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remove unused variable
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d02b48c6 1/* apps/dgst.c */
58964a49 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
RE
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 <string.h>
61#include <stdlib.h>
62#include "apps.h"
ec577822
BM
63#include <openssl/bio.h>
64#include <openssl/err.h>
65#include <openssl/evp.h>
66#include <openssl/objects.h>
67#include <openssl/x509.h>
68#include <openssl/pem.h>
d02b48c6
RE
69
70#undef BUFSIZE
71#define BUFSIZE 1024*8
72
73#undef PROG
74#define PROG dgst_main
75
d15711ef
BL
76int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
77 EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title,
78 const char *file);
667ac4ec
RE
79
80int MAIN(int, char **);
81
6b691a5c 82int MAIN(int argc, char **argv)
d02b48c6 83 {
5270e702 84 ENGINE *e = NULL;
d02b48c6
RE
85 unsigned char *buf=NULL;
86 int i,err=0;
e778802f 87 const EVP_MD *md=NULL,*m;
d02b48c6
RE
88 BIO *in=NULL,*inp;
89 BIO *bmd=NULL;
7df1c720 90 BIO *out = NULL;
e778802f 91 const char *name;
dfee50ec
RL
92#define PROG_NAME_SIZE 39
93 char pname[PROG_NAME_SIZE+1];
d02b48c6
RE
94 int separator=0;
95 int debug=0;
32d862ed 96 int keyform=FORMAT_PEM;
7df1c720
DSH
97 const char *outfile = NULL, *keyfile = NULL;
98 const char *sigfile = NULL, *randfile = NULL;
92125ffa 99 int out_bin = -1, want_pub = 0, do_verify = 0;
7df1c720
DSH
100 EVP_PKEY *sigkey = NULL;
101 unsigned char *sigbuf = NULL;
688fbf54 102 int siglen = 0;
5b40d7dd 103 char *passargin = NULL, *passin = NULL;
0b13e9f0 104#ifndef OPENSSL_NO_ENGINE
5270e702 105 char *engine=NULL;
0b13e9f0 106#endif
d02b48c6
RE
107
108 apps_startup();
109
26a3a48d 110 if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL)
d02b48c6
RE
111 {
112 BIO_printf(bio_err,"out of memory\n");
113 goto end;
114 }
115 if (bio_err == NULL)
116 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49 117 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
d02b48c6 118
3647bee2
DSH
119 if (!load_config(bio_err, NULL))
120 goto end;
121
d02b48c6 122 /* first check the program name */
54a656ef 123 program_name(argv[0],pname,sizeof pname);
d02b48c6
RE
124
125 md=EVP_get_digestbyname(pname);
126
127 argc--;
128 argv++;
54a29df0 129 while (argc > 0)
d02b48c6
RE
130 {
131 if ((*argv)[0] != '-') break;
132 if (strcmp(*argv,"-c") == 0)
133 separator=1;
7df1c720
DSH
134 else if (strcmp(*argv,"-rand") == 0)
135 {
136 if (--argc < 1) break;
137 randfile=*(++argv);
138 }
139 else if (strcmp(*argv,"-out") == 0)
140 {
141 if (--argc < 1) break;
142 outfile=*(++argv);
143 }
144 else if (strcmp(*argv,"-sign") == 0)
145 {
146 if (--argc < 1) break;
147 keyfile=*(++argv);
148 }
5b40d7dd
DSH
149 else if (!strcmp(*argv,"-passin"))
150 {
151 if (--argc < 1)
152 break;
153 passargin=*++argv;
154 }
7df1c720
DSH
155 else if (strcmp(*argv,"-verify") == 0)
156 {
157 if (--argc < 1) break;
158 keyfile=*(++argv);
159 want_pub = 1;
160 do_verify = 1;
161 }
162 else if (strcmp(*argv,"-prverify") == 0)
163 {
164 if (--argc < 1) break;
165 keyfile=*(++argv);
166 do_verify = 1;
167 }
168 else if (strcmp(*argv,"-signature") == 0)
169 {
170 if (--argc < 1) break;
171 sigfile=*(++argv);
172 }
32d862ed
RL
173 else if (strcmp(*argv,"-keyform") == 0)
174 {
175 if (--argc < 1) break;
176 keyform=str2fmt(*(++argv));
177 }
0b13e9f0 178#ifndef OPENSSL_NO_ENGINE
5270e702
RL
179 else if (strcmp(*argv,"-engine") == 0)
180 {
181 if (--argc < 1) break;
182 engine= *(++argv);
246e0931 183 e = setup_engine(bio_err, engine, 0);
5270e702 184 }
0b13e9f0 185#endif
7df1c720
DSH
186 else if (strcmp(*argv,"-hex") == 0)
187 out_bin = 0;
188 else if (strcmp(*argv,"-binary") == 0)
189 out_bin = 1;
d02b48c6
RE
190 else if (strcmp(*argv,"-d") == 0)
191 debug=1;
192 else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
193 md=m;
194 else
195 break;
196 argc--;
197 argv++;
198 }
199
200 if (md == NULL)
201 md=EVP_md5();
202
7df1c720
DSH
203 if(do_verify && !sigfile) {
204 BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
205 err = 1;
206 goto end;
207 }
208
d02b48c6
RE
209 if ((argc > 0) && (argv[0][0] == '-')) /* bad option */
210 {
211 BIO_printf(bio_err,"unknown option '%s'\n",*argv);
212 BIO_printf(bio_err,"options are\n");
7df1c720
DSH
213 BIO_printf(bio_err,"-c to output the digest with separating colons\n");
214 BIO_printf(bio_err,"-d to output debug info\n");
215 BIO_printf(bio_err,"-hex output as hex dump\n");
216 BIO_printf(bio_err,"-binary output in binary form\n");
217 BIO_printf(bio_err,"-sign file sign digest using private key in file\n");
218 BIO_printf(bio_err,"-verify file verify a signature using public key in file\n");
219 BIO_printf(bio_err,"-prverify file verify a signature using private key in file\n");
32d862ed 220 BIO_printf(bio_err,"-keyform arg key file format (PEM or ENGINE)\n");
7df1c720
DSH
221 BIO_printf(bio_err,"-signature file signature to verify\n");
222 BIO_printf(bio_err,"-binary output in binary form\n");
0b13e9f0 223#ifndef OPENSSL_NO_ENGINE
5270e702 224 BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n");
0b13e9f0 225#endif
7df1c720 226
7b1b47a8 227 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm (default)\n",
d02b48c6 228 LN_md5,LN_md5);
7b1b47a8 229 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
3009458e 230 LN_md4,LN_md4);
7b1b47a8 231 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
d02b48c6 232 LN_md2,LN_md2);
c88f8f76 233#ifndef OPENSSL_NO_SHA
7b1b47a8 234 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
d02b48c6 235 LN_sha1,LN_sha1);
c88f8f76 236#ifndef OPENSSL_NO_SHA256
7b1b47a8
AP
237 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
238 LN_sha224,LN_sha224);
239 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
c88f8f76
AP
240 LN_sha256,LN_sha256);
241#endif
242#ifndef OPENSSL_NO_SHA512
7b1b47a8
AP
243 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
244 LN_sha384,LN_sha384);
245 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
c88f8f76
AP
246 LN_sha512,LN_sha512);
247#endif
248#endif
7b1b47a8 249 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
d02b48c6 250 LN_mdc2,LN_mdc2);
7b1b47a8 251 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
dfeab068 252 LN_ripemd160,LN_ripemd160);
7b1b47a8
AP
253#ifndef OPENSSL_NO_WHIRLPOOL
254 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
255 SN_whirlpool,SN_whirlpool);
256#endif
d02b48c6
RE
257 err=1;
258 goto end;
259 }
7df1c720 260
d02b48c6
RE
261 in=BIO_new(BIO_s_file());
262 bmd=BIO_new(BIO_f_md());
263 if (debug)
264 {
265 BIO_set_callback(in,BIO_debug_callback);
266 /* needed for windows 3.1 */
7806f3dd 267 BIO_set_callback_arg(in,(char *)bio_err);
d02b48c6
RE
268 }
269
5b40d7dd
DSH
270 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL))
271 {
272 BIO_printf(bio_err, "Error getting password\n");
273 goto end;
274 }
275
d02b48c6
RE
276 if ((in == NULL) || (bmd == NULL))
277 {
278 ERR_print_errors(bio_err);
279 goto end;
280 }
281
7df1c720
DSH
282 if(out_bin == -1) {
283 if(keyfile) out_bin = 1;
284 else out_bin = 0;
285 }
286
287 if(randfile)
288 app_RAND_load_file(randfile, bio_err, 0);
289
290 if(outfile) {
291 if(out_bin)
292 out = BIO_new_file(outfile, "wb");
293 else out = BIO_new_file(outfile, "w");
645749ef
RL
294 } else {
295 out = BIO_new_fp(stdout, BIO_NOCLOSE);
bc36ee62 296#ifdef OPENSSL_SYS_VMS
645749ef
RL
297 {
298 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
299 out = BIO_push(tmpbio, out);
300 }
301#endif
302 }
7df1c720
DSH
303
304 if(!out) {
305 BIO_printf(bio_err, "Error opening output file %s\n",
306 outfile ? outfile : "(stdout)");
307 ERR_print_errors(bio_err);
308 goto end;
309 }
310
32d862ed
RL
311 if(keyfile)
312 {
30b4c272 313 if (want_pub)
da9b9724 314 sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
30b4c272 315 e, "key file");
32d862ed 316 else
5b40d7dd 317 sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
30b4c272
RL
318 e, "key file");
319 if (!sigkey)
32d862ed 320 {
30b4c272
RL
321 /* load_[pub]key() has already printed an appropriate
322 message */
7df1c720 323 goto end;
32d862ed 324 }
7df1c720 325 }
7df1c720
DSH
326
327 if(sigfile && sigkey) {
328 BIO *sigbio;
329 sigbio = BIO_new_file(sigfile, "rb");
330 siglen = EVP_PKEY_size(sigkey);
331 sigbuf = OPENSSL_malloc(siglen);
332 if(!sigbio) {
333 BIO_printf(bio_err, "Error opening signature file %s\n",
334 sigfile);
335 ERR_print_errors(bio_err);
336 goto end;
337 }
338 siglen = BIO_read(sigbio, sigbuf, siglen);
339 BIO_free(sigbio);
688fbf54 340 if(siglen <= 0) {
7df1c720
DSH
341 BIO_printf(bio_err, "Error reading signature file %s\n",
342 sigfile);
343 ERR_print_errors(bio_err);
344 goto end;
345 }
346 }
347
348
349
d02b48c6 350 /* we use md as a filter, reading from 'in' */
c128bb0f
DSH
351 if (!BIO_set_md(bmd,md))
352 {
353 BIO_printf(bio_err, "Error setting digest %s\n", pname);
354 ERR_print_errors(bio_err);
355 goto end;
356 }
357
d02b48c6
RE
358 inp=BIO_push(bmd,in);
359
360 if (argc == 0)
361 {
362 BIO_set_fp(in,stdin,BIO_NOCLOSE);
d15711ef
BL
363 err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf,
364 siglen,"","(stdin)");
d02b48c6
RE
365 }
366 else
367 {
368 name=OBJ_nid2sn(md->type);
369 for (i=0; i<argc; i++)
370 {
d15711ef
BL
371 char *tmp,*tofree=NULL;
372 int r;
373
d02b48c6
RE
374 if (BIO_read_filename(in,argv[i]) <= 0)
375 {
376 perror(argv[i]);
377 err++;
378 continue;
379 }
d15711ef
BL
380 if(!out_bin)
381 {
d420ac2c
RL
382 size_t len = strlen(name)+strlen(argv[i])+5;
383 tmp=tofree=OPENSSL_malloc(len);
384 BIO_snprintf(tmp,len,"%s(%s)= ",name,argv[i]);
d15711ef
BL
385 }
386 else
387 tmp="";
388 r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf,
389 siglen,tmp,argv[i]);
390 if(r)
391 err=r;
392 if(tofree)
393 OPENSSL_free(tofree);
d58d092b 394 (void)BIO_reset(bmd);
d02b48c6
RE
395 }
396 }
397end:
398 if (buf != NULL)
399 {
4579924b 400 OPENSSL_cleanse(buf,BUFSIZE);
26a3a48d 401 OPENSSL_free(buf);
d02b48c6
RE
402 }
403 if (in != NULL) BIO_free(in);
5b40d7dd
DSH
404 if (passin)
405 OPENSSL_free(passin);
645749ef 406 BIO_free_all(out);
7df1c720
DSH
407 EVP_PKEY_free(sigkey);
408 if(sigbuf) OPENSSL_free(sigbuf);
d02b48c6 409 if (bmd != NULL) BIO_free(bmd);
c04f8cf4 410 apps_shutdown();
1c3e4a36 411 OPENSSL_EXIT(err);
d02b48c6
RE
412 }
413
d15711ef
BL
414int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
415 EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title,
416 const char *file)
d02b48c6
RE
417 {
418 int len;
419 int i;
420
421 for (;;)
422 {
423 i=BIO_read(bp,(char *)buf,BUFSIZE);
d15711ef
BL
424 if(i < 0)
425 {
426 BIO_printf(bio_err, "Read Error in %s\n",file);
427 ERR_print_errors(bio_err);
428 return 1;
429 }
430 if (i == 0) break;
d02b48c6 431 }
7df1c720
DSH
432 if(sigin)
433 {
434 EVP_MD_CTX *ctx;
435 BIO_get_md_ctx(bp, &ctx);
688fbf54 436 i = EVP_VerifyFinal(ctx, sigin, (unsigned int)siglen, key);
d15711ef
BL
437 if(i > 0)
438 BIO_printf(out, "Verified OK\n");
439 else if(i == 0)
440 {
441 BIO_printf(out, "Verification Failure\n");
442 return 1;
443 }
7df1c720
DSH
444 else
445 {
446 BIO_printf(bio_err, "Error Verifying Data\n");
447 ERR_print_errors(bio_err);
d15711ef 448 return 1;
7df1c720 449 }
d15711ef 450 return 0;
7df1c720
DSH
451 }
452 if(key)
453 {
454 EVP_MD_CTX *ctx;
455 BIO_get_md_ctx(bp, &ctx);
456 if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key))
457 {
458 BIO_printf(bio_err, "Error Signing Data\n");
459 ERR_print_errors(bio_err);
d15711ef 460 return 1;
7df1c720
DSH
461 }
462 }
463 else
464 len=BIO_gets(bp,(char *)buf,BUFSIZE);
d02b48c6 465
7df1c720
DSH
466 if(binout) BIO_write(out, buf, len);
467 else
d02b48c6 468 {
d15711ef 469 BIO_write(out,title,strlen(title));
7df1c720
DSH
470 for (i=0; i<len; i++)
471 {
472 if (sep && (i != 0))
473 BIO_printf(out, ":");
474 BIO_printf(out, "%02x",buf[i]);
475 }
476 BIO_printf(out, "\n");
d02b48c6 477 }
d15711ef 478 return 0;
d02b48c6
RE
479 }
480