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dll: fuseintf: CanDelete implementation

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This commit is contained in:
Bill Zissimopoulos 2016-06-10 18:42:18 -07:00
parent 55336e3dcf
commit a4f687c635
2 changed files with 55 additions and 13 deletions
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56
src/dll/fuse/fuseintf.c
View File

@ -743,11 +743,52 @@ static NTSTATUS fsp_fuse_intf_SetFileSize(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
static int fsp_fuse_intf_CanDeleteAddDirInfo(void *buf, const char *name,
const struct fuse_stat *stbuf, fuse_off_t off)
{
struct fuse_dirhandle *dh = buf;
if ('.' == name[0] && '\0' == name[1])
return 0;
else
if ('.' == name[0] && '.' == name[1] && '\0' == name[2])
return 0;
else
{
dh->HasChild = TRUE;
return 1;
}
}
static int fsp_fuse_intf_CanDeleteAddDirInfoOld(fuse_dirh_t dh, const char *name,
int type, fuse_ino_t ino)
{
return fsp_fuse_intf_CanDeleteAddDirInfo(dh, name, 0, 0) ? -ENOMEM : 0;
}
static NTSTATUS fsp_fuse_intf_CanDelete(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_CanDelete(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PWSTR FileName) PVOID FileNode, PWSTR FileName)
{ {
return STATUS_INVALID_DEVICE_REQUEST; struct fuse *f = FileSystem->UserContext;
struct fsp_fuse_file_desc *filedesc =
(PVOID)(UINT_PTR)Request->Req.SetInformation.UserContext2;
struct fuse_file_info fi;
struct fuse_dirhandle dh;
if (filedesc->IsDirectory)
{
memset(&dh, 0, sizeof dh);
if (0 != f->ops.readdir)
f->ops.readdir(filedesc->PosixPath, &dh, fsp_fuse_intf_CanDeleteAddDirInfo, 0, &fi);
else if (0 != f->ops.getdir)
f->ops.getdir(filedesc->PosixPath, &dh, fsp_fuse_intf_CanDeleteAddDirInfoOld);
return dh.HasChild ? STATUS_DIRECTORY_NOT_EMPTY : STATUS_SUCCESS;
}
return STATUS_SUCCESS;
} }
static NTSTATUS fsp_fuse_intf_Rename(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_Rename(FSP_FILE_SYSTEM *FileSystem,
@ -853,17 +894,6 @@ exit:
return Result; return Result;
} }
struct fuse_dirhandle
{
FSP_FILE_SYSTEM *FileSystem;
char *PosixPath, *PosixName;
PVOID OriginalBuffer;
ULONG OriginalLength;
PVOID Buffer;
ULONG Length;
ULONG BytesTransferred;
};
int fsp_fuse_intf_AddDirInfo(void *buf, const char *name, int fsp_fuse_intf_AddDirInfo(void *buf, const char *name,
const struct fuse_stat *stbuf, fuse_off_t off) const struct fuse_stat *stbuf, fuse_off_t off)
{ {
@ -1033,7 +1063,7 @@ static NTSTATUS fsp_fuse_intf_ReadDirectory(FSP_FILE_SYSTEM *FileSystem,
fi.flags = filedesc->OpenFlags; fi.flags = filedesc->OpenFlags;
fi.fh = filedesc->FileHandle; fi.fh = filedesc->FileHandle;
err = f->ops.readdir(filedesc->PosixPath, &dh, fsp_fuse_intf_AddDirInfo, 0, &fi); err = f->ops.readdir(filedesc->PosixPath, &dh, fsp_fuse_intf_AddDirInfo, Offset, &fi);
Result = fsp_fuse_ntstatus_from_errno(f->env, err); Result = fsp_fuse_ntstatus_from_errno(f->env, err);
} }
else if (0 != f->ops.getdir) else if (0 != f->ops.getdir)

12
src/dll/fuse/library.h
View File

@ -55,6 +55,18 @@ struct fsp_fuse_file_desc
ULONG DirBufferSize; ULONG DirBufferSize;
}; };
struct fuse_dirhandle
{
FSP_FILE_SYSTEM *FileSystem;
char *PosixPath, *PosixName;
PVOID OriginalBuffer;
ULONG OriginalLength;
PVOID Buffer;
ULONG Length;
ULONG BytesTransferred;
BOOLEAN HasChild;
};
static inline static inline
struct fsp_fuse_context_header *fsp_fuse_context_header(VOID) struct fsp_fuse_context_header *fsp_fuse_context_header(VOID)
{ {