1 /*
2 * ncp_fs_sb.h
3 *
4 * Copyright (C) 1995, 1996 by Volker Lendecke
5 *
6 */
7
8 #ifndef _NCP_FS_SB
9 #define _NCP_FS_SB
10
11 #include <linux/types.h>
12 #include <linux/ncp_mount.h>
13
14 #ifdef __KERNEL__
15
16 #define NCP_DEFAULT_OPTIONS 0 /* 2 for packet signatures */
17
18 struct ncp_server {
19
20 struct ncp_mount_data_kernel m; /* Nearly all of the mount data is of
21 interest for us later, so we store
22 it completely. */
23
24 __u8 name_space[NCP_NUMBER_OF_VOLUMES + 2];
25
26 struct file *ncp_filp; /* File pointer to ncp socket */
27
28 u8 sequence;
29 u8 task;
30 u16 connection; /* Remote connection number */
31
32 u8 completion; /* Status message from server */
33 u8 conn_status; /* Bit 4 = 1 ==> Server going down, no
34 requests allowed anymore.
35 Bit 0 = 1 ==> Server is down. */
36
37 int buffer_size; /* Negotiated bufsize */
38
39 int reply_size; /* Size of last reply */
40
41 int packet_size;
42 unsigned char *packet; /* Here we prepare requests and
43 receive replies */
44
45 int lock; /* To prevent mismatch in protocols. */
46 struct semaphore sem;
47
48 int current_size; /* for packet preparation */
49 int has_subfunction;
50 int ncp_reply_size;
51
52 int root_setuped;
53
54 /* info for packet signing */
55 int sign_wanted; /* 1=Server needs signed packets */
56 int sign_active; /* 0=don't do signing, 1=do */
57 char sign_root[8]; /* generated from password and encr. key */
58 char sign_last[16];
59
60 /* Authentication info: NDS or BINDERY, username */
61 struct {
62 int auth_type;
63 size_t object_name_len;
64 void* object_name;
65 int object_type;
66 } auth;
67 /* Password info */
68 struct {
69 size_t len;
70 void* data;
71 } priv;
72
73 /* nls info: codepage for volume and charset for I/O */
74 struct nls_table *nls_vol;
75 struct nls_table *nls_io;
76
77 /* maximum age in jiffies */
78 int dentry_ttl;
79
80 /* miscellaneous */
81 unsigned int flags;
82 };
83
84 #define ncp_sb_info ncp_server
85
86 #define NCP_FLAG_UTF8 1
87
88 #define NCP_CLR_FLAG(server, flag) ((server)->flags &= ~(flag))
89 #define NCP_SET_FLAG(server, flag) ((server)->flags |= (flag))
90 #define NCP_IS_FLAG(server, flag) ((server)->flags & (flag))
91
92 static inline int ncp_conn_valid(struct ncp_server *server)
93 {
94 return ((server->conn_status & 0x11) == 0);
95 }
96
97 static inline void ncp_invalidate_conn(struct ncp_server *server)
98 {
99 server->conn_status |= 0x01;
100 }
101
102 #endif /* __KERNEL__ */
103
104 #endif
105
106
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