[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_connmark.c b/ap/app/iptables/extensions/libxt_connmark.c
new file mode 100755
index 0000000..2dca5a5
--- /dev/null
+++ b/ap/app/iptables/extensions/libxt_connmark.c
@@ -0,0 +1,232 @@
+/* Shared library add-on to iptables to add connmark matching support.
+ *
+ * (C) 2002,2004 MARA Systems AB <http://www.marasystems.com>
+ * by Henrik Nordstrom <hno@marasystems.com>
+ *
+ * Version 1.1
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <stdio.h>
+#include <netdb.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+
+#include <xtables.h>
+#include <linux/netfilter/xt_connmark.h>
+
+enum {
+	F_MARK = 1 << 0,
+};
+
+static void connmark_mt_help(void)
+{
+	printf(
+"connmark match options:\n"
+"[!] --mark value[/mask]    Match ctmark value with optional mask\n");
+}
+
+static const struct option connmark_mt_opts[] = {
+	{.name = "mark", .has_arg = true, .val = '1'},
+	{ .name = NULL }
+};
+
+static int
+connmark_mt_parse(int c, char **argv, int invert, unsigned int *flags,
+                  const void *entry, struct xt_entry_match **match)
+{
+	struct xt_connmark_mtinfo1 *info = (void *)(*match)->data;
+	unsigned int mark, mask = UINT32_MAX;
+	char *end;
+
+	switch (c) {
+	case '1': /* --mark */
+		xtables_param_act(XTF_ONLY_ONCE, "connmark", "--mark", *flags & F_MARK);
+		if (!xtables_strtoui(optarg, &end, &mark, 0, UINT32_MAX))
+			xtables_param_act(XTF_BAD_VALUE, "connmark", "--mark", optarg);
+		if (*end == '/')
+			if (!xtables_strtoui(end + 1, &end, &mask, 0, UINT32_MAX))
+				xtables_param_act(XTF_BAD_VALUE, "connmark", "--mark", optarg);
+		if (*end != '\0')
+			xtables_param_act(XTF_BAD_VALUE, "connmark", "--mark", optarg);
+
+		if (invert)
+			info->invert = true;
+		info->mark = mark;
+		info->mask = mask;
+		*flags    |= F_MARK;
+		return true;
+	}
+	return false;
+}
+
+static int
+connmark_parse(int c, char **argv, int invert, unsigned int *flags,
+               const void *entry, struct xt_entry_match **match)
+{
+	struct xt_connmark_info *markinfo = (struct xt_connmark_info *)(*match)->data;
+
+	switch (c) {
+		char *end;
+	case '1':
+		xtables_check_inverse(optarg, &invert, &optind, 0);
+
+		markinfo->mark = strtoul(optarg, &end, 0);
+		markinfo->mask = 0xffffffffUL;
+		
+		if (*end == '/')
+			markinfo->mask = strtoul(end+1, &end, 0);
+
+		if (*end != '\0' || end == optarg)
+			xtables_error(PARAMETER_PROBLEM, "Bad MARK value \"%s\"", optarg);
+		if (invert)
+			markinfo->invert = 1;
+		*flags = 1;
+		break;
+
+	default:
+		return 0;
+	}
+	return 1;
+}
+
+static void print_mark(unsigned int mark, unsigned int mask)
+{
+	if (mask != 0xffffffffU)
+		printf("0x%x/0x%x ", mark, mask);
+	else
+		printf("0x%x ", mark);
+}
+
+static void connmark_mt_check(unsigned int flags)
+{
+	if (flags == 0)
+		xtables_error(PARAMETER_PROBLEM,
+		           "connmark: The --mark option is required");
+}
+
+static void
+connmark_print(const void *ip, const struct xt_entry_match *match, int numeric)
+{
+	struct xt_connmark_info *info = (struct xt_connmark_info *)match->data;
+
+	printf("CONNMARK match ");
+	if (info->invert)
+		printf("!");
+	print_mark(info->mark, info->mask);
+}
+
+static void
+connmark_mt_print(const void *ip, const struct xt_entry_match *match, int numeric)
+{
+	const struct xt_connmark_mtinfo1 *info = (const void *)match->data;
+
+	printf("connmark match ");
+	if (info->invert)
+		printf("!");
+	print_mark(info->mark, info->mask);
+}
+
+static void connmark_save(const void *ip, const struct xt_entry_match *match)
+{
+	struct xt_connmark_info *info = (struct xt_connmark_info *)match->data;
+
+	if (info->invert)
+		printf("! ");
+
+	printf("--mark ");
+	print_mark(info->mark, info->mask);
+}
+
+static void
+connmark_mt_save(const void *ip, const struct xt_entry_match *match)
+{
+	const struct xt_connmark_mtinfo1 *info = (const void *)match->data;
+
+	if (info->invert)
+		printf("! ");
+
+	printf("--mark ");
+	print_mark(info->mark, info->mask);
+}
+
+static struct xtables_match connmark_mt_reg_v0 = {
+	.family		= NFPROTO_IPV4,
+	.name		= "connmark",
+	.revision	= 0,
+	.version	= XTABLES_VERSION,
+	.size		= XT_ALIGN(sizeof(struct xt_connmark_info)),
+	.userspacesize	= XT_ALIGN(sizeof(struct xt_connmark_info)),
+	.help		= connmark_mt_help,
+	.parse		= connmark_parse,
+	.final_check	= connmark_mt_check,
+	.print		= connmark_print,
+	.save		= connmark_save,
+	.extra_opts	= connmark_mt_opts,
+};
+
+static struct xtables_match connmark_mt6_reg_v0 = {
+	.family		= NFPROTO_IPV6,
+	.name		= "connmark",
+	.revision	= 0,
+	.version	= XTABLES_VERSION,
+	.size		= XT_ALIGN(sizeof(struct xt_connmark_info)),
+	.userspacesize	= XT_ALIGN(sizeof(struct xt_connmark_info)),
+	.help		= connmark_mt_help,
+	.parse		= connmark_parse,
+	.final_check	= connmark_mt_check,
+	.print		= connmark_print,
+	.save		= connmark_save,
+	.extra_opts	= connmark_mt_opts,
+};
+
+static struct xtables_match connmark_mt_reg = {
+	.version        = XTABLES_VERSION,
+	.name           = "connmark",
+	.revision       = 1,
+	.family         = NFPROTO_IPV4,
+	.size           = XT_ALIGN(sizeof(struct xt_connmark_mtinfo1)),
+	.userspacesize  = XT_ALIGN(sizeof(struct xt_connmark_mtinfo1)),
+	.help           = connmark_mt_help,
+	.parse          = connmark_mt_parse,
+	.final_check    = connmark_mt_check,
+	.print          = connmark_mt_print,
+	.save           = connmark_mt_save,
+	.extra_opts     = connmark_mt_opts,
+};
+
+static struct xtables_match connmark_mt6_reg = {
+	.version        = XTABLES_VERSION,
+	.name           = "connmark",
+	.revision       = 1,
+	.family         = NFPROTO_IPV6,
+	.size           = XT_ALIGN(sizeof(struct xt_connmark_mtinfo1)),
+	.userspacesize  = XT_ALIGN(sizeof(struct xt_connmark_mtinfo1)),
+	.help           = connmark_mt_help,
+	.parse          = connmark_mt_parse,
+	.final_check    = connmark_mt_check,
+	.print          = connmark_mt_print,
+	.save           = connmark_mt_save,
+	.extra_opts     = connmark_mt_opts,
+};
+
+void _init(void)
+{
+	xtables_register_match(&connmark_mt_reg_v0);
+	xtables_register_match(&connmark_mt6_reg_v0);
+	xtables_register_match(&connmark_mt_reg);
+	xtables_register_match(&connmark_mt6_reg);
+}