| /* |
| * Copyright (c) 2016 Katerina Koukiou <k.koukiou@gmail.com> |
| * Copyright (c) 2016-2018 The strace developers. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "tests.h" |
| #include <asm/unistd.h> |
| |
| #ifdef __NR_openat |
| |
| # include <asm/fcntl.h> |
| # include <stdio.h> |
| # include <unistd.h> |
| |
| #ifdef O_TMPFILE |
| /* The kernel & C libraries often inline O_DIRECTORY. */ |
| # define STRACE_O_TMPFILE (O_TMPFILE & ~O_DIRECTORY) |
| #else |
| # define STRACE_O_TMPFILE 0 |
| #endif |
| |
| static const char sample[] = "openat.sample"; |
| |
| static void |
| test_mode_flag(unsigned int mode_val, const char *mode_str, |
| unsigned int flag_val, const char *flag_str) |
| { |
| long rc = syscall(__NR_openat, -1, sample, mode_val | flag_val, 0); |
| printf("openat(-1, \"%s\", %s%s%s%s) = %s\n", |
| sample, mode_str, |
| flag_val ? "|" : "", flag_str, |
| flag_val & (O_CREAT | STRACE_O_TMPFILE) ? ", 000" : "", |
| sprintrc(rc)); |
| } |
| |
| int |
| main(void) |
| { |
| long fd = syscall(__NR_openat, -100, sample, O_RDONLY|O_CREAT, 0400); |
| printf("openat(AT_FDCWD, \"%s\", O_RDONLY|O_CREAT, 0400) = %s\n", |
| sample, sprintrc(fd)); |
| |
| if (fd != -1) { |
| close(fd); |
| if (unlink(sample) == -1) |
| perror_msg_and_fail("unlink"); |
| |
| fd = syscall(__NR_openat, -100, sample, O_RDONLY); |
| printf("openat(AT_FDCWD, \"%s\", O_RDONLY) = %s\n", |
| sample, sprintrc(fd)); |
| } |
| |
| struct { |
| unsigned int val; |
| const char *str; |
| } modes[] = { |
| { ARG_STR(O_RDONLY) }, |
| { ARG_STR(O_WRONLY) }, |
| { ARG_STR(O_RDWR) }, |
| { ARG_STR(O_ACCMODE) } |
| }, flags[] = { |
| { ARG_STR(O_APPEND) }, |
| { ARG_STR(O_DIRECT) }, |
| { ARG_STR(O_DIRECTORY) }, |
| { ARG_STR(O_EXCL) }, |
| { ARG_STR(O_LARGEFILE) }, |
| { ARG_STR(O_NOATIME) }, |
| { ARG_STR(O_NOCTTY) }, |
| { ARG_STR(O_NOFOLLOW) }, |
| { ARG_STR(O_NONBLOCK) }, |
| { ARG_STR(O_SYNC) }, |
| { ARG_STR(O_TRUNC) }, |
| { ARG_STR(O_CREAT) }, |
| # ifdef O_CLOEXEC |
| { ARG_STR(O_CLOEXEC) }, |
| # endif |
| # ifdef O_DSYNC |
| { ARG_STR(O_DSYNC) }, |
| # endif |
| # ifdef __O_SYNC |
| { ARG_STR(__O_SYNC) }, |
| # endif |
| # ifdef O_PATH |
| { ARG_STR(O_PATH) }, |
| # endif |
| # ifdef O_TMPFILE |
| { ARG_STR(O_TMPFILE) }, |
| # endif |
| # ifdef __O_TMPFILE |
| { ARG_STR(__O_TMPFILE) }, |
| # endif |
| { ARG_STR(0x80000000) }, |
| { 0, "" } |
| }; |
| |
| for (unsigned int m = 0; m < ARRAY_SIZE(modes); ++m) |
| for (unsigned int f = 0; f < ARRAY_SIZE(flags); ++f) |
| test_mode_flag(modes[m].val, modes[m].str, |
| flags[f].val, flags[f].str); |
| |
| puts("+++ exited with 0 +++"); |
| return 0; |
| } |
| |
| #else |
| |
| SKIP_MAIN_UNDEFINED("__NR_openat") |
| |
| #endif |