[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..390a7d9
--- /dev/null
+++ b/ap/app/iptables/extensions/libipt_SET.c
@@ -0,0 +1,162 @@
+/* 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 mangling target. */
+#include <stdio.h>
+#include <netdb.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <ctype.h>
+
+#include <xtables.h>
+#include <linux/netfilter_ipv4/ip_set.h>
+#include <linux/netfilter_ipv4/ipt_set.h>
+#include "libipt_set.h"
+
+static void SET_help(void)
+{
+ printf("SET target options:\n"
+ " --add-set name flags\n"
+ " --del-set name flags\n"
+ " add/del src/dst IP/port from/to named sets,\n"
+ " where flags are the comma separated list of\n"
+ " 'src' and 'dst'.\n");
+}
+
+static const struct option SET_opts[] = {
+ {"add-set", 1, NULL, '1'},
+ {"del-set", 1, NULL, '2'},
+ { }
+};
+
+static void SET_init(struct xt_entry_target *target)
+{
+ struct ipt_set_info_target *info =
+ (struct ipt_set_info_target *) target->data;
+
+ memset(info, 0, sizeof(struct ipt_set_info_target));
+ info->add_set.index =
+ info->del_set.index = IP_SET_INVALID_ID;
+
+}
+
+static void
+parse_target(char **argv, int invert, unsigned int *flags,
+ struct ipt_set_info *info, const char *what)
+{
+ if (info->flags[0])
+ xtables_error(PARAMETER_PROBLEM,
+ "--%s can be specified only once", what);
+
+ if (xtables_check_inverse(optarg, &invert, NULL, 0))
+ xtables_error(PARAMETER_PROBLEM,
+ "Unexpected `!' after --%s", what);
+
+ if (!argv[optind]
+ || argv[optind][0] == '-' || argv[optind][0] == '!')
+ xtables_error(PARAMETER_PROBLEM,
+ "--%s requires two args.", what);
+
+ 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);
+ optind++;
+
+ *flags = 1;
+}
+
+static int SET_parse(int c, char **argv, int invert, unsigned int *flags,
+ const void *entry, struct xt_entry_target **target)
+{
+ struct ipt_set_info_target *myinfo =
+ (struct ipt_set_info_target *) (*target)->data;
+
+ switch (c) {
+ case '1': /* --add-set <set> <flags> */
+ parse_target(argv, invert, flags,
+ &myinfo->add_set, "add-set");
+ break;
+ case '2': /* --del-set <set>[:<flags>] <flags> */
+ parse_target(argv, invert, flags,
+ &myinfo->del_set, "del-set");
+ break;
+
+ default:
+ return 0;
+ }
+ return 1;
+}
+
+static void SET_check(unsigned int flags)
+{
+ if (!flags)
+ xtables_error(PARAMETER_PROBLEM,
+ "You must specify either `--add-set' or `--del-set'");
+}
+
+static void
+print_target(const char *prefix, const struct ipt_set_info *info)
+{
+ int i;
+
+ printf("%s %s", 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(" ");
+}
+
+static void SET_print(const void *ip, const struct xt_entry_target *target,
+ int numeric)
+{
+ struct ipt_set_info_target *info =
+ (struct ipt_set_info_target *) target->data;
+
+ print_target("add-set", &info->add_set);
+ print_target("del-set", &info->del_set);
+}
+
+static void SET_save(const void *ip, const struct xt_entry_target *target)
+{
+ struct ipt_set_info_target *info =
+ (struct ipt_set_info_target *) target->data;
+
+ print_target("--add-set", &info->add_set);
+ print_target("--del-set", &info->del_set);
+}
+
+static struct xtables_target set_tg_reg = {
+ .name = "SET",
+ .version = XTABLES_VERSION,
+ .family = NFPROTO_IPV4,
+ .size = XT_ALIGN(sizeof(struct ipt_set_info_target)),
+ .userspacesize = XT_ALIGN(sizeof(struct ipt_set_info_target)),
+ .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_target(&set_tg_reg);
+}