/* * 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/time.h> #include <linux/mm.h> #include <linux/highuid.h> #include <linux/net.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) { uid16_t uid16; uid_t uid32; case SMB_IOC_GETMOUNTUID: SET_UID(uid16, server->mnt->mounted_uid); result = put_user(uid16, (uid16_t __user *) arg); break; case SMB_IOC_GETMOUNTUID32: SET_UID(uid32, server->mnt->mounted_uid); result = put_user(uid32, (uid_t __user *) arg); break; case SMB_IOC_NEWCONN: /* arg is smb_conn_opt, or NULL if no connection was made */ if (!arg) { result = 0; smb_lock_server(server); server->state = CONN_RETRIED; printk(KERN_ERR "Connection attempt failed! [%d]\n", server->conn_error); smbiod_flush(server); smb_unlock_server(server); break; } result = -EFAULT; if (!copy_from_user(&opt, (void __user *)arg, sizeof(opt))) result = smb_newconn(server, &opt); break; default: break; } return result; }