xref: /freebsd/crypto/openssl/apps/x509.c (revision 3642298923e528d795e3a30ec165d2b469e28b40)
1 /* apps/x509.c */
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 <assert.h>
60 #include <stdio.h>
61 #include <stdlib.h>
62 #include <string.h>
63 #ifdef OPENSSL_NO_STDIO
64 #define APPS_WIN16
65 #endif
66 #include "apps.h"
67 #include <openssl/bio.h>
68 #include <openssl/asn1.h>
69 #include <openssl/err.h>
70 #include <openssl/bn.h>
71 #include <openssl/evp.h>
72 #include <openssl/x509.h>
73 #include <openssl/x509v3.h>
74 #include <openssl/objects.h>
75 #include <openssl/pem.h>
76 
77 #undef PROG
78 #define PROG x509_main
79 
80 #undef POSTFIX
81 #define	POSTFIX	".srl"
82 #define DEF_DAYS	30
83 
84 static char *x509_usage[]={
85 "usage: x509 args\n",
86 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
87 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
88 " -keyform arg    - private key format - default PEM\n",
89 " -CAform arg     - CA format - default PEM\n",
90 " -CAkeyform arg  - CA key format - default PEM\n",
91 " -in arg         - input file - default stdin\n",
92 " -out arg        - output file - default stdout\n",
93 " -passin arg     - private key password source\n",
94 " -serial         - print serial number value\n",
95 " -hash           - print hash value\n",
96 " -subject        - print subject DN\n",
97 " -issuer         - print issuer DN\n",
98 " -email          - print email address(es)\n",
99 " -startdate      - notBefore field\n",
100 " -enddate        - notAfter field\n",
101 " -purpose        - print out certificate purposes\n",
102 " -dates          - both Before and After dates\n",
103 " -modulus        - print the RSA key modulus\n",
104 " -pubkey         - output the public key\n",
105 " -fingerprint    - print the certificate fingerprint\n",
106 " -alias          - output certificate alias\n",
107 " -noout          - no certificate output\n",
108 " -ocspid         - print OCSP hash values for the subject name and public key\n",
109 " -trustout       - output a \"trusted\" certificate\n",
110 " -clrtrust       - clear all trusted purposes\n",
111 " -clrreject      - clear all rejected purposes\n",
112 " -addtrust arg   - trust certificate for a given purpose\n",
113 " -addreject arg  - reject certificate for a given purpose\n",
114 " -setalias arg   - set certificate alias\n",
115 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
116 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
117 "                   exit 1 if so, 0 if not\n",
118 " -signkey arg    - self sign cert with arg\n",
119 " -x509toreq      - output a certification request object\n",
120 " -req            - input is a certificate request, sign and output.\n",
121 " -CA arg         - set the CA certificate, must be PEM format.\n",
122 " -CAkey arg      - set the CA key, must be PEM format\n",
123 "                   missing, it is assumed to be in the CA file.\n",
124 " -CAcreateserial - create serial number file if it does not exist\n",
125 " -CAserial arg   - serial file\n",
126 " -set_serial     - serial number to use\n",
127 " -text           - print the certificate in text form\n",
128 " -C              - print out C code forms\n",
129 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
130 " -extfile        - configuration file with X509V3 extensions to add\n",
131 " -extensions     - section from config file with X509V3 extensions to add\n",
132 " -clrext         - delete extensions before signing and input certificate\n",
133 " -nameopt arg    - various certificate name options\n",
134 #ifndef OPENSSL_NO_ENGINE
135 " -engine e       - use engine e, possibly a hardware device.\n",
136 #endif
137 " -certopt arg    - various certificate text options\n",
138 NULL
139 };
140 
141 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
142 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
143 						CONF *conf, char *section);
144 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
145 			 X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
146 			 int create,int days, int clrext, CONF *conf, char *section,
147 						ASN1_INTEGER *sno);
148 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
149 static int reqfile=0;
150 
151 int MAIN(int, char **);
152 
153 int MAIN(int argc, char **argv)
154 	{
155 	ENGINE *e = NULL;
156 	int ret=1;
157 	X509_REQ *req=NULL;
158 	X509 *x=NULL,*xca=NULL;
159 	ASN1_OBJECT *objtmp;
160 	EVP_PKEY *Upkey=NULL,*CApkey=NULL;
161 	ASN1_INTEGER *sno = NULL;
162 	int i,num,badops=0;
163 	BIO *out=NULL;
164 	BIO *STDout=NULL;
165 	STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
166 	int informat,outformat,keyformat,CAformat,CAkeyformat;
167 	char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
168 	char *CAkeyfile=NULL,*CAserial=NULL;
169 	char *alias=NULL;
170 	int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
171 	int next_serial=0,ocspid=0;
172 	int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
173 	int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
174 	int C=0;
175 	int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
176 	int pprint = 0;
177 	char **pp;
178 	X509_STORE *ctx=NULL;
179 	X509_REQ *rq=NULL;
180 	int fingerprint=0;
181 	char buf[256];
182 	const EVP_MD *md_alg,*digest=EVP_md5();
183 	CONF *extconf = NULL;
184 	char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
185 	int need_rand = 0;
186 	int checkend=0,checkoffset=0;
187 	unsigned long nmflag = 0, certflag = 0;
188 #ifndef OPENSSL_NO_ENGINE
189 	char *engine=NULL;
190 #endif
191 
192 	reqfile=0;
193 
194 	apps_startup();
195 
196 	if (bio_err == NULL)
197 		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
198 
199 	if (!load_config(bio_err, NULL))
200 		goto end;
201 	STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
202 #ifdef OPENSSL_SYS_VMS
203 	{
204 	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
205 	STDout = BIO_push(tmpbio, STDout);
206 	}
207 #endif
208 
209 	informat=FORMAT_PEM;
210 	outformat=FORMAT_PEM;
211 	keyformat=FORMAT_PEM;
212 	CAformat=FORMAT_PEM;
213 	CAkeyformat=FORMAT_PEM;
214 
215 	ctx=X509_STORE_new();
216 	if (ctx == NULL) goto end;
217 	X509_STORE_set_verify_cb_func(ctx,callb);
218 
219 	argc--;
220 	argv++;
221 	num=0;
222 	while (argc >= 1)
223 		{
224 		if 	(strcmp(*argv,"-inform") == 0)
225 			{
226 			if (--argc < 1) goto bad;
227 			informat=str2fmt(*(++argv));
228 			}
229 		else if (strcmp(*argv,"-outform") == 0)
230 			{
231 			if (--argc < 1) goto bad;
232 			outformat=str2fmt(*(++argv));
233 			}
234 		else if (strcmp(*argv,"-keyform") == 0)
235 			{
236 			if (--argc < 1) goto bad;
237 			keyformat=str2fmt(*(++argv));
238 			}
239 		else if (strcmp(*argv,"-req") == 0)
240 			{
241 			reqfile=1;
242 			need_rand = 1;
243 			}
244 		else if (strcmp(*argv,"-CAform") == 0)
245 			{
246 			if (--argc < 1) goto bad;
247 			CAformat=str2fmt(*(++argv));
248 			}
249 		else if (strcmp(*argv,"-CAkeyform") == 0)
250 			{
251 			if (--argc < 1) goto bad;
252 			CAkeyformat=str2fmt(*(++argv));
253 			}
254 		else if (strcmp(*argv,"-days") == 0)
255 			{
256 			if (--argc < 1) goto bad;
257 			days=atoi(*(++argv));
258 			if (days == 0)
259 				{
260 				BIO_printf(STDout,"bad number of days\n");
261 				goto bad;
262 				}
263 			}
264 		else if (strcmp(*argv,"-passin") == 0)
265 			{
266 			if (--argc < 1) goto bad;
267 			passargin= *(++argv);
268 			}
269 		else if (strcmp(*argv,"-extfile") == 0)
270 			{
271 			if (--argc < 1) goto bad;
272 			extfile= *(++argv);
273 			}
274 		else if (strcmp(*argv,"-extensions") == 0)
275 			{
276 			if (--argc < 1) goto bad;
277 			extsect= *(++argv);
278 			}
279 		else if (strcmp(*argv,"-in") == 0)
280 			{
281 			if (--argc < 1) goto bad;
282 			infile= *(++argv);
283 			}
284 		else if (strcmp(*argv,"-out") == 0)
285 			{
286 			if (--argc < 1) goto bad;
287 			outfile= *(++argv);
288 			}
289 		else if (strcmp(*argv,"-signkey") == 0)
290 			{
291 			if (--argc < 1) goto bad;
292 			keyfile= *(++argv);
293 			sign_flag= ++num;
294 			need_rand = 1;
295 			}
296 		else if (strcmp(*argv,"-CA") == 0)
297 			{
298 			if (--argc < 1) goto bad;
299 			CAfile= *(++argv);
300 			CA_flag= ++num;
301 			need_rand = 1;
302 			}
303 		else if (strcmp(*argv,"-CAkey") == 0)
304 			{
305 			if (--argc < 1) goto bad;
306 			CAkeyfile= *(++argv);
307 			}
308 		else if (strcmp(*argv,"-CAserial") == 0)
309 			{
310 			if (--argc < 1) goto bad;
311 			CAserial= *(++argv);
312 			}
313 		else if (strcmp(*argv,"-set_serial") == 0)
314 			{
315 			if (--argc < 1) goto bad;
316 			if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
317 				goto bad;
318 			}
319 		else if (strcmp(*argv,"-addtrust") == 0)
320 			{
321 			if (--argc < 1) goto bad;
322 			if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
323 				{
324 				BIO_printf(bio_err,
325 					"Invalid trust object value %s\n", *argv);
326 				goto bad;
327 				}
328 			if (!trust) trust = sk_ASN1_OBJECT_new_null();
329 			sk_ASN1_OBJECT_push(trust, objtmp);
330 			trustout = 1;
331 			}
332 		else if (strcmp(*argv,"-addreject") == 0)
333 			{
334 			if (--argc < 1) goto bad;
335 			if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
336 				{
337 				BIO_printf(bio_err,
338 					"Invalid reject object value %s\n", *argv);
339 				goto bad;
340 				}
341 			if (!reject) reject = sk_ASN1_OBJECT_new_null();
342 			sk_ASN1_OBJECT_push(reject, objtmp);
343 			trustout = 1;
344 			}
345 		else if (strcmp(*argv,"-setalias") == 0)
346 			{
347 			if (--argc < 1) goto bad;
348 			alias= *(++argv);
349 			trustout = 1;
350 			}
351 		else if (strcmp(*argv,"-certopt") == 0)
352 			{
353 			if (--argc < 1) goto bad;
354 			if (!set_cert_ex(&certflag, *(++argv))) goto bad;
355 			}
356 		else if (strcmp(*argv,"-nameopt") == 0)
357 			{
358 			if (--argc < 1) goto bad;
359 			if (!set_name_ex(&nmflag, *(++argv))) goto bad;
360 			}
361 #ifndef OPENSSL_NO_ENGINE
362 		else if (strcmp(*argv,"-engine") == 0)
363 			{
364 			if (--argc < 1) goto bad;
365 			engine= *(++argv);
366 			}
367 #endif
368 		else if (strcmp(*argv,"-C") == 0)
369 			C= ++num;
370 		else if (strcmp(*argv,"-email") == 0)
371 			email= ++num;
372 		else if (strcmp(*argv,"-serial") == 0)
373 			serial= ++num;
374 		else if (strcmp(*argv,"-next_serial") == 0)
375 			next_serial= ++num;
376 		else if (strcmp(*argv,"-modulus") == 0)
377 			modulus= ++num;
378 		else if (strcmp(*argv,"-pubkey") == 0)
379 			pubkey= ++num;
380 		else if (strcmp(*argv,"-x509toreq") == 0)
381 			x509req= ++num;
382 		else if (strcmp(*argv,"-text") == 0)
383 			text= ++num;
384 		else if (strcmp(*argv,"-hash") == 0)
385 			hash= ++num;
386 		else if (strcmp(*argv,"-subject") == 0)
387 			subject= ++num;
388 		else if (strcmp(*argv,"-issuer") == 0)
389 			issuer= ++num;
390 		else if (strcmp(*argv,"-fingerprint") == 0)
391 			fingerprint= ++num;
392 		else if (strcmp(*argv,"-dates") == 0)
393 			{
394 			startdate= ++num;
395 			enddate= ++num;
396 			}
397 		else if (strcmp(*argv,"-purpose") == 0)
398 			pprint= ++num;
399 		else if (strcmp(*argv,"-startdate") == 0)
400 			startdate= ++num;
401 		else if (strcmp(*argv,"-enddate") == 0)
402 			enddate= ++num;
403 		else if (strcmp(*argv,"-checkend") == 0)
404 			{
405 			if (--argc < 1) goto bad;
406 			checkoffset=atoi(*(++argv));
407 			checkend=1;
408 			}
409 		else if (strcmp(*argv,"-noout") == 0)
410 			noout= ++num;
411 		else if (strcmp(*argv,"-trustout") == 0)
412 			trustout= 1;
413 		else if (strcmp(*argv,"-clrtrust") == 0)
414 			clrtrust= ++num;
415 		else if (strcmp(*argv,"-clrreject") == 0)
416 			clrreject= ++num;
417 		else if (strcmp(*argv,"-alias") == 0)
418 			aliasout= ++num;
419 		else if (strcmp(*argv,"-CAcreateserial") == 0)
420 			CA_createserial= ++num;
421 		else if (strcmp(*argv,"-clrext") == 0)
422 			clrext = 1;
423 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
424 		else if (strcmp(*argv,"-crlext") == 0)
425 			{
426 			BIO_printf(bio_err,"use -clrext instead of -crlext\n");
427 			clrext = 1;
428 			}
429 #endif
430 		else if (strcmp(*argv,"-ocspid") == 0)
431 			ocspid= ++num;
432 		else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
433 			{
434 			/* ok */
435 			digest=md_alg;
436 			}
437 		else
438 			{
439 			BIO_printf(bio_err,"unknown option %s\n",*argv);
440 			badops=1;
441 			break;
442 			}
443 		argc--;
444 		argv++;
445 		}
446 
447 	if (badops)
448 		{
449 bad:
450 		for (pp=x509_usage; (*pp != NULL); pp++)
451 			BIO_printf(bio_err,"%s",*pp);
452 		goto end;
453 		}
454 
455 #ifndef OPENSSL_NO_ENGINE
456         e = setup_engine(bio_err, engine, 0);
457 #endif
458 
459 	if (need_rand)
460 		app_RAND_load_file(NULL, bio_err, 0);
461 
462 	ERR_load_crypto_strings();
463 
464 	if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
465 		{
466 		BIO_printf(bio_err, "Error getting password\n");
467 		goto end;
468 		}
469 
470 	if (!X509_STORE_set_default_paths(ctx))
471 		{
472 		ERR_print_errors(bio_err);
473 		goto end;
474 		}
475 
476 	if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
477 		{ CAkeyfile=CAfile; }
478 	else if ((CA_flag) && (CAkeyfile == NULL))
479 		{
480 		BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
481 		goto end;
482 		}
483 
484 	if (extfile)
485 		{
486 		long errorline = -1;
487 		X509V3_CTX ctx2;
488 		extconf = NCONF_new(NULL);
489 		if (!NCONF_load(extconf, extfile,&errorline))
490 			{
491 			if (errorline <= 0)
492 				BIO_printf(bio_err,
493 					"error loading the config file '%s'\n",
494 								extfile);
495                 	else
496                         	BIO_printf(bio_err,
497 				       "error on line %ld of config file '%s'\n"
498 							,errorline,extfile);
499 			goto end;
500 			}
501 		if (!extsect)
502 			{
503 			extsect = NCONF_get_string(extconf, "default", "extensions");
504 			if (!extsect)
505 				{
506 				ERR_clear_error();
507 				extsect = "default";
508 				}
509 			}
510 		X509V3_set_ctx_test(&ctx2);
511 		X509V3_set_nconf(&ctx2, extconf);
512 		if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
513 			{
514 			BIO_printf(bio_err,
515 				"Error Loading extension section %s\n",
516 								 extsect);
517 			ERR_print_errors(bio_err);
518 			goto end;
519 			}
520 		}
521 
522 
523 	if (reqfile)
524 		{
525 		EVP_PKEY *pkey;
526 		X509_CINF *ci;
527 		BIO *in;
528 
529 		if (!sign_flag && !CA_flag)
530 			{
531 			BIO_printf(bio_err,"We need a private key to sign with\n");
532 			goto end;
533 			}
534 		in=BIO_new(BIO_s_file());
535 		if (in == NULL)
536 			{
537 			ERR_print_errors(bio_err);
538 			goto end;
539 			}
540 
541 		if (infile == NULL)
542 			BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
543 		else
544 			{
545 			if (BIO_read_filename(in,infile) <= 0)
546 				{
547 				perror(infile);
548 				BIO_free(in);
549 				goto end;
550 				}
551 			}
552 		req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
553 		BIO_free(in);
554 
555 		if (req == NULL)
556 			{
557 			ERR_print_errors(bio_err);
558 			goto end;
559 			}
560 
561 		if (	(req->req_info == NULL) ||
562 			(req->req_info->pubkey == NULL) ||
563 			(req->req_info->pubkey->public_key == NULL) ||
564 			(req->req_info->pubkey->public_key->data == NULL))
565 			{
566 			BIO_printf(bio_err,"The certificate request appears to corrupted\n");
567 			BIO_printf(bio_err,"It does not contain a public key\n");
568 			goto end;
569 			}
570 		if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
571 	                {
572 	                BIO_printf(bio_err,"error unpacking public key\n");
573 	                goto end;
574 	                }
575 		i=X509_REQ_verify(req,pkey);
576 		EVP_PKEY_free(pkey);
577 		if (i < 0)
578 			{
579 			BIO_printf(bio_err,"Signature verification error\n");
580 			ERR_print_errors(bio_err);
581 			goto end;
582 			}
583 	        if (i == 0)
584 			{
585 			BIO_printf(bio_err,"Signature did not match the certificate request\n");
586 			goto end;
587 			}
588 		else
589 			BIO_printf(bio_err,"Signature ok\n");
590 
591 		print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
592 
593 		if ((x=X509_new()) == NULL) goto end;
594 		ci=x->cert_info;
595 
596 		if (sno == NULL)
597 			{
598 			sno = ASN1_INTEGER_new();
599 			if (!sno || !rand_serial(NULL, sno))
600 				goto end;
601 			}
602 
603 		if (!X509_set_serialNumber(x, sno))
604 			goto end;
605 
606 		if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
607 		if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
608 
609 		X509_gmtime_adj(X509_get_notBefore(x),0);
610 	        X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
611 
612 		pkey = X509_REQ_get_pubkey(req);
613 		X509_set_pubkey(x,pkey);
614 		EVP_PKEY_free(pkey);
615 		}
616 	else
617 		x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
618 
619 	if (x == NULL) goto end;
620 	if (CA_flag)
621 		{
622 		xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
623 		if (xca == NULL) goto end;
624 		}
625 
626 	if (!noout || text || next_serial)
627 		{
628 		OBJ_create("2.99999.3",
629 			"SET.ex3","SET x509v3 extension 3");
630 
631 		out=BIO_new(BIO_s_file());
632 		if (out == NULL)
633 			{
634 			ERR_print_errors(bio_err);
635 			goto end;
636 			}
637 		if (outfile == NULL)
638 			{
639 			BIO_set_fp(out,stdout,BIO_NOCLOSE);
640 #ifdef OPENSSL_SYS_VMS
641 			{
642 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
643 			out = BIO_push(tmpbio, out);
644 			}
645 #endif
646 			}
647 		else
648 			{
649 			if (BIO_write_filename(out,outfile) <= 0)
650 				{
651 				perror(outfile);
652 				goto end;
653 				}
654 			}
655 		}
656 
657 	if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
658 
659 	if (clrtrust) X509_trust_clear(x);
660 	if (clrreject) X509_reject_clear(x);
661 
662 	if (trust)
663 		{
664 		for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
665 			{
666 			objtmp = sk_ASN1_OBJECT_value(trust, i);
667 			X509_add1_trust_object(x, objtmp);
668 			}
669 		}
670 
671 	if (reject)
672 		{
673 		for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
674 			{
675 			objtmp = sk_ASN1_OBJECT_value(reject, i);
676 			X509_add1_reject_object(x, objtmp);
677 			}
678 		}
679 
680 	if (num)
681 		{
682 		for (i=1; i<=num; i++)
683 			{
684 			if (issuer == i)
685 				{
686 				print_name(STDout, "issuer= ",
687 					X509_get_issuer_name(x), nmflag);
688 				}
689 			else if (subject == i)
690 				{
691 				print_name(STDout, "subject= ",
692 					X509_get_subject_name(x), nmflag);
693 				}
694 			else if (serial == i)
695 				{
696 				BIO_printf(STDout,"serial=");
697 				i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
698 				BIO_printf(STDout,"\n");
699 				}
700 			else if (next_serial == i)
701 				{
702 				BIGNUM *bnser;
703 				ASN1_INTEGER *ser;
704 				ser = X509_get_serialNumber(x);
705 				bnser = ASN1_INTEGER_to_BN(ser, NULL);
706 				if (!bnser)
707 					goto end;
708 				if (!BN_add_word(bnser, 1))
709 					goto end;
710 				ser = BN_to_ASN1_INTEGER(bnser, NULL);
711 				if (!ser)
712 					goto end;
713 				BN_free(bnser);
714 				i2a_ASN1_INTEGER(out, ser);
715 				ASN1_INTEGER_free(ser);
716 				BIO_puts(out, "\n");
717 				}
718 			else if (email == i)
719 				{
720 				int j;
721 				STACK *emlst;
722 				emlst = X509_get1_email(x);
723 				for (j = 0; j < sk_num(emlst); j++)
724 					BIO_printf(STDout, "%s\n", sk_value(emlst, j));
725 				X509_email_free(emlst);
726 				}
727 			else if (aliasout == i)
728 				{
729 				unsigned char *alstr;
730 				alstr = X509_alias_get0(x, NULL);
731 				if (alstr) BIO_printf(STDout,"%s\n", alstr);
732 				else BIO_puts(STDout,"<No Alias>\n");
733 				}
734 			else if (hash == i)
735 				{
736 				BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
737 				}
738 			else if (pprint == i)
739 				{
740 				X509_PURPOSE *ptmp;
741 				int j;
742 				BIO_printf(STDout, "Certificate purposes:\n");
743 				for (j = 0; j < X509_PURPOSE_get_count(); j++)
744 					{
745 					ptmp = X509_PURPOSE_get0(j);
746 					purpose_print(STDout, x, ptmp);
747 					}
748 				}
749 			else
750 				if (modulus == i)
751 				{
752 				EVP_PKEY *pkey;
753 
754 				pkey=X509_get_pubkey(x);
755 				if (pkey == NULL)
756 					{
757 					BIO_printf(bio_err,"Modulus=unavailable\n");
758 					ERR_print_errors(bio_err);
759 					goto end;
760 					}
761 				BIO_printf(STDout,"Modulus=");
762 #ifndef OPENSSL_NO_RSA
763 				if (pkey->type == EVP_PKEY_RSA)
764 					BN_print(STDout,pkey->pkey.rsa->n);
765 				else
766 #endif
767 #ifndef OPENSSL_NO_DSA
768 				if (pkey->type == EVP_PKEY_DSA)
769 					BN_print(STDout,pkey->pkey.dsa->pub_key);
770 				else
771 #endif
772 					BIO_printf(STDout,"Wrong Algorithm type");
773 				BIO_printf(STDout,"\n");
774 				EVP_PKEY_free(pkey);
775 				}
776 			else
777 				if (pubkey == i)
778 				{
779 				EVP_PKEY *pkey;
780 
781 				pkey=X509_get_pubkey(x);
782 				if (pkey == NULL)
783 					{
784 					BIO_printf(bio_err,"Error getting public key\n");
785 					ERR_print_errors(bio_err);
786 					goto end;
787 					}
788 				PEM_write_bio_PUBKEY(STDout, pkey);
789 				EVP_PKEY_free(pkey);
790 				}
791 			else
792 				if (C == i)
793 				{
794 				unsigned char *d;
795 				char *m;
796 				int y,z;
797 
798 				X509_NAME_oneline(X509_get_subject_name(x),
799 					buf,sizeof buf);
800 				BIO_printf(STDout,"/* subject:%s */\n",buf);
801 				m=X509_NAME_oneline(
802 					X509_get_issuer_name(x),buf,
803 					sizeof buf);
804 				BIO_printf(STDout,"/* issuer :%s */\n",buf);
805 
806 				z=i2d_X509(x,NULL);
807 				m=OPENSSL_malloc(z);
808 
809 				d=(unsigned char *)m;
810 				z=i2d_X509_NAME(X509_get_subject_name(x),&d);
811 				BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
812 				d=(unsigned char *)m;
813 				for (y=0; y<z; y++)
814 					{
815 					BIO_printf(STDout,"0x%02X,",d[y]);
816 					if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
817 					}
818 				if (y%16 != 0) BIO_printf(STDout,"\n");
819 				BIO_printf(STDout,"};\n");
820 
821 				z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
822 				BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
823 				d=(unsigned char *)m;
824 				for (y=0; y<z; y++)
825 					{
826 					BIO_printf(STDout,"0x%02X,",d[y]);
827 					if ((y & 0x0f) == 0x0f)
828 						BIO_printf(STDout,"\n");
829 					}
830 				if (y%16 != 0) BIO_printf(STDout,"\n");
831 				BIO_printf(STDout,"};\n");
832 
833 				z=i2d_X509(x,&d);
834 				BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
835 				d=(unsigned char *)m;
836 				for (y=0; y<z; y++)
837 					{
838 					BIO_printf(STDout,"0x%02X,",d[y]);
839 					if ((y & 0x0f) == 0x0f)
840 						BIO_printf(STDout,"\n");
841 					}
842 				if (y%16 != 0) BIO_printf(STDout,"\n");
843 				BIO_printf(STDout,"};\n");
844 
845 				OPENSSL_free(m);
846 				}
847 			else if (text == i)
848 				{
849 				X509_print_ex(out,x,nmflag, certflag);
850 				}
851 			else if (startdate == i)
852 				{
853 				BIO_puts(STDout,"notBefore=");
854 				ASN1_TIME_print(STDout,X509_get_notBefore(x));
855 				BIO_puts(STDout,"\n");
856 				}
857 			else if (enddate == i)
858 				{
859 				BIO_puts(STDout,"notAfter=");
860 				ASN1_TIME_print(STDout,X509_get_notAfter(x));
861 				BIO_puts(STDout,"\n");
862 				}
863 			else if (fingerprint == i)
864 				{
865 				int j;
866 				unsigned int n;
867 				unsigned char md[EVP_MAX_MD_SIZE];
868 
869 				if (!X509_digest(x,digest,md,&n))
870 					{
871 					BIO_printf(bio_err,"out of memory\n");
872 					goto end;
873 					}
874 				BIO_printf(STDout,"%s Fingerprint=",
875 						OBJ_nid2sn(EVP_MD_type(digest)));
876 				for (j=0; j<(int)n; j++)
877 					{
878 					BIO_printf(STDout,"%02X%c",md[j],
879 						(j+1 == (int)n)
880 						?'\n':':');
881 					}
882 				}
883 
884 			/* should be in the library */
885 			else if ((sign_flag == i) && (x509req == 0))
886 				{
887 				BIO_printf(bio_err,"Getting Private key\n");
888 				if (Upkey == NULL)
889 					{
890 					Upkey=load_key(bio_err,
891 						keyfile, keyformat, 0,
892 						passin, e, "Private key");
893 					if (Upkey == NULL) goto end;
894 					}
895 #ifndef OPENSSL_NO_DSA
896 		                if (Upkey->type == EVP_PKEY_DSA)
897 		                        digest=EVP_dss1();
898 #endif
899 
900 				assert(need_rand);
901 				if (!sign(x,Upkey,days,clrext,digest,
902 						 extconf, extsect)) goto end;
903 				}
904 			else if (CA_flag == i)
905 				{
906 				BIO_printf(bio_err,"Getting CA Private Key\n");
907 				if (CAkeyfile != NULL)
908 					{
909 					CApkey=load_key(bio_err,
910 						CAkeyfile, CAkeyformat,
911 						0, passin, e,
912 						"CA Private Key");
913 					if (CApkey == NULL) goto end;
914 					}
915 #ifndef OPENSSL_NO_DSA
916 		                if (CApkey->type == EVP_PKEY_DSA)
917 		                        digest=EVP_dss1();
918 #endif
919 
920 				assert(need_rand);
921 				if (!x509_certify(ctx,CAfile,digest,x,xca,
922 					CApkey, CAserial,CA_createserial,days, clrext,
923 					extconf, extsect, sno))
924 					goto end;
925 				}
926 			else if (x509req == i)
927 				{
928 				EVP_PKEY *pk;
929 
930 				BIO_printf(bio_err,"Getting request Private Key\n");
931 				if (keyfile == NULL)
932 					{
933 					BIO_printf(bio_err,"no request key file specified\n");
934 					goto end;
935 					}
936 				else
937 					{
938 					pk=load_key(bio_err,
939 						keyfile, FORMAT_PEM, 0,
940 						passin, e, "request key");
941 					if (pk == NULL) goto end;
942 					}
943 
944 				BIO_printf(bio_err,"Generating certificate request\n");
945 
946 #ifndef OPENSSL_NO_DSA
947 		                if (pk->type == EVP_PKEY_DSA)
948 		                        digest=EVP_dss1();
949 #endif
950 
951 				rq=X509_to_X509_REQ(x,pk,digest);
952 				EVP_PKEY_free(pk);
953 				if (rq == NULL)
954 					{
955 					ERR_print_errors(bio_err);
956 					goto end;
957 					}
958 				if (!noout)
959 					{
960 					X509_REQ_print(out,rq);
961 					PEM_write_bio_X509_REQ(out,rq);
962 					}
963 				noout=1;
964 				}
965 			else if (ocspid == i)
966 				{
967 				X509_ocspid_print(out, x);
968 				}
969 			}
970 		}
971 
972 	if (checkend)
973 		{
974 		time_t tnow=time(NULL);
975 
976 		if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x), tnow+checkoffset) == -1)
977 			{
978 			BIO_printf(out,"Certificate will expire\n");
979 			ret=1;
980 			}
981 		else
982 			{
983 			BIO_printf(out,"Certificate will not expire\n");
984 			ret=0;
985 			}
986 		goto end;
987 		}
988 
989 	if (noout)
990 		{
991 		ret=0;
992 		goto end;
993 		}
994 
995 	if 	(outformat == FORMAT_ASN1)
996 		i=i2d_X509_bio(out,x);
997 	else if (outformat == FORMAT_PEM)
998 		{
999 		if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1000 		else i=PEM_write_bio_X509(out,x);
1001 		}
1002 	else if (outformat == FORMAT_NETSCAPE)
1003 		{
1004 		ASN1_HEADER ah;
1005 		ASN1_OCTET_STRING os;
1006 
1007 		os.data=(unsigned char *)NETSCAPE_CERT_HDR;
1008 		os.length=strlen(NETSCAPE_CERT_HDR);
1009 		ah.header= &os;
1010 		ah.data=(char *)x;
1011 		ah.meth=X509_asn1_meth();
1012 
1013 		/* no macro for this one yet */
1014 		i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
1015 		}
1016 	else	{
1017 		BIO_printf(bio_err,"bad output format specified for outfile\n");
1018 		goto end;
1019 		}
1020 	if (!i)
1021 		{
1022 		BIO_printf(bio_err,"unable to write certificate\n");
1023 		ERR_print_errors(bio_err);
1024 		goto end;
1025 		}
1026 	ret=0;
1027 end:
1028 	if (need_rand)
1029 		app_RAND_write_file(NULL, bio_err);
1030 	OBJ_cleanup();
1031 	NCONF_free(extconf);
1032 	BIO_free_all(out);
1033 	BIO_free_all(STDout);
1034 	X509_STORE_free(ctx);
1035 	X509_REQ_free(req);
1036 	X509_free(x);
1037 	X509_free(xca);
1038 	EVP_PKEY_free(Upkey);
1039 	EVP_PKEY_free(CApkey);
1040 	X509_REQ_free(rq);
1041 	ASN1_INTEGER_free(sno);
1042 	sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1043 	sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1044 	if (passin) OPENSSL_free(passin);
1045 	apps_shutdown();
1046 	OPENSSL_EXIT(ret);
1047 	}
1048 
1049 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1050 	{
1051 	char *buf = NULL, *p;
1052 	ASN1_INTEGER *bs = NULL;
1053 	BIGNUM *serial = NULL;
1054 	size_t len;
1055 
1056 	len = ((serialfile == NULL)
1057 		?(strlen(CAfile)+strlen(POSTFIX)+1)
1058 		:(strlen(serialfile)))+1;
1059 	buf=OPENSSL_malloc(len);
1060 	if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1061 	if (serialfile == NULL)
1062 		{
1063 		BUF_strlcpy(buf,CAfile,len);
1064 		for (p=buf; *p; p++)
1065 			if (*p == '.')
1066 				{
1067 				*p='\0';
1068 				break;
1069 				}
1070 		BUF_strlcat(buf,POSTFIX,len);
1071 		}
1072 	else
1073 		BUF_strlcpy(buf,serialfile,len);
1074 
1075 	serial = load_serial(buf, create, NULL);
1076 	if (serial == NULL) goto end;
1077 
1078 	if (!BN_add_word(serial,1))
1079 		{ BIO_printf(bio_err,"add_word failure\n"); goto end; }
1080 
1081 	if (!save_serial(buf, NULL, serial, &bs)) goto end;
1082 
1083  end:
1084 	if (buf) OPENSSL_free(buf);
1085 	BN_free(serial);
1086 	return bs;
1087 	}
1088 
1089 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1090 	     X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1091 	     int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1092 	{
1093 	int ret=0;
1094 	ASN1_INTEGER *bs=NULL;
1095 	X509_STORE_CTX xsc;
1096 	EVP_PKEY *upkey;
1097 
1098 	upkey = X509_get_pubkey(xca);
1099 	EVP_PKEY_copy_parameters(upkey,pkey);
1100 	EVP_PKEY_free(upkey);
1101 
1102 	if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1103 		{
1104 		BIO_printf(bio_err,"Error initialising X509 store\n");
1105 		goto end;
1106 		}
1107 	if (sno) bs = sno;
1108 	else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1109 		goto end;
1110 
1111 /*	if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1112 
1113 	/* NOTE: this certificate can/should be self signed, unless it was
1114 	 * a certificate request in which case it is not. */
1115 	X509_STORE_CTX_set_cert(&xsc,x);
1116 	if (!reqfile && !X509_verify_cert(&xsc))
1117 		goto end;
1118 
1119 	if (!X509_check_private_key(xca,pkey))
1120 		{
1121 		BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1122 		goto end;
1123 		}
1124 
1125 	if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1126 	if (!X509_set_serialNumber(x,bs)) goto end;
1127 
1128 	if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1129 		goto end;
1130 
1131 	/* hardwired expired */
1132 	if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1133 		goto end;
1134 
1135 	if (clrext)
1136 		{
1137 		while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1138 		}
1139 
1140 	if (conf)
1141 		{
1142 		X509V3_CTX ctx2;
1143 		X509_set_version(x,2); /* version 3 certificate */
1144                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1145                 X509V3_set_nconf(&ctx2, conf);
1146                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1147 		}
1148 
1149 	if (!X509_sign(x,pkey,digest)) goto end;
1150 	ret=1;
1151 end:
1152 	X509_STORE_CTX_cleanup(&xsc);
1153 	if (!ret)
1154 		ERR_print_errors(bio_err);
1155 	if (!sno) ASN1_INTEGER_free(bs);
1156 	return ret;
1157 	}
1158 
1159 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1160 	{
1161 	int err;
1162 	X509 *err_cert;
1163 
1164 	/* it is ok to use a self signed certificate
1165 	 * This case will catch both the initial ok == 0 and the
1166 	 * final ok == 1 calls to this function */
1167 	err=X509_STORE_CTX_get_error(ctx);
1168 	if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1169 		return 1;
1170 
1171 	/* BAD we should have gotten an error.  Normally if everything
1172 	 * worked X509_STORE_CTX_get_error(ctx) will still be set to
1173 	 * DEPTH_ZERO_SELF_.... */
1174 	if (ok)
1175 		{
1176 		BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1177 		return 0;
1178 		}
1179 	else
1180 		{
1181 		err_cert=X509_STORE_CTX_get_current_cert(ctx);
1182 		print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1183 		BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1184 			err,X509_STORE_CTX_get_error_depth(ctx),
1185 			X509_verify_cert_error_string(err));
1186 		return 1;
1187 		}
1188 	}
1189 
1190 /* self sign */
1191 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1192 						CONF *conf, char *section)
1193 	{
1194 
1195 	EVP_PKEY *pktmp;
1196 
1197 	pktmp = X509_get_pubkey(x);
1198 	EVP_PKEY_copy_parameters(pktmp,pkey);
1199 	EVP_PKEY_save_parameters(pktmp,1);
1200 	EVP_PKEY_free(pktmp);
1201 
1202 	if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1203 	if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1204 
1205 	/* Lets just make it 12:00am GMT, Jan 1 1970 */
1206 	/* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1207 	/* 28 days to be certified */
1208 
1209 	if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1210 		goto err;
1211 
1212 	if (!X509_set_pubkey(x,pkey)) goto err;
1213 	if (clrext)
1214 		{
1215 		while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1216 		}
1217 	if (conf)
1218 		{
1219 		X509V3_CTX ctx;
1220 		X509_set_version(x,2); /* version 3 certificate */
1221                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1222                 X509V3_set_nconf(&ctx, conf);
1223                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1224 		}
1225 	if (!X509_sign(x,pkey,digest)) goto err;
1226 	return 1;
1227 err:
1228 	ERR_print_errors(bio_err);
1229 	return 0;
1230 	}
1231 
1232 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1233 {
1234 	int id, i, idret;
1235 	char *pname;
1236 	id = X509_PURPOSE_get_id(pt);
1237 	pname = X509_PURPOSE_get0_name(pt);
1238 	for (i = 0; i < 2; i++)
1239 		{
1240 		idret = X509_check_purpose(cert, id, i);
1241 		BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1242 		if (idret == 1) BIO_printf(bio, "Yes\n");
1243 		else if (idret == 0) BIO_printf(bio, "No\n");
1244 		else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1245 		}
1246 	return 1;
1247 }
1248