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master
tests/access.c
60 строк
1 KB
Renaud Métrich
Implement --secontext[=full] option to display SELinux contexts
04 апр 2021, 15:04
04 апр 2021, 15:04
e921913
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/* * 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 <fcntl.h> # include <stdio.h> # include <unistd.h> # 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