helpers/ntlm_auth/SMB/smbval/rfcnb-priv.h

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