1 /* UNIX RFCNB (RFC1001/RFC1002) NetBIOS implementation
6 Copyright (C) Richard Sharpe 1996
7 Copyright 2006 The FreeRADIUS server project
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 2 of the License, or
15 (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software
24 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #include <freeradius-devel/ident.h>
28 RCSIDH(rfcnb_priv_h, "$Id$")
32 typedef unsigned short uint16;
36 #include "rfcnb-error.h"
37 #include "rfcnb-common.h"
38 #include "byteorder.h"
41 #define RFCNB_Default_Port RFCNB_PORT
43 #define RFCNB_Default_Port 139
46 #define RFCNB_MAX_STATS 1
48 /* Protocol defines we need */
50 #define RFCNB_SESSION_MESSAGE 0
51 #define RFCNB_SESSION_REQUEST 0x81
52 #define RFCNB_SESSION_ACK 0x82
53 #define RFCNB_SESSION_REJ 0x83
54 #define RFCNB_SESSION_RETARGET 0x84
55 #define RFCNB_SESSION_KEEP_ALIVE 0x85
59 typedef struct redirect_addr * redirect_ptr;
61 struct redirect_addr {
63 struct in_addr ip_addr;
69 typedef struct RFCNB_Con {
71 int fd; /* File descripter for TCP/IP connection */
72 int rfc_errno; /* last error */
73 int timeout; /* How many milli-secs before IO times out */
74 int redirects; /* How many times we were redirected */
75 struct redirect_addr *redirect_list; /* First is first address */
76 struct redirect_addr *last_addr;
80 typedef char RFCNB_Hdr[4]; /* The header is 4 bytes long with */
81 /* char[0] as the type, char[1] the */
82 /* flags, and char[2..3] the length */
84 /* Macros to extract things from the header. These are for portability
85 between architecture types where we are worried about byte order */
87 #define RFCNB_Pkt_Hdr_Len 4
88 #define RFCNB_Pkt_Sess_Len 72
89 #define RFCNB_Pkt_Retarg_Len 10
90 #define RFCNB_Pkt_Nack_Len 5
91 #define RFCNB_Pkt_Type_Offset 0
92 #define RFCNB_Pkt_Flags_Offset 1
93 #define RFCNB_Pkt_Len_Offset 2 /* Length is 2 bytes plus a flag bit */
94 #define RFCNB_Pkt_N1Len_Offset 4
95 #define RFCNB_Pkt_Called_Offset 5
96 #define RFCNB_Pkt_N2Len_Offset 38
97 #define RFCNB_Pkt_Calling_Offset 39
98 #define RFCNB_Pkt_Error_Offset 4
99 #define RFCNB_Pkt_IP_Offset 4
100 #define RFCNB_Pkt_Port_Offset 8
102 /* The next macro isolates the length of a packet, including the bit in the
105 #define RFCNB_Pkt_Len(p) (PVAL(p, 3) | (PVAL(p, 2) << 8) | \
106 ((PVAL(p, RFCNB_Pkt_Flags_Offset) & 0x01) << 16))
108 #define RFCNB_Put_Pkt_Len(p, v) (p[1] = ((v >> 16) & 1)); \
109 (p[2] = ((v >> 8) & 0xFF)); \
112 #define RFCNB_Pkt_Type(p) (CVAL(p, RFCNB_Pkt_Type_Offset))
114 /*typedef struct RFCNB_Hdr {
122 typedef struct RFCNB_Sess_Pkt {
126 unsigned char n1_len;
127 char called_name[33];
128 unsigned char n2_len;
129 char calling_name[33];
133 typedef struct RFCNB_Nack_Pkt {
135 struct RFCNB_Hdr hdr;
140 typedef struct RFCNB_Retarget_Pkt {
142 struct RFCNB_Hdr hdr;
146 } RFCNB_Redir_Pkt; */
148 /* Static variables */
150 /* Only declare this if not defined */
153 extern int RFCNB_errno;
154 extern int RFCNB_saved_errno; /* Save this from point of error */