1 /* UNIX SMBlib NetBIOS implementation
6 Copyright (C) Richard Sharpe 1996
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include "smblib-common.h"
27 #include <sys/types.h>
30 typedef unsigned short uint16;
31 typedef unsigned int uint32;
33 #include "byteorder.h" /* Hmmm ... hot good */
35 #define SMB_DEF_IDF 0x424D53FF /* "\377SMB" */
37 /* The protocol commands and constants we need */
38 #define SMBnegprot 0x72 /* negotiate protocol */
39 #define SMBsesssetupX 0x73 /* Session Set Up & X (including User Logon) */
40 #define SMBdialectID 0x02 /* a dialect id */
42 typedef unsigned short WORD;
43 typedef unsigned short UWORD;
44 typedef unsigned int ULONG;
45 typedef unsigned char BYTE;
46 typedef unsigned char UCHAR;
48 /* Some macros to allow access to actual packet data so that we */
49 /* can change the underlying representation of packets. */
51 /* The current formats vying for attention are a fragment */
52 /* approach where the SMB header is a fragment linked to the */
53 /* data portion with the transport protocol (rfcnb or whatever) */
54 /* being linked on the front. */
56 /* The other approach is where the whole packet is one array */
57 /* of bytes with space allowed on the front for the packet */
60 #define SMB_Hdr(p) (char *)(p -> data)
62 /* SMB Hdr def for File Sharing Protocol? From MS and Intel, */
63 /* Intel PN 138446 Doc Version 2.0, Nov 7, 1988. This def also */
64 /* applies to LANMAN1.0 as well as the Core Protocol */
65 /* The spec states that wct and bcc must be present, even if 0 */
67 /* We define these as offsets into a char SMB[] array for the */
68 /* sake of portability */
70 /* NOTE!. Some of the lenght defines, SMB_<protreq>_len do not include */
71 /* the data that follows in the SMB packet, so the code will have to */
72 /* take that into account. */
74 #define SMB_hdr_idf_offset 0 /* 0xFF,'SMB' 0-3 */
75 #define SMB_hdr_com_offset 4 /* BYTE 4 */
76 #define SMB_hdr_rcls_offset 5 /* BYTE 5 */
77 #define SMB_hdr_reh_offset 6 /* BYTE 6 */
78 #define SMB_hdr_err_offset 7 /* WORD 7 */
79 #define SMB_hdr_reb_offset 9 /* BYTE 9 */
80 #define SMB_hdr_flg_offset 9 /* same as reb ...*/
81 #define SMB_hdr_res_offset 10 /* 7 WORDs 10 */
82 #define SMB_hdr_res0_offset 10 /* WORD 10 */
83 #define SMB_hdr_flg2_offset 10 /* WORD */
84 #define SMB_hdr_res1_offset 12 /* WORD 12 */
85 #define SMB_hdr_res2_offset 14
86 #define SMB_hdr_res3_offset 16
87 #define SMB_hdr_res4_offset 18
88 #define SMB_hdr_res5_offset 20
89 #define SMB_hdr_res6_offset 22
90 #define SMB_hdr_tid_offset 24
91 #define SMB_hdr_pid_offset 26
92 #define SMB_hdr_uid_offset 28
93 #define SMB_hdr_mid_offset 30
94 #define SMB_hdr_wct_offset 32
96 #define SMB_hdr_len 33 /* 33 byte header? */
98 #define SMB_hdr_axc_offset 33 /* AndX Command */
99 #define SMB_hdr_axr_offset 34 /* AndX Reserved */
100 #define SMB_hdr_axo_offset 35 /* Offset from start to WCT of AndX cmd */
102 /* Format of the Negotiate Protocol SMB */
104 #define SMB_negp_bcc_offset 33
105 #define SMB_negp_buf_offset 35 /* Where the buffer starts */
106 #define SMB_negp_len 35 /* plus the data */
108 /* Format of the Negotiate Response SMB, for CoreProtocol, LM1.2 and */
109 /* NT LM 0.12. wct will be 1 for CoreProtocol, 13 for LM 1.2, and 17 */
112 #define SMB_negrCP_idx_offset 33 /* Response to the neg req */
113 #define SMB_negrCP_bcc_offset 35
114 #define SMB_negrLM_idx_offset 33 /* dialect index */
115 #define SMB_negrLM_sec_offset 35 /* Security mode */
116 #define SMB_sec_user_mask 0x01 /* 0 = share, 1 = user */
117 #define SMB_sec_encrypt_mask 0x02 /* pick out encrypt */
118 #define SMB_negrLM_mbs_offset 37 /* max buffer size */
119 #define SMB_negrLM_mmc_offset 39 /* max mpx count */
120 #define SMB_negrLM_mnv_offset 41 /* max number of VCs */
121 #define SMB_negrLM_rm_offset 43 /* raw mode support bit vec*/
122 #define SMB_negrLM_sk_offset 45 /* session key, 32 bits */
123 #define SMB_negrLM_st_offset 49 /* Current server time */
124 #define SMB_negrLM_sd_offset 51 /* Current server date */
125 #define SMB_negrLM_stz_offset 53 /* Server Time Zone */
126 #define SMB_negrLM_ekl_offset 55 /* encryption key length */
127 #define SMB_negrLM_res_offset 57 /* reserved */
128 #define SMB_negrLM_bcc_offset 59 /* bcc */
129 #define SMB_negrLM_len 61 /* 61 bytes ? */
130 #define SMB_negrLM_buf_offset 61 /* Where the fun begins */
132 #define SMB_negrNTLM_idx_offset 33 /* Selected protocol */
133 #define SMB_negrNTLM_sec_offset 35 /* Security more */
134 #define SMB_negrNTLM_mmc_offset 36 /* Different format above */
135 #define SMB_negrNTLM_mnv_offset 38 /* Max VCs */
136 #define SMB_negrNTLM_mbs_offset 40 /* MBS now a long */
137 #define SMB_negrNTLM_mrs_offset 44 /* Max raw size */
138 #define SMB_negrNTLM_sk_offset 48 /* Session Key */
139 #define SMB_negrNTLM_cap_offset 52 /* Capabilities */
140 #define SMB_negrNTLM_stl_offset 56 /* Server time low */
141 #define SMB_negrNTLM_sth_offset 60 /* Server time high */
142 #define SMB_negrNTLM_stz_offset 64 /* Server time zone */
143 #define SMB_negrNTLM_ekl_offset 66 /* Encrypt key len */
144 #define SMB_negrNTLM_bcc_offset 67 /* Bcc */
145 #define SMB_negrNTLM_len 69
146 #define SMB_negrNTLM_buf_offset 69
148 /* Offsets for Delete file */
150 #define SMB_delet_sat_offset 33 /* search attribites */
151 #define SMB_delet_bcc_offset 35 /* bcc */
152 #define SMB_delet_buf_offset 37
153 #define SMB_delet_len 37
155 /* Offsets for SESSION_SETUP_ANDX for both LM and NT LM protocols */
157 #define SMB_ssetpLM_mbs_offset 37 /* Max buffer Size, allow for AndX */
158 #define SMB_ssetpLM_mmc_offset 39 /* max multiplex count */
159 #define SMB_ssetpLM_vcn_offset 41 /* VC number if new VC */
160 #define SMB_ssetpLM_snk_offset 43 /* Session Key */
161 #define SMB_ssetpLM_pwl_offset 47 /* password length */
162 #define SMB_ssetpLM_res_offset 49 /* reserved */
163 #define SMB_ssetpLM_bcc_offset 53 /* bcc */
164 #define SMB_ssetpLM_len 55 /* before data ... */
165 #define SMB_ssetpLM_buf_offset 55
167 #define SMB_ssetpNTLM_mbs_offset 37 /* Max Buffer Size for NT LM 0.12 */
169 #define SMB_ssetpNTLM_mmc_offset 39 /* Max Multiplex count */
170 #define SMB_ssetpNTLM_vcn_offset 41 /* VC Number */
171 #define SMB_ssetpNTLM_snk_offset 43 /* Session key */
172 #define SMB_ssetpNTLM_cipl_offset 47 /* Case Insensitive PW Len */
173 #define SMB_ssetpNTLM_cspl_offset 49 /* Unicode pw len */
174 #define SMB_ssetpNTLM_res_offset 51 /* reserved */
175 #define SMB_ssetpNTLM_cap_offset 55 /* server capabilities */
176 #define SMB_ssetpNTLM_bcc_offset 59 /* bcc */
177 #define SMB_ssetpNTLM_len 61 /* before data */
178 #define SMB_ssetpNTLM_buf_offset 61
180 #define SMB_ssetpr_axo_offset 35 /* Offset of next response ... */
181 #define SMB_ssetpr_act_offset 37 /* action, bit 0 = 1 => guest */
182 #define SMB_ssetpr_bcc_offset 39 /* bcc */
183 #define SMB_ssetpr_buf_offset 41 /* Native OS etc */
185 /* The following two arrays need to be in step! */
186 /* We must make it possible for callers to specify these ... */
188 extern const char *SMB_Prots[];
189 extern int SMB_Types[];
191 typedef struct SMB_Connect_Def * SMB_Handle_Type;
193 struct SMB_Connect_Def {
195 SMB_Handle_Type Next_Con, Prev_Con; /* Next and previous conn */
196 int protocol; /* What is the protocol */
197 int prot_IDX; /* And what is the index */
198 void *Trans_Connect; /* The connection */
200 /* All these strings should be malloc'd */
202 char service[80], username[80], password[80], desthost[80], sock_options[80];
203 char address[80], myname[80];
205 int gid; /* Group ID, do we need it? */
206 int mid; /* Multiplex ID? We might need one per con */
207 int pid; /* Process ID */
209 int uid; /* Authenticated user id. */
211 /* It is pretty clear that we need to bust some of */
212 /* these out into a per TCon record, as there may */
213 /* be multiple TCon's per server, etc ... later */
215 int port; /* port to use in case not default, this is a TCPism! */
217 int max_xmit; /* Max xmit permitted by server */
218 int Security; /* 0 = share, 1 = user */
219 int Raw_Support; /* bit 0 = 1 = Read Raw supported, 1 = 1 Write raw */
220 bool encrypt_passwords; /* false = don't */
221 int MaxMPX, MaxVC, MaxRaw;
222 unsigned int SessionKey, Capabilities;
223 int SvrTZ; /* Server Time Zone */
225 char Encrypt_Key[80], Domain[80], PDomain[80], OSName[80], LMType[40];
226 char Svr_OS[80], Svr_LMType[80], Svr_PDom[80];
230 #define SMBLIB_DEFAULT_OSNAME "UNIX of some type"
231 #define SMBLIB_DEFAULT_LMTYPE "SMBlib LM2.1 minus a bit"
232 #define SMBLIB_MAX_XMIT 65535
234 /* global Variables for the library */
237 extern int SMBlib_errno;
238 extern int SMBlib_SMB_Error; /* last Error */
242 void E_P16(unsigned char *, unsigned char *);
243 void E_P24(unsigned char *, unsigned char *, unsigned char *);
245 /* From smblib-util.c. */
246 void SMB_Get_My_Name(char *name, int len);
248 /* From smbencrypt.c. */
249 void SMBencrypt(unsigned char *passwd, unsigned char *, unsigned char *);