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1 /* mod_ntlm file: $Id: rfcnb-priv.h,v 1.3 2003/02/21 01:55:14 casz Exp $ */
2
3 #ifndef RFCNB_PRIV_H
4 #define RFCNB_PRIV_H
5
6 /* UNIX RFCNB (RFC1001/RFC1002) NetBIOS implementation
7 *
8 * Version 1.0 RFCNB Defines
9 *
10 * Copyright (C) Richard Sharpe 1996
11 *
12 */
13
14 /*
15 * This program is free software; you can redistribute it and/or modify it
16 * under the terms of the GNU General Public License as published by the
17 * Free Software Foundation; either version 2 of the License, or (at your
18 * option) any later version. This program is distributed in the hope
19 * that it will be useful, but WITHOUT ANY WARRANTY; without even the
20 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
21 * PURPOSE. See the GNU General Public License for more details. You
22 * should have received a copy of the GNU General Public License along
23 * with this program; if not, write to the Free Software Foundation, Inc.,
24 * 675 Mass Ave, Cambridge, MA 02139, USA. */
25
26 /* Defines we need */
27
28 #define GLOBAL extern
29
30 #include "rfcnb-error.h"
31 #include "rfcnb-common.h"
32 #include "byteorder.h"
33
34 #ifdef RFCNB_PORT
35 #define RFCNB_Default_Port RFCNB_PORT
36 #else
37 #define RFCNB_Default_Port 139
38 #endif
39
40 #define RFCNB_MAX_STATS 1
41
42 /* Protocol defines we need */
43
44 #define RFCNB_SESSION_MESSAGE 0
45 #define RFCNB_SESSION_REQUEST 0x81
46 #define RFCNB_SESSION_ACK 0x82
47 #define RFCNB_SESSION_REJ 0x83
48 #define RFCNB_SESSION_RETARGET 0x84
49 #define RFCNB_SESSION_KEEP_ALIVE 0x85
50
51 /* Structures */
52
53 typedef struct redirect_addr *redirect_ptr;
54
55 struct redirect_addr {
56
57 struct in_addr ip_addr;
58 int port;
59 redirect_ptr next;
60
61 };
62
63 typedef struct RFCNB_Con {
64
65 int fd; /* File descripter for TCP/IP connection */
66 int rfc_errno; /* last error */
67 int timeout; /* How many milli-secs before IO times out
68 */
69 int redirects; /* How many times we were redirected */
70 struct redirect_addr *redirect_list; /* First is first address */
71 struct redirect_addr *last_addr;
72
73 } RFCNB_Con;
74
75 typedef char RFCNB_Hdr[4]; /* The header is 4 bytes long with */
76 /* char[0] as the type, char[1] the */
77 /* flags, and char[2..3] the length */
78
79 /* Macros to extract things from the header. These are for portability
80 * between architecture types where we are worried about byte order */
81
82 #define RFCNB_Pkt_Hdr_Len 4
83 #define RFCNB_Pkt_Sess_Len 72
84 #define RFCNB_Pkt_Retarg_Len 10
85 #define RFCNB_Pkt_Nack_Len 5
86 #define RFCNB_Pkt_Type_Offset 0
87 #define RFCNB_Pkt_Flags_Offset 1
88 #define RFCNB_Pkt_Len_Offset 2 /* Length is 2 bytes plus a flag
89 * bit */
90 #define RFCNB_Pkt_N1Len_Offset 4
91 #define RFCNB_Pkt_Called_Offset 5
92 #define RFCNB_Pkt_N2Len_Offset 38
93 #define RFCNB_Pkt_Calling_Offset 39
94 #define RFCNB_Pkt_Error_Offset 4
95 #define RFCNB_Pkt_IP_Offset 4
96 #define RFCNB_Pkt_Port_Offset 8
97
98 /* The next macro isolates the length of a packet, including the bit in
99 * the flags
100 * */
101
102 #define RFCNB_Pkt_Len(p) (PVAL((p), 3) | (PVAL((p), 2) << 8) | \
103 ((PVAL((p), RFCNB_Pkt_Flags_Offset) & 0x01) << 16))
104
105 #define RFCNB_Put_Pkt_Len(p, v) ((p)[1] = (((v) >> 16) & 1)); \
106 ((p)[2] = (((v) >> 8) & 0xFF)); \
107 ((p)[3] = ((v) & 0xFF));
108
109 #define RFCNB_Pkt_Type(p) (CVAL((p), RFCNB_Pkt_Type_Offset))
110
111 /* Static variables */
112
113 /* Only declare this if not defined */
114
115 #ifndef RFCNB_ERRNO
116 static int RFCNB_errno;
117 static int RFCNB_saved_errno; /* Save this from point of error */
118 #endif
119
120 #endif