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dll: fuse: ioctl

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This commit is contained in:
Bill Zissimopoulos
2018-05-07 14:05:18 -07:00
parent 637a1dac7e
commit fbcefe6339
3 changed files with 54 additions and 1 deletions
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42
src/dll/fuse/fuse_intf.c
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@ -2125,6 +2125,47 @@ static NTSTATUS fsp_fuse_intf_DeleteReparsePoint(FSP_FILE_SYSTEM *FileSystem,
return STATUS_ACCESS_DENIED;
}
static NTSTATUS fsp_fuse_intf_Control(FSP_FILE_SYSTEM *FileSystem,
PVOID FileNode, UINT32 ControlCode,
PVOID InputBuffer, ULONG InputBufferLength,
PVOID OutputBuffer, ULONG OutputBufferLength, PULONG PBytesTransferred)
{
struct fuse *f = FileSystem->UserContext;
struct fsp_fuse_file_desc *filedesc = FileNode;
struct fuse_file_info fi;
int cmd;
int err;
if (0 == f->ops.ioctl)
return STATUS_INVALID_DEVICE_REQUEST;
if (FSP_FUSE_DEVICE_TYPE != DEVICE_TYPE_FROM_CTL_CODE(ControlCode))
return STATUS_INVALID_DEVICE_REQUEST;
if (0 != InputBufferLength && 0 != OutputBufferLength &&
InputBufferLength != OutputBufferLength)
return STATUS_INVALID_DEVICE_REQUEST;
memset(&fi, 0, sizeof fi);
fi.flags = filedesc->OpenFlags;
fi.fh = filedesc->FileHandle;
/* construct a Linux compatible ioctl code */
cmd = FSP_FUSE_IOCTL((ControlCode >> 2) & 0xfff, InputBufferLength, OutputBufferLength);
if (0 == OutputBufferLength)
err = f->ops.ioctl(filedesc->PosixPath, cmd, 0, &fi, 0, InputBuffer);
else
{
if (0 != InputBufferLength)
// OutputBuffer points to Response->Buffer which is FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX long
memcpy(OutputBuffer, InputBuffer, InputBufferLength);
err = f->ops.ioctl(filedesc->PosixPath, cmd, 0, &fi, 0, OutputBuffer);
}
return fsp_fuse_ntstatus_from_errno(f->env, err);
}
FSP_FILE_SYSTEM_INTERFACE fsp_fuse_intf =
{
fsp_fuse_intf_GetVolumeInfo,
@ -2152,6 +2193,7 @@ FSP_FILE_SYSTEM_INTERFACE fsp_fuse_intf =
fsp_fuse_intf_DeleteReparsePoint,
0,
fsp_fuse_intf_GetDirInfoByName,
fsp_fuse_intf_Control,
};
/*