1#ifndef HEADER_CURL_SMB_H
2#define HEADER_CURL_SMB_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 2014, Bill Nagel <wnagel@tycoint.com>, Exacq Technologies
11 * Copyright (C) 2018 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
12 *
13 * This software is licensed as described in the file COPYING, which
14 * you should have received as part of this distribution. The terms
15 * are also available at https://curl.se/docs/copyright.html.
16 *
17 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
18 * copies of the Software, and permit persons to whom the Software is
19 * furnished to do so, under the terms of the COPYING file.
20 *
21 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
22 * KIND, either express or implied.
23 *
24 ***************************************************************************/
25
26enum smb_conn_state {
27 SMB_NOT_CONNECTED = 0,
28 SMB_CONNECTING,
29 SMB_NEGOTIATE,
30 SMB_SETUP,
31 SMB_CONNECTED
32};
33
34struct smb_conn {
35 enum smb_conn_state state;
36 char *user;
37 char *domain;
38 char *share;
39 unsigned char challenge[8];
40 unsigned int session_key;
41 unsigned short uid;
42 char *recv_buf;
43 size_t upload_size;
44 size_t send_size;
45 size_t sent;
46 size_t got;
47};
48
49/*
50 * Definitions for SMB protocol data structures
51 */
52#ifdef BUILDING_CURL_SMB_C
53
54#if defined(_MSC_VER) || defined(__ILEC400__)
55# define PACK
56# pragma pack(push)
57# pragma pack(1)
58#elif defined(__GNUC__)
59# define PACK __attribute__((packed))
60#else
61# define PACK
62#endif
63
64#define SMB_COM_CLOSE 0x04
65#define SMB_COM_READ_ANDX 0x2e
66#define SMB_COM_WRITE_ANDX 0x2f
67#define SMB_COM_TREE_DISCONNECT 0x71
68#define SMB_COM_NEGOTIATE 0x72
69#define SMB_COM_SETUP_ANDX 0x73
70#define SMB_COM_TREE_CONNECT_ANDX 0x75
71#define SMB_COM_NT_CREATE_ANDX 0xa2
72#define SMB_COM_NO_ANDX_COMMAND 0xff
73
74#define SMB_WC_CLOSE 0x03
75#define SMB_WC_READ_ANDX 0x0c
76#define SMB_WC_WRITE_ANDX 0x0e
77#define SMB_WC_SETUP_ANDX 0x0d
78#define SMB_WC_TREE_CONNECT_ANDX 0x04
79#define SMB_WC_NT_CREATE_ANDX 0x18
80
81#define SMB_FLAGS_CANONICAL_PATHNAMES 0x10
82#define SMB_FLAGS_CASELESS_PATHNAMES 0x08
83#define SMB_FLAGS2_UNICODE_STRINGS 0x8000
84#define SMB_FLAGS2_IS_LONG_NAME 0x0040
85#define SMB_FLAGS2_KNOWS_LONG_NAME 0x0001
86
87#define SMB_CAP_LARGE_FILES 0x08
88#define SMB_GENERIC_WRITE 0x40000000
89#define SMB_GENERIC_READ 0x80000000
90#define SMB_FILE_SHARE_ALL 0x07
91#define SMB_FILE_OPEN 0x01
92#define SMB_FILE_OVERWRITE_IF 0x05
93
94#define SMB_ERR_NOACCESS 0x00050001
95
96struct smb_header {
97 unsigned char nbt_type;
98 unsigned char nbt_flags;
99 unsigned short nbt_length;
100 unsigned char magic[4];
101 unsigned char command;
102 unsigned int status;
103 unsigned char flags;
104 unsigned short flags2;
105 unsigned short pid_high;
106 unsigned char signature[8];
107 unsigned short pad;
108 unsigned short tid;
109 unsigned short pid;
110 unsigned short uid;
111 unsigned short mid;
112} PACK;
113
114struct smb_negotiate_response {
115 struct smb_header h;
116 unsigned char word_count;
117 unsigned short dialect_index;
118 unsigned char security_mode;
119 unsigned short max_mpx_count;
120 unsigned short max_number_vcs;
121 unsigned int max_buffer_size;
122 unsigned int max_raw_size;
123 unsigned int session_key;
124 unsigned int capabilities;
125 unsigned int system_time_low;
126 unsigned int system_time_high;
127 unsigned short server_time_zone;
128 unsigned char encryption_key_length;
129 unsigned short byte_count;
130 char bytes[1];
131} PACK;
132
133struct andx {
134 unsigned char command;
135 unsigned char pad;
136 unsigned short offset;
137} PACK;
138
139struct smb_setup {
140 unsigned char word_count;
141 struct andx andx;
142 unsigned short max_buffer_size;
143 unsigned short max_mpx_count;
144 unsigned short vc_number;
145 unsigned int session_key;
146 unsigned short lengths[2];
147 unsigned int pad;
148 unsigned int capabilities;
149 unsigned short byte_count;
150 char bytes[1024];
151} PACK;
152
153struct smb_tree_connect {
154 unsigned char word_count;
155 struct andx andx;
156 unsigned short flags;
157 unsigned short pw_len;
158 unsigned short byte_count;
159 char bytes[1024];
160} PACK;
161
162struct smb_nt_create {
163 unsigned char word_count;
164 struct andx andx;
165 unsigned char pad;
166 unsigned short name_length;
167 unsigned int flags;
168 unsigned int root_fid;
169 unsigned int access;
170 curl_off_t allocation_size;
171 unsigned int ext_file_attributes;
172 unsigned int share_access;
173 unsigned int create_disposition;
174 unsigned int create_options;
175 unsigned int impersonation_level;
176 unsigned char security_flags;
177 unsigned short byte_count;
178 char bytes[1024];
179} PACK;
180
181struct smb_nt_create_response {
182 struct smb_header h;
183 unsigned char word_count;
184 struct andx andx;
185 unsigned char op_lock_level;
186 unsigned short fid;
187 unsigned int create_disposition;
188
189 curl_off_t create_time;
190 curl_off_t last_access_time;
191 curl_off_t last_write_time;
192 curl_off_t last_change_time;
193 unsigned int ext_file_attributes;
194 curl_off_t allocation_size;
195 curl_off_t end_of_file;
196} PACK;
197
198struct smb_read {
199 unsigned char word_count;
200 struct andx andx;
201 unsigned short fid;
202 unsigned int offset;
203 unsigned short max_bytes;
204 unsigned short min_bytes;
205 unsigned int timeout;
206 unsigned short remaining;
207 unsigned int offset_high;
208 unsigned short byte_count;
209} PACK;
210
211struct smb_write {
212 struct smb_header h;
213 unsigned char word_count;
214 struct andx andx;
215 unsigned short fid;
216 unsigned int offset;
217 unsigned int timeout;
218 unsigned short write_mode;
219 unsigned short remaining;
220 unsigned short pad;
221 unsigned short data_length;
222 unsigned short data_offset;
223 unsigned int offset_high;
224 unsigned short byte_count;
225 unsigned char pad2;
226} PACK;
227
228struct smb_close {
229 unsigned char word_count;
230 unsigned short fid;
231 unsigned int last_mtime;
232 unsigned short byte_count;
233} PACK;
234
235struct smb_tree_disconnect {
236 unsigned char word_count;
237 unsigned short byte_count;
238} PACK;
239
240#if defined(_MSC_VER) || defined(__ILEC400__)
241# pragma pack(pop)
242#endif
243
244#endif /* BUILDING_CURL_SMB_C */
245
246#if !defined(CURL_DISABLE_SMB) && defined(USE_CURL_NTLM_CORE) && \
247 (SIZEOF_CURL_OFF_T > 4)
248
249extern const struct Curl_handler Curl_handler_smb;
250extern const struct Curl_handler Curl_handler_smbs;
251
252#endif /* CURL_DISABLE_SMB && USE_CURL_NTLM_CORE &&
253 SIZEOF_CURL_OFF_T > 4 */
254
255#endif /* HEADER_CURL_SMB_H */
256