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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, 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.haxx.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 
26 enum smb_conn_state {
27   SMB_NOT_CONNECTED = 0,
28   SMB_CONNECTING,
29   SMB_NEGOTIATE,
30   SMB_SETUP,
31   SMB_CONNECTED
32 };
33 
34 struct 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 
96 struct 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 
114 struct 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 
133 struct andx {
134   unsigned char command;
135   unsigned char pad;
136   unsigned short offset;
137 } PACK;
138 
139 struct 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 
153 struct 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 
162 struct 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 
181 struct 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 
197 } PACK;
198 
199 struct smb_read {
200   unsigned char word_count;
201   struct andx andx;
202   unsigned short fid;
203   unsigned int offset;
204   unsigned short max_bytes;
205   unsigned short min_bytes;
206   unsigned int timeout;
207   unsigned short remaining;
208   unsigned int offset_high;
209   unsigned short byte_count;
210 } PACK;
211 
212 struct smb_write {
213   struct smb_header h;
214   unsigned char word_count;
215   struct andx andx;
216   unsigned short fid;
217   unsigned int offset;
218   unsigned int timeout;
219   unsigned short write_mode;
220   unsigned short remaining;
221   unsigned short pad;
222   unsigned short data_length;
223   unsigned short data_offset;
224   unsigned int offset_high;
225   unsigned short byte_count;
226   unsigned char pad2;
227 } PACK;
228 
229 struct smb_close {
230   unsigned char word_count;
231   unsigned short fid;
232   unsigned int last_mtime;
233   unsigned short byte_count;
234 } PACK;
235 
236 struct smb_tree_disconnect {
237   unsigned char word_count;
238   unsigned short byte_count;
239 } PACK;
240 
241 #if defined(_MSC_VER) || defined(__ILEC400__)
242 #  pragma pack(pop)
243 #endif
244 
245 #endif /* BUILDING_CURL_SMB_C */
246 
247 #if !defined(CURL_DISABLE_SMB) && defined(USE_NTLM) && \
248     (CURL_SIZEOF_CURL_OFF_T > 4)
249 
250 #if !defined(USE_WINDOWS_SSPI) || defined(USE_WIN32_CRYPTO)
251 
252 extern const struct Curl_handler Curl_handler_smb;
253 extern const struct Curl_handler Curl_handler_smbs;
254 
255 #endif /* !USE_WINDOWS_SSPI || USE_WIN32_CRYPTO */
256 
257 #endif /* CURL_DISABLE_SMB && USE_NTLM && CURL_SIZEOF_CURL_OFF_T > 4 */
258 
259 #endif /* HEADER_CURL_SMB_H */
260