* [PATCH nft] rule: flush set cache after flush command
@ 2020-07-21 0:01 Pablo Neira Ayuso
0 siblings, 0 replies; only message in thread
From: Pablo Neira Ayuso @ 2020-07-21 0:01 UTC (permalink / raw)
To: netfilter-devel
Flush the set cache before adding the flush command to the netlink batch.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
src/rule.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/src/rule.c b/src/rule.c
index fa1861403ba1..6b71dfee0d09 100644
--- a/src/rule.c
+++ b/src/rule.c
@@ -2692,6 +2692,21 @@ static int do_command_reset(struct netlink_ctx *ctx, struct cmd *cmd)
return do_list_obj(ctx, cmd, type);
}
+static void flush_set_cache(struct netlink_ctx *ctx, struct cmd *cmd)
+{
+ struct table *table;
+ struct set *set;
+
+ table = table_lookup(&cmd->handle, &ctx->nft->cache);
+ assert(table);
+ set = set_lookup(table, cmd->handle.set.name);
+ assert(set);
+ if (set->init != NULL) {
+ expr_free(set->init);
+ set->init = NULL;
+ }
+}
+
static int do_command_flush(struct netlink_ctx *ctx, struct cmd *cmd)
{
switch (cmd->obj) {
@@ -2701,6 +2716,7 @@ static int do_command_flush(struct netlink_ctx *ctx, struct cmd *cmd)
case CMD_OBJ_SET:
case CMD_OBJ_MAP:
case CMD_OBJ_METER:
+ flush_set_cache(ctx, cmd);
return mnl_nft_setelem_flush(ctx, cmd);
case CMD_OBJ_RULESET:
return mnl_nft_table_del(ctx, cmd);
--
2.20.1
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