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
24 struct ncp_ioctl_request {
25 unsigned int function;
26 unsigned int size;
27 char __user *data;
28 };
29
30 struct 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
42 struct 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
56 struct ncp_sign_init
57 {
58 char sign_root[8];
59 char sign_last[16];
60 };
61
62 struct 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
77 struct ncp_setroot_ioctl
78 {
79 int volNumber;
80 int namespace;
81 __le32 dirEntNum;
82 };
83
84 struct 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
94 struct 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
102 struct 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
180 struct 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
193 static 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)
199 static 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
208 extern int ncp_malloced;
209 extern int ncp_current_malloced;
210
211 static 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
219 static 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 */
233 int ncp_notify_change(struct dentry *, struct iattr *);
234 struct inode *ncp_iget(struct super_block *, struct ncp_entry_info *);
235 void ncp_update_inode(struct inode *, struct ncp_entry_info *);
236 void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
237
238 /* linux/fs/ncpfs/dir.c */
239 extern struct inode_operations ncp_dir_inode_operations;
240 extern struct file_operations ncp_dir_operations;
241 int ncp_conn_logged_in(struct super_block *);
242 int ncp_date_dos2unix(__le16 time, __le16 date);
243 void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
244
245 /* linux/fs/ncpfs/ioctl.c */
246 int ncp_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
247
248 /* linux/fs/ncpfs/sock.c */
249 int ncp_request2(struct ncp_server *server, int function,
250 void* reply, int max_reply_size);
251 static inline int ncp_request(struct ncp_server *server, int function) {
252 return ncp_request2(server, function, server->packet, server->packet_size);
253 }
254 int ncp_connect(struct ncp_server *server);
255 int ncp_disconnect(struct ncp_server *server);
256 void ncp_lock_server(struct ncp_server *server);
257 void ncp_unlock_server(struct ncp_server *server);
258
259 /* linux/fs/ncpfs/file.c */
260 extern struct inode_operations ncp_file_inode_operations;
261 extern struct file_operations ncp_file_operations;
262 int ncp_make_open(struct inode *, int);
263
264 /* linux/fs/ncpfs/mmap.c */
265 int ncp_mmap(struct file *, struct vm_area_struct *);
266
267 /* linux/fs/ncpfs/ncplib_kernel.c */
268 int ncp_make_closed(struct inode *);
269
270 #define ncp_namespace(i) (NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])
271
272 static 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
289 static 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 */
301
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