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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/ncp_fs_i.h>
16#include <linux/ncp_fs_sb.h>
17#include <linux/ipx.h>
18#include <linux/ncp_no.h>
19
20/*
21 * ioctl commands
22 */
23
24struct ncp_ioctl_request {
25 unsigned int function;
26 unsigned int size;
27 char __user *data;
28};
29
30struct ncp_fs_info {
31 int version;
32 struct sockaddr_ipx addr;
33 __kernel_uid_t mounted_uid;
34 int connection; /* Connection number the server assigned us */
35 int buffer_size; /* The negotiated buffer size, to be
36 used for read/write requests! */
37
38 int volume_number;
39 __le32 directory_id;
40};
41
42struct ncp_fs_info_v2 {
43 int version;
44 unsigned long mounted_uid;
45 unsigned int connection;
46 unsigned int buffer_size;
47
48 unsigned int volume_number;
49 __le32 directory_id;
50
51 __u32 dummy1;
52 __u32 dummy2;
53 __u32 dummy3;
54};
55
56struct ncp_sign_init
57{
58 char sign_root[8];
59 char sign_last[16];
60};
61
62struct ncp_lock_ioctl
63{
64#define NCP_LOCK_LOG 0
65#define NCP_LOCK_SH 1
66#define NCP_LOCK_EX 2
67#define NCP_LOCK_CLEAR 256
68 int cmd;
69 int origin;
70 unsigned int offset;
71 unsigned int length;
72#define NCP_LOCK_DEFAULT_TIMEOUT 18
73#define NCP_LOCK_MAX_TIMEOUT 180
74 int timeout;
75};
76
77struct ncp_setroot_ioctl
78{
79 int volNumber;
80 int namespace;
81 __le32 dirEntNum;
82};
83
84struct ncp_objectname_ioctl
85{
86#define NCP_AUTH_NONE 0x00
87#define NCP_AUTH_BIND 0x31
88#define NCP_AUTH_NDS 0x32
89 int auth_type;
90 size_t object_name_len;
91 void __user * object_name; /* an userspace data, in most cases user name */
92};
93
94struct ncp_privatedata_ioctl
95{
96 size_t len;
97 void __user * data; /* ~1000 for NDS */
98};
99
100/* NLS charsets by ioctl */
101#define NCP_IOCSNAME_LEN 20
102struct ncp_nls_ioctl
103{
104 unsigned char codepage[NCP_IOCSNAME_LEN+1];
105 unsigned char iocharset[NCP_IOCSNAME_LEN+1];
106};
107
108#define NCP_IOC_NCPREQUEST _IOR('n', 1, struct ncp_ioctl_request)
109#define NCP_IOC_GETMOUNTUID _IOW('n', 2, __kernel_old_uid_t)
110#define NCP_IOC_GETMOUNTUID2 _IOW('n', 2, unsigned long)
111
112#define NCP_IOC_CONN_LOGGED_IN _IO('n', 3)
113
114#define NCP_GET_FS_INFO_VERSION (1)
115#define NCP_IOC_GET_FS_INFO _IOWR('n', 4, struct ncp_fs_info)
116#define NCP_GET_FS_INFO_VERSION_V2 (2)
117#define NCP_IOC_GET_FS_INFO_V2 _IOWR('n', 4, struct ncp_fs_info_v2)
118
119#define NCP_IOC_SIGN_INIT _IOR('n', 5, struct ncp_sign_init)
120#define NCP_IOC_SIGN_WANTED _IOR('n', 6, int)
121#define NCP_IOC_SET_SIGN_WANTED _IOW('n', 6, int)
122
123#define NCP_IOC_LOCKUNLOCK _IOR('n', 7, struct ncp_lock_ioctl)
124
125#define NCP_IOC_GETROOT _IOW('n', 8, struct ncp_setroot_ioctl)
126#define NCP_IOC_SETROOT _IOR('n', 8, struct ncp_setroot_ioctl)
127
128#define NCP_IOC_GETOBJECTNAME _IOWR('n', 9, struct ncp_objectname_ioctl)
129#define NCP_IOC_SETOBJECTNAME _IOR('n', 9, struct ncp_objectname_ioctl)
130#define NCP_IOC_GETPRIVATEDATA _IOWR('n', 10, struct ncp_privatedata_ioctl)
131#define NCP_IOC_SETPRIVATEDATA _IOR('n', 10, struct ncp_privatedata_ioctl)
132
133#define NCP_IOC_GETCHARSETS _IOWR('n', 11, struct ncp_nls_ioctl)
134#define NCP_IOC_SETCHARSETS _IOR('n', 11, struct ncp_nls_ioctl)
135
136#define NCP_IOC_GETDENTRYTTL _IOW('n', 12, __u32)
137#define NCP_IOC_SETDENTRYTTL _IOR('n', 12, __u32)
138
139/*
140 * The packet size to allocate. One page should be enough.
141 */
142#define NCP_PACKET_SIZE 4070
143
144#define NCP_MAXPATHLEN 255
145#define NCP_MAXNAMELEN 14
146
147#ifdef __KERNEL__
148
149#include <linux/config.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
189/* Guess, what 0x564c is :-) */
190#define NCP_SUPER_MAGIC 0x564c
191
192
193static inline struct ncp_server *NCP_SBP(struct super_block *sb)
194{
195 return sb->s_fs_info;
196}
197
198#define NCP_SERVER(inode) NCP_SBP((inode)->i_sb)
199static inline struct ncp_inode_info *NCP_FINFO(struct inode *inode)
200{
201 return container_of(inode, struct ncp_inode_info, vfs_inode);
202}
203
204#ifdef DEBUG_NCP_MALLOC
205
206#include <linux/slab.h>
207
208extern int ncp_malloced;
209extern int ncp_current_malloced;
210
211static inline void *
212 ncp_kmalloc(unsigned int size, int priority)
213{
214 ncp_malloced += 1;
215 ncp_current_malloced += 1;
216 return kmalloc(size, priority);
217}
218
219static inline void ncp_kfree_s(void *obj, int size)
220{
221 ncp_current_malloced -= 1;
222 kfree(obj);
223}
224
225#else /* DEBUG_NCP_MALLOC */
226
227#define ncp_kmalloc(s,p) kmalloc(s,p)
228#define ncp_kfree_s(o,s) kfree(o)
229
230#endif /* DEBUG_NCP_MALLOC */
231
232/* linux/fs/ncpfs/inode.c */
233int ncp_notify_change(struct dentry *, struct iattr *);
234struct inode *ncp_iget(struct super_block *, struct ncp_entry_info *);
235void ncp_update_inode(struct inode *, struct ncp_entry_info *);
236void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
237
238/* linux/fs/ncpfs/dir.c */
239extern struct inode_operations ncp_dir_inode_operations;
240extern struct file_operations ncp_dir_operations;
241int ncp_conn_logged_in(struct super_block *);
242int ncp_date_dos2unix(__le16 time, __le16 date);
243void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
244
245/* linux/fs/ncpfs/ioctl.c */
246int ncp_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
247
248/* linux/fs/ncpfs/sock.c */
249int ncp_request2(struct ncp_server *server, int function,
250 void* reply, int max_reply_size);
251static inline int ncp_request(struct ncp_server *server, int function) {
252 return ncp_request2(server, function, server->packet, server->packet_size);
253}
254int ncp_connect(struct ncp_server *server);
255int ncp_disconnect(struct ncp_server *server);
256void ncp_lock_server(struct ncp_server *server);
257void ncp_unlock_server(struct ncp_server *server);
258
259/* linux/fs/ncpfs/file.c */
260extern struct inode_operations ncp_file_inode_operations;
261extern struct file_operations ncp_file_operations;
262int ncp_make_open(struct inode *, int);
263
264/* linux/fs/ncpfs/mmap.c */
265int ncp_mmap(struct file *, struct vm_area_struct *);
266
267/* linux/fs/ncpfs/ncplib_kernel.c */
268int ncp_make_closed(struct inode *);
269
270#define ncp_namespace(i) (NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])
271
272static inline int ncp_preserve_entry_case(struct inode *i, __u32 nscreator)
273{
274#ifdef CONFIG_NCPFS_SMALLDOS
275 int ns = ncp_namespace(i);
276
277 if ((ns == NW_NS_DOS)
278#ifdef CONFIG_NCPFS_OS2_NS
279 || ((ns == NW_NS_OS2) && (nscreator == NW_NS_DOS))
280#endif /* CONFIG_NCPFS_OS2_NS */
281 )
282 return 0;
283#endif /* CONFIG_NCPFS_SMALLDOS */
284 return 1;
285}
286
287#define ncp_preserve_case(i) (ncp_namespace(i) != NW_NS_DOS)
288
289static inline int ncp_case_sensitive(struct inode *i)
290{
291#ifdef CONFIG_NCPFS_NFS_NS
292 return ncp_namespace(i) == NW_NS_NFS;
293#else
294 return 0;
295#endif /* CONFIG_NCPFS_NFS_NS */
296}
297
298#endif /* __KERNEL__ */
299
300#endif /* _LINUX_NCP_FS_H */