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diff --git a/src/usr.bin/openssl/dgst.c b/src/usr.bin/openssl/dgst.c
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1/* $OpenBSD: dgst.c,v 1.1 2014/08/26 17:47:24 jsing Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include <stdlib.h>
61#include <string.h>
62
63#include "apps.h"
64
65#include <openssl/bio.h>
66#include <openssl/err.h>
67#include <openssl/evp.h>
68#include <openssl/hmac.h>
69#include <openssl/objects.h>
70#include <openssl/pem.h>
71#include <openssl/x509.h>
72
73#define BUFSIZE 1024*8
74
75int
76do_fp(BIO * out, unsigned char *buf, BIO * bp, int sep, int binout,
77 EVP_PKEY * key, unsigned char *sigin, int siglen,
78 const char *sig_name, const char *md_name,
79 const char *file, BIO * bmd);
80
81static void
82list_md_fn(const EVP_MD * m, const char *from, const char *to, void *arg)
83{
84 const char *mname;
85 /* Skip aliases */
86 if (!m)
87 return;
88 mname = OBJ_nid2ln(EVP_MD_type(m));
89 /* Skip shortnames */
90 if (strcmp(from, mname))
91 return;
92 /* Skip clones */
93 if (EVP_MD_flags(m) & EVP_MD_FLAG_PKEY_DIGEST)
94 return;
95 if (strchr(mname, ' '))
96 mname = EVP_MD_name(m);
97 BIO_printf(arg, "-%-14s to use the %s message digest algorithm\n",
98 mname, mname);
99}
100
101int dgst_main(int, char **);
102
103int
104dgst_main(int argc, char **argv)
105{
106 ENGINE *e = NULL;
107 unsigned char *buf = NULL;
108 int i, err = 1;
109 const EVP_MD *md = NULL, *m;
110 BIO *in = NULL, *inp;
111 BIO *bmd = NULL;
112 BIO *out = NULL;
113#define PROG_NAME_SIZE 39
114 char pname[PROG_NAME_SIZE + 1];
115 int separator = 0;
116 int debug = 0;
117 int keyform = FORMAT_PEM;
118 const char *outfile = NULL, *keyfile = NULL;
119 const char *sigfile = NULL;
120 int out_bin = -1, want_pub = 0, do_verify = 0;
121 EVP_PKEY *sigkey = NULL;
122 unsigned char *sigbuf = NULL;
123 int siglen = 0;
124 char *passargin = NULL, *passin = NULL;
125#ifndef OPENSSL_NO_ENGINE
126 char *engine = NULL;
127#endif
128 char *hmac_key = NULL;
129 char *mac_name = NULL;
130 STACK_OF(OPENSSL_STRING) * sigopts = NULL, *macopts = NULL;
131
132 if ((buf = malloc(BUFSIZE)) == NULL) {
133 BIO_printf(bio_err, "out of memory\n");
134 goto end;
135 }
136
137 /* first check the program name */
138 program_name(argv[0], pname, sizeof pname);
139
140 md = EVP_get_digestbyname(pname);
141
142 argc--;
143 argv++;
144 while (argc > 0) {
145 if ((*argv)[0] != '-')
146 break;
147 if (strcmp(*argv, "-c") == 0)
148 separator = 1;
149 else if (strcmp(*argv, "-r") == 0)
150 separator = 2;
151 else if (strcmp(*argv, "-out") == 0) {
152 if (--argc < 1)
153 break;
154 outfile = *(++argv);
155 } else if (strcmp(*argv, "-sign") == 0) {
156 if (--argc < 1)
157 break;
158 keyfile = *(++argv);
159 } else if (!strcmp(*argv, "-passin")) {
160 if (--argc < 1)
161 break;
162 passargin = *++argv;
163 } else if (strcmp(*argv, "-verify") == 0) {
164 if (--argc < 1)
165 break;
166 keyfile = *(++argv);
167 want_pub = 1;
168 do_verify = 1;
169 } else if (strcmp(*argv, "-prverify") == 0) {
170 if (--argc < 1)
171 break;
172 keyfile = *(++argv);
173 do_verify = 1;
174 } else if (strcmp(*argv, "-signature") == 0) {
175 if (--argc < 1)
176 break;
177 sigfile = *(++argv);
178 } else if (strcmp(*argv, "-keyform") == 0) {
179 if (--argc < 1)
180 break;
181 keyform = str2fmt(*(++argv));
182 }
183#ifndef OPENSSL_NO_ENGINE
184 else if (strcmp(*argv, "-engine") == 0) {
185 if (--argc < 1)
186 break;
187 engine = *(++argv);
188 e = setup_engine(bio_err, engine, 0);
189 }
190#endif
191 else if (strcmp(*argv, "-hex") == 0)
192 out_bin = 0;
193 else if (strcmp(*argv, "-binary") == 0)
194 out_bin = 1;
195 else if (strcmp(*argv, "-d") == 0)
196 debug = 1;
197 else if (!strcmp(*argv, "-hmac")) {
198 if (--argc < 1)
199 break;
200 hmac_key = *++argv;
201 } else if (!strcmp(*argv, "-mac")) {
202 if (--argc < 1)
203 break;
204 mac_name = *++argv;
205 } else if (strcmp(*argv, "-sigopt") == 0) {
206 if (--argc < 1)
207 break;
208 if (!sigopts)
209 sigopts = sk_OPENSSL_STRING_new_null();
210 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
211 break;
212 } else if (strcmp(*argv, "-macopt") == 0) {
213 if (--argc < 1)
214 break;
215 if (!macopts)
216 macopts = sk_OPENSSL_STRING_new_null();
217 if (!macopts || !sk_OPENSSL_STRING_push(macopts, *(++argv)))
218 break;
219 } else if ((m = EVP_get_digestbyname(&((*argv)[1]))) != NULL)
220 md = m;
221 else
222 break;
223 argc--;
224 argv++;
225 }
226
227
228 if (do_verify && !sigfile) {
229 BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
230 goto end;
231 }
232 if ((argc > 0) && (argv[0][0] == '-')) { /* bad option */
233 BIO_printf(bio_err, "unknown option '%s'\n", *argv);
234 BIO_printf(bio_err, "options are\n");
235 BIO_printf(bio_err, "-c to output the digest with separating colons\n");
236 BIO_printf(bio_err, "-r to output the digest in coreutils format\n");
237 BIO_printf(bio_err, "-d to output debug info\n");
238 BIO_printf(bio_err, "-hex output as hex dump\n");
239 BIO_printf(bio_err, "-binary output in binary form\n");
240 BIO_printf(bio_err, "-sign file sign digest using private key in file\n");
241 BIO_printf(bio_err, "-verify file verify a signature using public key in file\n");
242 BIO_printf(bio_err, "-prverify file verify a signature using private key in file\n");
243 BIO_printf(bio_err, "-keyform arg key file format (PEM or ENGINE)\n");
244 BIO_printf(bio_err, "-out filename output to filename rather than stdout\n");
245 BIO_printf(bio_err, "-signature file signature to verify\n");
246 BIO_printf(bio_err, "-sigopt nm:v signature parameter\n");
247 BIO_printf(bio_err, "-hmac key create hashed MAC with key\n");
248 BIO_printf(bio_err, "-mac algorithm create MAC (not neccessarily HMAC)\n");
249 BIO_printf(bio_err, "-macopt nm:v MAC algorithm parameters or key\n");
250#ifndef OPENSSL_NO_ENGINE
251 BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
252#endif
253
254 EVP_MD_do_all_sorted(list_md_fn, bio_err);
255 goto end;
256 }
257 in = BIO_new(BIO_s_file());
258 bmd = BIO_new(BIO_f_md());
259 if (debug) {
260 BIO_set_callback(in, BIO_debug_callback);
261 /* needed for windows 3.1 */
262 BIO_set_callback_arg(in, (char *) bio_err);
263 }
264 if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
265 BIO_printf(bio_err, "Error getting password\n");
266 goto end;
267 }
268 if ((in == NULL) || (bmd == NULL)) {
269 ERR_print_errors(bio_err);
270 goto end;
271 }
272 if (out_bin == -1) {
273 if (keyfile)
274 out_bin = 1;
275 else
276 out_bin = 0;
277 }
278
279 if (outfile) {
280 if (out_bin)
281 out = BIO_new_file(outfile, "wb");
282 else
283 out = BIO_new_file(outfile, "w");
284 } else {
285 out = BIO_new_fp(stdout, BIO_NOCLOSE);
286 }
287
288 if (!out) {
289 BIO_printf(bio_err, "Error opening output file %s\n",
290 outfile ? outfile : "(stdout)");
291 ERR_print_errors(bio_err);
292 goto end;
293 }
294 if ((!!mac_name + !!keyfile + !!hmac_key) > 1) {
295 BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
296 goto end;
297 }
298 if (keyfile) {
299 if (want_pub)
300 sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
301 e, "key file");
302 else
303 sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
304 e, "key file");
305 if (!sigkey) {
306 /*
307 * load_[pub]key() has already printed an appropriate
308 * message
309 */
310 goto end;
311 }
312 }
313 if (mac_name) {
314 EVP_PKEY_CTX *mac_ctx = NULL;
315 int r = 0;
316 if (!init_gen_str(bio_err, &mac_ctx, mac_name, e, 0))
317 goto mac_end;
318 if (macopts) {
319 char *macopt;
320 for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) {
321 macopt = sk_OPENSSL_STRING_value(macopts, i);
322 if (pkey_ctrl_string(mac_ctx, macopt) <= 0) {
323 BIO_printf(bio_err,
324 "MAC parameter error \"%s\"\n",
325 macopt);
326 ERR_print_errors(bio_err);
327 goto mac_end;
328 }
329 }
330 }
331 if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) {
332 BIO_puts(bio_err, "Error generating key\n");
333 ERR_print_errors(bio_err);
334 goto mac_end;
335 }
336 r = 1;
337mac_end:
338 if (mac_ctx)
339 EVP_PKEY_CTX_free(mac_ctx);
340 if (r == 0)
341 goto end;
342 }
343 if (hmac_key) {
344 sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, e,
345 (unsigned char *) hmac_key, -1);
346 if (!sigkey)
347 goto end;
348 }
349 if (sigkey) {
350 EVP_MD_CTX *mctx = NULL;
351 EVP_PKEY_CTX *pctx = NULL;
352 int r;
353 if (!BIO_get_md_ctx(bmd, &mctx)) {
354 BIO_printf(bio_err, "Error getting context\n");
355 ERR_print_errors(bio_err);
356 goto end;
357 }
358 if (do_verify)
359 r = EVP_DigestVerifyInit(mctx, &pctx, md, NULL, sigkey);
360 else
361 r = EVP_DigestSignInit(mctx, &pctx, md, NULL, sigkey);
362 if (!r) {
363 BIO_printf(bio_err, "Error setting context\n");
364 ERR_print_errors(bio_err);
365 goto end;
366 }
367 if (sigopts) {
368 char *sigopt;
369 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
370 sigopt = sk_OPENSSL_STRING_value(sigopts, i);
371 if (pkey_ctrl_string(pctx, sigopt) <= 0) {
372 BIO_printf(bio_err,
373 "parameter error \"%s\"\n",
374 sigopt);
375 ERR_print_errors(bio_err);
376 goto end;
377 }
378 }
379 }
380 }
381 /* we use md as a filter, reading from 'in' */
382 else {
383 if (md == NULL)
384 md = EVP_md5();
385 if (!BIO_set_md(bmd, md)) {
386 BIO_printf(bio_err, "Error setting digest %s\n", pname);
387 ERR_print_errors(bio_err);
388 goto end;
389 }
390 }
391
392 if (sigfile && sigkey) {
393 BIO *sigbio;
394 sigbio = BIO_new_file(sigfile, "rb");
395 siglen = EVP_PKEY_size(sigkey);
396 sigbuf = malloc(siglen);
397 if (!sigbio) {
398 BIO_printf(bio_err, "Error opening signature file %s\n",
399 sigfile);
400 ERR_print_errors(bio_err);
401 goto end;
402 }
403 siglen = BIO_read(sigbio, sigbuf, siglen);
404 BIO_free(sigbio);
405 if (siglen <= 0) {
406 BIO_printf(bio_err, "Error reading signature file %s\n",
407 sigfile);
408 ERR_print_errors(bio_err);
409 goto end;
410 }
411 }
412 inp = BIO_push(bmd, in);
413
414 if (md == NULL) {
415 EVP_MD_CTX *tctx;
416 BIO_get_md_ctx(bmd, &tctx);
417 md = EVP_MD_CTX_md(tctx);
418 }
419 if (argc == 0) {
420 BIO_set_fp(in, stdin, BIO_NOCLOSE);
421 err = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
422 siglen, NULL, NULL, "stdin", bmd);
423 } else {
424 const char *md_name = NULL, *sig_name = NULL;
425 if (!out_bin) {
426 if (sigkey) {
427 const EVP_PKEY_ASN1_METHOD *ameth;
428 ameth = EVP_PKEY_get0_asn1(sigkey);
429 if (ameth)
430 EVP_PKEY_asn1_get0_info(NULL, NULL,
431 NULL, NULL, &sig_name, ameth);
432 }
433 md_name = EVP_MD_name(md);
434 }
435 err = 0;
436 for (i = 0; i < argc; i++) {
437 int r;
438 if (BIO_read_filename(in, argv[i]) <= 0) {
439 perror(argv[i]);
440 err++;
441 continue;
442 } else {
443 r = do_fp(out, buf, inp, separator, out_bin,
444 sigkey, sigbuf, siglen, sig_name, md_name,
445 argv[i], bmd);
446 }
447 if (r)
448 err = r;
449 (void) BIO_reset(bmd);
450 }
451 }
452
453end:
454 if (buf != NULL) {
455 OPENSSL_cleanse(buf, BUFSIZE);
456 free(buf);
457 }
458 if (in != NULL)
459 BIO_free(in);
460 free(passin);
461 BIO_free_all(out);
462 EVP_PKEY_free(sigkey);
463 if (sigopts)
464 sk_OPENSSL_STRING_free(sigopts);
465 if (macopts)
466 sk_OPENSSL_STRING_free(macopts);
467 free(sigbuf);
468 if (bmd != NULL)
469 BIO_free(bmd);
470
471 return (err);
472}
473
474int
475do_fp(BIO * out, unsigned char *buf, BIO * bp, int sep, int binout,
476 EVP_PKEY * key, unsigned char *sigin, int siglen,
477 const char *sig_name, const char *md_name,
478 const char *file, BIO * bmd)
479{
480 size_t len;
481 int i;
482
483 for (;;) {
484 i = BIO_read(bp, (char *) buf, BUFSIZE);
485 if (i < 0) {
486 BIO_printf(bio_err, "Read Error in %s\n", file);
487 ERR_print_errors(bio_err);
488 return 1;
489 }
490 if (i == 0)
491 break;
492 }
493 if (sigin) {
494 EVP_MD_CTX *ctx;
495 BIO_get_md_ctx(bp, &ctx);
496 i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int) siglen);
497 if (i > 0)
498 BIO_printf(out, "Verified OK\n");
499 else if (i == 0) {
500 BIO_printf(out, "Verification Failure\n");
501 return 1;
502 } else {
503 BIO_printf(bio_err, "Error Verifying Data\n");
504 ERR_print_errors(bio_err);
505 return 1;
506 }
507 return 0;
508 }
509 if (key) {
510 EVP_MD_CTX *ctx;
511 BIO_get_md_ctx(bp, &ctx);
512 len = BUFSIZE;
513 if (!EVP_DigestSignFinal(ctx, buf, &len)) {
514 BIO_printf(bio_err, "Error Signing Data\n");
515 ERR_print_errors(bio_err);
516 return 1;
517 }
518 } else {
519 len = BIO_gets(bp, (char *) buf, BUFSIZE);
520 if ((int) len < 0) {
521 ERR_print_errors(bio_err);
522 return 1;
523 }
524 }
525
526 if (binout)
527 BIO_write(out, buf, len);
528 else if (sep == 2) {
529 for (i = 0; i < (int) len; i++)
530 BIO_printf(out, "%02x", buf[i]);
531 BIO_printf(out, " *%s\n", file);
532 } else {
533 if (sig_name)
534 BIO_printf(out, "%s-%s(%s)= ", sig_name, md_name, file);
535 else if (md_name)
536 BIO_printf(out, "%s(%s)= ", md_name, file);
537 else
538 BIO_printf(out, "(%s)= ", file);
539 for (i = 0; i < (int) len; i++) {
540 if (sep && (i != 0))
541 BIO_printf(out, ":");
542 BIO_printf(out, "%02x", buf[i]);
543 }
544 BIO_printf(out, "\n");
545 }
546 return 0;
547}
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