[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_CONNSECMARK.c b/ap/app/iptables/extensions/libxt_CONNSECMARK.c
new file mode 100755
index 0000000..1515f6f
--- /dev/null
+++ b/ap/app/iptables/extensions/libxt_CONNSECMARK.c
@@ -0,0 +1,143 @@
+/*
+ * Shared library add-on to iptables to add CONNSECMARK target support.
+ *
+ * Based on the MARK and CONNMARK targets.
+ *
+ * Copyright (C) 2006 Red Hat, Inc., James Morris <jmorris@redhat.com>
+ */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <xtables.h>
+#include <linux/netfilter/xt_CONNSECMARK.h>
+
+#define PFX "CONNSECMARK target: "
+
+static void CONNSECMARK_help(void)
+{
+ printf(
+"CONNSECMARK target options:\n"
+" --save Copy security mark from packet to conntrack\n"
+" --restore Copy security mark from connection to packet\n");
+}
+
+static const struct option CONNSECMARK_opts[] = {
+ { "save", 0, NULL, '1' },
+ { "restore", 0, NULL, '2' },
+ { .name = NULL }
+};
+
+static int
+CONNSECMARK_parse(int c, char **argv, int invert, unsigned int *flags,
+ const void *entry, struct xt_entry_target **target)
+{
+ struct xt_connsecmark_target_info *info =
+ (struct xt_connsecmark_target_info*)(*target)->data;
+
+ switch (c) {
+ case '1':
+ if (*flags & CONNSECMARK_SAVE)
+ xtables_error(PARAMETER_PROBLEM, PFX
+ "Can't specify --save twice");
+ info->mode = CONNSECMARK_SAVE;
+ *flags |= CONNSECMARK_SAVE;
+ break;
+
+ case '2':
+ if (*flags & CONNSECMARK_RESTORE)
+ xtables_error(PARAMETER_PROBLEM, PFX
+ "Can't specify --restore twice");
+ info->mode = CONNSECMARK_RESTORE;
+ *flags |= CONNSECMARK_RESTORE;
+ break;
+
+ default:
+ return 0;
+ }
+
+ return 1;
+}
+
+static void CONNSECMARK_check(unsigned int flags)
+{
+ if (!flags)
+ xtables_error(PARAMETER_PROBLEM, PFX "parameter required");
+
+ if (flags == (CONNSECMARK_SAVE|CONNSECMARK_RESTORE))
+ xtables_error(PARAMETER_PROBLEM, PFX "only one flag of --save "
+ "or --restore is allowed");
+}
+
+static void print_connsecmark(struct xt_connsecmark_target_info *info)
+{
+ switch (info->mode) {
+ case CONNSECMARK_SAVE:
+ printf("save ");
+ break;
+
+ case CONNSECMARK_RESTORE:
+ printf("restore ");
+ break;
+
+ default:
+ xtables_error(OTHER_PROBLEM, PFX "invalid mode %hhu\n", info->mode);
+ }
+}
+
+static void
+CONNSECMARK_print(const void *ip, const struct xt_entry_target *target,
+ int numeric)
+{
+ struct xt_connsecmark_target_info *info =
+ (struct xt_connsecmark_target_info*)(target)->data;
+
+ printf("CONNSECMARK ");
+ print_connsecmark(info);
+}
+
+static void
+CONNSECMARK_save(const void *ip, const struct xt_entry_target *target)
+{
+ struct xt_connsecmark_target_info *info =
+ (struct xt_connsecmark_target_info*)target->data;
+
+ printf("--");
+ print_connsecmark(info);
+}
+
+static struct xtables_target connsecmark_target = {
+ .family = NFPROTO_IPV4,
+ .name = "CONNSECMARK",
+ .version = XTABLES_VERSION,
+ .revision = 0,
+ .size = XT_ALIGN(sizeof(struct xt_connsecmark_target_info)),
+ .userspacesize = XT_ALIGN(sizeof(struct xt_connsecmark_target_info)),
+ .parse = CONNSECMARK_parse,
+ .help = CONNSECMARK_help,
+ .final_check = CONNSECMARK_check,
+ .print = CONNSECMARK_print,
+ .save = CONNSECMARK_save,
+ .extra_opts = CONNSECMARK_opts,
+};
+
+static struct xtables_target connsecmark_target6 = {
+ .family = NFPROTO_IPV6,
+ .name = "CONNSECMARK",
+ .version = XTABLES_VERSION,
+ .revision = 0,
+ .size = XT_ALIGN(sizeof(struct xt_connsecmark_target_info)),
+ .userspacesize = XT_ALIGN(sizeof(struct xt_connsecmark_target_info)),
+ .parse = CONNSECMARK_parse,
+ .help = CONNSECMARK_help,
+ .final_check = CONNSECMARK_check,
+ .print = CONNSECMARK_print,
+ .save = CONNSECMARK_save,
+ .extra_opts = CONNSECMARK_opts,
+};
+
+void _init(void)
+{
+ xtables_register_target(&connsecmark_target);
+ xtables_register_target(&connsecmark_target6);
+}