/* * Copyright (c) 2016-2021 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #include "scno.h" #ifdef __NR_access # include # include # include # include "secontext.h" int main(void) { /* * Make sure the current workdir of the tracee * is different from the current workdir of the tracer. */ create_and_enter_subdir("access_subdir"); char *my_secontext = SECONTEXT_PID_MY(); static const char sample[] = "access_sample"; (void) unlink(sample); if (open(sample, O_CREAT|O_RDONLY, 0400) == -1) perror_msg_and_fail("open: %s", sample); long rc = syscall(__NR_access, sample, F_OK); printf("%s%s(\"%s\"%s, F_OK) = %s\n", my_secontext, "access", sample, SECONTEXT_FILE(sample), sprintrc(rc)); if (unlink(sample)) perror_msg_and_fail("unlink: %s", sample); rc = syscall(__NR_access, sample, R_OK|W_OK|X_OK); printf("%s%s(\"%s\", R_OK|W_OK|X_OK) = %s\n", my_secontext, "access", sample, sprintrc(rc)); leave_and_remove_subdir(); puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("__NR_access") #endif