCH && !get_manageDSAit( op ) )
+ {
+ if ( dynlist_is_dynlist( op, rs ) ) {
+ return dynlist_send_entry( op, rs );
+ }
+ }
+ break;
+
+ case LDAP_REQ_COMPARE:
+ if ( rs->sr_err == LDAP_NO_SUCH_ATTRIBUTE ) {
+ return dynlist_compare( op, rs );
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return SLAP_CB_CONTINUE;
+}
+
+static int
+dynlist_db_config(
+ BackendDB *be,
+ const char *fname,
+ int lineno,
+ int argc,
+ char **argv
+)
+{
+ slap_overinst *on = (slap_overinst *)be->bd_info;
+ dynlist_info *dli = (dynlist_info *)on->on_bi.bi_private;
+
+ int rc = 0;
+
+ if ( strcasecmp( argv[0], "dynlist-oc" ) == 0 ) {
+ if ( argc != 2 ) {
+ fprintf( stderr, "dynlist-oc <oc>\n" );
+ return 1;
+ }
+ dli->dli_oc = oc_find( argv[1] );
+ if ( dli->dli_oc == NULL ) {
+ fprintf( stderr, "dynlist-oc <oc>: "
+ "unable to find ObjectClass "
+ "\"%s\"\n", argv[1] );
+ return 1;
+ }
+
+ } else if ( strcasecmp( argv[0], "dynlist-ad" ) == 0 ) {
+ const char *text;
+
+ if ( argc != 2 ) {
+ fprintf( stderr, "dynlist-ad <ad>\n" );
+ return 1;
+ }
+ dli->dli_ad = NULL;
+ rc = slap_str2ad( argv[1], &dli->dli_ad, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ fprintf( stderr, "dynlist-ad <ad>: "
+ "unable to find AttributeDescription "
+ "\"%s\"\n", argv[1] );
+ return 1;
+ }
+
+ } else if ( strcasecmp( argv[0], "dynlist-member-ad" ) == 0 ) {
+ const char *text;
+
+ if ( argc != 2 ) {
+ fprintf( stderr, "dynlist-member-ad <ad>\n" );
+ return 1;
+ }
+ dli->dli_member_ad = NULL;
+ rc = slap_str2ad( argv[1], &dli->dli_member_ad, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ fprintf( stderr, "dynlist-member-ad <ad>: "
+ "unable to find AttributeDescription "
+ "\"%s\"\n", argv[1] );
+ return 1;
+ }
+
+ } else {
+ rc = SLAP_CONF_UNKNOWN;
+ }
+
+ return rc;
+}
+
+static int
+dynlist_db_init(
+ BackendDB *be
+)
+{
+ slap_overinst *on = (slap_overinst *) be->bd_info;
+ dynlist_info *dli;
+
+ dli = (dynlist_info *)ch_malloc( sizeof( dynlist_info ) );
+ memset( dli, 0, sizeof( dynlist_info ) );
+
+ on->on_bi.bi_private = (void *)dli;
+
+ return 0;
+}
+
+static int
+dynlist_db_open(
+ BackendDB *be
+)
+{
+ slap_overinst *on = (slap_overinst *) be->bd_info;
+ dynlist_info *dli = (dynlist_info *)on->on_bi.bi_private;
+ int rc = 0;
+ ber_len_t len;
+ char *ptr;
+
+ if ( dli->dli_oc == NULL ) {
+ fprintf( stderr, "dynlist_db_open(): missing \"dynlist-oc <ObjectClass>\"\n" );
+ rc = -1;
+ }
+
+ if ( dli->dli_ad == NULL ) {
+ fprintf( stderr, "dynlist_db_open(): missing \"dynlist-ad <AttributeDescription>\"\n" );
+ rc = -1;
+ }
+
+ len = STRLENOF( "(!(objectClass=" "))" )
+ + dli->dli_oc->soc_cname.bv_len;
+ dli->dli_default_filter.bv_val = SLAP_MALLOC( len + 1 );
+ if ( dli->dli_default_filter.bv_val == NULL ) {
+ fprintf( stderr, "dynlist_db_open(): malloc failed\n" );
+ return -1;
+ }
+ ptr = lutil_strcopy( dli->dli_default_filter.bv_val, "(!(objectClass=" );
+ ptr = lutil_strcopy( ptr, dli->dli_oc->soc_cname.bv_val );
+ ptr = lutil_strcopy( ptr, "))" );
+ dli->dli_default_filter.bv_len = ptr - dli->dli_default_filter.bv_val;
+
+ return rc;
+}
+
+static int
+dynlist_db_destroy(
+ BackendDB *be
+)
+{
+ slap_overinst *on = (slap_overinst *) be->bd_info;
+ int rc = 0;
+
+ if ( on->on_bi.bi_private ) {
+ dynlist_info *dli = (dynlist_info *)on->on_bi.bi_private;
+
+ dli->dli_oc = NULL;
+ dli->dli_ad = NULL;
+
+ ch_free( dli );
+ }
+
+ return rc;
+}
+
+static slap_overinst dynlist = { { NULL } };
+
+int
+dynlist_over_init(void)
+{
+ dynlist.on_bi.bi_type = "dynlist";
+ dynlist.on_bi.bi_db_init = dynlist_db_init;
+ dynlist.on_bi.bi_db_config = dynlist_db_config;
+ dynlist.on_bi.bi_db_open = dynlist_db_open;
+ dynlist.on_bi.bi_db_destroy = dynlist_db_destroy;
+
+ dynlist.on_response = dynlist_response;
+
+ return overlay_register( &dynlist );
+}
+
+#if SLAPD_OVER_DYNLIST == SLAPD_MOD_DYNAMIC
+int
+init_module( int argc, char *argv[] )
+{
+ return dynlist_over_init();
+}
+#endif
+
+#endif /* SLAPD_OVER_DYNLIST */