tests/inotify.c - master - githubmirror/strace

tests/inotify.c
71 строка2 KB
Dmitry V. Levin
Update copyright headers
25 сен 2019, 04:02
25 сен 2019, 04:0234370db
/*
 * Check decoding of inotify_add_watch and inotify_rm_watch syscalls.
 *
 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
 * Copyright (c) 2016-2019 The strace developers.
 * All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#include "tests.h"

#include "scno.h"

#if defined(__NR_inotify_add_watch) && defined(__NR_inotify_rm_watch)

# include <stdio.h>
# include <string.h>
# include <unistd.h>

int
main(void)
{
	static const struct {
		const char *path;
		const char *str;
	} bogus_path_str = {
		ARG_STR("/abc\1/def\2/ghi\3/jkl\4/mno\5/pqr\6/stu\7/vwx\10") };
	static const kernel_ulong_t bogus_fd =
		(kernel_ulong_t) 0xfffffeedfffffaceULL;
	static const kernel_ulong_t bogus_mask =
		(kernel_ulong_t) 0xffffda7affffdeadULL;
	static const char *bogus_mask_str = "IN_ACCESS|IN_ATTRIB|"
		"IN_CLOSE_WRITE|IN_OPEN|IN_MOVED_TO|IN_DELETE|IN_DELETE_SELF|"
		"IN_MOVE_SELF|IN_Q_OVERFLOW|IN_IGNORED|IN_ONLYDIR|"
		"IN_DONT_FOLLOW|IN_EXCL_UNLINK|IN_MASK_CREATE|IN_MASK_ADD|"
		"IN_ISDIR|IN_ONESHOT|0x8ff1000";

	long rc;
	char *bogus_path = tail_memdup(bogus_path_str.path,
		strlen(bogus_path_str.path) + 1);

	rc = syscall(__NR_inotify_add_watch, 0, NULL, 0);
	printf("inotify_add_watch(0, NULL, 0) = %s\n", sprintrc(rc));

	rc = syscall(__NR_inotify_add_watch, bogus_fd, bogus_path + 4096, 0);
	printf("inotify_add_watch(%d, %p, %u) = %s\n",
	       (int) bogus_fd, bogus_path + 4096, 0, sprintrc(rc));

	rc = syscall(__NR_inotify_add_watch, bogus_fd, bogus_path, bogus_mask);
	printf("inotify_add_watch(%d, %s, %s) = %s\n",
	       (int) bogus_fd, bogus_path_str.str, bogus_mask_str,
	       sprintrc(rc));

	rc = syscall(__NR_inotify_rm_watch, 0, 0);
	printf("inotify_rm_watch(0, 0) = %s\n", sprintrc(rc));

	rc = syscall(__NR_inotify_rm_watch, bogus_fd, bogus_fd);
	printf("inotify_rm_watch(%d, %d) = %s\n",
	       (int) bogus_fd, (int) bogus_fd, sprintrc(rc));

	puts("+++ exited with 0 +++");

	return 0;
}

#else

SKIP_MAIN_UNDEFINED("__NR_inotify_add_watch && __NR_inotify_rm_watch");

#endif