| 1 | #ifndef HEADER_CURL_SMB_H
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| 2 | #define HEADER_CURL_SMB_H
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| 3 | /***************************************************************************
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| 4 | * _ _ ____ _
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| 5 | * Project ___| | | | _ \| |
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| 6 | * / __| | | | |_) | |
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| 7 | * | (__| |_| | _ <| |___
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| 8 | * \___|\___/|_| \_\_____|
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| 9 | *
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| 10 | * Copyright (C) 2018, Bill Nagel <[email protected]>, Exacq Technologies
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| 11 | * Copyright (C) 2018 - 2022, Daniel Stenberg, <[email protected]>, et al.
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| 12 | *
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| 13 | * This software is licensed as described in the file COPYING, which
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| 14 | * you should have received as part of this distribution. The terms
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| 15 | * are also available at https://curl.se/docs/copyright.html.
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| 16 | *
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| 17 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 18 | * copies of the Software, and permit persons to whom the Software is
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| 19 | * furnished to do so, under the terms of the COPYING file.
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| 20 | *
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| 21 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 22 | * KIND, either express or implied.
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| 23 | *
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| 24 | * SPDX-License-Identifier: curl
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| 25 | *
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| 26 | ***************************************************************************/
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| 27 |
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| 28 | enum smb_conn_state {
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| 29 | SMB_NOT_CONNECTED = 0,
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| 30 | SMB_CONNECTING,
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| 31 | SMB_NEGOTIATE,
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| 32 | SMB_SETUP,
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| 33 | SMB_CONNECTED
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| 34 | };
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| 35 |
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| 36 | struct smb_conn {
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| 37 | enum smb_conn_state state;
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| 38 | char *user;
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| 39 | char *domain;
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| 40 | char *share;
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| 41 | unsigned char challenge[8];
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| 42 | unsigned int session_key;
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| 43 | unsigned short uid;
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| 44 | char *recv_buf;
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| 45 | size_t upload_size;
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| 46 | size_t send_size;
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| 47 | size_t sent;
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| 48 | size_t got;
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| 49 | };
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| 50 |
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| 51 | /*
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| 52 | * Definitions for SMB protocol data structures
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| 53 | */
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| 54 | #ifdef BUILDING_CURL_SMB_C
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| 55 |
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| 56 | #if defined(_MSC_VER) || defined(__ILEC400__)
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| 57 | # define PACK
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| 58 | # pragma pack(push)
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| 59 | # pragma pack(1)
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| 60 | #elif defined(__GNUC__)
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| 61 | # define PACK __attribute__((packed))
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| 62 | #else
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| 63 | # define PACK
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| 64 | #endif
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| 65 |
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| 66 | #define SMB_COM_CLOSE 0x04
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| 67 | #define SMB_COM_READ_ANDX 0x2e
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| 68 | #define SMB_COM_WRITE_ANDX 0x2f
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| 69 | #define SMB_COM_TREE_DISCONNECT 0x71
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| 70 | #define SMB_COM_NEGOTIATE 0x72
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| 71 | #define SMB_COM_SETUP_ANDX 0x73
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| 72 | #define SMB_COM_TREE_CONNECT_ANDX 0x75
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| 73 | #define SMB_COM_NT_CREATE_ANDX 0xa2
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| 74 | #define SMB_COM_NO_ANDX_COMMAND 0xff
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| 75 |
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| 76 | #define SMB_WC_CLOSE 0x03
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| 77 | #define SMB_WC_READ_ANDX 0x0c
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| 78 | #define SMB_WC_WRITE_ANDX 0x0e
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| 79 | #define SMB_WC_SETUP_ANDX 0x0d
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| 80 | #define SMB_WC_TREE_CONNECT_ANDX 0x04
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| 81 | #define SMB_WC_NT_CREATE_ANDX 0x18
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| 82 |
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| 83 | #define SMB_FLAGS_CANONICAL_PATHNAMES 0x10
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| 84 | #define SMB_FLAGS_CASELESS_PATHNAMES 0x08
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| 85 | #define SMB_FLAGS2_UNICODE_STRINGS 0x8000
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| 86 | #define SMB_FLAGS2_IS_LONG_NAME 0x0040
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| 87 | #define SMB_FLAGS2_KNOWS_LONG_NAME 0x0001
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| 88 |
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| 89 | #define SMB_CAP_LARGE_FILES 0x08
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| 90 | #define SMB_GENERIC_WRITE 0x40000000
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| 91 | #define SMB_GENERIC_READ 0x80000000
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| 92 | #define SMB_FILE_SHARE_ALL 0x07
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| 93 | #define SMB_FILE_OPEN 0x01
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| 94 | #define SMB_FILE_OVERWRITE_IF 0x05
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| 95 |
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| 96 | #define SMB_ERR_NOACCESS 0x00050001
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| 97 |
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| 98 | struct smb_header {
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| 99 | unsigned char nbt_type;
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| 100 | unsigned char nbt_flags;
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| 101 | unsigned short nbt_length;
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| 102 | unsigned char magic[4];
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| 103 | unsigned char command;
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| 104 | unsigned int status;
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| 105 | unsigned char flags;
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| 106 | unsigned short flags2;
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| 107 | unsigned short pid_high;
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| 108 | unsigned char signature[8];
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| 109 | unsigned short pad;
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| 110 | unsigned short tid;
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| 111 | unsigned short pid;
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| 112 | unsigned short uid;
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| 113 | unsigned short mid;
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| 114 | } PACK;
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| 115 |
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| 116 | struct smb_negotiate_response {
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| 117 | struct smb_header h;
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| 118 | unsigned char word_count;
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| 119 | unsigned short dialect_index;
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| 120 | unsigned char security_mode;
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| 121 | unsigned short max_mpx_count;
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| 122 | unsigned short max_number_vcs;
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| 123 | unsigned int max_buffer_size;
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| 124 | unsigned int max_raw_size;
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| 125 | unsigned int session_key;
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| 126 | unsigned int capabilities;
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| 127 | unsigned int system_time_low;
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| 128 | unsigned int system_time_high;
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| 129 | unsigned short server_time_zone;
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| 130 | unsigned char encryption_key_length;
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| 131 | unsigned short byte_count;
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| 132 | char bytes[1];
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| 133 | } PACK;
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| 134 |
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| 135 | struct andx {
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| 136 | unsigned char command;
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| 137 | unsigned char pad;
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| 138 | unsigned short offset;
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| 139 | } PACK;
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| 140 |
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| 141 | struct smb_setup {
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| 142 | unsigned char word_count;
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| 143 | struct andx andx;
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| 144 | unsigned short max_buffer_size;
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| 145 | unsigned short max_mpx_count;
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| 146 | unsigned short vc_number;
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| 147 | unsigned int session_key;
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| 148 | unsigned short lengths[2];
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| 149 | unsigned int pad;
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| 150 | unsigned int capabilities;
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| 151 | unsigned short byte_count;
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| 152 | char bytes[1024];
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| 153 | } PACK;
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| 154 |
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| 155 | struct smb_tree_connect {
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| 156 | unsigned char word_count;
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| 157 | struct andx andx;
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| 158 | unsigned short flags;
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| 159 | unsigned short pw_len;
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| 160 | unsigned short byte_count;
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| 161 | char bytes[1024];
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| 162 | } PACK;
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| 163 |
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| 164 | struct smb_nt_create {
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| 165 | unsigned char word_count;
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| 166 | struct andx andx;
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| 167 | unsigned char pad;
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| 168 | unsigned short name_length;
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| 169 | unsigned int flags;
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| 170 | unsigned int root_fid;
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| 171 | unsigned int access;
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| 172 | curl_off_t allocation_size;
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| 173 | unsigned int ext_file_attributes;
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| 174 | unsigned int share_access;
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| 175 | unsigned int create_disposition;
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| 176 | unsigned int create_options;
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| 177 | unsigned int impersonation_level;
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| 178 | unsigned char security_flags;
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| 179 | unsigned short byte_count;
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| 180 | char bytes[1024];
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| 181 | } PACK;
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| 182 |
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| 183 | struct smb_nt_create_response {
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| 184 | struct smb_header h;
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| 185 | unsigned char word_count;
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| 186 | struct andx andx;
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| 187 | unsigned char op_lock_level;
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| 188 | unsigned short fid;
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| 189 | unsigned int create_disposition;
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| 190 |
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| 191 | curl_off_t create_time;
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| 192 | curl_off_t last_access_time;
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| 193 | curl_off_t last_write_time;
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| 194 | curl_off_t last_change_time;
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| 195 | unsigned int ext_file_attributes;
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| 196 | curl_off_t allocation_size;
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| 197 | curl_off_t end_of_file;
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| 198 | } PACK;
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| 199 |
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| 200 | struct smb_read {
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| 201 | unsigned char word_count;
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| 202 | struct andx andx;
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| 203 | unsigned short fid;
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| 204 | unsigned int offset;
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| 205 | unsigned short max_bytes;
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| 206 | unsigned short min_bytes;
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| 207 | unsigned int timeout;
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| 208 | unsigned short remaining;
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| 209 | unsigned int offset_high;
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| 210 | unsigned short byte_count;
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| 211 | } PACK;
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| 212 |
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| 213 | struct smb_write {
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| 214 | struct smb_header h;
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| 215 | unsigned char word_count;
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| 216 | struct andx andx;
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| 217 | unsigned short fid;
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| 218 | unsigned int offset;
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| 219 | unsigned int timeout;
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| 220 | unsigned short write_mode;
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| 221 | unsigned short remaining;
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| 222 | unsigned short pad;
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| 223 | unsigned short data_length;
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| 224 | unsigned short data_offset;
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| 225 | unsigned int offset_high;
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| 226 | unsigned short byte_count;
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| 227 | unsigned char pad2;
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| 228 | } PACK;
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| 229 |
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| 230 | struct smb_close {
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| 231 | unsigned char word_count;
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| 232 | unsigned short fid;
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| 233 | unsigned int last_mtime;
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| 234 | unsigned short byte_count;
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| 235 | } PACK;
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| 236 |
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| 237 | struct smb_tree_disconnect {
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| 238 | unsigned char word_count;
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| 239 | unsigned short byte_count;
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| 240 | } PACK;
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| 241 |
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| 242 | #if defined(_MSC_VER) || defined(__ILEC400__)
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| 243 | # pragma pack(pop)
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| 244 | #endif
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| 245 |
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| 246 | #endif /* BUILDING_CURL_SMB_C */
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| 247 |
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| 248 | #if !defined(CURL_DISABLE_SMB) && defined(USE_CURL_NTLM_CORE) && \
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| 249 | (SIZEOF_CURL_OFF_T > 4)
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| 250 |
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| 251 | extern const struct Curl_handler Curl_handler_smb;
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| 252 | extern const struct Curl_handler Curl_handler_smbs;
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| 253 |
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| 254 | #endif /* CURL_DISABLE_SMB && USE_CURL_NTLM_CORE &&
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| 255 | SIZEOF_CURL_OFF_T > 4 */
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| 256 |
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| 257 | #endif /* HEADER_CURL_SMB_H */
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