[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/libipt_LED.c b/ap/app/iptables/extensions/libipt_LED.c
new file mode 100755
index 0000000..ead6de7
--- /dev/null
+++ b/ap/app/iptables/extensions/libipt_LED.c
@@ -0,0 +1,228 @@
+/* Shared library add-on to iptables to add LED support. */
+#include <stdio.h>
+#include <netdb.h>
+#include <string.h>
+#include <stdlib.h>
+#include <syslog.h>
+#include <getopt.h>
+#include <xtables.h>
+#include <linux/netfilter_ipv4/ipt_LED.h>
+#include <linux/ledman.h>
+
+static struct option opts[] = {
+	{ .name = "led",              .has_arg = 1, .flag = 0, .val = '1' },
+	{ .name = "save",             .has_arg = 0, .flag = 0, .val = '2' },
+	{ .name = "restore",          .has_arg = 0, .flag = 0, .val = '3' },
+	{ .name = NULL }
+};
+
+static void
+init(struct xt_entry_target *t)
+{
+	struct ipt_led_info *ledinfo = (struct ipt_led_info *)t->data;
+
+	ledinfo->led = LEDMAN_ALL;
+	ledinfo->mode = IPT_LED_SET;
+}
+
+struct ipt_led_names {
+	const char *name;
+	u_int32_t led;
+};
+
+static struct ipt_led_names ipt_led_names[] = {
+#include "libipt_LED_def.c"
+    { }
+};
+
+static u_int32_t
+parse_led(const char *name)
+{
+	unsigned int led = -1;
+	unsigned int set = 0;
+
+	if (!xtables_strtoui(name, NULL, &led, 0, 7)) {
+		unsigned int i = 0;
+
+		for (i = 0; ipt_led_names[i].name; i++) {
+			if (strcasecmp(name, ipt_led_names[i].name) == 0) {
+				set++;
+				led = ipt_led_names[i].led;
+				break;
+			}
+			if (strncasecmp(name, ipt_led_names[i].name,
+					strlen(name)) == 0) {
+				if (set++)
+					xtables_error(PARAMETER_PROBLEM,
+						   "led `%s' ambiguous", name);
+				led = ipt_led_names[i].led;
+			}
+		}
+
+		if (!set)
+			xtables_error(PARAMETER_PROBLEM,
+				   "led `%s' unknown", name);
+	}
+
+	return led;
+}
+
+#define IPT_LED_OPT_LED    0x01
+#define IPT_LED_OPT_MODE   0x02
+#define IPT_LED_OPT_NO_LED 0x04
+
+static int
+parse(int c, char **argv, int invert, unsigned int *flags,
+      const void *entry,
+      struct xt_entry_target **target)
+{
+	struct ipt_led_info *ledinfo = (struct ipt_led_info *)(*target)->data;
+
+	switch (c) {
+	case '1':
+		if (*flags & IPT_LED_OPT_LED)
+			xtables_error(PARAMETER_PROBLEM,
+				   "Can't specify --led twice");
+
+		ledinfo->led = parse_led(optarg);
+		*flags |= IPT_LED_OPT_LED;
+		break;
+
+	case '2':
+		if (*flags & IPT_LED_OPT_MODE)
+			xtables_error(PARAMETER_PROBLEM,
+				   "Can't specify --save twice");
+
+		ledinfo->mode = IPT_LED_SAVE;
+		*flags |= IPT_LED_OPT_MODE;
+		break;
+
+	case '3':
+		if (*flags & IPT_LED_OPT_MODE)
+			xtables_error(PARAMETER_PROBLEM,
+				   "Can't specify --restore twice");
+
+		ledinfo->mode = IPT_LED_RESTORE;
+		*flags |= IPT_LED_OPT_MODE | IPT_LED_OPT_NO_LED;
+		break;
+
+	default:
+		return 0;
+	}
+
+	return 1;
+}
+
+static void
+final_check(unsigned int flags)
+{
+	if ((flags & IPT_LED_OPT_NO_LED) && (flags & IPT_LED_OPT_LED))
+		xtables_error(PARAMETER_PROBLEM,
+	           	   "LED target: Can't specify --led with --restore");
+
+	if (!(flags & IPT_LED_OPT_NO_LED) && !(flags & IPT_LED_OPT_LED))
+		xtables_error(PARAMETER_PROBLEM,
+		           "LED target: No --led specified");
+}
+
+static void
+print(const void *ip,
+      const struct xt_entry_target *target,
+      int numeric)
+{
+	const struct ipt_led_info *ledinfo
+		= (const struct ipt_led_info *)target->data;
+	unsigned int i;
+
+	printf("LED ");
+	switch (ledinfo->mode) {
+	case IPT_LED_SAVE:
+		printf("save ");
+		/* fallthrough */
+	case IPT_LED_SET:
+		for (i = 0; ipt_led_names[i].name; i++) {
+			if (ledinfo->led == ipt_led_names[i].led) {
+				printf("led %s ", ipt_led_names[i].name);
+				break;
+			}
+		}
+		if (!ipt_led_names[i].name)
+			printf("UNKNOWN led %u ", ledinfo->led);
+		break;
+	case IPT_LED_RESTORE:
+		printf("restore ");
+		break;
+	default:
+		printf("ERROR: UNKNOWN LED MODE ");
+		break;
+	}
+}
+
+static void
+save(const void *ip, const struct xt_entry_target *target)
+{
+	const struct ipt_led_info *ledinfo
+		= (const struct ipt_led_info *)target->data;
+	unsigned int i;
+
+	switch (ledinfo->mode) {
+	case IPT_LED_SAVE:
+		printf("--save ");
+		/* fallthrough */
+	case IPT_LED_SET:
+		printf("--led ");
+		for (i = 0; ipt_led_names[i].name; i++) {
+			if (ledinfo->led == ipt_led_names[i].led) {
+				printf("led %s ", ipt_led_names[i].name);
+				break;
+			}
+		}
+		if (!ipt_led_names[i].name)
+			printf("%u ", ledinfo->led);
+		break;
+	case IPT_LED_RESTORE:
+		printf("--restore ");
+		break;
+	default:
+		printf("ERROR: UNKNOWN LED MODE ");
+		break;
+	}
+}
+
+static void
+help(void)
+{
+	unsigned int i;
+
+	printf(
+"LED target options:\n"
+"  --led LED                     LED to set\n"
+"  --save                        Save the LED value in the connection\n"
+"  --restore                     Use the saved LED value\n");
+
+	printf("LED names:\n");
+	for (i = 0; ipt_led_names[i].name; i++)
+		printf(" %s\n", ipt_led_names[i].name);
+}
+
+static
+struct xtables_target led
+= {
+    .name          = "LED",
+    .version       = XTABLES_VERSION,
+    .family        = NFPROTO_IPV4,
+    .size          = XT_ALIGN(sizeof(struct ipt_led_info)),
+    .userspacesize = XT_ALIGN(sizeof(struct ipt_led_info)),
+    .help          = &help,
+    .init          = &init,
+    .parse         = &parse,
+    .final_check   = &final_check,
+    .print         = &print,
+    .save          = &save,
+    .extra_opts    = opts
+};
+
+void _init(void)
+{
+	xtables_register_target(&led);
+}