[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_SECMARK.c b/ap/app/iptables/extensions/libxt_SECMARK.c
new file mode 100755
index 0000000..9db2327
--- /dev/null
+++ b/ap/app/iptables/extensions/libxt_SECMARK.c
@@ -0,0 +1,113 @@
+/*
+ * Shared library add-on to iptables to add SECMARK target support.
+ *
+ * Based on the MARK target.
+ *
+ * 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_SECMARK.h>
+
+#define PFX "SECMARK target: "
+
+static void SECMARK_help(void)
+{
+ printf(
+"SECMARK target options:\n"
+" --selctx value Set the SELinux security context\n");
+}
+
+static const struct option SECMARK_opts[] = {
+ { "selctx", 1, NULL, '1' },
+ { .name = NULL }
+};
+
+static int SECMARK_parse(int c, char **argv, int invert, unsigned int *flags,
+ const void *entry, struct xt_entry_target **target)
+{
+ struct xt_secmark_target_info *info =
+ (struct xt_secmark_target_info*)(*target)->data;
+
+ switch (c) {
+ case '1':
+ if (*flags & SECMARK_MODE_SEL)
+ xtables_error(PARAMETER_PROBLEM, PFX
+ "Can't specify --selctx twice");
+ info->mode = SECMARK_MODE_SEL;
+
+ if (strlen(optarg) > SECMARK_SELCTX_MAX-1)
+ xtables_error(PARAMETER_PROBLEM, PFX
+ "Maximum length %u exceeded by --selctx"
+ " parameter (%zu)",
+ SECMARK_SELCTX_MAX-1, strlen(optarg));
+
+ strcpy(info->u.sel.selctx, optarg);
+ *flags |= SECMARK_MODE_SEL;
+ break;
+ default:
+ return 0;
+ }
+
+ return 1;
+}
+
+static void SECMARK_check(unsigned int flags)
+{
+ if (!flags)
+ xtables_error(PARAMETER_PROBLEM, PFX "parameter required");
+}
+
+static void print_secmark(struct xt_secmark_target_info *info)
+{
+ switch (info->mode) {
+ case SECMARK_MODE_SEL:
+ printf("selctx %s ", info->u.sel.selctx);\
+ break;
+
+ default:
+ xtables_error(OTHER_PROBLEM, PFX "invalid mode %hhu\n", info->mode);
+ }
+}
+
+static void SECMARK_print(const void *ip, const struct xt_entry_target *target,
+ int numeric)
+{
+ struct xt_secmark_target_info *info =
+ (struct xt_secmark_target_info*)(target)->data;
+
+ printf("SECMARK ");
+ print_secmark(info);
+}
+
+static void SECMARK_save(const void *ip, const struct xt_entry_target *target)
+{
+ struct xt_secmark_target_info *info =
+ (struct xt_secmark_target_info*)target->data;
+
+ printf("--");
+ print_secmark(info);
+}
+
+static struct xtables_target secmark_target = {
+ .family = AF_UNSPEC,
+ .name = "SECMARK",
+ .version = XTABLES_VERSION,
+ .revision = 0,
+ .size = XT_ALIGN(sizeof(struct xt_secmark_target_info)),
+ .userspacesize = XT_ALIGN(sizeof(struct xt_secmark_target_info)),
+ .help = SECMARK_help,
+ .parse = SECMARK_parse,
+ .final_check = SECMARK_check,
+ .print = SECMARK_print,
+ .save = SECMARK_save,
+ .extra_opts = SECMARK_opts,
+};
+
+void _init(void)
+{
+ xtables_register_target(&secmark_target);
+}