Fixes missing cases in filters.

diff --git a/filter/filter.c b/filter/filter.c
index ec155ee612884fd8f8a49b3f32e046bcc27fa18f..81bfd4e5e3c99365c1c617f8f5194833a7fd005f 100644 (file)
--- a/filter/filter.c
+++ b/filter/filter.c
@@ -605,42 +605,45 @@ interpret(struct f_inst *what)
        e = ea_find( (*f_tmp_attrs), what->a2.i );
       if ((!e) && (f_flags & FF_FORCE_TMPATTR))
        e = ea_find( (*f_rte)->attrs->eattrs, what->a2.i );
-      
-      switch (what->aux & EAF_TYPE_MASK) {
-      case EAF_TYPE_INT:
-       if (!e) {
-         res.type = T_VOID;
+
+      if (!e) {
+       /* A special case: undefined int_set looks like empty int_set */
+       if ((what->aux & EAF_TYPE_MASK) == EAF_TYPE_INT_SET) {
+         res.type = T_CLIST;
+         res.val.ad = adata_empty(f_pool);
          break;
        }
+       /* Undefined value */
+       res.type = T_VOID;
+       break;
+      }
+
+      switch (what->aux & EAF_TYPE_MASK) {
+      case EAF_TYPE_INT:
+      case EAF_TYPE_ROUTER_ID:
        res.type = T_INT;
        res.val.i = e->u.data;
        break;
+      case EAF_TYPE_OPAQUE:
+       res.type = T_ENUM_EMPTY;
+       res.val.i = 0;
+       break;
       case EAF_TYPE_IP_ADDRESS:
-       if (!e) {
-         res.type = T_VOID;
-         break;
-       }
        res.type = T_IP;
        struct adata * ad = e->u.ptr;
        res.val.px.ip = * (ip_addr *) ad->data;
        break;
       case EAF_TYPE_AS_PATH:
-       if (!e) {
-         res.type = T_VOID;
-         break;
-       }
         res.type = T_PATH;
        res.val.ad = e->u.ptr;
        break;
       case EAF_TYPE_INT_SET:
-       if (!e) {
-         res.type = T_CLIST;
-         res.val.ad = adata_empty(f_pool);
-         break;
-       }
        res.type = T_CLIST;
        res.val.ad = e->u.ptr;
        break;
+      case EAF_TYPE_UNDEF:
+       res.type = T_VOID;
+       break;
       default:
        bug("Unknown type in e,a");
       }
@@ -659,10 +662,14 @@ interpret(struct f_inst *what)
       l->attrs[0].type = what->aux | EAF_ORIGINATED;
       switch (what->aux & EAF_TYPE_MASK) {
       case EAF_TYPE_INT:
+      case EAF_TYPE_ROUTER_ID:
        if (v1.type != T_INT)
          runtime( "Setting int attribute to non-int value" );
        l->attrs[0].u.data = v1.val.i;
        break;
+      case EAF_TYPE_OPAQUE:
+       runtime( "Setting opaque attribute is not allowed" );
+       break;
       case EAF_TYPE_IP_ADDRESS:
        if (v1.type != T_IP)
          runtime( "Setting ip attribute to non-ip value" );