1 | #ifndef HEADER_CURL_SMB_H |
2 | #define |
3 | /*************************************************************************** |
4 | * _ _ ____ _ |
5 | * Project ___| | | | _ \| | |
6 | * / __| | | | |_) | | |
7 | * | (__| |_| | _ <| |___ |
8 | * \___|\___/|_| \_\_____| |
9 | * |
10 | * Copyright (C) 2018, Bill Nagel <[email protected]>, Exacq Technologies |
11 | * Copyright (C) 2018 - 2022, Daniel Stenberg, <[email protected]>, 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 | * SPDX-License-Identifier: curl |
25 | * |
26 | ***************************************************************************/ |
27 | |
28 | enum smb_conn_state { |
29 | SMB_NOT_CONNECTED = 0, |
30 | SMB_CONNECTING, |
31 | SMB_NEGOTIATE, |
32 | SMB_SETUP, |
33 | SMB_CONNECTED |
34 | }; |
35 | |
36 | struct smb_conn { |
37 | enum smb_conn_state state; |
38 | char *user; |
39 | char *domain; |
40 | char *share; |
41 | unsigned char challenge[8]; |
42 | unsigned int session_key; |
43 | unsigned short uid; |
44 | char *recv_buf; |
45 | size_t upload_size; |
46 | size_t send_size; |
47 | size_t sent; |
48 | size_t got; |
49 | }; |
50 | |
51 | /* |
52 | * Definitions for SMB protocol data structures |
53 | */ |
54 | #ifdef BUILDING_CURL_SMB_C |
55 | |
56 | #if defined(_MSC_VER) || defined(__ILEC400__) |
57 | # define PACK |
58 | # pragma pack(push) |
59 | # pragma pack(1) |
60 | #elif defined(__GNUC__) |
61 | # define PACK __attribute__((packed)) |
62 | #else |
63 | # define PACK |
64 | #endif |
65 | |
66 | #define SMB_COM_CLOSE 0x04 |
67 | #define SMB_COM_READ_ANDX 0x2e |
68 | #define SMB_COM_WRITE_ANDX 0x2f |
69 | #define SMB_COM_TREE_DISCONNECT 0x71 |
70 | #define SMB_COM_NEGOTIATE 0x72 |
71 | #define SMB_COM_SETUP_ANDX 0x73 |
72 | #define SMB_COM_TREE_CONNECT_ANDX 0x75 |
73 | #define SMB_COM_NT_CREATE_ANDX 0xa2 |
74 | #define SMB_COM_NO_ANDX_COMMAND 0xff |
75 | |
76 | #define SMB_WC_CLOSE 0x03 |
77 | #define SMB_WC_READ_ANDX 0x0c |
78 | #define SMB_WC_WRITE_ANDX 0x0e |
79 | #define SMB_WC_SETUP_ANDX 0x0d |
80 | #define SMB_WC_TREE_CONNECT_ANDX 0x04 |
81 | #define SMB_WC_NT_CREATE_ANDX 0x18 |
82 | |
83 | #define SMB_FLAGS_CANONICAL_PATHNAMES 0x10 |
84 | #define SMB_FLAGS_CASELESS_PATHNAMES 0x08 |
85 | #define SMB_FLAGS2_UNICODE_STRINGS 0x8000 |
86 | #define SMB_FLAGS2_IS_LONG_NAME 0x0040 |
87 | #define SMB_FLAGS2_KNOWS_LONG_NAME 0x0001 |
88 | |
89 | #define SMB_CAP_LARGE_FILES 0x08 |
90 | #define SMB_GENERIC_WRITE 0x40000000 |
91 | #define SMB_GENERIC_READ 0x80000000 |
92 | #define SMB_FILE_SHARE_ALL 0x07 |
93 | #define SMB_FILE_OPEN 0x01 |
94 | #define SMB_FILE_OVERWRITE_IF 0x05 |
95 | |
96 | #define SMB_ERR_NOACCESS 0x00050001 |
97 | |
98 | struct smb_header { |
99 | unsigned char nbt_type; |
100 | unsigned char nbt_flags; |
101 | unsigned short nbt_length; |
102 | unsigned char magic[4]; |
103 | unsigned char command; |
104 | unsigned int status; |
105 | unsigned char flags; |
106 | unsigned short flags2; |
107 | unsigned short pid_high; |
108 | unsigned char signature[8]; |
109 | unsigned short pad; |
110 | unsigned short tid; |
111 | unsigned short pid; |
112 | unsigned short uid; |
113 | unsigned short mid; |
114 | } PACK; |
115 | |
116 | struct smb_negotiate_response { |
117 | struct smb_header h; |
118 | unsigned char word_count; |
119 | unsigned short dialect_index; |
120 | unsigned char security_mode; |
121 | unsigned short max_mpx_count; |
122 | unsigned short max_number_vcs; |
123 | unsigned int max_buffer_size; |
124 | unsigned int max_raw_size; |
125 | unsigned int session_key; |
126 | unsigned int capabilities; |
127 | unsigned int system_time_low; |
128 | unsigned int system_time_high; |
129 | unsigned short server_time_zone; |
130 | unsigned char encryption_key_length; |
131 | unsigned short byte_count; |
132 | char bytes[1]; |
133 | } PACK; |
134 | |
135 | struct andx { |
136 | unsigned char command; |
137 | unsigned char pad; |
138 | unsigned short offset; |
139 | } PACK; |
140 | |
141 | struct smb_setup { |
142 | unsigned char word_count; |
143 | struct andx andx; |
144 | unsigned short max_buffer_size; |
145 | unsigned short max_mpx_count; |
146 | unsigned short vc_number; |
147 | unsigned int session_key; |
148 | unsigned short lengths[2]; |
149 | unsigned int pad; |
150 | unsigned int capabilities; |
151 | unsigned short byte_count; |
152 | char bytes[1024]; |
153 | } PACK; |
154 | |
155 | struct smb_tree_connect { |
156 | unsigned char word_count; |
157 | struct andx andx; |
158 | unsigned short flags; |
159 | unsigned short pw_len; |
160 | unsigned short byte_count; |
161 | char bytes[1024]; |
162 | } PACK; |
163 | |
164 | struct smb_nt_create { |
165 | unsigned char word_count; |
166 | struct andx andx; |
167 | unsigned char pad; |
168 | unsigned short name_length; |
169 | unsigned int flags; |
170 | unsigned int root_fid; |
171 | unsigned int access; |
172 | curl_off_t allocation_size; |
173 | unsigned int ext_file_attributes; |
174 | unsigned int share_access; |
175 | unsigned int create_disposition; |
176 | unsigned int create_options; |
177 | unsigned int impersonation_level; |
178 | unsigned char security_flags; |
179 | unsigned short byte_count; |
180 | char bytes[1024]; |
181 | } PACK; |
182 | |
183 | struct smb_nt_create_response { |
184 | struct smb_header h; |
185 | unsigned char word_count; |
186 | struct andx andx; |
187 | unsigned char op_lock_level; |
188 | unsigned short fid; |
189 | unsigned int create_disposition; |
190 | |
191 | curl_off_t create_time; |
192 | curl_off_t last_access_time; |
193 | curl_off_t last_write_time; |
194 | curl_off_t last_change_time; |
195 | unsigned int ext_file_attributes; |
196 | curl_off_t allocation_size; |
197 | curl_off_t end_of_file; |
198 | } PACK; |
199 | |
200 | struct smb_read { |
201 | unsigned char word_count; |
202 | struct andx andx; |
203 | unsigned short fid; |
204 | unsigned int offset; |
205 | unsigned short max_bytes; |
206 | unsigned short min_bytes; |
207 | unsigned int timeout; |
208 | unsigned short remaining; |
209 | unsigned int offset_high; |
210 | unsigned short byte_count; |
211 | } PACK; |
212 | |
213 | struct smb_write { |
214 | struct smb_header h; |
215 | unsigned char word_count; |
216 | struct andx andx; |
217 | unsigned short fid; |
218 | unsigned int offset; |
219 | unsigned int timeout; |
220 | unsigned short write_mode; |
221 | unsigned short remaining; |
222 | unsigned short pad; |
223 | unsigned short data_length; |
224 | unsigned short data_offset; |
225 | unsigned int offset_high; |
226 | unsigned short byte_count; |
227 | unsigned char pad2; |
228 | } PACK; |
229 | |
230 | struct smb_close { |
231 | unsigned char word_count; |
232 | unsigned short fid; |
233 | unsigned int last_mtime; |
234 | unsigned short byte_count; |
235 | } PACK; |
236 | |
237 | struct smb_tree_disconnect { |
238 | unsigned char word_count; |
239 | unsigned short byte_count; |
240 | } PACK; |
241 | |
242 | #if defined(_MSC_VER) || defined(__ILEC400__) |
243 | # pragma pack(pop) |
244 | #endif |
245 | |
246 | #endif /* BUILDING_CURL_SMB_C */ |
247 | |
248 | #if !defined(CURL_DISABLE_SMB) && defined(USE_CURL_NTLM_CORE) && \ |
249 | (SIZEOF_CURL_OFF_T > 4) |
250 | |
251 | extern const struct Curl_handler Curl_handler_smb; |
252 | extern const struct Curl_handler Curl_handler_smbs; |
253 | |
254 | #endif /* CURL_DISABLE_SMB && USE_CURL_NTLM_CORE && |
255 | SIZEOF_CURL_OFF_T > 4 */ |
256 | |
257 | #endif /* HEADER_CURL_SMB_H */ |
258 | |