Recursive use of sets is handled in parts by parser_bison.y, which
has a rule for inline unnamed sets in set_list_member_expr, e.g. like
this:
| add rule ip saddr { { 1.1.1.0, 2.2.2.0 }, 3.3.3.0 }
Yet there is another way to have an unnamed set inline, which is via
define:
| define myset = {
| 1.1.1.0,
| 2.2.2.0,
| }
| add rule ip saddr { $myset, 3.3.3.0 }
This didn't work because the inline set comes in as EXPR_SET_ELEM with
EXPR_SET as key. This patch handles that case by replacing the former by
a copy of the latter, so the following set list merging can take place.
Signed-off-by: Phil Sutter <p...@nwl.cc>
---
src/evaluate.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/evaluate.c b/src/evaluate.c
index 8fb716c062449..86ff8ebd17629 100644
--- a/src/evaluate.c
+++ b/src/evaluate.c
@@ -1132,6 +1132,15 @@ static int expr_evaluate_set(struct eval_ctx *ctx,
struct expr **expr)
return expr_error(ctx->msgs, i,
"Set reference cannot be part of
another set");
+ if (i->ops->type == EXPR_SET_ELEM &&
+ i->key->ops->type == EXPR_SET) {
+ struct expr *new = expr_clone(i->key);
+
+ list_replace(&i->list, &new->list);
+ expr_free(i);
+ i = new;
+ }
+
if (!expr_is_constant(i))
return expr_error(ctx->msgs, i,
"Set member is not constant");
--
2.11.0
--
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