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462566c5 | 1 | /* |
ef57eb7b | 2 | * Copyright (C) 1996-2016 The Squid Software Foundation and contributors |
462566c5 AJ |
3 | * |
4 | * Squid software is distributed under GPLv2+ license and includes | |
5 | * contributions from numerous individuals and organizations. | |
6 | * Please see the COPYING and CONTRIBUTORS files for details. | |
7 | */ | |
8 | ||
7c16470c | 9 | /* UNIX RFCNB (RFC1001/RFC1002) NetBIOS implementation |
6ca34f6f HN |
10 | * |
11 | * Version 1.0 | |
12 | * RFCNB Defines | |
13 | * | |
14 | * Copyright (C) Richard Sharpe 1996 | |
6ca34f6f | 15 | */ |
7c16470c AJ |
16 | |
17 | /* | |
6ca34f6f HN |
18 | * This program is free software; you can redistribute it and/or modify |
19 | * it under the terms of the GNU General Public License as published by | |
20 | * the Free Software Foundation; either version 2 of the License, or | |
21 | * (at your option) any later version. | |
22 | * | |
23 | * This program is distributed in the hope that it will be useful, | |
24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | * GNU General Public License for more details. | |
27 | * | |
28 | * You should have received a copy of the GNU General Public License | |
29 | * along with this program; if not, write to the Free Software | |
30 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
31 | */ | |
7c16470c AJ |
32 | |
33 | #ifndef _RFCNB_RFCNB_PRIV_H | |
34 | #define _RFCNB_RFCNB_PRIV_H | |
35 | ||
36 | /* Defines we need */ | |
37 | ||
38 | typedef unsigned short uint16; | |
39 | ||
40 | #define GLOBAL extern | |
41 | ||
7c16470c | 42 | #include "rfcnb/byteorder.h" |
9864722f AJ |
43 | #include "rfcnb/rfcnb-common.h" |
44 | #include "rfcnb/rfcnb-error.h" | |
45 | ||
46 | #if HAVE_NETINET_IN_H | |
47 | #include <netinet/in.h> | |
48 | #endif | |
7c16470c AJ |
49 | |
50 | #ifdef RFCNB_PORT | |
51 | #define RFCNB_Default_Port RFCNB_PORT | |
52 | #else | |
53 | #define RFCNB_Default_Port 139 | |
54 | #endif | |
55 | ||
56 | #define RFCNB_MAX_STATS 1 | |
57 | ||
58 | /* Protocol defines we need */ | |
59 | ||
60 | #define RFCNB_SESSION_MESSAGE 0 | |
61 | #define RFCNB_SESSION_REQUEST 0x81 | |
62 | #define RFCNB_SESSION_ACK 0x82 | |
63 | #define RFCNB_SESSION_REJ 0x83 | |
64 | #define RFCNB_SESSION_RETARGET 0x84 | |
65 | #define RFCNB_SESSION_KEEP_ALIVE 0x85 | |
66 | ||
67 | /* Structures */ | |
68 | ||
6ca34f6f | 69 | typedef struct redirect_addr *redirect_ptr; |
7c16470c AJ |
70 | |
71 | struct redirect_addr { | |
72 | ||
73 | struct in_addr ip_addr; | |
74 | int port; | |
75 | redirect_ptr next; | |
76 | ||
77 | }; | |
78 | ||
79 | typedef struct RFCNB_Con { | |
80 | ||
81 | int fd; /* File descripter for TCP/IP connection */ | |
6ca34f6f HN |
82 | int errn; /* last error */ |
83 | int timeout; /* How many milli-secs before IO times out */ | |
84 | int redirects; /* How many times we were redirected */ | |
85 | struct redirect_addr *redirect_list; /* First is first address */ | |
7c16470c AJ |
86 | struct redirect_addr *last_addr; |
87 | ||
88 | } RFCNB_Con; | |
89 | ||
6ca34f6f | 90 | typedef char RFCNB_Hdr[4]; /* The header is 4 bytes long with */ |
7c16470c AJ |
91 | /* char[0] as the type, char[1] the */ |
92 | /* flags, and char[2..3] the length */ | |
93 | ||
94 | /* Macros to extract things from the header. These are for portability | |
6ca34f6f | 95 | * between architecture types where we are worried about byte order */ |
7c16470c AJ |
96 | |
97 | #define RFCNB_Pkt_Hdr_Len 4 | |
98 | #define RFCNB_Pkt_Sess_Len 72 | |
99 | #define RFCNB_Pkt_Retarg_Len 10 | |
100 | #define RFCNB_Pkt_Nack_Len 5 | |
101 | #define RFCNB_Pkt_Type_Offset 0 | |
102 | #define RFCNB_Pkt_Flags_Offset 1 | |
6ca34f6f | 103 | #define RFCNB_Pkt_Len_Offset 2 /* Length is 2 bytes plus a flag bit */ |
7c16470c AJ |
104 | #define RFCNB_Pkt_N1Len_Offset 4 |
105 | #define RFCNB_Pkt_Called_Offset 5 | |
106 | #define RFCNB_Pkt_N2Len_Offset 38 | |
107 | #define RFCNB_Pkt_Calling_Offset 39 | |
108 | #define RFCNB_Pkt_Error_Offset 4 | |
109 | #define RFCNB_Pkt_IP_Offset 4 | |
110 | #define RFCNB_Pkt_Port_Offset 8 | |
111 | ||
112 | /* The next macro isolates the length of a packet, including the bit in the | |
6ca34f6f | 113 | * flags */ |
7c16470c AJ |
114 | |
115 | #define RFCNB_Pkt_Len(p) (PVAL((p), 3) | (PVAL((p), 2) << 8) | \ | |
116 | ((PVAL((p), RFCNB_Pkt_Flags_Offset) & 0x01) << 16)) | |
117 | ||
118 | #define RFCNB_Put_Pkt_Len(p, v) ((p)[1] = (((v) >> 16) & 1)); \ | |
6ca34f6f HN |
119 | ((p)[2] = (((v) >> 8) & 0xFF)); \ |
120 | ((p)[3] = ((v) & 0xFF)); | |
7c16470c AJ |
121 | |
122 | #define RFCNB_Pkt_Type(p) (CVAL((p), RFCNB_Pkt_Type_Offset)) | |
123 | ||
6ca34f6f HN |
124 | #if UNUSED_CODE |
125 | typedef struct RFCNB_Hdr { | |
126 | unsigned char type; | |
127 | unsigned char flags; | |
128 | int16 len; | |
129 | } RFCNB_Hdr; | |
7c16470c AJ |
130 | |
131 | typedef struct RFCNB_Sess_Pkt { | |
132 | unsigned char type; | |
133 | unsigned char flags; | |
134 | int16 length; | |
135 | unsigned char n1_len; | |
136 | char called_name[33]; | |
137 | unsigned char n2_len; | |
138 | char calling_name[33]; | |
6ca34f6f | 139 | } RFCNB_Sess_Pkt; |
7c16470c | 140 | |
7c16470c | 141 | typedef struct RFCNB_Nack_Pkt { |
6ca34f6f HN |
142 | struct RFCNB_Hdr hdr; |
143 | unsigned char error; | |
144 | } RFCNB_Nack_Pkt; | |
7c16470c AJ |
145 | |
146 | typedef struct RFCNB_Retarget_Pkt { | |
6ca34f6f HN |
147 | struct RFCNB_Hdr hdr; |
148 | int dest_ip; | |
149 | unsigned char port; | |
150 | } RFCNB_Redir_Pkt; | |
151 | #endif /* UNUSED_CODE */ | |
7c16470c AJ |
152 | |
153 | /* Static variables */ | |
154 | ||
155 | /* Only declare this if not defined */ | |
156 | ||
157 | #ifndef RFCNB_ERRNO | |
158 | extern int RFCNB_errno; | |
6ca34f6f | 159 | extern int RFCNB_saved_errno; /* Save this from point of error */ |
7c16470c AJ |
160 | #endif |
161 | ||
162 | #endif /* _RFCNB_RFCNB_PRIV_H */ | |
f53969cc | 163 |