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 #include <vis.h>
46
47 #ifdef HAVE_CAPSICUM
48 #include <sys/capsicum.h>
49 #include <capsicum_helpers.h>
50 #include <libcasper.h>
51 #include <casper/cap_fileargs.h>
52 #endif
53
54 /*
55 * Length of test block, number of test blocks.
56 */
57 #define TEST_BLOCK_LEN 10000
58 #define TEST_BLOCK_COUNT 100000
59 #define MDTESTCOUNT 8
60
61 static char *progname;
62
63 static bool cflag;
64 static bool pflag;
65 static bool qflag;
66 static bool sflag;
67 static bool wflag;
68 static bool strict;
69 static bool skip;
70 static bool ignoreMissing;
71 static char* checkAgainst;
72 static int checksFailed;
73 static bool failed;
74 static int endl = '\n';
75
76 typedef void (DIGEST_Init)(void *);
77 typedef void (DIGEST_Update)(void *, const unsigned char *, size_t);
78 typedef char *(DIGEST_End)(void *, char *);
79
80 extern const char *MD5TestOutput[MDTESTCOUNT];
81 extern const char *SHA1_TestOutput[MDTESTCOUNT];
82 extern const char *SHA224_TestOutput[MDTESTCOUNT];
83 extern const char *SHA256_TestOutput[MDTESTCOUNT];
84 extern const char *SHA384_TestOutput[MDTESTCOUNT];
85 extern const char *SHA512_TestOutput[MDTESTCOUNT];
86 extern const char *SHA512t224_TestOutput[MDTESTCOUNT];
87 extern const char *SHA512t256_TestOutput[MDTESTCOUNT];
88 extern const char *RIPEMD160_TestOutput[MDTESTCOUNT];
89 extern const char *SKEIN256_TestOutput[MDTESTCOUNT];
90 extern const char *SKEIN512_TestOutput[MDTESTCOUNT];
91 extern const char *SKEIN1024_TestOutput[MDTESTCOUNT];
92
93 typedef struct Algorithm_t {
94 const char *progname;
95 const char *perlname;
96 const char *name;
97 const char *(*TestOutput)[MDTESTCOUNT];
98 DIGEST_Init *Init;
99 DIGEST_Update *Update;
100 DIGEST_End *End;
101 char *(*Data)(const void *, unsigned int, char *);
102 } Algorithm_t;
103
104 static void MD5_Update(MD5_CTX *, const unsigned char *, size_t);
105 static char *MDInput(const Algorithm_t *, FILE *, char *, bool);
106 static void MDOutput(const Algorithm_t *, char *, const char *);
107 static void MDTimeTrial(const Algorithm_t *);
108 static void MDTestSuite(const Algorithm_t *);
109 static void usage(const Algorithm_t *);
110 static void version(void);
111
112 typedef union {
113 MD5_CTX md5;
114 SHA1_CTX sha1;
115 SHA224_CTX sha224;
116 SHA256_CTX sha256;
117 SHA384_CTX sha384;
118 SHA512_CTX sha512;
119 RIPEMD160_CTX ripemd160;
120 SKEIN256_CTX skein256;
121 SKEIN512_CTX skein512;
122 SKEIN1024_CTX skein1024;
123 } DIGEST_CTX;
124
125 /* max(MD5_DIGEST_LENGTH, SHA_DIGEST_LENGTH,
126 SHA256_DIGEST_LENGTH, SHA512_DIGEST_LENGTH,
127 RIPEMD160_DIGEST_LENGTH, SKEIN1024_DIGEST_LENGTH)*2+1 */
128 #define HEX_DIGEST_LENGTH 257
129
130 /* algorithm function table */
131
132 static const struct Algorithm_t Algorithm[] = {
133 { "md5", NULL, "MD5",
134 &MD5TestOutput, (DIGEST_Init*)&MD5Init,
135 (DIGEST_Update*)&MD5_Update, (DIGEST_End*)&MD5End,
136 &MD5Data },
137 { "sha1", "1", "SHA1",
138 &SHA1_TestOutput, (DIGEST_Init*)&SHA1_Init,
139 (DIGEST_Update*)&SHA1_Update, (DIGEST_End*)&SHA1_End,
140 &SHA1_Data },
141 { "sha224", "224", "SHA224",
142 &SHA224_TestOutput, (DIGEST_Init*)&SHA224_Init,
143 (DIGEST_Update*)&SHA224_Update, (DIGEST_End*)&SHA224_End,
144 &SHA224_Data },
145 { "sha256", "256", "SHA256",
146 &SHA256_TestOutput, (DIGEST_Init*)&SHA256_Init,
147 (DIGEST_Update*)&SHA256_Update, (DIGEST_End*)&SHA256_End,
148 &SHA256_Data },
149 { "sha384", "384", "SHA384",
150 &SHA384_TestOutput, (DIGEST_Init*)&SHA384_Init,
151 (DIGEST_Update*)&SHA384_Update, (DIGEST_End*)&SHA384_End,
152 &SHA384_Data },
153 { "sha512", "512", "SHA512",
154 &SHA512_TestOutput, (DIGEST_Init*)&SHA512_Init,
155 (DIGEST_Update*)&SHA512_Update, (DIGEST_End*)&SHA512_End,
156 &SHA512_Data },
157 { "sha512t224", "512224", "SHA512t224",
158 &SHA512t224_TestOutput, (DIGEST_Init*)&SHA512_224_Init,
159 (DIGEST_Update*)&SHA512_224_Update, (DIGEST_End*)&SHA512_224_End,
160 &SHA512_224_Data },
161 { "sha512t256", "512256", "SHA512t256",
162 &SHA512t256_TestOutput, (DIGEST_Init*)&SHA512_256_Init,
163 (DIGEST_Update*)&SHA512_256_Update, (DIGEST_End*)&SHA512_256_End,
164 &SHA512_256_Data },
165 { "rmd160", NULL, "RMD160",
166 &RIPEMD160_TestOutput,
167 (DIGEST_Init*)&RIPEMD160_Init, (DIGEST_Update*)&RIPEMD160_Update,
168 (DIGEST_End*)&RIPEMD160_End, &RIPEMD160_Data },
169 { "skein256", NULL, "Skein256",
170 &SKEIN256_TestOutput,
171 (DIGEST_Init*)&SKEIN256_Init, (DIGEST_Update*)&SKEIN256_Update,
172 (DIGEST_End*)&SKEIN256_End, &SKEIN256_Data },
173 { "skein512", NULL, "Skein512",
174 &SKEIN512_TestOutput,
175 (DIGEST_Init*)&SKEIN512_Init, (DIGEST_Update*)&SKEIN512_Update,
176 (DIGEST_End*)&SKEIN512_End, &SKEIN512_Data },
177 { "skein1024", NULL, "Skein1024",
178 &SKEIN1024_TestOutput,
179 (DIGEST_Init*)&SKEIN1024_Init, (DIGEST_Update*)&SKEIN1024_Update,
180 (DIGEST_End*)&SKEIN1024_End, &SKEIN1024_Data },
181 { }
182 };
183
184 static int digest = -1;
185 static unsigned int malformed;
186
187 static enum mode {
188 mode_bsd,
189 mode_gnu,
190 mode_perl,
191 } mode = mode_bsd;
192
193 static enum input_mode {
194 input_binary = '*',
195 input_text = ' ',
196 input_universal = 'U',
197 input_bits = '^',
198 } input_mode = input_binary;
199
200 static enum output_mode {
201 output_bare,
202 output_tagged,
203 output_reverse,
204 output_gnu,
205 } output_mode = output_tagged;
206
207 enum optval {
208 opt_end = -1,
209 /* ensure we don't collide with shortopts */
210 opt_dummy = CHAR_MAX,
211 /* BSD options */
212 opt_check,
213 opt_passthrough,
214 opt_quiet,
215 opt_reverse,
216 opt_string,
217 opt_time_trial,
218 opt_self_test,
219 /* GNU options */
220 opt_binary,
221 opt_help,
222 opt_ignore_missing,
223 opt_status,
224 opt_strict,
225 opt_tag,
226 opt_text,
227 opt_warn,
228 opt_version,
229 opt_zero,
230 /* Perl options */
231 opt_algorithm,
232 opt_bits,
233 opt_universal,
234 };
235
236 static const struct option bsd_longopts[] = {
237 { "check", required_argument, 0, opt_check },
238 { "passthrough", no_argument, 0, opt_passthrough },
239 { "quiet", no_argument, 0, opt_quiet },
240 { "reverse", no_argument, 0, opt_reverse },
241 { "string", required_argument, 0, opt_string },
242 { "time-trial", no_argument, 0, opt_time_trial },
243 { "self-test", no_argument, 0, opt_self_test },
244 { }
245 };
246 static const char *bsd_shortopts = "bc:pqrs:tx";
247
248 static const struct option gnu_longopts[] = {
249 { "binary", no_argument, 0, opt_binary },
250 { "check", no_argument, 0, opt_check },
251 { "help", no_argument, 0, opt_help },
252 { "ignore-missing", no_argument, 0, opt_ignore_missing },
253 { "quiet", no_argument, 0, opt_quiet },
254 { "status", no_argument, 0, opt_status },
255 { "strict", no_argument, 0, opt_strict },
256 { "tag", no_argument, 0, opt_tag },
257 { "text", no_argument, 0, opt_text },
258 { "version", no_argument, 0, opt_version },
259 { "warn", no_argument, 0, opt_warn },
260 { "zero", no_argument, 0, opt_zero },
261 { }
262 };
263 static const char *gnu_shortopts = "bctwz";
264
265 static const struct option perl_longopts[] = {
266 { "algorithm", required_argument, 0, opt_algorithm },
267 { "binary", no_argument, 0, opt_binary },
268 { "check", no_argument, 0, opt_check },
269 { "help", no_argument, 0, opt_help },
270 { "ignore-missing", no_argument, 0, opt_ignore_missing },
271 { "quiet", no_argument, 0, opt_quiet },
272 { "status", no_argument, 0, opt_status },
273 { "strict", no_argument, 0, opt_strict },
274 { "tag", no_argument, 0, opt_tag },
275 { "text", no_argument, 0, opt_text },
276 { "UNIVERSAL", no_argument, 0, opt_universal },
277 { "version", no_argument, 0, opt_version },
278 { "warn", no_argument, 0, opt_warn },
279 { "01", no_argument, 0, opt_bits },
280 { }
281 };
282 static const char *perl_shortopts = "0a:bchqstUvw";
283
284 static void
MD5_Update(MD5_CTX * c,const unsigned char * data,size_t len)285 MD5_Update(MD5_CTX *c, const unsigned char *data, size_t len)
286 {
287 MD5Update(c, data, len);
288 }
289
290 struct chksumrec {
291 char *filename;
292 enum input_mode input_mode;
293 char *chksum;
294 struct chksumrec *next;
295 };
296
297 static struct chksumrec *head = NULL;
298 static struct chksumrec **next = &head;
299 static unsigned int numrecs;
300
301 #define PADDING 7 /* extra padding for "SHA512t256 (...) = ...\n" style */
302 #define CHKFILELINELEN (HEX_DIGEST_LENGTH + MAXPATHLEN + PADDING)
303
304 static void
gnu_check(const char * checksumsfile)305 gnu_check(const char *checksumsfile)
306 {
307 FILE *inp;
308 char *linebuf = NULL;
309 size_t linecap;
310 ssize_t linelen;
311 int lineno;
312 char *filename;
313 char *hashstr;
314 struct chksumrec *rec;
315 const char *digestname;
316 size_t digestnamelen;
317 size_t hashstrlen;
318 size_t filenamelen;
319 struct stat st;
320
321 if (strcmp(checksumsfile, "-") == 0)
322 inp = stdin;
323 else if ((inp = fopen(checksumsfile, "r")) == NULL)
324 err(1, "%s", checksumsfile);
325 digestname = Algorithm[digest].name;
326 digestnamelen = strlen(digestname);
327 hashstrlen = strlen(*(Algorithm[digest].TestOutput[0]));
328 lineno = 0;
329 linecap = CHKFILELINELEN;
330 while ((linelen = getline(&linebuf, &linecap, inp)) > 0) {
331 lineno++;
332 while (linelen > 0 && linebuf[linelen - 1] == '\n')
333 linelen--;
334 linebuf[linelen] = '\0';
335 filename = linebuf + digestnamelen + 2;
336 hashstr = linebuf + linelen - hashstrlen;
337 /*
338 * supported formats:
339 * BSD: <DigestName> (<Filename>): <Digest>
340 * GNU: <Digest> [ *U^]<Filename>
341 */
342 if ((size_t)linelen >= digestnamelen + hashstrlen + 6 &&
343 strncmp(linebuf, digestname, digestnamelen) == 0 &&
344 strncmp(filename - 2, " (", 2) == 0 &&
345 strncmp(hashstr - 4, ") = ", 4) == 0 &&
346 strspn(hashstr, "0123456789ABCDEFabcdef") == hashstrlen) {
347 *(hashstr - 4) = '\0';
348 filenamelen = hashstr - 4 - filename;
349 } else if ((size_t)linelen >= hashstrlen + 3 &&
350 strspn(linebuf, "0123456789ABCDEFabcdef") == hashstrlen &&
351 linebuf[hashstrlen] == ' ') {
352 linebuf[hashstrlen] = '\0';
353 hashstr = linebuf;
354 filename = linebuf + hashstrlen + 1;
355 filenamelen = linelen - hashstrlen - 1;
356 } else {
357 if (wflag) {
358 warnx("%s: %d: improperly formatted "
359 "%s checksum line",
360 checksumsfile, lineno,
361 mode == mode_perl ? "SHA" : digestname);
362 }
363 malformed++;
364 continue;
365 }
366 rec = malloc(sizeof(*rec));
367 if (rec == NULL)
368 errx(1, "malloc failed");
369
370 if ((*filename == '*' || *filename == ' ' ||
371 *filename == 'U' || *filename == '^') &&
372 lstat(filename, &st) != 0) {
373 rec->input_mode = (enum input_mode)*filename;
374 filename++;
375 filenamelen--;
376 } else {
377 rec->input_mode = input_mode;
378 }
379
380 rec->filename = malloc(filenamelen + 1);
381 if (rec->filename == NULL)
382 errx(1, "malloc failed");
383 if (strnunvis(rec->filename, filenamelen + 1, filename) < 0 ||
384 (lstat(rec->filename, &st) != 0 && lstat(filename, &st) == 0))
385 memcpy(rec->filename, filename, filenamelen + 1); // XXX
386
387 rec->chksum = strdup(hashstr);
388 if (rec->chksum == NULL)
389 errx(1, "malloc failed");
390 rec->next = NULL;
391 *next = rec;
392 next = &rec->next;
393 numrecs++;
394 }
395 if (inp != stdin)
396 fclose(inp);
397 }
398
399 static int
safename(char * namebuf,size_t bufsize,const char * name)400 safename(char *namebuf, size_t bufsize, const char *name)
401 {
402 int vis_mode = VIS_NL | VIS_TAB | VIS_GLOB | VIS_SHELL;
403 int vis_style = VIS_CSTYLE | VIS_OCTAL;
404
405 return (strnvis(namebuf, bufsize, name, vis_mode | vis_style));
406 }
407
408 /* Main driver.
409
410 Arguments (may be any combination):
411 -sstring - digests string
412 -t - runs time trial
413 -x - runs test script
414 filename - digests file
415 (none) - digests standard input
416 */
417 int
main(int argc,char * argv[])418 main(int argc, char *argv[])
419 {
420 #ifdef HAVE_CAPSICUM
421 cap_rights_t rights;
422 fileargs_t *fa = NULL;
423 #endif
424 const struct option *longopts;
425 const char *shortopts;
426 FILE *f;
427 int i, opt;
428 char *p, *string = NULL;
429 char buf[HEX_DIGEST_LENGTH];
430 size_t len;
431 struct chksumrec *rec;
432
433 if ((progname = strrchr(argv[0], '/')) == NULL)
434 progname = argv[0];
435 else
436 progname++;
437
438 /*
439 * GNU coreutils has a number of programs named *sum. These produce
440 * similar results to the BSD version, but in a different format,
441 * similar to BSD's -r flag. We install links to this program with
442 * ending 'sum' to provide this compatibility. Check here to see if the
443 * name of the program ends in 'sum', set the flag and drop the 'sum' so
444 * the digest lookup works. Also, make -t a nop when running in this mode
445 * since that means 'text file' there (though it's a nop in coreutils
446 * on unix-like systems). The -c flag conflicts, so it's just disabled
447 * in this mode (though in the future it might be implemented).
448 *
449 * We also strive to be compatible with the shasum script which is
450 * included in Perl. It is roughly equivalent to the GNU offering
451 * but uses a command-line argument to select the algorithm, and
452 * supports only SHA-1 and SHA-2.
453 */
454 len = strlen(progname);
455 if (strcmp(progname, "shasum") == 0) {
456 mode = mode_perl;
457 input_mode = input_text;
458 output_mode = output_gnu;
459 digest = 1;
460 longopts = perl_longopts;
461 shortopts = perl_shortopts;
462 } else if (len > 3 && strcmp(progname + len - 3, "sum") == 0) {
463 len -= 3;
464 mode = mode_gnu;
465 input_mode = input_text;
466 /*
467 * The historical behavior in GNU emulation mode is
468 * output_reverse, however this not true to the original
469 * and the flag that was used to force the correct output
470 * was -b, which means something else (input_binary) in
471 * GNU land. Switch to the correct behavior.
472 */
473 output_mode = output_gnu;
474 longopts = gnu_longopts;
475 shortopts = gnu_shortopts;
476 } else {
477 mode = mode_bsd;
478 input_mode = input_binary;
479 output_mode = output_tagged;
480 longopts = bsd_longopts;
481 shortopts = bsd_shortopts;
482 }
483
484 if (digest < 0) {
485 for (digest = 0; Algorithm[digest].progname != NULL; digest++)
486 if (strncasecmp(Algorithm[digest].progname, progname, len) == 0)
487 break;
488
489 if (Algorithm[digest].progname == NULL)
490 digest = 0;
491 }
492
493 failed = false;
494 checkAgainst = NULL;
495 checksFailed = 0;
496 skip = false;
497 while ((opt = getopt_long(argc, argv, shortopts, longopts, NULL)) != opt_end)
498 switch (opt) {
499 case opt_bits:
500 case '0':
501 input_mode = input_bits;
502 break;
503 case opt_algorithm:
504 case 'a':
505 for (i = 0; Algorithm[i].progname != NULL; i++) {
506 if (Algorithm[i].perlname != NULL &&
507 strcasecmp(Algorithm[i].perlname, optarg) == 0) {
508 digest = i;
509 break;
510 }
511 }
512 if (Algorithm[i].progname == NULL)
513 usage(&Algorithm[digest]);
514 break;
515 case opt_binary:
516 case 'b':
517 /* in BSD mode, -b is now a no-op */
518 if (mode != mode_bsd)
519 input_mode = input_binary;
520 break;
521 case opt_check:
522 case 'c':
523 cflag = true;
524 if (mode == mode_bsd)
525 checkAgainst = optarg;
526 break;
527 case opt_passthrough:
528 case 'p':
529 pflag = true;
530 break;
531 case opt_quiet:
532 case 'q':
533 output_mode = output_bare;
534 qflag = true;
535 break;
536 case opt_reverse:
537 case 'r':
538 if (!qflag)
539 output_mode = output_reverse;
540 break;
541 case opt_status:
542 sflag = true;
543 break;
544 case opt_strict:
545 strict = 1;
546 break;
547 case 's':
548 if (mode == mode_perl) {
549 sflag = true;
550 break;
551 }
552 /* fall through */
553 case opt_string:
554 output_mode = output_bare;
555 string = optarg;
556 break;
557 case opt_tag:
558 output_mode = output_tagged;
559 break;
560 case opt_time_trial:
561 case opt_text:
562 case 't':
563 if (mode == mode_bsd) {
564 MDTimeTrial(&Algorithm[digest]);
565 skip = true;
566 } else {
567 input_mode = input_text;
568 }
569 break;
570 case opt_universal:
571 case 'U':
572 input_mode = input_universal;
573 break;
574 case opt_version:
575 version();
576 break;
577 case opt_warn:
578 case 'w':
579 wflag = true;
580 break;
581 case opt_self_test:
582 case 'x':
583 MDTestSuite(&Algorithm[digest]);
584 skip = true;
585 break;
586 case opt_zero:
587 case 'z':
588 endl = '\0';
589 break;
590 case opt_ignore_missing:
591 ignoreMissing = true;
592 break;
593 default:
594 usage(&Algorithm[digest]);
595 }
596 argc -= optind;
597 argv += optind;
598
599 #ifdef HAVE_CAPSICUM
600 if (caph_limit_stdio() < 0)
601 err(1, "unable to limit rights for stdio");
602 #endif
603
604 if (cflag && mode != mode_bsd) {
605 /*
606 * Read digest files into a linked list, then replace argv
607 * with an array of the filenames from that list.
608 */
609 if (argc < 1)
610 usage(&Algorithm[digest]);
611 while (argc--)
612 gnu_check(*argv++);
613 argc = 0;
614 argv = calloc(numrecs + 1, sizeof(char *));
615 for (rec = head; rec != NULL; rec = rec->next) {
616 argv[argc] = rec->filename;
617 argc++;
618 }
619 argv[argc] = NULL;
620 rec = head;
621 }
622
623 #ifdef HAVE_CAPSICUM
624 fa = fileargs_init(argc, argv, O_RDONLY, 0,
625 cap_rights_init(&rights, CAP_READ, CAP_FSTAT, CAP_FCNTL), FA_OPEN | FA_LSTAT);
626 if (fa == NULL)
627 err(1, "Unable to initialize casper");
628 if (caph_enter_casper() < 0)
629 err(1, "Unable to enter capability mode");
630 #endif
631
632 if (*argv && !pflag && string == NULL) {
633 do {
634 const char *filename = *argv;
635 const char *filemode = "rb";
636
637 if (cflag && mode != mode_bsd) {
638 input_mode = rec->input_mode;
639 checkAgainst = rec->chksum;
640 rec = rec->next;
641 }
642 if (input_mode == input_text)
643 filemode = "r";
644 if (strcmp(filename, "-") == 0) {
645 f = stdin;
646 } else {
647 #ifdef HAVE_CAPSICUM
648 f = fileargs_fopen(fa, filename, filemode);
649 #else
650 f = fopen(filename, filemode);
651 #endif
652 }
653 if (f == NULL) {
654 if (errno != ENOENT || !(cflag && ignoreMissing)) {
655 char namebuf[MAXPATHLEN * 4];
656 int serrno = errno;
657
658 if (safename(namebuf, sizeof(namebuf), filename) < 0)
659 warnc(ENAMETOOLONG, NULL);
660 else
661 warnc(serrno, "%s", namebuf);
662 failed = true;
663 }
664 continue;
665 }
666 p = MDInput(&Algorithm[digest], f, buf, false);
667 if (f != stdin)
668 (void)fclose(f);
669 MDOutput(&Algorithm[digest], p, filename);
670 } while (*++argv);
671 } else if (!cflag && string == NULL && !skip) {
672 if (mode == mode_bsd)
673 output_mode = output_bare;
674 p = MDInput(&Algorithm[digest], stdin, buf, pflag);
675 MDOutput(&Algorithm[digest], p, "-");
676 } else if (string != NULL) {
677 len = strlen(string);
678 p = Algorithm[digest].Data(string, len, buf);
679 MDOutput(&Algorithm[digest], p, string);
680 }
681 if (cflag && mode != mode_bsd) {
682 if (!sflag && malformed > 1)
683 warnx("WARNING: %d lines are improperly formatted", malformed);
684 else if (!sflag && malformed > 0)
685 warnx("WARNING: %d line is improperly formatted", malformed);
686 if (!sflag && checksFailed > 1)
687 warnx("WARNING: %d computed checksums did NOT match", checksFailed);
688 else if (!sflag && checksFailed > 0)
689 warnx("WARNING: %d computed checksum did NOT match", checksFailed);
690 if (checksFailed != 0 || (strict && malformed > 0))
691 return (1);
692 }
693 #ifdef HAVE_CAPSICUM
694 fileargs_free(fa);
695 #endif
696 if (failed)
697 return (1);
698 if (checksFailed > 0)
699 return (2);
700
701 return (0);
702 }
703
704 /*
705 * Common input handling
706 */
707 static char *
MDInput(const Algorithm_t * alg,FILE * f,char * buf,bool tee)708 MDInput(const Algorithm_t *alg, FILE *f, char *buf, bool tee)
709 {
710 char block[4096];
711 DIGEST_CTX context;
712 char *end, *p, *q;
713 size_t len;
714 int bits;
715 uint8_t byte;
716 bool cr = false;
717
718 alg->Init(&context);
719 while ((len = fread(block, 1, sizeof(block), f)) > 0) {
720 switch (input_mode) {
721 case input_binary:
722 case input_text:
723 if (tee && fwrite(block, 1, len, stdout) != len)
724 err(1, "stdout");
725 alg->Update(&context, block, len);
726 break;
727 case input_universal:
728 end = block + len;
729 for (p = q = block; p < end; p = q) {
730 if (cr) {
731 if (*p == '\n')
732 p++;
733 if (tee && putchar('\n') == EOF)
734 err(1, "stdout");
735 alg->Update(&context, "\n", 1);
736 cr = false;
737 }
738 for (q = p; q < end && *q != '\r'; q++)
739 /* nothing */;
740 if (q > p) {
741 if (tee &&
742 fwrite(p, 1, q - p, stdout) !=
743 (size_t)(q - p))
744 err(1, "stdout");
745 alg->Update(&context, p, q - p);
746 }
747 if (q < end && *q == '\r') {
748 cr = true;
749 q++;
750 }
751 }
752 break;
753 case input_bits:
754 end = block + len;
755 bits = byte = 0;
756 for (p = block; p < end; p++) {
757 if (*p == '0' || *p == '1') {
758 byte <<= 1;
759 byte |= *p - '0';
760 if (++bits == 8) {
761 if (tee && putchar(byte) == EOF)
762 err(1, "stdout");
763 alg->Update(&context, &byte, 1);
764 bits = byte = 0;
765 }
766 }
767 }
768 break;
769 }
770 }
771 if (ferror(f)) {
772 alg->End(&context, buf);
773 return (NULL);
774 }
775 if (cr) {
776 if (tee && putchar('\n') == EOF)
777 err(1, "stdout");
778 alg->Update(&context, "\n", 1);
779 }
780 if (input_mode == input_bits && bits != 0)
781 errx(1, "input length was not a multiple of 8");
782 return (alg->End(&context, buf));
783 }
784
785 /*
786 * Common output handling
787 */
788 static void
MDOutput(const Algorithm_t * alg,char * p,const char * name)789 MDOutput(const Algorithm_t *alg, char *p, const char *name)
790 {
791 char namebuf[MAXPATHLEN * 4];
792 bool checkfailed = false;
793
794 if (safename(namebuf, sizeof(namebuf), name) < 0)
795 errc(1, ENAMETOOLONG, NULL);
796 name = namebuf;
797 if (p == NULL) {
798 warn("%s", name);
799 failed = true;
800 } else if (cflag && mode != mode_bsd) {
801 checkfailed = strcasecmp(checkAgainst, p) != 0;
802 if (!sflag && (!qflag || checkfailed))
803 printf("%s: %s%c", name, checkfailed ? "FAILED" : "OK",
804 endl);
805 } else {
806 switch (output_mode) {
807 case output_bare:
808 printf("%s", p);
809 break;
810 case output_gnu:
811 printf("%s %c%s", p, input_mode, name);
812 break;
813 case output_reverse:
814 printf("%s %s", p, name);
815 break;
816 case output_tagged:
817 if (mode == mode_perl &&
818 strncmp(alg->name, "SHA512t", 7) == 0) {
819 printf("%.6s/%s", alg->name, alg->name + 7);
820 } else {
821 printf("%s", alg->name);
822 }
823 printf(" (%s) = %s", name, p);
824 break;
825 }
826 if (checkAgainst) {
827 checkfailed = strcasecmp(checkAgainst, p) != 0;
828 if (!qflag && checkfailed)
829 printf(" [ Failed ]");
830 }
831 printf("%c", endl);
832 }
833 if (checkfailed)
834 checksFailed++;
835 }
836
837 /*
838 * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
839 */
840 static void
MDTimeTrial(const Algorithm_t * alg)841 MDTimeTrial(const Algorithm_t *alg)
842 {
843 DIGEST_CTX context;
844 struct rusage before, after;
845 struct timeval total;
846 float seconds;
847 unsigned char block[TEST_BLOCK_LEN];
848 unsigned int i;
849 char *p, buf[HEX_DIGEST_LENGTH];
850
851 printf("%s time trial. Digesting %d %d-byte blocks ...",
852 alg->name, TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
853 fflush(stdout);
854
855 /* Initialize block */
856 for (i = 0; i < TEST_BLOCK_LEN; i++)
857 block[i] = (unsigned char) (i & 0xff);
858
859 /* Start timer */
860 getrusage(RUSAGE_SELF, &before);
861
862 /* Digest blocks */
863 alg->Init(&context);
864 for (i = 0; i < TEST_BLOCK_COUNT; i++)
865 alg->Update(&context, block, TEST_BLOCK_LEN);
866 p = alg->End(&context, buf);
867
868 /* Stop timer */
869 getrusage(RUSAGE_SELF, &after);
870 timersub(&after.ru_utime, &before.ru_utime, &total);
871 seconds = total.tv_sec + (float) total.tv_usec / 1000000;
872
873 printf(" done\n");
874 printf("Digest = %s", p);
875 printf("\nTime = %f seconds\n", seconds);
876 printf("Speed = %f MiB/second\n", (float) TEST_BLOCK_LEN *
877 (float) TEST_BLOCK_COUNT / seconds / (1 << 20));
878 }
879 /*
880 * Digests a reference suite of strings and prints the results.
881 */
882
883 static const char *MDTestInput[MDTESTCOUNT] = {
884 "",
885 "a",
886 "abc",
887 "message digest",
888 "abcdefghijklmnopqrstuvwxyz",
889 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
890 "12345678901234567890123456789012345678901234567890123456789012345678901234567890",
891 "MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made \
892 that its security is in some doubt"
893 };
894
895 const char *MD5TestOutput[MDTESTCOUNT] = {
896 "d41d8cd98f00b204e9800998ecf8427e",
897 "0cc175b9c0f1b6a831c399e269772661",
898 "900150983cd24fb0d6963f7d28e17f72",
899 "f96b697d7cb7938d525a2f31aaf161d0",
900 "c3fcd3d76192e4007dfb496cca67e13b",
901 "d174ab98d277d9f5a5611c2c9f419d9f",
902 "57edf4a22be3c955ac49da2e2107b67a",
903 "b50663f41d44d92171cb9976bc118538"
904 };
905
906 const char *SHA1_TestOutput[MDTESTCOUNT] = {
907 "da39a3ee5e6b4b0d3255bfef95601890afd80709",
908 "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8",
909 "a9993e364706816aba3e25717850c26c9cd0d89d",
910 "c12252ceda8be8994d5fa0290a47231c1d16aae3",
911 "32d10c7b8cf96570ca04ce37f2a19d84240d3a89",
912 "761c457bf73b14d27e9e9265c46f4b4dda11f940",
913 "50abf5706a150990a08b2c5ea40fa0e585554732",
914 "18eca4333979c4181199b7b4fab8786d16cf2846"
915 };
916
917 const char *SHA224_TestOutput[MDTESTCOUNT] = {
918 "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f",
919 "abd37534c7d9a2efb9465de931cd7055ffdb8879563ae98078d6d6d5",
920 "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7",
921 "2cb21c83ae2f004de7e81c3c7019cbcb65b71ab656b22d6d0c39b8eb",
922 "45a5f72c39c5cff2522eb3429799e49e5f44b356ef926bcf390dccc2",
923 "bff72b4fcb7d75e5632900ac5f90d219e05e97a7bde72e740db393d9",
924 "b50aecbe4e9bb0b57bc5f3ae760a8e01db24f203fb3cdcd13148046e",
925 "5ae55f3779c8a1204210d7ed7689f661fbe140f96f272ab79e19d470"
926 };
927
928 const char *SHA256_TestOutput[MDTESTCOUNT] = {
929 "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
930 "ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb",
931 "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
932 "f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650",
933 "71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73",
934 "db4bfcbd4da0cd85a60c3c37d3fbd8805c77f15fc6b1fdfe614ee0a7c8fdb4c0",
935 "f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e",
936 "e6eae09f10ad4122a0e2a4075761d185a272ebd9f5aa489e998ff2f09cbfdd9f"
937 };
938
939 const char *SHA384_TestOutput[MDTESTCOUNT] = {
940 "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b",
941 "54a59b9f22b0b80880d8427e548b7c23abd873486e1f035dce9cd697e85175033caa88e6d57bc35efae0b5afd3145f31",
942 "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7",
943 "473ed35167ec1f5d8e550368a3db39be54639f828868e9454c239fc8b52e3c61dbd0d8b4de1390c256dcbb5d5fd99cd5",
944 "feb67349df3db6f5924815d6c3dc133f091809213731fe5c7b5f4999e463479ff2877f5f2936fa63bb43784b12f3ebb4",
945 "1761336e3f7cbfe51deb137f026f89e01a448e3b1fafa64039c1464ee8732f11a5341a6f41e0c202294736ed64db1a84",
946 "b12932b0627d1c060942f5447764155655bd4da0c9afa6dd9b9ef53129af1b8fb0195996d2de9ca0df9d821ffee67026",
947 "99428d401bf4abcd4ee0695248c9858b7503853acfae21a9cffa7855f46d1395ef38596fcd06d5a8c32d41a839cc5dfb"
948 };
949
950 const char *SHA512_TestOutput[MDTESTCOUNT] = {
951 "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e",
952 "1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75",
953 "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
954 "107dbf389d9e9f71a3a95f6c055b9251bc5268c2be16d6c13492ea45b0199f3309e16455ab1e96118e8a905d5597b72038ddb372a89826046de66687bb420e7c",
955 "4dbff86cc2ca1bae1e16468a05cb9881c97f1753bce3619034898faa1aabe429955a1bf8ec483d7421fe3c1646613a59ed5441fb0f321389f77f48a879c7b1f1",
956 "1e07be23c26a86ea37ea810c8ec7809352515a970e9253c26f536cfc7a9996c45c8370583e0a78fa4a90041d71a4ceab7423f19c71b9d5a3e01249f0bebd5894",
957 "72ec1ef1124a45b047e8b7c75a932195135bb61de24ec0d1914042246e0aec3a2354e093d76f3048b456764346900cb130d2a4fd5dd16abb5e30bcb850dee843",
958 "e8a835195e039708b13d9131e025f4441dbdc521ce625f245a436dcd762f54bf5cb298d96235e6c6a304e087ec8189b9512cbdf6427737ea82793460c367b9c3"
959 };
960
961 const char *SHA512t224_TestOutput[MDTESTCOUNT] = {
962 "6ed0dd02806fa89e25de060c19d3ac86cabb87d6a0ddd05c333b84f4",
963 "d5cdb9ccc769a5121d4175f2bfdd13d6310e0d3d361ea75d82108327",
964 "4634270f707b6a54daae7530460842e20e37ed265ceee9a43e8924aa",
965 "ad1a4db188fe57064f4f24609d2a83cd0afb9b398eb2fcaeaae2c564",
966 "ff83148aa07ec30655c1b40aff86141c0215fe2a54f767d3f38743d8",
967 "a8b4b9174b99ffc67d6f49be9981587b96441051e16e6dd036b140d3",
968 "ae988faaa47e401a45f704d1272d99702458fea2ddc6582827556dd2",
969 "b3c3b945249b0c8c94aba76ea887bcaad5401665a1fbeb384af4d06b"
970 };
971
972 const char *SHA512t256_TestOutput[MDTESTCOUNT] = {
973 "c672b8d1ef56ed28ab87c3622c5114069bdd3ad7b8f9737498d0c01ecef0967a",
974 "455e518824bc0601f9fb858ff5c37d417d67c2f8e0df2babe4808858aea830f8",
975 "53048e2681941ef99b2e29b76b4c7dabe4c2d0c634fc6d46e0e2f13107e7af23",
976 "0cf471fd17ed69d990daf3433c89b16d63dec1bb9cb42a6094604ee5d7b4e9fb",
977 "fc3189443f9c268f626aea08a756abe7b726b05f701cb08222312ccfd6710a26",
978 "cdf1cc0effe26ecc0c13758f7b4a48e000615df241284185c39eb05d355bb9c8",
979 "2c9fdbc0c90bdd87612ee8455474f9044850241dc105b1e8b94b8ddf5fac9148",
980 "dd095fc859b336c30a52548b3dc59fcc0d1be8616ebcf3368fad23107db2d736"
981 };
982
983 const char *RIPEMD160_TestOutput[MDTESTCOUNT] = {
984 "9c1185a5c5e9fc54612808977ee8f548b2258d31",
985 "0bdc9d2d256b3ee9daae347be6f4dc835a467ffe",
986 "8eb208f7e05d987a9b044a8e98c6b087f15a0bfc",
987 "5d0689ef49d2fae572b881b123a85ffa21595f36",
988 "f71c27109c692c1b56bbdceb5b9d2865b3708dbc",
989 "b0e20b6e3116640286ed3a87a5713079b21f5189",
990 "9b752e45573d4b39f4dbd3323cab82bf63326bfb",
991 "5feb69c6bf7c29d95715ad55f57d8ac5b2b7dd32"
992 };
993
994 const char *SKEIN256_TestOutput[MDTESTCOUNT] = {
995 "c8877087da56e072870daa843f176e9453115929094c3a40c463a196c29bf7ba",
996 "7fba44ff1a31d71a0c1f82e6e82fb5e9ac6c92a39c9185b9951fed82d82fe635",
997 "258bdec343b9fde1639221a5ae0144a96e552e5288753c5fec76c05fc2fc1870",
998 "4d2ce0062b5eb3a4db95bc1117dd8aa014f6cd50fdc8e64f31f7d41f9231e488",
999 "46d8440685461b00e3ddb891b2ecc6855287d2bd8834a95fb1c1708b00ea5e82",
1000 "7c5eb606389556b33d34eb2536459528dc0af97adbcd0ce273aeb650f598d4b2",
1001 "4def7a7e5464a140ae9c3a80279fbebce4bd00f9faad819ab7e001512f67a10d",
1002 "d9c017dbe355f318d036469eb9b5fbe129fc2b5786a9dc6746a516eab6fe0126"
1003 };
1004
1005 const char *SKEIN512_TestOutput[MDTESTCOUNT] = {
1006 "bc5b4c50925519c290cc634277ae3d6257212395cba733bbad37a4af0fa06af41fca7903d06564fea7a2d3730dbdb80c1f85562dfcc070334ea4d1d9e72cba7a",
1007 "b1cd8d33f61b3737adfd59bb13ad82f4a9548e92f22956a8976cca3fdb7fee4fe91698146c4197cec85d38b83c5d93bdba92c01fd9a53870d0c7f967bc62bdce",
1008 "8f5dd9ec798152668e35129496b029a960c9a9b88662f7f9482f110b31f9f93893ecfb25c009baad9e46737197d5630379816a886aa05526d3a70df272d96e75",
1009 "15b73c158ffb875fed4d72801ded0794c720b121c0c78edf45f900937e6933d9e21a3a984206933d504b5dbb2368000411477ee1b204c986068df77886542fcc",
1010 "23793ad900ef12f9165c8080da6fdfd2c8354a2929b8aadf83aa82a3c6470342f57cf8c035ec0d97429b626c4d94f28632c8f5134fd367dca5cf293d2ec13f8c",
1011 "0c6bed927e022f5ddcf81877d42e5f75798a9f8fd3ede3d83baac0a2f364b082e036c11af35fe478745459dd8f5c0b73efe3c56ba5bb2009208d5a29cc6e469c",
1012 "2ca9fcffb3456f297d1b5f407014ecb856f0baac8eb540f534b1f187196f21e88f31103128c2f03fcc9857d7a58eb66f9525e2302d88833ee069295537a434ce",
1013 "1131f2aaa0e97126c9314f9f968cc827259bbfabced2943bb8c9274448998fb3b78738b4580dd500c76105fd3c03e465e1414f2c29664286b1f79d3e51128125"
1014 };
1015
1016 const char *SKEIN1024_TestOutput[MDTESTCOUNT] = {
1017 "0fff9563bb3279289227ac77d319b6fff8d7e9f09da1247b72a0a265cd6d2a62645ad547ed8193db48cff847c06494a03f55666d3b47eb4c20456c9373c86297d630d5578ebd34cb40991578f9f52b18003efa35d3da6553ff35db91b81ab890bec1b189b7f52cb2a783ebb7d823d725b0b4a71f6824e88f68f982eefc6d19c6",
1018 "6ab4c4ba9814a3d976ec8bffa7fcc638ceba0544a97b3c98411323ffd2dc936315d13dc93c13c4e88cda6f5bac6f2558b2d8694d3b6143e40d644ae43ca940685cb37f809d3d0550c56cba8036dee729a4f8fb960732e59e64d57f7f7710f8670963cdcdc95b41daab4855fcf8b6762a64b173ee61343a2c7689af1d293eba97",
1019 "35a599a0f91abcdb4cb73c19b8cb8d947742d82c309137a7caed29e8e0a2ca7a9ff9a90c34c1908cc7e7fd99bb15032fb86e76df21b72628399b5f7c3cc209d7bb31c99cd4e19465622a049afbb87c03b5ce3888d17e6e667279ec0aa9b3e2712624c01b5f5bbe1a564220bdcf6990af0c2539019f313fdd7406cca3892a1f1f",
1020 "ea891f5268acd0fac97467fc1aa89d1ce8681a9992a42540e53babee861483110c2d16f49e73bac27653ff173003e40cfb08516cd34262e6af95a5d8645c9c1abb3e813604d508b8511b30f9a5c1b352aa0791c7d2f27b2706dccea54bc7de6555b5202351751c3299f97c09cf89c40f67187e2521c0fad82b30edbb224f0458",
1021 "f23d95c2a25fbcd0e797cd058fec39d3c52d2b5afd7a9af1df934e63257d1d3dcf3246e7329c0f1104c1e51e3d22e300507b0c3b9f985bb1f645ef49835080536becf83788e17fed09c9982ba65c3cb7ffe6a5f745b911c506962adf226e435c42f6f6bc08d288f9c810e807e3216ef444f3db22744441deefa4900982a1371f",
1022 "cf3889e8a8d11bfd3938055d7d061437962bc5eac8ae83b1b71c94be201b8cf657fdbfc38674997a008c0c903f56a23feb3ae30e012377f1cfa080a9ca7fe8b96138662653fb3335c7d06595bf8baf65e215307532094cfdfa056bd8052ab792a3944a2adaa47b30335b8badb8fe9eb94fe329cdca04e58bbc530f0af709f469",
1023 "cf21a613620e6c119eca31fdfaad449a8e02f95ca256c21d2a105f8e4157048f9fe1e897893ea18b64e0e37cb07d5ac947f27ba544caf7cbc1ad094e675aed77a366270f7eb7f46543bccfa61c526fd628408058ed00ed566ac35a9761d002e629c4fb0d430b2f4ad016fcc49c44d2981c4002da0eecc42144160e2eaea4855a",
1024 "e6799b78db54085a2be7ff4c8007f147fa88d326abab30be0560b953396d8802feee9a15419b48a467574e9283be15685ca8a079ee52b27166b64dd70b124b1d4e4f6aca37224c3f2685e67e67baef9f94b905698adc794a09672aba977a61b20966912acdb08c21a2c37001785355dc884751a21f848ab36e590331ff938138"
1025 };
1026
1027 static void
MDTestSuite(const Algorithm_t * alg)1028 MDTestSuite(const Algorithm_t *alg)
1029 {
1030 int i;
1031 char buffer[HEX_DIGEST_LENGTH];
1032
1033 printf("%s test suite:\n", alg->name);
1034 for (i = 0; i < MDTESTCOUNT; i++) {
1035 (*alg->Data)(MDTestInput[i], strlen(MDTestInput[i]), buffer);
1036 printf("%s (\"%s\") = %s", alg->name, MDTestInput[i], buffer);
1037 if (strcmp(buffer, (*alg->TestOutput)[i]) == 0) {
1038 printf(" - verified correct\n");
1039 } else {
1040 printf(" - INCORRECT RESULT!\n");
1041 failed = true;
1042 }
1043 }
1044 }
1045
1046 static void
usage(const Algorithm_t * alg)1047 usage(const Algorithm_t *alg)
1048 {
1049
1050 switch (mode) {
1051 case mode_gnu:
1052 fprintf(stderr, "usage: %ssum [-bctwz] [files ...]\n", alg->progname);
1053 break;
1054 case mode_perl:
1055 fprintf(stderr, "usage: shasum [-0bchqstUvw] [-a alg] [files ...]\n");
1056 break;
1057 default:
1058 fprintf(stderr, "usage: %s [-pqrtx] [-c string] [-s string] [files ...]\n",
1059 alg->progname);
1060 }
1061 exit(1);
1062 }
1063
1064 static void
version(void)1065 version(void)
1066 {
1067 if (mode == mode_gnu)
1068 printf("%s (FreeBSD) ", progname);
1069 printf("%d.%d\n",
1070 __FreeBSD_version / 100000,
1071 (__FreeBSD_version / 1000) % 100);
1072 exit(0);
1073 }
1074