encfs/encfs/encfs.h
2017-08-05 23:23:09 -07:00

113 lines
3.8 KiB
C++

/*****************************************************************************
* Author: Valient Gough <vgough@pobox.com>
*
*****************************************************************************
* Copyright (c) 2003, Valient Gough
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _encfs_incl_
#define _encfs_incl_
#include "easylogging++.h"
#include <fuse.h>
#include <sys/types.h>
#include <unistd.h>
#include "config.h"
namespace encfs {
#if defined(HAVE_SYS_XATTR_H) | defined(HAVE_ATTR_XATTR_H)
#define HAVE_XATTR
#endif
#ifndef linux
#include <cerrno>
static __inline int setfsuid(uid_t uid) {
uid_t olduid = geteuid();
if (seteuid(uid) != 0) {
VLOG(1) << "seteuid error: " << errno;
}
return olduid;
}
static __inline int setfsgid(gid_t gid) {
gid_t oldgid = getegid();
if (setegid(gid) != 0) {
VLOG(1) << "setfsgid error: " << errno;
}
return oldgid;
}
#endif
int encfs_getattr(const char *path, struct stat *stbuf);
int encfs_fgetattr(const char *path, struct stat *stbuf,
struct fuse_file_info *fi);
int encfs_readlink(const char *path, char *buf, size_t size);
int encfs_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *finfo);
int encfs_mknod(const char *path, mode_t mode, dev_t rdev);
int encfs_mkdir(const char *path, mode_t mode);
int encfs_unlink(const char *path);
int encfs_rmdir(const char *path);
int encfs_symlink(const char *from, const char *to);
int encfs_rename(const char *from, const char *to);
int encfs_link(const char *from, const char *to);
int encfs_chmod(const char *path, mode_t mode);
int encfs_chown(const char *path, uid_t uid, gid_t gid);
int encfs_truncate(const char *path, off_t size);
int encfs_ftruncate(const char *path, off_t size, struct fuse_file_info *fi);
int encfs_utime(const char *path, struct utimbuf *buf);
int encfs_open(const char *path, struct fuse_file_info *info);
int encfs_create(const char *path, mode_t mode, struct fuse_file_info *info);
int encfs_release(const char *path, struct fuse_file_info *info);
int encfs_read(const char *path, char *buf, size_t size, off_t offset,
struct fuse_file_info *info);
int encfs_write(const char *path, const char *buf, size_t size, off_t offset,
struct fuse_file_info *info);
int encfs_statfs(const char *, struct statvfs *fst);
int encfs_flush(const char *, struct fuse_file_info *info);
int encfs_fsync(const char *path, int flags, struct fuse_file_info *info);
#ifdef HAVE_XATTR
#ifdef XATTR_ADD_OPT
int encfs_setxattr(const char *path, const char *name, const char *value,
size_t size, int flags, uint32_t position);
int encfs_getxattr(const char *path, const char *name, char *value, size_t size,
uint32_t position);
#else
int encfs_setxattr(const char *path, const char *name, const char *value,
size_t size, int flags);
int encfs_getxattr(const char *path, const char *name, char *value,
size_t size);
#endif
int encfs_listxattr(const char *path, char *list, size_t size);
int encfs_removexattr(const char *path, const char *name);
#endif
int encfs_utimens(const char *path, const struct timespec ts[2]);
} // namespace encfs
#endif