minix/tests/lib/libc/sys/t_stat.c

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/* $NetBSD: t_stat.c,v 1.4 2012/03/17 08:37:08 jruoho Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jukka Ruohonen.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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 <sys/cdefs.h>
__RCSID("$NetBSD: t_stat.c,v 1.4 2012/03/17 08:37:08 jruoho Exp $");
#include <sys/stat.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <atf-c.h>
#include <errno.h>
#include <fcntl.h>
#include <fts.h>
#include <limits.h>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
static const char *path = "stat";
ATF_TC_WITH_CLEANUP(stat_chflags);
ATF_TC_HEAD(stat_chflags, tc)
{
atf_tc_set_md_var(tc, "descr", "Test chflags(2) with stat(2)");
}
ATF_TC_BODY(stat_chflags, tc)
{
struct stat sa, sb;
int fd;
(void)memset(&sa, 0, sizeof(struct stat));
(void)memset(&sb, 0, sizeof(struct stat));
fd = open(path, O_RDONLY | O_CREAT);
ATF_REQUIRE(fd != -1);
ATF_REQUIRE(stat(path, &sa) == 0);
ATF_REQUIRE(chflags(path, UF_NODUMP) == 0);
ATF_REQUIRE(stat(path, &sb) == 0);
if (sa.st_flags == sb.st_flags)
atf_tc_fail("stat(2) did not detect chflags(2)");
ATF_REQUIRE(close(fd) == 0);
ATF_REQUIRE(unlink(path) == 0);
}
ATF_TC_CLEANUP(stat_chflags, tc)
{
(void)unlink(path);
}
ATF_TC(stat_dir);
ATF_TC_HEAD(stat_dir, tc)
{
atf_tc_set_md_var(tc, "descr", "Test stat(2) with directories");
}
ATF_TC_BODY(stat_dir, tc)
{
const short depth = 2;
struct stat sa, sb;
char *argv[2];
FTSENT *ftse;
FTS *fts;
int ops;
argv[1] = NULL;
argv[0] = __UNCONST("/");
ops = FTS_NOCHDIR;
ops |= FTS_PHYSICAL;
fts = fts_open(argv, ops, NULL);
ATF_REQUIRE(fts != NULL);
while ((ftse = fts_read(fts)) != NULL) {
if (ftse->fts_level < 1)
continue;
if (ftse->fts_level > depth) {
(void)fts_set(fts, ftse, FTS_SKIP);
continue;
}
switch(ftse->fts_info) {
case FTS_DP:
(void)memset(&sa, 0, sizeof(struct stat));
(void)memset(&sb, 0, sizeof(struct stat));
ATF_REQUIRE(stat(ftse->fts_parent->fts_path,&sa) == 0);
ATF_REQUIRE(chdir(ftse->fts_path) == 0);
ATF_REQUIRE(stat(".", &sb) == 0);
/*
* The previous two stat(2) calls
* should be for the same directory.
*/
if (sa.st_dev != sb.st_dev || sa.st_ino != sb.st_ino)
atf_tc_fail("inconsistent stat(2)");
/*
* Check that fts(3)'s stat(2)
* call equals the manual one.
*/
if (sb.st_ino != ftse->fts_statp->st_ino)
atf_tc_fail("stat(2) and fts(3) differ");
break;
default:
break;
}
}
(void)fts_close(fts);
}
ATF_TC(stat_err);
ATF_TC_HEAD(stat_err, tc)
{
atf_tc_set_md_var(tc, "descr", "Test errors from the stat(2) family");
}
ATF_TC_BODY(stat_err, tc)
{
char buf[NAME_MAX + 1];
struct stat st;
(void)memset(buf, 'x', sizeof(buf));
errno = 0;
ATF_REQUIRE_ERRNO(EBADF, fstat(-1, &st) == -1);
errno = 0;
ATF_REQUIRE_ERRNO(ENAMETOOLONG, stat(buf, &st) == -1);
errno = 0;
ATF_REQUIRE_ERRNO(ENAMETOOLONG, lstat(buf, &st) == -1);
errno = 0;
ATF_REQUIRE_ERRNO(EFAULT, stat((void *)-1, &st) == -1);
errno = 0;
ATF_REQUIRE_ERRNO(EFAULT, lstat((void *)-1, &st) == -1);
errno = 0;
ATF_REQUIRE_ERRNO(EFAULT, stat("/etc/passwd", (void *)-1) == -1);
errno = 0;
ATF_REQUIRE_ERRNO(EFAULT, lstat("/etc/passwd", (void *)-1) == -1);
errno = 0;
ATF_REQUIRE_ERRNO(ENOENT, stat("/a/b/c/d/e/f/g/h/i/j/k", &st) == -1);
errno = 0;
ATF_REQUIRE_ERRNO(ENOENT, lstat("/a/b/c/d/e/f/g/h/i/j/k", &st) == -1);
}
ATF_TC_WITH_CLEANUP(stat_mtime);
ATF_TC_HEAD(stat_mtime, tc)
{
atf_tc_set_md_var(tc, "descr", "Test modification times with stat(2)");
}
ATF_TC_BODY(stat_mtime, tc)
{
struct stat sa, sb;
int fd[3];
size_t i;
for (i = 0; i < __arraycount(fd); i++) {
(void)memset(&sa, 0, sizeof(struct stat));
(void)memset(&sb, 0, sizeof(struct stat));
fd[i] = open(path, O_WRONLY | O_CREAT);
ATF_REQUIRE(fd[i] != -1);
ATF_REQUIRE(write(fd[i], "X", 1) == 1);
ATF_REQUIRE(stat(path, &sa) == 0);
(void)sleep(1);
ATF_REQUIRE(write(fd[i], "X", 1) == 1);
ATF_REQUIRE(stat(path, &sb) == 0);
ATF_REQUIRE(close(fd[i]) == 0);
ATF_REQUIRE(unlink(path) == 0);
if (sa.st_mtime == sb.st_mtime)
atf_tc_fail("mtimes did not change");
}
}
ATF_TC_CLEANUP(stat_mtime, tc)
{
(void)unlink(path);
}
ATF_TC_WITH_CLEANUP(stat_perm);
ATF_TC_HEAD(stat_perm, tc)
{
atf_tc_set_md_var(tc, "descr", "Test permissions with stat(2)");
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(stat_perm, tc)
{
struct stat sa, sb;
gid_t gid;
uid_t uid;
int fd;
(void)memset(&sa, 0, sizeof(struct stat));
(void)memset(&sb, 0, sizeof(struct stat));
uid = getuid();
gid = getgid();
fd = open(path, O_RDONLY | O_CREAT);
ATF_REQUIRE(fd != -1);
ATF_REQUIRE(fstat(fd, &sa) == 0);
ATF_REQUIRE(stat(path, &sb) == 0);
if (gid != sa.st_gid || sa.st_gid != sb.st_gid)
atf_tc_fail("invalid GID");
if (uid != sa.st_uid || sa.st_uid != sb.st_uid)
atf_tc_fail("invalid UID");
ATF_REQUIRE(close(fd) == 0);
ATF_REQUIRE(unlink(path) == 0);
}
ATF_TC_CLEANUP(stat_perm, tc)
{
(void)unlink(path);
}
ATF_TC_WITH_CLEANUP(stat_size);
ATF_TC_HEAD(stat_size, tc)
{
atf_tc_set_md_var(tc, "descr", "Test file sizes with stat(2)");
}
ATF_TC_BODY(stat_size, tc)
{
struct stat sa, sb, sc;
const size_t n = 10;
size_t i;
int fd;
fd = open(path, O_WRONLY | O_CREAT);
ATF_REQUIRE(fd >= 0);
for (i = 0; i < n; i++) {
(void)memset(&sa, 0, sizeof(struct stat));
(void)memset(&sb, 0, sizeof(struct stat));
(void)memset(&sc, 0, sizeof(struct stat));
ATF_REQUIRE(fstat(fd, &sa) == 0);
ATF_REQUIRE(write(fd, "X", 1) == 1);
ATF_REQUIRE(fstat(fd, &sb) == 0);
ATF_REQUIRE(stat(path, &sc) == 0);
if (sa.st_size + 1 != sb.st_size)
atf_tc_fail("invalid file size");
if (sb.st_size != sc.st_size)
atf_tc_fail("stat(2) and fstat(2) mismatch");
}
ATF_REQUIRE(close(fd) == 0);
ATF_REQUIRE(unlink(path) == 0);
}
ATF_TC_CLEANUP(stat_size, tc)
{
(void)unlink(path);
}
ATF_TC(stat_socket);
ATF_TC_HEAD(stat_socket, tc)
{
atf_tc_set_md_var(tc, "descr", "Test fstat(2) with "
"a socket (PR kern/46077)");
}
ATF_TC_BODY(stat_socket, tc)
{
struct sockaddr_in addr;
struct stat st;
uint32_t iaddr;
int fd, flags;
(void)memset(&st, 0, sizeof(struct stat));
(void)memset(&addr, 0, sizeof(struct sockaddr_in));
fd = socket(AF_INET, SOCK_STREAM, 0);
ATF_REQUIRE(fd >= 0);
flags = fcntl(fd, F_GETFL);
ATF_REQUIRE(flags != -1);
ATF_REQUIRE(fcntl(fd, F_SETFL, flags | O_NONBLOCK) != -1);
ATF_REQUIRE(inet_pton(AF_INET, "127.0.0.1", &iaddr) == 1);
addr.sin_port = htons(42);
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = iaddr;
errno = 0;
ATF_REQUIRE_ERRNO(EINPROGRESS,
connect(fd, (struct sockaddr *)&addr,
sizeof(struct sockaddr_in)) == -1);
errno = 0;
if (fstat(fd, &st) != 0 || errno != 0)
atf_tc_fail("fstat(2) failed for a EINPROGRESS socket");
(void)close(fd);
}
ATF_TC_WITH_CLEANUP(stat_symlink);
ATF_TC_HEAD(stat_symlink, tc)
{
atf_tc_set_md_var(tc, "descr", "Test symbolic links with stat(2)");
}
ATF_TC_BODY(stat_symlink, tc)
{
const char *pathlink = "pathlink";
struct stat sa, sb;
int fd;
(void)memset(&sa, 0, sizeof(struct stat));
(void)memset(&sb, 0, sizeof(struct stat));
fd = open(path, O_WRONLY | O_CREAT);
ATF_REQUIRE(fd >= 0);
ATF_REQUIRE(symlink(path, pathlink) == 0);
ATF_REQUIRE(stat(pathlink, &sa) == 0);
ATF_REQUIRE(lstat(pathlink, &sb) == 0);
if (S_ISLNK(sa.st_mode) != 0)
atf_tc_fail("stat(2) detected symbolic link");
if (S_ISLNK(sb.st_mode) == 0)
atf_tc_fail("lstat(2) did not detect symbolic link");
if (sa.st_mode == sb.st_mode)
atf_tc_fail("inconsistencies between stat(2) and lstat(2)");
ATF_REQUIRE(unlink(path) == 0);
ATF_REQUIRE(unlink(pathlink) == 0);
}
ATF_TC_CLEANUP(stat_symlink, tc)
{
(void)unlink(path);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, stat_chflags);
ATF_TP_ADD_TC(tp, stat_dir);
ATF_TP_ADD_TC(tp, stat_err);
ATF_TP_ADD_TC(tp, stat_mtime);
ATF_TP_ADD_TC(tp, stat_perm);
ATF_TP_ADD_TC(tp, stat_size);
ATF_TP_ADD_TC(tp, stat_socket);
ATF_TP_ADD_TC(tp, stat_symlink);
return atf_no_error();
}