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
15#include <linux/ipx.h>
16#include <linux/ncp_no.h>
17
18/*
19 * ioctl commands
20 */
21
22struct ncp_ioctl_request {
23	unsigned int function;
24	unsigned int size;
25	char *data;
26};
27
28struct ncp_fs_info {
29	int version;
30	struct sockaddr_ipx addr;
31	__kernel_uid_t mounted_uid;
32	int connection;		/* Connection number the server assigned us */
33	int buffer_size;	/* The negotiated buffer size, to be
34				   used for read/write requests! */
35
36	int volume_number;
37	__u32 directory_id;
38};
39
40struct ncp_fs_info_v2 {
41	int version;
42	unsigned long mounted_uid;
43	unsigned int connection;
44	unsigned int buffer_size;
45
46	unsigned int volume_number;
47	__u32 directory_id;
48
49	__u32 dummy1;
50	__u32 dummy2;
51	__u32 dummy3;
52};
53
54struct ncp_sign_init
55{
56	char sign_root[8];
57	char sign_last[16];
58};
59
60struct ncp_lock_ioctl
61{
62#define NCP_LOCK_LOG	0
63#define NCP_LOCK_SH	1
64#define NCP_LOCK_EX	2
65#define NCP_LOCK_CLEAR	256
66	int		cmd;
67	int		origin;
68	unsigned int	offset;
69	unsigned int	length;
70#define NCP_LOCK_DEFAULT_TIMEOUT	18
71#define NCP_LOCK_MAX_TIMEOUT		180
72	int		timeout;
73};
74
75struct ncp_setroot_ioctl
76{
77	int		volNumber;
78	int		namespace;
79	__u32		dirEntNum;
80};
81
82struct ncp_objectname_ioctl
83{
84#define NCP_AUTH_NONE	0x00
85#define NCP_AUTH_BIND	0x31
86#define NCP_AUTH_NDS	0x32
87	int		auth_type;
88	size_t		object_name_len;
89	void*		object_name;	/* an userspace data, in most cases user name */
90};
91
92struct ncp_privatedata_ioctl
93{
94	size_t		len;
95	void*		data;		/* ~1000 for NDS */
96};
97
98/* NLS charsets by ioctl */
99#define NCP_IOCSNAME_LEN 20
100struct ncp_nls_ioctl
101{
102	unsigned char codepage[NCP_IOCSNAME_LEN+1];
103	unsigned char iocharset[NCP_IOCSNAME_LEN+1];
104};
105
106#define	NCP_IOC_NCPREQUEST		_IOR('n', 1, struct ncp_ioctl_request)
107#define	NCP_IOC_GETMOUNTUID		_IOW('n', 2, __kernel_old_uid_t)
108#define NCP_IOC_GETMOUNTUID2		_IOW('n', 2, unsigned long)
109
110#define NCP_IOC_CONN_LOGGED_IN          _IO('n', 3)
111
112#define NCP_GET_FS_INFO_VERSION    (1)
113#define NCP_IOC_GET_FS_INFO             _IOWR('n', 4, struct ncp_fs_info)
114#define NCP_GET_FS_INFO_VERSION_V2 (2)
115#define NCP_IOC_GET_FS_INFO_V2		_IOWR('n', 4, struct ncp_fs_info_v2)
116
117#define NCP_IOC_SIGN_INIT		_IOR('n', 5, struct ncp_sign_init)
118#define NCP_IOC_SIGN_WANTED		_IOR('n', 6, int)
119#define NCP_IOC_SET_SIGN_WANTED		_IOW('n', 6, int)
120
121#define NCP_IOC_LOCKUNLOCK		_IOR('n', 7, struct ncp_lock_ioctl)
122
123#define NCP_IOC_GETROOT			_IOW('n', 8, struct ncp_setroot_ioctl)
124#define NCP_IOC_SETROOT			_IOR('n', 8, struct ncp_setroot_ioctl)
125
126#define NCP_IOC_GETOBJECTNAME		_IOWR('n', 9, struct ncp_objectname_ioctl)
127#define NCP_IOC_SETOBJECTNAME		_IOR('n', 9, struct ncp_objectname_ioctl)
128#define NCP_IOC_GETPRIVATEDATA		_IOWR('n', 10, struct ncp_privatedata_ioctl)
129#define NCP_IOC_SETPRIVATEDATA		_IOR('n', 10, struct ncp_privatedata_ioctl)
130
131#define NCP_IOC_GETCHARSETS		_IOWR('n', 11, struct ncp_nls_ioctl)
132#define NCP_IOC_SETCHARSETS		_IOR('n', 11, struct ncp_nls_ioctl)
133
134#define NCP_IOC_GETDENTRYTTL		_IOW('n', 12, __u32)
135#define NCP_IOC_SETDENTRYTTL		_IOR('n', 12, __u32)
136
137/*
138 * The packet size to allocate. One page should be enough.
139 */
140#define NCP_PACKET_SIZE 4070
141
142#define NCP_MAXPATHLEN 255
143#define NCP_MAXNAMELEN 14
144
145#ifdef __KERNEL__
146
147#include <linux/config.h>
148
149/* undef because public define in umsdos_fs.h (ncp_fs.h isn't public) */
150#undef PRINTK
151/* define because it is easy to change PRINTK to {*}PRINTK */
152#define PRINTK(format, args...) printk(KERN_DEBUG format , ## args)
153
154#undef NCPFS_PARANOIA
155#ifdef NCPFS_PARANOIA
156#define PPRINTK(format, args...) PRINTK(format , ## args)
157#else
158#define PPRINTK(format, args...)
159#endif
160
161#ifndef DEBUG_NCP
162#define DEBUG_NCP 0
163#endif
164#if DEBUG_NCP > 0
165#define DPRINTK(format, args...) PRINTK(format , ## args)
166#else
167#define DPRINTK(format, args...)
168#endif
169#if DEBUG_NCP > 1
170#define DDPRINTK(format, args...) PRINTK(format , ## args)
171#else
172#define DDPRINTK(format, args...)
173#endif
174
175#define NCP_MAX_RPC_TIMEOUT (6*HZ)
176
177
178struct ncp_entry_info {
179	struct nw_info_struct	i;
180	ino_t			ino;
181	int			opened;
182	int			access;
183	__u32			server_file_handle __attribute__((packed));
184	__u8			open_create_action __attribute__((packed));
185	__u8			file_handle[6] __attribute__((packed));
186};
187
188/* Guess, what 0x564c is :-) */
189#define NCP_SUPER_MAGIC  0x564c
190
191
192#define NCP_SBP(sb)		(&((sb)->u.ncpfs_sb))
193
194#define NCP_SERVER(inode)	NCP_SBP((inode)->i_sb)
195#define NCP_FINFO(inode)	(&((inode)->u.ncpfs_i))
196
197#ifdef DEBUG_NCP_MALLOC
198
199#include <linux/slab.h>
200
201extern int ncp_malloced;
202extern int ncp_current_malloced;
203
204static inline void *
205 ncp_kmalloc(unsigned int size, int priority)
206{
207	ncp_malloced += 1;
208	ncp_current_malloced += 1;
209	return kmalloc(size, priority);
210}
211
212static inline void ncp_kfree_s(void *obj, int size)
213{
214	ncp_current_malloced -= 1;
215	kfree(obj);
216}
217
218#else				/* DEBUG_NCP_MALLOC */
219
220#define ncp_kmalloc(s,p) kmalloc(s,p)
221#define ncp_kfree_s(o,s) kfree(o)
222
223#endif				/* DEBUG_NCP_MALLOC */
224
225/* linux/fs/ncpfs/inode.c */
226int ncp_notify_change(struct dentry *, struct iattr *);
227struct super_block *ncp_read_super(struct super_block *, void *, int);
228struct inode *ncp_iget(struct super_block *, struct ncp_entry_info *);
229void ncp_update_inode(struct inode *, struct ncp_entry_info *);
230void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
231
232/* linux/fs/ncpfs/dir.c */
233extern struct inode_operations ncp_dir_inode_operations;
234extern struct file_operations ncp_dir_operations;
235int ncp_conn_logged_in(struct super_block *);
236int ncp_date_dos2unix(__u16 time, __u16 date);
237void ncp_date_unix2dos(int unix_date, __u16 * time, __u16 * date);
238
239/* linux/fs/ncpfs/ioctl.c */
240int ncp_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
241
242/* linux/fs/ncpfs/sock.c */
243int ncp_request2(struct ncp_server *server, int function,
244	void* reply, int max_reply_size);
245static int inline ncp_request(struct ncp_server *server, int function) {
246	return ncp_request2(server, function, server->packet, server->packet_size);
247}
248int ncp_connect(struct ncp_server *server);
249int ncp_disconnect(struct ncp_server *server);
250void ncp_lock_server(struct ncp_server *server);
251void ncp_unlock_server(struct ncp_server *server);
252
253/* linux/fs/ncpfs/file.c */
254extern struct inode_operations ncp_file_inode_operations;
255extern struct file_operations ncp_file_operations;
256int ncp_make_open(struct inode *, int);
257
258/* linux/fs/ncpfs/mmap.c */
259int ncp_mmap(struct file *, struct vm_area_struct *);
260
261/* linux/fs/ncpfs/ncplib_kernel.c */
262int ncp_make_closed(struct inode *);
263
264#define ncp_namespace(i)	(NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])
265
266static inline int ncp_preserve_entry_case(struct inode *i, __u32 nscreator)
267{
268#ifdef CONFIG_NCPFS_SMALLDOS
269	int ns = ncp_namespace(i);
270
271	if ((ns == NW_NS_DOS)
272#ifdef CONFIG_NCPFS_OS2_NS
273		|| ((ns == NW_NS_OS2) && (nscreator == NW_NS_DOS))
274#endif /* CONFIG_NCPFS_OS2_NS */
275				)
276		return 0;
277#endif /* CONFIG_NCPFS_SMALLDOS */
278	return 1;
279}
280
281#define ncp_preserve_case(i)	(ncp_namespace(i) != NW_NS_DOS)
282
283static inline int ncp_case_sensitive(struct inode *i)
284{
285#ifdef CONFIG_NCPFS_NFS_NS
286	return ncp_namespace(i) == NW_NS_NFS;
287#else
288	return 0;
289#endif	/* CONFIG_NCPFS_NFS_NS */
290}
291
292#endif				/* __KERNEL__ */
293
294#endif				/* _LINUX_NCP_FS_H */
295