smblib-priv.h

一个功能非常全面的代理服务器源代码程序,

#ifndef __SMBLIB_PRIV_H__
#define __SMBLIB_PRIV_H__

/* UNIX SMBlib NetBIOS implementation
 * 
 * Version 1.0
 * SMBlib private Defines
 * 
 * Copyright (C) Richard Sharpe 1996
 * 
 */

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "std-defines.h"
#include "smblib-common.h"
#include <unistd.h>

#include "byteorder.h"		/* Hmmm ... hot good */

#define max(a,b) (a < b ? b : a)

#define SMB_DEF_IDF 0x424D53FF	/* "\377SMB" */

/* Core protocol commands */

#define SMBmkdir      0x00	/* create directory */
#define SMBrmdir      0x01	/* delete directory */
#define SMBopen       0x02	/* open file */
#define SMBcreate     0x03	/* create file */
#define SMBclose      0x04	/* close file */
#define SMBflush      0x05	/* flush file */
#define SMBunlink     0x06	/* delete file */
#define SMBmv         0x07	/* rename file */
#define SMBgetatr     0x08	/* get file attributes */
#define SMBsetatr     0x09	/* set file attributes */
#define SMBread       0x0A	/* read from file */
#define SMBwrite      0x0B	/* write to file */
#define SMBlock       0x0C	/* lock byte range */
#define SMBunlock     0x0D	/* unlock byte range */
#define SMBctemp      0x0E	/* create temporary file */
#define SMBmknew      0x0F	/* make new file */
#define SMBchkpth     0x10	/* check directory path */
#define SMBexit       0x11	/* process exit */
#define SMBlseek      0x12	/* seek */
#define SMBtcon       0x70	/* tree connect */
#define SMBtdis       0x71	/* tree disconnect */
#define SMBnegprot    0x72	/* negotiate protocol */
#define SMBdskattr    0x80	/* get disk attributes */
#define SMBsearch     0x81	/* search directory */
#define SMBsplopen    0xC0	/* open print spool file */
#define SMBsplwr      0xC1	/* write to print spool file */
#define SMBsplclose   0xC2	/* close print spool file */
#define SMBsplretq    0xC3	/* return print queue */
#define SMBsends      0xD0	/* send single block message */
#define SMBsendb      0xD1	/* send broadcast message */
#define SMBfwdname    0xD2	/* forward user name */
#define SMBcancelf    0xD3	/* cancel forward */
#define SMBgetmac     0xD4	/* get machine name */
#define SMBsendstrt   0xD5	/* send start of multi-block message */
#define SMBsendend    0xD6	/* send end of multi-block message */
#define SMBsendtxt    0xD7	/* send text of multi-block message */

/* CorePlus protocol                                        */

#define SMBlockread   0x13	/* Lock a range and read it */
#define SMBwriteunlock 0x14	/* Unlock a range and then write */
#define SMBreadbraw   0x1a	/* read a block of data without smb header ohead */
#define SMBwritebraw  0x1d	/* write a block of data without smb header ohead */
#define SMBwritec     0x20	/* secondary write request */
#define SMBwriteclose 0x2c	/* write a file and then close it */

/* DOS Extended Protocol                                    */

#define SMBreadBraw      0x1A	/* read block raw */
#define SMBreadBmpx      0x1B	/* read block multiplexed */
#define SMBreadBs        0x1C	/* read block (secondary response) */
#define SMBwriteBraw     0x1D	/* write block raw */
#define SMBwriteBmpx     0x1E	/* write block multiplexed */
#define SMBwriteBs       0x1F	/* write block (secondary request) */
#define SMBwriteC        0x20	/* write complete response */
#define SMBsetattrE      0x22	/* set file attributes expanded */
#define SMBgetattrE      0x23	/* get file attributes expanded */
#define SMBlockingX      0x24	/* lock/unlock byte ranges and X */
#define SMBtrans         0x25	/* transaction - name, bytes in/out */
#define SMBtranss        0x26	/* transaction (secondary request/response) */
#define SMBioctl         0x27	/* IOCTL */
#define SMBioctls        0x28	/* IOCTL  (secondary request/response) */
#define SMBcopy          0x29	/* copy */
#define SMBmove          0x2A	/* move */
#define SMBecho          0x2B	/* echo */
#define SMBopenX         0x2D	/* open and X */
#define SMBreadX         0x2E	/* read and X */
#define SMBwriteX        0x2F	/* write and X */
#define SMBsesssetupX    0x73	/* Session Set Up & X (including User Logon) */
#define SMBtconX         0x75	/* tree connect and X */
#define SMBffirst        0x82	/* find first */
#define SMBfunique       0x83	/* find unique */
#define SMBfclose        0x84	/* find close */
#define SMBinvalid       0xFE	/* invalid command */

/* Any more ? */

#define SMBdatablockID     0x01	/* A data block identifier */
#define SMBdialectID       0x02	/* A dialect id            */
#define SMBpathnameID      0x03	/* A pathname ID           */
#define SMBasciiID         0x04	/* An ascii string ID      */
#define SMBvariableblockID 0x05	/* A variable block ID     */

/* some other defines we need */

/* Flags defines ... */

#define SMB_FLG2_NON_DOS    0x01	/* We know non dos names             */
#define SMB_FLG2_EXT_ATR    0x02	/* We know about Extended Attributes */
#define SMB_FLG2_LNG_NAM    0x04	/* Long names ?                      */

typedef unsigned short WORD;
typedef unsigned short UWORD;
typedef unsigned int ULONG;
typedef unsigned char BYTE;
typedef unsigned char UCHAR;

/* Some macros to allow access to actual packet data so that we */
/* can change the underlying representation of packets.         */
/*                                                              */
/* The current formats vying for attention are a fragment       */
/* approach where the SMB header is a fragment linked to the    */
/* data portion with the transport protocol (rfcnb or whatever) */
/* being linked on the front.                                   */
/*                                                              */
/* The other approach is where the whole packet is one array    */
/* of bytes with space allowed on the front for the packet      */
/* headers.                                                     */

#define SMB_Hdr(p) (char *)(p -> data)

/* SMB Hdr def for File Sharing Protocol? From MS and Intel,    */
/* Intel PN 138446 Doc Version 2.0, Nov 7, 1988. This def also  */
/* applies to LANMAN1.0 as well as the Core Protocol            */
/* The spec states that wct and bcc must be present, even if 0  */

/* We define these as offsets into a char SMB[] array for the   */
/* sake of portability                                          */

/* NOTE!. Some of the lenght defines, SMB_<protreq>_len do not include */
/* the data that follows in the SMB packet, so the code will have to   */
/* take that into account.                                             */

#define SMB_hdr_idf_offset    0	/* 0xFF,'SMB' 0-3 */
#define SMB_hdr_com_offset    4	/* BYTE       4   */
#define SMB_hdr_rcls_offset   5	/* BYTE       5   */
#define SMB_hdr_reh_offset    6	/* BYTE       6   */
#define SMB_hdr_err_offset    7	/* WORD       7   */
#define SMB_hdr_reb_offset    9	/* BYTE       9   */
#define SMB_hdr_flg_offset    9	/* same as reb ... */
#define SMB_hdr_res_offset    10	/* 7 WORDs    10  */
#define SMB_hdr_res0_offset   10	/* WORD       10  */
#define SMB_hdr_flg2_offset   10	/* WORD           */
#define SMB_hdr_res1_offset   12	/* WORD       12  */
#define SMB_hdr_res2_offset   14
#define SMB_hdr_res3_offset   16
#define SMB_hdr_res4_offset   18
#define SMB_hdr_res5_offset   20
#define SMB_hdr_res6_offset   22
#define SMB_hdr_tid_offset    24
#define SMB_hdr_pid_offset    26
#define SMB_hdr_uid_offset    28
#define SMB_hdr_mid_offset    30
#define SMB_hdr_wct_offset    32

#define SMB_hdr_len           33	/* 33 byte header?      */

#define SMB_hdr_axc_offset    33	/* AndX Command         */
#define SMB_hdr_axr_offset    34	/* AndX Reserved        */
#define SMB_hdr_axo_offset    35	/* Offset from start to WCT of AndX cmd */

/* Format of the Negotiate Protocol SMB */

#define SMB_negp_bcc_offset   33
#define SMB_negp_buf_offset   35	/* Where the buffer starts   */
#define SMB_negp_len          35	/* plus the data             */

/* Format of the Negotiate Response SMB, for CoreProtocol, LM1.2 and */
/* NT LM 0.12. wct will be 1 for CoreProtocol, 13 for LM 1.2, and 17 */
/* for NT LM 0.12                                                    */

#define SMB_negrCP_idx_offset   33	/* Response to the neg req */
#define SMB_negrCP_bcc_offset   35
#define SMB_negrLM_idx_offset   33	/* dialect index           */
#define SMB_negrLM_sec_offset   35	/* Security mode           */
#define SMB_sec_user_mask       0x01	/* 0 = share, 1 = user     */
#define SMB_sec_encrypt_mask    0x02	/* pick out encrypt        */
#define SMB_negrLM_mbs_offset   37	/* max buffer size         */
#define SMB_negrLM_mmc_offset   39	/* max mpx count           */
#define SMB_negrLM_mnv_offset   41	/* max number of VCs       */
#define SMB_negrLM_rm_offset    43	/* raw mode support bit vec */
#define SMB_read_raw_mask       0x01
#define SMB_write_raw_mask      0x02
#define SMB_negrLM_sk_offset    45	/* session key, 32 bits    */
#define SMB_negrLM_st_offset    49	/* Current server time     */
#define SMB_negrLM_sd_offset    51	/* Current server date     */
#define SMB_negrLM_stz_offset   53	/* Server Time Zone        */
#define SMB_negrLM_ekl_offset   55	/* encryption key length   */
#define SMB_negrLM_res_offset   57	/* reserved                */
#define SMB_negrLM_bcc_offset   59	/* bcc                     */
#define SMB_negrLM_len          61	/* 61 bytes ?              */
#define SMB_negrLM_buf_offset   61	/* Where the fun begins    */

#define SMB_negrNTLM_idx_offset 33	/* Selected protocol       */
#define SMB_negrNTLM_sec_offset 35	/* Security more           */
#define SMB_negrNTLM_mmc_offset 36	/* Different format above  */
#define SMB_negrNTLM_mnv_offset 38	/* Max VCs                 */
#define SMB_negrNTLM_mbs_offset 40	/* MBS now a long          */
#define SMB_negrNTLM_mrs_offset 44	/* Max raw size            */
#define SMB_negrNTLM_sk_offset  48	/* Session Key             */
#define SMB_negrNTLM_cap_offset 52	/* Capabilities            */
#define SMB_negrNTLM_stl_offset 56	/* Server time low         */
#define SMB_negrNTLM_sth_offset 60	/* Server time high        */
#define SMB_negrNTLM_stz_offset 64	/* Server time zone        */
#define SMB_negrNTLM_ekl_offset 66	/* Encrypt key len         */
#define SMB_negrNTLM_bcc_offset 67	/* Bcc                     */
#define SMB_negrNTLM_len        69
#define SMB_negrNTLM_buf_offset 69

/* Offsets related to Tree Connect                                      */

#define SMB_tcon_bcc_offset     33
#define SMB_tcon_buf_offset     35	/* where the data is for tcon */
#define SMB_tcon_len            35	/* plus the data              */

#define SMB_tconr_mbs_offset    33	/* max buffer size         */
#define SMB_tconr_tid_offset    35	/* returned tree id        */
#define SMB_tconr_bcc_offset    37
#define SMB_tconr_len           39

#define SMB_tconx_axc_offset    33	/* And X Command                */
#define SMB_tconx_axr_offset    34	/* reserved                     */
#define SMB_tconx_axo_offset    35	/* Next command offset          */
#define SMB_tconx_flg_offset    37	/* Flags, bit0=1 means disc TID */
#define SMB_tconx_pwl_offset    39	/* Password length              */
#define SMB_tconx_bcc_offset    41	/* bcc                          */
#define SMB_tconx_buf_offset    43	/* buffer                       */
#define SMB_tconx_len           43	/* up to data ...               */

#define SMB_tconxr_axc_offset   33	/* Where the AndX Command is    */
#define SMB_tconxr_axr_offset   34	/* Reserved                     */
#define SMB_tconxr_axo_offset   35	/* AndX offset location         */

/* Offsets related to tree_disconnect                                  */

#define SMB_tdis_bcc_offset     33	/* bcc                     */
#define SMB_tdis_len            35	/* total len               */

#define SMB_tdisr_bcc_offset    33	/* bcc                     */
#define SMB_tdisr_len           35

/* Offsets related to Open Request                                     */

#define SMB_open_mod_offset     33	/* Mode to open with       */
#define SMB_open_atr_offset     35	/* Attributes of file      */
#define SMB_open_bcc_offset     37	/* bcc                     */
#define SMB_open_buf_offset     39	/* File name               */
#define SMB_open_len            39	/* Plus the file name      */

#define SMB_openx_axc_offset    33	/* Next command            */
#define SMB_openx_axr_offset    34	/* Reserved                */
#define SMB_openx_axo_offset    35	/* offset of next wct      */
#define SMB_openx_flg_offset    37	/* Flags, bit0 = need more info */
					  /* bit1 = exclusive oplock */
					  /* bit2 = batch oplock     */
#define SMB_openx_mod_offset    39	/* mode to open with       */
#define SMB_openx_atr_offset    41	/* search attributes       */
#define SMB_openx_fat_offset    43	/* File attributes         */
#define SMB_openx_tim_offset    45	/* time and date of creat  */
#define SMB_openx_ofn_offset    49	/* Open function           */
#define SMB_openx_als_offset    51	/* Space to allocate on    */
#define SMB_openx_res_offset    55	/* reserved                */
#define SMB_openx_bcc_offset    63	/* bcc                     */
#define SMB_openx_buf_offset    65	/* Where file name goes    */
#define SMB_openx_len           65

#define SMB_openr_fid_offset    33	/* FID returned            */
#define SMB_openr_atr_offset    35	/* Attributes opened with  */
#define SMB_openr_tim_offset    37	/* Last mod time of file   */
#define SMB_openr_fsz_offset    41	/* File size 4 bytes       */
#define SMB_openr_acc_offset    45	/* Access allowed          */
#define SMB_openr_bcc_offset    47
#define SMB_openr_len           49

#define SMB_openxr_axc_offset   33	/* And X command           */
#define SMB_openxr_axr_offset   34	/* reserved                */
#define SMB_openxr_axo_offset   35	/* offset to next command  */
#define SMB_openxr_fid_offset   37	/* FID returned            */
#define SMB_openxr_fat_offset   39	/* File attributes returned */
#define SMB_openxr_tim_offset   41	/* File creation date etc  */
#define SMB_openxr_fsz_offset   45	/* Size of file            */
#define SMB_openxr_acc_offset   49	/* Access granted          */

#define SMB_clos_fid_offset     33	/* FID to close            */
#define SMB_clos_tim_offset     35	/* Last mod time           */
#define SMB_clos_bcc_offset     39	/* bcc                     */
#define SMB_clos_len            41

/* Offsets related to Write requests                                 */

#define SMB_write_fid_offset    33	/* FID to write            */
#define SMB_write_cnt_offset    35	/* bytes to write          */
#define SMB_write_ofs_offset    37	/* location to write to    */
#define SMB_write_clf_offset    41	/* advisory count left     */
#define SMB_write_bcc_offset    43	/* bcc = data bytes + 3    */
#define SMB_write_buf_offset    45	/* Data=0x01, len, data    */
#define SMB_write_len           45	/* plus the data ...       */