1#ifndef _REQUEST_H 2#define _REQUEST_H 3/* 4 Unix SMB/CIFS implementation. 5 SMB parameters and setup 6 Copyright (C) Andrew Tridgell 2003 7 Copyright (C) James Myers 2003 <myersjj@samba.org> 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program. If not, see <http://www.gnu.org/licenses/>. 21*/ 22 23#include "libcli/raw/signing.h" 24 25#define BUFINFO_FLAG_UNICODE 0x0001 26#define BUFINFO_FLAG_SMB2 0x0002 27 28/* 29 buffer limit structure used by both SMB and SMB2 30 */ 31struct request_bufinfo { 32 TALLOC_CTX *mem_ctx; 33 uint32_t flags; 34 const uint8_t *align_base; 35 const uint8_t *data; 36 size_t data_size; 37}; 38 39/* 40 Shared state structure between client and server, representing the basic packet. 41*/ 42 43struct smb_request_buffer { 44 /* the raw SMB buffer, including the 4 byte length header */ 45 uint8_t *buffer; 46 47 /* the size of the raw buffer, including 4 byte header */ 48 size_t size; 49 50 /* how much has been allocated - on reply the buffer is over-allocated to 51 prevent too many realloc() calls 52 */ 53 size_t allocated; 54 55 /* the start of the SMB header - this is always buffer+4 */ 56 uint8_t *hdr; 57 58 /* the command words and command word count. vwv points 59 into the raw buffer */ 60 uint8_t *vwv; 61 uint_t wct; 62 63 /* the data buffer and size. data points into the raw buffer */ 64 uint8_t *data; 65 size_t data_size; 66 67 /* ptr is used as a moving pointer into the data area 68 * of the packet. The reason its here and not a local 69 * variable in each function is that when a realloc of 70 * a send packet is done we need to move this 71 * pointer */ 72 uint8_t *ptr; 73 74 /* this is used to range check and align strings and buffers */ 75 struct request_bufinfo bufinfo; 76}; 77 78#endif 79