Commit | Line | Data |
---|---|---|
03019e41 WD |
1 | This patch adds the --md5 option, which makes rsync use md5 checksums |
2 | instead of md4. | |
3 | ||
4 | To use this patch, run these commands for a successful build: | |
5 | ||
6 | patch -p1 <patches/md5.diff | |
7 | ./configure | |
8 | make | |
9 | ||
9a7eef96 WD |
10 | --- old/Makefile.in |
11 | +++ new/Makefile.in | |
03019e41 | 12 | @@ -27,7 +27,7 @@ VERSION=@VERSION@ |
4b224e71 WD |
13 | .SUFFIXES: .c .o |
14 | ||
15 | HEADERS=byteorder.h config.h errcode.h proto.h rsync.h lib/pool_alloc.h | |
16 | -LIBOBJ=lib/wildmatch.o lib/compat.o lib/snprintf.o lib/mdfour.o \ | |
17 | +LIBOBJ=lib/wildmatch.o lib/compat.o lib/snprintf.o lib/mdfour.o lib/md5.o \ | |
18 | lib/permstring.o lib/pool_alloc.o @LIBOBJS@ | |
1680e814 WD |
19 | ZLIBOBJ=zlib/deflate.o zlib/inffast.o zlib/inflate.o zlib/inftrees.o \ |
20 | zlib/trees.o zlib/zutil.o zlib/adler32.o zlib/compress.o zlib/crc32.o | |
9a7eef96 WD |
21 | --- old/checksum.c |
22 | +++ new/checksum.c | |
03019e41 WD |
23 | @@ -21,6 +21,7 @@ |
24 | */ | |
4b224e71 WD |
25 | |
26 | #include "rsync.h" | |
27 | +#include "lib/md5.h" | |
28 | ||
29 | int csum_length=2; /* initial value */ | |
30 | ||
03019e41 | 31 | @@ -28,6 +29,7 @@ int csum_length=2; /* initial value */ |
4b224e71 WD |
32 | |
33 | extern int checksum_seed; | |
34 | extern int protocol_version; | |
35 | +extern int use_md5; | |
36 | ||
37 | /* | |
38 | a simple 32 bit checksum that can be upadted from either end | |
03019e41 | 39 | @@ -58,6 +60,7 @@ void get_checksum2(char *buf, int32 len, |
4b224e71 WD |
40 | static char *buf1; |
41 | static int32 len1; | |
42 | struct mdfour m; | |
43 | + md5_context ctx; | |
44 | ||
45 | if (len > len1) { | |
46 | if (buf1) | |
03019e41 | 47 | @@ -68,7 +71,10 @@ void get_checksum2(char *buf, int32 len, |
4b224e71 WD |
48 | out_of_memory("get_checksum2"); |
49 | } | |
50 | ||
51 | - mdfour_begin(&m); | |
52 | + if (use_md5) | |
53 | + md5_starts(&ctx); | |
54 | + else | |
55 | + mdfour_begin(&m); | |
56 | ||
57 | memcpy(buf1,buf,len); | |
58 | if (checksum_seed) { | |
03019e41 | 59 | @@ -77,7 +83,10 @@ void get_checksum2(char *buf, int32 len, |
4b224e71 WD |
60 | } |
61 | ||
62 | for(i = 0; i + CSUM_CHUNK <= len; i += CSUM_CHUNK) { | |
63 | - mdfour_update(&m, (uchar *)(buf1+i), CSUM_CHUNK); | |
64 | + if (use_md5) | |
65 | + md5_update(&ctx, (uchar *)(buf1+i), CSUM_CHUNK); | |
66 | + else | |
67 | + mdfour_update(&m, (uchar *)(buf1+i), CSUM_CHUNK); | |
68 | } | |
69 | /* | |
70 | * Prior to version 27 an incorrect MD4 checksum was computed | |
03019e41 | 71 | @@ -86,10 +95,16 @@ void get_checksum2(char *buf, int32 len, |
4b224e71 WD |
72 | * even when there are no more bytes. |
73 | */ | |
74 | if (len - i > 0 || protocol_version >= 27) { | |
75 | - mdfour_update(&m, (uchar *)(buf1+i), (len-i)); | |
76 | + if (use_md5) | |
77 | + md5_update(&ctx, (uchar *)(buf1+i), len-i); | |
78 | + else | |
79 | + mdfour_update(&m, (uchar *)(buf1+i), len-i); | |
80 | } | |
81 | ||
82 | - mdfour_result(&m, (uchar *)sum); | |
83 | + if (use_md5) | |
84 | + md5_finish(&ctx, (uchar *)sum); | |
85 | + else | |
86 | + mdfour_result(&m, (uchar *)sum); | |
87 | } | |
88 | ||
89 | ||
03019e41 | 90 | @@ -100,6 +115,7 @@ void file_checksum(char *fname,char *sum |
4b224e71 WD |
91 | int fd; |
92 | OFF_T len = size; | |
93 | struct mdfour m; | |
94 | + md5_context ctx; | |
95 | ||
96 | memset(sum,0,MD4_SUM_LENGTH); | |
97 | ||
03019e41 | 98 | @@ -109,21 +125,36 @@ void file_checksum(char *fname,char *sum |
4b224e71 WD |
99 | |
100 | buf = map_file(fd, size, MAX_MAP_SIZE, CSUM_CHUNK); | |
101 | ||
102 | - mdfour_begin(&m); | |
103 | + if (use_md5) | |
104 | + md5_starts(&ctx); | |
105 | + else | |
106 | + mdfour_begin(&m); | |
107 | ||
108 | for(i = 0; i + CSUM_CHUNK <= len; i += CSUM_CHUNK) { | |
109 | - mdfour_update(&m, (uchar *)map_ptr(buf, i, CSUM_CHUNK), | |
110 | - CSUM_CHUNK); | |
111 | + if (use_md5) { | |
112 | + md5_update(&ctx, (uchar *)map_ptr(buf, i, CSUM_CHUNK), | |
113 | + CSUM_CHUNK); | |
114 | + } else { | |
115 | + mdfour_update(&m, (uchar *)map_ptr(buf, i, CSUM_CHUNK), | |
116 | + CSUM_CHUNK); | |
117 | + } | |
118 | } | |
119 | ||
120 | /* Prior to version 27 an incorrect MD4 checksum was computed | |
121 | * by failing to call mdfour_tail() for block sizes that | |
122 | * are multiples of 64. This is fixed by calling mdfour_update() | |
123 | * even when there are no more bytes. */ | |
124 | - if (len - i > 0 || protocol_version >= 27) | |
125 | - mdfour_update(&m, (uchar *)map_ptr(buf, i, len-i), len-i); | |
126 | + if (len - i > 0 || protocol_version >= 27) { | |
127 | + if (use_md5) | |
128 | + md5_update(&ctx, (uchar *)map_ptr(buf, i, len-i), len-i); | |
129 | + else | |
130 | + mdfour_update(&m, (uchar *)map_ptr(buf, i, len-i), len-i); | |
131 | + } | |
132 | ||
133 | - mdfour_result(&m, (uchar *)sum); | |
134 | + if (use_md5) | |
135 | + md5_finish(&ctx, (uchar *)sum); | |
136 | + else | |
137 | + mdfour_result(&m, (uchar *)sum); | |
138 | ||
139 | close(fd); | |
140 | unmap_file(buf); | |
03019e41 | 141 | @@ -133,11 +164,15 @@ void file_checksum(char *fname,char *sum |
4b224e71 WD |
142 | static int32 sumresidue; |
143 | static char sumrbuf[CSUM_CHUNK]; | |
144 | static struct mdfour md; | |
145 | +static md5_context ctxd; | |
146 | ||
147 | void sum_init(int seed) | |
148 | { | |
149 | char s[4]; | |
150 | - mdfour_begin(&md); | |
151 | + if (use_md5) | |
152 | + md5_starts(&ctxd); | |
153 | + else | |
154 | + mdfour_begin(&md); | |
155 | sumresidue = 0; | |
156 | SIVAL(s, 0, seed); | |
157 | sum_update(s, 4); | |
03019e41 | 158 | @@ -162,13 +197,19 @@ void sum_update(char *p, int32 len) |
4b224e71 WD |
159 | if (sumresidue) { |
160 | int32 i = CSUM_CHUNK - sumresidue; | |
161 | memcpy(sumrbuf + sumresidue, p, i); | |
162 | - mdfour_update(&md, (uchar *)sumrbuf, CSUM_CHUNK); | |
163 | + if (use_md5) | |
164 | + md5_update(&ctxd, (uchar *)sumrbuf, CSUM_CHUNK); | |
165 | + else | |
166 | + mdfour_update(&md, (uchar *)sumrbuf, CSUM_CHUNK); | |
167 | len -= i; | |
168 | p += i; | |
169 | } | |
170 | ||
171 | while (len >= CSUM_CHUNK) { | |
172 | - mdfour_update(&md, (uchar *)p, CSUM_CHUNK); | |
173 | + if (use_md5) | |
174 | + md5_update(&ctxd, (uchar *)p, CSUM_CHUNK); | |
175 | + else | |
176 | + mdfour_update(&md, (uchar *)p, CSUM_CHUNK); | |
177 | len -= CSUM_CHUNK; | |
178 | p += CSUM_CHUNK; | |
179 | } | |
03019e41 | 180 | @@ -180,8 +221,15 @@ void sum_update(char *p, int32 len) |
4b224e71 WD |
181 | |
182 | void sum_end(char *sum) | |
183 | { | |
184 | - if (sumresidue || protocol_version >= 27) | |
185 | - mdfour_update(&md, (uchar *)sumrbuf, sumresidue); | |
186 | + if (sumresidue || protocol_version >= 27) { | |
187 | + if (use_md5) | |
188 | + md5_update(&ctxd, (uchar *)sumrbuf, sumresidue); | |
189 | + else | |
190 | + mdfour_update(&md, (uchar *)sumrbuf, sumresidue); | |
191 | + } | |
192 | ||
193 | - mdfour_result(&md, (uchar *)sum); | |
194 | + if (use_md5) | |
195 | + md5_finish(&ctxd, (uchar *)sum); | |
196 | + else | |
197 | + mdfour_result(&md, (uchar *)sum); | |
198 | } | |
9a7eef96 WD |
199 | --- old/lib/md5.c |
200 | +++ new/lib/md5.c | |
4b224e71 WD |
201 | @@ -0,0 +1,344 @@ |
202 | +/* | |
203 | + * RFC 1321 compliant MD5 implementation | |
204 | + * | |
205 | + * Copyright (C) 2001-2003 Christophe Devine | |
206 | + * | |
207 | + * This program is free software; you can redistribute it and/or modify | |
208 | + * it under the terms of the GNU General Public License as published by | |
209 | + * the Free Software Foundation; either version 2 of the License, or | |
210 | + * (at your option) any later version. | |
211 | + * | |
212 | + * This program is distributed in the hope that it will be useful, | |
213 | + * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
214 | + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
215 | + * GNU General Public License for more details. | |
216 | + * | |
217 | + * You should have received a copy of the GNU General Public License | |
218 | + * along with this program; if not, write to the Free Software | |
219 | + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
220 | + */ | |
221 | + | |
222 | + | |
223 | +#include "rsync.h" | |
224 | +#include "md5.h" | |
225 | + | |
226 | +#define GET_UINT32(n,b,i) \ | |
227 | +{ \ | |
228 | + (n) = ( (uint32) (b)[(i) ] ) \ | |
229 | + | ( (uint32) (b)[(i) + 1] << 8 ) \ | |
230 | + | ( (uint32) (b)[(i) + 2] << 16 ) \ | |
231 | + | ( (uint32) (b)[(i) + 3] << 24 ); \ | |
232 | +} | |
233 | + | |
234 | +#define PUT_UINT32(n,b,i) \ | |
235 | +{ \ | |
236 | + (b)[(i) ] = (uchar) ( (n) ); \ | |
237 | + (b)[(i) + 1] = (uchar) ( (n) >> 8 ); \ | |
238 | + (b)[(i) + 2] = (uchar) ( (n) >> 16 ); \ | |
239 | + (b)[(i) + 3] = (uchar) ( (n) >> 24 ); \ | |
240 | +} | |
241 | + | |
242 | +void md5_starts( md5_context *ctx ) | |
243 | +{ | |
244 | + ctx->total[0] = 0; | |
245 | + ctx->total[1] = 0; | |
246 | + | |
247 | + ctx->state[0] = 0x67452301; | |
248 | + ctx->state[1] = 0xEFCDAB89; | |
249 | + ctx->state[2] = 0x98BADCFE; | |
250 | + ctx->state[3] = 0x10325476; | |
251 | +} | |
252 | + | |
253 | +void md5_process( md5_context *ctx, uchar data[64] ) | |
254 | +{ | |
255 | + uint32 X[16], A, B, C, D; | |
256 | + | |
257 | + GET_UINT32( X[0], data, 0 ); | |
258 | + GET_UINT32( X[1], data, 4 ); | |
259 | + GET_UINT32( X[2], data, 8 ); | |
260 | + GET_UINT32( X[3], data, 12 ); | |
261 | + GET_UINT32( X[4], data, 16 ); | |
262 | + GET_UINT32( X[5], data, 20 ); | |
263 | + GET_UINT32( X[6], data, 24 ); | |
264 | + GET_UINT32( X[7], data, 28 ); | |
265 | + GET_UINT32( X[8], data, 32 ); | |
266 | + GET_UINT32( X[9], data, 36 ); | |
267 | + GET_UINT32( X[10], data, 40 ); | |
268 | + GET_UINT32( X[11], data, 44 ); | |
269 | + GET_UINT32( X[12], data, 48 ); | |
270 | + GET_UINT32( X[13], data, 52 ); | |
271 | + GET_UINT32( X[14], data, 56 ); | |
272 | + GET_UINT32( X[15], data, 60 ); | |
273 | + | |
274 | +#define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n))) | |
275 | + | |
276 | +#define P(a,b,c,d,k,s,t) \ | |
277 | +{ \ | |
278 | + a += F(b,c,d) + X[k] + t; a = S(a,s) + b; \ | |
279 | +} | |
280 | + | |
281 | + A = ctx->state[0]; | |
282 | + B = ctx->state[1]; | |
283 | + C = ctx->state[2]; | |
284 | + D = ctx->state[3]; | |
285 | + | |
286 | +#define F(x,y,z) (z ^ (x & (y ^ z))) | |
287 | + | |
288 | + P( A, B, C, D, 0, 7, 0xD76AA478 ); | |
289 | + P( D, A, B, C, 1, 12, 0xE8C7B756 ); | |
290 | + P( C, D, A, B, 2, 17, 0x242070DB ); | |
291 | + P( B, C, D, A, 3, 22, 0xC1BDCEEE ); | |
292 | + P( A, B, C, D, 4, 7, 0xF57C0FAF ); | |
293 | + P( D, A, B, C, 5, 12, 0x4787C62A ); | |
294 | + P( C, D, A, B, 6, 17, 0xA8304613 ); | |
295 | + P( B, C, D, A, 7, 22, 0xFD469501 ); | |
296 | + P( A, B, C, D, 8, 7, 0x698098D8 ); | |
297 | + P( D, A, B, C, 9, 12, 0x8B44F7AF ); | |
298 | + P( C, D, A, B, 10, 17, 0xFFFF5BB1 ); | |
299 | + P( B, C, D, A, 11, 22, 0x895CD7BE ); | |
300 | + P( A, B, C, D, 12, 7, 0x6B901122 ); | |
301 | + P( D, A, B, C, 13, 12, 0xFD987193 ); | |
302 | + P( C, D, A, B, 14, 17, 0xA679438E ); | |
303 | + P( B, C, D, A, 15, 22, 0x49B40821 ); | |
304 | + | |
305 | +#undef F | |
306 | + | |
307 | +#define F(x,y,z) (y ^ (z & (x ^ y))) | |
308 | + | |
309 | + P( A, B, C, D, 1, 5, 0xF61E2562 ); | |
310 | + P( D, A, B, C, 6, 9, 0xC040B340 ); | |
311 | + P( C, D, A, B, 11, 14, 0x265E5A51 ); | |
312 | + P( B, C, D, A, 0, 20, 0xE9B6C7AA ); | |
313 | + P( A, B, C, D, 5, 5, 0xD62F105D ); | |
314 | + P( D, A, B, C, 10, 9, 0x02441453 ); | |
315 | + P( C, D, A, B, 15, 14, 0xD8A1E681 ); | |
316 | + P( B, C, D, A, 4, 20, 0xE7D3FBC8 ); | |
317 | + P( A, B, C, D, 9, 5, 0x21E1CDE6 ); | |
318 | + P( D, A, B, C, 14, 9, 0xC33707D6 ); | |
319 | + P( C, D, A, B, 3, 14, 0xF4D50D87 ); | |
320 | + P( B, C, D, A, 8, 20, 0x455A14ED ); | |
321 | + P( A, B, C, D, 13, 5, 0xA9E3E905 ); | |
322 | + P( D, A, B, C, 2, 9, 0xFCEFA3F8 ); | |
323 | + P( C, D, A, B, 7, 14, 0x676F02D9 ); | |
324 | + P( B, C, D, A, 12, 20, 0x8D2A4C8A ); | |
325 | + | |
326 | +#undef F | |
327 | + | |
328 | +#define F(x,y,z) (x ^ y ^ z) | |
329 | + | |
330 | + P( A, B, C, D, 5, 4, 0xFFFA3942 ); | |
331 | + P( D, A, B, C, 8, 11, 0x8771F681 ); | |
332 | + P( C, D, A, B, 11, 16, 0x6D9D6122 ); | |
333 | + P( B, C, D, A, 14, 23, 0xFDE5380C ); | |
334 | + P( A, B, C, D, 1, 4, 0xA4BEEA44 ); | |
335 | + P( D, A, B, C, 4, 11, 0x4BDECFA9 ); | |
336 | + P( C, D, A, B, 7, 16, 0xF6BB4B60 ); | |
337 | + P( B, C, D, A, 10, 23, 0xBEBFBC70 ); | |
338 | + P( A, B, C, D, 13, 4, 0x289B7EC6 ); | |
339 | + P( D, A, B, C, 0, 11, 0xEAA127FA ); | |
340 | + P( C, D, A, B, 3, 16, 0xD4EF3085 ); | |
341 | + P( B, C, D, A, 6, 23, 0x04881D05 ); | |
342 | + P( A, B, C, D, 9, 4, 0xD9D4D039 ); | |
343 | + P( D, A, B, C, 12, 11, 0xE6DB99E5 ); | |
344 | + P( C, D, A, B, 15, 16, 0x1FA27CF8 ); | |
345 | + P( B, C, D, A, 2, 23, 0xC4AC5665 ); | |
346 | + | |
347 | +#undef F | |
348 | + | |
349 | +#define F(x,y,z) (y ^ (x | ~z)) | |
350 | + | |
351 | + P( A, B, C, D, 0, 6, 0xF4292244 ); | |
352 | + P( D, A, B, C, 7, 10, 0x432AFF97 ); | |
353 | + P( C, D, A, B, 14, 15, 0xAB9423A7 ); | |
354 | + P( B, C, D, A, 5, 21, 0xFC93A039 ); | |
355 | + P( A, B, C, D, 12, 6, 0x655B59C3 ); | |
356 | + P( D, A, B, C, 3, 10, 0x8F0CCC92 ); | |
357 | + P( C, D, A, B, 10, 15, 0xFFEFF47D ); | |
358 | + P( B, C, D, A, 1, 21, 0x85845DD1 ); | |
359 | + P( A, B, C, D, 8, 6, 0x6FA87E4F ); | |
360 | + P( D, A, B, C, 15, 10, 0xFE2CE6E0 ); | |
361 | + P( C, D, A, B, 6, 15, 0xA3014314 ); | |
362 | + P( B, C, D, A, 13, 21, 0x4E0811A1 ); | |
363 | + P( A, B, C, D, 4, 6, 0xF7537E82 ); | |
364 | + P( D, A, B, C, 11, 10, 0xBD3AF235 ); | |
365 | + P( C, D, A, B, 2, 15, 0x2AD7D2BB ); | |
366 | + P( B, C, D, A, 9, 21, 0xEB86D391 ); | |
367 | + | |
368 | +#undef F | |
369 | + | |
370 | + ctx->state[0] += A; | |
371 | + ctx->state[1] += B; | |
372 | + ctx->state[2] += C; | |
373 | + ctx->state[3] += D; | |
374 | +} | |
375 | + | |
376 | +void md5_update( md5_context *ctx, uchar *input, uint32 length ) | |
377 | +{ | |
378 | + uint32 left, fill; | |
379 | + | |
380 | + if( ! length ) return; | |
381 | + | |
382 | + left = ctx->total[0] & 0x3F; | |
383 | + fill = 64 - left; | |
384 | + | |
385 | + ctx->total[0] += length; | |
386 | + ctx->total[0] &= 0xFFFFFFFF; | |
387 | + | |
388 | + if( ctx->total[0] < length ) | |
389 | + ctx->total[1]++; | |
390 | + | |
391 | + if( left && length >= fill ) | |
392 | + { | |
393 | + memcpy( (void *) (ctx->buffer + left), | |
394 | + (void *) input, fill ); | |
395 | + md5_process( ctx, ctx->buffer ); | |
396 | + length -= fill; | |
397 | + input += fill; | |
398 | + left = 0; | |
399 | + } | |
400 | + | |
401 | + while( length >= 64 ) | |
402 | + { | |
403 | + md5_process( ctx, input ); | |
404 | + length -= 64; | |
405 | + input += 64; | |
406 | + } | |
407 | + | |
408 | + if( length ) | |
409 | + { | |
410 | + memcpy( (void *) (ctx->buffer + left), | |
411 | + (void *) input, length ); | |
412 | + } | |
413 | +} | |
414 | + | |
415 | +static uchar md5_padding[64] = | |
416 | +{ | |
417 | + 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
418 | + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
419 | + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
420 | + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 | |
421 | +}; | |
422 | + | |
423 | +void md5_finish( md5_context *ctx, uchar digest[16] ) | |
424 | +{ | |
425 | + uint32 last, padn; | |
426 | + uint32 high, low; | |
427 | + uchar msglen[8]; | |
428 | + | |
429 | + high = ( ctx->total[0] >> 29 ) | |
430 | + | ( ctx->total[1] << 3 ); | |
431 | + low = ( ctx->total[0] << 3 ); | |
432 | + | |
433 | + PUT_UINT32( low, msglen, 0 ); | |
434 | + PUT_UINT32( high, msglen, 4 ); | |
435 | + | |
436 | + last = ctx->total[0] & 0x3F; | |
437 | + padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); | |
438 | + | |
439 | + md5_update( ctx, md5_padding, padn ); | |
440 | + md5_update( ctx, msglen, 8 ); | |
441 | + | |
442 | + PUT_UINT32( ctx->state[0], digest, 0 ); | |
443 | + PUT_UINT32( ctx->state[1], digest, 4 ); | |
444 | + PUT_UINT32( ctx->state[2], digest, 8 ); | |
445 | + PUT_UINT32( ctx->state[3], digest, 12 ); | |
446 | +} | |
447 | + | |
448 | +#ifdef TEST | |
449 | + | |
450 | +#include <stdlib.h> | |
451 | +#include <stdio.h> | |
452 | + | |
453 | +/* | |
454 | + * those are the standard RFC 1321 test vectors | |
455 | + */ | |
456 | + | |
457 | +static char *msg[] = | |
458 | +{ | |
459 | + "", | |
460 | + "a", | |
461 | + "abc", | |
462 | + "message digest", | |
463 | + "abcdefghijklmnopqrstuvwxyz", | |
464 | + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", | |
465 | + "12345678901234567890123456789012345678901234567890123456789012" \ | |
466 | + "345678901234567890" | |
467 | +}; | |
468 | + | |
469 | +static char *val[] = | |
470 | +{ | |
471 | + "d41d8cd98f00b204e9800998ecf8427e", | |
472 | + "0cc175b9c0f1b6a831c399e269772661", | |
473 | + "900150983cd24fb0d6963f7d28e17f72", | |
474 | + "f96b697d7cb7938d525a2f31aaf161d0", | |
475 | + "c3fcd3d76192e4007dfb496cca67e13b", | |
476 | + "d174ab98d277d9f5a5611c2c9f419d9f", | |
477 | + "57edf4a22be3c955ac49da2e2107b67a" | |
478 | +}; | |
479 | + | |
480 | +int main( int argc, char *argv[] ) | |
481 | +{ | |
482 | + FILE *f; | |
483 | + int i, j; | |
484 | + char output[33]; | |
485 | + md5_context ctx; | |
486 | + unsigned char buf[1000]; | |
487 | + unsigned char md5sum[16]; | |
488 | + | |
489 | + if( argc < 2 ) | |
490 | + { | |
491 | + printf( "\n MD5 Validation Tests:\n\n" ); | |
492 | + | |
493 | + for( i = 0; i < 7; i++ ) | |
494 | + { | |
495 | + printf( " Test %d ", i + 1 ); | |
496 | + | |
497 | + md5_starts( &ctx ); | |
498 | + md5_update( &ctx, (uchar *) msg[i], strlen( msg[i] ) ); | |
499 | + md5_finish( &ctx, md5sum ); | |
500 | + | |
501 | + for( j = 0; j < 16; j++ ) | |
502 | + { | |
503 | + sprintf( output + j * 2, "%02x", md5sum[j] ); | |
504 | + } | |
505 | + | |
506 | + if( memcmp( output, val[i], 32 ) ) | |
507 | + { | |
508 | + printf( "failed!\n" ); | |
509 | + return( 1 ); | |
510 | + } | |
511 | + | |
512 | + printf( "passed.\n" ); | |
513 | + } | |
514 | + | |
515 | + printf( "\n" ); | |
516 | + } | |
517 | + else | |
518 | + { | |
519 | + if( ! ( f = fopen( argv[1], "rb" ) ) ) | |
520 | + { | |
521 | + perror( "fopen" ); | |
522 | + return( 1 ); | |
523 | + } | |
524 | + | |
525 | + md5_starts( &ctx ); | |
526 | + | |
527 | + while( ( i = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) | |
528 | + { | |
529 | + md5_update( &ctx, buf, i ); | |
530 | + } | |
531 | + | |
532 | + md5_finish( &ctx, md5sum ); | |
533 | + | |
534 | + for( j = 0; j < 16; j++ ) | |
535 | + { | |
536 | + printf( "%02x", md5sum[j] ); | |
537 | + } | |
538 | + | |
539 | + printf( " %s\n", argv[1] ); | |
540 | + } | |
541 | + | |
542 | + return( 0 ); | |
543 | +} | |
544 | + | |
545 | +#endif | |
9a7eef96 WD |
546 | --- old/lib/md5.h |
547 | +++ new/lib/md5.h | |
4b224e71 WD |
548 | @@ -0,0 +1,14 @@ |
549 | +#ifndef _MD5_H | |
550 | +#define _MD5_H | |
551 | + | |
552 | +typedef struct { | |
553 | + uint32 total[2]; | |
554 | + uint32 state[4]; | |
555 | + uchar buffer[64]; | |
556 | +} md5_context; | |
557 | + | |
558 | +void md5_starts(md5_context *ctx); | |
559 | +void md5_update(md5_context *ctx, uchar *input, uint32 length); | |
560 | +void md5_finish(md5_context *ctx, uchar digest[16]); | |
561 | + | |
562 | +#endif /* md5.h */ | |
9a7eef96 WD |
563 | --- old/options.c |
564 | +++ new/options.c | |
afcb578c | 565 | @@ -117,6 +117,7 @@ int inplace = 0; |
4b224e71 WD |
566 | int delay_updates = 0; |
567 | long block_size = 0; /* "long" because popt can't set an int32. */ | |
568 | ||
569 | +int use_md5 = 0; | |
570 | ||
571 | /** Network address family. **/ | |
572 | #ifdef INET6 | |
03019e41 | 573 | @@ -381,6 +382,7 @@ void usage(enum logcode F) |
4b224e71 WD |
574 | rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n"); |
575 | rprintf(F," --read-batch=FILE read a batched update from FILE\n"); | |
576 | rprintf(F," --protocol=NUM force an older protocol version to be used\n"); | |
577 | + rprintf(F," --md5 use MD5 checksums instead of MD4\n"); | |
578 | #ifdef INET6 | |
579 | rprintf(F," -4, --ipv4 prefer IPv4\n"); | |
580 | rprintf(F," -6, --ipv6 prefer IPv6\n"); | |
03019e41 | 581 | @@ -494,6 +496,7 @@ static struct poptOption long_options[] |
489b0a72 WD |
582 | {"whole-file", 'W', POPT_ARG_VAL, &whole_file, 1, 0, 0 }, |
583 | {"no-whole-file", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 }, | |
584 | {"no-W", 0, POPT_ARG_VAL, &whole_file, 0, 0, 0 }, | |
4b224e71 | 585 | + {"md5", 0, POPT_ARG_NONE, &use_md5, 0, 0, 0 }, |
489b0a72 WD |
586 | {"checksum", 'c', POPT_ARG_NONE, &always_checksum, 0, 0, 0 }, |
587 | {"block-size", 'B', POPT_ARG_LONG, &block_size, 0, 0, 0 }, | |
588 | {"compare-dest", 0, POPT_ARG_STRING, 0, OPT_COMPARE_DEST, 0, 0 }, | |
03019e41 | 589 | @@ -1642,6 +1645,9 @@ void server_options(char **args,int *arg |
4b224e71 WD |
590 | args[ac++] = arg; |
591 | } | |
592 | ||
593 | + if (use_md5) | |
594 | + args[ac++] = "--md5"; | |
595 | + | |
596 | if (backup_dir) { | |
597 | args[ac++] = "--backup-dir"; | |
598 | args[ac++] = backup_dir; |