* [PATCH nft,v2] rule: flush set cache before flush command
@ 2020-07-21 0:23 Pablo Neira Ayuso
0 siblings, 0 replies; only message in thread
From: Pablo Neira Ayuso @ 2020-07-21 0:23 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>
---
v2: add testcase.
src/rule.c | 16 ++++++++++++++++
tests/shell/testcases/sets/0052overlap_0 | 16 ++++++++++++++++
.../shell/testcases/sets/dumps/0052overlap_0.nft | 8 ++++++++
3 files changed, 40 insertions(+)
create mode 100755 tests/shell/testcases/sets/0052overlap_0
create mode 100644 tests/shell/testcases/sets/dumps/0052overlap_0.nft
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);
diff --git a/tests/shell/testcases/sets/0052overlap_0 b/tests/shell/testcases/sets/0052overlap_0
new file mode 100755
index 000000000000..c2960945c492
--- /dev/null
+++ b/tests/shell/testcases/sets/0052overlap_0
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -e
+
+EXPECTED="add table ip filter
+add set ip filter w_all {type ipv4_addr; flags interval; auto-merge}
+add element ip filter w_all {10.10.10.10, 10.10.10.11}
+"
+
+$NFT -f - <<< "$EXPECTED"
+
+EXPECTED="flush set ip filter w_all
+add element ip filter w_all {10.10.10.10, 10.10.10.253}
+"
+
+$NFT -f - <<< "$EXPECTED"
diff --git a/tests/shell/testcases/sets/dumps/0052overlap_0.nft b/tests/shell/testcases/sets/dumps/0052overlap_0.nft
new file mode 100644
index 000000000000..1cc02ada94b8
--- /dev/null
+++ b/tests/shell/testcases/sets/dumps/0052overlap_0.nft
@@ -0,0 +1,8 @@
+table ip filter {
+ set w_all {
+ type ipv4_addr
+ flags interval
+ auto-merge
+ elements = { 10.10.10.10, 10.10.10.253 }
+ }
+}
--
2.20.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2020-07-21 0:23 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-07-21 0:23 [PATCH nft,v2] rule: flush set cache before flush command Pablo Neira Ayuso
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).