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fuse: Update to 2.9.4

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Change-Id: I0877c624531286f47da29a7ab16c7ff3cfac0090
This commit is contained in:
Matt Mower
2015-12-13 11:31:00 -06:00
committed by Ethan Yonker
parent 09ef1e4109
commit 523a059fb7
41 changed files with 6782 additions and 1699 deletions
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9
fuse/AUTHORS Normal file
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@@ -0,0 +1,9 @@
FUSE
----
Miklos Szeredi <miklos@szeredi.hu>
CUSE
----
Tejun Heo <teheo@suse.de>

25
fuse/Android.mk
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@@ -17,6 +17,7 @@ LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES := \
android/statvfs.c \
buffer.c \
cuse_lowlevel.c \
fuse.c \
@@ -33,10 +34,11 @@ LOCAL_SRC_FILES := \
ulockmgr.c
LOCAL_C_INCLUDES := \
$(LOCAL_PATH)/android \
$(LOCAL_PATH)/include
LOCAL_SHARED_LIBRARIES := \
libutils libdl
libutils
LOCAL_CFLAGS := \
-D_FILE_OFFSET_BITS=64 \
@@ -47,24 +49,3 @@ LOCAL_MODULE := libfusetwrp
LOCAL_MODULE_TAGS := optional
include $(BUILD_STATIC_LIBRARY)
#include $(BUILD_SHARED_LIBRARY)
include $(CLEAR_VARS)
LOCAL_SRC_FILES := \
fusexmp.c
LOCAL_C_INCLUDES := \
$(LOCAL_PATH)/include
LOCAL_CFLAGS := -D_FILE_OFFSET_BITS=64
LOCAL_MODULE := fusexmp
LOCAL_MODULE_TAGS := optional
LOCAL_STATIC_LIBRARIES := libfusetwrp
LOCAL_SHARED_LIBRARIES := \
libutils libdl
include $(BUILD_EXECUTABLE)

339
fuse/COPYING Normal file
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@@ -0,0 +1,339 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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freedom to share and change it. By contrast, the GNU General Public
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software--to make sure the software is free for all its users. This
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For example, if you distribute copies of such a program, whether
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502
fuse/COPYING.LIB Normal file
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@@ -0,0 +1,502 @@
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That's all there is to it!

3535
fuse/ChangeLog Normal file
View File

File diff suppressed because it is too large Load Diff

384
fuse/README
View File

@@ -1,12 +1,380 @@
Libfuse for Android
General Information
===================
FUSE[1] is a framework to develop userspace file systems for linux. Since Android is based on linux, it won't be too difficult to port libfuse to Android.
FUSE (Filesystem in Userspace) is a simple interface for userspace
programs to export a virtual filesystem to the Linux kernel. FUSE
also aims to provide a secure method for non privileged users to
create and mount their own filesystem implementations.
The main problem of building and running libfuse on Android is that the bionic c library lacks support for pthread_cancel(), which is necessary for libfuse multi-thread code. This stackoverflow entry[2] has suggested a solution, which uses SIGUSR1 as an alternative. It seems to work.
You can download the source code releases from
Libfuse can be build with Android NDK[3]. If success, you will get libfuse.a and an example program fusexmp. To run the example, the android kernel should be built with FUSE kernel support.
http://sourceforge.net/projects/fuse
References:
[1]. http://fuse.sourceforge.net
[2]. http://stackoverflow.com/questions/4610086/pthread-cancel-alternatives-in-android-ndk
[3]. http://developer.android.com/sdk/ndk/index.html
or alternatively you can use CVS to get the very latest development
version:
cvs -d :pserver:anonymous@fuse.cvs.sourceforge.net:/cvsroot/fuse co fuse
Dependencies
============
Linux kernel version 2.6.X where X >= 9.
Alternatively a kernel module from FUSE release 2.5.* can be used with
this release, which supports kernels >= 2.4.21.
Installation
============
./configure
make
make install
modprobe fuse
You may also need to add '/usr/local/lib' to '/etc/ld.so.conf' and/or
run ldconfig.
You'll also need a fuse kernel module, Linux kernels 2.6.14 or later
contain FUSE support.
For more details see the file 'INSTALL'
How To Use
==========
FUSE is made up of three main parts:
- A kernel filesystem module
- A userspace library
- A mount/unmount program
Here's how to create your very own virtual filesystem in five easy
steps (after installing FUSE):
1) Edit the file example/fusexmp.c to do whatever you want...
2) Build the fusexmp program
3) run 'example/fusexmp /mnt/fuse -d'
4) ls -al /mnt/fuse
5) Be glad
If it doesn't work out, please ask! Also see the file 'include/fuse.h' for
detailed documentation of the library interface.
Security
========
If you run 'make install', the fusermount program is installed
set-user-id to root. This is done to allow normal users to mount
their own filesystem implementations.
There must however be some limitations, in order to prevent Bad User from
doing nasty things. Currently those limitations are:
- The user can only mount on a mountpoint, for which it has write
permission
- The mountpoint is not a sticky directory which isn't owned by the
user (like /tmp usually is)
- No other user (including root) can access the contents of the mounted
filesystem.
Configuration
=============
Some options regarding mount policy can be set in the file
'/etc/fuse.conf'
Currently these options are:
mount_max = NNN
Set the maximum number of FUSE mounts allowed to non-root users.
The default is 1000.
user_allow_other
Allow non-root users to specify the 'allow_other' or 'allow_root'
mount options.
Mount options
=============
Most of the generic mount options described in 'man mount' are
supported (ro, rw, suid, nosuid, dev, nodev, exec, noexec, atime,
noatime, sync async, dirsync). Filesystems are mounted with
'-onodev,nosuid' by default, which can only be overridden by a
privileged user.
These are FUSE specific mount options that can be specified for all
filesystems:
default_permissions
By default FUSE doesn't check file access permissions, the
filesystem is free to implement it's access policy or leave it to
the underlying file access mechanism (e.g. in case of network
filesystems). This option enables permission checking, restricting
access based on file mode. This is option is usually useful
together with the 'allow_other' mount option.
allow_other
This option overrides the security measure restricting file access
to the user mounting the filesystem. So all users (including root)
can access the files. This option is by default only allowed to
root, but this restriction can be removed with a configuration
option described in the previous section.
allow_root
This option is similar to 'allow_other' but file access is limited
to the user mounting the filesystem and root. This option and
'allow_other' are mutually exclusive.
kernel_cache
This option disables flushing the cache of the file contents on
every open(). This should only be enabled on filesystems, where the
file data is never changed externally (not through the mounted FUSE
filesystem). Thus it is not suitable for network filesystems and
other "intermediate" filesystems.
NOTE: if this option is not specified (and neither 'direct_io') data
is still cached after the open(), so a read() system call will not
always initiate a read operation.
auto_cache
This option enables automatic flushing of the data cache on open().
The cache will only be flushed if the modification time or the size
of the file has changed.
large_read
Issue large read requests. This can improve performance for some
filesystems, but can also degrade performance. This option is only
useful on 2.4.X kernels, as on 2.6 kernels requests size is
automatically determined for optimum performance.
direct_io
This option disables the use of page cache (file content cache) in
the kernel for this filesystem. This has several affects:
- Each read() or write() system call will initiate one or more
read or write operations, data will not be cached in the
kernel.
- The return value of the read() and write() system calls will
correspond to the return values of the read and write
operations. This is useful for example if the file size is not
known in advance (before reading it).
max_read=N
With this option the maximum size of read operations can be set.
The default is infinite. Note that the size of read requests is
limited anyway to 32 pages (which is 128kbyte on i386).
max_readahead=N
Set the maximum number of bytes to read-ahead. The default is
determined by the kernel. On linux-2.6.22 or earlier it's 131072
(128kbytes)
max_write=N
Set the maximum number of bytes in a single write operation. The
default is 128kbytes. Note, that due to various limitations, the
size of write requests can be much smaller (4kbytes). This
limitation will be removed in the future.
async_read
Perform reads asynchronously. This is the default
sync_read
Perform all reads (even read-ahead) synchronously.
hard_remove
The default behavior is that if an open file is deleted, the file is
renamed to a hidden file (.fuse_hiddenXXX), and only removed when
the file is finally released. This relieves the filesystem
implementation of having to deal with this problem. This option
disables the hiding behavior, and files are removed immediately in
an unlink operation (or in a rename operation which overwrites an
existing file).
It is recommended that you not use the hard_remove option. When
hard_remove is set, the following libc functions fail on unlinked
files (returning errno of ENOENT):
- read()
- write()
- fsync()
- close()
- f*xattr()
- ftruncate()
- fstat()
- fchmod()
- fchown()
debug
Turns on debug information printing by the library.
fsname=NAME
Sets the filesystem source (first field in /etc/mtab). The default
is the program name.
subtype=TYPE
Sets the filesystem type (third field in /etc/mtab). The default is
the program name.
If the kernel suppports it, /etc/mtab and /proc/mounts will show the
filesystem type as "fuse.TYPE"
If the kernel doesn't support subtypes, the source filed will be
"TYPE#NAME", or if fsname option is not specified, just "TYPE".
use_ino
Honor the 'st_ino' field in getattr() and fill_dir(). This value is
used to fill in the 'st_ino' field in the stat()/lstat()/fstat()
functions and the 'd_ino' field in the readdir() function. The
filesystem does not have to guarantee uniqueness, however some
applications rely on this value being unique for the whole
filesystem.
readdir_ino
If 'use_ino' option is not given, still try to fill in the 'd_ino'
field in readdir(). If the name was previously looked up, and is
still in the cache, the inode number found there will be used.
Otherwise it will be set to '-1'. If 'use_ino' option is given,
this option is ignored.
nonempty
Allows mounts over a non-empty file or directory. By default these
mounts are rejected (from version 2.3.1) to prevent accidental
covering up of data, which could for example prevent automatic
backup.
umask=M
Override the permission bits in 'st_mode' set by the filesystem.
The resulting permission bits are the ones missing from the given
umask value. The value is given in octal representation.
uid=N
Override the 'st_uid' field set by the filesystem.
gid=N
Override the 'st_gid' field set by the filesystem.
blkdev
Mount a filesystem backed by a block device. This is a privileged
option. The device must be specified with the 'fsname=NAME' option.
entry_timeout=T
The timeout in seconds for which name lookups will be cached. The
default is 1.0 second. For all the timeout options, it is possible
to give fractions of a second as well (e.g. "-oentry_timeout=2.8")
negative_timeout=T
The timeout in seconds for which a negative lookup will be cached.
This means, that if file did not exist (lookup retuned ENOENT), the
lookup will only be redone after the timeout, and the file/directory
will be assumed to not exist until then. The default is 0.0 second,
meaning that caching negative lookups are disabled.
attr_timeout=T
The timeout in seconds for which file/directory attributes are
cached. The default is 1.0 second.
ac_attr_timeout=T
The timeout in seconds for which file attributes are cached for the
purpose of checking if "auto_cache" should flush the file data on
open. The default is the value of 'attr_timeout'
intr
Allow requests to be interrupted. Turning on this option may result
in unexpected behavior, if the filesystem does not support request
interruption.
intr_signal=NUM
Specify which signal number to send to the filesystem when a request
is interrupted. The default is 10 (USR1).
modules=M1[:M2...]
Add modules to the filesystem stack. Modules are pushed in the
order they are specified, with the original filesystem being on the
bottom of the stack.
Modules distributed with fuse
-----------------------------
iconv
`````
Perform file name character set conversion. Options are:
from_code=CHARSET
Character set to convert from (see iconv -l for a list of possible
values). Default is UTF-8.
to_code=CHARSET
Character set to convert to. Default is determined by the current
locale.
subdir
``````
Prepend a given directory to each path. Options are:
subdir=DIR
Directory to prepend to all paths. This option is mandatory.
rellinks
Transform absolute symlinks into relative
norellinks
Do not transform absolute symlinks into relative. This is the default.
Reporting bugs
==============
Please send bug reports to the <fuse-devel@lists.sourceforge.net>
mailing list.
The list is open, you need not be subscribed to post.

6
fuse/include/config.h → fuse/android/config.h
View File

@@ -72,16 +72,16 @@
#define PACKAGE_NAME "fuse"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "fuse 2.8.5"
#define PACKAGE_STRING "fuse 2.9.3"
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "fuse"
/* Define to the version of this package. */
#define PACKAGE_VERSION "2.8.5"
#define PACKAGE_VERSION "2.9.3"
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Version number of package */
#define VERSION "2.8.5"
#define VERSION "2.9.3"

48
fuse/android/statvfs.c Normal file
View File

@@ -0,0 +1,48 @@
/*
* Copyright (C) 2012 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "sys/statvfs.h"
#include <sys/statfs.h>
#define MAP(to,from) vfs->to = sfs.from
int statvfs(const char *path, struct statvfs *vfs) {
struct statfs sfs;
int ret;
int *fsid;
if ((ret = statfs(path, &sfs)) != 0)
return ret;
MAP(f_bsize, f_bsize);
MAP(f_frsize, f_frsize);
MAP(f_blocks, f_blocks);
MAP(f_bfree, f_bfree);
MAP(f_bavail, f_bavail);
MAP(f_files, f_files);
MAP(f_ffree, f_ffree);
MAP(f_namemax, f_namelen);
vfs->f_favail = 0;
vfs->f_flag = 0;
fsid = (int *)&sfs.f_fsid;
vfs->f_fsid = (fsid[0] << sizeof(fsid[0])) | fsid[1];
return ret;
}

39
fuse/android/sys/statvfs.h Normal file
View File

@@ -0,0 +1,39 @@
/*
* Copyright (C) 2012 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _SYS_STATVFS_H_
#define _SYS_STATVFS_H_
#include <sys/types.h>
struct statvfs {
unsigned long f_bsize; /* file system block size */
unsigned long f_frsize; /* fragment size */
fsblkcnt_t f_blocks; /* size of fs in f_frsize units */
fsblkcnt_t f_bfree; /* # free blocks */
fsblkcnt_t f_bavail; /* # free blocks for non-root */
fsfilcnt_t f_files; /* # inodes */
fsfilcnt_t f_ffree; /* # free inodes */
fsfilcnt_t f_favail; /* # free inodes for non-root */
unsigned long f_fsid; /* file system ID */
unsigned long f_flag; /* mount flags */
unsigned long f_namemax; /* maximum filename length */
};
int statvfs(const char *, struct statvfs *);
#endif

10
fuse/buffer.c
View File

@@ -45,7 +45,7 @@ static ssize_t fuse_buf_write(const struct fuse_buf *dst, size_t dst_off,
while (len) {
if (dst->flags & FUSE_BUF_FD_SEEK) {
res = pwrite(dst->fd, src->mem + src_off, len,
res = pwrite64(dst->fd, src->mem + src_off, len,
dst->pos + dst_off);
} else {
res = write(dst->fd, src->mem + src_off, len);
@@ -160,10 +160,10 @@ static ssize_t fuse_buf_splice(const struct fuse_buf *dst, size_t dst_off,
size_t len, enum fuse_buf_copy_flags flags)
{
int splice_flags = 0;
off64_t *srcpos = NULL;
off64_t *dstpos = NULL;
off64_t srcpos_val;
off64_t dstpos_val;
loff_t *srcpos = NULL;
loff_t *dstpos = NULL;
loff_t srcpos_val;
loff_t dstpos_val;
ssize_t res;
size_t copied = 0;

4
fuse/cuse_lowlevel.c
View File

@@ -43,14 +43,14 @@ static void cuse_fll_open(fuse_req_t req, fuse_ino_t ino,
}
static void cuse_fll_read(fuse_req_t req, fuse_ino_t ino, size_t size,
off64_t off, struct fuse_file_info *fi)
loff_t off, struct fuse_file_info *fi)
{
(void)ino;
req_clop(req)->read(req, size, off, fi);
}
static void cuse_fll_write(fuse_req_t req, fuse_ino_t ino, const char *buf,
size_t size, off64_t off, struct fuse_file_info *fi)
size_t size, loff_t off, struct fuse_file_info *fi)
{
(void)ino;
req_clop(req)->write(req, buf, size, off, fi);

110
fuse/fuse.c
View File

@@ -30,13 +30,17 @@
#include <limits.h>
#include <errno.h>
#include <signal.h>
#include <dlfcn.h>
#include <assert.h>
#include <poll.h>
#include <sys/param.h>
#include <sys/uio.h>
#include <sys/time.h>
#include <sys/mman.h>
#include <sys/file.h>
#ifdef USE_MODULES
#include <dlfcn.h>
#endif
#define FUSE_NODE_SLAB 1
@@ -156,8 +160,8 @@ struct fuse {
struct lock {
int type;
off64_t start;
off64_t end;
loff_t start;
loff_t end;
pid_t pid;
uint64_t owner;
struct lock *next;
@@ -175,7 +179,7 @@ struct node {
int open_count;
struct timespec stat_updated;
struct timespec mtime;
off64_t size;
loff_t size;
struct lock *locks;
unsigned int is_hidden : 1;
unsigned int cache_valid : 1;
@@ -221,6 +225,8 @@ struct fuse_context_i {
static pthread_key_t fuse_context_key;
static pthread_mutex_t fuse_context_lock = PTHREAD_MUTEX_INITIALIZER;
static int fuse_context_ref;
#ifdef USE_MODULES
static struct fusemod_so *fuse_current_so;
static struct fuse_module *fuse_modules;
@@ -319,6 +325,7 @@ static void fuse_put_module(struct fuse_module *m)
}
pthread_mutex_unlock(&fuse_context_lock);
}
#endif
static void init_list_head(struct list_head *list)
{
@@ -1021,10 +1028,12 @@ static void queue_element_unlock(struct fuse *f, struct lock_queue_element *qe)
if (qe->first_locked) {
wnode = qe->wnode1 ? *qe->wnode1 : NULL;
unlock_path(f, qe->nodeid1, wnode, NULL);
qe->first_locked = false;
}
if (qe->second_locked) {
wnode = qe->wnode2 ? *qe->wnode2 : NULL;
unlock_path(f, qe->nodeid2, wnode, NULL);
qe->second_locked = false;
}
}
@@ -1757,7 +1766,7 @@ static void fuse_free_buf(struct fuse_bufvec *buf)
}
int fuse_fs_read_buf(struct fuse_fs *fs, const char *path,
struct fuse_bufvec **bufp, size_t size, off64_t off,
struct fuse_bufvec **bufp, size_t size, loff_t off,
struct fuse_file_info *fi)
{
fuse_get_context()->private_data = fs->user_data;
@@ -1812,7 +1821,7 @@ int fuse_fs_read_buf(struct fuse_fs *fs, const char *path,
}
int fuse_fs_read(struct fuse_fs *fs, const char *path, char *mem, size_t size,
off64_t off, struct fuse_file_info *fi)
loff_t off, struct fuse_file_info *fi)
{
int res;
struct fuse_bufvec *buf = NULL;
@@ -1830,7 +1839,7 @@ int fuse_fs_read(struct fuse_fs *fs, const char *path, char *mem, size_t size,
}
int fuse_fs_write_buf(struct fuse_fs *fs, const char *path,
struct fuse_bufvec *buf, off64_t off,
struct fuse_bufvec *buf, loff_t off,
struct fuse_file_info *fi)
{
fuse_get_context()->private_data = fs->user_data;
@@ -1894,7 +1903,7 @@ out:
}
int fuse_fs_write(struct fuse_fs *fs, const char *path, const char *mem,
size_t size, off64_t off, struct fuse_file_info *fi)
size_t size, loff_t off, struct fuse_file_info *fi)
{
struct fuse_bufvec bufv = FUSE_BUFVEC_INIT(size);
@@ -1993,7 +2002,7 @@ static int fill_dir_old(struct fuse_dirhandle *dh, const char *name, int type,
}
int fuse_fs_readdir(struct fuse_fs *fs, const char *path, void *buf,
fuse_fill_dir_t filler, off64_t off,
fuse_fill_dir_t filler, loff_t off,
struct fuse_file_info *fi)
{
fuse_get_context()->private_data = fs->user_data;
@@ -2104,7 +2113,7 @@ int fuse_fs_chown(struct fuse_fs *fs, const char *path, uid_t uid, gid_t gid)
}
}
int fuse_fs_truncate(struct fuse_fs *fs, const char *path, off64_t size)
int fuse_fs_truncate(struct fuse_fs *fs, const char *path, loff_t size)
{
fuse_get_context()->private_data = fs->user_data;
if (fs->op.truncate) {
@@ -2118,7 +2127,7 @@ int fuse_fs_truncate(struct fuse_fs *fs, const char *path, off64_t size)
}
}
int fuse_fs_ftruncate(struct fuse_fs *fs, const char *path, off64_t size,
int fuse_fs_ftruncate(struct fuse_fs *fs, const char *path, loff_t size,
struct fuse_file_info *fi)
{
fuse_get_context()->private_data = fs->user_data;
@@ -2336,7 +2345,7 @@ int fuse_fs_poll(struct fuse_fs *fs, const char *path,
}
int fuse_fs_fallocate(struct fuse_fs *fs, const char *path, int mode,
off64_t offset, off64_t length, struct fuse_file_info *fi)
loff_t offset, loff_t length, struct fuse_file_info *fi)
{
fuse_get_context()->private_data = fs->user_data;
if (fs->op.fallocate) {
@@ -2393,6 +2402,7 @@ static char *hidden_name(struct fuse *f, fuse_ino_t dir, const char *oldname,
if (res)
break;
memset(&buf, 0, sizeof(buf));
res = fuse_fs_getattr(f->fs, newpath, &buf);
if (res == -ENOENT)
break;
@@ -2608,8 +2618,10 @@ void fuse_fs_destroy(struct fuse_fs *fs)
fuse_get_context()->private_data = fs->user_data;
if (fs->op.destroy)
fs->op.destroy(fs->user_data);
#ifdef USE_MODULES
if (fs->m)
fuse_put_module(fs->m);
#endif
free(fs);
}
@@ -2766,6 +2778,7 @@ static void fuse_lib_setattr(fuse_req_t req, fuse_ino_t ino, struct stat *attr,
char *path;
int err;
memset(&buf, 0, sizeof(buf));
if (valid == FUSE_SET_ATTR_SIZE && fi != NULL &&
f->fs->op.ftruncate && f->fs->op.fgetattr)
err = get_path_nullok(f, ino, &path);
@@ -3235,7 +3248,7 @@ static void fuse_lib_open(fuse_req_t req, fuse_ino_t ino,
}
static void fuse_lib_read(fuse_req_t req, fuse_ino_t ino, size_t size,
off64_t off, struct fuse_file_info *fi)
loff_t off, struct fuse_file_info *fi)
{
struct fuse *f = req_fuse_prepare(req);
struct fuse_bufvec *buf = NULL;
@@ -3261,7 +3274,7 @@ static void fuse_lib_read(fuse_req_t req, fuse_ino_t ino, size_t size,
}
static void fuse_lib_write_buf(fuse_req_t req, fuse_ino_t ino,
struct fuse_bufvec *buf, off64_t off,
struct fuse_bufvec *buf, loff_t off,
struct fuse_file_info *fi)
{
struct fuse *f = req_fuse_prepare(req);
@@ -3390,7 +3403,7 @@ static int extend_contents(struct fuse_dh *dh, unsigned minsize)
}
static int fill_dir(void *dh_, const char *name, const struct stat *statp,
off64_t off)
loff_t off)
{
struct fuse_dh *dh = (struct fuse_dh *) dh_;
struct stat stbuf;
@@ -3440,7 +3453,7 @@ static int fill_dir(void *dh_, const char *name, const struct stat *statp,
}
static int readdir_fill(struct fuse *f, fuse_req_t req, fuse_ino_t ino,
size_t size, off64_t off, struct fuse_dh *dh,
size_t size, loff_t off, struct fuse_dh *dh,
struct fuse_file_info *fi)
{
char *path;
@@ -3472,7 +3485,7 @@ static int readdir_fill(struct fuse *f, fuse_req_t req, fuse_ino_t ino,
}
static void fuse_lib_readdir(fuse_req_t req, fuse_ino_t ino, size_t size,
off64_t off, struct fuse_file_info *llfi)
loff_t off, struct fuse_file_info *llfi)
{
struct fuse *f = req_fuse_prepare(req);
struct fuse_file_info fi;
@@ -3995,12 +4008,13 @@ static void fuse_lib_bmap(fuse_req_t req, fuse_ino_t ino, size_t blocksize,
}
static void fuse_lib_ioctl(fuse_req_t req, fuse_ino_t ino, int cmd, void *arg,
struct fuse_file_info *fi, unsigned int flags,
struct fuse_file_info *llfi, unsigned int flags,
const void *in_buf, size_t in_bufsz,
size_t out_bufsz)
{
struct fuse *f = req_fuse_prepare(req);
struct fuse_intr_data d;
struct fuse_file_info fi;
char *path, *out_buf = NULL;
int err;
@@ -4008,6 +4022,11 @@ static void fuse_lib_ioctl(fuse_req_t req, fuse_ino_t ino, int cmd, void *arg,
if (flags & FUSE_IOCTL_UNRESTRICTED)
goto err;
if (flags & FUSE_IOCTL_DIR)
get_dirhandle(llfi, &fi);
else
fi = *llfi;
if (out_bufsz) {
err = -ENOMEM;
out_buf = malloc(out_bufsz);
@@ -4025,7 +4044,7 @@ static void fuse_lib_ioctl(fuse_req_t req, fuse_ino_t ino, int cmd, void *arg,
fuse_prepare_interrupt(f, req, &d);
err = fuse_fs_ioctl(f->fs, path, cmd, arg, fi, flags,
err = fuse_fs_ioctl(f->fs, path, cmd, arg, &fi, flags,
out_buf ?: (void *)in_buf);
fuse_finish_interrupt(f, req, &d);
@@ -4062,7 +4081,7 @@ static void fuse_lib_poll(fuse_req_t req, fuse_ino_t ino,
}
static void fuse_lib_fallocate(fuse_req_t req, fuse_ino_t ino, int mode,
off64_t offset, off64_t length, struct fuse_file_info *fi)
loff_t offset, loff_t length, struct fuse_file_info *fi)
{
struct fuse *f = req_fuse_prepare(req);
struct fuse_intr_data d;
@@ -4415,12 +4434,14 @@ static void fuse_lib_help(void)
" -o ac_attr_timeout=T auto cache timeout for attributes (attr_timeout)\n"
" -o noforget never forget cached inodes\n"
" -o remember=T remember cached inodes for T seconds (0s)\n"
" -o nopath don't supply path if not necessary\n"
" -o intr allow requests to be interrupted\n"
" -o intr_signal=NUM signal to send on interrupt (%i)\n"
" -o modules=M1[:M2...] names of modules to push onto filesystem stack\n"
"\n", FUSE_DEFAULT_INTR_SIGNAL);
}
#ifdef USE_MODULES
static void fuse_lib_help_modules(void)
{
struct fuse_module *m;
@@ -4440,6 +4461,7 @@ static void fuse_lib_help_modules(void)
}
pthread_mutex_unlock(&fuse_context_lock);
}
#endif
static int fuse_lib_opt_proc(void *data, const char *arg, int key,
struct fuse_args *outargs)
@@ -4495,7 +4517,7 @@ static void fuse_restore_intr_signal(int signum)
sigaction(signum, &sa, NULL);
}
#ifdef USE_MODULES
static int fuse_push_module(struct fuse *f, const char *module,
struct fuse_args *args)
{
@@ -4518,6 +4540,7 @@ static int fuse_push_module(struct fuse *f, const char *module,
f->utime_omit_ok = newfs->op.flag_utime_omit_ok && f->utime_omit_ok;
return 0;
}
#endif
struct fuse_fs *fuse_fs_new(const struct fuse_operations *op, size_t op_size,
void *user_data)
@@ -4555,11 +4578,30 @@ static int node_table_init(struct node_table *t)
return 0;
}
static void thread_exit_handler(int sig)
{
pthread_exit(0);
}
static void *fuse_prune_nodes(void *fuse)
{
struct fuse *f = fuse;
int sleep_time;
#if defined(__ANDROID__)
struct sigaction actions;
memset(&actions, 0, sizeof(actions));
sigemptyset(&actions.sa_mask);
actions.sa_flags = 0;
actions.sa_handler = thread_exit_handler;
sigaction(SIGUSR1, &actions, NULL);
sigset_t setusr1;
sigemptyset(&setusr1);
sigaddset(&setusr1, SIGUSR1);
pthread_sigmask(SIG_BLOCK, &setusr1, NULL);
#endif
while(1) {
sleep_time = fuse_clean_cache(f);
sleep(sleep_time);
@@ -4579,10 +4621,10 @@ void fuse_stop_cleanup_thread(struct fuse *f)
{
if (lru_enabled(f)) {
pthread_mutex_lock(&f->lock);
#ifndef ANDROID
pthread_cancel(f->prune_thread);
#else
#if defined(__ANDROID__)
pthread_kill(f->prune_thread, SIGUSR1);
#else
pthread_cancel(f->prune_thread);
#endif
pthread_mutex_unlock(&f->lock);
pthread_join(f->prune_thread, NULL);
@@ -4637,6 +4679,7 @@ struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args,
fuse_lib_opt_proc) == -1)
goto out_free_fs;
#ifdef USE_MODULES
if (f->conf.modules) {
char *module;
char *next;
@@ -4651,6 +4694,7 @@ struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args,
goto out_free_fs;
}
}
#endif
if (!f->conf.ac_attr_timeout_set)
f->conf.ac_attr_timeout = f->conf.attr_timeout;
@@ -4670,8 +4714,10 @@ struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args,
f->se = fuse_lowlevel_new_common(args, &llop, sizeof(llop), f);
if (f->se == NULL) {
#ifdef USE_MODULES
if (f->conf.help)
fuse_lib_help_modules();
#endif
goto out_free_fs;
}
@@ -4700,6 +4746,10 @@ struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args,
fprintf(stderr, "fuse: memory allocation failed\n");
goto out_free_id_table;
}
if (lru_enabled(f)) {
struct node_lru *lnode = node_lru(root);
init_list_head(&lnode->lru);
}
strcpy(root->inline_name, "/");
root->name = root->inline_name;
@@ -4808,6 +4858,7 @@ static struct fuse *fuse_new_common_compat25(int fd, struct fuse_args *args,
return f;
}
#ifdef USE_MODULES
/* called with fuse_context_lock held or during initialization (before
main() has been called) */
void fuse_register_module(struct fuse_module *mod)
@@ -4819,6 +4870,7 @@ void fuse_register_module(struct fuse_module *mod)
mod->next = fuse_modules;
fuse_modules = mod;
}
#endif
#if !defined(__FreeBSD__) && !defined(__NetBSD__)
@@ -4870,11 +4922,11 @@ struct fuse *fuse_new_compat1(int fd, int flags,
11);
}
FUSE_SYMVER(".symver fuse_exited,__fuse_exited@");
FUSE_SYMVER(".symver fuse_process_cmd,__fuse_process_cmd@");
FUSE_SYMVER(".symver fuse_read_cmd,__fuse_read_cmd@");
FUSE_SYMVER(".symver fuse_set_getcontext_func,__fuse_set_getcontext_func@");
FUSE_SYMVER(".symver fuse_new_compat2,fuse_new@");
FUSE_SYMVER(".symver fuse_exited,__fuse_exited@FUSE_UNVERSIONED");
FUSE_SYMVER(".symver fuse_process_cmd,__fuse_process_cmd@FUSE_UNVERSIONED");
FUSE_SYMVER(".symver fuse_read_cmd,__fuse_read_cmd@FUSE_UNVERSIONED");
FUSE_SYMVER(".symver fuse_set_getcontext_func,__fuse_set_getcontext_func@FUSE_UNVERSIONED");
FUSE_SYMVER(".symver fuse_new_compat2,fuse_new@FUSE_UNVERSIONED");
FUSE_SYMVER(".symver fuse_new_compat22,fuse_new@FUSE_2.2");
#endif /* __FreeBSD__ || __NetBSD__ */

2
fuse/fuse_i.h
View File

@@ -106,6 +106,8 @@ struct fuse_session *fuse_lowlevel_new_common(struct fuse_args *args,
size_t op_size, void *userdata);
void fuse_kern_unmount_compat22(const char *mountpoint);
int fuse_chan_clearfd(struct fuse_chan *ch);
void fuse_kern_unmount(const char *mountpoint, int fd);
int fuse_kern_mount(const char *mountpoint, struct fuse_args *args);

5
fuse/fuse_kern_chan.c
View File

@@ -77,7 +77,10 @@ static int fuse_kern_chan_send(struct fuse_chan *ch, const struct iovec iov[],
static void fuse_kern_chan_destroy(struct fuse_chan *ch)
{
close(fuse_chan_fd(ch));
int fd = fuse_chan_fd(ch);
if (fd != -1)
close(fd);
}
#define MIN_BUFSIZE 0x21000

40
fuse/fuse_loop_mt.c
View File

@@ -19,7 +19,6 @@
#include <semaphore.h>
#include <errno.h>
#include <sys/time.h>
#include <pthread.h>
/* Environment var controlling the thread stack size */
#define ENVNAME_THREAD_STACK "FUSE_THREAD_STACK"
@@ -62,16 +61,32 @@ static void list_del_worker(struct fuse_worker *w)
next->prev = prev;
}
#define PTHREAD_CANCEL_ENABLE 0
#define PTHREAD_CANCEL_DISABLE 1
static int fuse_loop_start_thread(struct fuse_mt *mt);
static void thread_exit_handler(int sig)
{
pthread_exit(0);
}
static void *fuse_do_work(void *data)
{
struct fuse_worker *w = (struct fuse_worker *) data;
struct fuse_mt *mt = w->mt;
#if defined(__ANDROID__)
struct sigaction actions;
memset(&actions, 0, sizeof(actions));
sigemptyset(&actions.sa_mask);
actions.sa_flags = 0;
actions.sa_handler = thread_exit_handler;
sigaction(SIGUSR1, &actions, NULL);
sigset_t setusr1;
sigemptyset(&setusr1);
sigaddset(&setusr1, SIGUSR1);
pthread_sigmask(SIG_BLOCK, &setusr1, NULL);
#endif
while (!fuse_session_exited(mt->se)) {
int isforget = 0;
struct fuse_chan *ch = mt->prevch;
@@ -81,11 +96,15 @@ static void *fuse_do_work(void *data)
};
int res;
#ifndef ANDROID
#if defined(__ANDROID__)
pthread_sigmask(SIG_UNBLOCK, &setusr1, NULL);
#else
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
#endif
res = fuse_session_receive_buf(mt->se, &fbuf, &ch);
#ifndef ANDROID
#if defined(__ANDROID__)
pthread_sigmask(SIG_BLOCK, &setusr1, NULL);
#else
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
#endif
if (res == -EINTR)
@@ -249,14 +268,15 @@ int fuse_session_loop_mt(struct fuse_session *se)
while (!fuse_session_exited(se))
sem_wait(&mt.finish);
#ifndef ANDROID
pthread_mutex_lock(&mt.lock);
for (w = mt.main.next; w != &mt.main; w = w->next)
pthread_cancel(w->thread_id);
#else
for (w = mt.main.next; w != &mt.main; w = w->next)
#if defined(__ANDROID__)
pthread_kill(w->thread_id, SIGUSR1);
#else
pthread_cancel(w->thread_id);
#endif
mt.exit = 1;
pthread_mutex_unlock(&mt.lock);
while (mt.main.next != &mt.main)
fuse_join_worker(&mt, mt.main.next);

11
fuse/fuse_lowlevel.c
View File

@@ -24,6 +24,7 @@
#include <limits.h>
#include <errno.h>
#include <assert.h>
#include <sys/file.h>
#ifndef F_LINUX_SPECIFIC_BASE
#define F_LINUX_SPECIFIC_BASE 1024
@@ -247,7 +248,7 @@ size_t fuse_dirent_size(size_t namelen)
}
char *fuse_add_dirent(char *buf, const char *name, const struct stat *stbuf,
off64_t off)
loff_t off)
{
unsigned namelen = strlen(name);
unsigned entlen = FUSE_NAME_OFFSET + namelen;
@@ -267,7 +268,7 @@ char *fuse_add_dirent(char *buf, const char *name, const struct stat *stbuf,
}
size_t fuse_add_direntry(fuse_req_t req, char *buf, size_t bufsize,
const char *name, const struct stat *stbuf, off64_t off)
const char *name, const struct stat *stbuf, loff_t off)
{
size_t entsize;
@@ -1979,7 +1980,7 @@ int fuse_lowlevel_notify_poll(struct fuse_pollhandle *ph)
}
int fuse_lowlevel_notify_inval_inode(struct fuse_chan *ch, fuse_ino_t ino,
off64_t off, off64_t len)
loff_t off, loff_t len)
{
struct fuse_notify_inval_inode_out outarg;
struct fuse_ll *f;
@@ -2060,7 +2061,7 @@ int fuse_lowlevel_notify_delete(struct fuse_chan *ch,
}
int fuse_lowlevel_notify_store(struct fuse_chan *ch, fuse_ino_t ino,
off64_t offset, struct fuse_bufvec *bufv,
loff_t offset, struct fuse_bufvec *bufv,
enum fuse_buf_copy_flags flags)
{
struct fuse_out_header out;
@@ -2144,7 +2145,7 @@ out:
}
int fuse_lowlevel_notify_retrieve(struct fuse_chan *ch, fuse_ino_t ino,
size_t size, off64_t offset, void *cookie)
size_t size, loff_t offset, void *cookie)
{
struct fuse_notify_retrieve_out outarg;
struct fuse_ll *f;

2
fuse/fuse_mt.c
View File

@@ -119,4 +119,4 @@ int fuse_loop_mt(struct fuse *f)
return res;
}
FUSE_SYMVER(".symver fuse_loop_mt_proc,__fuse_loop_mt@");
FUSE_SYMVER(".symver fuse_loop_mt_proc,__fuse_loop_mt@FUSE_UNVERSIONED");

10
fuse/fuse_session.c
View File

@@ -182,6 +182,16 @@ int fuse_chan_fd(struct fuse_chan *ch)
return ch->fd;
}
int fuse_chan_clearfd(struct fuse_chan *ch)
{
if (ch == NULL)
return -1;
int fd = ch->fd;
ch->fd = -1;
return fd;
}
size_t fuse_chan_bufsize(struct fuse_chan *ch)
{
return ch->bufsize;

22
fuse/fuse_signals.c
View File

@@ -21,13 +21,13 @@ static void exit_handler(int sig)
fuse_session_exit(fuse_instance);
}
static int set_one_signal_handler(int sig, void (*handler)(int))
static int set_one_signal_handler(int sig, void (*handler)(int), int remove)
{
struct sigaction sa;
struct sigaction old_sa;
memset(&sa, 0, sizeof(struct sigaction));
sa.sa_handler = handler;
sa.sa_handler = remove ? SIG_DFL : handler;
sigemptyset(&(sa.sa_mask));
sa.sa_flags = 0;
@@ -36,7 +36,7 @@ static int set_one_signal_handler(int sig, void (*handler)(int))
return -1;
}
if (old_sa.sa_handler == SIG_DFL &&
if (old_sa.sa_handler == (remove ? handler : SIG_DFL) &&
sigaction(sig, &sa, NULL) == -1) {
perror("fuse: cannot set signal handler");
return -1;
@@ -46,10 +46,10 @@ static int set_one_signal_handler(int sig, void (*handler)(int))
int fuse_set_signal_handlers(struct fuse_session *se)
{
if (set_one_signal_handler(SIGHUP, exit_handler) == -1 ||
set_one_signal_handler(SIGINT, exit_handler) == -1 ||
set_one_signal_handler(SIGTERM, exit_handler) == -1 ||
set_one_signal_handler(SIGPIPE, SIG_IGN) == -1)
if (set_one_signal_handler(SIGHUP, exit_handler, 0) == -1 ||
set_one_signal_handler(SIGINT, exit_handler, 0) == -1 ||
set_one_signal_handler(SIGTERM, exit_handler, 0) == -1 ||
set_one_signal_handler(SIGPIPE, SIG_IGN, 0) == -1)
return -1;
fuse_instance = se;
@@ -64,9 +64,9 @@ void fuse_remove_signal_handlers(struct fuse_session *se)
else
fuse_instance = NULL;
set_one_signal_handler(SIGHUP, SIG_DFL);
set_one_signal_handler(SIGINT, SIG_DFL);
set_one_signal_handler(SIGTERM, SIG_DFL);
set_one_signal_handler(SIGPIPE, SIG_DFL);
set_one_signal_handler(SIGHUP, exit_handler, 1);
set_one_signal_handler(SIGINT, exit_handler, 1);
set_one_signal_handler(SIGTERM, exit_handler, 1);
set_one_signal_handler(SIGPIPE, SIG_IGN, 1);
}

210
fuse/fuse_versionscript Normal file
View File

@@ -0,0 +1,210 @@
FUSE_UNVERSIONED {
};
FUSE_2.2 {
global:
fuse_destroy;
fuse_exit;
fuse_exited;
fuse_invalidate;
fuse_is_lib_option;
fuse_loop;
fuse_loop_mt;
fuse_loop_mt_proc;
fuse_main;
fuse_main_compat1;
fuse_main_compat2;
fuse_mount_compat1;
fuse_new_compat1;
fuse_new_compat2;
fuse_process_cmd;
fuse_read_cmd;
fuse_set_getcontext_func;
fuse_setup_compat2;
};
FUSE_2.4 {
global:
fuse_add_dirent;
fuse_chan_bufsize;
fuse_chan_data;
fuse_chan_destroy;
fuse_chan_fd;
fuse_chan_receive;
fuse_chan_send;
fuse_chan_session;
fuse_dirent_size;
fuse_kern_chan_new;
fuse_lowlevel_is_lib_option;
fuse_reply_attr;
fuse_reply_buf;
fuse_reply_entry;
fuse_reply_err;
fuse_reply_none;
fuse_reply_readlink;
fuse_reply_write;
fuse_reply_xattr;
fuse_req_userdata;
fuse_session_add_chan;
fuse_session_destroy;
fuse_session_exit;
fuse_session_exited;
fuse_session_loop;
fuse_session_loop_mt;
fuse_session_new;
fuse_session_next_chan;
fuse_session_process;
fuse_session_reset;
} FUSE_2.2;
FUSE_2.5 {
global:
fuse_lowlevel_new_compat;
fuse_main_real_compat22;
fuse_mount_compat22;
fuse_new_compat22;
fuse_opt_parse;
fuse_opt_add_opt;
fuse_opt_add_arg;
fuse_opt_free_args;
fuse_opt_match;
fuse_parse_cmdline;
fuse_remove_signal_handlers;
fuse_reply_create;
fuse_reply_open;
fuse_reply_open_compat;
fuse_reply_statfs;
fuse_reply_statfs_compat;
fuse_setup_compat22;
fuse_set_signal_handlers;
} FUSE_2.4;
FUSE_2.6 {
global:
fuse_add_direntry;
fuse_chan_new;
fuse_chan_new_compat24;
fuse_chan_recv;
fuse_daemonize;
fuse_get_session;
fuse_interrupted;
fuse_lowlevel_new;
fuse_lowlevel_new_compat25;
fuse_main_real;
fuse_main_real_compat25;
fuse_mount;
fuse_mount_compat25;
fuse_new;
fuse_new_compat25;
fuse_opt_insert_arg;
fuse_reply_lock;
fuse_req_interrupt_func;
fuse_req_interrupted;
fuse_session_remove_chan;
fuse_setup;
fuse_setup_compat25;
fuse_teardown;
fuse_teardown_compat22;
fuse_unmount;
fuse_unmount_compat22;
} FUSE_2.5;
FUSE_2.7 {
global:
fuse_fs_access;
fuse_fs_bmap;
fuse_fs_chmod;
fuse_fs_chown;
fuse_fs_create;
fuse_fs_destroy;
fuse_fs_fgetattr;
fuse_fs_flush;
fuse_fs_fsync;
fuse_fs_fsyncdir;
fuse_fs_ftruncate;
fuse_fs_getattr;
fuse_fs_getxattr;
fuse_fs_init;
fuse_fs_link;
fuse_fs_listxattr;
fuse_fs_lock;
fuse_fs_mkdir;
fuse_fs_mknod;
fuse_fs_new;
fuse_fs_open;
fuse_fs_opendir;
fuse_fs_read;
fuse_fs_readdir;
fuse_fs_readlink;
fuse_fs_release;
fuse_fs_releasedir;
fuse_fs_removexattr;
fuse_fs_rename;
fuse_fs_rmdir;
fuse_fs_setxattr;
fuse_fs_statfs;
fuse_fs_symlink;
fuse_fs_truncate;
fuse_fs_unlink;
fuse_fs_utimens;
fuse_fs_write;
fuse_register_module;
fuse_reply_iov;
fuse_version;
} FUSE_2.6;
FUSE_2.7.5 {
global:
fuse_reply_bmap;
} FUSE_2.7;
FUSE_2.8 {
global:
cuse_lowlevel_new;
cuse_lowlevel_main;
cuse_lowlevel_setup;
cuse_lowlevel_teardown;
fuse_fs_ioctl;
fuse_fs_poll;
fuse_get_context;
fuse_getgroups;
fuse_lowlevel_notify_inval_entry;
fuse_lowlevel_notify_inval_inode;
fuse_lowlevel_notify_poll;
fuse_notify_poll;
fuse_opt_add_opt_escaped;
fuse_pollhandle_destroy;
fuse_reply_ioctl;
fuse_reply_ioctl_iov;
fuse_reply_ioctl_retry;
fuse_reply_poll;
fuse_req_ctx;
fuse_req_getgroups;
fuse_session_data;
} FUSE_2.7.5;
FUSE_2.9 {
global:
fuse_buf_copy;
fuse_buf_size;
fuse_fs_read_buf;
fuse_fs_write_buf;
fuse_lowlevel_notify_retrieve;
fuse_lowlevel_notify_store;
fuse_reply_data;
fuse_session_process_buf;
fuse_session_receive_buf;
fuse_start_cleanup_thread;
fuse_stop_cleanup_thread;
fuse_clean_cache;
fuse_lowlevel_notify_delete;
fuse_fs_flock;
} FUSE_2.8;
FUSE_2.9.1 {
global:
fuse_fs_fallocate;
local:
*;
} FUSE_2.9;

385
fuse/fusexmp.c
View File

@@ -1,385 +0,0 @@
/*
FUSE: Filesystem in Userspace
Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
gcc -Wall `pkg-config fuse --cflags --libs` fusexmp.c -o fusexmp
*/
#define FUSE_USE_VERSION 26
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef linux
/* For pread()/pwrite() */
#define _XOPEN_SOURCE 500
#endif
#include <fuse.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <dirent.h>
#include <errno.h>
#include <sys/time.h>
#ifdef HAVE_SETXATTR
#include <sys/xattr.h>
#endif
static int xmp_getattr(const char *path, struct stat *stbuf)
{
int res;
res = lstat(path, stbuf);
if (res == -1)
return -errno;
return 0;
}
static int xmp_access(const char *path, int mask)
{
int res;
res = access(path, mask);
if (res == -1)
return -errno;
return 0;
}
static int xmp_readlink(const char *path, char *buf, size_t size)
{
int res;
res = readlink(path, buf, size - 1);
if (res == -1)
return -errno;
buf[res] = '\0';
return 0;
}
static int xmp_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
off64_t offset, struct fuse_file_info *fi)
{
DIR *dp;
struct dirent *de;
(void) offset;
(void) fi;
dp = opendir(path);
if (dp == NULL)
return -errno;
while ((de = readdir(dp)) != NULL) {
struct stat st;
memset(&st, 0, sizeof(st));
st.st_ino = de->d_ino;
st.st_mode = de->d_type << 12;
if (filler(buf, de->d_name, &st, 0))
break;
}
closedir(dp);
return 0;
}
static int xmp_mknod(const char *path, mode_t mode, dev_t rdev)
{
int res;
/* On Linux this could just be 'mknod(path, mode, rdev)' but this
is more portable */
if (S_ISREG(mode)) {
res = open(path, O_CREAT | O_EXCL | O_WRONLY, mode);
if (res >= 0)
res = close(res);
} else if (S_ISFIFO(mode))
res = mkfifo(path, mode);
else
res = mknod(path, mode, rdev);
if (res == -1)
return -errno;
return 0;
}
static int xmp_mkdir(const char *path, mode_t mode)
{
int res;
res = mkdir(path, mode);
if (res == -1)
return -errno;
return 0;
}
static int xmp_unlink(const char *path)
{
int res;
res = unlink(path);
if (res == -1)
return -errno;
return 0;
}
static int xmp_rmdir(const char *path)
{
int res;
res = rmdir(path);
if (res == -1)
return -errno;
return 0;
}
static int xmp_symlink(const char *from, const char *to)
{
int res;
res = symlink(from, to);
if (res == -1)
return -errno;
return 0;
}
static int xmp_rename(const char *from, const char *to)
{
int res;
res = rename(from, to);
if (res == -1)
return -errno;
return 0;
}
static int xmp_link(const char *from, const char *to)
{
int res;
res = link(from, to);
if (res == -1)
return -errno;
return 0;
}
static int xmp_chmod(const char *path, mode_t mode)
{
int res;
res = chmod(path, mode);
if (res == -1)
return -errno;
return 0;
}
static int xmp_chown(const char *path, uid_t uid, gid_t gid)
{
int res;
res = lchown(path, uid, gid);
if (res == -1)
return -errno;
return 0;
}
static int xmp_truncate(const char *path, off64_t size)
{
int res;
res = truncate(path, size);
if (res == -1)
return -errno;
return 0;
}
static int xmp_utimens(const char *path, const struct timespec ts[2])
{
int res;
struct timeval tv[2];
tv[0].tv_sec = ts[0].tv_sec;
tv[0].tv_usec = ts[0].tv_nsec / 1000;
tv[1].tv_sec = ts[1].tv_sec;
tv[1].tv_usec = ts[1].tv_nsec / 1000;
res = utimes(path, tv);
if (res == -1)
return -errno;
return 0;
}
static int xmp_open(const char *path, struct fuse_file_info *fi)
{
int res;
res = open(path, fi->flags);
if (res == -1)
return -errno;
close(res);
return 0;
}
static int xmp_read(const char *path, char *buf, size_t size, off64_t offset,
struct fuse_file_info *fi)
{
int fd;
int res;
(void) fi;
fd = open(path, O_RDONLY);
if (fd == -1)
return -errno;
res = pread(fd, buf, size, offset);
if (res == -1)
res = -errno;
close(fd);
return res;
}
static int xmp_write(const char *path, const char *buf, size_t size,
off64_t offset, struct fuse_file_info *fi)
{
int fd;
int res;
(void) fi;
fd = open(path, O_WRONLY);
if (fd == -1)
return -errno;
res = pwrite(fd, buf, size, offset);
if (res == -1)
res = -errno;
close(fd);
return res;
}
static int xmp_statfs(const char *path, struct statvfs *stbuf)
{
int res;
//res = statvfs(path, stbuf);
if (res == -1)
return -errno;
return 0;
}
static int xmp_release(const char *path, struct fuse_file_info *fi)
{
/* Just a stub. This method is optional and can safely be left
unimplemented */
(void) path;
(void) fi;
return 0;
}
static int xmp_fsync(const char *path, int isdatasync,
struct fuse_file_info *fi)
{
/* Just a stub. This method is optional and can safely be left
unimplemented */
(void) path;
(void) isdatasync;
(void) fi;
return 0;
}
#ifdef HAVE_SETXATTR
/* xattr operations are optional and can safely be left unimplemented */
static int xmp_setxattr(const char *path, const char *name, const char *value,
size_t size, int flags)
{
int res = lsetxattr(path, name, value, size, flags);
if (res == -1)
return -errno;
return 0;
}
static int xmp_getxattr(const char *path, const char *name, char *value,
size_t size)
{
int res = lgetxattr(path, name, value, size);
if (res == -1)
return -errno;
return res;
}
static int xmp_listxattr(const char *path, char *list, size_t size)
{
int res = llistxattr(path, list, size);
if (res == -1)
return -errno;
return res;
}
static int xmp_removexattr(const char *path, const char *name)
{
int res = lremovexattr(path, name);
if (res == -1)
return -errno;
return 0;
}
#endif /* HAVE_SETXATTR */
static struct fuse_operations xmp_oper = {
.getattr = xmp_getattr,
.access = xmp_access,
.readlink = xmp_readlink,
.readdir = xmp_readdir,
.mknod = xmp_mknod,
.mkdir = xmp_mkdir,
.symlink = xmp_symlink,
.unlink = xmp_unlink,
.rmdir = xmp_rmdir,
.rename = xmp_rename,
.link = xmp_link,
.chmod = xmp_chmod,
.chown = xmp_chown,
.truncate = xmp_truncate,
.utimens = xmp_utimens,
.open = xmp_open,
.read = xmp_read,
.write = xmp_write,
.statfs = xmp_statfs,
.release = xmp_release,
.fsync = xmp_fsync,
#ifdef HAVE_SETXATTR
.setxattr = xmp_setxattr,
.getxattr = xmp_getxattr,
.listxattr = xmp_listxattr,
.removexattr = xmp_removexattr,
#endif
};
int main(int argc, char *argv[])
{
umask(0);
return fuse_main(argc, argv, &xmp_oper, NULL);
}

16
fuse/helper.c
View File

@@ -249,10 +249,12 @@ struct fuse_chan *fuse_mount(const char *mountpoint, struct fuse_args *args)
static void fuse_unmount_common(const char *mountpoint, struct fuse_chan *ch)
{
int fd = ch ? fuse_chan_fd(ch) : -1;
fuse_kern_unmount(mountpoint, fd);
if (ch)
fuse_chan_destroy(ch);
if (mountpoint) {
int fd = ch ? fuse_chan_clearfd(ch) : -1;
fuse_kern_unmount(mountpoint, fd);
if (ch)
fuse_chan_destroy(ch);
}
}
void fuse_unmount(const char *mountpoint, struct fuse_chan *ch)
@@ -434,10 +436,10 @@ int fuse_mount_compat1(const char *mountpoint, const char *args[])
return fuse_mount_compat22(mountpoint, NULL);
}
FUSE_SYMVER(".symver fuse_setup_compat2,__fuse_setup@");
FUSE_SYMVER(".symver fuse_setup_compat2,__fuse_setup@FUSE_UNVERSIONED");
FUSE_SYMVER(".symver fuse_setup_compat22,fuse_setup@FUSE_2.2");
FUSE_SYMVER(".symver fuse_teardown,__fuse_teardown@");
FUSE_SYMVER(".symver fuse_main_compat2,fuse_main@");
FUSE_SYMVER(".symver fuse_teardown,__fuse_teardown@FUSE_UNVERSIONED");
FUSE_SYMVER(".symver fuse_main_compat2,fuse_main@FUSE_UNVERSIONED");
FUSE_SYMVER(".symver fuse_main_real_compat22,fuse_main_real@FUSE_2.2");
#endif /* __FreeBSD__ || __NetBSD__ */

515
fuse/include/Makefile
View File

@@ -1,515 +0,0 @@
# Makefile.in generated by automake 1.11.1 from Makefile.am.
# include/Makefile. Generated from Makefile.in by configure.
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
# Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
pkgdatadir = $(datadir)/fuse
pkgincludedir = $(includedir)/fuse
pkglibdir = $(libdir)/fuse
pkglibexecdir = $(libexecdir)/fuse
am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
install_sh_DATA = $(install_sh) -c -m 644
install_sh_PROGRAM = $(install_sh) -c
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INSTALL_HEADER = $(INSTALL_DATA)
transform = $(program_transform_name)
NORMAL_INSTALL = :
PRE_INSTALL = :
POST_INSTALL = :
NORMAL_UNINSTALL = :
PRE_UNINSTALL = :
POST_UNINSTALL = :
build_triplet = i686-pc-linux-gnu
host_triplet = i686-pc-linux-gnu
target_triplet = i686-pc-linux-gnu
subdir = include
DIST_COMMON = $(fuseinclude_HEADERS) $(include_HEADERS) \
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$(srcdir)/config.h.in
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
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am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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mkinstalldirs = $(install_sh) -d
CONFIG_HEADER = config.h
CONFIG_CLEAN_FILES =
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SOURCES =
DIST_SOURCES =
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am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
am__install_max = 40
am__nobase_strip_setup = \
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am__nobase_strip = \
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am__nobase_list = $(am__nobase_strip_setup); \
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am__installdirs = "$(DESTDIR)$(fuseincludedir)" \
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AR = ar
AUTOCONF = ${SHELL} /root/fuse-2.8.5/missing --run autoconf
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AWK = mawk
CC = gcc
CCDEPMODE = depmode=gcc3
CFLAGS = -Wall -W -Wno-sign-compare -Wstrict-prototypes -Wmissing-declarations -Wwrite-strings -g -O2 -fno-strict-aliasing
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CPPFLAGS =
CYGPATH_W = echo
DEFS = -DHAVE_CONFIG_H
DEPDIR = .deps
DSYMUTIL =
DUMPBIN =
ECHO_C =
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GREP = /bin/grep
INIT_D_PATH = /etc/init.d
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INSTALL_DATA = ${INSTALL} -m 644
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LD = /usr/bin/ld
LDFLAGS =
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LTLIBICONV =
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MKDIR_P = /bin/mkdir -p
MOUNT_FUSE_PATH = /sbin
NM = /usr/bin/nm -B
NMEDIT =
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OBJEXT = o
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PACKAGE_BUGREPORT =
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PATH_SEPARATOR = :
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UDEV_RULES_PATH = /etc/udev/rules.d
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abs_builddir = /root/fuse-2.8.5/include
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$(TAGS_FILES) $(LISP)
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&& $(am__cd) $(top_srcdir) \
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@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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done
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check: check-am
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test -z "$$dir" || $(MKDIR_P) "$$dir"; \
done
install: install-am
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@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
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clean-generic:
distclean-generic:
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-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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@echo "This command is intended for maintainers to use"
@echo "it deletes files that may require special tools to rebuild."
clean: clean-am
clean-am: clean-generic clean-libtool mostlyclean-am
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

86
fuse/include/config.h.in
View File

@@ -1,86 +0,0 @@
/* include/config.h.in. Generated from configure.in by autoheader. */
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
/* Define to 1 if you have the `fdatasync' function. */
#undef HAVE_FDATASYNC
/* Define to 1 if you have the `fork' function. */
#undef HAVE_FORK
/* Define if you have the iconv() function and it works. */
#undef HAVE_ICONV
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 if you have the `setxattr' function. */
#undef HAVE_SETXATTR
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H
/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define to 1 if `st_atim' is member of `struct stat'. */
#undef HAVE_STRUCT_STAT_ST_ATIM
/* Define to 1 if `st_atimespec' is member of `struct stat'. */
#undef HAVE_STRUCT_STAT_ST_ATIMESPEC
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H
/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
/* Define as const if the declaration of iconv() needs const. */
#undef ICONV_CONST
/* Don't update /etc/mtab */
#undef IGNORE_MTAB
/* Define to the sub-directory in which libtool stores uninstalled libraries.
*/
#undef LT_OBJDIR
/* Define to 1 if your C compiler doesn't accept -c and -o together. */
#undef NO_MINUS_C_MINUS_O
/* Name of package */
#undef PACKAGE
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the version of this package. */
#undef PACKAGE_VERSION
/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS
/* Version number of package */
#undef VERSION

4
fuse/include/cuse_lowlevel.h
View File

@@ -51,9 +51,9 @@ struct cuse_lowlevel_ops {
void (*init_done) (void *userdata);
void (*destroy) (void *userdata);
void (*open) (fuse_req_t req, struct fuse_file_info *fi);
void (*read) (fuse_req_t req, size_t size, off64_t off,
void (*read) (fuse_req_t req, size_t size, loff_t off,
struct fuse_file_info *fi);
void (*write) (fuse_req_t req, const char *buf, size_t size, off64_t off,
void (*write) (fuse_req_t req, const char *buf, size_t size, loff_t off,
struct fuse_file_info *fi);
void (*flush) (fuse_req_t req, struct fuse_file_info *fi);
void (*release) (fuse_req_t req, struct fuse_file_info *fi);

41
fuse/include/fuse.h
View File

@@ -30,9 +30,11 @@
#include <utime.h>
#include <sys/types.h>
#include <sys/stat.h>
#if defined(__ANDROID__)
#include <pthread.h>
#endif
#include <sys/statvfs.h>
#include <sys/uio.h>
#include <pthread.h>
#ifdef __cplusplus
extern "C" {
@@ -57,7 +59,7 @@ struct fuse_cmd;
* @return 1 if buffer is full, zero otherwise
*/
typedef int (*fuse_fill_dir_t) (void *buf, const char *name,
const struct stat *stbuf, off64_t off);
const struct stat *stbuf, loff_t off);
/* Used by deprecated getdir() method */
typedef struct fuse_dirhandle *fuse_dirh_t;
@@ -146,7 +148,7 @@ struct fuse_operations {
int (*chown) (const char *, uid_t, gid_t);
/** Change the size of a file */
int (*truncate) (const char *, off64_t);
int (*truncate) (const char *, loff_t);
/** Change the access and/or modification times of a file
*
@@ -184,7 +186,7 @@ struct fuse_operations {
*
* Changed in version 2.2
*/
int (*read) (const char *, char *, size_t, off64_t,
int (*read) (const char *, char *, size_t, loff_t,
struct fuse_file_info *);
/** Write data to an open file
@@ -195,7 +197,7 @@ struct fuse_operations {
*
* Changed in version 2.2
*/
int (*write) (const char *, const char *, size_t, off64_t,
int (*write) (const char *, const char *, size_t, loff_t,
struct fuse_file_info *);
/** Get file system statistics
@@ -302,7 +304,7 @@ struct fuse_operations {
*
* Introduced in version 2.3
*/
int (*readdir) (const char *, void *, fuse_fill_dir_t, off64_t,
int (*readdir) (const char *, void *, fuse_fill_dir_t, loff_t,
struct fuse_file_info *);
/** Release directory
@@ -380,7 +382,7 @@ struct fuse_operations {
*
* Introduced in version 2.5
*/
int (*ftruncate) (const char *, off64_t, struct fuse_file_info *);
int (*ftruncate) (const char *, loff_t, struct fuse_file_info *);
/**
* Get attributes from an open file
@@ -501,6 +503,9 @@ struct fuse_operations {
* _IOC_READ in area and if both are set in/out area. In all
* non-NULL cases, the area is of _IOC_SIZE(cmd) bytes.
*
* If flags has FUSE_IOCTL_DIR then the fuse_file_info refers to a
* directory file handle.
*
* Introduced in version 2.8
*/
int (*ioctl) (const char *, int cmd, void *arg,
@@ -534,7 +539,7 @@ struct fuse_operations {
*
* Introduced in version 2.9
*/
int (*write_buf) (const char *, struct fuse_bufvec *buf, off64_t off,
int (*write_buf) (const char *, struct fuse_bufvec *buf, loff_t off,
struct fuse_file_info *);
/** Store data from an open file in a buffer
@@ -554,7 +559,7 @@ struct fuse_operations {
* Introduced in version 2.9
*/
int (*read_buf) (const char *, struct fuse_bufvec **bufp,
size_t size, off64_t off, struct fuse_file_info *);
size_t size, loff_t off, struct fuse_file_info *);
/**
* Perform BSD file locking operation
*
@@ -587,7 +592,7 @@ struct fuse_operations {
*
* Introduced in version 2.9.1
*/
int (*fallocate) (const char *, int, off64_t, off64_t,
int (*fallocate) (const char *, int, loff_t, loff_t,
struct fuse_file_info *);
};
@@ -827,14 +832,14 @@ int fuse_fs_release(struct fuse_fs *fs, const char *path,
int fuse_fs_open(struct fuse_fs *fs, const char *path,
struct fuse_file_info *fi);
int fuse_fs_read(struct fuse_fs *fs, const char *path, char *buf, size_t size,
off64_t off, struct fuse_file_info *fi);
loff_t off, struct fuse_file_info *fi);
int fuse_fs_read_buf(struct fuse_fs *fs, const char *path,
struct fuse_bufvec **bufp, size_t size, off64_t off,
struct fuse_bufvec **bufp, size_t size, loff_t off,
struct fuse_file_info *fi);
int fuse_fs_write(struct fuse_fs *fs, const char *path, const char *buf,
size_t size, off64_t off, struct fuse_file_info *fi);
size_t size, loff_t off, struct fuse_file_info *fi);
int fuse_fs_write_buf(struct fuse_fs *fs, const char *path,
struct fuse_bufvec *buf, off64_t off,
struct fuse_bufvec *buf, loff_t off,
struct fuse_file_info *fi);
int fuse_fs_fsync(struct fuse_fs *fs, const char *path, int datasync,
struct fuse_file_info *fi);
@@ -844,7 +849,7 @@ int fuse_fs_statfs(struct fuse_fs *fs, const char *path, struct statvfs *buf);
int fuse_fs_opendir(struct fuse_fs *fs, const char *path,
struct fuse_file_info *fi);
int fuse_fs_readdir(struct fuse_fs *fs, const char *path, void *buf,
fuse_fill_dir_t filler, off64_t off,
fuse_fill_dir_t filler, loff_t off,
struct fuse_file_info *fi);
int fuse_fs_fsyncdir(struct fuse_fs *fs, const char *path, int datasync,
struct fuse_file_info *fi);
@@ -858,8 +863,8 @@ int fuse_fs_flock(struct fuse_fs *fs, const char *path,
struct fuse_file_info *fi, int op);
int fuse_fs_chmod(struct fuse_fs *fs, const char *path, mode_t mode);
int fuse_fs_chown(struct fuse_fs *fs, const char *path, uid_t uid, gid_t gid);
int fuse_fs_truncate(struct fuse_fs *fs, const char *path, off64_t size);
int fuse_fs_ftruncate(struct fuse_fs *fs, const char *path, off64_t size,
int fuse_fs_truncate(struct fuse_fs *fs, const char *path, loff_t size);
int fuse_fs_ftruncate(struct fuse_fs *fs, const char *path, loff_t size,
struct fuse_file_info *fi);
int fuse_fs_utimens(struct fuse_fs *fs, const char *path,
const struct timespec tv[2]);
@@ -885,7 +890,7 @@ int fuse_fs_poll(struct fuse_fs *fs, const char *path,
struct fuse_file_info *fi, struct fuse_pollhandle *ph,
unsigned *reventsp);
int fuse_fs_fallocate(struct fuse_fs *fs, const char *path, int mode,
off64_t offset, off64_t length, struct fuse_file_info *fi);
loff_t offset, loff_t length, struct fuse_file_info *fi);
void fuse_fs_init(struct fuse_fs *fs, struct fuse_conn_info *conn);
void fuse_fs_destroy(struct fuse_fs *fs);

4
fuse/include/fuse_common.h
View File

@@ -28,7 +28,7 @@
#define FUSE_MAKE_VERSION(maj, min) ((maj) * 10 + (min))
#define FUSE_VERSION FUSE_MAKE_VERSION(FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION)
/* This interface uses 64 bit off64_t */
/* This interface uses 64 bit off_t */
#if _FILE_OFFSET_BITS != 64
#error Please add -D_FILE_OFFSET_BITS=64 to your compile flags!
#endif
@@ -372,7 +372,7 @@ struct fuse_buf {
*
* Used if FUSE_BUF_FD_SEEK flag is set.
*/
off64_t pos;
loff_t pos;
};
/**

32
fuse/include/fuse_compat.h
View File

@@ -9,6 +9,8 @@
/* these definitions provide source compatibility to prior versions.
Do not include this file directly! */
#include "fuse_lowlevel.h"
struct fuse_operations_compat25 {
int (*getattr) (const char *, struct stat *);
int (*readlink) (const char *, char *, size_t);
@@ -22,12 +24,12 @@ struct fuse_operations_compat25 {
int (*link) (const char *, const char *);
int (*chmod) (const char *, mode_t);
int (*chown) (const char *, uid_t, gid_t);
int (*truncate) (const char *, off64_t);
int (*truncate) (const char *, loff_t);
int (*utime) (const char *, struct utimbuf *);
int (*open) (const char *, struct fuse_file_info *);
int (*read) (const char *, char *, size_t, off64_t,
int (*read) (const char *, char *, size_t, loff_t,
struct fuse_file_info *);
int (*write) (const char *, const char *, size_t, off64_t,
int (*write) (const char *, const char *, size_t, loff_t,
struct fuse_file_info *);
int (*statfs) (const char *, struct statvfs *);
int (*flush) (const char *, struct fuse_file_info *);
@@ -38,7 +40,7 @@ struct fuse_operations_compat25 {
int (*listxattr) (const char *, char *, size_t);
int (*removexattr) (const char *, const char *);
int (*opendir) (const char *, struct fuse_file_info *);
int (*readdir) (const char *, void *, fuse_fill_dir_t, off64_t,
int (*readdir) (const char *, void *, fuse_fill_dir_t, loff_t,
struct fuse_file_info *);
int (*releasedir) (const char *, struct fuse_file_info *);
int (*fsyncdir) (const char *, int, struct fuse_file_info *);
@@ -46,7 +48,7 @@ struct fuse_operations_compat25 {
void (*destroy) (void *);
int (*access) (const char *, int);
int (*create) (const char *, mode_t, struct fuse_file_info *);
int (*ftruncate) (const char *, off64_t, struct fuse_file_info *);
int (*ftruncate) (const char *, loff_t, struct fuse_file_info *);
int (*fgetattr) (const char *, struct stat *, struct fuse_file_info *);
};
@@ -81,12 +83,12 @@ struct fuse_operations_compat22 {
int (*link) (const char *, const char *);
int (*chmod) (const char *, mode_t);
int (*chown) (const char *, uid_t, gid_t);
int (*truncate) (const char *, off64_t);
int (*truncate) (const char *, loff_t);
int (*utime) (const char *, struct utimbuf *);
int (*open) (const char *, struct fuse_file_info_compat *);
int (*read) (const char *, char *, size_t, off64_t,
int (*read) (const char *, char *, size_t, loff_t,
struct fuse_file_info_compat *);
int (*write) (const char *, const char *, size_t, off64_t,
int (*write) (const char *, const char *, size_t, loff_t,
struct fuse_file_info_compat *);
int (*statfs) (const char *, struct statfs *);
int (*flush) (const char *, struct fuse_file_info_compat *);
@@ -97,7 +99,7 @@ struct fuse_operations_compat22 {
int (*listxattr) (const char *, char *, size_t);
int (*removexattr) (const char *, const char *);
int (*opendir) (const char *, struct fuse_file_info_compat *);
int (*readdir) (const char *, void *, fuse_fill_dir_t, off64_t,
int (*readdir) (const char *, void *, fuse_fill_dir_t, loff_t,
struct fuse_file_info_compat *);
int (*releasedir) (const char *, struct fuse_file_info_compat *);
int (*fsyncdir) (const char *, int, struct fuse_file_info_compat *);
@@ -132,11 +134,11 @@ struct fuse_operations_compat2 {
int (*link) (const char *, const char *);
int (*chmod) (const char *, mode_t);
int (*chown) (const char *, uid_t, gid_t);
int (*truncate) (const char *, off64_t);
int (*truncate) (const char *, loff_t);
int (*utime) (const char *, struct utimbuf *);
int (*open) (const char *, int);
int (*read) (const char *, char *, size_t, off64_t);
int (*write) (const char *, const char *, size_t, off64_t);
int (*read) (const char *, char *, size_t, loff_t);
int (*write) (const char *, const char *, size_t, loff_t);
int (*statfs) (const char *, struct statfs *);
int (*flush) (const char *);
int (*release) (const char *, int);
@@ -180,11 +182,11 @@ struct fuse_operations_compat1 {
int (*link) (const char *, const char *);
int (*chmod) (const char *, mode_t);
int (*chown) (const char *, uid_t, gid_t);
int (*truncate) (const char *, off64_t);
int (*truncate) (const char *, loff_t);
int (*utime) (const char *, struct utimbuf *);
int (*open) (const char *, int);
int (*read) (const char *, char *, size_t, off64_t);
int (*write) (const char *, const char *, size_t, off64_t);
int (*read) (const char *, char *, size_t, loff_t);
int (*write) (const char *, const char *, size_t, loff_t);
int (*statfs) (struct fuse_statfs_compat1 *);
int (*release) (const char *, int);
int (*fsync) (const char *, int);

28
fuse/include/fuse_lowlevel.h
View File

@@ -462,7 +462,7 @@ struct fuse_lowlevel_ops {
* @param off offset to read from
* @param fi file information
*/
void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, off64_t off,
void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, loff_t off,
struct fuse_file_info *fi);
/**
@@ -489,7 +489,7 @@ struct fuse_lowlevel_ops {
* @param fi file information
*/
void (*write) (fuse_req_t req, fuse_ino_t ino, const char *buf,
size_t size, off64_t off, struct fuse_file_info *fi);
size_t size, loff_t off, struct fuse_file_info *fi);
/**
* Flush method
@@ -612,7 +612,7 @@ struct fuse_lowlevel_ops {
* @param off offset to continue reading the directory stream
* @param fi file information
*/
void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, off64_t off,
void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, loff_t off,
struct fuse_file_info *fi);
/**
@@ -941,7 +941,7 @@ struct fuse_lowlevel_ops {
* @param fi file information
*/
void (*write_buf) (fuse_req_t req, fuse_ino_t ino,
struct fuse_bufvec *bufv, off64_t off,
struct fuse_bufvec *bufv, loff_t off,
struct fuse_file_info *fi);
/**
@@ -959,7 +959,7 @@ struct fuse_lowlevel_ops {
* @param bufv the buffer containing the returned data
*/
void (*retrieve_reply) (fuse_req_t req, void *cookie, fuse_ino_t ino,
off64_t offset, struct fuse_bufvec *bufv);
loff_t offset, struct fuse_bufvec *bufv);
/**
* Forget about multiple inodes
@@ -1015,7 +1015,7 @@ struct fuse_lowlevel_ops {
* see fallocate(2)
*/
void (*fallocate) (fuse_req_t req, fuse_ino_t ino, int mode,
off64_t offset, off64_t length, struct fuse_file_info *fi);
loff_t offset, loff_t length, struct fuse_file_info *fi);
};
/**
@@ -1249,7 +1249,7 @@ int fuse_reply_bmap(fuse_req_t req, uint64_t idx);
*/
size_t fuse_add_direntry(fuse_req_t req, char *buf, size_t bufsize,
const char *name, const struct stat *stbuf,
off64_t off);
loff_t off);
/**
* Reply to ask for data fetch and output buffer preparation. ioctl
@@ -1329,12 +1329,16 @@ int fuse_lowlevel_notify_poll(struct fuse_pollhandle *ph);
* @return zero for success, -errno for failure
*/
int fuse_lowlevel_notify_inval_inode(struct fuse_chan *ch, fuse_ino_t ino,
off64_t off, off64_t len);
loff_t off, loff_t len);
/**
* Notify to invalidate parent attributes and the dentry matching
* parent/name
*
* To avoid a deadlock don't call this function from a filesystem operation and
* don't call it with a lock held that can also be held by a filesystem
* operation.
*
* @param ch the channel through which to send the invalidation
* @param parent inode number
* @param name file name
@@ -1349,6 +1353,10 @@ int fuse_lowlevel_notify_inval_entry(struct fuse_chan *ch, fuse_ino_t parent,
* parent/name if the dentry's inode number matches child (otherwise it
* will invalidate the matching dentry).
*
* To avoid a deadlock don't call this function from a filesystem operation and
* don't call it with a lock held that can also be held by a filesystem
* operation.
*
* @param ch the channel through which to send the notification
* @param parent inode number
* @param child inode number
@@ -1382,7 +1390,7 @@ int fuse_lowlevel_notify_delete(struct fuse_chan *ch,
* @return zero for success, -errno for failure
*/
int fuse_lowlevel_notify_store(struct fuse_chan *ch, fuse_ino_t ino,
off64_t offset, struct fuse_bufvec *bufv,
loff_t offset, struct fuse_bufvec *bufv,
enum fuse_buf_copy_flags flags);
/**
* Retrieve data from the kernel buffers
@@ -1410,7 +1418,7 @@ int fuse_lowlevel_notify_store(struct fuse_chan *ch, fuse_ino_t ino,
* @return zero for success, -errno for failure
*/
int fuse_lowlevel_notify_retrieve(struct fuse_chan *ch, fuse_ino_t ino,
size_t size, off64_t offset, void *cookie);
size_t size, loff_t offset, void *cookie);
/* ----------------------------------------------------------- *

16
fuse/include/fuse_lowlevel_compat.h
View File

@@ -9,6 +9,8 @@
/* these definitions provide source compatibility to prior versions.
Do not include this file directly! */
#include "fuse_common.h"
struct fuse_lowlevel_ops_compat25 {
void (*init) (void *userdata);
void (*destroy) (void *userdata);
@@ -33,10 +35,10 @@ struct fuse_lowlevel_ops_compat25 {
const char *newname);
void (*open) (fuse_req_t req, fuse_ino_t ino,
struct fuse_file_info *fi);
void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, off64_t off,
void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, loff_t off,
struct fuse_file_info *fi);
void (*write) (fuse_req_t req, fuse_ino_t ino, const char *buf,
size_t size, off64_t off, struct fuse_file_info *fi);
size_t size, loff_t off, struct fuse_file_info *fi);
void (*flush) (fuse_req_t req, fuse_ino_t ino,
struct fuse_file_info *fi);
void (*release) (fuse_req_t req, fuse_ino_t ino,
@@ -45,7 +47,7 @@ struct fuse_lowlevel_ops_compat25 {
struct fuse_file_info *fi);
void (*opendir) (fuse_req_t req, fuse_ino_t ino,
struct fuse_file_info *fi);
void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, off64_t off,
void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, loff_t off,
struct fuse_file_info *fi);
void (*releasedir) (fuse_req_t req, fuse_ino_t ino,
struct fuse_file_info *fi);
@@ -70,7 +72,7 @@ struct fuse_session *fuse_lowlevel_new_compat25(struct fuse_args *args,
size_t fuse_dirent_size(size_t namelen);
char *fuse_add_dirent(char *buf, const char *name, const struct stat *stbuf,
off64_t off);
loff_t off);
#if !defined(__FreeBSD__) && !defined(__NetBSD__)
@@ -100,10 +102,10 @@ struct fuse_lowlevel_ops_compat {
const char *newname);
void (*open) (fuse_req_t req, fuse_ino_t ino,
struct fuse_file_info_compat *fi);
void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, off64_t off,
void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, loff_t off,
struct fuse_file_info_compat *fi);
void (*write) (fuse_req_t req, fuse_ino_t ino, const char *buf,
size_t size, off64_t off, struct fuse_file_info_compat *fi);
size_t size, loff_t off, struct fuse_file_info_compat *fi);
void (*flush) (fuse_req_t req, fuse_ino_t ino,
struct fuse_file_info_compat *fi);
void (*release) (fuse_req_t req, fuse_ino_t ino,
@@ -112,7 +114,7 @@ struct fuse_lowlevel_ops_compat {
struct fuse_file_info_compat *fi);
void (*opendir) (fuse_req_t req, fuse_ino_t ino,
struct fuse_file_info_compat *fi);
void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, off64_t off,
void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, loff_t off,
struct fuse_file_info_compat *fi);
void (*releasedir) (fuse_req_t req, fuse_ino_t ino,
struct fuse_file_info_compat *fi);

1
fuse/include/stamp-h1
View File

@@ -1 +0,0 @@
timestamp for include/config.h

18
fuse/include/sys/statvfs.h
View File

@@ -1,18 +0,0 @@
#ifndef __STATVFS_H
#define __STATVFS_H
struct statvfs {
unsigned long f_bsize; /* file system block size */
unsigned long f_frsize; /* fragment size */
fsblkcnt_t f_blocks; /* size of fs in f_frsize units */
fsblkcnt_t f_bfree; /* # free blocks */
fsblkcnt_t f_bavail; /* # free blocks for non-root */
fsfilcnt_t f_files; /* # inodes */
fsfilcnt_t f_ffree; /* # free inodes */
fsfilcnt_t f_favail; /* # free inodes for non-root */
unsigned long f_fsid; /* file system ID */
unsigned long f_flag; /* mount flags */
unsigned long f_namemax; /* maximum filename length */
};
#endif

2
fuse/include/ulockmgr.h
View File

@@ -6,6 +6,8 @@
See the file COPYING.LIB.
*/
#include "fuse_lowlevel.h"
#include <stdint.h>
#include <fcntl.h>
#include <sys/types.h>

739
fuse/modules/iconv.c Normal file
View File

@@ -0,0 +1,739 @@
/*
fuse iconv module: file name charset conversion
Copyright (C) 2007 Miklos Szeredi <miklos@szeredi.hu>
This program can be distributed under the terms of the GNU LGPLv2.
See the file COPYING.LIB
*/
#define FUSE_USE_VERSION 26
#include <fuse.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <errno.h>
#include <iconv.h>
#include <pthread.h>
#include <locale.h>
#include <langinfo.h>
struct iconv {
struct fuse_fs *next;
pthread_mutex_t lock;
char *from_code;
char *to_code;
iconv_t tofs;
iconv_t fromfs;
};
struct iconv_dh {
struct iconv *ic;
void *prev_buf;
fuse_fill_dir_t prev_filler;
};
static struct iconv *iconv_get(void)
{
return fuse_get_context()->private_data;
}
static int iconv_convpath(struct iconv *ic, const char *path, char **newpathp,
int fromfs)
{
size_t pathlen;
size_t newpathlen;
char *newpath;
size_t plen;
char *p;
size_t res;
int err;
if (path == NULL) {
*newpathp = NULL;
return 0;
}
pathlen = strlen(path);
newpathlen = pathlen * 4;
newpath = malloc(newpathlen + 1);
if (!newpath)
return -ENOMEM;
plen = newpathlen;
p = newpath;
pthread_mutex_lock(&ic->lock);
do {
res = iconv(fromfs ? ic->fromfs : ic->tofs, (char **) &path,
&pathlen, &p, &plen);
if (res == (size_t) -1) {
char *tmp;
size_t inc;
err = -EILSEQ;
if (errno != E2BIG)
goto err;
inc = (pathlen + 1) * 4;
newpathlen += inc;
tmp = realloc(newpath, newpathlen + 1);
err = -ENOMEM;
if (!tmp)
goto err;
p = tmp + (p - newpath);
plen += inc;
newpath = tmp;
}
} while (res == (size_t) -1);
pthread_mutex_unlock(&ic->lock);
*p = '\0';
*newpathp = newpath;
return 0;
err:
iconv(fromfs ? ic->fromfs : ic->tofs, NULL, NULL, NULL, NULL);
pthread_mutex_unlock(&ic->lock);
free(newpath);
return err;
}
static int iconv_getattr(const char *path, struct stat *stbuf)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_getattr(ic->next, newpath, stbuf);
free(newpath);
}
return err;
}
static int iconv_fgetattr(const char *path, struct stat *stbuf,
struct fuse_file_info *fi)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_fgetattr(ic->next, newpath, stbuf, fi);
free(newpath);
}
return err;
}
static int iconv_access(const char *path, int mask)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_access(ic->next, newpath, mask);
free(newpath);
}
return err;
}
static int iconv_readlink(const char *path, char *buf, size_t size)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_readlink(ic->next, newpath, buf, size);
if (!err) {
char *newlink;
err = iconv_convpath(ic, buf, &newlink, 1);
if (!err) {
strncpy(buf, newlink, size - 1);
buf[size - 1] = '\0';
free(newlink);
}
}
free(newpath);
}
return err;
}
static int iconv_opendir(const char *path, struct fuse_file_info *fi)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_opendir(ic->next, newpath, fi);
free(newpath);
}
return err;
}
static int iconv_dir_fill(void *buf, const char *name,
const struct stat *stbuf, loff_t off)
{
struct iconv_dh *dh = buf;
char *newname;
int res = 0;
if (iconv_convpath(dh->ic, name, &newname, 1) == 0) {
res = dh->prev_filler(dh->prev_buf, newname, stbuf, off);
free(newname);
}
return res;
}
static int iconv_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
loff_t offset, struct fuse_file_info *fi)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
struct iconv_dh dh;
dh.ic = ic;
dh.prev_buf = buf;
dh.prev_filler = filler;
err = fuse_fs_readdir(ic->next, newpath, &dh, iconv_dir_fill,
offset, fi);
free(newpath);
}
return err;
}
static int iconv_releasedir(const char *path, struct fuse_file_info *fi)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_releasedir(ic->next, newpath, fi);
free(newpath);
}
return err;
}
static int iconv_mknod(const char *path, mode_t mode, dev_t rdev)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_mknod(ic->next, newpath, mode, rdev);
free(newpath);
}
return err;
}
static int iconv_mkdir(const char *path, mode_t mode)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_mkdir(ic->next, newpath, mode);
free(newpath);
}
return err;
}
static int iconv_unlink(const char *path)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_unlink(ic->next, newpath);
free(newpath);
}
return err;
}
static int iconv_rmdir(const char *path)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_rmdir(ic->next, newpath);
free(newpath);
}
return err;
}
static int iconv_symlink(const char *from, const char *to)
{
struct iconv *ic = iconv_get();
char *newfrom;
char *newto;
int err = iconv_convpath(ic, from, &newfrom, 0);
if (!err) {
err = iconv_convpath(ic, to, &newto, 0);
if (!err) {
err = fuse_fs_symlink(ic->next, newfrom, newto);
free(newto);
}
free(newfrom);
}
return err;
}
static int iconv_rename(const char *from, const char *to)
{
struct iconv *ic = iconv_get();
char *newfrom;
char *newto;
int err = iconv_convpath(ic, from, &newfrom, 0);
if (!err) {
err = iconv_convpath(ic, to, &newto, 0);
if (!err) {
err = fuse_fs_rename(ic->next, newfrom, newto);
free(newto);
}
free(newfrom);
}
return err;
}
static int iconv_link(const char *from, const char *to)
{
struct iconv *ic = iconv_get();
char *newfrom;
char *newto;
int err = iconv_convpath(ic, from, &newfrom, 0);
if (!err) {
err = iconv_convpath(ic, to, &newto, 0);
if (!err) {
err = fuse_fs_link(ic->next, newfrom, newto);
free(newto);
}
free(newfrom);
}
return err;
}
static int iconv_chmod(const char *path, mode_t mode)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_chmod(ic->next, newpath, mode);
free(newpath);
}
return err;
}
static int iconv_chown(const char *path, uid_t uid, gid_t gid)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_chown(ic->next, newpath, uid, gid);
free(newpath);
}
return err;
}
static int iconv_truncate(const char *path, loff_t size)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_truncate(ic->next, newpath, size);
free(newpath);
}
return err;
}
static int iconv_ftruncate(const char *path, loff_t size,
struct fuse_file_info *fi)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_ftruncate(ic->next, newpath, size, fi);
free(newpath);
}
return err;
}
static int iconv_utimens(const char *path, const struct timespec ts[2])
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_utimens(ic->next, newpath, ts);
free(newpath);
}
return err;
}
static int iconv_create(const char *path, mode_t mode,
struct fuse_file_info *fi)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_create(ic->next, newpath, mode, fi);
free(newpath);
}
return err;
}
static int iconv_open_file(const char *path, struct fuse_file_info *fi)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_open(ic->next, newpath, fi);
free(newpath);
}
return err;
}
static int iconv_read_buf(const char *path, struct fuse_bufvec **bufp,
size_t size, loff_t offset, struct fuse_file_info *fi)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_read_buf(ic->next, newpath, bufp, size, offset, fi);
free(newpath);
}
return err;
}
static int iconv_write_buf(const char *path, struct fuse_bufvec *buf,
loff_t offset, struct fuse_file_info *fi)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_write_buf(ic->next, newpath, buf, offset, fi);
free(newpath);
}
return err;
}
static int iconv_statfs(const char *path, struct statvfs *stbuf)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_statfs(ic->next, newpath, stbuf);
free(newpath);
}
return err;
}
static int iconv_flush(const char *path, struct fuse_file_info *fi)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_flush(ic->next, newpath, fi);
free(newpath);
}
return err;
}
static int iconv_release(const char *path, struct fuse_file_info *fi)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_release(ic->next, newpath, fi);
free(newpath);
}
return err;
}
static int iconv_fsync(const char *path, int isdatasync,
struct fuse_file_info *fi)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_fsync(ic->next, newpath, isdatasync, fi);
free(newpath);
}
return err;
}
static int iconv_fsyncdir(const char *path, int isdatasync,
struct fuse_file_info *fi)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_fsyncdir(ic->next, newpath, isdatasync, fi);
free(newpath);
}
return err;
}
static int iconv_setxattr(const char *path, const char *name,
const char *value, size_t size, int flags)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_setxattr(ic->next, newpath, name, value, size,
flags);
free(newpath);
}
return err;
}
static int iconv_getxattr(const char *path, const char *name, char *value,
size_t size)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_getxattr(ic->next, newpath, name, value, size);
free(newpath);
}
return err;
}
static int iconv_listxattr(const char *path, char *list, size_t size)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_listxattr(ic->next, newpath, list, size);
free(newpath);
}
return err;
}
static int iconv_removexattr(const char *path, const char *name)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_removexattr(ic->next, newpath, name);
free(newpath);
}
return err;
}
static int iconv_lock(const char *path, struct fuse_file_info *fi, int cmd,
struct flock *lock)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_lock(ic->next, newpath, fi, cmd, lock);
free(newpath);
}
return err;
}
static int iconv_flock(const char *path, struct fuse_file_info *fi, int op)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_flock(ic->next, newpath, fi, op);
free(newpath);
}
return err;
}
static int iconv_bmap(const char *path, size_t blocksize, uint64_t *idx)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_bmap(ic->next, newpath, blocksize, idx);
free(newpath);
}
return err;
}
static void *iconv_init(struct fuse_conn_info *conn)
{
struct iconv *ic = iconv_get();
fuse_fs_init(ic->next, conn);
return ic;
}
static void iconv_destroy(void *data)
{
struct iconv *ic = data;
fuse_fs_destroy(ic->next);
iconv_close(ic->tofs);
iconv_close(ic->fromfs);
pthread_mutex_destroy(&ic->lock);
free(ic->from_code);
free(ic->to_code);
free(ic);
}
static const struct fuse_operations iconv_oper = {
.destroy = iconv_destroy,
.init = iconv_init,
.getattr = iconv_getattr,
.fgetattr = iconv_fgetattr,
.access = iconv_access,
.readlink = iconv_readlink,
.opendir = iconv_opendir,
.readdir = iconv_readdir,
.releasedir = iconv_releasedir,
.mknod = iconv_mknod,
.mkdir = iconv_mkdir,
.symlink = iconv_symlink,
.unlink = iconv_unlink,
.rmdir = iconv_rmdir,
.rename = iconv_rename,
.link = iconv_link,
.chmod = iconv_chmod,
.chown = iconv_chown,
.truncate = iconv_truncate,
.ftruncate = iconv_ftruncate,
.utimens = iconv_utimens,
.create = iconv_create,
.open = iconv_open_file,
.read_buf = iconv_read_buf,
.write_buf = iconv_write_buf,
.statfs = iconv_statfs,
.flush = iconv_flush,
.release = iconv_release,
.fsync = iconv_fsync,
.fsyncdir = iconv_fsyncdir,
.setxattr = iconv_setxattr,
.getxattr = iconv_getxattr,
.listxattr = iconv_listxattr,
.removexattr = iconv_removexattr,
.lock = iconv_lock,
.flock = iconv_flock,
.bmap = iconv_bmap,
.flag_nullpath_ok = 1,
.flag_nopath = 1,
};
static const struct fuse_opt iconv_opts[] = {
FUSE_OPT_KEY("-h", 0),
FUSE_OPT_KEY("--help", 0),
{ "from_code=%s", offsetof(struct iconv, from_code), 0 },
{ "to_code=%s", offsetof(struct iconv, to_code), 1 },
FUSE_OPT_END
};
static void iconv_help(void)
{
char *old = strdup(setlocale(LC_CTYPE, ""));
char *charmap = strdup(nl_langinfo(CODESET));
setlocale(LC_CTYPE, old);
free(old);
fprintf(stderr,
" -o from_code=CHARSET original encoding of file names (default: UTF-8)\n"
" -o to_code=CHARSET new encoding of the file names (default: %s)\n",
charmap);
free(charmap);
}
static int iconv_opt_proc(void *data, const char *arg, int key,
struct fuse_args *outargs)
{
(void) data; (void) arg; (void) outargs;
if (!key) {
iconv_help();
return -1;
}
return 1;
}
static struct fuse_fs *iconv_new(struct fuse_args *args,
struct fuse_fs *next[])
{
struct fuse_fs *fs;
struct iconv *ic;
char *old = NULL;
const char *from;
const char *to;
ic = calloc(1, sizeof(struct iconv));
if (ic == NULL) {
fprintf(stderr, "fuse-iconv: memory allocation failed\n");
return NULL;
}
if (fuse_opt_parse(args, ic, iconv_opts, iconv_opt_proc) == -1)
goto out_free;
if (!next[0] || next[1]) {
fprintf(stderr, "fuse-iconv: exactly one next filesystem required\n");
goto out_free;
}
from = ic->from_code ? ic->from_code : "UTF-8";
to = ic->to_code ? ic->to_code : "";
/* FIXME: detect charset equivalence? */
if (!to[0])
old = strdup(setlocale(LC_CTYPE, ""));
ic->tofs = iconv_open(from, to);
if (ic->tofs == (iconv_t) -1) {
fprintf(stderr, "fuse-iconv: cannot convert from %s to %s\n",
to, from);
goto out_free;
}
ic->fromfs = iconv_open(to, from);
if (ic->tofs == (iconv_t) -1) {
fprintf(stderr, "fuse-iconv: cannot convert from %s to %s\n",
from, to);
goto out_iconv_close_to;
}
if (old) {
setlocale(LC_CTYPE, old);
free(old);
}
ic->next = next[0];
fs = fuse_fs_new(&iconv_oper, sizeof(iconv_oper), ic);
if (!fs)
goto out_iconv_close_from;
return fs;
out_iconv_close_from:
iconv_close(ic->fromfs);
out_iconv_close_to:
iconv_close(ic->tofs);
out_free:
free(ic->from_code);
free(ic->to_code);
free(ic);
if (old) {
setlocale(LC_CTYPE, old);
free(old);
}
return NULL;
}
FUSE_REGISTER_MODULE(iconv, iconv_new);

697
fuse/modules/subdir.c Normal file
View File

@@ -0,0 +1,697 @@
/*
fuse subdir module: offset paths with a base directory
Copyright (C) 2007 Miklos Szeredi <miklos@szeredi.hu>
This program can be distributed under the terms of the GNU LGPLv2.
See the file COPYING.LIB
*/
#define FUSE_USE_VERSION 26
#include <fuse.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <errno.h>
struct subdir {
char *base;
size_t baselen;
int rellinks;
struct fuse_fs *next;
};
static struct subdir *subdir_get(void)
{
return fuse_get_context()->private_data;
}
static int subdir_addpath(struct subdir *d, const char *path, char **newpathp)
{
char *newpath = NULL;
if (path != NULL) {
unsigned newlen = d->baselen + strlen(path);
newpath = malloc(newlen + 2);
if (!newpath)
return -ENOMEM;
if (path[0] == '/')
path++;
strcpy(newpath, d->base);
strcpy(newpath + d->baselen, path);
if (!newpath[0])
strcpy(newpath, ".");
}
*newpathp = newpath;
return 0;
}
static int subdir_getattr(const char *path, struct stat *stbuf)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_getattr(d->next, newpath, stbuf);
free(newpath);
}
return err;
}
static int subdir_fgetattr(const char *path, struct stat *stbuf,
struct fuse_file_info *fi)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_fgetattr(d->next, newpath, stbuf, fi);
free(newpath);
}
return err;
}
static int subdir_access(const char *path, int mask)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_access(d->next, newpath, mask);
free(newpath);
}
return err;
}
static int count_components(const char *p)
{
int ctr;
for (; *p == '/'; p++);
for (ctr = 0; *p; ctr++) {
for (; *p && *p != '/'; p++);
for (; *p == '/'; p++);
}
return ctr;
}
static void strip_common(const char **sp, const char **tp)
{
const char *s = *sp;
const char *t = *tp;
do {
for (; *s == '/'; s++);
for (; *t == '/'; t++);
*tp = t;
*sp = s;
for (; *s == *t && *s && *s != '/'; s++, t++);
} while ((*s == *t && *s) || (!*s && *t == '/') || (*s == '/' && !*t));
}
static void transform_symlink(struct subdir *d, const char *path,
char *buf, size_t size)
{
const char *l = buf;
size_t llen;
char *s;
int dotdots;
int i;
if (l[0] != '/' || d->base[0] != '/')
return;
strip_common(&l, &path);
if (l - buf < (long) d->baselen)
return;
dotdots = count_components(path);
if (!dotdots)
return;
dotdots--;
llen = strlen(l);
if (dotdots * 3 + llen + 2 > size)
return;
s = buf + dotdots * 3;
if (llen)
memmove(s, l, llen + 1);
else if (!dotdots)
strcpy(s, ".");
else
*s = '\0';
for (s = buf, i = 0; i < dotdots; i++, s += 3)
memcpy(s, "../", 3);
}
static int subdir_readlink(const char *path, char *buf, size_t size)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_readlink(d->next, newpath, buf, size);
if (!err && d->rellinks)
transform_symlink(d, newpath, buf, size);
free(newpath);
}
return err;
}
static int subdir_opendir(const char *path, struct fuse_file_info *fi)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_opendir(d->next, newpath, fi);
free(newpath);
}
return err;
}
static int subdir_readdir(const char *path, void *buf,
fuse_fill_dir_t filler, loff_t offset,
struct fuse_file_info *fi)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_readdir(d->next, newpath, buf, filler, offset,
fi);
free(newpath);
}
return err;
}
static int subdir_releasedir(const char *path, struct fuse_file_info *fi)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_releasedir(d->next, newpath, fi);
free(newpath);
}
return err;
}
static int subdir_mknod(const char *path, mode_t mode, dev_t rdev)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_mknod(d->next, newpath, mode, rdev);
free(newpath);
}
return err;
}
static int subdir_mkdir(const char *path, mode_t mode)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_mkdir(d->next, newpath, mode);
free(newpath);
}
return err;
}
static int subdir_unlink(const char *path)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_unlink(d->next, newpath);
free(newpath);
}
return err;
}
static int subdir_rmdir(const char *path)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_rmdir(d->next, newpath);
free(newpath);
}
return err;
}
static int subdir_symlink(const char *from, const char *path)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_symlink(d->next, from, newpath);
free(newpath);
}
return err;
}
static int subdir_rename(const char *from, const char *to)
{
struct subdir *d = subdir_get();
char *newfrom;
char *newto;
int err = subdir_addpath(d, from, &newfrom);
if (!err) {
err = subdir_addpath(d, to, &newto);
if (!err) {
err = fuse_fs_rename(d->next, newfrom, newto);
free(newto);
}
free(newfrom);
}
return err;
}
static int subdir_link(const char *from, const char *to)
{
struct subdir *d = subdir_get();
char *newfrom;
char *newto;
int err = subdir_addpath(d, from, &newfrom);
if (!err) {
err = subdir_addpath(d, to, &newto);
if (!err) {
err = fuse_fs_link(d->next, newfrom, newto);
free(newto);
}
free(newfrom);
}
return err;
}
static int subdir_chmod(const char *path, mode_t mode)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_chmod(d->next, newpath, mode);
free(newpath);
}
return err;
}
static int subdir_chown(const char *path, uid_t uid, gid_t gid)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_chown(d->next, newpath, uid, gid);
free(newpath);
}
return err;
}
static int subdir_truncate(const char *path, loff_t size)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_truncate(d->next, newpath, size);
free(newpath);
}
return err;
}
static int subdir_ftruncate(const char *path, loff_t size,
struct fuse_file_info *fi)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_ftruncate(d->next, newpath, size, fi);
free(newpath);
}
return err;
}
static int subdir_utimens(const char *path, const struct timespec ts[2])
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_utimens(d->next, newpath, ts);
free(newpath);
}
return err;
}
static int subdir_create(const char *path, mode_t mode,
struct fuse_file_info *fi)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_create(d->next, newpath, mode, fi);
free(newpath);
}
return err;
}
static int subdir_open(const char *path, struct fuse_file_info *fi)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_open(d->next, newpath, fi);
free(newpath);
}
return err;
}
static int subdir_read_buf(const char *path, struct fuse_bufvec **bufp,
size_t size, loff_t offset, struct fuse_file_info *fi)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_read_buf(d->next, newpath, bufp, size, offset, fi);
free(newpath);
}
return err;
}
static int subdir_write_buf(const char *path, struct fuse_bufvec *buf,
loff_t offset, struct fuse_file_info *fi)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_write_buf(d->next, newpath, buf, offset, fi);
free(newpath);
}
return err;
}
static int subdir_statfs(const char *path, struct statvfs *stbuf)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_statfs(d->next, newpath, stbuf);
free(newpath);
}
return err;
}
static int subdir_flush(const char *path, struct fuse_file_info *fi)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_flush(d->next, newpath, fi);
free(newpath);
}
return err;
}
static int subdir_release(const char *path, struct fuse_file_info *fi)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_release(d->next, newpath, fi);
free(newpath);
}
return err;
}
static int subdir_fsync(const char *path, int isdatasync,
struct fuse_file_info *fi)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_fsync(d->next, newpath, isdatasync, fi);
free(newpath);
}
return err;
}
static int subdir_fsyncdir(const char *path, int isdatasync,
struct fuse_file_info *fi)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_fsyncdir(d->next, newpath, isdatasync, fi);
free(newpath);
}
return err;
}
static int subdir_setxattr(const char *path, const char *name,
const char *value, size_t size, int flags)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_setxattr(d->next, newpath, name, value, size,
flags);
free(newpath);
}
return err;
}
static int subdir_getxattr(const char *path, const char *name, char *value,
size_t size)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_getxattr(d->next, newpath, name, value, size);
free(newpath);
}
return err;
}
static int subdir_listxattr(const char *path, char *list, size_t size)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_listxattr(d->next, newpath, list, size);
free(newpath);
}
return err;
}
static int subdir_removexattr(const char *path, const char *name)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_removexattr(d->next, newpath, name);
free(newpath);
}
return err;
}
static int subdir_lock(const char *path, struct fuse_file_info *fi, int cmd,
struct flock *lock)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_lock(d->next, newpath, fi, cmd, lock);
free(newpath);
}
return err;
}
static int subdir_flock(const char *path, struct fuse_file_info *fi, int op)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_flock(d->next, newpath, fi, op);
free(newpath);
}
return err;
}
static int subdir_bmap(const char *path, size_t blocksize, uint64_t *idx)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_bmap(d->next, newpath, blocksize, idx);
free(newpath);
}
return err;
}
static void *subdir_init(struct fuse_conn_info *conn)
{
struct subdir *d = subdir_get();
fuse_fs_init(d->next, conn);
return d;
}
static void subdir_destroy(void *data)
{
struct subdir *d = data;
fuse_fs_destroy(d->next);
free(d->base);
free(d);
}
static const struct fuse_operations subdir_oper = {
.destroy = subdir_destroy,
.init = subdir_init,
.getattr = subdir_getattr,
.fgetattr = subdir_fgetattr,
.access = subdir_access,
.readlink = subdir_readlink,
.opendir = subdir_opendir,
.readdir = subdir_readdir,
.releasedir = subdir_releasedir,
.mknod = subdir_mknod,
.mkdir = subdir_mkdir,
.symlink = subdir_symlink,
.unlink = subdir_unlink,
.rmdir = subdir_rmdir,
.rename = subdir_rename,
.link = subdir_link,
.chmod = subdir_chmod,
.chown = subdir_chown,
.truncate = subdir_truncate,
.ftruncate = subdir_ftruncate,
.utimens = subdir_utimens,
.create = subdir_create,
.open = subdir_open,
.read_buf = subdir_read_buf,
.write_buf = subdir_write_buf,
.statfs = subdir_statfs,
.flush = subdir_flush,
.release = subdir_release,
.fsync = subdir_fsync,
.fsyncdir = subdir_fsyncdir,
.setxattr = subdir_setxattr,
.getxattr = subdir_getxattr,
.listxattr = subdir_listxattr,
.removexattr = subdir_removexattr,
.lock = subdir_lock,
.flock = subdir_flock,
.bmap = subdir_bmap,
.flag_nullpath_ok = 1,
.flag_nopath = 1,
};
static const struct fuse_opt subdir_opts[] = {
FUSE_OPT_KEY("-h", 0),
FUSE_OPT_KEY("--help", 0),
{ "subdir=%s", offsetof(struct subdir, base), 0 },
{ "rellinks", offsetof(struct subdir, rellinks), 1 },
{ "norellinks", offsetof(struct subdir, rellinks), 0 },
FUSE_OPT_END
};
static void subdir_help(void)
{
fprintf(stderr,
" -o subdir=DIR prepend this directory to all paths (mandatory)\n"
" -o [no]rellinks transform absolute symlinks to relative\n");
}
static int subdir_opt_proc(void *data, const char *arg, int key,
struct fuse_args *outargs)
{
(void) data; (void) arg; (void) outargs;
if (!key) {
subdir_help();
return -1;
}
return 1;
}
static struct fuse_fs *subdir_new(struct fuse_args *args,
struct fuse_fs *next[])
{
struct fuse_fs *fs;
struct subdir *d;
d = calloc(1, sizeof(struct subdir));
if (d == NULL) {
fprintf(stderr, "fuse-subdir: memory allocation failed\n");
return NULL;
}
if (fuse_opt_parse(args, d, subdir_opts, subdir_opt_proc) == -1)
goto out_free;
if (!next[0] || next[1]) {
fprintf(stderr, "fuse-subdir: exactly one next filesystem required\n");
goto out_free;
}
if (!d->base) {
fprintf(stderr, "fuse-subdir: missing 'subdir' option\n");
goto out_free;
}
if (d->base[0] && d->base[strlen(d->base)-1] != '/') {
char *tmp = realloc(d->base, strlen(d->base) + 2);
if (!tmp) {
fprintf(stderr, "fuse-subdir: memory allocation failed\n");
goto out_free;
}
d->base = tmp;
strcat(d->base, "/");
}
d->baselen = strlen(d->base);
d->next = next[0];
fs = fuse_fs_new(&subdir_oper, sizeof(subdir_oper), d);
if (!fs)
goto out_free;
return fs;
out_free:
free(d->base);
free(d);
return NULL;
}
FUSE_REGISTER_MODULE(subdir, subdir_new);

20
fuse/mount.c
View File

@@ -36,13 +36,16 @@
#define MS_SYNCHRONOUS MNT_SYNCHRONOUS
#define MS_NOATIME MNT_NOATIME
#define umount2(mnt, flags) unmount(mnt, (flags == 2) ? MNT_FORCE : 0)
#endif
#define FUSERMOUNT_PROG "fusermount"
#define FUSE_COMMFD_ENV "_FUSE_COMMFD"
#if defined(__ANDROID__) && !defined(FUSERMOUNT_DIR)
# define FUSERMOUNT_DIR "/system/xbin"
#endif
#ifndef HAVE_FORK
#define fork() vfork()
#endif
@@ -138,7 +141,6 @@ static void mount_help(void)
"\n");
}
#define FUSERMOUNT_DIR "/usr/bin"
static void exec_fusermount(const char *argv[])
{
execv(FUSERMOUNT_DIR "/" FUSERMOUNT_PROG, (char **) argv);
@@ -302,14 +304,18 @@ void fuse_kern_unmount(const char *mountpoint, int fd)
pfd.fd = fd;
pfd.events = 0;
res = poll(&pfd, 1, 0);
/* Need to close file descriptor, otherwise synchronous umount
would recurse into filesystem, and deadlock.
Caller expects fuse_kern_unmount to close the fd, so close it
anyway. */
close(fd);
/* If file poll returns POLLERR on the device file descriptor,
then the filesystem is already unmounted */
if (res == 1 && (pfd.revents & POLLERR))
return;
/* Need to close file descriptor, otherwise synchronous umount
would recurse into filesystem, and deadlock */
close(fd);
}
if (geteuid() == 0) {
@@ -465,7 +471,7 @@ static int fuse_mount_sys(const char *mnt, struct mount_opts *mo,
return -1;
}
snprintf(tmp, sizeof(tmp), "fd=%i,rootmode=%o,user_id=%i,group_id=%i",
snprintf(tmp, sizeof(tmp), "fd=%i,rootmode=%o,user_id=%u,group_id=%u",
fd, stbuf.st_mode & S_IFMT, getuid(), getgid());
res = fuse_opt_add_opt(&mo->kernel_opts, tmp);

9
fuse/mount_bsd.c
View File

@@ -228,18 +228,21 @@ void fuse_kern_unmount(const char *mountpoint, int fd)
(void)mountpoint;
if (fstat(fd, &sbuf) == -1)
return;
goto out;
devname_r(sbuf.st_rdev, S_IFCHR, dev, 128);
if (strncmp(dev, "fuse", 4))
return;
goto out;
strtol(dev + 4, &ep, 10);
if (*ep != '\0')
return;
goto out;
do_unmount(dev, fd);
out:
close(fd);
}
/* Check if kernel is doing init in background */

34
fuse/mount_util.c
View File

@@ -16,16 +16,23 @@
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <mntent.h>
#include <paths.h>
#ifndef __NetBSD__
#include <mntent.h>
#endif
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/mount.h>
#include <sys/param.h>
#if defined(__ANDROID__)
#include <paths.h>
#endif
#ifdef __NetBSD__
#define umount2(mnt, flags) unmount(mnt, (flags == 2) ? MNT_FORCE : 0)
#define mtab_needs_update(mnt) 0
#elif defined(__ANDROID__)
#define mtab_needs_update(mnt) 0
#else
static int mtab_needs_update(const char *mnt)
{
@@ -94,10 +101,12 @@ static int add_mount(const char *progname, const char *fsname,
goto out_restore;
}
if (res == 0) {
char *env = NULL;
sigprocmask(SIG_SETMASK, &oldmask, NULL);
setuid(geteuid());
execl("/bin/mount", "/bin/mount", "--no-canonicalize", "-i",
"-f", "-t", type, "-o", opts, fsname, mnt, NULL);
execle("/bin/mount", "/bin/mount", "--no-canonicalize", "-i",
"-f", "-t", type, "-o", opts, fsname, mnt, NULL, &env);
fprintf(stderr, "%s: failed to execute /bin/mount: %s\n",
progname, strerror(errno));
exit(1);
@@ -145,10 +154,17 @@ static int exec_umount(const char *progname, const char *rel_mnt, int lazy)
goto out_restore;
}
if (res == 0) {
char *env = NULL;
sigprocmask(SIG_SETMASK, &oldmask, NULL);
setuid(geteuid());
execl("/bin/umount", "/bin/umount", "-i", rel_mnt,
lazy ? "-l" : NULL, NULL);
if (lazy) {
execle("/bin/umount", "/bin/umount", "-i", rel_mnt,
"-l", NULL, &env);
} else {
execle("/bin/umount", "/bin/umount", "-i", rel_mnt,
NULL, &env);
}
fprintf(stderr, "%s: failed to execute /bin/umount: %s\n",
progname, strerror(errno));
exit(1);
@@ -204,10 +220,12 @@ static int remove_mount(const char *progname, const char *mnt)
goto out_restore;
}
if (res == 0) {
char *env = NULL;
sigprocmask(SIG_SETMASK, &oldmask, NULL);
setuid(geteuid());
execl("/bin/umount", "/bin/umount", "--no-canonicalize", "-i",
"--fake", mnt, NULL);
execle("/bin/umount", "/bin/umount", "--no-canonicalize", "-i",
"--fake", mnt, NULL, &env);
fprintf(stderr, "%s: failed to execute /bin/umount: %s\n",
progname, strerror(errno));
exit(1);
@@ -300,7 +318,7 @@ char *fuse_mnt_resolve_path(const char *progname, const char *orig)
}
int fuse_mnt_check_empty(const char *progname, const char *mnt,
mode_t rootmode, off64_t rootsize)
mode_t rootmode, loff_t rootsize)
{
int isempty = 1;

2
fuse/mount_util.h
View File

@@ -15,5 +15,5 @@ int fuse_mnt_umount(const char *progname, const char *abs_mnt,
const char *rel_mnt, int lazy);
char *fuse_mnt_resolve_path(const char *progname, const char *orig);
int fuse_mnt_check_empty(const char *progname, const char *mnt,
mode_t rootmode, off64_t rootsize);
mode_t rootmode, loff_t rootsize);
int fuse_mnt_check_fuseblk(void);

4
fuse/ulockmgr.c
View File

@@ -356,10 +356,10 @@ static uint32_t owner_hash(const unsigned char *id, size_t id_len)
static int ulockmgr_canonicalize(int fd, struct flock *lock)
{
off64_t offset;
loff_t offset;
if (lock->l_whence == SEEK_CUR) {
offset = lseek(fd, 0, SEEK_CUR);
if (offset == (off64_t) -1)
if (offset == (loff_t) -1)
return -errno;
} else if (lock->l_whence == SEEK_END) {
struct stat stbuf;