iptables: Add __connman_iptables_dump()

In order to allow our test tool iptables-tests to dump a table
we need an dump function. The only user will be this tool. That allows
the linker to remove this code, so no additional code size.

2 files changed, 16 insertions, 0 deletions

diff --git a/src/connman.h b/src/connman.h
index 19bca740..9a607fb1 100644
--- a/src/connman.h
+++ b/src/connman.h
@@ -790,6 +790,7 @@ int __connman_stats_get(struct connman_service *service,
 				connman_bool_t roaming,
 				struct connman_stats_data *data);
 
+int __connman_iptables_dump(const char *table_name);
 int __connman_iptables_new_chain(const char *table_name,
 					const char *chain);
 int __connman_iptables_delete_chain(const char *table_name,
diff --git a/src/iptables.c b/src/iptables.c
index ea2a52b0..3fa81406 100644
--- a/src/iptables.c
+++ b/src/iptables.c
@@ -2091,6 +2091,21 @@ static void cleanup_parse_context(struct parse_context *ctx)
 	g_free(ctx);
 }
 
+int __connman_iptables_dump(const char *table_name)
+{
+	struct connman_iptables *table;
+
+	DBG("-t %s -L", table_name);
+
+	table = pre_load_table(table_name, NULL);
+	if (table == NULL)
+		return -EINVAL;
+
+	dump_table(table);
+
+	return 0;
+}
+
 int __connman_iptables_new_chain(const char *table_name,
 					const char *chain)
 {