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
23 struct ncp_ioctl_request {
24 unsigned int function;
25 unsigned int size;
26 char __user *data;
27 };
28
29 struct 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
41 struct 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
55 struct ncp_sign_init
56 {
57 char sign_root[8];
58 char sign_last[16];
59 };
60
61 struct 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
76 struct ncp_setroot_ioctl
77 {
78 int volNumber;
79 int namespace;
80 __le32 dirEntNum;
81 };
82
83 struct 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
93 struct 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
101 struct 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 /* 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 unsigned int volume;
184 __u8 file_handle[6];
185 };
186
187 static inline struct ncp_server *NCP_SBP(struct super_block *sb)
188 {
189 return sb->s_fs_info;
190 }
191
192 #define NCP_SERVER(inode) NCP_SBP((inode)->i_sb)
193 static inline struct ncp_inode_info *NCP_FINFO(struct inode *inode)
194 {
195 return container_of(inode, struct ncp_inode_info, vfs_inode);
196 }
197
198 /* linux/fs/ncpfs/inode.c */
199 int ncp_notify_change(struct dentry *, struct iattr *);
200 struct inode *ncp_iget(struct super_block *, struct ncp_entry_info *);
201 void ncp_update_inode(struct inode *, struct ncp_entry_info *);
202 void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
203
204 /* linux/fs/ncpfs/dir.c */
205 extern const struct inode_operations ncp_dir_inode_operations;
206 extern const struct file_operations ncp_dir_operations;
207 int ncp_conn_logged_in(struct super_block *);
208 int ncp_date_dos2unix(__le16 time, __le16 date);
209 void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
210
211 /* linux/fs/ncpfs/ioctl.c */
212 int ncp_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
213 long ncp_compat_ioctl(struct file *, unsigned int, unsigned long);
214
215 /* linux/fs/ncpfs/sock.c */
216 int ncp_request2(struct ncp_server *server, int function,
217 void* reply, int max_reply_size);
218 static inline int ncp_request(struct ncp_server *server, int function) {
219 return ncp_request2(server, function, server->packet, server->packet_size);
220 }
221 int ncp_connect(struct ncp_server *server);
222 int ncp_disconnect(struct ncp_server *server);
223 void ncp_lock_server(struct ncp_server *server);
224 void ncp_unlock_server(struct ncp_server *server);
225
226 /* linux/fs/ncpfs/file.c */
227 extern const struct inode_operations ncp_file_inode_operations;
228 extern const struct file_operations ncp_file_operations;
229 int ncp_make_open(struct inode *, int);
230
231 /* linux/fs/ncpfs/mmap.c */
232 int ncp_mmap(struct file *, struct vm_area_struct *);
233
234 /* linux/fs/ncpfs/ncplib_kernel.c */
235 int ncp_make_closed(struct inode *);
236
237 #define ncp_namespace(i) (NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])
238
239 static inline int ncp_preserve_entry_case(struct inode *i, __u32 nscreator)
240 {
241 #ifdef CONFIG_NCPFS_SMALLDOS
242 int ns = ncp_namespace(i);
243
244 if ((ns == NW_NS_DOS)
245 #ifdef CONFIG_NCPFS_OS2_NS
246 || ((ns == NW_NS_OS2) && (nscreator == NW_NS_DOS))
247 #endif /* CONFIG_NCPFS_OS2_NS */
248 )
249 return 0;
250 #endif /* CONFIG_NCPFS_SMALLDOS */
251 return 1;
252 }
253
254 #define ncp_preserve_case(i) (ncp_namespace(i) != NW_NS_DOS)
255
256 static inline int ncp_case_sensitive(struct inode *i)
257 {
258 #ifdef CONFIG_NCPFS_NFS_NS
259 return ncp_namespace(i) == NW_NS_NFS;
260 #else
261 return 0;
262 #endif /* CONFIG_NCPFS_NFS_NS */
263 }
264
265 #endif /* __KERNEL__ */
266
267 #endif /* _LINUX_NCP_FS_H */
268
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