• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 #ifndef OPENSSL_NO_RSA
77 #include <openssl/rsa.h>
78 #endif
79 #ifndef OPENSSL_NO_DSA
80 #include <openssl/dsa.h>
81 #endif
82 
83 #undef PROG
84 #define PROG x509_main
85 
86 #undef POSTFIX
87 #define	POSTFIX	".srl"
88 #define DEF_DAYS	30
89 
90 static const char *x509_usage[]={
91 "usage: x509 args\n",
92 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
93 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
94 " -keyform arg    - private key format - default PEM\n",
95 " -CAform arg     - CA format - default PEM\n",
96 " -CAkeyform arg  - CA key format - default PEM\n",
97 " -in arg         - input file - default stdin\n",
98 " -out arg        - output file - default stdout\n",
99 " -passin arg     - private key password source\n",
100 " -serial         - print serial number value\n",
101 " -subject_hash   - print subject hash value\n",
102 #ifndef OPENSSL_NO_MD5
103 " -subject_hash_old   - print old-style (MD5) subject hash value\n",
104 #endif
105 " -issuer_hash    - print issuer hash value\n",
106 #ifndef OPENSSL_NO_MD5
107 " -issuer_hash_old    - print old-style (MD5) issuer hash value\n",
108 #endif
109 " -hash           - synonym for -subject_hash\n",
110 " -subject        - print subject DN\n",
111 " -issuer         - print issuer DN\n",
112 " -email          - print email address(es)\n",
113 " -startdate      - notBefore field\n",
114 " -enddate        - notAfter field\n",
115 " -purpose        - print out certificate purposes\n",
116 " -dates          - both Before and After dates\n",
117 " -modulus        - print the RSA key modulus\n",
118 " -pubkey         - output the public key\n",
119 " -fingerprint    - print the certificate fingerprint\n",
120 " -alias          - output certificate alias\n",
121 " -noout          - no certificate output\n",
122 " -ocspid         - print OCSP hash values for the subject name and public key\n",
123 " -ocsp_uri       - print OCSP Responder URL(s)\n",
124 " -trustout       - output a \"trusted\" certificate\n",
125 " -clrtrust       - clear all trusted purposes\n",
126 " -clrreject      - clear all rejected purposes\n",
127 " -addtrust arg   - trust certificate for a given purpose\n",
128 " -addreject arg  - reject certificate for a given purpose\n",
129 " -setalias arg   - set certificate alias\n",
130 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
131 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
132 "                   exit 1 if so, 0 if not\n",
133 " -signkey arg    - self sign cert with arg\n",
134 " -x509toreq      - output a certification request object\n",
135 " -req            - input is a certificate request, sign and output.\n",
136 " -CA arg         - set the CA certificate, must be PEM format.\n",
137 " -CAkey arg      - set the CA key, must be PEM format\n",
138 "                   missing, it is assumed to be in the CA file.\n",
139 " -CAcreateserial - create serial number file if it does not exist\n",
140 " -CAserial arg   - serial file\n",
141 " -set_serial     - serial number to use\n",
142 " -text           - print the certificate in text form\n",
143 " -C              - print out C code forms\n",
144 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
145 " -extfile        - configuration file with X509V3 extensions to add\n",
146 " -extensions     - section from config file with X509V3 extensions to add\n",
147 " -clrext         - delete extensions before signing and input certificate\n",
148 " -nameopt arg    - various certificate name options\n",
149 #ifndef OPENSSL_NO_ENGINE
150 " -engine e       - use engine e, possibly a hardware device.\n",
151 #endif
152 " -certopt arg    - various certificate text options\n",
153 NULL
154 };
155 
156 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
157 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
158 						CONF *conf, char *section);
159 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
160 			 X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
161 			 int create,int days, int clrext, CONF *conf, char *section,
162 						ASN1_INTEGER *sno);
163 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
164 static int reqfile=0;
165 
166 int MAIN(int, char **);
167 
MAIN(int argc,char ** argv)168 int MAIN(int argc, char **argv)
169 	{
170 	ENGINE *e = NULL;
171 	int ret=1;
172 	X509_REQ *req=NULL;
173 	X509 *x=NULL,*xca=NULL;
174 	ASN1_OBJECT *objtmp;
175 	EVP_PKEY *Upkey=NULL,*CApkey=NULL;
176 	ASN1_INTEGER *sno = NULL;
177 	int i,num,badops=0;
178 	BIO *out=NULL;
179 	BIO *STDout=NULL;
180 	STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
181 	int informat,outformat,keyformat,CAformat,CAkeyformat;
182 	char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
183 	char *CAkeyfile=NULL,*CAserial=NULL;
184 	char *alias=NULL;
185 	int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
186 	int next_serial=0;
187 	int subject_hash=0,issuer_hash=0,ocspid=0;
188 #ifndef OPENSSL_NO_MD5
189 	int subject_hash_old=0,issuer_hash_old=0;
190 #endif
191 	int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
192 	int ocsp_uri=0;
193 	int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
194 	int C=0;
195 	int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
196 	int pprint = 0;
197 	const char **pp;
198 	X509_STORE *ctx=NULL;
199 	X509_REQ *rq=NULL;
200 	int fingerprint=0;
201 	char buf[256];
202 	const EVP_MD *md_alg,*digest=NULL;
203 	CONF *extconf = NULL;
204 	char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
205 	int need_rand = 0;
206 	int checkend=0,checkoffset=0;
207 	unsigned long nmflag = 0, certflag = 0;
208 #ifndef OPENSSL_NO_ENGINE
209 	char *engine=NULL;
210 #endif
211 
212 	reqfile=0;
213 
214 	apps_startup();
215 
216 	if (bio_err == NULL)
217 		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
218 
219 	if (!load_config(bio_err, NULL))
220 		goto end;
221 	STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
222 #ifdef OPENSSL_SYS_VMS
223 	{
224 	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
225 	STDout = BIO_push(tmpbio, STDout);
226 	}
227 #endif
228 
229 	informat=FORMAT_PEM;
230 	outformat=FORMAT_PEM;
231 	keyformat=FORMAT_PEM;
232 	CAformat=FORMAT_PEM;
233 	CAkeyformat=FORMAT_PEM;
234 
235 	ctx=X509_STORE_new();
236 	if (ctx == NULL) goto end;
237 	X509_STORE_set_verify_cb(ctx,callb);
238 
239 	argc--;
240 	argv++;
241 	num=0;
242 	while (argc >= 1)
243 		{
244 		if 	(strcmp(*argv,"-inform") == 0)
245 			{
246 			if (--argc < 1) goto bad;
247 			informat=str2fmt(*(++argv));
248 			}
249 		else if (strcmp(*argv,"-outform") == 0)
250 			{
251 			if (--argc < 1) goto bad;
252 			outformat=str2fmt(*(++argv));
253 			}
254 		else if (strcmp(*argv,"-keyform") == 0)
255 			{
256 			if (--argc < 1) goto bad;
257 			keyformat=str2fmt(*(++argv));
258 			}
259 		else if (strcmp(*argv,"-req") == 0)
260 			{
261 			reqfile=1;
262 			need_rand = 1;
263 			}
264 		else if (strcmp(*argv,"-CAform") == 0)
265 			{
266 			if (--argc < 1) goto bad;
267 			CAformat=str2fmt(*(++argv));
268 			}
269 		else if (strcmp(*argv,"-CAkeyform") == 0)
270 			{
271 			if (--argc < 1) goto bad;
272 			CAkeyformat=str2fmt(*(++argv));
273 			}
274 		else if (strcmp(*argv,"-days") == 0)
275 			{
276 			if (--argc < 1) goto bad;
277 			days=atoi(*(++argv));
278 			if (days == 0)
279 				{
280 				BIO_printf(STDout,"bad number of days\n");
281 				goto bad;
282 				}
283 			}
284 		else if (strcmp(*argv,"-passin") == 0)
285 			{
286 			if (--argc < 1) goto bad;
287 			passargin= *(++argv);
288 			}
289 		else if (strcmp(*argv,"-extfile") == 0)
290 			{
291 			if (--argc < 1) goto bad;
292 			extfile= *(++argv);
293 			}
294 		else if (strcmp(*argv,"-extensions") == 0)
295 			{
296 			if (--argc < 1) goto bad;
297 			extsect= *(++argv);
298 			}
299 		else if (strcmp(*argv,"-in") == 0)
300 			{
301 			if (--argc < 1) goto bad;
302 			infile= *(++argv);
303 			}
304 		else if (strcmp(*argv,"-out") == 0)
305 			{
306 			if (--argc < 1) goto bad;
307 			outfile= *(++argv);
308 			}
309 		else if (strcmp(*argv,"-signkey") == 0)
310 			{
311 			if (--argc < 1) goto bad;
312 			keyfile= *(++argv);
313 			sign_flag= ++num;
314 			need_rand = 1;
315 			}
316 		else if (strcmp(*argv,"-CA") == 0)
317 			{
318 			if (--argc < 1) goto bad;
319 			CAfile= *(++argv);
320 			CA_flag= ++num;
321 			need_rand = 1;
322 			}
323 		else if (strcmp(*argv,"-CAkey") == 0)
324 			{
325 			if (--argc < 1) goto bad;
326 			CAkeyfile= *(++argv);
327 			}
328 		else if (strcmp(*argv,"-CAserial") == 0)
329 			{
330 			if (--argc < 1) goto bad;
331 			CAserial= *(++argv);
332 			}
333 		else if (strcmp(*argv,"-set_serial") == 0)
334 			{
335 			if (--argc < 1) goto bad;
336 			if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
337 				goto bad;
338 			}
339 		else if (strcmp(*argv,"-addtrust") == 0)
340 			{
341 			if (--argc < 1) goto bad;
342 			if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
343 				{
344 				BIO_printf(bio_err,
345 					"Invalid trust object value %s\n", *argv);
346 				goto bad;
347 				}
348 			if (!trust) trust = sk_ASN1_OBJECT_new_null();
349 			sk_ASN1_OBJECT_push(trust, objtmp);
350 			trustout = 1;
351 			}
352 		else if (strcmp(*argv,"-addreject") == 0)
353 			{
354 			if (--argc < 1) goto bad;
355 			if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
356 				{
357 				BIO_printf(bio_err,
358 					"Invalid reject object value %s\n", *argv);
359 				goto bad;
360 				}
361 			if (!reject) reject = sk_ASN1_OBJECT_new_null();
362 			sk_ASN1_OBJECT_push(reject, objtmp);
363 			trustout = 1;
364 			}
365 		else if (strcmp(*argv,"-setalias") == 0)
366 			{
367 			if (--argc < 1) goto bad;
368 			alias= *(++argv);
369 			trustout = 1;
370 			}
371 		else if (strcmp(*argv,"-certopt") == 0)
372 			{
373 			if (--argc < 1) goto bad;
374 			if (!set_cert_ex(&certflag, *(++argv))) goto bad;
375 			}
376 		else if (strcmp(*argv,"-nameopt") == 0)
377 			{
378 			if (--argc < 1) goto bad;
379 			if (!set_name_ex(&nmflag, *(++argv))) goto bad;
380 			}
381 #ifndef OPENSSL_NO_ENGINE
382 		else if (strcmp(*argv,"-engine") == 0)
383 			{
384 			if (--argc < 1) goto bad;
385 			engine= *(++argv);
386 			}
387 #endif
388 		else if (strcmp(*argv,"-C") == 0)
389 			C= ++num;
390 		else if (strcmp(*argv,"-email") == 0)
391 			email= ++num;
392 		else if (strcmp(*argv,"-ocsp_uri") == 0)
393 			ocsp_uri= ++num;
394 		else if (strcmp(*argv,"-serial") == 0)
395 			serial= ++num;
396 		else if (strcmp(*argv,"-next_serial") == 0)
397 			next_serial= ++num;
398 		else if (strcmp(*argv,"-modulus") == 0)
399 			modulus= ++num;
400 		else if (strcmp(*argv,"-pubkey") == 0)
401 			pubkey= ++num;
402 		else if (strcmp(*argv,"-x509toreq") == 0)
403 			x509req= ++num;
404 		else if (strcmp(*argv,"-text") == 0)
405 			text= ++num;
406 		else if (strcmp(*argv,"-hash") == 0
407 			|| strcmp(*argv,"-subject_hash") == 0)
408 			subject_hash= ++num;
409 #ifndef OPENSSL_NO_MD5
410 		else if (strcmp(*argv,"-subject_hash_old") == 0)
411 			subject_hash_old= ++num;
412 #endif
413 		else if (strcmp(*argv,"-issuer_hash") == 0)
414 			issuer_hash= ++num;
415 #ifndef OPENSSL_NO_MD5
416 		else if (strcmp(*argv,"-issuer_hash_old") == 0)
417 			issuer_hash_old= ++num;
418 #endif
419 		else if (strcmp(*argv,"-subject") == 0)
420 			subject= ++num;
421 		else if (strcmp(*argv,"-issuer") == 0)
422 			issuer= ++num;
423 		else if (strcmp(*argv,"-fingerprint") == 0)
424 			fingerprint= ++num;
425 		else if (strcmp(*argv,"-dates") == 0)
426 			{
427 			startdate= ++num;
428 			enddate= ++num;
429 			}
430 		else if (strcmp(*argv,"-purpose") == 0)
431 			pprint= ++num;
432 		else if (strcmp(*argv,"-startdate") == 0)
433 			startdate= ++num;
434 		else if (strcmp(*argv,"-enddate") == 0)
435 			enddate= ++num;
436 		else if (strcmp(*argv,"-checkend") == 0)
437 			{
438 			if (--argc < 1) goto bad;
439 			checkoffset=atoi(*(++argv));
440 			checkend=1;
441 			}
442 		else if (strcmp(*argv,"-noout") == 0)
443 			noout= ++num;
444 		else if (strcmp(*argv,"-trustout") == 0)
445 			trustout= 1;
446 		else if (strcmp(*argv,"-clrtrust") == 0)
447 			clrtrust= ++num;
448 		else if (strcmp(*argv,"-clrreject") == 0)
449 			clrreject= ++num;
450 		else if (strcmp(*argv,"-alias") == 0)
451 			aliasout= ++num;
452 		else if (strcmp(*argv,"-CAcreateserial") == 0)
453 			CA_createserial= ++num;
454 		else if (strcmp(*argv,"-clrext") == 0)
455 			clrext = 1;
456 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
457 		else if (strcmp(*argv,"-crlext") == 0)
458 			{
459 			BIO_printf(bio_err,"use -clrext instead of -crlext\n");
460 			clrext = 1;
461 			}
462 #endif
463 		else if (strcmp(*argv,"-ocspid") == 0)
464 			ocspid= ++num;
465 		else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
466 			{
467 			/* ok */
468 			digest=md_alg;
469 			}
470 		else
471 			{
472 			BIO_printf(bio_err,"unknown option %s\n",*argv);
473 			badops=1;
474 			break;
475 			}
476 		argc--;
477 		argv++;
478 		}
479 
480 	if (badops)
481 		{
482 bad:
483 		for (pp=x509_usage; (*pp != NULL); pp++)
484 			BIO_printf(bio_err,"%s",*pp);
485 		goto end;
486 		}
487 
488 #ifndef OPENSSL_NO_ENGINE
489         e = setup_engine(bio_err, engine, 0);
490 #endif
491 
492 	if (need_rand)
493 		app_RAND_load_file(NULL, bio_err, 0);
494 
495 	ERR_load_crypto_strings();
496 
497 	if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
498 		{
499 		BIO_printf(bio_err, "Error getting password\n");
500 		goto end;
501 		}
502 
503 	if (!X509_STORE_set_default_paths(ctx))
504 		{
505 		ERR_print_errors(bio_err);
506 		goto end;
507 		}
508 
509 	if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
510 		{ CAkeyfile=CAfile; }
511 	else if ((CA_flag) && (CAkeyfile == NULL))
512 		{
513 		BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
514 		goto end;
515 		}
516 
517 	if (extfile)
518 		{
519 		long errorline = -1;
520 		X509V3_CTX ctx2;
521 		extconf = NCONF_new(NULL);
522 		if (!NCONF_load(extconf, extfile,&errorline))
523 			{
524 			if (errorline <= 0)
525 				BIO_printf(bio_err,
526 					"error loading the config file '%s'\n",
527 								extfile);
528                 	else
529                         	BIO_printf(bio_err,
530 				       "error on line %ld of config file '%s'\n"
531 							,errorline,extfile);
532 			goto end;
533 			}
534 		if (!extsect)
535 			{
536 			extsect = NCONF_get_string(extconf, "default", "extensions");
537 			if (!extsect)
538 				{
539 				ERR_clear_error();
540 				extsect = "default";
541 				}
542 			}
543 		X509V3_set_ctx_test(&ctx2);
544 		X509V3_set_nconf(&ctx2, extconf);
545 		if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
546 			{
547 			BIO_printf(bio_err,
548 				"Error Loading extension section %s\n",
549 								 extsect);
550 			ERR_print_errors(bio_err);
551 			goto end;
552 			}
553 		}
554 
555 
556 	if (reqfile)
557 		{
558 		EVP_PKEY *pkey;
559 		BIO *in;
560 
561 		if (!sign_flag && !CA_flag)
562 			{
563 			BIO_printf(bio_err,"We need a private key to sign with\n");
564 			goto end;
565 			}
566 		in=BIO_new(BIO_s_file());
567 		if (in == NULL)
568 			{
569 			ERR_print_errors(bio_err);
570 			goto end;
571 			}
572 
573 		if (infile == NULL)
574 			BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
575 		else
576 			{
577 			if (BIO_read_filename(in,infile) <= 0)
578 				{
579 				perror(infile);
580 				BIO_free(in);
581 				goto end;
582 				}
583 			}
584 		req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
585 		BIO_free(in);
586 
587 		if (req == NULL)
588 			{
589 			ERR_print_errors(bio_err);
590 			goto end;
591 			}
592 
593 		if (	(req->req_info == NULL) ||
594 			(req->req_info->pubkey == NULL) ||
595 			(req->req_info->pubkey->public_key == NULL) ||
596 			(req->req_info->pubkey->public_key->data == NULL))
597 			{
598 			BIO_printf(bio_err,"The certificate request appears to corrupted\n");
599 			BIO_printf(bio_err,"It does not contain a public key\n");
600 			goto end;
601 			}
602 		if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
603 	                {
604 	                BIO_printf(bio_err,"error unpacking public key\n");
605 	                goto end;
606 	                }
607 		i=X509_REQ_verify(req,pkey);
608 		EVP_PKEY_free(pkey);
609 		if (i < 0)
610 			{
611 			BIO_printf(bio_err,"Signature verification error\n");
612 			ERR_print_errors(bio_err);
613 			goto end;
614 			}
615 	        if (i == 0)
616 			{
617 			BIO_printf(bio_err,"Signature did not match the certificate request\n");
618 			goto end;
619 			}
620 		else
621 			BIO_printf(bio_err,"Signature ok\n");
622 
623 		print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
624 
625 		if ((x=X509_new()) == NULL) goto end;
626 
627 		if (sno == NULL)
628 			{
629 			sno = ASN1_INTEGER_new();
630 			if (!sno || !rand_serial(NULL, sno))
631 				goto end;
632 			if (!X509_set_serialNumber(x, sno))
633 				goto end;
634 			ASN1_INTEGER_free(sno);
635 			sno = NULL;
636 			}
637 		else if (!X509_set_serialNumber(x, sno))
638 			goto end;
639 
640 		if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
641 		if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
642 
643 		X509_gmtime_adj(X509_get_notBefore(x),0);
644 	        X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL);
645 
646 		pkey = X509_REQ_get_pubkey(req);
647 		X509_set_pubkey(x,pkey);
648 		EVP_PKEY_free(pkey);
649 		}
650 	else
651 		x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
652 
653 	if (x == NULL) goto end;
654 	if (CA_flag)
655 		{
656 		xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
657 		if (xca == NULL) goto end;
658 		}
659 
660 	if (!noout || text || next_serial)
661 		{
662 		OBJ_create("2.99999.3",
663 			"SET.ex3","SET x509v3 extension 3");
664 
665 		out=BIO_new(BIO_s_file());
666 		if (out == NULL)
667 			{
668 			ERR_print_errors(bio_err);
669 			goto end;
670 			}
671 		if (outfile == NULL)
672 			{
673 			BIO_set_fp(out,stdout,BIO_NOCLOSE);
674 #ifdef OPENSSL_SYS_VMS
675 			{
676 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
677 			out = BIO_push(tmpbio, out);
678 			}
679 #endif
680 			}
681 		else
682 			{
683 			if (BIO_write_filename(out,outfile) <= 0)
684 				{
685 				perror(outfile);
686 				goto end;
687 				}
688 			}
689 		}
690 
691 	if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
692 
693 	if (clrtrust) X509_trust_clear(x);
694 	if (clrreject) X509_reject_clear(x);
695 
696 	if (trust)
697 		{
698 		for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
699 			{
700 			objtmp = sk_ASN1_OBJECT_value(trust, i);
701 			X509_add1_trust_object(x, objtmp);
702 			}
703 		}
704 
705 	if (reject)
706 		{
707 		for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
708 			{
709 			objtmp = sk_ASN1_OBJECT_value(reject, i);
710 			X509_add1_reject_object(x, objtmp);
711 			}
712 		}
713 
714 	if (num)
715 		{
716 		for (i=1; i<=num; i++)
717 			{
718 			if (issuer == i)
719 				{
720 				print_name(STDout, "issuer= ",
721 					X509_get_issuer_name(x), nmflag);
722 				}
723 			else if (subject == i)
724 				{
725 				print_name(STDout, "subject= ",
726 					X509_get_subject_name(x), nmflag);
727 				}
728 			else if (serial == i)
729 				{
730 				BIO_printf(STDout,"serial=");
731 				i2a_ASN1_INTEGER(STDout,
732 					X509_get_serialNumber(x));
733 				BIO_printf(STDout,"\n");
734 				}
735 			else if (next_serial == i)
736 				{
737 				BIGNUM *bnser;
738 				ASN1_INTEGER *ser;
739 				ser = X509_get_serialNumber(x);
740 				bnser = ASN1_INTEGER_to_BN(ser, NULL);
741 				if (!bnser)
742 					goto end;
743 				if (!BN_add_word(bnser, 1))
744 					goto end;
745 				ser = BN_to_ASN1_INTEGER(bnser, NULL);
746 				if (!ser)
747 					goto end;
748 				BN_free(bnser);
749 				i2a_ASN1_INTEGER(out, ser);
750 				ASN1_INTEGER_free(ser);
751 				BIO_puts(out, "\n");
752 				}
753 			else if ((email == i) || (ocsp_uri == i))
754 				{
755 				int j;
756 				STACK_OF(OPENSSL_STRING) *emlst;
757 				if (email == i)
758 					emlst = X509_get1_email(x);
759 				else
760 					emlst = X509_get1_ocsp(x);
761 				for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
762 					BIO_printf(STDout, "%s\n",
763 						   sk_OPENSSL_STRING_value(emlst, j));
764 				X509_email_free(emlst);
765 				}
766 			else if (aliasout == i)
767 				{
768 				unsigned char *alstr;
769 				alstr = X509_alias_get0(x, NULL);
770 				if (alstr) BIO_printf(STDout,"%s\n", alstr);
771 				else BIO_puts(STDout,"<No Alias>\n");
772 				}
773 			else if (subject_hash == i)
774 				{
775 				BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
776 				}
777 #ifndef OPENSSL_NO_MD5
778 			else if (subject_hash_old == i)
779 				{
780 				BIO_printf(STDout,"%08lx\n",X509_subject_name_hash_old(x));
781 				}
782 #endif
783 			else if (issuer_hash == i)
784 				{
785 				BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
786 				}
787 #ifndef OPENSSL_NO_MD5
788 			else if (issuer_hash_old == i)
789 				{
790 				BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash_old(x));
791 				}
792 #endif
793 			else if (pprint == i)
794 				{
795 				X509_PURPOSE *ptmp;
796 				int j;
797 				BIO_printf(STDout, "Certificate purposes:\n");
798 				for (j = 0; j < X509_PURPOSE_get_count(); j++)
799 					{
800 					ptmp = X509_PURPOSE_get0(j);
801 					purpose_print(STDout, x, ptmp);
802 					}
803 				}
804 			else
805 				if (modulus == i)
806 				{
807 				EVP_PKEY *pkey;
808 
809 				pkey=X509_get_pubkey(x);
810 				if (pkey == NULL)
811 					{
812 					BIO_printf(bio_err,"Modulus=unavailable\n");
813 					ERR_print_errors(bio_err);
814 					goto end;
815 					}
816 				BIO_printf(STDout,"Modulus=");
817 #ifndef OPENSSL_NO_RSA
818 				if (pkey->type == EVP_PKEY_RSA)
819 					BN_print(STDout,pkey->pkey.rsa->n);
820 				else
821 #endif
822 #ifndef OPENSSL_NO_DSA
823 				if (pkey->type == EVP_PKEY_DSA)
824 					BN_print(STDout,pkey->pkey.dsa->pub_key);
825 				else
826 #endif
827 					BIO_printf(STDout,"Wrong Algorithm type");
828 				BIO_printf(STDout,"\n");
829 				EVP_PKEY_free(pkey);
830 				}
831 			else
832 				if (pubkey == i)
833 				{
834 				EVP_PKEY *pkey;
835 
836 				pkey=X509_get_pubkey(x);
837 				if (pkey == NULL)
838 					{
839 					BIO_printf(bio_err,"Error getting public key\n");
840 					ERR_print_errors(bio_err);
841 					goto end;
842 					}
843 				PEM_write_bio_PUBKEY(STDout, pkey);
844 				EVP_PKEY_free(pkey);
845 				}
846 			else
847 				if (C == i)
848 				{
849 				unsigned char *d;
850 				char *m;
851 				int y,z;
852 
853 				X509_NAME_oneline(X509_get_subject_name(x),
854 					buf,sizeof buf);
855 				BIO_printf(STDout,"/* subject:%s */\n",buf);
856 				m=X509_NAME_oneline(
857 					X509_get_issuer_name(x),buf,
858 					sizeof buf);
859 				BIO_printf(STDout,"/* issuer :%s */\n",buf);
860 
861 				z=i2d_X509(x,NULL);
862 				m=OPENSSL_malloc(z);
863 
864 				d=(unsigned char *)m;
865 				z=i2d_X509_NAME(X509_get_subject_name(x),&d);
866 				BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
867 				d=(unsigned char *)m;
868 				for (y=0; y<z; y++)
869 					{
870 					BIO_printf(STDout,"0x%02X,",d[y]);
871 					if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
872 					}
873 				if (y%16 != 0) BIO_printf(STDout,"\n");
874 				BIO_printf(STDout,"};\n");
875 
876 				z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
877 				BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
878 				d=(unsigned char *)m;
879 				for (y=0; y<z; y++)
880 					{
881 					BIO_printf(STDout,"0x%02X,",d[y]);
882 					if ((y & 0x0f) == 0x0f)
883 						BIO_printf(STDout,"\n");
884 					}
885 				if (y%16 != 0) BIO_printf(STDout,"\n");
886 				BIO_printf(STDout,"};\n");
887 
888 				z=i2d_X509(x,&d);
889 				BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
890 				d=(unsigned char *)m;
891 				for (y=0; y<z; y++)
892 					{
893 					BIO_printf(STDout,"0x%02X,",d[y]);
894 					if ((y & 0x0f) == 0x0f)
895 						BIO_printf(STDout,"\n");
896 					}
897 				if (y%16 != 0) BIO_printf(STDout,"\n");
898 				BIO_printf(STDout,"};\n");
899 
900 				OPENSSL_free(m);
901 				}
902 			else if (text == i)
903 				{
904 				X509_print_ex(out,x,nmflag, certflag);
905 				}
906 			else if (startdate == i)
907 				{
908 				BIO_puts(STDout,"notBefore=");
909 				ASN1_TIME_print(STDout,X509_get_notBefore(x));
910 				BIO_puts(STDout,"\n");
911 				}
912 			else if (enddate == i)
913 				{
914 				BIO_puts(STDout,"notAfter=");
915 				ASN1_TIME_print(STDout,X509_get_notAfter(x));
916 				BIO_puts(STDout,"\n");
917 				}
918 			else if (fingerprint == i)
919 				{
920 				int j;
921 				unsigned int n;
922 				unsigned char md[EVP_MAX_MD_SIZE];
923 				const EVP_MD *fdig = digest;
924 
925 				if (!fdig)
926 					fdig = EVP_sha1();
927 
928 				if (!X509_digest(x,fdig,md,&n))
929 					{
930 					BIO_printf(bio_err,"out of memory\n");
931 					goto end;
932 					}
933 				BIO_printf(STDout,"%s Fingerprint=",
934 						OBJ_nid2sn(EVP_MD_type(fdig)));
935 				for (j=0; j<(int)n; j++)
936 					{
937 					BIO_printf(STDout,"%02X%c",md[j],
938 						(j+1 == (int)n)
939 						?'\n':':');
940 					}
941 				}
942 
943 			/* should be in the library */
944 			else if ((sign_flag == i) && (x509req == 0))
945 				{
946 				BIO_printf(bio_err,"Getting Private key\n");
947 				if (Upkey == NULL)
948 					{
949 					Upkey=load_key(bio_err,
950 						keyfile, keyformat, 0,
951 						passin, e, "Private key");
952 					if (Upkey == NULL) goto end;
953 					}
954 
955 				assert(need_rand);
956 				if (!sign(x,Upkey,days,clrext,digest,
957 						 extconf, extsect)) goto end;
958 				}
959 			else if (CA_flag == i)
960 				{
961 				BIO_printf(bio_err,"Getting CA Private Key\n");
962 				if (CAkeyfile != NULL)
963 					{
964 					CApkey=load_key(bio_err,
965 						CAkeyfile, CAkeyformat,
966 						0, passin, e,
967 						"CA Private Key");
968 					if (CApkey == NULL) goto end;
969 					}
970 
971 				assert(need_rand);
972 				if (!x509_certify(ctx,CAfile,digest,x,xca,
973 					CApkey, CAserial,CA_createserial,days, clrext,
974 					extconf, extsect, sno))
975 					goto end;
976 				}
977 			else if (x509req == i)
978 				{
979 				EVP_PKEY *pk;
980 
981 				BIO_printf(bio_err,"Getting request Private Key\n");
982 				if (keyfile == NULL)
983 					{
984 					BIO_printf(bio_err,"no request key file specified\n");
985 					goto end;
986 					}
987 				else
988 					{
989 					pk=load_key(bio_err,
990 						keyfile, FORMAT_PEM, 0,
991 						passin, e, "request key");
992 					if (pk == NULL) goto end;
993 					}
994 
995 				BIO_printf(bio_err,"Generating certificate request\n");
996 
997 				rq=X509_to_X509_REQ(x,pk,digest);
998 				EVP_PKEY_free(pk);
999 				if (rq == NULL)
1000 					{
1001 					ERR_print_errors(bio_err);
1002 					goto end;
1003 					}
1004 				if (!noout)
1005 					{
1006 					X509_REQ_print(out,rq);
1007 					PEM_write_bio_X509_REQ(out,rq);
1008 					}
1009 				noout=1;
1010 				}
1011 			else if (ocspid == i)
1012 				{
1013 				X509_ocspid_print(out, x);
1014 				}
1015 			}
1016 		}
1017 
1018 	if (checkend)
1019 		{
1020 		time_t tcheck=time(NULL) + checkoffset;
1021 
1022 		if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
1023 			{
1024 			BIO_printf(out,"Certificate will expire\n");
1025 			ret=1;
1026 			}
1027 		else
1028 			{
1029 			BIO_printf(out,"Certificate will not expire\n");
1030 			ret=0;
1031 			}
1032 		goto end;
1033 		}
1034 
1035 	if (noout)
1036 		{
1037 		ret=0;
1038 		goto end;
1039 		}
1040 
1041 	if 	(outformat == FORMAT_ASN1)
1042 		i=i2d_X509_bio(out,x);
1043 	else if (outformat == FORMAT_PEM)
1044 		{
1045 		if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1046 		else i=PEM_write_bio_X509(out,x);
1047 		}
1048 	else if (outformat == FORMAT_NETSCAPE)
1049 		{
1050 		NETSCAPE_X509 nx;
1051 		ASN1_OCTET_STRING hdr;
1052 
1053 		hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
1054 		hdr.length=strlen(NETSCAPE_CERT_HDR);
1055 		nx.header= &hdr;
1056 		nx.cert=x;
1057 
1058 		i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
1059 		}
1060 	else	{
1061 		BIO_printf(bio_err,"bad output format specified for outfile\n");
1062 		goto end;
1063 		}
1064 	if (!i)
1065 		{
1066 		BIO_printf(bio_err,"unable to write certificate\n");
1067 		ERR_print_errors(bio_err);
1068 		goto end;
1069 		}
1070 	ret=0;
1071 end:
1072 	if (need_rand)
1073 		app_RAND_write_file(NULL, bio_err);
1074 	OBJ_cleanup();
1075 	NCONF_free(extconf);
1076 	BIO_free_all(out);
1077 	BIO_free_all(STDout);
1078 	X509_STORE_free(ctx);
1079 	X509_REQ_free(req);
1080 	X509_free(x);
1081 	X509_free(xca);
1082 	EVP_PKEY_free(Upkey);
1083 	EVP_PKEY_free(CApkey);
1084 	X509_REQ_free(rq);
1085 	ASN1_INTEGER_free(sno);
1086 	sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1087 	sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1088 	if (passin) OPENSSL_free(passin);
1089 	apps_shutdown();
1090 	OPENSSL_EXIT(ret);
1091 	}
1092 
x509_load_serial(char * CAfile,char * serialfile,int create)1093 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1094 	{
1095 	char *buf = NULL, *p;
1096 	ASN1_INTEGER *bs = NULL;
1097 	BIGNUM *serial = NULL;
1098 	size_t len;
1099 
1100 	len = ((serialfile == NULL)
1101 		?(strlen(CAfile)+strlen(POSTFIX)+1)
1102 		:(strlen(serialfile)))+1;
1103 	buf=OPENSSL_malloc(len);
1104 	if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1105 	if (serialfile == NULL)
1106 		{
1107 		BUF_strlcpy(buf,CAfile,len);
1108 		for (p=buf; *p; p++)
1109 			if (*p == '.')
1110 				{
1111 				*p='\0';
1112 				break;
1113 				}
1114 		BUF_strlcat(buf,POSTFIX,len);
1115 		}
1116 	else
1117 		BUF_strlcpy(buf,serialfile,len);
1118 
1119 	serial = load_serial(buf, create, NULL);
1120 	if (serial == NULL) goto end;
1121 
1122 	if (!BN_add_word(serial,1))
1123 		{ BIO_printf(bio_err,"add_word failure\n"); goto end; }
1124 
1125 	if (!save_serial(buf, NULL, serial, &bs)) goto end;
1126 
1127  end:
1128 	if (buf) OPENSSL_free(buf);
1129 	BN_free(serial);
1130 	return bs;
1131 	}
1132 
x509_certify(X509_STORE * ctx,char * CAfile,const EVP_MD * digest,X509 * x,X509 * xca,EVP_PKEY * pkey,char * serialfile,int create,int days,int clrext,CONF * conf,char * section,ASN1_INTEGER * sno)1133 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1134 	     X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1135 	     int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1136 	{
1137 	int ret=0;
1138 	ASN1_INTEGER *bs=NULL;
1139 	X509_STORE_CTX xsc;
1140 	EVP_PKEY *upkey;
1141 
1142 	upkey = X509_get_pubkey(xca);
1143 	EVP_PKEY_copy_parameters(upkey,pkey);
1144 	EVP_PKEY_free(upkey);
1145 
1146 	if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1147 		{
1148 		BIO_printf(bio_err,"Error initialising X509 store\n");
1149 		goto end;
1150 		}
1151 	if (sno) bs = sno;
1152 	else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1153 		goto end;
1154 
1155 /*	if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1156 
1157 	/* NOTE: this certificate can/should be self signed, unless it was
1158 	 * a certificate request in which case it is not. */
1159 	X509_STORE_CTX_set_cert(&xsc,x);
1160 	X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1161 	if (!reqfile && X509_verify_cert(&xsc) <= 0)
1162 		goto end;
1163 
1164 	if (!X509_check_private_key(xca,pkey))
1165 		{
1166 		BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1167 		goto end;
1168 		}
1169 
1170 	if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1171 	if (!X509_set_serialNumber(x,bs)) goto end;
1172 
1173 	if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1174 		goto end;
1175 
1176 	/* hardwired expired */
1177 	if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)
1178 		goto end;
1179 
1180 	if (clrext)
1181 		{
1182 		while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1183 		}
1184 
1185 	if (conf)
1186 		{
1187 		X509V3_CTX ctx2;
1188 		X509_set_version(x,2); /* version 3 certificate */
1189                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1190                 X509V3_set_nconf(&ctx2, conf);
1191                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1192 		}
1193 
1194 	if (!X509_sign(x,pkey,digest)) goto end;
1195 	ret=1;
1196 end:
1197 	X509_STORE_CTX_cleanup(&xsc);
1198 	if (!ret)
1199 		ERR_print_errors(bio_err);
1200 	if (!sno) ASN1_INTEGER_free(bs);
1201 	return ret;
1202 	}
1203 
callb(int ok,X509_STORE_CTX * ctx)1204 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1205 	{
1206 	int err;
1207 	X509 *err_cert;
1208 
1209 	/* it is ok to use a self signed certificate
1210 	 * This case will catch both the initial ok == 0 and the
1211 	 * final ok == 1 calls to this function */
1212 	err=X509_STORE_CTX_get_error(ctx);
1213 	if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1214 		return 1;
1215 
1216 	/* BAD we should have gotten an error.  Normally if everything
1217 	 * worked X509_STORE_CTX_get_error(ctx) will still be set to
1218 	 * DEPTH_ZERO_SELF_.... */
1219 	if (ok)
1220 		{
1221 		BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1222 		return 0;
1223 		}
1224 	else
1225 		{
1226 		err_cert=X509_STORE_CTX_get_current_cert(ctx);
1227 		print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1228 		BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1229 			err,X509_STORE_CTX_get_error_depth(ctx),
1230 			X509_verify_cert_error_string(err));
1231 		return 1;
1232 		}
1233 	}
1234 
1235 /* self sign */
sign(X509 * x,EVP_PKEY * pkey,int days,int clrext,const EVP_MD * digest,CONF * conf,char * section)1236 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1237 						CONF *conf, char *section)
1238 	{
1239 
1240 	EVP_PKEY *pktmp;
1241 
1242 	pktmp = X509_get_pubkey(x);
1243 	EVP_PKEY_copy_parameters(pktmp,pkey);
1244 	EVP_PKEY_save_parameters(pktmp,1);
1245 	EVP_PKEY_free(pktmp);
1246 
1247 	if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1248 	if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1249 
1250 	/* Lets just make it 12:00am GMT, Jan 1 1970 */
1251 	/* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1252 	/* 28 days to be certified */
1253 
1254 	if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1255 		goto err;
1256 
1257 	if (!X509_set_pubkey(x,pkey)) goto err;
1258 	if (clrext)
1259 		{
1260 		while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1261 		}
1262 	if (conf)
1263 		{
1264 		X509V3_CTX ctx;
1265 		X509_set_version(x,2); /* version 3 certificate */
1266                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1267                 X509V3_set_nconf(&ctx, conf);
1268                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1269 		}
1270 	if (!X509_sign(x,pkey,digest)) goto err;
1271 	return 1;
1272 err:
1273 	ERR_print_errors(bio_err);
1274 	return 0;
1275 	}
1276 
purpose_print(BIO * bio,X509 * cert,X509_PURPOSE * pt)1277 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1278 {
1279 	int id, i, idret;
1280 	char *pname;
1281 	id = X509_PURPOSE_get_id(pt);
1282 	pname = X509_PURPOSE_get0_name(pt);
1283 	for (i = 0; i < 2; i++)
1284 		{
1285 		idret = X509_check_purpose(cert, id, i);
1286 		BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1287 		if (idret == 1) BIO_printf(bio, "Yes\n");
1288 		else if (idret == 0) BIO_printf(bio, "No\n");
1289 		else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1290 		}
1291 	return 1;
1292 }
1293