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Message-Id: <E1IaJfr-00054P-00@dorka.pomaz.szeredi.hu>
Date: Wed, 26 Sep 2007 01:18:39 +0200
From: Miklos Szeredi <miklos@...redi.hu>
To: haveblue@...ibm.com
CC: miklos@...redi.hu, akpm@...ux-foundation.org,
linux-kernel@...r.kernel.org
Subject: Re: [patch] fix sys_mknodat breakage from r/o bind mounts
> > From: Miklos Szeredi <mszeredi@...e.cz>
> >
> > mknod("foo", 0644) returns EINVAL, even though it should succeed.
>
> Just to clarify, this is for when we use mknod to create normal,
> non-device files, right?
Yes.
> I'm curious, do you have a normal program that uses mknod(2) this way?
> I'd like to add it to my test scripts.
I have a test program in the fuse CVS. Here it is:
----
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <dirent.h>
#include <utime.h>
#include <errno.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
static char testfile[1024];
static char testfile2[1024];
static char testdir[1024];
static char testdir2[1024];
static char testname[256];
static char testdata[] = "abcdefghijklmnopqrstuvwxyz";
static char testdata2[] = "1234567890-=qwertyuiop[]\asdfghjkl;'zxcvbnm,./";
static const char *testdir_files[] = { "f1", "f2", NULL};
static char zerodata[4096];
static int testdatalen = sizeof(testdata) - 1;
static int testdata2len = sizeof(testdata2) - 1;
#define MAX_ENTRIES 1024
static void test_perror(const char *func, const char *msg)
{
fprintf(stderr, "[%s] %s() - %s: %s\n", testname, func, msg,
strerror(errno));
}
static void test_error(const char *func, const char *msg, ...)
__attribute__ ((format (printf, 2, 3)));
static void start_test(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
static void test_error(const char *func, const char *msg, ...)
{
va_list ap;
fprintf(stderr, "[%s] %s() - ", testname, func);
va_start(ap, msg);
vfprintf(stderr, msg, ap);
va_end(ap);
fprintf(stderr, "\n");
}
static void success(void)
{
fprintf(stderr, "[%s] OK\n", testname);
}
static void start_test(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vsprintf(testname, fmt, ap);
va_end(ap);
}
#define PERROR(msg) test_perror(__FUNCTION__, msg)
#define ERROR(msg, args...) test_error(__FUNCTION__, msg, ##args)
static int check_size(const char *path, int len)
{
struct stat stbuf;
int res = stat(path, &stbuf);
if (res == -1) {
PERROR("stat");
return -1;
}
if (stbuf.st_size != len) {
ERROR("length %u instead of %u", (int) stbuf.st_size, (int) len);
return -1;
}
return 0;
}
static int fcheck_size(int fd, int len)
{
struct stat stbuf;
int res = fstat(fd, &stbuf);
if (res == -1) {
PERROR("fstat");
return -1;
}
if (stbuf.st_size != len) {
ERROR("length %u instead of %u", (int) stbuf.st_size, (int) len);
return -1;
}
return 0;
}
static int check_type(const char *path, mode_t type)
{
struct stat stbuf;
int res = lstat(path, &stbuf);
if (res == -1) {
PERROR("lstat");
return -1;
}
if ((stbuf.st_mode & S_IFMT) != type) {
ERROR("type 0%o instead of 0%o", stbuf.st_mode & S_IFMT, type);
return -1;
}
return 0;
}
static int fcheck_type(int fd, mode_t type)
{
struct stat stbuf;
int res = fstat(fd, &stbuf);
if (res == -1) {
PERROR("fstat");
return -1;
}
if ((stbuf.st_mode & S_IFMT) != type) {
ERROR("type 0%o instead of 0%o", stbuf.st_mode & S_IFMT, type);
return -1;
}
return 0;
}
static int check_mode(const char *path, mode_t mode)
{
struct stat stbuf;
int res = lstat(path, &stbuf);
if (res == -1) {
PERROR("lstat");
return -1;
}
if ((stbuf.st_mode & 07777) != mode) {
ERROR("mode 0%o instead of 0%o", stbuf.st_mode & 07777, mode);
return -1;
}
return 0;
}
static int fcheck_mode(int fd, mode_t mode)
{
struct stat stbuf;
int res = fstat(fd, &stbuf);
if (res == -1) {
PERROR("fstat");
return -1;
}
if ((stbuf.st_mode & 07777) != mode) {
ERROR("mode 0%o instead of 0%o", stbuf.st_mode & 07777, mode);
return -1;
}
return 0;
}
static int check_times(const char *path, time_t atime, time_t mtime)
{
int err = 0;
struct stat stbuf;
int res = lstat(path, &stbuf);
if (res == -1) {
PERROR("lstat");
return -1;
}
if (stbuf.st_atime != atime) {
ERROR("atime %li instead of %li", stbuf.st_atime, atime);
err--;
}
if (stbuf.st_mtime != mtime) {
ERROR("mtime %li instead of %li", stbuf.st_mtime, mtime);
err--;
}
if (err)
return -1;
return 0;
}
static int fcheck_times(int fd, time_t atime, time_t mtime)
{
int err = 0;
struct stat stbuf;
int res = fstat(fd, &stbuf);
if (res == -1) {
PERROR("fstat");
return -1;
}
if (stbuf.st_atime != atime) {
ERROR("atime %li instead of %li", stbuf.st_atime, atime);
err--;
}
if (stbuf.st_mtime != mtime) {
ERROR("mtime %li instead of %li", stbuf.st_mtime, mtime);
err--;
}
if (err)
return -1;
return 0;
}
static int check_nlink(const char *path, nlink_t nlink)
{
struct stat stbuf;
int res = lstat(path, &stbuf);
if (res == -1) {
PERROR("lstat");
return -1;
}
if (stbuf.st_nlink != nlink) {
ERROR("nlink %li instead of %li", (long) stbuf.st_nlink, (long) nlink);
return -1;
}
return 0;
}
static int fcheck_nlink(int fd, nlink_t nlink)
{
struct stat stbuf;
int res = fstat(fd, &stbuf);
if (res == -1) {
PERROR("fstat");
return -1;
}
if (stbuf.st_nlink != nlink) {
ERROR("nlink %li instead of %li", (long) stbuf.st_nlink, (long) nlink);
return -1;
}
return 0;
}
static int check_nonexist(const char *path)
{
struct stat stbuf;
int res = lstat(path, &stbuf);
if (res == 0) {
ERROR("file should not exist");
return -1;
}
if (errno != ENOENT) {
ERROR("file should not exist: %s", strerror(errno));
return -1;
}
return 0;
}
static int check_buffer(const char *buf, const char *data, unsigned len)
{
if (memcmp(buf, data, len) != 0) {
ERROR("data mismatch");
return -1;
}
return 0;
}
static int check_data(const char *path, const char *data, int offset,
unsigned len)
{
char buf[4096];
int res;
int fd = open(path, O_RDONLY);
if (fd == -1) {
PERROR("open");
return -1;
}
if (lseek(fd, offset, SEEK_SET) == (off_t) -1) {
PERROR("lseek");
close(fd);
return -1;
}
while (len) {
int rdlen = len < sizeof(buf) ? len : sizeof(buf);
res = read(fd, buf, rdlen);
if (res == -1) {
PERROR("read");
close(fd);
return -1;
}
if (res != rdlen) {
ERROR("short read: %u instead of %u", res, rdlen);
close(fd);
return -1;
}
if (check_buffer(buf, data, rdlen) != 0) {
close(fd);
return -1;
}
data += rdlen;
len -= rdlen;
}
res = close(fd);
if (res == -1) {
PERROR("close");
return -1;
}
return 0;
}
static int fcheck_data(int fd, const char *data, int offset,
unsigned len)
{
char buf[4096];
int res;
if (lseek(fd, offset, SEEK_SET) == (off_t) -1) {
PERROR("lseek");
return -1;
}
while (len) {
int rdlen = len < sizeof(buf) ? len : sizeof(buf);
res = read(fd, buf, rdlen);
if (res == -1) {
PERROR("read");
return -1;
}
if (res != rdlen) {
ERROR("short read: %u instead of %u", res, rdlen);
return -1;
}
if (check_buffer(buf, data, rdlen) != 0) {
return -1;
}
data += rdlen;
len -= rdlen;
}
return 0;
}
static int check_dir_contents(const char *path, const char **contents)
{
int i;
int res;
int err = 0;
int found[MAX_ENTRIES];
const char *cont[MAX_ENTRIES];
DIR *dp;
for (i = 0; contents[i]; i++) {
assert(i < MAX_ENTRIES - 3);
found[i] = 0;
cont[i] = contents[i];
}
found[i] = 0;
cont[i++] = ".";
found[i] = 0;
cont[i++] = "..";
cont[i] = NULL;
dp = opendir(path);
if (dp == NULL) {
PERROR("opendir");
return -1;
}
memset(found, 0, sizeof(found));
while(1) {
struct dirent *de;
errno = 0;
de = readdir(dp);
if (de == NULL) {
if (errno) {
PERROR("readdir");
closedir(dp);
return -1;
}
break;
}
for (i = 0; cont[i] != NULL; i++) {
assert(i < MAX_ENTRIES);
if (strcmp(cont[i], de->d_name) == 0) {
if (found[i]) {
ERROR("duplicate entry <%s>", de->d_name);
err--;
} else
found[i] = 1;
break;
}
}
if (!cont[i]) {
ERROR("unexpected entry <%s>", de->d_name);
err --;
}
}
for (i = 0; cont[i] != NULL; i++) {
if (!found[i]) {
ERROR("missing entry <%s>", cont[i]);
err--;
}
}
res = closedir(dp);
if (res == -1) {
PERROR("closedir");
return -1;
}
if (err)
return -1;
return 0;
}
static int create_file(const char *path, const char *data, int len)
{
int res;
int fd;
unlink(path);
fd = creat(path, 0644);
if (fd == -1) {
PERROR("creat");
return -1;
}
if (len) {
res = write(fd, data, len);
if (res == -1) {
PERROR("write");
close(fd);
return -1;
}
if (res != len) {
ERROR("write is short: %u instead of %u", res, len);
close(fd);
return -1;
}
}
res = close(fd);
if (res == -1) {
PERROR("close");
return -1;
}
res = check_type(path, S_IFREG);
if (res == -1)
return -1;
res = check_mode(path, 0644);
if (res == -1)
return -1;
res = check_nlink(path, 1);
if (res == -1)
return -1;
res = check_size(path, len);
if (res == -1)
return -1;
if (len) {
res = check_data(path, data, 0, len);
if (res == -1)
return -1;
}
return 0;
}
static int cleanup_dir(const char *path, const char **dir_files, int quiet)
{
int i;
int err = 0;
for (i = 0; dir_files[i]; i++) {
int res;
char fpath[1024];
sprintf(fpath, "%s/%s", path, dir_files[i]);
res = unlink(fpath);
if (res == -1 && !quiet) {
PERROR("unlink");
err --;
}
}
if (err)
return -1;
return 0;
}
static int create_dir(const char *path, const char **dir_files)
{
int res;
int i;
rmdir(path);
res = mkdir(path, 0755);
if (res == -1) {
PERROR("mkdir");
return -1;
}
res = check_type(path, S_IFDIR);
if (res == -1)
return -1;
res = check_mode(path, 0755);
if (res == -1)
return -1;
for (i = 0; dir_files[i]; i++) {
char fpath[1024];
sprintf(fpath, "%s/%s", path, dir_files[i]);
res = create_file(fpath, "", 0);
if (res == -1) {
cleanup_dir(path, dir_files, 1);
return -1;
}
}
res = check_dir_contents(path, dir_files);
if (res == -1) {
cleanup_dir(path, dir_files, 1);
return -1;
}
return 0;
}
static int test_truncate(int len)
{
const char *data = testdata;
int datalen = testdatalen;
int res;
start_test("truncate(%u)", (int) len);
res = create_file(testfile, data, datalen);
if (res == -1)
return -1;
res = truncate(testfile, len);
if (res == -1) {
PERROR("truncate");
return -1;
}
res = check_size(testfile, len);
if (res == -1)
return -1;
if (len > 0) {
if (len <= datalen) {
res = check_data(testfile, data, 0, len);
if (res == -1)
return -1;
} else {
res = check_data(testfile, data, 0, datalen);
if (res == -1)
return -1;
res = check_data(testfile, zerodata, datalen, len - datalen);
if (res == -1)
return -1;
}
}
res = unlink(testfile);
if (res == -1) {
PERROR("unlink");
return -1;
}
res = check_nonexist(testfile);
if (res == -1)
return -1;
success();
return 0;
}
static int test_ftruncate(int len, int mode)
{
const char *data = testdata;
int datalen = testdatalen;
int res;
int fd;
start_test("ftruncate(%u) mode: 0%03o", len, mode);
res = create_file(testfile, data, datalen);
if (res == -1)
return -1;
fd = open(testfile, O_WRONLY);
if (fd == -1) {
PERROR("open");
return -1;
}
res = fchmod(fd, mode);
if (res == -1) {
PERROR("fchmod");
close(fd);
return -1;
}
res = check_mode(testfile, mode);
if (res == -1) {
close(fd);
return -1;
}
res = ftruncate(fd, len);
if (res == -1) {
PERROR("ftruncate");
close(fd);
return -1;
}
close(fd);
res = check_size(testfile, len);
if (res == -1)
return -1;
if (len > 0) {
if (len <= datalen) {
res = check_data(testfile, data, 0, len);
if (res == -1)
return -1;
} else {
res = check_data(testfile, data, 0, datalen);
if (res == -1)
return -1;
res = check_data(testfile, zerodata, datalen, len - datalen);
if (res == -1)
return -1;
}
}
res = unlink(testfile);
if (res == -1) {
PERROR("unlink");
return -1;
}
res = check_nonexist(testfile);
if (res == -1)
return -1;
success();
return 0;
}
static int test_utime(void)
{
struct utimbuf utm;
time_t atime = 987631200;
time_t mtime = 123116400;
int res;
start_test("utime");
res = create_file(testfile, NULL, 0);
if (res == -1)
return -1;
utm.actime = atime;
utm.modtime = mtime;
res = utime(testfile, &utm);
if (res == -1) {
PERROR("utime");
return -1;
}
res = check_times(testfile, atime, mtime);
if (res == -1) {
return -1;
}
res = unlink(testfile);
if (res == -1) {
PERROR("unlink");
return -1;
}
res = check_nonexist(testfile);
if (res == -1)
return -1;
success();
return 0;
}
static int test_create(void)
{
const char *data = testdata;
int datalen = testdatalen;
int err = 0;
int res;
int fd;
start_test("create");
unlink(testfile);
fd = creat(testfile, 0644);
if (fd == -1) {
PERROR("creat");
return -1;
}
res = write(fd, data, datalen);
if (res == -1) {
PERROR("write");
close(fd);
return -1;
}
if (res != datalen) {
ERROR("write is short: %u instead of %u", res, datalen);
close(fd);
return -1;
}
res = close(fd);
if (res == -1) {
PERROR("close");
return -1;
}
res = check_type(testfile, S_IFREG);
if (res == -1)
return -1;
err += check_mode(testfile, 0644);
err += check_nlink(testfile, 1);
err += check_size(testfile, datalen);
err += check_data(testfile, data, 0, datalen);
res = unlink(testfile);
if (res == -1) {
PERROR("unlink");
return -1;
}
res = check_nonexist(testfile);
if (res == -1)
return -1;
if (err)
return -1;
success();
return 0;
}
static int test_create_unlink(void)
{
const char *data = testdata;
int datalen = testdatalen;
int err = 0;
int res;
int fd;
start_test("create+unlink");
unlink(testfile);
fd = open(testfile, O_CREAT | O_RDWR | O_TRUNC, 0644);
if (fd == -1) {
PERROR("creat");
return -1;
}
res = unlink(testfile);
if (res == -1) {
PERROR("unlink");
close(fd);
return -1;
}
res = check_nonexist(testfile);
if (res == -1)
return -1;
res = write(fd, data, datalen);
if (res == -1) {
PERROR("write");
close(fd);
return -1;
}
if (res != datalen) {
ERROR("write is short: %u instead of %u", res, datalen);
close(fd);
return -1;
}
err += fcheck_type(fd, S_IFREG);
err += fcheck_mode(fd, 0644);
err += fcheck_nlink(fd, 0);
err += fcheck_size(fd, datalen);
err += fcheck_data(fd, data, 0, datalen);
res = close(fd);
if (res == -1) {
PERROR("close");
err--;
}
if (err)
return -1;
success();
return 0;
}
static int test_mknod(void)
{
int err = 0;
int res;
start_test("mknod");
unlink(testfile);
res = mknod(testfile, 0644, 0);
if (res == -1) {
PERROR("mknod");
return -1;
}
res = check_type(testfile, S_IFREG);
if (res == -1)
return -1;
err += check_mode(testfile, 0644);
err += check_nlink(testfile, 1);
err += check_size(testfile, 0);
res = unlink(testfile);
if (res == -1) {
PERROR("unlink");
return -1;
}
res = check_nonexist(testfile);
if (res == -1)
return -1;
if (err)
return -1;
success();
return 0;
}
#define test_open(exist, flags, mode) do_test_open(exist, flags, #flags, mode)
static int do_test_open(int exist, int flags, const char *flags_str, int mode)
{
char buf[4096];
const char *data = testdata;
int datalen = testdatalen;
unsigned currlen = 0;
int err = 0;
int res;
int fd;
off_t off;
start_test("open(%s, %s, 0%03o)", exist ? "+" : "-", flags_str, mode);
unlink(testfile);
if (exist) {
res = create_file(testfile, testdata2, testdata2len);
if (res == -1)
return -1;
currlen = testdata2len;
}
fd = open(testfile, flags, mode);
if ((flags & O_CREAT) && (flags & O_EXCL) && exist) {
if (fd != -1) {
ERROR("open should have failed");
close(fd);
return -1;
} else if (errno == EEXIST)
goto succ;
}
if (!(flags & O_CREAT) && !exist) {
if (fd != -1) {
ERROR("open should have failed");
close(fd);
return -1;
} else if (errno == ENOENT)
goto succ;
}
if (fd == -1) {
PERROR("open");
return -1;
}
if (flags & O_TRUNC)
currlen = 0;
err += check_type(testfile, S_IFREG);
if (exist)
err += check_mode(testfile, 0644);
else
err += check_mode(testfile, mode);
err += check_nlink(testfile, 1);
err += check_size(testfile, currlen);
if (exist && !(flags & O_TRUNC) && (mode & 0400))
err += check_data(testfile, testdata2, 0, testdata2len);
res = write(fd, data, datalen);
if ((flags & O_ACCMODE) != O_RDONLY) {
if (res == -1) {
PERROR("write");
err --;
} else if (res != datalen) {
ERROR("write is short: %u instead of %u", res, datalen);
err --;
} else {
if (datalen > (int) currlen)
currlen = datalen;
err += check_size(testfile, currlen);
if (mode & 0400) {
err += check_data(testfile, data, 0, datalen);
if (exist && !(flags & O_TRUNC) && testdata2len > datalen)
err += check_data(testfile, testdata2 + datalen, datalen,
testdata2len - datalen);
}
}
} else {
if (res != -1) {
ERROR("write should have failed");
err --;
} else if (errno != EBADF) {
PERROR("write");
err --;
}
}
off = lseek(fd, SEEK_SET, 0);
if (off == (off_t) -1) {
PERROR("lseek");
err--;
} else if (off != 0) {
ERROR("offset should have returned 0");
err --;
}
res = read(fd, buf, sizeof(buf));
if ((flags & O_ACCMODE) != O_WRONLY) {
if (res == -1) {
PERROR("read");
err--;
} else {
int readsize = currlen < sizeof(buf) ? currlen : sizeof(buf);
if (res != readsize) {
ERROR("read is short: %i instead of %u", res, readsize);
err--;
} else {
if ((flags & O_ACCMODE) != O_RDONLY) {
err += check_buffer(buf, data, datalen);
if (exist && !(flags & O_TRUNC) && testdata2len > datalen)
err += check_buffer(buf + datalen, testdata2 + datalen,
testdata2len - datalen);
} else if (exist)
err += check_buffer(buf, testdata2, testdata2len);
}
}
} else {
if (res != -1) {
ERROR("read should have failed");
err --;
} else if (errno != EBADF) {
PERROR("read");
err --;
}
}
res = close(fd);
if (res == -1) {
PERROR("close");
return -1;
}
res = unlink(testfile);
if (res == -1) {
PERROR("unlink");
return -1;
}
res = check_nonexist(testfile);
if (res == -1)
return -1;
if (err)
return -1;
succ:
success();
return 0;
}
#define test_open_acc(flags, mode, err) do_test_open_acc(flags, #flags, mode, err)
static int do_test_open_acc(int flags, const char *flags_str, int mode, int err)
{
const char *data = testdata;
int datalen = testdatalen;
int res;
int fd;
start_test("open_acc(%s) mode: 0%03o error: '%s'", flags_str, mode,
strerror(err));
unlink(testfile);
res = create_file(testfile, data, datalen);
if (res == -1)
return -1;
res = chmod(testfile, mode);
if (res == -1) {
PERROR("chmod");
return -1;
}
res = check_mode(testfile, mode);
if (res == -1)
return -1;
fd = open(testfile, flags);
if (fd == -1) {
if (err != errno) {
PERROR("open");
return -1;
}
} else {
if (err) {
ERROR("open should have failed");
close(fd);
return -1;
}
close(fd);
}
success();
return 0;
}
static int test_symlink(void)
{
char buf[1024];
const char *data = testdata;
int datalen = testdatalen;
int linklen = strlen(testfile);
int err = 0;
int res;
start_test("symlink");
res = create_file(testfile, data, datalen);
if (res == -1)
return -1;
unlink(testfile2);
res = symlink(testfile, testfile2);
if (res == -1) {
PERROR("symlink");
return -1;
}
res = check_type(testfile2, S_IFLNK);
if (res == -1)
return -1;
err += check_mode(testfile2, 0777);
err += check_nlink(testfile2, 1);
res = readlink(testfile2, buf, sizeof(buf));
if (res == -1) {
PERROR("readlink");
err--;
}
if (res != linklen) {
ERROR("short readlink: %u instead of %u", res, linklen);
err--;
}
if (memcmp(buf, testfile, linklen) != 0) {
ERROR("link mismatch");
err--;
}
err += check_size(testfile2, datalen);
err += check_data(testfile2, data, 0, datalen);
res = unlink(testfile2);
if (res == -1) {
PERROR("unlink");
return -1;
}
res = check_nonexist(testfile2);
if (res == -1)
return -1;
if (err)
return -1;
success();
return 0;
}
static int test_link(void)
{
const char *data = testdata;
int datalen = testdatalen;
int err = 0;
int res;
start_test("link");
res = create_file(testfile, data, datalen);
if (res == -1)
return -1;
unlink(testfile2);
res = link(testfile, testfile2);
if (res == -1) {
PERROR("link");
return -1;
}
res = check_type(testfile2, S_IFREG);
if (res == -1)
return -1;
err += check_mode(testfile2, 0644);
err += check_nlink(testfile2, 2);
err += check_size(testfile2, datalen);
err += check_data(testfile2, data, 0, datalen);
res = unlink(testfile);
if (res == -1) {
PERROR("unlink");
return -1;
}
res = check_nonexist(testfile);
if (res == -1)
return -1;
err += check_nlink(testfile2, 1);
res = unlink(testfile2);
if (res == -1) {
PERROR("unlink");
return -1;
}
res = check_nonexist(testfile2);
if (res == -1)
return -1;
if (err)
return -1;
success();
return 0;
}
static int test_rename_file(void)
{
const char *data = testdata;
int datalen = testdatalen;
int err = 0;
int res;
start_test("rename file");
res = create_file(testfile, data, datalen);
if (res == -1)
return -1;
unlink(testfile2);
res = rename(testfile, testfile2);
if (res == -1) {
PERROR("rename");
return -1;
}
res = check_nonexist(testfile);
if (res == -1)
return -1;
res = check_type(testfile2, S_IFREG);
if (res == -1)
return -1;
err += check_mode(testfile2, 0644);
err += check_nlink(testfile2, 1);
err += check_size(testfile2, datalen);
err += check_data(testfile2, data, 0, datalen);
res = unlink(testfile2);
if (res == -1) {
PERROR("unlink");
return -1;
}
res = check_nonexist(testfile2);
if (res == -1)
return -1;
if (err)
return -1;
success();
return 0;
}
static int test_rename_dir(void)
{
int err = 0;
int res;
start_test("rename dir");
res = create_dir(testdir, testdir_files);
if (res == -1)
return -1;
rmdir(testdir2);
res = rename(testdir, testdir2);
if (res == -1) {
PERROR("rename");
cleanup_dir(testdir, testdir_files, 1);
return -1;
}
res = check_nonexist(testdir);
if (res == -1) {
cleanup_dir(testdir, testdir_files, 1);
return -1;
}
res = check_type(testdir2, S_IFDIR);
if (res == -1) {
cleanup_dir(testdir2, testdir_files, 1);
return -1;
}
err += check_mode(testdir2, 0755);
err += check_dir_contents(testdir2, testdir_files);
err += cleanup_dir(testdir2, testdir_files, 0);
res = rmdir(testdir2);
if (res == -1) {
PERROR("rmdir");
return -1;
}
res = check_nonexist(testdir2);
if (res == -1)
return -1;
if (err)
return -1;
success();
return 0;
}
static int test_mkfifo(void)
{
int res;
int err = 0;
start_test("mkfifo");
unlink(testfile);
res = mkfifo(testfile, 0644);
if (res == -1) {
PERROR("mkfifo");
return -1;
}
res = check_type(testfile, S_IFIFO);
if (res == -1)
return -1;
err += check_mode(testfile, 0644);
err += check_nlink(testfile, 1);
res = unlink(testfile);
if (res == -1) {
PERROR("unlink");
return -1;
}
res = check_nonexist(testfile);
if (res == -1)
return -1;
if (err)
return -1;
success();
return 0;
}
static int test_mkdir(void)
{
int res;
int err = 0;
const char *dir_contents[] = {NULL};
start_test("mkdir");
rmdir(testdir);
res = mkdir(testdir, 0755);
if (res == -1) {
PERROR("mkdir");
return -1;
}
res = check_type(testdir, S_IFDIR);
if (res == -1)
return -1;
err += check_mode(testdir, 0755);
err += check_nlink(testdir, 2);
err += check_dir_contents(testdir, dir_contents);
res = rmdir(testdir);
if (res == -1) {
PERROR("rmdir");
return -1;
}
res = check_nonexist(testdir);
if (res == -1)
return -1;
if (err)
return -1;
success();
return 0;
}
int main(int argc, char *argv[])
{
const char *basepath;
int err = 0;
umask(0);
if (argc != 2) {
fprintf(stderr, "usage: %s testdir\n", argv[0]);
return 1;
}
basepath = argv[1];
assert(strlen(basepath) < 512);
sprintf(testfile, "%s/testfile", basepath);
sprintf(testfile2, "%s/testfile2", basepath);
sprintf(testdir, "%s/testdir", basepath);
sprintf(testdir2, "%s/testdir2", basepath);
err += test_create();
err += test_create_unlink();
err += test_mknod();
err += test_symlink();
err += test_link();
err += test_mkfifo();
err += test_mkdir();
err += test_rename_file();
err += test_rename_dir();
err += test_utime();
err += test_truncate(0);
err += test_truncate(testdatalen / 2);
err += test_truncate(testdatalen);
err += test_truncate(testdatalen + 100);
err += test_ftruncate(0, 0600);
err += test_ftruncate(testdatalen / 2, 0600);
err += test_ftruncate(testdatalen, 0600);
err += test_ftruncate(testdatalen + 100, 0600);
err += test_ftruncate(0, 0400);
err += test_ftruncate(0, 0200);
err += test_ftruncate(0, 0000);
err += test_open(0, O_RDONLY, 0);
err += test_open(1, O_RDONLY, 0);
err += test_open(1, O_RDWR, 0);
err += test_open(1, O_WRONLY, 0);
err += test_open(0, O_RDWR | O_CREAT, 0600);
err += test_open(1, O_RDWR | O_CREAT, 0600);
err += test_open(0, O_RDWR | O_CREAT | O_TRUNC, 0600);
err += test_open(1, O_RDWR | O_CREAT | O_TRUNC, 0600);
err += test_open(0, O_RDONLY | O_CREAT, 0600);
err += test_open(0, O_RDONLY | O_CREAT, 0400);
err += test_open(0, O_RDONLY | O_CREAT, 0200);
err += test_open(0, O_RDONLY | O_CREAT, 0000);
err += test_open(0, O_WRONLY | O_CREAT, 0600);
err += test_open(0, O_WRONLY | O_CREAT, 0400);
err += test_open(0, O_WRONLY | O_CREAT, 0200);
err += test_open(0, O_WRONLY | O_CREAT, 0000);
err += test_open(0, O_RDWR | O_CREAT, 0400);
err += test_open(0, O_RDWR | O_CREAT, 0200);
err += test_open(0, O_RDWR | O_CREAT, 0000);
err += test_open(0, O_RDWR | O_CREAT | O_EXCL, 0600);
err += test_open(1, O_RDWR | O_CREAT | O_EXCL, 0600);
err += test_open(0, O_RDWR | O_CREAT | O_EXCL, 0000);
err += test_open(1, O_RDWR | O_CREAT | O_EXCL, 0000);
err += test_open_acc(O_RDONLY, 0600, 0);
err += test_open_acc(O_WRONLY, 0600, 0);
err += test_open_acc(O_RDWR, 0600, 0);
err += test_open_acc(O_RDONLY, 0400, 0);
err += test_open_acc(O_RDONLY | O_TRUNC, 0400, EACCES);
err += test_open_acc(O_WRONLY, 0400, EACCES);
err += test_open_acc(O_RDWR, 0400, EACCES);
err += test_open_acc(O_RDONLY, 0200, EACCES);
err += test_open_acc(O_WRONLY, 0200, 0);
err += test_open_acc(O_RDWR, 0200, EACCES);
err += test_open_acc(O_RDONLY, 0000, EACCES);
err += test_open_acc(O_WRONLY, 0000, EACCES);
err += test_open_acc(O_RDWR, 0000, EACCES);
unlink(testfile);
unlink(testfile2);
rmdir(testdir);
rmdir(testdir2);
if (err) {
fprintf(stderr, "%i tests failed\n", -err);
return 1;
}
return 0;
}
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