Experimental code for delete support in back-config. Only overlays

supported currently.

diff --git a/servers/slapd/backover.c b/servers/slapd/backover.c
index b813b9b662a1b184ff6aa11db2478ab7ff845d1b..6855246ececbfb469804187978d43b2d6096d035 100644 (file)
--- a/servers/slapd/backover.c
+++ b/servers/slapd/backover.c
@@ -1081,6 +1081,43 @@ overlay_destroy_one( BackendDB *be, slap_overinst *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 )

diff --git a/servers/slapd/bconfig.c b/servers/slapd/bconfig.c
index 882be198c825b9c528af4e32b1abccd69fb73426..0cc2707c1d2df22161f1bc3cda376ae3a37976a6 100644 (file)
--- a/servers/slapd/bconfig.c
+++ b/servers/slapd/bconfig.c
@@ -5225,7 +5225,90 @@ out:
 static int
 config_back_delete( Operation *op, SlapReply *rs )
 {
-       send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM, NULL );
+#ifdef SLAP_CONFIG_DELETE
+       CfBackInfo *cfb;
+       CfEntryInfo *ce, *last, *ce2;
+
+       slap_mask_t mask;
+
+       cfb = (CfBackInfo *)op->o_bd->be_private;
+
+       ce = config_find_base( cfb->cb_root, &op->o_req_ndn, &last );
+       if ( !ce ) {
+               if ( last )
+                       rs->sr_matched = last->ce_entry->e_name.bv_val;
+               rs->sr_err = LDAP_NO_SUCH_OBJECT;
+       } if ( ce->ce_kids ) {
+               rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+       } else if ( ce->ce_type == Cft_Overlay ){
+               char *iptr;
+               int count, ixold, rc;
+
+               ldap_pvt_thread_pool_pause( &connection_pool );
+               
+               overlay_remove( ce->ce_be, (slap_overinst *)ce->ce_bi );
+
+               /* remove CfEntryInfo from the siblings list */
+               if ( ce->ce_parent->ce_kids == ce ) {
+                       ce->ce_parent->ce_kids = ce->ce_sibs;
+               } else {
+                       for ( ce2 = ce->ce_parent->ce_kids ; ce2; ce2 = ce2->ce_sibs ) {
+                               if ( ce2->ce_sibs == ce ) {
+                                       ce2->ce_sibs = ce->ce_sibs;
+                                       break;
+                               }
+                       }
+               }
+
+               /* remove from underlying database */
+               if ( cfb->cb_use_ldif ) {
+                       BackendDB *be = op->o_bd;
+                       slap_callback sc = { NULL, slap_null_cb, NULL, NULL }, *scp;
+                       struct berval dn, ndn, req_dn, req_ndn;
+
+                       op->o_bd = &cfb->cb_db;
+
+                       dn = op->o_dn;
+                       ndn = op->o_ndn;
+                       req_dn = op->o_req_dn;
+                       req_ndn = op->o_req_ndn;
+
+                       op->o_dn = op->o_bd->be_rootdn;
+                       op->o_ndn = op->o_bd->be_rootndn;
+                       op->o_req_dn = ce->ce_entry->e_name;
+                       op->o_req_ndn = ce->ce_entry->e_nname;
+
+                       scp = op->o_callback;
+                       op->o_callback = ≻
+                       op->o_bd->be_delete( op, rs );
+                       op->o_bd = be;
+                       op->o_callback = scp;
+                       op->o_dn = dn;
+                       op->o_ndn = ndn;
+                       op->o_req_dn = req_dn;
+                       op->o_req_ndn = req_ndn;
+               }
+
+               /* renumber siblings */
+               iptr = ber_bvchr( &op->o_req_ndn, '{' ) + 1;
+               ixold = strtol( iptr, NULL, 0 );
+               for (ce2 = ce->ce_sibs, count=0; ce2; ce2=ce2->ce_sibs) {
+                       config_renumber_one( op, rs, ce2->ce_parent, ce2->ce_entry,
+                               count+ixold, 0, cfb->cb_use_ldif );
+                       count++;
+               }
+
+               ce->ce_entry->e_private=NULL;
+               entry_free(ce->ce_entry);
+               ch_free(ce);
+               ldap_pvt_thread_pool_resume( &connection_pool );
+       } else {
+               rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+       }
+#else
+       rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+#endif /* SLAP_CONFIG_DELETE */
+       send_ldap_result( op, rs );
        return rs->sr_err;
 }
 

diff --git a/servers/slapd/proto-slap.h b/servers/slapd/proto-slap.h
index 77cfac404bf8ce77f6003cbeac482558818d0a99..db339ac0c03b1444b366ef800d06380f94732cf4 100644 (file)
--- a/servers/slapd/proto-slap.h
+++ b/servers/slapd/proto-slap.h
@@ -469,7 +469,10 @@ LDAP_SLAPD_F (void) overlay_insert LDAP_P((
        BackendDB *be, slap_overinst *on, slap_overinst ***prev, int idx ));
 LDAP_SLAPD_F (void) overlay_move LDAP_P((
        BackendDB *be, slap_overinst *on, int idx ));
-
+#ifdef SLAP_CONFIG_DELETE
+LDAP_SLAPD_F (void) overlay_remove LDAP_P((
+       BackendDB *be, slap_overinst *on ));
+#endif /* SLAP_CONFIG_DELETE */
 /*
  * bconfig.c
  */