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Add `.asn' operator to all ROA prefixes in filters

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Example:
  bird> eval (1.2.0.0/16 max 20 as 1234).asn
  1234

Todo: Should be described in user docs
This commit is contained in:
Pavel Tvrdik
2016-06-29 12:08:28 +02:00
committed by Jan Moskyto Matejka
parent f6e8e141df
commit 69ae578450
3 changed files with 15 additions and 1 deletions
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10
filter/filter.c
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@@ -1029,6 +1029,16 @@ interpret(struct f_inst *what)
default: runtime( "Prefix, path, clist or eclist expected" );
}
break;
case P('R','a'): /* Get ROA ASN */
ONEARG;
if (v1.type != T_NET || !net_is_roa(v1.val.net))
runtime( "ROA expected" );
res.type = T_INT;
res.val.i = (v1.val.net->type == NET_ROA4) ?
((net_addr_roa4 *) v1.val.net)->asn :
((net_addr_roa6 *) v1.val.net)->asn;
break;
case P('c','p'): /* Convert prefix to ... */
ONEARG;
if (v1.type != T_NET)