1/*
2 *  ncp_fs.h
3 *
4 *  Copyright (C) 1995, 1996 by Volker Lendecke
5 *
6 */
7
8#ifndef _LINUX_NCP_FS_H
9#define _LINUX_NCP_FS_H
10
11#include <linux/fs.h>
12#include <linux/in.h>
13#include <linux/types.h>
14#include <linux/magic.h>
15
16#include <linux/ipx.h>
17#include <linux/ncp_no.h>
18
19/*
20 * ioctl commands
21 */
22
23struct ncp_ioctl_request {
24	unsigned int function;
25	unsigned int size;
26	char __user *data;
27};
28
29struct ncp_fs_info {
30	int version;
31	struct sockaddr_ipx addr;
32	__kernel_uid_t mounted_uid;
33	int connection;		/* Connection number the server assigned us */
34	int buffer_size;	/* The negotiated buffer size, to be
35				   used for read/write requests! */
36
37	int volume_number;
38	__le32 directory_id;
39};
40
41struct ncp_fs_info_v2 {
42	int version;
43	unsigned long mounted_uid;
44	unsigned int connection;
45	unsigned int buffer_size;
46
47	unsigned int volume_number;
48	__le32 directory_id;
49
50	__u32 dummy1;
51	__u32 dummy2;
52	__u32 dummy3;
53};
54
55struct ncp_sign_init
56{
57	char sign_root[8];
58	char sign_last[16];
59};
60
61struct ncp_lock_ioctl
62{
63#define NCP_LOCK_LOG	0
64#define NCP_LOCK_SH	1
65#define NCP_LOCK_EX	2
66#define NCP_LOCK_CLEAR	256
67	int		cmd;
68	int		origin;
69	unsigned int	offset;
70	unsigned int	length;
71#define NCP_LOCK_DEFAULT_TIMEOUT	18
72#define NCP_LOCK_MAX_TIMEOUT		180
73	int		timeout;
74};
75
76struct ncp_setroot_ioctl
77{
78	int		volNumber;
79	int		namespace;
80	__le32		dirEntNum;
81};
82
83struct ncp_objectname_ioctl
84{
85#define NCP_AUTH_NONE	0x00
86#define NCP_AUTH_BIND	0x31
87#define NCP_AUTH_NDS	0x32
88	int		auth_type;
89	size_t		object_name_len;
90	void __user *	object_name;	/* an userspace data, in most cases user name */
91};
92
93struct ncp_privatedata_ioctl
94{
95	size_t		len;
96	void __user *	data;		/* ~1000 for NDS */
97};
98
99/* NLS charsets by ioctl */
100#define NCP_IOCSNAME_LEN 20
101struct ncp_nls_ioctl
102{
103	unsigned char codepage[NCP_IOCSNAME_LEN+1];
104	unsigned char iocharset[NCP_IOCSNAME_LEN+1];
105};
106
107#define	NCP_IOC_NCPREQUEST		_IOR('n', 1, struct ncp_ioctl_request)
108#define	NCP_IOC_GETMOUNTUID		_IOW('n', 2, __kernel_old_uid_t)
109#define NCP_IOC_GETMOUNTUID2		_IOW('n', 2, unsigned long)
110
111#define NCP_IOC_CONN_LOGGED_IN          _IO('n', 3)
112
113#define NCP_GET_FS_INFO_VERSION    (1)
114#define NCP_IOC_GET_FS_INFO             _IOWR('n', 4, struct ncp_fs_info)
115#define NCP_GET_FS_INFO_VERSION_V2 (2)
116#define NCP_IOC_GET_FS_INFO_V2		_IOWR('n', 4, struct ncp_fs_info_v2)
117
118#define NCP_IOC_SIGN_INIT		_IOR('n', 5, struct ncp_sign_init)
119#define NCP_IOC_SIGN_WANTED		_IOR('n', 6, int)
120#define NCP_IOC_SET_SIGN_WANTED		_IOW('n', 6, int)
121
122#define NCP_IOC_LOCKUNLOCK		_IOR('n', 7, struct ncp_lock_ioctl)
123
124#define NCP_IOC_GETROOT			_IOW('n', 8, struct ncp_setroot_ioctl)
125#define NCP_IOC_SETROOT			_IOR('n', 8, struct ncp_setroot_ioctl)
126
127#define NCP_IOC_GETOBJECTNAME		_IOWR('n', 9, struct ncp_objectname_ioctl)
128#define NCP_IOC_SETOBJECTNAME		_IOR('n', 9, struct ncp_objectname_ioctl)
129#define NCP_IOC_GETPRIVATEDATA		_IOWR('n', 10, struct ncp_privatedata_ioctl)
130#define NCP_IOC_SETPRIVATEDATA		_IOR('n', 10, struct ncp_privatedata_ioctl)
131
132#define NCP_IOC_GETCHARSETS		_IOWR('n', 11, struct ncp_nls_ioctl)
133#define NCP_IOC_SETCHARSETS		_IOR('n', 11, struct ncp_nls_ioctl)
134
135#define NCP_IOC_GETDENTRYTTL		_IOW('n', 12, __u32)
136#define NCP_IOC_SETDENTRYTTL		_IOR('n', 12, __u32)
137
138/*
139 * The packet size to allocate. One page should be enough.
140 */
141#define NCP_PACKET_SIZE 4070
142
143#define NCP_MAXPATHLEN 255
144#define NCP_MAXNAMELEN 14
145
146#ifdef __KERNEL__
147
148#include <linux/ncp_fs_i.h>
149#include <linux/ncp_fs_sb.h>
150
151/* undef because public define in umsdos_fs.h (ncp_fs.h isn't public) */
152#undef PRINTK
153/* define because it is easy to change PRINTK to {*}PRINTK */
154#define PRINTK(format, args...) printk(KERN_DEBUG format , ## args)
155
156#undef NCPFS_PARANOIA
157#ifdef NCPFS_PARANOIA
158#define PPRINTK(format, args...) PRINTK(format , ## args)
159#else
160#define PPRINTK(format, args...)
161#endif
162
163#ifndef DEBUG_NCP
164#define DEBUG_NCP 0
165#endif
166#if DEBUG_NCP > 0
167#define DPRINTK(format, args...) PRINTK(format , ## args)
168#else
169#define DPRINTK(format, args...)
170#endif
171#if DEBUG_NCP > 1
172#define DDPRINTK(format, args...) PRINTK(format , ## args)
173#else
174#define DDPRINTK(format, args...)
175#endif
176
177#define NCP_MAX_RPC_TIMEOUT (6*HZ)
178
179
180struct ncp_entry_info {
181	struct nw_info_struct	i;
182	ino_t			ino;
183	int			opened;
184	int			access;
185	unsigned int		volume;
186	__u8			file_handle[6];
187};
188
189static inline struct ncp_server *NCP_SBP(struct super_block *sb)
190{
191	return sb->s_fs_info;
192}
193
194#define NCP_SERVER(inode)	NCP_SBP((inode)->i_sb)
195static inline struct ncp_inode_info *NCP_FINFO(struct inode *inode)
196{
197	return container_of(inode, struct ncp_inode_info, vfs_inode);
198}
199
200/* linux/fs/ncpfs/inode.c */
201int ncp_notify_change(struct dentry *, struct iattr *);
202struct inode *ncp_iget(struct super_block *, struct ncp_entry_info *);
203void ncp_update_inode(struct inode *, struct ncp_entry_info *);
204void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
205
206/* linux/fs/ncpfs/dir.c */
207extern const struct inode_operations ncp_dir_inode_operations;
208extern const struct file_operations ncp_dir_operations;
209int ncp_conn_logged_in(struct super_block *);
210int ncp_date_dos2unix(__le16 time, __le16 date);
211void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
212
213/* linux/fs/ncpfs/ioctl.c */
214int ncp_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
215long ncp_compat_ioctl(struct file *, unsigned int, unsigned long);
216
217/* linux/fs/ncpfs/sock.c */
218int ncp_request2(struct ncp_server *server, int function,
219	void* reply, int max_reply_size);
220static inline int ncp_request(struct ncp_server *server, int function) {
221	return ncp_request2(server, function, server->packet, server->packet_size);
222}
223int ncp_connect(struct ncp_server *server);
224int ncp_disconnect(struct ncp_server *server);
225void ncp_lock_server(struct ncp_server *server);
226void ncp_unlock_server(struct ncp_server *server);
227
228/* linux/fs/ncpfs/file.c */
229extern const struct inode_operations ncp_file_inode_operations;
230extern const struct file_operations ncp_file_operations;
231int ncp_make_open(struct inode *, int);
232
233/* linux/fs/ncpfs/mmap.c */
234int ncp_mmap(struct file *, struct vm_area_struct *);
235
236/* linux/fs/ncpfs/ncplib_kernel.c */
237int ncp_make_closed(struct inode *);
238
239#define ncp_namespace(i)	(NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])
240
241static inline int ncp_preserve_entry_case(struct inode *i, __u32 nscreator)
242{
243#ifdef CONFIG_NCPFS_SMALLDOS
244	int ns = ncp_namespace(i);
245
246	if ((ns == NW_NS_DOS)
247#ifdef CONFIG_NCPFS_OS2_NS
248		|| ((ns == NW_NS_OS2) && (nscreator == NW_NS_DOS))
249#endif /* CONFIG_NCPFS_OS2_NS */
250				)
251		return 0;
252#endif /* CONFIG_NCPFS_SMALLDOS */
253	return 1;
254}
255
256#define ncp_preserve_case(i)	(ncp_namespace(i) != NW_NS_DOS)
257
258static inline int ncp_case_sensitive(struct inode *i)
259{
260#ifdef CONFIG_NCPFS_NFS_NS
261	return ncp_namespace(i) == NW_NS_NFS;
262#else
263	return 0;
264#endif	/* CONFIG_NCPFS_NFS_NS */
265}
266
267#endif				/* __KERNEL__ */
268
269#endif				/* _LINUX_NCP_FS_H */
270