/**
* @brief Gets attributes for an entry in the FSAL.
*
* Impelments the NFS4_OP_GETATTR operation, which gets attributes for
* an entry in the FSAL.
*
* @param[in] op Arguments for nfs4_op
* @param[in,out] data Compound request's data
* @param[out] resp Results for nfs4_op
*
* @return per RFC5661, p. 365
*
*/
int nfs4_op_getattr(struct nfs_argop4 *op, compound_data_t *data,
struct nfs_resop4 *resp)
{
GETATTR4args * const arg_GETATTR4 = &op->nfs_argop4_u.opgetattr;
GETATTR4res * const res_GETATTR4 = &resp->nfs_resop4_u.opgetattr;
/* This is a NFS4_OP_GETTAR */
resp->resop = NFS4_OP_GETATTR;
res_GETATTR4->status = NFS4_OK;
/* Do basic checks on a filehandle */
res_GETATTR4->status = nfs4_sanity_check_FH(data, NO_FILE_TYPE, false);
if (res_GETATTR4->status != NFS4_OK)
return res_GETATTR4->status;
/* Sanity check: if no attributes are wanted, nothing is to be
* done. In this case NFS4_OK is to be returned */
if (arg_GETATTR4->attr_request.bitmap4_len == 0) {
res_GETATTR4->status = NFS4_OK;
return res_GETATTR4->status;
}
/* Get only attributes that are allowed to be read */
if (!nfs4_Fattr_Check_Access_Bitmap(&arg_GETATTR4->attr_request,
FATTR4_ATTR_READ)) {
res_GETATTR4->status = NFS4ERR_INVAL;
return res_GETATTR4->status;
}
nfs4_bitmap4_Remove_Unsupported(&arg_GETATTR4->attr_request);
res_GETATTR4->status =
cache_entry_To_Fattr(data->current_entry,
&res_GETATTR4->GETATTR4res_u.resok4.
obj_attributes,
data,
&data->currentFH,
&arg_GETATTR4->attr_request);
return res_GETATTR4->status;
} /* nfs4_op_getattr */
/**
*
* nfs4_op_getattr: Gets attributes for an entry in the FSAL.
*
* Gets attributes for an entry in the FSAL.
*
* @param op [IN] pointer to nfs4_op arguments
* @param data [INOUT] Pointer to the compound request's data
* @param resp [IN] Pointer to nfs4_op results
*
* @return NFS4_OK
*
*/
int nfs4_op_getattr(struct nfs_argop4 *op,
compound_data_t * data, struct nfs_resop4 *resp)
{
fsal_attrib_list_t attr;
cache_inode_status_t cache_status;
char __attribute__ ((__unused__)) funcname[] = "nfs4_op_getattr";
/* This is a NFS4_OP_GETTAR */
resp->resop = NFS4_OP_GETATTR;
/* If there is no FH */
if(nfs4_Is_Fh_Empty(&(data->currentFH)))
{
res_GETATTR4.status = NFS4ERR_NOFILEHANDLE;
return NFS4ERR_NOFILEHANDLE;
}
/* If the filehandle is invalid */
if(nfs4_Is_Fh_Invalid(&(data->currentFH)))
{
res_GETATTR4.status = NFS4ERR_BADHANDLE;
return NFS4ERR_BADHANDLE;
}
/* Tests if teh Filehandle is expired (for volatile filehandle) */
if(nfs4_Is_Fh_Expired(&(data->currentFH)))
{
res_GETATTR4.status = NFS4ERR_FHEXPIRED;
return NFS4ERR_FHEXPIRED;
}
/* Pseudo Fs management */
if(nfs4_Is_Fh_Pseudo(&(data->currentFH)))
return nfs4_op_getattr_pseudo(op, data, resp);
/* If Filehandle points to a xattr object, manage it via the xattrs specific functions */
if(nfs4_Is_Fh_Xattr(&(data->currentFH)))
return nfs4_op_getattr_xattr(op, data, resp);
if(isFullDebug(COMPONENT_NFS_V4))
{
char str[LEN_FH_STR];
sprint_fhandle4(str, &data->currentFH);
LogFullDebug(COMPONENT_NFS_V4, "NFS4_OP_GETATTR: Current FH %s", str);
}
/* Sanity check: if no attributes are wanted, nothing is to be done.
* In this case NFS4_OK is to be returned */
if(arg_GETATTR4.attr_request.bitmap4_len == 0)
{
res_GETATTR4.status = NFS4_OK;
return res_GETATTR4.status;
}
/* Get only attributes that are allowed to be read */
if(!nfs4_Fattr_Check_Access_Bitmap(&arg_GETATTR4.attr_request, FATTR4_ATTR_READ))
{
res_GETATTR4.status = NFS4ERR_INVAL;
return res_GETATTR4.status;
}
if( !nfs4_bitmap4_Remove_Unsupported( &arg_GETATTR4.attr_request ) )
{
res_GETATTR4.status = NFS4ERR_SERVERFAULT ;
return res_GETATTR4.status;
}
/*
* Get attributes.
*/
if(cache_inode_getattr(data->current_entry,
&attr,
data->ht,
data->pclient,
data->pcontext, &cache_status) == CACHE_INODE_SUCCESS)
{
if(nfs4_FSALattr_To_Fattr(data->pexport,
&attr,
&(res_GETATTR4.GETATTR4res_u.resok4.obj_attributes),
data,
&(data->currentFH), &(arg_GETATTR4.attr_request)) != 0)
res_GETATTR4.status = NFS4ERR_SERVERFAULT;
else
res_GETATTR4.status = NFS4_OK;
return res_GETATTR4.status;
}
res_GETATTR4.status = nfs4_Errno(cache_status);
return res_GETATTR4.status;
} /* nfs4_op_getattr */
