File: /usr/include/linux/ncp_fs.h
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
22 struct ncp_ioctl_request {
23 unsigned int function;
24 unsigned int size;
25 char *data;
26 };
27
28 struct 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
40 struct 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
54 struct ncp_sign_init
55 {
56 char sign_root[8];
57 char sign_last[16];
58 };
59
60 struct 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
75 struct ncp_setroot_ioctl
76 {
77 int volNumber;
78 int namespace;
79 __u32 dirEntNum;
80 };
81
82 struct 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
92 struct 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
100 struct 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
178 struct 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
201 extern int ncp_malloced;
202 extern int ncp_current_malloced;
203
204 static 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
212 static 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 */
226 int ncp_notify_change(struct dentry *, struct iattr *);
227 struct super_block *ncp_read_super(struct super_block *, void *, int);
228 struct inode *ncp_iget(struct super_block *, struct ncp_entry_info *);
229 void ncp_update_inode(struct inode *, struct ncp_entry_info *);
230 void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
231
232 /* linux/fs/ncpfs/dir.c */
233 extern struct inode_operations ncp_dir_inode_operations;
234 extern struct file_operations ncp_dir_operations;
235 int ncp_conn_logged_in(struct super_block *);
236 int ncp_date_dos2unix(__u16 time, __u16 date);
237 void ncp_date_unix2dos(int unix_date, __u16 * time, __u16 * date);
238
239 /* linux/fs/ncpfs/ioctl.c */
240 int ncp_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
241
242 /* linux/fs/ncpfs/sock.c */
243 int ncp_request2(struct ncp_server *server, int function,
244 void* reply, int max_reply_size);
245 static int inline ncp_request(struct ncp_server *server, int function) {
246 return ncp_request2(server, function, server->packet, server->packet_size);
247 }
248 int ncp_connect(struct ncp_server *server);
249 int ncp_disconnect(struct ncp_server *server);
250 void ncp_lock_server(struct ncp_server *server);
251 void ncp_unlock_server(struct ncp_server *server);
252
253 /* linux/fs/ncpfs/file.c */
254 extern struct inode_operations ncp_file_inode_operations;
255 extern struct file_operations ncp_file_operations;
256 int ncp_make_open(struct inode *, int);
257
258 /* linux/fs/ncpfs/mmap.c */
259 int ncp_mmap(struct file *, struct vm_area_struct *);
260
261 /* linux/fs/ncpfs/ncplib_kernel.c */
262 int ncp_make_closed(struct inode *);
263
264 #define ncp_namespace(i) (NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])
265
266 static 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
283 static 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