/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2003-2006 The OpenLDAP Foundation.
+ * Copyright 2003-2008 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
static slap_overinst *overlays;
-enum db_which {
- db_open = 0,
- db_close,
- db_destroy,
- db_last
-};
-
-static int
-over_db_func(
- BackendDB *be,
- enum db_which which
-)
-{
- slap_overinfo *oi = be->bd_info->bi_private;
- slap_overinst *on = oi->oi_list;
- BackendInfo *bi_orig = be->bd_info;
- BI_db_open **func;
- int rc = 0;
-
- func = &oi->oi_orig->bi_db_open;
- if ( func[which] ) {
- be->bd_info = oi->oi_orig;
- rc = func[which]( be );
- }
-
- for (; on && rc == 0; on=on->on_next) {
- be->bd_info = &on->on_bi;
- func = &on->on_bi.bi_db_open;
- if (func[which]) {
- rc = func[which]( be );
- }
- }
- be->bd_info = bi_orig;
- return rc;
-}
-
static int
over_db_config(
BackendDB *be,
ca.bi = &on->on_bi;
ct = config_find_keyword( on->on_bi.bi_cf_ocs->co_table, &ca );
if ( ct ) {
+ ca.table = on->on_bi.bi_cf_ocs->co_type;
rc = config_add_vals( ct, &ca );
if ( rc != SLAP_CONF_UNKNOWN )
break;
static int
over_db_open(
- BackendDB *be
+ BackendDB *be,
+ ConfigReply *cr
)
{
- return over_db_func( be, db_open );
+ slap_overinfo *oi = be->bd_info->bi_private;
+ slap_overinst *on = oi->oi_list;
+ BackendDB db = *be;
+ int rc = 0;
+
+ db.be_flags |= SLAP_DBFLAG_OVERLAY;
+ db.bd_info = oi->oi_orig;
+ if ( db.bd_info->bi_db_open ) {
+ rc = db.bd_info->bi_db_open( &db, cr );
+ }
+
+ for (; on && rc == 0; on=on->on_next) {
+ db.bd_info = &on->on_bi;
+ if ( db.bd_info->bi_db_open ) {
+ rc = db.bd_info->bi_db_open( &db, cr );
+ }
+ }
+
+ return rc;
}
static int
over_db_close(
- BackendDB *be
+ BackendDB *be,
+ ConfigReply *cr
)
{
slap_overinfo *oi = be->bd_info->bi_private;
for (; on && rc == 0; on=on->on_next) {
be->bd_info = &on->on_bi;
if ( be->bd_info->bi_db_close ) {
- rc = be->bd_info->bi_db_close( be );
+ rc = be->bd_info->bi_db_close( be, cr );
}
}
if ( oi->oi_orig->bi_db_close ) {
be->bd_info = oi->oi_orig;
- rc = be->bd_info->bi_db_close( be );
+ rc = be->bd_info->bi_db_close( be, cr );
}
be->bd_info = bi_orig;
static int
over_db_destroy(
- BackendDB *be
+ BackendDB *be,
+ ConfigReply *cr
)
{
slap_overinfo *oi = be->bd_info->bi_private;
slap_overinst *on = oi->oi_list, *next;
+ BackendInfo *bi_orig = be->bd_info;
int rc;
- rc = over_db_func( be, db_destroy );
+ be->bd_info = oi->oi_orig;
+ if ( be->bd_info->bi_db_destroy ) {
+ rc = be->bd_info->bi_db_destroy( be, cr );
+ }
+ for (; on && rc == 0; on=on->on_next) {
+ be->bd_info = &on->on_bi;
+ if ( be->bd_info->bi_db_destroy ) {
+ rc = be->bd_info->bi_db_destroy( be, cr );
+ }
+ }
+
+ on = oi->oi_list;
if ( on ) {
for (next = on->on_next; on; on=next) {
next = on->on_next;
free( on );
}
}
-
+ be->bd_info = bi_orig;
free( oi );
return rc;
}
return rc;
}
+int
+overlay_entry_get_ov(
+ Operation *op,
+ struct berval *dn,
+ ObjectClass *oc,
+ AttributeDescription *ad,
+ int rw,
+ Entry **e,
+ slap_overinst *on )
+{
+ slap_overinfo *oi = on->on_info;
+ BackendDB *be = op->o_bd, db;
+ BackendInfo *bi = op->o_bd->bd_info;
+ int rc = SLAP_CB_CONTINUE;
+
+ for ( ; on; on = on->on_next ) {
+ if ( on->on_bi.bi_entry_get_rw ) {
+ /* NOTE: do not copy the structure until required */
+ if ( !SLAP_ISOVERLAY( op->o_bd ) ) {
+ db = *op->o_bd;
+ db.be_flags |= SLAP_DBFLAG_OVERLAY;
+ op->o_bd = &db;
+ }
+
+ op->o_bd->bd_info = (BackendInfo *)on;
+ rc = on->on_bi.bi_entry_get_rw( op, dn,
+ oc, ad, rw, e );
+ if ( rc != SLAP_CB_CONTINUE ) break;
+ }
+ }
+
+ if ( rc == SLAP_CB_CONTINUE ) {
+ /* if the database structure was changed, o_bd points to a
+ * copy of the structure; put the original bd_info in place */
+ if ( SLAP_ISOVERLAY( op->o_bd ) ) {
+ op->o_bd->bd_info = oi->oi_orig;
+ }
+
+ if ( oi->oi_orig->bi_entry_get_rw ) {
+ rc = oi->oi_orig->bi_entry_get_rw( op, dn,
+ oc, ad, rw, e );
+ }
+ }
+ /* should not fall thru this far without anything happening... */
+ if ( rc == SLAP_CB_CONTINUE ) {
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ }
+
+ op->o_bd = be;
+ op->o_bd->bd_info = bi;
+
+ return rc;
+}
+
+static int
+over_entry_get_rw(
+ Operation *op,
+ struct berval *dn,
+ ObjectClass *oc,
+ AttributeDescription *ad,
+ int rw,
+ Entry **e )
+{
+ slap_overinfo *oi;
+ slap_overinst *on;
+
+ assert( op->o_bd != NULL );
+
+ oi = op->o_bd->bd_info->bi_private;
+ on = oi->oi_list;
+
+ return overlay_entry_get_ov( op, dn, oc, ad, rw, e, on );
+}
+
+int
+overlay_entry_release_ov(
+ Operation *op,
+ Entry *e,
+ int rw,
+ slap_overinst *on )
+{
+ slap_overinfo *oi = on->on_info;
+ BackendDB *be = op->o_bd, db;
+ BackendInfo *bi = op->o_bd->bd_info;
+ int rc = SLAP_CB_CONTINUE;
+
+ for ( ; on; on = on->on_next ) {
+ if ( on->on_bi.bi_entry_release_rw ) {
+ /* NOTE: do not copy the structure until required */
+ if ( !SLAP_ISOVERLAY( op->o_bd ) ) {
+ db = *op->o_bd;
+ db.be_flags |= SLAP_DBFLAG_OVERLAY;
+ op->o_bd = &db;
+ }
+
+ op->o_bd->bd_info = (BackendInfo *)on;
+ rc = on->on_bi.bi_entry_release_rw( op, e, rw );
+ if ( rc != SLAP_CB_CONTINUE ) break;
+ }
+ }
+
+ if ( rc == SLAP_CB_CONTINUE ) {
+ /* if the database structure was changed, o_bd points to a
+ * copy of the structure; put the original bd_info in place */
+ if ( SLAP_ISOVERLAY( op->o_bd ) ) {
+ op->o_bd->bd_info = oi->oi_orig;
+ }
+
+ if ( oi->oi_orig->bi_entry_release_rw ) {
+ rc = oi->oi_orig->bi_entry_release_rw( op, e, rw );
+ }
+ }
+ /* should not fall thru this far without anything happening... */
+ if ( rc == SLAP_CB_CONTINUE ) {
+ entry_free( e );
+ rc = 0;
+ }
+
+ op->o_bd = be;
+ op->o_bd->bd_info = bi;
+
+ return rc;
+}
+
+static int
+over_entry_release_rw(
+ Operation *op,
+ Entry *e,
+ int rw )
+{
+ slap_overinfo *oi;
+ slap_overinst *on;
+
+ assert( op->o_bd != NULL );
+
+ oi = op->o_bd->bd_info->bi_private;
+ on = oi->oi_list;
+
+ return overlay_entry_release_ov( op, e, rw, on );
+}
+
static int
over_acl_group(
Operation *op,
return rc;
}
+int
+overlay_callback_after_backover( Operation *op, slap_callback *sc, int append )
+{
+ slap_callback **scp;
+
+ for ( scp = &op->o_callback; *scp != NULL; scp = &(*scp)->sc_next ) {
+ if ( (*scp)->sc_response == over_back_response ) {
+ sc->sc_next = (*scp)->sc_next;
+ (*scp)->sc_next = sc;
+ return 0;
+ }
+ }
+
+ if ( append ) {
+ *scp = sc;
+ return 0;
+ }
+
+ return 1;
+}
+
/*
* default return code in case of missing backend function
* and overlay stack returning SLAP_CB_CONTINUE
/* add to all backends... */
LDAP_STAILQ_FOREACH( bd, &backendDB, be_next ) {
- if ( be == bd ) {
+ if ( bd == be->bd_self ) {
gotit = 1;
}
}
if ( !gotit ) {
- be->be_ctrls[ cid ] = 1;
- be->be_ctrls[ SLAP_MAX_CIDS ] = 1;
+ be->bd_self->be_ctrls[ cid ] = 1;
+ be->bd_self->be_ctrls[ SLAP_MAX_CIDS ] = 1;
}
return 0;
if ( on->on_bi.bi_db_destroy ) {
BackendInfo *bi_orig = be->bd_info;
be->bd_info = (BackendInfo *)on;
- on->on_bi.bi_db_destroy( be );
+ on->on_bi.bi_db_destroy( be, NULL );
be->bd_info = bi_orig;
}
free( on );
}
}
+#ifdef SLAP_CONFIG_DELETE
+void
+overlay_remove( BackendDB *be, slap_overinst *on )
+{
+ slap_overinfo *oi = on->on_info;
+ slap_overinst **oidx, *on2;
+
+ /* remove overlay from oi_list an call db_close and db_destroy
+ * handlers */
+ for ( oidx = &oi->oi_list; *oidx; oidx = &(*oidx)->on_next ) {
+ if ( *oidx == on ) {
+ *oidx = on->on_next;
+ BackendInfo *bi_orig = be->bd_info;
+ be->bd_info = (BackendInfo *)on;
+ if ( on->on_bi.bi_db_close ) {
+ on->on_bi.bi_db_close( be, NULL );
+ }
+ if ( on->on_bi.bi_db_destroy ) {
+ on->on_bi.bi_db_destroy( be, NULL );
+ }
+ be->bd_info = bi_orig;
+ free( on );
+ break;
+ }
+ }
+
+ /* clean up after removing last overlay */
+ if ( ! oi->oi_list )
+ {
+ /* reset db flags and bd_info to orig */
+ SLAP_DBFLAGS( be ) &= ~SLAP_DBFLAG_GLOBAL_OVERLAY;
+ be->bd_info = oi->oi_orig;
+ ch_free(oi);
+ }
+}
+#endif /* SLAP_CONFIG_DELETE */
+
void
overlay_insert( BackendDB *be, slap_overinst *on2, slap_overinst ***prev,
int idx )
/* add an overlay to a particular backend. */
int
-overlay_config( BackendDB *be, const char *ov, int idx, BackendInfo **res )
+overlay_config( BackendDB *be, const char *ov, int idx, BackendInfo **res, ConfigReply *cr )
{
slap_overinst *on = NULL, *on2 = NULL, **prev;
slap_overinfo *oi = NULL;
bi->bi_chk_controls = over_aux_chk_controls;
/* these have specific arglists */
+ bi->bi_entry_get_rw = over_entry_get_rw;
+ bi->bi_entry_release_rw = over_entry_release_rw;
bi->bi_access_allowed = over_access_allowed;
bi->bi_acl_group = over_acl_group;
bi->bi_acl_attribute = over_acl_attribute;
} else {
if ( overlay_is_inst( be, ov ) ) {
- Debug( LDAP_DEBUG_ANY, "overlay_config(): "
- "overlay \"%s\" already in list\n",
- ov, 0, 0 );
if ( SLAPO_SINGLE( be ) ) {
+ Debug( LDAP_DEBUG_ANY, "overlay_config(): "
+ "overlay \"%s\" already in list\n",
+ ov, 0, 0 );
return 1;
}
}
if ( on2->on_bi.bi_db_init ) {
int rc;
be->bd_info = (BackendInfo *)on2;
- rc = on2->on_bi.bi_db_init( be );
+ rc = on2->on_bi.bi_db_init( be, cr);
be->bd_info = (BackendInfo *)oi;
if ( rc ) {
*prev = on2->on_next;
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