120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
/*
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* Copyright (C) 2013 Marin Hannache <ipxe@mareo.fr>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <errno.h>
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#include <libgen.h>
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#include <byteswap.h>
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#include <ipxe/time.h>
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#include <ipxe/iobuf.h>
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#include <ipxe/open.h>
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#include <ipxe/features.h>
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#include <ipxe/oncrpc.h>
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#include <ipxe/oncrpc_iob.h>
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#include <ipxe/nfs.h>
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#include <ipxe/mount.h>
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/** @file
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*
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* NFS MOUNT protocol
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*
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*/
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/** MNT procedure number */
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#define MOUNT_MNT 1
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/** UMNT procedure number */
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#define MOUNT_UMNT 3
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/**
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* Send a MNT request
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*
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* @v intf Interface to send the request on
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* @v session ONC RPC session
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* @v mountpoinrt The path of the directory to mount.
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* @ret rc Return status code
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*/
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int mount_mnt ( struct interface *intf, struct oncrpc_session *session,
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const char *mountpoint ) {
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struct oncrpc_field fields[] = {
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ONCRPC_FIELD ( str, mountpoint ),
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ONCRPC_FIELD_END,
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};
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return oncrpc_call ( intf, session, MOUNT_MNT, fields );
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}
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/**
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* Send a UMNT request
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*
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* @v intf Interface to send the request on
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* @v session ONC RPC session
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* @v mountpoinrt The path of the directory to unmount.
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* @ret rc Return status code
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*/
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int mount_umnt ( struct interface *intf, struct oncrpc_session *session,
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const char *mountpoint ) {
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struct oncrpc_field fields[] = {
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ONCRPC_FIELD ( str, mountpoint ),
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ONCRPC_FIELD_END,
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};
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return oncrpc_call ( intf, session, MOUNT_UMNT, fields );
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}
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/**
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* Parse an MNT reply
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*
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* @v mnt_reply A structure where the data will be saved
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* @v reply The ONC RPC reply to get data from
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* @ret rc Return status code
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*/
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int mount_get_mnt_reply ( struct mount_mnt_reply *mnt_reply,
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struct oncrpc_reply *reply ) {
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if ( ! mnt_reply || ! reply )
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return -EINVAL;
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mnt_reply->status = oncrpc_iob_get_int ( reply->data );
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switch ( mnt_reply->status )
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{
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case MNT3_OK:
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break;
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case MNT3ERR_NOENT:
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return -ENOENT;
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case MNT3ERR_IO:
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return -EIO;
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case MNT3ERR_ACCES:
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return -EACCES;
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case MNT3ERR_NOTDIR:
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return -ENOTDIR;
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case MNT3ERR_NAMETOOLONG:
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return -ENAMETOOLONG;
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default:
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return -EPROTO;
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}
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nfs_iob_get_fh ( reply->data, &mnt_reply->fh );
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return 0;
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}
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