2 Unix SMB/Netbios implementation.
4 SMB parameters and setup
5 Copyright (C) Andrew Tridgell 1992-1997
6 Modified by Jeremy Allison 1995.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include "smblib-priv.h"
24 #define uchar unsigned char
25 extern int DEBUGLEVEL;
34 #include "byteorder.h"
36 char *StrnCpy(char *dest,char *src,int n);
37 void strupper(char *s);
40 This implements the X/Open SMB password encryption
41 It takes a password, a 8 byte "crypt key" and puts 24 bytes of
42 encrypted password into p24 */
43 void SMBencrypt(uchar *passwd, uchar *c8, uchar *p24)
45 uchar p14[15], p21[21];
49 StrnCpy((char *)p14,(char *)passwd,14);
51 strupper((char *)p14);
56 /* Routines for Windows NT MD4 Hash functions. */
57 static int _my_wcslen(int16 *str)
66 * Convert a string into an NT UNICODE string.
67 * Note that regardless of processor type
68 * this must be in intel (little-endian)
72 static int _my_mbstowcs(int16 *dst, uchar *src, int len)
77 for(i = 0; i < len; i++) {
89 * Creates the MD4 Hash of the users password in NT UNICODE.
92 void E_md4hash(uchar *passwd, uchar *p16)
97 /* Password cannot be longer than 128 characters */
98 len = strlen((char *)passwd);
101 /* Password must be converted to NT unicode */
102 _my_mbstowcs(wpwd, passwd, len);
103 wpwd[len] = 0; /* Ensure string is null terminated */
104 /* Calculate length in bytes */
105 len = _my_wcslen(wpwd) * sizeof(int16);
107 mdfour(p16, (unsigned char *)wpwd, len);
110 /* Does the NT MD4 hash then des encryption. */
112 void SMBNTencrypt(uchar *passwd, uchar *c8, uchar *p24)
118 E_md4hash(passwd, p21);
122 /* Does both the NT and LM owfs of a user's password */
124 void nt_lm_owf_gen(char *pwd, char *nt_p16, char *p16)
127 StrnCpy(passwd, pwd, sizeof(passwd)-1);
129 /* Calculate the MD4 hash (NT compatible) of the password */
130 memset(nt_p16, '\0', 16);
131 E_md4hash((uchar *)passwd, (uchar *)nt_p16);
133 /* Mangle the passwords into Lanman format */
137 /* Calculate the SMB (lanman) hash functions of the password */
139 memset(p16, '\0', 16);
140 E_P16((uchar *) passwd, (uchar *)p16);
142 /* clear out local copy of user's password (just being paranoid). */
143 bzero(passwd, sizeof(passwd));
146 /****************************************************************************
147 line strncpy but always null terminates. Make sure there is room!
148 ****************************************************************************/
149 char *StrnCpy(char *dest,char *src,int n)
152 if (!dest) return(NULL);
157 while (n-- && (*d++ = *src++)) ;
162 void strupper(char *s)
167 #if !defined(KANJI_WIN95_COMPATIBILITY)
168 if(lp_client_code_page() == KANJI_CODEPAGE)
171 if (is_shift_jis (*s))
173 if (is_sj_lower (s[0], s[1]))
174 s[1] = sj_toupper2 (s[1]);
177 else if (is_kana (*s))
189 #endif */ /* KANJI_WIN95_COMPATIBILITY */