[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_set.c b/ap/app/iptables/extensions/libipt_set.c
new file mode 100755
index 0000000..902c0df
--- /dev/null
+++ b/ap/app/iptables/extensions/libipt_set.c
@@ -0,0 +1,154 @@
+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
+ * Patrick Schaaf <bof@bof.de>
+ * Martin Josefsson <gandalf@wlug.westbo.se>
+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/* Shared library add-on to iptables to add IP set matching. */
+#include <stdio.h>
+#include <netdb.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <ctype.h>
+#include <errno.h>
+
+#include <xtables.h>
+#include <linux/netfilter_ipv4/ipt_set.h>
+#include "libipt_set.h"
+
+static void set_help(void)
+{
+ printf("set match options:\n"
+ " [!] --set name flags\n"
+ " 'name' is the set name from to match,\n"
+ " 'flags' are the comma separated list of\n"
+ " 'src' and 'dst'.\n");
+}
+
+static const struct option set_opts[] = {
+ {"set", 1, NULL, '1'},
+ { }
+};
+
+static void set_init(struct xt_entry_match *match)
+{
+ struct ipt_set_info_match *info =
+ (struct ipt_set_info_match *) match->data;
+
+
+ memset(info, 0, sizeof(struct ipt_set_info_match));
+
+}
+
+static int set_parse(int c, char **argv, int invert, unsigned int *flags,
+ const void *entry, struct xt_entry_match **match)
+{
+ struct ipt_set_info_match *myinfo =
+ (struct ipt_set_info_match *) (*match)->data;
+ struct ipt_set_info *info = &myinfo->match_set;
+
+ switch (c) {
+ case '1': /* --set <set> <flag>[,<flag> */
+ if (info->flags[0])
+ xtables_error(PARAMETER_PROBLEM,
+ "--set can be specified only once");
+
+ xtables_check_inverse(optarg, &invert, &optind, 0);
+ if (invert)
+ info->flags[0] |= IPSET_MATCH_INV;
+
+ if (!argv[optind]
+ || argv[optind][0] == '-'
+ || argv[optind][0] == '!')
+ xtables_error(PARAMETER_PROBLEM,
+ "--set requires two args.");
+
+ if (strlen(argv[optind-1]) > IP_SET_MAXNAMELEN - 1)
+ xtables_error(PARAMETER_PROBLEM,
+ "setname `%s' too long, max %d characters.",
+ argv[optind-1], IP_SET_MAXNAMELEN - 1);
+
+ strcpy(info->setname, argv[optind - 1]);
+ parse_bindings(argv[optind], info);
+ DEBUGP("parse: set index %u\n", info->index);
+ optind++;
+
+ *flags = 1;
+ break;
+
+ default:
+ return 0;
+ }
+
+ return 1;
+}
+
+static void set_check(unsigned int flags)
+{
+ if (!flags)
+ xtables_error(PARAMETER_PROBLEM,
+ "You must specify `--set' with proper arguments");
+ DEBUGP("final check OK\n");
+}
+
+static void
+print_match(const char *prefix, const struct ipt_set_info *info)
+{
+ int i;
+
+ printf("%s%s %s",
+ (info->flags[0] & IPSET_MATCH_INV) ? "! " : "",
+ prefix,
+ info->setname);
+ for (i = 0; i < IP_SET_MAX_BINDINGS; i++) {
+ if (!info->flags[i])
+ break;
+ printf("%s%s",
+ i == 0 ? " " : ",",
+ info->flags[i] & IPSET_SRC ? "src" : "dst");
+ }
+ printf(" ");
+}
+
+/* Prints out the matchinfo. */
+static void set_print(const void *ip, const struct xt_entry_match *match,
+ int numeric)
+{
+ struct ipt_set_info_match *info =
+ (struct ipt_set_info_match *) match->data;
+
+ print_match("set", &info->match_set);
+}
+
+static void set_save(const void *ip, const struct xt_entry_match *match)
+{
+ struct ipt_set_info_match *info =
+ (struct ipt_set_info_match *) match->data;
+
+ print_match("--set", &info->match_set);
+}
+
+static struct xtables_match set_mt_reg = {
+ .name = "set",
+ .version = XTABLES_VERSION,
+ .family = NFPROTO_IPV4,
+ .size = XT_ALIGN(sizeof(struct ipt_set_info_match)),
+ .userspacesize = XT_ALIGN(sizeof(struct ipt_set_info_match)),
+ .help = set_help,
+ .init = set_init,
+ .parse = set_parse,
+ .final_check = set_check,
+ .print = set_print,
+ .save = set_save,
+ .extra_opts = set_opts,
+};
+
+void _init(void)
+{
+ xtables_register_match(&set_mt_reg);
+}