Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * ioctl.c | |
3 | * | |
4 | * Copyright (C) 1995, 1996 by Volker Lendecke | |
5 | * Copyright (C) 1997 by Volker Lendecke | |
6 | * | |
7 | * Please add a note about your changes to smbfs in the ChangeLog file. | |
8 | */ | |
9 | ||
10 | #include <linux/errno.h> | |
11 | #include <linux/fs.h> | |
12 | #include <linux/ioctl.h> | |
13 | #include <linux/time.h> | |
14 | #include <linux/mm.h> | |
15 | #include <linux/highuid.h> | |
16 | #include <linux/net.h> | |
17 | ||
18 | #include <linux/smb_fs.h> | |
19 | #include <linux/smb_mount.h> | |
20 | ||
21 | #include <asm/uaccess.h> | |
22 | ||
23 | #include "proto.h" | |
24 | ||
25 | int | |
26 | smb_ioctl(struct inode *inode, struct file *filp, | |
27 | unsigned int cmd, unsigned long arg) | |
28 | { | |
29 | struct smb_sb_info *server = server_from_inode(inode); | |
30 | struct smb_conn_opt opt; | |
31 | int result = -EINVAL; | |
32 | ||
33 | switch (cmd) { | |
34 | uid16_t uid16; | |
35 | uid_t uid32; | |
36 | case SMB_IOC_GETMOUNTUID: | |
37 | SET_UID(uid16, server->mnt->mounted_uid); | |
38 | result = put_user(uid16, (uid16_t __user *) arg); | |
39 | break; | |
40 | case SMB_IOC_GETMOUNTUID32: | |
41 | SET_UID(uid32, server->mnt->mounted_uid); | |
42 | result = put_user(uid32, (uid_t __user *) arg); | |
43 | break; | |
44 | ||
45 | case SMB_IOC_NEWCONN: | |
46 | /* arg is smb_conn_opt, or NULL if no connection was made */ | |
47 | if (!arg) { | |
48 | result = 0; | |
49 | smb_lock_server(server); | |
50 | server->state = CONN_RETRIED; | |
51 | printk(KERN_ERR "Connection attempt failed! [%d]\n", | |
52 | server->conn_error); | |
53 | smbiod_flush(server); | |
54 | smb_unlock_server(server); | |
55 | break; | |
56 | } | |
57 | ||
58 | result = -EFAULT; | |
59 | if (!copy_from_user(&opt, (void __user *)arg, sizeof(opt))) | |
60 | result = smb_newconn(server, &opt); | |
61 | break; | |
62 | default: | |
63 | break; | |
64 | } | |
65 | ||
66 | return result; | |
67 | } |