Subversion Repositories or1k

/*

 *  ioctl.c

 *

 *  Copyright (C) 1995, 1996 by Volker Lendecke

 *  Copyright (C) 1997 by Volker Lendecke

 *

 *  Please add a note about your changes to smbfs in the ChangeLog file.

 */

#include <linux/errno.h>

#include <linux/fs.h>

#include <linux/ioctl.h>

#include <linux/sched.h>

#include <linux/mm.h>

#include <linux/highuid.h>

#include <linux/smb_fs.h>

#include <linux/smb_mount.h>

#include <asm/uaccess.h>

#include "proto.h"

int

smb_ioctl(struct inode *inode, struct file *filp,

          unsigned int cmd, unsigned long arg)

{

        struct smb_sb_info *server = server_from_inode(inode);

        struct smb_conn_opt opt;

        int result = -EINVAL;

        switch (cmd) {

        case SMB_IOC_GETMOUNTUID:

                result = put_user(NEW_TO_OLD_UID(server->mnt->mounted_uid),

                                  (uid16_t *) arg);

                break;

        case SMB_IOC_GETMOUNTUID32:

                result = put_user(server->mnt->mounted_uid, (uid_t *) arg);

                break;

        case SMB_IOC_NEWCONN:

                /* arg is smb_conn_opt, or NULL if no connection was made */

                if (!arg) {

                        result = smb_wakeup(server);

                        break;

                }

                result = -EFAULT;

                if (!copy_from_user(&opt, (void *)arg, sizeof(opt)))

                        result = smb_newconn(server, &opt);

                break;

        default:

                break;

        }

        return result;

}