ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/tools/testing/selftests/capabilities/validate_cap.c b/marvell/linux/tools/testing/selftests/capabilities/validate_cap.c
new file mode 100644
index 0000000..cdfc942
--- /dev/null
+++ b/marvell/linux/tools/testing/selftests/capabilities/validate_cap.c
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <cap-ng.h>
+#include <linux/capability.h>
+#include <stdbool.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/prctl.h>
+#include <sys/auxv.h>
+
+#include "../kselftest.h"
+
+#ifndef PR_CAP_AMBIENT
+#define PR_CAP_AMBIENT 47
+# define PR_CAP_AMBIENT_IS_SET 1
+# define PR_CAP_AMBIENT_RAISE 2
+# define PR_CAP_AMBIENT_LOWER 3
+# define PR_CAP_AMBIENT_CLEAR_ALL 4
+#endif
+
+#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19)
+# define HAVE_GETAUXVAL
+#endif
+
+static bool bool_arg(char **argv, int i)
+{
+ if (!strcmp(argv[i], "0"))
+ return false;
+ else if (!strcmp(argv[i], "1"))
+ return true;
+ else {
+ ksft_exit_fail_msg("wrong argv[%d]\n", i);
+ return false;
+ }
+}
+
+int main(int argc, char **argv)
+{
+ const char *atsec = "";
+
+ /*
+ * Be careful just in case a setgid or setcapped copy of this
+ * helper gets out.
+ */
+
+ if (argc != 5)
+ ksft_exit_fail_msg("wrong argc\n");
+
+#ifdef HAVE_GETAUXVAL
+ if (getauxval(AT_SECURE))
+ atsec = " (AT_SECURE is set)";
+ else
+ atsec = " (AT_SECURE is not set)";
+#endif
+
+ capng_get_caps_process();
+
+ if (capng_have_capability(CAPNG_EFFECTIVE, CAP_NET_BIND_SERVICE) != bool_arg(argv, 1)) {
+ ksft_print_msg("Wrong effective state%s\n", atsec);
+ return 1;
+ }
+
+ if (capng_have_capability(CAPNG_PERMITTED, CAP_NET_BIND_SERVICE) != bool_arg(argv, 2)) {
+ ksft_print_msg("Wrong permitted state%s\n", atsec);
+ return 1;
+ }
+
+ if (capng_have_capability(CAPNG_INHERITABLE, CAP_NET_BIND_SERVICE) != bool_arg(argv, 3)) {
+ ksft_print_msg("Wrong inheritable state%s\n", atsec);
+ return 1;
+ }
+
+ if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_IS_SET, CAP_NET_BIND_SERVICE, 0, 0, 0) != bool_arg(argv, 4)) {
+ ksft_print_msg("Wrong ambient state%s\n", atsec);
+ return 1;
+ }
+
+ ksft_print_msg("%s: Capabilities after execve were correct\n",
+ "validate_cap:");
+ return 0;
+}