[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/iptables/extensions/libxt_TRACE.c b/ap/app/iptables/extensions/libxt_TRACE.c
new file mode 100755
index 0000000..b8eb969
--- /dev/null
+++ b/ap/app/iptables/extensions/libxt_TRACE.c
@@ -0,0 +1,34 @@
+/* Shared library add-on to iptables to add TRACE target support. */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+
+#include <xtables.h>
+#include <linux/netfilter/x_tables.h>
+
+static void TRACE_help(void)
+{
+	printf("TRACE target takes no options\n");
+}
+
+static int TRACE_parse(int c, char **argv, int invert, unsigned int *flags,
+                       const void *entry, struct xt_entry_target **target)
+{
+	return 0;
+}
+
+static struct xtables_target trace_target = {
+	.family		= AF_UNSPEC,
+	.name		= "TRACE",
+	.version	= XTABLES_VERSION,
+	.size		= XT_ALIGN(0),
+	.userspacesize	= XT_ALIGN(0),
+	.help		= TRACE_help,
+	.parse		= TRACE_parse,
+};
+
+void _init(void)
+{
+	xtables_register_target(&trace_target);
+}