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661d7dfa | 1 | /* $Cambridge: exim/src/src/auths/auth-spa.c,v 1.3 2005/08/02 13:23:19 ph10 Exp $ */ |
0756eb3c PH |
2 | |
3 | /************************************************* | |
4 | * Exim - an Internet mail transport agent * | |
5 | *************************************************/ | |
6 | ||
7 | /* | |
8 | * This file provides the necessary methods for authenticating with | |
9 | * Microsoft's Secure Password Authentication. | |
10 | ||
11 | * All the original code used here was torn by Marc Prud'hommeaux out of the | |
12 | * Samba project (by Andrew Tridgell, Jeremy Allison, and others). | |
13 | ||
14 | * Tom Kistner provided additional code, adding spa_build_auth_challenge() to | |
15 | * support server authentication mode. | |
16 | ||
17 | * Mark Lyda provided a patch to solve this problem: | |
18 | ||
19 | - Exim is indicating in its Authentication Request message (Type 1) that it | |
20 | can transmit text in either Unicode or OEM format. | |
21 | ||
22 | - Microsoft's SMTP server (smtp.email.msn.com) is responding in its | |
23 | Challenge message (Type 2) that it will be expecting the OEM format. | |
24 | ||
25 | - Exim does not pay attention to the text format requested by Microsoft's | |
26 | SMTP server and, instead, defaults to using the Unicode format. | |
27 | ||
28 | * References: | |
29 | * http://www.innovation.ch/java/ntlm.html | |
30 | * http://www.kuro5hin.org/story/2002/4/28/1436/66154 | |
31 | ||
32 | * It seems that some systems have existing but different definitions of some | |
33 | * of the following types. I received a complaint about "int16" causing | |
34 | * compilation problems. So I (PH) have renamed them all, to be on the safe | |
35 | * side, by adding 'x' on the end. | |
36 | ||
37 | * typedef signed short int16; | |
38 | * typedef unsigned short uint16; | |
39 | * typedef unsigned uint32; | |
40 | * typedef unsigned char uint8; | |
41 | ||
42 | * The API is extremely simple: | |
43 | * 1. Form a SPA authentication request based on the username | |
44 | * and (optional) domain | |
45 | * 2. Send the request to the server and get an SPA challenge | |
46 | * 3. Build the challenge response and send it back. | |
47 | * | |
48 | * Example usage is as | |
49 | * follows: | |
50 | * | |
51 | int main (int argc, char ** argv) | |
52 | { | |
53 | SPAAuthRequest request; | |
54 | SPAAuthChallenge challenge; | |
55 | SPAAuthResponse response; | |
56 | char msgbuf[2048]; | |
57 | char buffer[512]; | |
58 | char *username, *password, *domain, *challenge_str; | |
59 | ||
60 | if (argc < 3) | |
61 | { | |
62 | printf ("Usage: %s <username> <password> [SPA Challenge]\n", | |
63 | argv [0]); | |
64 | exit (1); | |
65 | } | |
66 | ||
67 | username = argv [1]; | |
68 | password = argv [2]; | |
69 | domain = 0; | |
70 | ||
71 | spa_build_auth_request (&request, username, domain); | |
72 | ||
73 | spa_bits_to_base64 (msgbuf, (unsigned char*)&request, | |
74 | spa_request_length(&request)); | |
75 | ||
76 | printf ("SPA Login request for username=%s:\n %s\n", | |
77 | argv [1], msgbuf); | |
78 | ||
79 | if (argc < 4) | |
80 | { | |
81 | printf ("Run: %s <username> <password> [NTLM Challenge] " \ | |
82 | "to complete authenitcation\n", argv [0]); | |
83 | exit (0); | |
84 | } | |
85 | ||
86 | challenge_str = argv [3]; | |
87 | ||
661d7dfa PH |
88 | if (spa_base64_to_bits ((char *)&challenge, sizeof(challenge), |
89 | (const char *)(challenge_str))<0) | |
90 | { | |
91 | printf("bad base64 data in challenge: %s\n", challenge_str); | |
92 | exit (1); | |
93 | } | |
94 | ||
0756eb3c PH |
95 | spa_build_auth_response (&challenge, &response, username, password); |
96 | spa_bits_to_base64 (msgbuf, (unsigned char*)&response, | |
97 | spa_request_length(&response)); | |
98 | ||
99 | printf ("SPA Response to challenge:\n %s\n for " \ | |
100 | "username=%s, password=%s:\n %s\n", | |
101 | argv[3], argv [1], argv [2], msgbuf); | |
102 | return 0; | |
103 | } | |
104 | * | |
105 | * | |
106 | * All the client code used here was torn by Marc Prud'hommeaux out of the | |
107 | * Samba project (by Andrew Tridgell, Jeremy Allison, and others). | |
108 | * Previous comments are below: | |
109 | */ | |
110 | ||
111 | /* | |
112 | Unix SMB/Netbios implementation. | |
113 | Version 1.9. | |
114 | ||
115 | a partial implementation of DES designed for use in the | |
116 | SMB authentication protocol | |
117 | ||
118 | Copyright (C) Andrew Tridgell 1998 | |
119 | ||
120 | This program is free software; you can redistribute it and/or modify | |
121 | it under the terms of the GNU General Public License as published by | |
122 | the Free Software Foundation; either version 2 of the License, or | |
123 | (at your option) any later version. | |
124 | ||
125 | This program is distributed in the hope that it will be useful, | |
126 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
127 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
128 | GNU General Public License for more details. | |
129 | ||
130 | You should have received a copy of the GNU General Public License | |
131 | along with this program; if not, write to the Free Software | |
132 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
133 | */ | |
134 | ||
135 | ||
136 | /* NOTES: | |
137 | ||
138 | This code makes no attempt to be fast! In fact, it is a very | |
139 | slow implementation | |
140 | ||
141 | This code is NOT a complete DES implementation. It implements only | |
142 | the minimum necessary for SMB authentication, as used by all SMB | |
143 | products (including every copy of Microsoft Windows95 ever sold) | |
144 | ||
145 | In particular, it can only do a unchained forward DES pass. This | |
146 | means it is not possible to use this code for encryption/decryption | |
147 | of data, instead it is only useful as a "hash" algorithm. | |
148 | ||
149 | There is no entry point into this code that allows normal DES operation. | |
150 | ||
151 | I believe this means that this code does not come under ITAR | |
152 | regulations but this is NOT a legal opinion. If you are concerned | |
153 | about the applicability of ITAR regulations to this code then you | |
154 | should confirm it for yourself (and maybe let me know if you come | |
155 | up with a different answer to the one above) | |
156 | */ | |
157 | ||
158 | #define DEBUG(a,b) ; | |
159 | ||
160 | extern int DEBUGLEVEL; | |
161 | ||
162 | #include <sys/types.h> /* For size_t */ | |
163 | #include "auth-spa.h" | |
164 | #include <assert.h> | |
165 | #include <ctype.h> | |
166 | #include <stdio.h> | |
167 | #include <stdlib.h> | |
168 | #include <string.h> | |
169 | #include <time.h> | |
170 | #include <unistd.h> | |
171 | ||
172 | #ifndef _AIX | |
173 | typedef unsigned char uchar; | |
174 | #endif | |
175 | ||
176 | ||
177 | typedef int BOOL; | |
178 | #define False 0 | |
179 | #define True 1 | |
180 | ||
181 | #ifndef _BYTEORDER_H | |
182 | #define _BYTEORDER_H | |
183 | ||
184 | #define RW_PCVAL(read,inbuf,outbuf,len) \ | |
185 | { if (read) { PCVAL (inbuf,0,outbuf,len); } \ | |
186 | else { PSCVAL(inbuf,0,outbuf,len); } } | |
187 | ||
188 | #define RW_PIVAL(read,big_endian,inbuf,outbuf,len) \ | |
189 | { if (read) { if (big_endian) { RPIVAL(inbuf,0,outbuf,len); } else { PIVAL(inbuf,0,outbuf,len); } } \ | |
190 | else { if (big_endian) { RPSIVAL(inbuf,0,outbuf,len); } else { PSIVAL(inbuf,0,outbuf,len); } } } | |
191 | ||
192 | #define RW_PSVAL(read,big_endian,inbuf,outbuf,len) \ | |
193 | { if (read) { if (big_endian) { RPSVAL(inbuf,0,outbuf,len); } else { PSVAL(inbuf,0,outbuf,len); } } \ | |
194 | else { if (big_endian) { RPSSVAL(inbuf,0,outbuf,len); } else { PSSVAL(inbuf,0,outbuf,len); } } } | |
195 | ||
196 | #define RW_CVAL(read, inbuf, outbuf, offset) \ | |
197 | { if (read) { (outbuf) = CVAL (inbuf,offset); } \ | |
198 | else { SCVAL(inbuf,offset,outbuf); } } | |
199 | ||
200 | #define RW_IVAL(read, big_endian, inbuf, outbuf, offset) \ | |
201 | { if (read) { (outbuf) = ((big_endian) ? RIVAL(inbuf,offset) : IVAL (inbuf,offset)); } \ | |
202 | else { if (big_endian) { RSIVAL(inbuf,offset,outbuf); } else { SIVAL(inbuf,offset,outbuf); } } } | |
203 | ||
204 | #define RW_SVAL(read, big_endian, inbuf, outbuf, offset) \ | |
205 | { if (read) { (outbuf) = ((big_endian) ? RSVAL(inbuf,offset) : SVAL (inbuf,offset)); } \ | |
206 | else { if (big_endian) { RSSVAL(inbuf,offset,outbuf); } else { SSVAL(inbuf,offset,outbuf); } } } | |
207 | ||
208 | #undef CAREFUL_ALIGNMENT | |
209 | ||
210 | /* we know that the 386 can handle misalignment and has the "right" | |
211 | byteorder */ | |
212 | #ifdef __i386__ | |
213 | #define CAREFUL_ALIGNMENT 0 | |
214 | #endif | |
215 | ||
216 | #ifndef CAREFUL_ALIGNMENT | |
217 | #define CAREFUL_ALIGNMENT 1 | |
218 | #endif | |
219 | ||
220 | #define CVAL(buf,pos) (((unsigned char *)(buf))[pos]) | |
221 | #define PVAL(buf,pos) ((unsigned)CVAL(buf,pos)) | |
222 | #define SCVAL(buf,pos,val) (CVAL(buf,pos) = (val)) | |
223 | ||
224 | ||
225 | #if CAREFUL_ALIGNMENT | |
226 | ||
227 | #define SVAL(buf,pos) (PVAL(buf,pos)|PVAL(buf,(pos)+1)<<8) | |
228 | #define IVAL(buf,pos) (SVAL(buf,pos)|SVAL(buf,(pos)+2)<<16) | |
229 | #define SSVALX(buf,pos,val) (CVAL(buf,pos)=(val)&0xFF,CVAL(buf,pos+1)=(val)>>8) | |
230 | #define SIVALX(buf,pos,val) (SSVALX(buf,pos,val&0xFFFF),SSVALX(buf,pos+2,val>>16)) | |
231 | #define SVALS(buf,pos) ((int16x)SVAL(buf,pos)) | |
232 | #define IVALS(buf,pos) ((int32x)IVAL(buf,pos)) | |
233 | #define SSVAL(buf,pos,val) SSVALX((buf),(pos),((uint16x)(val))) | |
234 | #define SIVAL(buf,pos,val) SIVALX((buf),(pos),((uint32x)(val))) | |
235 | #define SSVALS(buf,pos,val) SSVALX((buf),(pos),((int16x)(val))) | |
236 | #define SIVALS(buf,pos,val) SIVALX((buf),(pos),((int32x)(val))) | |
237 | ||
238 | #else /* CAREFUL_ALIGNMENT */ | |
239 | ||
240 | /* this handles things for architectures like the 386 that can handle | |
241 | alignment errors */ | |
242 | /* | |
243 | WARNING: This section is dependent on the length of int16x and int32x | |
244 | being correct | |
245 | */ | |
246 | ||
247 | /* get single value from an SMB buffer */ | |
248 | #define SVAL(buf,pos) (*(uint16x *)((char *)(buf) + (pos))) | |
249 | #define IVAL(buf,pos) (*(uint32x *)((char *)(buf) + (pos))) | |
250 | #define SVALS(buf,pos) (*(int16x *)((char *)(buf) + (pos))) | |
251 | #define IVALS(buf,pos) (*(int32x *)((char *)(buf) + (pos))) | |
252 | ||
253 | /* store single value in an SMB buffer */ | |
254 | #define SSVAL(buf,pos,val) SVAL(buf,pos)=((uint16x)(val)) | |
255 | #define SIVAL(buf,pos,val) IVAL(buf,pos)=((uint32x)(val)) | |
256 | #define SSVALS(buf,pos,val) SVALS(buf,pos)=((int16x)(val)) | |
257 | #define SIVALS(buf,pos,val) IVALS(buf,pos)=((int32x)(val)) | |
258 | ||
259 | #endif /* CAREFUL_ALIGNMENT */ | |
260 | ||
261 | /* macros for reading / writing arrays */ | |
262 | ||
263 | #define SMBMACRO(macro,buf,pos,val,len,size) \ | |
264 | { int l; for (l = 0; l < (len); l++) (val)[l] = macro((buf), (pos) + (size)*l); } | |
265 | ||
266 | #define SSMBMACRO(macro,buf,pos,val,len,size) \ | |
267 | { int l; for (l = 0; l < (len); l++) macro((buf), (pos) + (size)*l, (val)[l]); } | |
268 | ||
269 | /* reads multiple data from an SMB buffer */ | |
270 | #define PCVAL(buf,pos,val,len) SMBMACRO(CVAL,buf,pos,val,len,1) | |
271 | #define PSVAL(buf,pos,val,len) SMBMACRO(SVAL,buf,pos,val,len,2) | |
272 | #define PIVAL(buf,pos,val,len) SMBMACRO(IVAL,buf,pos,val,len,4) | |
273 | #define PCVALS(buf,pos,val,len) SMBMACRO(CVALS,buf,pos,val,len,1) | |
274 | #define PSVALS(buf,pos,val,len) SMBMACRO(SVALS,buf,pos,val,len,2) | |
275 | #define PIVALS(buf,pos,val,len) SMBMACRO(IVALS,buf,pos,val,len,4) | |
276 | ||
277 | /* stores multiple data in an SMB buffer */ | |
278 | #define PSCVAL(buf,pos,val,len) SSMBMACRO(SCVAL,buf,pos,val,len,1) | |
279 | #define PSSVAL(buf,pos,val,len) SSMBMACRO(SSVAL,buf,pos,val,len,2) | |
280 | #define PSIVAL(buf,pos,val,len) SSMBMACRO(SIVAL,buf,pos,val,len,4) | |
281 | #define PSCVALS(buf,pos,val,len) SSMBMACRO(SCVALS,buf,pos,val,len,1) | |
282 | #define PSSVALS(buf,pos,val,len) SSMBMACRO(SSVALS,buf,pos,val,len,2) | |
283 | #define PSIVALS(buf,pos,val,len) SSMBMACRO(SIVALS,buf,pos,val,len,4) | |
284 | ||
285 | ||
286 | /* now the reverse routines - these are used in nmb packets (mostly) */ | |
287 | #define SREV(x) ((((x)&0xFF)<<8) | (((x)>>8)&0xFF)) | |
288 | #define IREV(x) ((SREV(x)<<16) | (SREV((x)>>16))) | |
289 | ||
290 | #define RSVAL(buf,pos) SREV(SVAL(buf,pos)) | |
291 | #define RSVALS(buf,pos) SREV(SVALS(buf,pos)) | |
292 | #define RIVAL(buf,pos) IREV(IVAL(buf,pos)) | |
293 | #define RIVALS(buf,pos) IREV(IVALS(buf,pos)) | |
294 | #define RSSVAL(buf,pos,val) SSVAL(buf,pos,SREV(val)) | |
295 | #define RSSVALS(buf,pos,val) SSVALS(buf,pos,SREV(val)) | |
296 | #define RSIVAL(buf,pos,val) SIVAL(buf,pos,IREV(val)) | |
297 | #define RSIVALS(buf,pos,val) SIVALS(buf,pos,IREV(val)) | |
298 | ||
299 | /* reads multiple data from an SMB buffer (big-endian) */ | |
300 | #define RPSVAL(buf,pos,val,len) SMBMACRO(RSVAL,buf,pos,val,len,2) | |
301 | #define RPIVAL(buf,pos,val,len) SMBMACRO(RIVAL,buf,pos,val,len,4) | |
302 | #define RPSVALS(buf,pos,val,len) SMBMACRO(RSVALS,buf,pos,val,len,2) | |
303 | #define RPIVALS(buf,pos,val,len) SMBMACRO(RIVALS,buf,pos,val,len,4) | |
304 | ||
305 | /* stores multiple data in an SMB buffer (big-endian) */ | |
306 | #define RPSSVAL(buf,pos,val,len) SSMBMACRO(RSSVAL,buf,pos,val,len,2) | |
307 | #define RPSIVAL(buf,pos,val,len) SSMBMACRO(RSIVAL,buf,pos,val,len,4) | |
308 | #define RPSSVALS(buf,pos,val,len) SSMBMACRO(RSSVALS,buf,pos,val,len,2) | |
309 | #define RPSIVALS(buf,pos,val,len) SSMBMACRO(RSIVALS,buf,pos,val,len,4) | |
310 | ||
311 | #define DBG_RW_PCVAL(charmode,string,depth,base,read,inbuf,outbuf,len) \ | |
312 | { RW_PCVAL(read,inbuf,outbuf,len) \ | |
313 | DEBUG(5,("%s%04x %s: ", \ | |
314 | tab_depth(depth), base,string)); \ | |
315 | if (charmode) print_asc(5, (unsigned char*)(outbuf), (len)); else \ | |
316 | { int idx; for (idx = 0; idx < len; idx++) { DEBUG(5,("%02x ", (outbuf)[idx])); } } \ | |
317 | DEBUG(5,("\n")); } | |
318 | ||
319 | #define DBG_RW_PSVAL(charmode,string,depth,base,read,big_endian,inbuf,outbuf,len) \ | |
320 | { RW_PSVAL(read,big_endian,inbuf,outbuf,len) \ | |
321 | DEBUG(5,("%s%04x %s: ", \ | |
322 | tab_depth(depth), base,string)); \ | |
323 | if (charmode) print_asc(5, (unsigned char*)(outbuf), 2*(len)); else \ | |
324 | { int idx; for (idx = 0; idx < len; idx++) { DEBUG(5,("%04x ", (outbuf)[idx])); } } \ | |
325 | DEBUG(5,("\n")); } | |
326 | ||
327 | #define DBG_RW_PIVAL(charmode,string,depth,base,read,big_endian,inbuf,outbuf,len) \ | |
328 | { RW_PIVAL(read,big_endian,inbuf,outbuf,len) \ | |
329 | DEBUG(5,("%s%04x %s: ", \ | |
330 | tab_depth(depth), base,string)); \ | |
331 | if (charmode) print_asc(5, (unsigned char*)(outbuf), 4*(len)); else \ | |
332 | { int idx; for (idx = 0; idx < len; idx++) { DEBUG(5,("%08x ", (outbuf)[idx])); } } \ | |
333 | DEBUG(5,("\n")); } | |
334 | ||
335 | #define DBG_RW_CVAL(string,depth,base,read,inbuf,outbuf) \ | |
336 | { RW_CVAL(read,inbuf,outbuf,0) \ | |
337 | DEBUG(5,("%s%04x %s: %02x\n", \ | |
338 | tab_depth(depth), base, string, outbuf)); } | |
339 | ||
340 | #define DBG_RW_SVAL(string,depth,base,read,big_endian,inbuf,outbuf) \ | |
341 | { RW_SVAL(read,big_endian,inbuf,outbuf,0) \ | |
342 | DEBUG(5,("%s%04x %s: %04x\n", \ | |
343 | tab_depth(depth), base, string, outbuf)); } | |
344 | ||
345 | #define DBG_RW_IVAL(string,depth,base,read,big_endian,inbuf,outbuf) \ | |
346 | { RW_IVAL(read,big_endian,inbuf,outbuf,0) \ | |
347 | DEBUG(5,("%s%04x %s: %08x\n", \ | |
348 | tab_depth(depth), base, string, outbuf)); } | |
349 | ||
350 | #endif /* _BYTEORDER_H */ | |
351 | ||
352 | void E_P16 (unsigned char *p14, unsigned char *p16); | |
353 | void E_P24 (unsigned char *p21, unsigned char *c8, unsigned char *p24); | |
354 | void D_P16 (unsigned char *p14, unsigned char *in, unsigned char *out); | |
355 | void SMBOWFencrypt (uchar passwd[16], uchar * c8, uchar p24[24]); | |
356 | ||
357 | void mdfour (unsigned char *out, unsigned char *in, int n); | |
358 | ||
359 | ||
360 | /* | |
361 | * base64.c -- base-64 conversion routines. | |
362 | * | |
363 | * For license terms, see the file COPYING in this directory. | |
364 | * | |
365 | * This base 64 encoding is defined in RFC2045 section 6.8, | |
366 | * "Base64 Content-Transfer-Encoding", but lines must not be broken in the | |
367 | * scheme used here. | |
368 | */ | |
369 | ||
370 | static const char base64digits[] = | |
371 | "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; | |
372 | ||
373 | #define BAD -1 | |
374 | static const char base64val[] = { | |
375 | BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, | |
376 | BAD, | |
377 | BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, | |
378 | BAD, | |
379 | BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, 62, BAD, BAD, BAD, | |
380 | 63, | |
381 | 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, BAD, BAD, BAD, BAD, BAD, BAD, | |
382 | BAD, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |
383 | 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, BAD, BAD, BAD, BAD, BAD, | |
384 | BAD, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
385 | 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, BAD, BAD, BAD, BAD, BAD | |
386 | }; | |
387 | #define DECODE64(c) (isascii(c) ? base64val[c] : BAD) | |
388 | ||
389 | void | |
390 | spa_bits_to_base64 (unsigned char *out, const unsigned char *in, int inlen) | |
391 | /* raw bytes in quasi-big-endian order to base 64 string (NUL-terminated) */ | |
392 | { | |
393 | for (; inlen >= 3; inlen -= 3) | |
394 | { | |
395 | *out++ = base64digits[in[0] >> 2]; | |
396 | *out++ = base64digits[((in[0] << 4) & 0x30) | (in[1] >> 4)]; | |
397 | *out++ = base64digits[((in[1] << 2) & 0x3c) | (in[2] >> 6)]; | |
398 | *out++ = base64digits[in[2] & 0x3f]; | |
399 | in += 3; | |
400 | } | |
401 | if (inlen > 0) | |
402 | { | |
403 | unsigned char fragment; | |
404 | ||
405 | *out++ = base64digits[in[0] >> 2]; | |
406 | fragment = (in[0] << 4) & 0x30; | |
407 | if (inlen > 1) | |
408 | fragment |= in[1] >> 4; | |
409 | *out++ = base64digits[fragment]; | |
410 | *out++ = (inlen < 2) ? '=' : base64digits[(in[1] << 2) & 0x3c]; | |
411 | *out++ = '='; | |
412 | } | |
413 | *out = '\0'; | |
414 | } | |
415 | ||
85b87bc2 PH |
416 | |
417 | /* The outlength parameter was added by PH, December 2004 */ | |
418 | ||
0756eb3c | 419 | int |
85b87bc2 | 420 | spa_base64_to_bits (char *out, int outlength, const char *in) |
0756eb3c PH |
421 | /* base 64 to raw bytes in quasi-big-endian order, returning count of bytes */ |
422 | { | |
423 | int len = 0; | |
424 | register unsigned char digit1, digit2, digit3, digit4; | |
425 | ||
426 | if (in[0] == '+' && in[1] == ' ') | |
427 | in += 2; | |
428 | if (*in == '\r') | |
429 | return (0); | |
430 | ||
431 | do | |
432 | { | |
85b87bc2 PH |
433 | if (len >= outlength) /* Added by PH */ |
434 | return (-1); /* Added by PH */ | |
0756eb3c PH |
435 | digit1 = in[0]; |
436 | if (DECODE64 (digit1) == BAD) | |
437 | return (-1); | |
438 | digit2 = in[1]; | |
439 | if (DECODE64 (digit2) == BAD) | |
440 | return (-1); | |
441 | digit3 = in[2]; | |
442 | if (digit3 != '=' && DECODE64 (digit3) == BAD) | |
443 | return (-1); | |
444 | digit4 = in[3]; | |
445 | if (digit4 != '=' && DECODE64 (digit4) == BAD) | |
446 | return (-1); | |
447 | in += 4; | |
448 | *out++ = (DECODE64 (digit1) << 2) | (DECODE64 (digit2) >> 4); | |
449 | ++len; | |
450 | if (digit3 != '=') | |
451 | { | |
85b87bc2 PH |
452 | if (len >= outlength) /* Added by PH */ |
453 | return (-1); /* Added by PH */ | |
0756eb3c PH |
454 | *out++ = |
455 | ((DECODE64 (digit2) << 4) & 0xf0) | (DECODE64 (digit3) >> 2); | |
456 | ++len; | |
457 | if (digit4 != '=') | |
458 | { | |
85b87bc2 PH |
459 | if (len >= outlength) /* Added by PH */ |
460 | return (-1); /* Added by PH */ | |
0756eb3c PH |
461 | *out++ = ((DECODE64 (digit3) << 6) & 0xc0) | DECODE64 (digit4); |
462 | ++len; | |
463 | } | |
464 | } | |
465 | } | |
466 | while (*in && *in != '\r' && digit4 != '='); | |
467 | ||
468 | return (len); | |
469 | } | |
470 | ||
471 | ||
472 | #define uchar unsigned char | |
473 | ||
474 | static uchar perm1[56] = { 57, 49, 41, 33, 25, 17, 9, | |
475 | 1, 58, 50, 42, 34, 26, 18, | |
476 | 10, 2, 59, 51, 43, 35, 27, | |
477 | 19, 11, 3, 60, 52, 44, 36, | |
478 | 63, 55, 47, 39, 31, 23, 15, | |
479 | 7, 62, 54, 46, 38, 30, 22, | |
480 | 14, 6, 61, 53, 45, 37, 29, | |
481 | 21, 13, 5, 28, 20, 12, 4 | |
482 | }; | |
483 | ||
484 | static uchar perm2[48] = { 14, 17, 11, 24, 1, 5, | |
485 | 3, 28, 15, 6, 21, 10, | |
486 | 23, 19, 12, 4, 26, 8, | |
487 | 16, 7, 27, 20, 13, 2, | |
488 | 41, 52, 31, 37, 47, 55, | |
489 | 30, 40, 51, 45, 33, 48, | |
490 | 44, 49, 39, 56, 34, 53, | |
491 | 46, 42, 50, 36, 29, 32 | |
492 | }; | |
493 | ||
494 | static uchar perm3[64] = { 58, 50, 42, 34, 26, 18, 10, 2, | |
495 | 60, 52, 44, 36, 28, 20, 12, 4, | |
496 | 62, 54, 46, 38, 30, 22, 14, 6, | |
497 | 64, 56, 48, 40, 32, 24, 16, 8, | |
498 | 57, 49, 41, 33, 25, 17, 9, 1, | |
499 | 59, 51, 43, 35, 27, 19, 11, 3, | |
500 | 61, 53, 45, 37, 29, 21, 13, 5, | |
501 | 63, 55, 47, 39, 31, 23, 15, 7 | |
502 | }; | |
503 | ||
504 | static uchar perm4[48] = { 32, 1, 2, 3, 4, 5, | |
505 | 4, 5, 6, 7, 8, 9, | |
506 | 8, 9, 10, 11, 12, 13, | |
507 | 12, 13, 14, 15, 16, 17, | |
508 | 16, 17, 18, 19, 20, 21, | |
509 | 20, 21, 22, 23, 24, 25, | |
510 | 24, 25, 26, 27, 28, 29, | |
511 | 28, 29, 30, 31, 32, 1 | |
512 | }; | |
513 | ||
514 | static uchar perm5[32] = { 16, 7, 20, 21, | |
515 | 29, 12, 28, 17, | |
516 | 1, 15, 23, 26, | |
517 | 5, 18, 31, 10, | |
518 | 2, 8, 24, 14, | |
519 | 32, 27, 3, 9, | |
520 | 19, 13, 30, 6, | |
521 | 22, 11, 4, 25 | |
522 | }; | |
523 | ||
524 | ||
525 | static uchar perm6[64] = { 40, 8, 48, 16, 56, 24, 64, 32, | |
526 | 39, 7, 47, 15, 55, 23, 63, 31, | |
527 | 38, 6, 46, 14, 54, 22, 62, 30, | |
528 | 37, 5, 45, 13, 53, 21, 61, 29, | |
529 | 36, 4, 44, 12, 52, 20, 60, 28, | |
530 | 35, 3, 43, 11, 51, 19, 59, 27, | |
531 | 34, 2, 42, 10, 50, 18, 58, 26, | |
532 | 33, 1, 41, 9, 49, 17, 57, 25 | |
533 | }; | |
534 | ||
535 | ||
536 | static uchar sc[16] = { 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 }; | |
537 | ||
538 | static uchar sbox[8][4][16] = { | |
539 | {{14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7}, | |
540 | {0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8}, | |
541 | {4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0}, | |
542 | {15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13}}, | |
543 | ||
544 | {{15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10}, | |
545 | {3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5}, | |
546 | {0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15}, | |
547 | {13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9}}, | |
548 | ||
549 | {{10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8}, | |
550 | {13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1}, | |
551 | {13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7}, | |
552 | {1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12}}, | |
553 | ||
554 | {{7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15}, | |
555 | {13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9}, | |
556 | {10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4}, | |
557 | {3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14}}, | |
558 | ||
559 | {{2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9}, | |
560 | {14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6}, | |
561 | {4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14}, | |
562 | {11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3}}, | |
563 | ||
564 | {{12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11}, | |
565 | {10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8}, | |
566 | {9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6}, | |
567 | {4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13}}, | |
568 | ||
569 | {{4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1}, | |
570 | {13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6}, | |
571 | {1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2}, | |
572 | {6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12}}, | |
573 | ||
574 | {{13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7}, | |
575 | {1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2}, | |
576 | {7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8}, | |
577 | {2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11}} | |
578 | }; | |
579 | ||
580 | static void | |
581 | permute (char *out, char *in, uchar * p, int n) | |
582 | { | |
583 | int i; | |
584 | for (i = 0; i < n; i++) | |
585 | out[i] = in[p[i] - 1]; | |
586 | } | |
587 | ||
588 | static void | |
589 | lshift (char *d, int count, int n) | |
590 | { | |
591 | char out[64]; | |
592 | int i; | |
593 | for (i = 0; i < n; i++) | |
594 | out[i] = d[(i + count) % n]; | |
595 | for (i = 0; i < n; i++) | |
596 | d[i] = out[i]; | |
597 | } | |
598 | ||
599 | static void | |
600 | concat (char *out, char *in1, char *in2, int l1, int l2) | |
601 | { | |
602 | while (l1--) | |
603 | *out++ = *in1++; | |
604 | while (l2--) | |
605 | *out++ = *in2++; | |
606 | } | |
607 | ||
608 | static void | |
609 | xor (char *out, char *in1, char *in2, int n) | |
610 | { | |
611 | int i; | |
612 | for (i = 0; i < n; i++) | |
613 | out[i] = in1[i] ^ in2[i]; | |
614 | } | |
615 | ||
616 | static void | |
617 | dohash (char *out, char *in, char *key, int forw) | |
618 | { | |
619 | int i, j, k; | |
620 | char pk1[56]; | |
621 | char c[28]; | |
622 | char d[28]; | |
623 | char cd[56]; | |
624 | char ki[16][48]; | |
625 | char pd1[64]; | |
626 | char l[32], r[32]; | |
627 | char rl[64]; | |
628 | ||
629 | permute (pk1, key, perm1, 56); | |
630 | ||
631 | for (i = 0; i < 28; i++) | |
632 | c[i] = pk1[i]; | |
633 | for (i = 0; i < 28; i++) | |
634 | d[i] = pk1[i + 28]; | |
635 | ||
636 | for (i = 0; i < 16; i++) | |
637 | { | |
638 | lshift (c, sc[i], 28); | |
639 | lshift (d, sc[i], 28); | |
640 | ||
641 | concat (cd, c, d, 28, 28); | |
642 | permute (ki[i], cd, perm2, 48); | |
643 | } | |
644 | ||
645 | permute (pd1, in, perm3, 64); | |
646 | ||
647 | for (j = 0; j < 32; j++) | |
648 | { | |
649 | l[j] = pd1[j]; | |
650 | r[j] = pd1[j + 32]; | |
651 | } | |
652 | ||
653 | for (i = 0; i < 16; i++) | |
654 | { | |
655 | char er[48]; | |
656 | char erk[48]; | |
657 | char b[8][6]; | |
658 | char cb[32]; | |
659 | char pcb[32]; | |
660 | char r2[32]; | |
661 | ||
662 | permute (er, r, perm4, 48); | |
663 | ||
664 | xor (erk, er, ki[forw ? i : 15 - i], 48); | |
665 | ||
666 | for (j = 0; j < 8; j++) | |
667 | for (k = 0; k < 6; k++) | |
668 | b[j][k] = erk[j * 6 + k]; | |
669 | ||
670 | for (j = 0; j < 8; j++) | |
671 | { | |
672 | int m, n; | |
673 | m = (b[j][0] << 1) | b[j][5]; | |
674 | ||
675 | n = (b[j][1] << 3) | (b[j][2] << 2) | (b[j][3] << 1) | b[j][4]; | |
676 | ||
677 | for (k = 0; k < 4; k++) | |
678 | b[j][k] = (sbox[j][m][n] & (1 << (3 - k))) ? 1 : 0; | |
679 | } | |
680 | ||
681 | for (j = 0; j < 8; j++) | |
682 | for (k = 0; k < 4; k++) | |
683 | cb[j * 4 + k] = b[j][k]; | |
684 | permute (pcb, cb, perm5, 32); | |
685 | ||
686 | xor (r2, l, pcb, 32); | |
687 | ||
688 | for (j = 0; j < 32; j++) | |
689 | l[j] = r[j]; | |
690 | ||
691 | for (j = 0; j < 32; j++) | |
692 | r[j] = r2[j]; | |
693 | } | |
694 | ||
695 | concat (rl, r, l, 32, 32); | |
696 | ||
697 | permute (out, rl, perm6, 64); | |
698 | } | |
699 | ||
700 | static void | |
701 | str_to_key (unsigned char *str, unsigned char *key) | |
702 | { | |
703 | int i; | |
704 | ||
705 | key[0] = str[0] >> 1; | |
706 | key[1] = ((str[0] & 0x01) << 6) | (str[1] >> 2); | |
707 | key[2] = ((str[1] & 0x03) << 5) | (str[2] >> 3); | |
708 | key[3] = ((str[2] & 0x07) << 4) | (str[3] >> 4); | |
709 | key[4] = ((str[3] & 0x0F) << 3) | (str[4] >> 5); | |
710 | key[5] = ((str[4] & 0x1F) << 2) | (str[5] >> 6); | |
711 | key[6] = ((str[5] & 0x3F) << 1) | (str[6] >> 7); | |
712 | key[7] = str[6] & 0x7F; | |
713 | for (i = 0; i < 8; i++) | |
714 | { | |
715 | key[i] = (key[i] << 1); | |
716 | } | |
717 | } | |
718 | ||
719 | ||
720 | static void | |
721 | smbhash (unsigned char *out, unsigned char *in, unsigned char *key, int forw) | |
722 | { | |
723 | int i; | |
724 | char outb[64]; | |
725 | char inb[64]; | |
726 | char keyb[64]; | |
727 | unsigned char key2[8]; | |
728 | ||
729 | str_to_key (key, key2); | |
730 | ||
731 | for (i = 0; i < 64; i++) | |
732 | { | |
733 | inb[i] = (in[i / 8] & (1 << (7 - (i % 8)))) ? 1 : 0; | |
734 | keyb[i] = (key2[i / 8] & (1 << (7 - (i % 8)))) ? 1 : 0; | |
735 | outb[i] = 0; | |
736 | } | |
737 | ||
738 | dohash (outb, inb, keyb, forw); | |
739 | ||
740 | for (i = 0; i < 8; i++) | |
741 | { | |
742 | out[i] = 0; | |
743 | } | |
744 | ||
745 | for (i = 0; i < 64; i++) | |
746 | { | |
747 | if (outb[i]) | |
748 | out[i / 8] |= (1 << (7 - (i % 8))); | |
749 | } | |
750 | } | |
751 | ||
752 | void | |
753 | E_P16 (unsigned char *p14, unsigned char *p16) | |
754 | { | |
755 | unsigned char sp8[8] = { 0x4b, 0x47, 0x53, 0x21, 0x40, 0x23, 0x24, 0x25 }; | |
756 | smbhash (p16, sp8, p14, 1); | |
757 | smbhash (p16 + 8, sp8, p14 + 7, 1); | |
758 | } | |
759 | ||
760 | void | |
761 | E_P24 (unsigned char *p21, unsigned char *c8, unsigned char *p24) | |
762 | { | |
763 | smbhash (p24, c8, p21, 1); | |
764 | smbhash (p24 + 8, c8, p21 + 7, 1); | |
765 | smbhash (p24 + 16, c8, p21 + 14, 1); | |
766 | } | |
767 | ||
768 | void | |
769 | D_P16 (unsigned char *p14, unsigned char *in, unsigned char *out) | |
770 | { | |
771 | smbhash (out, in, p14, 0); | |
772 | smbhash (out + 8, in + 8, p14 + 7, 0); | |
773 | } | |
774 | ||
775 | /**************************************************************************** | |
776 | Like strncpy but always null terminates. Make sure there is room! | |
777 | The variable n should always be one less than the available size. | |
778 | ****************************************************************************/ | |
779 | ||
780 | char * | |
781 | StrnCpy (char *dest, const char *src, size_t n) | |
782 | { | |
783 | char *d = dest; | |
784 | if (!dest) | |
785 | return (NULL); | |
786 | if (!src) | |
787 | { | |
788 | *dest = 0; | |
789 | return (dest); | |
790 | } | |
791 | while (n-- && (*d++ = *src++)); | |
792 | *d = 0; | |
793 | return (dest); | |
794 | } | |
795 | ||
796 | size_t | |
797 | skip_multibyte_char (char c) | |
798 | { | |
799 | /* bogus if to get rid of unused compiler warning */ | |
800 | if (c) | |
801 | return 0; | |
802 | else | |
803 | return 0; | |
804 | } | |
805 | ||
806 | ||
807 | /******************************************************************* | |
808 | safe string copy into a known length string. maxlength does not | |
809 | include the terminating zero. | |
810 | ********************************************************************/ | |
811 | ||
812 | char * | |
813 | safe_strcpy (char *dest, const char *src, size_t maxlength) | |
814 | { | |
815 | size_t len; | |
816 | ||
817 | if (!dest) | |
818 | { | |
819 | DEBUG (0, ("ERROR: NULL dest in safe_strcpy\n")); | |
820 | return NULL; | |
821 | } | |
822 | ||
823 | if (!src) | |
824 | { | |
825 | *dest = 0; | |
826 | return dest; | |
827 | } | |
828 | ||
829 | len = strlen (src); | |
830 | ||
831 | if (len > maxlength) | |
832 | { | |
833 | DEBUG (0, ("ERROR: string overflow by %d in safe_strcpy [%.50s]\n", | |
834 | (int) (len - maxlength), src)); | |
835 | len = maxlength; | |
836 | } | |
837 | ||
838 | memcpy (dest, src, len); | |
839 | dest[len] = 0; | |
840 | return dest; | |
841 | } | |
842 | ||
843 | ||
844 | void | |
845 | strupper (char *s) | |
846 | { | |
847 | while (*s) | |
848 | { | |
849 | { | |
850 | size_t skip = skip_multibyte_char (*s); | |
851 | if (skip != 0) | |
852 | s += skip; | |
853 | else | |
854 | { | |
855 | if (islower ((unsigned char)(*s))) | |
856 | *s = toupper (*s); | |
857 | s++; | |
858 | } | |
859 | } | |
860 | } | |
861 | } | |
862 | ||
863 | ||
864 | /* | |
865 | This implements the X/Open SMB password encryption | |
866 | It takes a password, a 8 byte "crypt key" and puts 24 bytes of | |
867 | encrypted password into p24 | |
868 | */ | |
869 | ||
870 | void | |
871 | spa_smb_encrypt (uchar * passwd, uchar * c8, uchar * p24) | |
872 | { | |
873 | uchar p14[15], p21[21]; | |
874 | ||
875 | memset (p21, '\0', 21); | |
876 | memset (p14, '\0', 14); | |
877 | StrnCpy ((char *) p14, (char *) passwd, 14); | |
878 | ||
879 | strupper ((char *) p14); | |
880 | E_P16 (p14, p21); | |
881 | ||
882 | SMBOWFencrypt (p21, c8, p24); | |
883 | ||
884 | #ifdef DEBUG_PASSWORD | |
885 | DEBUG (100, ("spa_smb_encrypt: lm#, challenge, response\n")); | |
886 | dump_data (100, (char *) p21, 16); | |
887 | dump_data (100, (char *) c8, 8); | |
888 | dump_data (100, (char *) p24, 24); | |
889 | #endif | |
890 | } | |
891 | ||
892 | /* Routines for Windows NT MD4 Hash functions. */ | |
893 | static int | |
894 | _my_wcslen (int16x * str) | |
895 | { | |
896 | int len = 0; | |
897 | while (*str++ != 0) | |
898 | len++; | |
899 | return len; | |
900 | } | |
901 | ||
902 | /* | |
903 | * Convert a string into an NT UNICODE string. | |
904 | * Note that regardless of processor type | |
905 | * this must be in intel (little-endian) | |
906 | * format. | |
907 | */ | |
908 | ||
909 | static int | |
910 | _my_mbstowcs (int16x * dst, uchar * src, int len) | |
911 | { | |
912 | int i; | |
913 | int16x val; | |
914 | ||
915 | for (i = 0; i < len; i++) | |
916 | { | |
917 | val = *src; | |
918 | SSVAL (dst, 0, val); | |
919 | dst++; | |
920 | src++; | |
921 | if (val == 0) | |
922 | break; | |
923 | } | |
924 | return i; | |
925 | } | |
926 | ||
927 | /* | |
928 | * Creates the MD4 Hash of the users password in NT UNICODE. | |
929 | */ | |
930 | ||
931 | void | |
932 | E_md4hash (uchar * passwd, uchar * p16) | |
933 | { | |
934 | int len; | |
935 | int16x wpwd[129]; | |
936 | ||
937 | /* Password cannot be longer than 128 characters */ | |
938 | len = strlen ((char *) passwd); | |
939 | if (len > 128) | |
940 | len = 128; | |
941 | /* Password must be converted to NT unicode */ | |
942 | _my_mbstowcs (wpwd, passwd, len); | |
943 | wpwd[len] = 0; /* Ensure string is null terminated */ | |
944 | /* Calculate length in bytes */ | |
945 | len = _my_wcslen (wpwd) * sizeof (int16x); | |
946 | ||
947 | mdfour (p16, (unsigned char *) wpwd, len); | |
948 | } | |
949 | ||
950 | /* Does both the NT and LM owfs of a user's password */ | |
951 | void | |
952 | nt_lm_owf_gen (char *pwd, uchar nt_p16[16], uchar p16[16]) | |
953 | { | |
954 | char passwd[130]; | |
955 | ||
956 | memset (passwd, '\0', 130); | |
957 | safe_strcpy (passwd, pwd, sizeof (passwd) - 1); | |
958 | ||
959 | /* Calculate the MD4 hash (NT compatible) of the password */ | |
960 | memset (nt_p16, '\0', 16); | |
961 | E_md4hash ((uchar *) passwd, nt_p16); | |
962 | ||
963 | #ifdef DEBUG_PASSWORD | |
964 | DEBUG (100, ("nt_lm_owf_gen: pwd, nt#\n")); | |
965 | dump_data (120, passwd, strlen (passwd)); | |
966 | dump_data (100, (char *) nt_p16, 16); | |
967 | #endif | |
968 | ||
969 | /* Mangle the passwords into Lanman format */ | |
970 | passwd[14] = '\0'; | |
971 | strupper (passwd); | |
972 | ||
973 | /* Calculate the SMB (lanman) hash functions of the password */ | |
974 | ||
975 | memset (p16, '\0', 16); | |
976 | E_P16 ((uchar *) passwd, (uchar *) p16); | |
977 | ||
978 | #ifdef DEBUG_PASSWORD | |
979 | DEBUG (100, ("nt_lm_owf_gen: pwd, lm#\n")); | |
980 | dump_data (120, passwd, strlen (passwd)); | |
981 | dump_data (100, (char *) p16, 16); | |
982 | #endif | |
983 | /* clear out local copy of user's password (just being paranoid). */ | |
984 | memset (passwd, '\0', sizeof (passwd)); | |
985 | } | |
986 | ||
987 | /* Does the des encryption from the NT or LM MD4 hash. */ | |
988 | void | |
989 | SMBOWFencrypt (uchar passwd[16], uchar * c8, uchar p24[24]) | |
990 | { | |
991 | uchar p21[21]; | |
992 | ||
993 | memset (p21, '\0', 21); | |
994 | ||
995 | memcpy (p21, passwd, 16); | |
996 | E_P24 (p21, c8, p24); | |
997 | } | |
998 | ||
999 | /* Does the des encryption from the FIRST 8 BYTES of the NT or LM MD4 hash. */ | |
1000 | void | |
1001 | NTLMSSPOWFencrypt (uchar passwd[8], uchar * ntlmchalresp, uchar p24[24]) | |
1002 | { | |
1003 | uchar p21[21]; | |
1004 | ||
1005 | memset (p21, '\0', 21); | |
1006 | memcpy (p21, passwd, 8); | |
1007 | memset (p21 + 8, 0xbd, 8); | |
1008 | ||
1009 | E_P24 (p21, ntlmchalresp, p24); | |
1010 | #ifdef DEBUG_PASSWORD | |
1011 | DEBUG (100, ("NTLMSSPOWFencrypt: p21, c8, p24\n")); | |
1012 | dump_data (100, (char *) p21, 21); | |
1013 | dump_data (100, (char *) ntlmchalresp, 8); | |
1014 | dump_data (100, (char *) p24, 24); | |
1015 | #endif | |
1016 | } | |
1017 | ||
1018 | ||
1019 | /* Does the NT MD4 hash then des encryption. */ | |
1020 | ||
1021 | void | |
1022 | spa_smb_nt_encrypt (uchar * passwd, uchar * c8, uchar * p24) | |
1023 | { | |
1024 | uchar p21[21]; | |
1025 | ||
1026 | memset (p21, '\0', 21); | |
1027 | ||
1028 | E_md4hash (passwd, p21); | |
1029 | SMBOWFencrypt (p21, c8, p24); | |
1030 | ||
1031 | #ifdef DEBUG_PASSWORD | |
1032 | DEBUG (100, ("spa_smb_nt_encrypt: nt#, challenge, response\n")); | |
1033 | dump_data (100, (char *) p21, 16); | |
1034 | dump_data (100, (char *) c8, 8); | |
1035 | dump_data (100, (char *) p24, 24); | |
1036 | #endif | |
1037 | } | |
1038 | ||
1039 | static uint32x A, B, C, D; | |
1040 | ||
1041 | static uint32x | |
1042 | F (uint32x X, uint32x Y, uint32x Z) | |
1043 | { | |
1044 | return (X & Y) | ((~X) & Z); | |
1045 | } | |
1046 | ||
1047 | static uint32x | |
1048 | G (uint32x X, uint32x Y, uint32x Z) | |
1049 | { | |
1050 | return (X & Y) | (X & Z) | (Y & Z); | |
1051 | } | |
1052 | ||
1053 | static uint32x | |
1054 | H (uint32x X, uint32x Y, uint32x Z) | |
1055 | { | |
1056 | return X ^ Y ^ Z; | |
1057 | } | |
1058 | ||
1059 | static uint32x | |
1060 | lshift_a (uint32x x, int s) | |
1061 | { | |
1062 | x &= 0xFFFFFFFF; | |
1063 | return ((x << s) & 0xFFFFFFFF) | (x >> (32 - s)); | |
1064 | } | |
1065 | ||
1066 | #define ROUND1(a,b,c,d,k,s) a = lshift_a(a + F(b,c,d) + X[k], s) | |
1067 | #define ROUND2(a,b,c,d,k,s) a = lshift_a(a + G(b,c,d) + X[k] + (uint32x)0x5A827999,s) | |
1068 | #define ROUND3(a,b,c,d,k,s) a = lshift_a(a + H(b,c,d) + X[k] + (uint32x)0x6ED9EBA1,s) | |
1069 | ||
1070 | /* this applies md4 to 64 byte chunks */ | |
1071 | static void | |
1072 | spa_mdfour64 (uint32x * M) | |
1073 | { | |
1074 | int j; | |
1075 | uint32x AA, BB, CC, DD; | |
1076 | uint32x X[16]; | |
1077 | ||
1078 | for (j = 0; j < 16; j++) | |
1079 | X[j] = M[j]; | |
1080 | ||
1081 | AA = A; | |
1082 | BB = B; | |
1083 | CC = C; | |
1084 | DD = D; | |
1085 | ||
1086 | ROUND1 (A, B, C, D, 0, 3); | |
1087 | ROUND1 (D, A, B, C, 1, 7); | |
1088 | ROUND1 (C, D, A, B, 2, 11); | |
1089 | ROUND1 (B, C, D, A, 3, 19); | |
1090 | ROUND1 (A, B, C, D, 4, 3); | |
1091 | ROUND1 (D, A, B, C, 5, 7); | |
1092 | ROUND1 (C, D, A, B, 6, 11); | |
1093 | ROUND1 (B, C, D, A, 7, 19); | |
1094 | ROUND1 (A, B, C, D, 8, 3); | |
1095 | ROUND1 (D, A, B, C, 9, 7); | |
1096 | ROUND1 (C, D, A, B, 10, 11); | |
1097 | ROUND1 (B, C, D, A, 11, 19); | |
1098 | ROUND1 (A, B, C, D, 12, 3); | |
1099 | ROUND1 (D, A, B, C, 13, 7); | |
1100 | ROUND1 (C, D, A, B, 14, 11); | |
1101 | ROUND1 (B, C, D, A, 15, 19); | |
1102 | ||
1103 | ROUND2 (A, B, C, D, 0, 3); | |
1104 | ROUND2 (D, A, B, C, 4, 5); | |
1105 | ROUND2 (C, D, A, B, 8, 9); | |
1106 | ROUND2 (B, C, D, A, 12, 13); | |
1107 | ROUND2 (A, B, C, D, 1, 3); | |
1108 | ROUND2 (D, A, B, C, 5, 5); | |
1109 | ROUND2 (C, D, A, B, 9, 9); | |
1110 | ROUND2 (B, C, D, A, 13, 13); | |
1111 | ROUND2 (A, B, C, D, 2, 3); | |
1112 | ROUND2 (D, A, B, C, 6, 5); | |
1113 | ROUND2 (C, D, A, B, 10, 9); | |
1114 | ROUND2 (B, C, D, A, 14, 13); | |
1115 | ROUND2 (A, B, C, D, 3, 3); | |
1116 | ROUND2 (D, A, B, C, 7, 5); | |
1117 | ROUND2 (C, D, A, B, 11, 9); | |
1118 | ROUND2 (B, C, D, A, 15, 13); | |
1119 | ||
1120 | ROUND3 (A, B, C, D, 0, 3); | |
1121 | ROUND3 (D, A, B, C, 8, 9); | |
1122 | ROUND3 (C, D, A, B, 4, 11); | |
1123 | ROUND3 (B, C, D, A, 12, 15); | |
1124 | ROUND3 (A, B, C, D, 2, 3); | |
1125 | ROUND3 (D, A, B, C, 10, 9); | |
1126 | ROUND3 (C, D, A, B, 6, 11); | |
1127 | ROUND3 (B, C, D, A, 14, 15); | |
1128 | ROUND3 (A, B, C, D, 1, 3); | |
1129 | ROUND3 (D, A, B, C, 9, 9); | |
1130 | ROUND3 (C, D, A, B, 5, 11); | |
1131 | ROUND3 (B, C, D, A, 13, 15); | |
1132 | ROUND3 (A, B, C, D, 3, 3); | |
1133 | ROUND3 (D, A, B, C, 11, 9); | |
1134 | ROUND3 (C, D, A, B, 7, 11); | |
1135 | ROUND3 (B, C, D, A, 15, 15); | |
1136 | ||
1137 | A += AA; | |
1138 | B += BB; | |
1139 | C += CC; | |
1140 | D += DD; | |
1141 | ||
1142 | A &= 0xFFFFFFFF; | |
1143 | B &= 0xFFFFFFFF; | |
1144 | C &= 0xFFFFFFFF; | |
1145 | D &= 0xFFFFFFFF; | |
1146 | ||
1147 | for (j = 0; j < 16; j++) | |
1148 | X[j] = 0; | |
1149 | } | |
1150 | ||
1151 | static void | |
1152 | copy64 (uint32x * M, unsigned char *in) | |
1153 | { | |
1154 | int i; | |
1155 | ||
1156 | for (i = 0; i < 16; i++) | |
1157 | M[i] = (in[i * 4 + 3] << 24) | (in[i * 4 + 2] << 16) | | |
1158 | (in[i * 4 + 1] << 8) | (in[i * 4 + 0] << 0); | |
1159 | } | |
1160 | ||
1161 | static void | |
1162 | copy4 (unsigned char *out, uint32x x) | |
1163 | { | |
1164 | out[0] = x & 0xFF; | |
1165 | out[1] = (x >> 8) & 0xFF; | |
1166 | out[2] = (x >> 16) & 0xFF; | |
1167 | out[3] = (x >> 24) & 0xFF; | |
1168 | } | |
1169 | ||
1170 | /* produce a md4 message digest from data of length n bytes */ | |
1171 | void | |
1172 | mdfour (unsigned char *out, unsigned char *in, int n) | |
1173 | { | |
1174 | unsigned char buf[128]; | |
1175 | uint32x M[16]; | |
1176 | uint32x b = n * 8; | |
1177 | int i; | |
1178 | ||
1179 | A = 0x67452301; | |
1180 | B = 0xefcdab89; | |
1181 | C = 0x98badcfe; | |
1182 | D = 0x10325476; | |
1183 | ||
1184 | while (n > 64) | |
1185 | { | |
1186 | copy64 (M, in); | |
1187 | spa_mdfour64 (M); | |
1188 | in += 64; | |
1189 | n -= 64; | |
1190 | } | |
1191 | ||
1192 | for (i = 0; i < 128; i++) | |
1193 | buf[i] = 0; | |
1194 | memcpy (buf, in, n); | |
1195 | buf[n] = 0x80; | |
1196 | ||
1197 | if (n <= 55) | |
1198 | { | |
1199 | copy4 (buf + 56, b); | |
1200 | copy64 (M, buf); | |
1201 | spa_mdfour64 (M); | |
1202 | } | |
1203 | else | |
1204 | { | |
1205 | copy4 (buf + 120, b); | |
1206 | copy64 (M, buf); | |
1207 | spa_mdfour64 (M); | |
1208 | copy64 (M, buf + 64); | |
1209 | spa_mdfour64 (M); | |
1210 | } | |
1211 | ||
1212 | for (i = 0; i < 128; i++) | |
1213 | buf[i] = 0; | |
1214 | copy64 (M, buf); | |
1215 | ||
1216 | copy4 (out, A); | |
1217 | copy4 (out + 4, B); | |
1218 | copy4 (out + 8, C); | |
1219 | copy4 (out + 12, D); | |
1220 | ||
1221 | A = B = C = D = 0; | |
1222 | } | |
1223 | ||
1224 | char versionString[] = "libntlm version 0.21"; | |
1225 | ||
1226 | /* Utility routines that handle NTLM auth structures. */ | |
1227 | ||
1228 | /* The [IS]VAL macros are to take care of byte order for non-Intel | |
1229 | * Machines -- I think this file is OK, but it hasn't been tested. | |
1230 | * The other files (the ones stolen from Samba) should be OK. | |
1231 | */ | |
1232 | ||
1233 | ||
1234 | /* I am not crazy about these macros -- they seem to have gotten | |
1235 | * a bit complex. A new scheme for handling string/buffer fields | |
1236 | * in the structures probably needs to be designed | |
1237 | */ | |
1238 | ||
1239 | #define spa_bytes_add(ptr, header, buf, count) \ | |
1240 | { \ | |
1241 | if (buf && count) \ | |
1242 | { \ | |
1243 | SSVAL(&ptr->header.len,0,count); \ | |
1244 | SSVAL(&ptr->header.maxlen,0,count); \ | |
1245 | SIVAL(&ptr->header.offset,0,((ptr->buffer - ((uint8x*)ptr)) + ptr->bufIndex)); \ | |
1246 | memcpy(ptr->buffer+ptr->bufIndex, buf, count); \ | |
1247 | ptr->bufIndex += count; \ | |
1248 | } \ | |
1249 | else \ | |
1250 | { \ | |
1251 | ptr->header.len = \ | |
1252 | ptr->header.maxlen = 0; \ | |
1253 | SIVAL(&ptr->header.offset,0,((ptr->buffer - ((uint8x*)ptr)) + ptr->bufIndex)); \ | |
1254 | } \ | |
1255 | } | |
1256 | ||
1257 | #define spa_string_add(ptr, header, string) \ | |
1258 | { \ | |
1259 | char *p = string; \ | |
1260 | int len = 0; \ | |
1261 | if (p) len = strlen(p); \ | |
1262 | spa_bytes_add(ptr, header, ((unsigned char*)p), len); \ | |
1263 | } | |
1264 | ||
1265 | #define spa_unicode_add_string(ptr, header, string) \ | |
1266 | { \ | |
1267 | char *p = string; \ | |
1268 | unsigned char *b = NULL; \ | |
1269 | int len = 0; \ | |
1270 | if (p) \ | |
1271 | { \ | |
1272 | len = strlen(p); \ | |
1273 | b = strToUnicode(p); \ | |
1274 | } \ | |
1275 | spa_bytes_add(ptr, header, b, len*2); \ | |
1276 | } | |
1277 | ||
1278 | ||
1279 | #define GetUnicodeString(structPtr, header) \ | |
1280 | unicodeToString(((char*)structPtr) + IVAL(&structPtr->header.offset,0) , SVAL(&structPtr->header.len,0)/2) | |
1281 | #define GetString(structPtr, header) \ | |
1282 | toString((((char *)structPtr) + IVAL(&structPtr->header.offset,0)), SVAL(&structPtr->header.len,0)) | |
1283 | #define DumpBuffer(fp, structPtr, header) \ | |
1284 | dumpRaw(fp,((unsigned char*)structPtr)+IVAL(&structPtr->header.offset,0),SVAL(&structPtr->header.len,0)) | |
1285 | ||
1286 | ||
1287 | static void | |
1288 | dumpRaw (FILE * fp, unsigned char *buf, size_t len) | |
1289 | { | |
1290 | int i; | |
1291 | ||
1292 | for (i = 0; i < len; ++i) | |
1293 | fprintf (fp, "%02x ", buf[i]); | |
1294 | ||
1295 | fprintf (fp, "\n"); | |
1296 | } | |
1297 | ||
1298 | char * | |
1299 | unicodeToString (char *p, size_t len) | |
1300 | { | |
1301 | int i; | |
1302 | static char buf[1024]; | |
1303 | ||
1304 | assert (len + 1 < sizeof buf); | |
1305 | ||
1306 | for (i = 0; i < len; ++i) | |
1307 | { | |
1308 | buf[i] = *p & 0x7f; | |
1309 | p += 2; | |
1310 | } | |
1311 | ||
1312 | buf[i] = '\0'; | |
1313 | return buf; | |
1314 | } | |
1315 | ||
1316 | static unsigned char * | |
1317 | strToUnicode (char *p) | |
1318 | { | |
1319 | static unsigned char buf[1024]; | |
1320 | size_t l = strlen (p); | |
1321 | int i = 0; | |
1322 | ||
1323 | assert (l * 2 < sizeof buf); | |
1324 | ||
1325 | while (l--) | |
1326 | { | |
1327 | buf[i++] = *p++; | |
1328 | buf[i++] = 0; | |
1329 | } | |
1330 | ||
1331 | return buf; | |
1332 | } | |
1333 | ||
1334 | static unsigned char * | |
1335 | toString (char *p, size_t len) | |
1336 | { | |
1337 | static unsigned char buf[1024]; | |
1338 | ||
1339 | assert (len + 1 < sizeof buf); | |
1340 | ||
1341 | memcpy (buf, p, len); | |
1342 | buf[len] = 0; | |
1343 | return buf; | |
1344 | } | |
1345 | ||
1346 | void | |
1347 | dumpSmbNtlmAuthRequest (FILE * fp, SPAAuthRequest * request) | |
1348 | { | |
1349 | fprintf (fp, "NTLM Request:\n"); | |
1350 | fprintf (fp, " Ident = %s\n", request->ident); | |
1351 | fprintf (fp, " mType = %d\n", IVAL (&request->msgType, 0)); | |
1352 | fprintf (fp, " Flags = %08x\n", IVAL (&request->flags, 0)); | |
1353 | fprintf (fp, " User = %s\n", GetString (request, user)); | |
1354 | fprintf (fp, " Domain = %s\n", GetString (request, domain)); | |
1355 | } | |
1356 | ||
1357 | void | |
1358 | dumpSmbNtlmAuthChallenge (FILE * fp, SPAAuthChallenge * challenge) | |
1359 | { | |
1360 | fprintf (fp, "NTLM Challenge:\n"); | |
1361 | fprintf (fp, " Ident = %s\n", challenge->ident); | |
1362 | fprintf (fp, " mType = %d\n", IVAL (&challenge->msgType, 0)); | |
1363 | fprintf (fp, " Domain = %s\n", GetUnicodeString (challenge, uDomain)); | |
1364 | fprintf (fp, " Flags = %08x\n", IVAL (&challenge->flags, 0)); | |
1365 | fprintf (fp, " Challenge = "); | |
1366 | dumpRaw (fp, challenge->challengeData, 8); | |
1367 | } | |
1368 | ||
1369 | void | |
1370 | dumpSmbNtlmAuthResponse (FILE * fp, SPAAuthResponse * response) | |
1371 | { | |
1372 | fprintf (fp, "NTLM Response:\n"); | |
1373 | fprintf (fp, " Ident = %s\n", response->ident); | |
1374 | fprintf (fp, " mType = %d\n", IVAL (&response->msgType, 0)); | |
1375 | fprintf (fp, " LmResp = "); | |
1376 | DumpBuffer (fp, response, lmResponse); | |
1377 | fprintf (fp, " NTResp = "); | |
1378 | DumpBuffer (fp, response, ntResponse); | |
1379 | fprintf (fp, " Domain = %s\n", GetUnicodeString (response, uDomain)); | |
1380 | fprintf (fp, " User = %s\n", GetUnicodeString (response, uUser)); | |
1381 | fprintf (fp, " Wks = %s\n", GetUnicodeString (response, uWks)); | |
1382 | fprintf (fp, " sKey = "); | |
1383 | DumpBuffer (fp, response, sessionKey); | |
1384 | fprintf (fp, " Flags = %08x\n", IVAL (&response->flags, 0)); | |
1385 | } | |
1386 | ||
1387 | void | |
1388 | spa_build_auth_request (SPAAuthRequest * request, char *user, char *domain) | |
1389 | { | |
1390 | char *u = strdup (user); | |
1391 | char *p = strchr (u, '@'); | |
1392 | ||
1393 | if (p) | |
1394 | { | |
1395 | if (!domain) | |
1396 | domain = p + 1; | |
1397 | *p = '\0'; | |
1398 | } | |
1399 | ||
1400 | request->bufIndex = 0; | |
1401 | memcpy (request->ident, "NTLMSSP\0\0\0", 8); | |
1402 | SIVAL (&request->msgType, 0, 1); | |
1403 | SIVAL (&request->flags, 0, 0x0000b207); /* have to figure out what these mean */ | |
1404 | spa_string_add (request, user, u); | |
1405 | spa_string_add (request, domain, domain); | |
1406 | free (u); | |
1407 | } | |
1408 | ||
1409 | ||
1410 | ||
1411 | void | |
1412 | spa_build_auth_challenge (SPAAuthRequest * request, SPAAuthChallenge * challenge) | |
1413 | { | |
1414 | char chalstr[8]; | |
1415 | int i; | |
1416 | int p = (int)getpid(); | |
1417 | int random_seed = (int)time(NULL) ^ ((p << 16) | p); | |
1418 | ||
1419 | request = request; /* Added by PH to stop compilers whinging */ | |
1420 | ||
1421 | /* Ensure challenge data is cleared, in case it isn't all used. This | |
1422 | patch added by PH on suggestion of Russell King */ | |
1423 | ||
1424 | memset(challenge, 0, sizeof(SPAAuthChallenge)); | |
1425 | ||
1426 | challenge->bufIndex = 0; | |
1427 | memcpy (challenge->ident, "NTLMSSP\0", 8); | |
1428 | SIVAL (&challenge->msgType, 0, 2); | |
1429 | SIVAL (&challenge->flags, 0, 0x00008201); | |
1430 | SIVAL (&challenge->uDomain.len, 0, 0x0000); | |
1431 | SIVAL (&challenge->uDomain.maxlen, 0, 0x0000); | |
1432 | SIVAL (&challenge->uDomain.offset, 0, 0x00002800); | |
1433 | ||
1434 | /* generate eight pseudo random bytes (method ripped from host.c) */ | |
1435 | ||
1436 | for(i=0;i<8;i++) { | |
1437 | chalstr[i] = (unsigned char)(random_seed >> 16) % 256; | |
1438 | random_seed = (1103515245 - (chalstr[i])) * random_seed + 12345; | |
1439 | }; | |
1440 | ||
1441 | memcpy(challenge->challengeData,chalstr,8); | |
1442 | } | |
1443 | ||
1444 | ||
1445 | ||
1446 | ||
1447 | /* This is the original source of this function, preserved here for reference. | |
1448 | The new version below was re-organized by PH following a patch and some further | |
1449 | suggestions from Mark Lyda to fix the problem that is described at the head of | |
1450 | this module. At the same time, I removed the untidiness in the code below that | |
1451 | involves the "d" and "domain" variables. */ | |
1452 | ||
1453 | #ifdef NEVER | |
1454 | void | |
1455 | spa_build_auth_response (SPAAuthChallenge * challenge, | |
1456 | SPAAuthResponse * response, char *user, | |
1457 | char *password) | |
1458 | { | |
1459 | uint8x lmRespData[24]; | |
1460 | uint8x ntRespData[24]; | |
1461 | char *d = strdup (GetUnicodeString (challenge, uDomain)); | |
1462 | char *domain = d; | |
1463 | char *u = strdup (user); | |
1464 | char *p = strchr (u, '@'); | |
1465 | ||
1466 | if (p) | |
1467 | { | |
1468 | domain = p + 1; | |
1469 | *p = '\0'; | |
1470 | } | |
1471 | ||
1472 | spa_smb_encrypt ((uchar *)password, challenge->challengeData, lmRespData); | |
1473 | spa_smb_nt_encrypt ((uchar *)password, challenge->challengeData, ntRespData); | |
1474 | ||
1475 | response->bufIndex = 0; | |
1476 | memcpy (response->ident, "NTLMSSP\0\0\0", 8); | |
1477 | SIVAL (&response->msgType, 0, 3); | |
1478 | ||
1479 | spa_bytes_add (response, lmResponse, lmRespData, 24); | |
1480 | spa_bytes_add (response, ntResponse, ntRespData, 24); | |
1481 | spa_unicode_add_string (response, uDomain, domain); | |
1482 | spa_unicode_add_string (response, uUser, u); | |
1483 | spa_unicode_add_string (response, uWks, u); | |
1484 | spa_string_add (response, sessionKey, NULL); | |
1485 | ||
1486 | response->flags = challenge->flags; | |
1487 | ||
1488 | free (d); | |
1489 | free (u); | |
1490 | } | |
1491 | #endif | |
1492 | ||
1493 | ||
1494 | /* This is the re-organized version (see comments above) */ | |
1495 | ||
1496 | void | |
1497 | spa_build_auth_response (SPAAuthChallenge * challenge, | |
1498 | SPAAuthResponse * response, char *user, | |
1499 | char *password) | |
1500 | { | |
1501 | uint8x lmRespData[24]; | |
1502 | uint8x ntRespData[24]; | |
1503 | uint32x cf = IVAL(&challenge->flags, 0); | |
1504 | char *u = strdup (user); | |
1505 | char *p = strchr (u, '@'); | |
1506 | char *d = NULL; | |
1507 | char *domain; | |
1508 | ||
1509 | if (p) | |
1510 | { | |
1511 | domain = p + 1; | |
1512 | *p = '\0'; | |
1513 | } | |
1514 | ||
1515 | else domain = d = strdup((cf & 0x1)? | |
1516 | (const char *)GetUnicodeString(challenge, uDomain) : | |
1517 | (const char *)GetString(challenge, uDomain)); | |
1518 | ||
1519 | spa_smb_encrypt ((uchar *)password, challenge->challengeData, lmRespData); | |
1520 | spa_smb_nt_encrypt ((uchar *)password, challenge->challengeData, ntRespData); | |
1521 | ||
1522 | response->bufIndex = 0; | |
1523 | memcpy (response->ident, "NTLMSSP\0\0\0", 8); | |
1524 | SIVAL (&response->msgType, 0, 3); | |
1525 | ||
1526 | spa_bytes_add (response, lmResponse, lmRespData, (cf & 0x200) ? 24 : 0); | |
1527 | spa_bytes_add (response, ntResponse, ntRespData, (cf & 0x8000) ? 24 : 0); | |
1528 | ||
1529 | if (cf & 0x1) { /* Unicode Text */ | |
1530 | spa_unicode_add_string (response, uDomain, domain); | |
1531 | spa_unicode_add_string (response, uUser, u); | |
1532 | spa_unicode_add_string (response, uWks, u); | |
1533 | } else { /* OEM Text */ | |
1534 | spa_string_add (response, uDomain, domain); | |
1535 | spa_string_add (response, uUser, u); | |
1536 | spa_string_add (response, uWks, u); | |
1537 | } | |
1538 | ||
1539 | spa_string_add (response, sessionKey, NULL); | |
1540 | response->flags = challenge->flags; | |
1541 | ||
1542 | if (d != NULL) free (d); | |
1543 | free (u); | |
1544 | } |