1 /*
2 * Derived from:
3 *
4 * MDDRIVER.C - test driver for MD2, MD4 and MD5
5 */
6
7 /*
8 * Copyright (C) 1990-2, RSA Data Security, Inc. Created 1990. All
9 * rights reserved.
10 *
11 * RSA Data Security, Inc. makes no representations concerning either
12 * the merchantability of this software or the suitability of this
13 * software for any particular purpose. It is provided "as is"
14 * without express or implied warranty of any kind.
15 *
16 * These notices must be retained in any copies of any part of this
17 * documentation and/or software.
18 */
19
20 #include <sys/param.h>
21 #include <sys/resource.h>
22 #include <sys/stat.h>
23 #include <sys/time.h>
24
25 #include <err.h>
26 #include <errno.h>
27 #include <fcntl.h>
28 #include <getopt.h>
29 #include <md5.h>
30 #include <osreldate.h>
31 #include <ripemd.h>
32 #include <sha.h>
33 #include <sha224.h>
34 #include <sha256.h>
35 #include <sha384.h>
36 #include <sha512.h>
37 #include <sha512t.h>
38 #include <skein.h>
39 #include <stdbool.h>
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <string.h>
43 #include <time.h>
44 #include <unistd.h>
45
46 #ifdef HAVE_CAPSICUM
47 #include <sys/capsicum.h>
48 #include <capsicum_helpers.h>
49 #include <libcasper.h>
50 #include <casper/cap_fileargs.h>
51 #endif
52
53 /*
54 * Length of test block, number of test blocks.
55 */
56 #define TEST_BLOCK_LEN 10000
57 #define TEST_BLOCK_COUNT 100000
58 #define MDTESTCOUNT 8
59
60 static char *progname;
61
62 static bool cflag;
63 static bool pflag;
64 static bool qflag;
65 static bool sflag;
66 static bool wflag;
67 static bool strict;
68 static bool skip;
69 static bool ignoreMissing;
70 static char* checkAgainst;
71 static int checksFailed;
72 static bool failed;
73 static int endl = '\n';
74
75 typedef void (DIGEST_Init)(void *);
76 typedef void (DIGEST_Update)(void *, const unsigned char *, size_t);
77 typedef char *(DIGEST_End)(void *, char *);
78
79 extern const char *MD5TestOutput[MDTESTCOUNT];
80 extern const char *SHA1_TestOutput[MDTESTCOUNT];
81 extern const char *SHA224_TestOutput[MDTESTCOUNT];
82 extern const char *SHA256_TestOutput[MDTESTCOUNT];
83 extern const char *SHA384_TestOutput[MDTESTCOUNT];
84 extern const char *SHA512_TestOutput[MDTESTCOUNT];
85 extern const char *SHA512t224_TestOutput[MDTESTCOUNT];
86 extern const char *SHA512t256_TestOutput[MDTESTCOUNT];
87 extern const char *RIPEMD160_TestOutput[MDTESTCOUNT];
88 extern const char *SKEIN256_TestOutput[MDTESTCOUNT];
89 extern const char *SKEIN512_TestOutput[MDTESTCOUNT];
90 extern const char *SKEIN1024_TestOutput[MDTESTCOUNT];
91
92 typedef struct Algorithm_t {
93 const char *progname;
94 const char *perlname;
95 const char *name;
96 const char *(*TestOutput)[MDTESTCOUNT];
97 DIGEST_Init *Init;
98 DIGEST_Update *Update;
99 DIGEST_End *End;
100 char *(*Data)(const void *, unsigned int, char *);
101 } Algorithm_t;
102
103 static void MD5_Update(MD5_CTX *, const unsigned char *, size_t);
104 static char *MDInput(const Algorithm_t *, FILE *, char *, bool);
105 static void MDOutput(const Algorithm_t *, char *, const char *);
106 static void MDTimeTrial(const Algorithm_t *);
107 static void MDTestSuite(const Algorithm_t *);
108 static void usage(const Algorithm_t *);
109 static void version(void);
110
111 typedef union {
112 MD5_CTX md5;
113 SHA1_CTX sha1;
114 SHA224_CTX sha224;
115 SHA256_CTX sha256;
116 SHA384_CTX sha384;
117 SHA512_CTX sha512;
118 RIPEMD160_CTX ripemd160;
119 SKEIN256_CTX skein256;
120 SKEIN512_CTX skein512;
121 SKEIN1024_CTX skein1024;
122 } DIGEST_CTX;
123
124 /* max(MD5_DIGEST_LENGTH, SHA_DIGEST_LENGTH,
125 SHA256_DIGEST_LENGTH, SHA512_DIGEST_LENGTH,
126 RIPEMD160_DIGEST_LENGTH, SKEIN1024_DIGEST_LENGTH)*2+1 */
127 #define HEX_DIGEST_LENGTH 257
128
129 /* algorithm function table */
130
131 static const struct Algorithm_t Algorithm[] = {
132 { "md5", NULL, "MD5",
133 &MD5TestOutput, (DIGEST_Init*)&MD5Init,
134 (DIGEST_Update*)&MD5_Update, (DIGEST_End*)&MD5End,
135 &MD5Data },
136 { "sha1", "1", "SHA1",
137 &SHA1_TestOutput, (DIGEST_Init*)&SHA1_Init,
138 (DIGEST_Update*)&SHA1_Update, (DIGEST_End*)&SHA1_End,
139 &SHA1_Data },
140 { "sha224", "224", "SHA224",
141 &SHA224_TestOutput, (DIGEST_Init*)&SHA224_Init,
142 (DIGEST_Update*)&SHA224_Update, (DIGEST_End*)&SHA224_End,
143 &SHA224_Data },
144 { "sha256", "256", "SHA256",
145 &SHA256_TestOutput, (DIGEST_Init*)&SHA256_Init,
146 (DIGEST_Update*)&SHA256_Update, (DIGEST_End*)&SHA256_End,
147 &SHA256_Data },
148 { "sha384", "384", "SHA384",
149 &SHA384_TestOutput, (DIGEST_Init*)&SHA384_Init,
150 (DIGEST_Update*)&SHA384_Update, (DIGEST_End*)&SHA384_End,
151 &SHA384_Data },
152 { "sha512", "512", "SHA512",
153 &SHA512_TestOutput, (DIGEST_Init*)&SHA512_Init,
154 (DIGEST_Update*)&SHA512_Update, (DIGEST_End*)&SHA512_End,
155 &SHA512_Data },
156 { "sha512t224", "512224", "SHA512t224",
157 &SHA512t224_TestOutput, (DIGEST_Init*)&SHA512_224_Init,
158 (DIGEST_Update*)&SHA512_224_Update, (DIGEST_End*)&SHA512_224_End,
159 &SHA512_224_Data },
160 { "sha512t256", "512256", "SHA512t256",
161 &SHA512t256_TestOutput, (DIGEST_Init*)&SHA512_256_Init,
162 (DIGEST_Update*)&SHA512_256_Update, (DIGEST_End*)&SHA512_256_End,
163 &SHA512_256_Data },
164 { "rmd160", NULL, "RMD160",
165 &RIPEMD160_TestOutput,
166 (DIGEST_Init*)&RIPEMD160_Init, (DIGEST_Update*)&RIPEMD160_Update,
167 (DIGEST_End*)&RIPEMD160_End, &RIPEMD160_Data },
168 { "skein256", NULL, "Skein256",
169 &SKEIN256_TestOutput,
170 (DIGEST_Init*)&SKEIN256_Init, (DIGEST_Update*)&SKEIN256_Update,
171 (DIGEST_End*)&SKEIN256_End, &SKEIN256_Data },
172 { "skein512", NULL, "Skein512",
173 &SKEIN512_TestOutput,
174 (DIGEST_Init*)&SKEIN512_Init, (DIGEST_Update*)&SKEIN512_Update,
175 (DIGEST_End*)&SKEIN512_End, &SKEIN512_Data },
176 { "skein1024", NULL, "Skein1024",
177 &SKEIN1024_TestOutput,
178 (DIGEST_Init*)&SKEIN1024_Init, (DIGEST_Update*)&SKEIN1024_Update,
179 (DIGEST_End*)&SKEIN1024_End, &SKEIN1024_Data },
180 { }
181 };
182
183 static int digest = -1;
184 static unsigned int malformed;
185
186 static enum mode {
187 mode_bsd,
188 mode_gnu,
189 mode_perl,
190 } mode = mode_bsd;
191
192 static enum input_mode {
193 input_binary = '*',
194 input_text = ' ',
195 input_universal = 'U',
196 input_bits = '^',
197 } input_mode = input_binary;
198
199 static enum output_mode {
200 output_bare,
201 output_tagged,
202 output_reverse,
203 output_gnu,
204 } output_mode = output_tagged;
205
206 enum optval {
207 opt_end = -1,
208 /* ensure we don't collide with shortopts */
209 opt_dummy = CHAR_MAX,
210 /* BSD options */
211 opt_check,
212 opt_passthrough,
213 opt_quiet,
214 opt_reverse,
215 opt_string,
216 opt_time_trial,
217 opt_self_test,
218 /* GNU options */
219 opt_binary,
220 opt_help,
221 opt_ignore_missing,
222 opt_status,
223 opt_strict,
224 opt_tag,
225 opt_text,
226 opt_warn,
227 opt_version,
228 opt_zero,
229 /* Perl options */
230 opt_algorithm,
231 opt_bits,
232 opt_universal,
233 };
234
235 static const struct option bsd_longopts[] = {
236 { "check", required_argument, 0, opt_check },
237 { "passthrough", no_argument, 0, opt_passthrough },
238 { "quiet", no_argument, 0, opt_quiet },
239 { "reverse", no_argument, 0, opt_reverse },
240 { "string", required_argument, 0, opt_string },
241 { "time-trial", no_argument, 0, opt_time_trial },
242 { "self-test", no_argument, 0, opt_self_test },
243 { }
244 };
245 static const char *bsd_shortopts = "bc:pqrs:tx";
246
247 static const struct option gnu_longopts[] = {
248 { "binary", no_argument, 0, opt_binary },
249 { "check", no_argument, 0, opt_check },
250 { "help", no_argument, 0, opt_help },
251 { "ignore-missing", no_argument, 0, opt_ignore_missing },
252 { "quiet", no_argument, 0, opt_quiet },
253 { "status", no_argument, 0, opt_status },
254 { "strict", no_argument, 0, opt_strict },
255 { "tag", no_argument, 0, opt_tag },
256 { "text", no_argument, 0, opt_text },
257 { "version", no_argument, 0, opt_version },
258 { "warn", no_argument, 0, opt_warn },
259 { "zero", no_argument, 0, opt_zero },
260 { }
261 };
262 static const char *gnu_shortopts = "bctwz";
263
264 static const struct option perl_longopts[] = {
265 { "algorithm", required_argument, 0, opt_algorithm },
266 { "binary", no_argument, 0, opt_binary },
267 { "check", no_argument, 0, opt_check },
268 { "help", no_argument, 0, opt_help },
269 { "ignore-missing", no_argument, 0, opt_ignore_missing },
270 { "quiet", no_argument, 0, opt_quiet },
271 { "status", no_argument, 0, opt_status },
272 { "strict", no_argument, 0, opt_strict },
273 { "tag", no_argument, 0, opt_tag },
274 { "text", no_argument, 0, opt_text },
275 { "UNIVERSAL", no_argument, 0, opt_universal },
276 { "version", no_argument, 0, opt_version },
277 { "warn", no_argument, 0, opt_warn },
278 { "01", no_argument, 0, opt_bits },
279 { }
280 };
281 static const char *perl_shortopts = "0a:bchqstUvw";
282
283 static void
MD5_Update(MD5_CTX * c,const unsigned char * data,size_t len)284 MD5_Update(MD5_CTX *c, const unsigned char *data, size_t len)
285 {
286 MD5Update(c, data, len);
287 }
288
289 struct chksumrec {
290 char *filename;
291 enum input_mode input_mode;
292 char *chksum;
293 struct chksumrec *next;
294 };
295
296 static struct chksumrec *head = NULL;
297 static struct chksumrec **next = &head;
298 static unsigned int numrecs;
299
300 #define PADDING 7 /* extra padding for "SHA512t256 (...) = ...\n" style */
301 #define CHKFILELINELEN (HEX_DIGEST_LENGTH + MAXPATHLEN + PADDING)
302
303 static void
gnu_check(const char * checksumsfile)304 gnu_check(const char *checksumsfile)
305 {
306 FILE *inp;
307 char *linebuf = NULL;
308 size_t linecap;
309 ssize_t linelen;
310 int lineno;
311 char *filename;
312 char *hashstr;
313 struct chksumrec *rec;
314 const char *digestname;
315 size_t digestnamelen;
316 size_t hashstrlen;
317 struct stat st;
318
319 if (strcmp(checksumsfile, "-") == 0)
320 inp = stdin;
321 else if ((inp = fopen(checksumsfile, "r")) == NULL)
322 err(1, "%s", checksumsfile);
323 digestname = Algorithm[digest].name;
324 digestnamelen = strlen(digestname);
325 hashstrlen = strlen(*(Algorithm[digest].TestOutput[0]));
326 lineno = 0;
327 linecap = CHKFILELINELEN;
328 while ((linelen = getline(&linebuf, &linecap, inp)) > 0) {
329 lineno++;
330 while (linelen > 0 && linebuf[linelen - 1] == '\n')
331 linelen--;
332 linebuf[linelen] = '\0';
333 filename = linebuf + digestnamelen + 2;
334 hashstr = linebuf + linelen - hashstrlen;
335 /*
336 * supported formats:
337 * BSD: <DigestName> (<Filename>): <Digest>
338 * GNU: <Digest> [ *U^]<Filename>
339 */
340 if ((size_t)linelen >= digestnamelen + hashstrlen + 6 &&
341 strncmp(linebuf, digestname, digestnamelen) == 0 &&
342 strncmp(filename - 2, " (", 2) == 0 &&
343 strncmp(hashstr - 4, ") = ", 4) == 0 &&
344 strspn(hashstr, "0123456789ABCDEFabcdef") == hashstrlen) {
345 *(hashstr - 4) = '\0';
346 } else if ((size_t)linelen >= hashstrlen + 3 &&
347 strspn(linebuf, "0123456789ABCDEFabcdef") == hashstrlen &&
348 linebuf[hashstrlen] == ' ') {
349 linebuf[hashstrlen] = '\0';
350 hashstr = linebuf;
351 filename = linebuf + hashstrlen + 1;
352 } else {
353 if (wflag) {
354 warnx("%s: %d: improperly formatted "
355 "%s checksum line",
356 checksumsfile, lineno,
357 mode == mode_perl ? "SHA" : digestname);
358 }
359 malformed++;
360 continue;
361 }
362 rec = malloc(sizeof(*rec));
363 if (rec == NULL)
364 errx(1, "malloc failed");
365
366 if ((*filename == '*' || *filename == ' ' ||
367 *filename == 'U' || *filename == '^') &&
368 lstat(filename, &st) != 0 &&
369 lstat(filename + 1, &st) == 0) {
370 rec->filename = strdup(filename + 1);
371 rec->input_mode = (enum input_mode)*filename;
372 } else {
373 rec->filename = strdup(filename);
374 rec->input_mode = input_mode;
375 }
376
377 rec->chksum = strdup(hashstr);
378 if (rec->chksum == NULL || rec->filename == NULL)
379 errx(1, "malloc failed");
380 rec->next = NULL;
381 *next = rec;
382 next = &rec->next;
383 numrecs++;
384 }
385 if (inp != stdin)
386 fclose(inp);
387 }
388
389 /* Main driver.
390
391 Arguments (may be any combination):
392 -sstring - digests string
393 -t - runs time trial
394 -x - runs test script
395 filename - digests file
396 (none) - digests standard input
397 */
398 int
main(int argc,char * argv[])399 main(int argc, char *argv[])
400 {
401 #ifdef HAVE_CAPSICUM
402 cap_rights_t rights;
403 fileargs_t *fa = NULL;
404 #endif
405 const struct option *longopts;
406 const char *shortopts;
407 FILE *f;
408 int i, opt;
409 char *p, *string = NULL;
410 char buf[HEX_DIGEST_LENGTH];
411 size_t len;
412 struct chksumrec *rec;
413
414 if ((progname = strrchr(argv[0], '/')) == NULL)
415 progname = argv[0];
416 else
417 progname++;
418
419 /*
420 * GNU coreutils has a number of programs named *sum. These produce
421 * similar results to the BSD version, but in a different format,
422 * similar to BSD's -r flag. We install links to this program with
423 * ending 'sum' to provide this compatibility. Check here to see if the
424 * name of the program ends in 'sum', set the flag and drop the 'sum' so
425 * the digest lookup works. Also, make -t a nop when running in this mode
426 * since that means 'text file' there (though it's a nop in coreutils
427 * on unix-like systems). The -c flag conflicts, so it's just disabled
428 * in this mode (though in the future it might be implemented).
429 *
430 * We also strive to be compatible with the shasum script which is
431 * included in Perl. It is roughly equivalent to the GNU offering
432 * but uses a command-line argument to select the algorithm, and
433 * supports only SHA-1 and SHA-2.
434 */
435 len = strlen(progname);
436 if (strcmp(progname, "shasum") == 0) {
437 mode = mode_perl;
438 input_mode = input_text;
439 output_mode = output_gnu;
440 digest = 1;
441 longopts = perl_longopts;
442 shortopts = perl_shortopts;
443 } else if (len > 3 && strcmp(progname + len - 3, "sum") == 0) {
444 len -= 3;
445 mode = mode_gnu;
446 input_mode = input_text;
447 /*
448 * The historical behavior in GNU emulation mode is
449 * output_reverse, however this not true to the original
450 * and the flag that was used to force the correct output
451 * was -b, which means something else (input_binary) in
452 * GNU land. Switch to the correct behavior.
453 */
454 output_mode = output_gnu;
455 longopts = gnu_longopts;
456 shortopts = gnu_shortopts;
457 } else {
458 mode = mode_bsd;
459 input_mode = input_binary;
460 output_mode = output_tagged;
461 longopts = bsd_longopts;
462 shortopts = bsd_shortopts;
463 }
464
465 if (digest < 0) {
466 for (digest = 0; Algorithm[digest].progname != NULL; digest++)
467 if (strncasecmp(Algorithm[digest].progname, progname, len) == 0)
468 break;
469
470 if (Algorithm[digest].progname == NULL)
471 digest = 0;
472 }
473
474 failed = false;
475 checkAgainst = NULL;
476 checksFailed = 0;
477 skip = false;
478 while ((opt = getopt_long(argc, argv, shortopts, longopts, NULL)) != opt_end)
479 switch (opt) {
480 case opt_bits:
481 case '0':
482 input_mode = input_bits;
483 break;
484 case opt_algorithm:
485 case 'a':
486 for (i = 0; Algorithm[i].progname != NULL; i++) {
487 if (Algorithm[i].perlname != NULL &&
488 strcasecmp(Algorithm[i].perlname, optarg) == 0) {
489 digest = i;
490 break;
491 }
492 }
493 if (Algorithm[i].progname == NULL)
494 usage(&Algorithm[digest]);
495 break;
496 case opt_binary:
497 case 'b':
498 /* in BSD mode, -b is now a no-op */
499 if (mode != mode_bsd)
500 input_mode = input_binary;
501 break;
502 case opt_check:
503 case 'c':
504 cflag = true;
505 if (mode == mode_bsd)
506 checkAgainst = optarg;
507 break;
508 case opt_passthrough:
509 case 'p':
510 pflag = true;
511 break;
512 case opt_quiet:
513 case 'q':
514 output_mode = output_bare;
515 qflag = true;
516 break;
517 case opt_reverse:
518 case 'r':
519 if (!qflag)
520 output_mode = output_reverse;
521 break;
522 case opt_status:
523 sflag = true;
524 break;
525 case opt_strict:
526 strict = 1;
527 break;
528 case 's':
529 if (mode == mode_perl) {
530 sflag = true;
531 break;
532 }
533 /* fall through */
534 case opt_string:
535 output_mode = output_bare;
536 string = optarg;
537 break;
538 case opt_tag:
539 output_mode = output_tagged;
540 break;
541 case opt_time_trial:
542 case opt_text:
543 case 't':
544 if (mode == mode_bsd) {
545 MDTimeTrial(&Algorithm[digest]);
546 skip = true;
547 } else {
548 input_mode = input_text;
549 }
550 break;
551 case opt_universal:
552 case 'U':
553 input_mode = input_universal;
554 break;
555 case opt_version:
556 version();
557 break;
558 case opt_warn:
559 case 'w':
560 wflag = true;
561 break;
562 case opt_self_test:
563 case 'x':
564 MDTestSuite(&Algorithm[digest]);
565 skip = true;
566 break;
567 case opt_zero:
568 case 'z':
569 endl = '\0';
570 break;
571 case opt_ignore_missing:
572 ignoreMissing = true;
573 break;
574 default:
575 usage(&Algorithm[digest]);
576 }
577 argc -= optind;
578 argv += optind;
579
580 #ifdef HAVE_CAPSICUM
581 if (caph_limit_stdio() < 0)
582 err(1, "unable to limit rights for stdio");
583 #endif
584
585 if (cflag && mode != mode_bsd) {
586 /*
587 * Read digest files into a linked list, then replace argv
588 * with an array of the filenames from that list.
589 */
590 if (argc < 1)
591 usage(&Algorithm[digest]);
592 while (argc--)
593 gnu_check(*argv++);
594 argc = 0;
595 argv = calloc(numrecs + 1, sizeof(char *));
596 for (rec = head; rec != NULL; rec = rec->next) {
597 argv[argc] = rec->filename;
598 argc++;
599 }
600 argv[argc] = NULL;
601 rec = head;
602 }
603
604 #ifdef HAVE_CAPSICUM
605 fa = fileargs_init(argc, argv, O_RDONLY, 0,
606 cap_rights_init(&rights, CAP_READ, CAP_FSTAT, CAP_FCNTL), FA_OPEN | FA_LSTAT);
607 if (fa == NULL)
608 err(1, "Unable to initialize casper");
609 if (caph_enter_casper() < 0)
610 err(1, "Unable to enter capability mode");
611 #endif
612
613 if (*argv && !pflag && string == NULL) {
614 do {
615 const char *filename = *argv;
616 const char *filemode = "rb";
617
618 if (cflag && mode != mode_bsd) {
619 input_mode = rec->input_mode;
620 checkAgainst = rec->chksum;
621 rec = rec->next;
622 }
623 if (input_mode == input_text)
624 filemode = "r";
625 if (strcmp(filename, "-") == 0) {
626 f = stdin;
627 } else {
628 #ifdef HAVE_CAPSICUM
629 f = fileargs_fopen(fa, filename, filemode);
630 #else
631 f = fopen(filename, filemode);
632 #endif
633 }
634 if (f == NULL) {
635 if (errno != ENOENT || !(cflag && ignoreMissing)) {
636 warn("%s", filename);
637 failed = true;
638 }
639 continue;
640 }
641 p = MDInput(&Algorithm[digest], f, buf, false);
642 if (f != stdin)
643 (void)fclose(f);
644 MDOutput(&Algorithm[digest], p, filename);
645 } while (*++argv);
646 } else if (!cflag && string == NULL && !skip) {
647 if (mode == mode_bsd)
648 output_mode = output_bare;
649 p = MDInput(&Algorithm[digest], stdin, buf, pflag);
650 MDOutput(&Algorithm[digest], p, "-");
651 } else if (string != NULL) {
652 len = strlen(string);
653 p = Algorithm[digest].Data(string, len, buf);
654 MDOutput(&Algorithm[digest], p, string);
655 }
656 if (cflag && mode != mode_bsd) {
657 if (!sflag && malformed > 1)
658 warnx("WARNING: %d lines are improperly formatted", malformed);
659 else if (!sflag && malformed > 0)
660 warnx("WARNING: %d line is improperly formatted", malformed);
661 if (!sflag && checksFailed > 1)
662 warnx("WARNING: %d computed checksums did NOT match", checksFailed);
663 else if (!sflag && checksFailed > 0)
664 warnx("WARNING: %d computed checksum did NOT match", checksFailed);
665 if (checksFailed != 0 || (strict && malformed > 0))
666 return (1);
667 }
668 #ifdef HAVE_CAPSICUM
669 fileargs_free(fa);
670 #endif
671 if (failed)
672 return (1);
673 if (checksFailed > 0)
674 return (2);
675
676 return (0);
677 }
678
679 /*
680 * Common input handling
681 */
682 static char *
MDInput(const Algorithm_t * alg,FILE * f,char * buf,bool tee)683 MDInput(const Algorithm_t *alg, FILE *f, char *buf, bool tee)
684 {
685 char block[4096];
686 DIGEST_CTX context;
687 char *end, *p, *q;
688 size_t len;
689 int bits;
690 uint8_t byte;
691 bool cr = false;
692
693 alg->Init(&context);
694 while ((len = fread(block, 1, sizeof(block), f)) > 0) {
695 switch (input_mode) {
696 case input_binary:
697 case input_text:
698 if (tee && fwrite(block, 1, len, stdout) != len)
699 err(1, "stdout");
700 alg->Update(&context, block, len);
701 break;
702 case input_universal:
703 end = block + len;
704 for (p = q = block; p < end; p = q) {
705 if (cr) {
706 if (*p == '\n')
707 p++;
708 if (tee && putchar('\n') == EOF)
709 err(1, "stdout");
710 alg->Update(&context, "\n", 1);
711 cr = false;
712 }
713 for (q = p; q < end && *q != '\r'; q++)
714 /* nothing */;
715 if (q > p) {
716 if (tee &&
717 fwrite(p, 1, q - p, stdout) !=
718 (size_t)(q - p))
719 err(1, "stdout");
720 alg->Update(&context, p, q - p);
721 }
722 if (q < end && *q == '\r') {
723 cr = true;
724 q++;
725 }
726 }
727 break;
728 case input_bits:
729 end = block + len;
730 bits = byte = 0;
731 for (p = block; p < end; p++) {
732 if (*p == '0' || *p == '1') {
733 byte <<= 1;
734 byte |= *p - '0';
735 if (++bits == 8) {
736 if (tee && putchar(byte) == EOF)
737 err(1, "stdout");
738 alg->Update(&context, &byte, 1);
739 bits = byte = 0;
740 }
741 }
742 }
743 break;
744 }
745 }
746 if (ferror(f)) {
747 alg->End(&context, buf);
748 return (NULL);
749 }
750 if (cr) {
751 if (tee && putchar('\n') == EOF)
752 err(1, "stdout");
753 alg->Update(&context, "\n", 1);
754 }
755 if (input_mode == input_bits && bits != 0)
756 errx(1, "input length was not a multiple of 8");
757 return (alg->End(&context, buf));
758 }
759
760 /*
761 * Common output handling
762 */
763 static void
MDOutput(const Algorithm_t * alg,char * p,const char * name)764 MDOutput(const Algorithm_t *alg, char *p, const char *name)
765 {
766 bool checkfailed = false;
767
768 if (p == NULL) {
769 warn("%s", name);
770 failed = true;
771 } else if (cflag && mode != mode_bsd) {
772 checkfailed = strcasecmp(checkAgainst, p) != 0;
773 if (!sflag && (!qflag || checkfailed))
774 printf("%s: %s%c", name, checkfailed ? "FAILED" : "OK",
775 endl);
776 } else {
777 switch (output_mode) {
778 case output_bare:
779 printf("%s", p);
780 break;
781 case output_gnu:
782 printf("%s %c%s", p, input_mode, name);
783 break;
784 case output_reverse:
785 printf("%s %s", p, name);
786 break;
787 case output_tagged:
788 if (mode == mode_perl &&
789 strncmp(alg->name, "SHA512t", 7) == 0) {
790 printf("%.6s/%s", alg->name, alg->name + 7);
791 } else {
792 printf("%s", alg->name);
793 }
794 printf(" (%s) = %s", name, p);
795 break;
796 }
797 if (checkAgainst) {
798 checkfailed = strcasecmp(checkAgainst, p) != 0;
799 if (!qflag && checkfailed)
800 printf(" [ Failed ]");
801 }
802 printf("%c", endl);
803 }
804 if (checkfailed)
805 checksFailed++;
806 }
807
808 /*
809 * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
810 */
811 static void
MDTimeTrial(const Algorithm_t * alg)812 MDTimeTrial(const Algorithm_t *alg)
813 {
814 DIGEST_CTX context;
815 struct rusage before, after;
816 struct timeval total;
817 float seconds;
818 unsigned char block[TEST_BLOCK_LEN];
819 unsigned int i;
820 char *p, buf[HEX_DIGEST_LENGTH];
821
822 printf("%s time trial. Digesting %d %d-byte blocks ...",
823 alg->name, TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
824 fflush(stdout);
825
826 /* Initialize block */
827 for (i = 0; i < TEST_BLOCK_LEN; i++)
828 block[i] = (unsigned char) (i & 0xff);
829
830 /* Start timer */
831 getrusage(RUSAGE_SELF, &before);
832
833 /* Digest blocks */
834 alg->Init(&context);
835 for (i = 0; i < TEST_BLOCK_COUNT; i++)
836 alg->Update(&context, block, TEST_BLOCK_LEN);
837 p = alg->End(&context, buf);
838
839 /* Stop timer */
840 getrusage(RUSAGE_SELF, &after);
841 timersub(&after.ru_utime, &before.ru_utime, &total);
842 seconds = total.tv_sec + (float) total.tv_usec / 1000000;
843
844 printf(" done\n");
845 printf("Digest = %s", p);
846 printf("\nTime = %f seconds\n", seconds);
847 printf("Speed = %f MiB/second\n", (float) TEST_BLOCK_LEN *
848 (float) TEST_BLOCK_COUNT / seconds / (1 << 20));
849 }
850 /*
851 * Digests a reference suite of strings and prints the results.
852 */
853
854 static const char *MDTestInput[MDTESTCOUNT] = {
855 "",
856 "a",
857 "abc",
858 "message digest",
859 "abcdefghijklmnopqrstuvwxyz",
860 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
861 "12345678901234567890123456789012345678901234567890123456789012345678901234567890",
862 "MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made \
863 that its security is in some doubt"
864 };
865
866 const char *MD5TestOutput[MDTESTCOUNT] = {
867 "d41d8cd98f00b204e9800998ecf8427e",
868 "0cc175b9c0f1b6a831c399e269772661",
869 "900150983cd24fb0d6963f7d28e17f72",
870 "f96b697d7cb7938d525a2f31aaf161d0",
871 "c3fcd3d76192e4007dfb496cca67e13b",
872 "d174ab98d277d9f5a5611c2c9f419d9f",
873 "57edf4a22be3c955ac49da2e2107b67a",
874 "b50663f41d44d92171cb9976bc118538"
875 };
876
877 const char *SHA1_TestOutput[MDTESTCOUNT] = {
878 "da39a3ee5e6b4b0d3255bfef95601890afd80709",
879 "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8",
880 "a9993e364706816aba3e25717850c26c9cd0d89d",
881 "c12252ceda8be8994d5fa0290a47231c1d16aae3",
882 "32d10c7b8cf96570ca04ce37f2a19d84240d3a89",
883 "761c457bf73b14d27e9e9265c46f4b4dda11f940",
884 "50abf5706a150990a08b2c5ea40fa0e585554732",
885 "18eca4333979c4181199b7b4fab8786d16cf2846"
886 };
887
888 const char *SHA224_TestOutput[MDTESTCOUNT] = {
889 "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f",
890 "abd37534c7d9a2efb9465de931cd7055ffdb8879563ae98078d6d6d5",
891 "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7",
892 "2cb21c83ae2f004de7e81c3c7019cbcb65b71ab656b22d6d0c39b8eb",
893 "45a5f72c39c5cff2522eb3429799e49e5f44b356ef926bcf390dccc2",
894 "bff72b4fcb7d75e5632900ac5f90d219e05e97a7bde72e740db393d9",
895 "b50aecbe4e9bb0b57bc5f3ae760a8e01db24f203fb3cdcd13148046e",
896 "5ae55f3779c8a1204210d7ed7689f661fbe140f96f272ab79e19d470"
897 };
898
899 const char *SHA256_TestOutput[MDTESTCOUNT] = {
900 "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
901 "ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb",
902 "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
903 "f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650",
904 "71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73",
905 "db4bfcbd4da0cd85a60c3c37d3fbd8805c77f15fc6b1fdfe614ee0a7c8fdb4c0",
906 "f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e",
907 "e6eae09f10ad4122a0e2a4075761d185a272ebd9f5aa489e998ff2f09cbfdd9f"
908 };
909
910 const char *SHA384_TestOutput[MDTESTCOUNT] = {
911 "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b",
912 "54a59b9f22b0b80880d8427e548b7c23abd873486e1f035dce9cd697e85175033caa88e6d57bc35efae0b5afd3145f31",
913 "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7",
914 "473ed35167ec1f5d8e550368a3db39be54639f828868e9454c239fc8b52e3c61dbd0d8b4de1390c256dcbb5d5fd99cd5",
915 "feb67349df3db6f5924815d6c3dc133f091809213731fe5c7b5f4999e463479ff2877f5f2936fa63bb43784b12f3ebb4",
916 "1761336e3f7cbfe51deb137f026f89e01a448e3b1fafa64039c1464ee8732f11a5341a6f41e0c202294736ed64db1a84",
917 "b12932b0627d1c060942f5447764155655bd4da0c9afa6dd9b9ef53129af1b8fb0195996d2de9ca0df9d821ffee67026",
918 "99428d401bf4abcd4ee0695248c9858b7503853acfae21a9cffa7855f46d1395ef38596fcd06d5a8c32d41a839cc5dfb"
919 };
920
921 const char *SHA512_TestOutput[MDTESTCOUNT] = {
922 "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e",
923 "1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75",
924 "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
925 "107dbf389d9e9f71a3a95f6c055b9251bc5268c2be16d6c13492ea45b0199f3309e16455ab1e96118e8a905d5597b72038ddb372a89826046de66687bb420e7c",
926 "4dbff86cc2ca1bae1e16468a05cb9881c97f1753bce3619034898faa1aabe429955a1bf8ec483d7421fe3c1646613a59ed5441fb0f321389f77f48a879c7b1f1",
927 "1e07be23c26a86ea37ea810c8ec7809352515a970e9253c26f536cfc7a9996c45c8370583e0a78fa4a90041d71a4ceab7423f19c71b9d5a3e01249f0bebd5894",
928 "72ec1ef1124a45b047e8b7c75a932195135bb61de24ec0d1914042246e0aec3a2354e093d76f3048b456764346900cb130d2a4fd5dd16abb5e30bcb850dee843",
929 "e8a835195e039708b13d9131e025f4441dbdc521ce625f245a436dcd762f54bf5cb298d96235e6c6a304e087ec8189b9512cbdf6427737ea82793460c367b9c3"
930 };
931
932 const char *SHA512t224_TestOutput[MDTESTCOUNT] = {
933 "6ed0dd02806fa89e25de060c19d3ac86cabb87d6a0ddd05c333b84f4",
934 "d5cdb9ccc769a5121d4175f2bfdd13d6310e0d3d361ea75d82108327",
935 "4634270f707b6a54daae7530460842e20e37ed265ceee9a43e8924aa",
936 "ad1a4db188fe57064f4f24609d2a83cd0afb9b398eb2fcaeaae2c564",
937 "ff83148aa07ec30655c1b40aff86141c0215fe2a54f767d3f38743d8",
938 "a8b4b9174b99ffc67d6f49be9981587b96441051e16e6dd036b140d3",
939 "ae988faaa47e401a45f704d1272d99702458fea2ddc6582827556dd2",
940 "b3c3b945249b0c8c94aba76ea887bcaad5401665a1fbeb384af4d06b"
941 };
942
943 const char *SHA512t256_TestOutput[MDTESTCOUNT] = {
944 "c672b8d1ef56ed28ab87c3622c5114069bdd3ad7b8f9737498d0c01ecef0967a",
945 "455e518824bc0601f9fb858ff5c37d417d67c2f8e0df2babe4808858aea830f8",
946 "53048e2681941ef99b2e29b76b4c7dabe4c2d0c634fc6d46e0e2f13107e7af23",
947 "0cf471fd17ed69d990daf3433c89b16d63dec1bb9cb42a6094604ee5d7b4e9fb",
948 "fc3189443f9c268f626aea08a756abe7b726b05f701cb08222312ccfd6710a26",
949 "cdf1cc0effe26ecc0c13758f7b4a48e000615df241284185c39eb05d355bb9c8",
950 "2c9fdbc0c90bdd87612ee8455474f9044850241dc105b1e8b94b8ddf5fac9148",
951 "dd095fc859b336c30a52548b3dc59fcc0d1be8616ebcf3368fad23107db2d736"
952 };
953
954 const char *RIPEMD160_TestOutput[MDTESTCOUNT] = {
955 "9c1185a5c5e9fc54612808977ee8f548b2258d31",
956 "0bdc9d2d256b3ee9daae347be6f4dc835a467ffe",
957 "8eb208f7e05d987a9b044a8e98c6b087f15a0bfc",
958 "5d0689ef49d2fae572b881b123a85ffa21595f36",
959 "f71c27109c692c1b56bbdceb5b9d2865b3708dbc",
960 "b0e20b6e3116640286ed3a87a5713079b21f5189",
961 "9b752e45573d4b39f4dbd3323cab82bf63326bfb",
962 "5feb69c6bf7c29d95715ad55f57d8ac5b2b7dd32"
963 };
964
965 const char *SKEIN256_TestOutput[MDTESTCOUNT] = {
966 "c8877087da56e072870daa843f176e9453115929094c3a40c463a196c29bf7ba",
967 "7fba44ff1a31d71a0c1f82e6e82fb5e9ac6c92a39c9185b9951fed82d82fe635",
968 "258bdec343b9fde1639221a5ae0144a96e552e5288753c5fec76c05fc2fc1870",
969 "4d2ce0062b5eb3a4db95bc1117dd8aa014f6cd50fdc8e64f31f7d41f9231e488",
970 "46d8440685461b00e3ddb891b2ecc6855287d2bd8834a95fb1c1708b00ea5e82",
971 "7c5eb606389556b33d34eb2536459528dc0af97adbcd0ce273aeb650f598d4b2",
972 "4def7a7e5464a140ae9c3a80279fbebce4bd00f9faad819ab7e001512f67a10d",
973 "d9c017dbe355f318d036469eb9b5fbe129fc2b5786a9dc6746a516eab6fe0126"
974 };
975
976 const char *SKEIN512_TestOutput[MDTESTCOUNT] = {
977 "bc5b4c50925519c290cc634277ae3d6257212395cba733bbad37a4af0fa06af41fca7903d06564fea7a2d3730dbdb80c1f85562dfcc070334ea4d1d9e72cba7a",
978 "b1cd8d33f61b3737adfd59bb13ad82f4a9548e92f22956a8976cca3fdb7fee4fe91698146c4197cec85d38b83c5d93bdba92c01fd9a53870d0c7f967bc62bdce",
979 "8f5dd9ec798152668e35129496b029a960c9a9b88662f7f9482f110b31f9f93893ecfb25c009baad9e46737197d5630379816a886aa05526d3a70df272d96e75",
980 "15b73c158ffb875fed4d72801ded0794c720b121c0c78edf45f900937e6933d9e21a3a984206933d504b5dbb2368000411477ee1b204c986068df77886542fcc",
981 "23793ad900ef12f9165c8080da6fdfd2c8354a2929b8aadf83aa82a3c6470342f57cf8c035ec0d97429b626c4d94f28632c8f5134fd367dca5cf293d2ec13f8c",
982 "0c6bed927e022f5ddcf81877d42e5f75798a9f8fd3ede3d83baac0a2f364b082e036c11af35fe478745459dd8f5c0b73efe3c56ba5bb2009208d5a29cc6e469c",
983 "2ca9fcffb3456f297d1b5f407014ecb856f0baac8eb540f534b1f187196f21e88f31103128c2f03fcc9857d7a58eb66f9525e2302d88833ee069295537a434ce",
984 "1131f2aaa0e97126c9314f9f968cc827259bbfabced2943bb8c9274448998fb3b78738b4580dd500c76105fd3c03e465e1414f2c29664286b1f79d3e51128125"
985 };
986
987 const char *SKEIN1024_TestOutput[MDTESTCOUNT] = {
988 "0fff9563bb3279289227ac77d319b6fff8d7e9f09da1247b72a0a265cd6d2a62645ad547ed8193db48cff847c06494a03f55666d3b47eb4c20456c9373c86297d630d5578ebd34cb40991578f9f52b18003efa35d3da6553ff35db91b81ab890bec1b189b7f52cb2a783ebb7d823d725b0b4a71f6824e88f68f982eefc6d19c6",
989 "6ab4c4ba9814a3d976ec8bffa7fcc638ceba0544a97b3c98411323ffd2dc936315d13dc93c13c4e88cda6f5bac6f2558b2d8694d3b6143e40d644ae43ca940685cb37f809d3d0550c56cba8036dee729a4f8fb960732e59e64d57f7f7710f8670963cdcdc95b41daab4855fcf8b6762a64b173ee61343a2c7689af1d293eba97",
990 "35a599a0f91abcdb4cb73c19b8cb8d947742d82c309137a7caed29e8e0a2ca7a9ff9a90c34c1908cc7e7fd99bb15032fb86e76df21b72628399b5f7c3cc209d7bb31c99cd4e19465622a049afbb87c03b5ce3888d17e6e667279ec0aa9b3e2712624c01b5f5bbe1a564220bdcf6990af0c2539019f313fdd7406cca3892a1f1f",
991 "ea891f5268acd0fac97467fc1aa89d1ce8681a9992a42540e53babee861483110c2d16f49e73bac27653ff173003e40cfb08516cd34262e6af95a5d8645c9c1abb3e813604d508b8511b30f9a5c1b352aa0791c7d2f27b2706dccea54bc7de6555b5202351751c3299f97c09cf89c40f67187e2521c0fad82b30edbb224f0458",
992 "f23d95c2a25fbcd0e797cd058fec39d3c52d2b5afd7a9af1df934e63257d1d3dcf3246e7329c0f1104c1e51e3d22e300507b0c3b9f985bb1f645ef49835080536becf83788e17fed09c9982ba65c3cb7ffe6a5f745b911c506962adf226e435c42f6f6bc08d288f9c810e807e3216ef444f3db22744441deefa4900982a1371f",
993 "cf3889e8a8d11bfd3938055d7d061437962bc5eac8ae83b1b71c94be201b8cf657fdbfc38674997a008c0c903f56a23feb3ae30e012377f1cfa080a9ca7fe8b96138662653fb3335c7d06595bf8baf65e215307532094cfdfa056bd8052ab792a3944a2adaa47b30335b8badb8fe9eb94fe329cdca04e58bbc530f0af709f469",
994 "cf21a613620e6c119eca31fdfaad449a8e02f95ca256c21d2a105f8e4157048f9fe1e897893ea18b64e0e37cb07d5ac947f27ba544caf7cbc1ad094e675aed77a366270f7eb7f46543bccfa61c526fd628408058ed00ed566ac35a9761d002e629c4fb0d430b2f4ad016fcc49c44d2981c4002da0eecc42144160e2eaea4855a",
995 "e6799b78db54085a2be7ff4c8007f147fa88d326abab30be0560b953396d8802feee9a15419b48a467574e9283be15685ca8a079ee52b27166b64dd70b124b1d4e4f6aca37224c3f2685e67e67baef9f94b905698adc794a09672aba977a61b20966912acdb08c21a2c37001785355dc884751a21f848ab36e590331ff938138"
996 };
997
998 static void
MDTestSuite(const Algorithm_t * alg)999 MDTestSuite(const Algorithm_t *alg)
1000 {
1001 int i;
1002 char buffer[HEX_DIGEST_LENGTH];
1003
1004 printf("%s test suite:\n", alg->name);
1005 for (i = 0; i < MDTESTCOUNT; i++) {
1006 (*alg->Data)(MDTestInput[i], strlen(MDTestInput[i]), buffer);
1007 printf("%s (\"%s\") = %s", alg->name, MDTestInput[i], buffer);
1008 if (strcmp(buffer, (*alg->TestOutput)[i]) == 0) {
1009 printf(" - verified correct\n");
1010 } else {
1011 printf(" - INCORRECT RESULT!\n");
1012 failed = true;
1013 }
1014 }
1015 }
1016
1017 static void
usage(const Algorithm_t * alg)1018 usage(const Algorithm_t *alg)
1019 {
1020
1021 switch (mode) {
1022 case mode_gnu:
1023 fprintf(stderr, "usage: %ssum [-bctwz] [files ...]\n", alg->progname);
1024 break;
1025 case mode_perl:
1026 fprintf(stderr, "usage: shasum [-0bchqstUvw] [-a alg] [files ...]\n");
1027 break;
1028 default:
1029 fprintf(stderr, "usage: %s [-pqrtx] [-c string] [-s string] [files ...]\n",
1030 alg->progname);
1031 }
1032 exit(1);
1033 }
1034
1035 static void
version(void)1036 version(void)
1037 {
1038 if (mode == mode_gnu)
1039 printf("%s (FreeBSD) ", progname);
1040 printf("%d.%d\n",
1041 __FreeBSD_version / 100000,
1042 (__FreeBSD_version / 1000) % 100);
1043 exit(0);
1044 }
1045