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1d0e51b24c
Conform the layout, informational and status messages to TAP. No functional change is intended other than the layout of output messages. While at it, do minor cleanups like move the declarations of the variables on top of the function. Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Link: https://lore.kernel.org/r/20240304155928.1818928-3-usama.anjum@collabora.com Signed-off-by: Kees Cook <keescook@chromium.org>
67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
/*
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* Copyright (c) 2019 Alexey Dobriyan <adobriyan@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* Test that pointing #! script interpreter to self doesn't recurse. */
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#include <errno.h>
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#include <sched.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/mount.h>
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#include <unistd.h>
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#include "../kselftest.h"
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int main(void)
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{
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int fd, rv;
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ksft_print_header();
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ksft_set_plan(1);
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if (unshare(CLONE_NEWNS) == -1) {
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if (errno == ENOSYS || errno == EPERM) {
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ksft_test_result_skip("error: unshare, errno %d\n", errno);
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ksft_finished();
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}
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ksft_exit_fail_msg("error: unshare, errno %d\n", errno);
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}
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if (mount(NULL, "/", NULL, MS_PRIVATE | MS_REC, NULL) == -1)
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ksft_exit_fail_msg("error: mount '/', errno %d\n", errno);
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/* Require "exec" filesystem. */
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if (mount(NULL, "/tmp", "ramfs", 0, NULL) == -1)
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ksft_exit_fail_msg("error: mount ramfs, errno %d\n", errno);
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#define FILENAME "/tmp/1"
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fd = creat(FILENAME, 0700);
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if (fd == -1)
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ksft_exit_fail_msg("error: creat, errno %d\n", errno);
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#define S "#!" FILENAME "\n"
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if (write(fd, S, strlen(S)) != strlen(S))
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ksft_exit_fail_msg("error: write, errno %d\n", errno);
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close(fd);
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rv = execve(FILENAME, NULL, NULL);
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ksft_test_result(rv == -1 && errno == ELOOP,
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"execve failed as expected (ret %d, errno %d)\n", rv, errno);
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ksft_finished();
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}
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