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
84static 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",
138NULL
139};
140
141static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
142static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
143						CONF *conf, char *section);
144static 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);
148static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
149static int reqfile=0;
150
151int MAIN(int, char **);
152
153int 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;
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#ifdef  OPENSSL_FIPS
220	if (FIPS_mode())
221		digest = EVP_sha1();
222	else
223#endif
224		digest = EVP_md5();
225
226	argc--;
227	argv++;
228	num=0;
229	while (argc >= 1)
230		{
231		if 	(strcmp(*argv,"-inform") == 0)
232			{
233			if (--argc < 1) goto bad;
234			informat=str2fmt(*(++argv));
235			}
236		else if (strcmp(*argv,"-outform") == 0)
237			{
238			if (--argc < 1) goto bad;
239			outformat=str2fmt(*(++argv));
240			}
241		else if (strcmp(*argv,"-keyform") == 0)
242			{
243			if (--argc < 1) goto bad;
244			keyformat=str2fmt(*(++argv));
245			}
246		else if (strcmp(*argv,"-req") == 0)
247			{
248			reqfile=1;
249			need_rand = 1;
250			}
251		else if (strcmp(*argv,"-CAform") == 0)
252			{
253			if (--argc < 1) goto bad;
254			CAformat=str2fmt(*(++argv));
255			}
256		else if (strcmp(*argv,"-CAkeyform") == 0)
257			{
258			if (--argc < 1) goto bad;
259			CAkeyformat=str2fmt(*(++argv));
260			}
261		else if (strcmp(*argv,"-days") == 0)
262			{
263			if (--argc < 1) goto bad;
264			days=atoi(*(++argv));
265			if (days == 0)
266				{
267				BIO_printf(STDout,"bad number of days\n");
268				goto bad;
269				}
270			}
271		else if (strcmp(*argv,"-passin") == 0)
272			{
273			if (--argc < 1) goto bad;
274			passargin= *(++argv);
275			}
276		else if (strcmp(*argv,"-extfile") == 0)
277			{
278			if (--argc < 1) goto bad;
279			extfile= *(++argv);
280			}
281		else if (strcmp(*argv,"-extensions") == 0)
282			{
283			if (--argc < 1) goto bad;
284			extsect= *(++argv);
285			}
286		else if (strcmp(*argv,"-in") == 0)
287			{
288			if (--argc < 1) goto bad;
289			infile= *(++argv);
290			}
291		else if (strcmp(*argv,"-out") == 0)
292			{
293			if (--argc < 1) goto bad;
294			outfile= *(++argv);
295			}
296		else if (strcmp(*argv,"-signkey") == 0)
297			{
298			if (--argc < 1) goto bad;
299			keyfile= *(++argv);
300			sign_flag= ++num;
301			need_rand = 1;
302			}
303		else if (strcmp(*argv,"-CA") == 0)
304			{
305			if (--argc < 1) goto bad;
306			CAfile= *(++argv);
307			CA_flag= ++num;
308			need_rand = 1;
309			}
310		else if (strcmp(*argv,"-CAkey") == 0)
311			{
312			if (--argc < 1) goto bad;
313			CAkeyfile= *(++argv);
314			}
315		else if (strcmp(*argv,"-CAserial") == 0)
316			{
317			if (--argc < 1) goto bad;
318			CAserial= *(++argv);
319			}
320		else if (strcmp(*argv,"-set_serial") == 0)
321			{
322			if (--argc < 1) goto bad;
323			if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
324				goto bad;
325			}
326		else if (strcmp(*argv,"-addtrust") == 0)
327			{
328			if (--argc < 1) goto bad;
329			if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
330				{
331				BIO_printf(bio_err,
332					"Invalid trust object value %s\n", *argv);
333				goto bad;
334				}
335			if (!trust) trust = sk_ASN1_OBJECT_new_null();
336			sk_ASN1_OBJECT_push(trust, objtmp);
337			trustout = 1;
338			}
339		else if (strcmp(*argv,"-addreject") == 0)
340			{
341			if (--argc < 1) goto bad;
342			if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
343				{
344				BIO_printf(bio_err,
345					"Invalid reject object value %s\n", *argv);
346				goto bad;
347				}
348			if (!reject) reject = sk_ASN1_OBJECT_new_null();
349			sk_ASN1_OBJECT_push(reject, objtmp);
350			trustout = 1;
351			}
352		else if (strcmp(*argv,"-setalias") == 0)
353			{
354			if (--argc < 1) goto bad;
355			alias= *(++argv);
356			trustout = 1;
357			}
358		else if (strcmp(*argv,"-certopt") == 0)
359			{
360			if (--argc < 1) goto bad;
361			if (!set_cert_ex(&certflag, *(++argv))) goto bad;
362			}
363		else if (strcmp(*argv,"-nameopt") == 0)
364			{
365			if (--argc < 1) goto bad;
366			if (!set_name_ex(&nmflag, *(++argv))) goto bad;
367			}
368#ifndef OPENSSL_NO_ENGINE
369		else if (strcmp(*argv,"-engine") == 0)
370			{
371			if (--argc < 1) goto bad;
372			engine= *(++argv);
373			}
374#endif
375		else if (strcmp(*argv,"-C") == 0)
376			C= ++num;
377		else if (strcmp(*argv,"-email") == 0)
378			email= ++num;
379		else if (strcmp(*argv,"-serial") == 0)
380			serial= ++num;
381		else if (strcmp(*argv,"-next_serial") == 0)
382			next_serial= ++num;
383		else if (strcmp(*argv,"-modulus") == 0)
384			modulus= ++num;
385		else if (strcmp(*argv,"-pubkey") == 0)
386			pubkey= ++num;
387		else if (strcmp(*argv,"-x509toreq") == 0)
388			x509req= ++num;
389		else if (strcmp(*argv,"-text") == 0)
390			text= ++num;
391		else if (strcmp(*argv,"-hash") == 0)
392			hash= ++num;
393		else if (strcmp(*argv,"-subject") == 0)
394			subject= ++num;
395		else if (strcmp(*argv,"-issuer") == 0)
396			issuer= ++num;
397		else if (strcmp(*argv,"-fingerprint") == 0)
398			fingerprint= ++num;
399		else if (strcmp(*argv,"-dates") == 0)
400			{
401			startdate= ++num;
402			enddate= ++num;
403			}
404		else if (strcmp(*argv,"-purpose") == 0)
405			pprint= ++num;
406		else if (strcmp(*argv,"-startdate") == 0)
407			startdate= ++num;
408		else if (strcmp(*argv,"-enddate") == 0)
409			enddate= ++num;
410		else if (strcmp(*argv,"-checkend") == 0)
411			{
412			if (--argc < 1) goto bad;
413			checkoffset=atoi(*(++argv));
414			checkend=1;
415			}
416		else if (strcmp(*argv,"-noout") == 0)
417			noout= ++num;
418		else if (strcmp(*argv,"-trustout") == 0)
419			trustout= 1;
420		else if (strcmp(*argv,"-clrtrust") == 0)
421			clrtrust= ++num;
422		else if (strcmp(*argv,"-clrreject") == 0)
423			clrreject= ++num;
424		else if (strcmp(*argv,"-alias") == 0)
425			aliasout= ++num;
426		else if (strcmp(*argv,"-CAcreateserial") == 0)
427			CA_createserial= ++num;
428		else if (strcmp(*argv,"-clrext") == 0)
429			clrext = 1;
430#if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
431		else if (strcmp(*argv,"-crlext") == 0)
432			{
433			BIO_printf(bio_err,"use -clrext instead of -crlext\n");
434			clrext = 1;
435			}
436#endif
437		else if (strcmp(*argv,"-ocspid") == 0)
438			ocspid= ++num;
439		else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
440			{
441			/* ok */
442			digest=md_alg;
443			}
444		else
445			{
446			BIO_printf(bio_err,"unknown option %s\n",*argv);
447			badops=1;
448			break;
449			}
450		argc--;
451		argv++;
452		}
453
454	if (badops)
455		{
456bad:
457		for (pp=x509_usage; (*pp != NULL); pp++)
458			BIO_printf(bio_err,"%s",*pp);
459		goto end;
460		}
461
462#ifndef OPENSSL_NO_ENGINE
463        e = setup_engine(bio_err, engine, 0);
464#endif
465
466	if (need_rand)
467		app_RAND_load_file(NULL, bio_err, 0);
468
469	ERR_load_crypto_strings();
470
471	if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
472		{
473		BIO_printf(bio_err, "Error getting password\n");
474		goto end;
475		}
476
477	if (!X509_STORE_set_default_paths(ctx))
478		{
479		ERR_print_errors(bio_err);
480		goto end;
481		}
482
483	if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
484		{ CAkeyfile=CAfile; }
485	else if ((CA_flag) && (CAkeyfile == NULL))
486		{
487		BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
488		goto end;
489		}
490
491	if (extfile)
492		{
493		long errorline = -1;
494		X509V3_CTX ctx2;
495		extconf = NCONF_new(NULL);
496		if (!NCONF_load(extconf, extfile,&errorline))
497			{
498			if (errorline <= 0)
499				BIO_printf(bio_err,
500					"error loading the config file '%s'\n",
501								extfile);
502                	else
503                        	BIO_printf(bio_err,
504				       "error on line %ld of config file '%s'\n"
505							,errorline,extfile);
506			goto end;
507			}
508		if (!extsect)
509			{
510			extsect = NCONF_get_string(extconf, "default", "extensions");
511			if (!extsect)
512				{
513				ERR_clear_error();
514				extsect = "default";
515				}
516			}
517		X509V3_set_ctx_test(&ctx2);
518		X509V3_set_nconf(&ctx2, extconf);
519		if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
520			{
521			BIO_printf(bio_err,
522				"Error Loading extension section %s\n",
523								 extsect);
524			ERR_print_errors(bio_err);
525			goto end;
526			}
527		}
528
529
530	if (reqfile)
531		{
532		EVP_PKEY *pkey;
533		X509_CINF *ci;
534		BIO *in;
535
536		if (!sign_flag && !CA_flag)
537			{
538			BIO_printf(bio_err,"We need a private key to sign with\n");
539			goto end;
540			}
541		in=BIO_new(BIO_s_file());
542		if (in == NULL)
543			{
544			ERR_print_errors(bio_err);
545			goto end;
546			}
547
548		if (infile == NULL)
549			BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
550		else
551			{
552			if (BIO_read_filename(in,infile) <= 0)
553				{
554				perror(infile);
555				BIO_free(in);
556				goto end;
557				}
558			}
559		req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
560		BIO_free(in);
561
562		if (req == NULL)
563			{
564			ERR_print_errors(bio_err);
565			goto end;
566			}
567
568		if (	(req->req_info == NULL) ||
569			(req->req_info->pubkey == NULL) ||
570			(req->req_info->pubkey->public_key == NULL) ||
571			(req->req_info->pubkey->public_key->data == NULL))
572			{
573			BIO_printf(bio_err,"The certificate request appears to corrupted\n");
574			BIO_printf(bio_err,"It does not contain a public key\n");
575			goto end;
576			}
577		if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
578	                {
579	                BIO_printf(bio_err,"error unpacking public key\n");
580	                goto end;
581	                }
582		i=X509_REQ_verify(req,pkey);
583		EVP_PKEY_free(pkey);
584		if (i < 0)
585			{
586			BIO_printf(bio_err,"Signature verification error\n");
587			ERR_print_errors(bio_err);
588			goto end;
589			}
590	        if (i == 0)
591			{
592			BIO_printf(bio_err,"Signature did not match the certificate request\n");
593			goto end;
594			}
595		else
596			BIO_printf(bio_err,"Signature ok\n");
597
598		print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
599
600		if ((x=X509_new()) == NULL) goto end;
601		ci=x->cert_info;
602
603		if (sno == NULL)
604			{
605			sno = ASN1_INTEGER_new();
606			if (!sno || !rand_serial(NULL, sno))
607				goto end;
608			if (!X509_set_serialNumber(x, sno))
609				goto end;
610			ASN1_INTEGER_free(sno);
611			sno = NULL;
612			}
613		else if (!X509_set_serialNumber(x, sno))
614			goto end;
615
616		if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
617		if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
618
619		X509_gmtime_adj(X509_get_notBefore(x),0);
620	        X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
621
622		pkey = X509_REQ_get_pubkey(req);
623		X509_set_pubkey(x,pkey);
624		EVP_PKEY_free(pkey);
625		}
626	else
627		x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
628
629	if (x == NULL) goto end;
630	if (CA_flag)
631		{
632		xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
633		if (xca == NULL) goto end;
634		}
635
636	if (!noout || text || next_serial)
637		{
638		OBJ_create("2.99999.3",
639			"SET.ex3","SET x509v3 extension 3");
640
641		out=BIO_new(BIO_s_file());
642		if (out == NULL)
643			{
644			ERR_print_errors(bio_err);
645			goto end;
646			}
647		if (outfile == NULL)
648			{
649			BIO_set_fp(out,stdout,BIO_NOCLOSE);
650#ifdef OPENSSL_SYS_VMS
651			{
652			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
653			out = BIO_push(tmpbio, out);
654			}
655#endif
656			}
657		else
658			{
659			if (BIO_write_filename(out,outfile) <= 0)
660				{
661				perror(outfile);
662				goto end;
663				}
664			}
665		}
666
667	if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
668
669	if (clrtrust) X509_trust_clear(x);
670	if (clrreject) X509_reject_clear(x);
671
672	if (trust)
673		{
674		for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
675			{
676			objtmp = sk_ASN1_OBJECT_value(trust, i);
677			X509_add1_trust_object(x, objtmp);
678			}
679		}
680
681	if (reject)
682		{
683		for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
684			{
685			objtmp = sk_ASN1_OBJECT_value(reject, i);
686			X509_add1_reject_object(x, objtmp);
687			}
688		}
689
690	if (num)
691		{
692		for (i=1; i<=num; i++)
693			{
694			if (issuer == i)
695				{
696				print_name(STDout, "issuer= ",
697					X509_get_issuer_name(x), nmflag);
698				}
699			else if (subject == i)
700				{
701				print_name(STDout, "subject= ",
702					X509_get_subject_name(x), nmflag);
703				}
704			else if (serial == i)
705				{
706				BIO_printf(STDout,"serial=");
707				i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
708				BIO_printf(STDout,"\n");
709				}
710			else if (next_serial == i)
711				{
712				BIGNUM *bnser;
713				ASN1_INTEGER *ser;
714				ser = X509_get_serialNumber(x);
715				bnser = ASN1_INTEGER_to_BN(ser, NULL);
716				if (!bnser)
717					goto end;
718				if (!BN_add_word(bnser, 1))
719					goto end;
720				ser = BN_to_ASN1_INTEGER(bnser, NULL);
721				if (!ser)
722					goto end;
723				BN_free(bnser);
724				i2a_ASN1_INTEGER(out, ser);
725				ASN1_INTEGER_free(ser);
726				BIO_puts(out, "\n");
727				}
728			else if (email == i)
729				{
730				int j;
731				STACK *emlst;
732				emlst = X509_get1_email(x);
733				for (j = 0; j < sk_num(emlst); j++)
734					BIO_printf(STDout, "%s\n", sk_value(emlst, j));
735				X509_email_free(emlst);
736				}
737			else if (aliasout == i)
738				{
739				unsigned char *alstr;
740				alstr = X509_alias_get0(x, NULL);
741				if (alstr) BIO_printf(STDout,"%s\n", alstr);
742				else BIO_puts(STDout,"<No Alias>\n");
743				}
744			else if (hash == i)
745				{
746				BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
747				}
748			else if (pprint == i)
749				{
750				X509_PURPOSE *ptmp;
751				int j;
752				BIO_printf(STDout, "Certificate purposes:\n");
753				for (j = 0; j < X509_PURPOSE_get_count(); j++)
754					{
755					ptmp = X509_PURPOSE_get0(j);
756					purpose_print(STDout, x, ptmp);
757					}
758				}
759			else
760				if (modulus == i)
761				{
762				EVP_PKEY *pkey;
763
764				pkey=X509_get_pubkey(x);
765				if (pkey == NULL)
766					{
767					BIO_printf(bio_err,"Modulus=unavailable\n");
768					ERR_print_errors(bio_err);
769					goto end;
770					}
771				BIO_printf(STDout,"Modulus=");
772#ifndef OPENSSL_NO_RSA
773				if (pkey->type == EVP_PKEY_RSA)
774					BN_print(STDout,pkey->pkey.rsa->n);
775				else
776#endif
777#ifndef OPENSSL_NO_DSA
778				if (pkey->type == EVP_PKEY_DSA)
779					BN_print(STDout,pkey->pkey.dsa->pub_key);
780				else
781#endif
782					BIO_printf(STDout,"Wrong Algorithm type");
783				BIO_printf(STDout,"\n");
784				EVP_PKEY_free(pkey);
785				}
786			else
787				if (pubkey == i)
788				{
789				EVP_PKEY *pkey;
790
791				pkey=X509_get_pubkey(x);
792				if (pkey == NULL)
793					{
794					BIO_printf(bio_err,"Error getting public key\n");
795					ERR_print_errors(bio_err);
796					goto end;
797					}
798				PEM_write_bio_PUBKEY(STDout, pkey);
799				EVP_PKEY_free(pkey);
800				}
801			else
802				if (C == i)
803				{
804				unsigned char *d;
805				char *m;
806				int y,z;
807
808				X509_NAME_oneline(X509_get_subject_name(x),
809					buf,sizeof buf);
810				BIO_printf(STDout,"/* subject:%s */\n",buf);
811				m=X509_NAME_oneline(
812					X509_get_issuer_name(x),buf,
813					sizeof buf);
814				BIO_printf(STDout,"/* issuer :%s */\n",buf);
815
816				z=i2d_X509(x,NULL);
817				m=OPENSSL_malloc(z);
818
819				d=(unsigned char *)m;
820				z=i2d_X509_NAME(X509_get_subject_name(x),&d);
821				BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
822				d=(unsigned char *)m;
823				for (y=0; y<z; y++)
824					{
825					BIO_printf(STDout,"0x%02X,",d[y]);
826					if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
827					}
828				if (y%16 != 0) BIO_printf(STDout,"\n");
829				BIO_printf(STDout,"};\n");
830
831				z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
832				BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
833				d=(unsigned char *)m;
834				for (y=0; y<z; y++)
835					{
836					BIO_printf(STDout,"0x%02X,",d[y]);
837					if ((y & 0x0f) == 0x0f)
838						BIO_printf(STDout,"\n");
839					}
840				if (y%16 != 0) BIO_printf(STDout,"\n");
841				BIO_printf(STDout,"};\n");
842
843				z=i2d_X509(x,&d);
844				BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
845				d=(unsigned char *)m;
846				for (y=0; y<z; y++)
847					{
848					BIO_printf(STDout,"0x%02X,",d[y]);
849					if ((y & 0x0f) == 0x0f)
850						BIO_printf(STDout,"\n");
851					}
852				if (y%16 != 0) BIO_printf(STDout,"\n");
853				BIO_printf(STDout,"};\n");
854
855				OPENSSL_free(m);
856				}
857			else if (text == i)
858				{
859				X509_print_ex(out,x,nmflag, certflag);
860				}
861			else if (startdate == i)
862				{
863				BIO_puts(STDout,"notBefore=");
864				ASN1_TIME_print(STDout,X509_get_notBefore(x));
865				BIO_puts(STDout,"\n");
866				}
867			else if (enddate == i)
868				{
869				BIO_puts(STDout,"notAfter=");
870				ASN1_TIME_print(STDout,X509_get_notAfter(x));
871				BIO_puts(STDout,"\n");
872				}
873			else if (fingerprint == i)
874				{
875				int j;
876				unsigned int n;
877				unsigned char md[EVP_MAX_MD_SIZE];
878
879				if (!X509_digest(x,digest,md,&n))
880					{
881					BIO_printf(bio_err,"out of memory\n");
882					goto end;
883					}
884				BIO_printf(STDout,"%s Fingerprint=",
885						OBJ_nid2sn(EVP_MD_type(digest)));
886				for (j=0; j<(int)n; j++)
887					{
888					BIO_printf(STDout,"%02X%c",md[j],
889						(j+1 == (int)n)
890						?'\n':':');
891					}
892				}
893
894			/* should be in the library */
895			else if ((sign_flag == i) && (x509req == 0))
896				{
897				BIO_printf(bio_err,"Getting Private key\n");
898				if (Upkey == NULL)
899					{
900					Upkey=load_key(bio_err,
901						keyfile, keyformat, 0,
902						passin, e, "Private key");
903					if (Upkey == NULL) goto end;
904					}
905#ifndef OPENSSL_NO_DSA
906		                if (Upkey->type == EVP_PKEY_DSA)
907		                        digest=EVP_dss1();
908#endif
909
910				assert(need_rand);
911				if (!sign(x,Upkey,days,clrext,digest,
912						 extconf, extsect)) goto end;
913				}
914			else if (CA_flag == i)
915				{
916				BIO_printf(bio_err,"Getting CA Private Key\n");
917				if (CAkeyfile != NULL)
918					{
919					CApkey=load_key(bio_err,
920						CAkeyfile, CAkeyformat,
921						0, passin, e,
922						"CA Private Key");
923					if (CApkey == NULL) goto end;
924					}
925#ifndef OPENSSL_NO_DSA
926		                if (CApkey->type == EVP_PKEY_DSA)
927		                        digest=EVP_dss1();
928#endif
929
930				assert(need_rand);
931				if (!x509_certify(ctx,CAfile,digest,x,xca,
932					CApkey, CAserial,CA_createserial,days, clrext,
933					extconf, extsect, sno))
934					goto end;
935				}
936			else if (x509req == i)
937				{
938				EVP_PKEY *pk;
939
940				BIO_printf(bio_err,"Getting request Private Key\n");
941				if (keyfile == NULL)
942					{
943					BIO_printf(bio_err,"no request key file specified\n");
944					goto end;
945					}
946				else
947					{
948					pk=load_key(bio_err,
949						keyfile, FORMAT_PEM, 0,
950						passin, e, "request key");
951					if (pk == NULL) goto end;
952					}
953
954				BIO_printf(bio_err,"Generating certificate request\n");
955
956#ifndef OPENSSL_NO_DSA
957		                if (pk->type == EVP_PKEY_DSA)
958		                        digest=EVP_dss1();
959#endif
960
961				rq=X509_to_X509_REQ(x,pk,digest);
962				EVP_PKEY_free(pk);
963				if (rq == NULL)
964					{
965					ERR_print_errors(bio_err);
966					goto end;
967					}
968				if (!noout)
969					{
970					X509_REQ_print(out,rq);
971					PEM_write_bio_X509_REQ(out,rq);
972					}
973				noout=1;
974				}
975			else if (ocspid == i)
976				{
977				X509_ocspid_print(out, x);
978				}
979			}
980		}
981
982	if (checkend)
983		{
984		time_t tcheck=time(NULL) + checkoffset;
985
986		if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
987			{
988			BIO_printf(out,"Certificate will expire\n");
989			ret=1;
990			}
991		else
992			{
993			BIO_printf(out,"Certificate will not expire\n");
994			ret=0;
995			}
996		goto end;
997		}
998
999	if (noout)
1000		{
1001		ret=0;
1002		goto end;
1003		}
1004
1005	if 	(outformat == FORMAT_ASN1)
1006		i=i2d_X509_bio(out,x);
1007	else if (outformat == FORMAT_PEM)
1008		{
1009		if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1010		else i=PEM_write_bio_X509(out,x);
1011		}
1012	else if (outformat == FORMAT_NETSCAPE)
1013		{
1014		ASN1_HEADER ah;
1015		ASN1_OCTET_STRING os;
1016
1017		os.data=(unsigned char *)NETSCAPE_CERT_HDR;
1018		os.length=strlen(NETSCAPE_CERT_HDR);
1019		ah.header= &os;
1020		ah.data=(char *)x;
1021		ah.meth=X509_asn1_meth();
1022
1023		/* no macro for this one yet */
1024		i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
1025		}
1026	else	{
1027		BIO_printf(bio_err,"bad output format specified for outfile\n");
1028		goto end;
1029		}
1030	if (!i)
1031		{
1032		BIO_printf(bio_err,"unable to write certificate\n");
1033		ERR_print_errors(bio_err);
1034		goto end;
1035		}
1036	ret=0;
1037end:
1038	if (need_rand)
1039		app_RAND_write_file(NULL, bio_err);
1040	OBJ_cleanup();
1041	NCONF_free(extconf);
1042	BIO_free_all(out);
1043	BIO_free_all(STDout);
1044	X509_STORE_free(ctx);
1045	X509_REQ_free(req);
1046	X509_free(x);
1047	X509_free(xca);
1048	EVP_PKEY_free(Upkey);
1049	EVP_PKEY_free(CApkey);
1050	X509_REQ_free(rq);
1051	ASN1_INTEGER_free(sno);
1052	sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1053	sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1054	if (passin) OPENSSL_free(passin);
1055	apps_shutdown();
1056	OPENSSL_EXIT(ret);
1057	}
1058
1059static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1060	{
1061	char *buf = NULL, *p;
1062	ASN1_INTEGER *bs = NULL;
1063	BIGNUM *serial = NULL;
1064	size_t len;
1065
1066	len = ((serialfile == NULL)
1067		?(strlen(CAfile)+strlen(POSTFIX)+1)
1068		:(strlen(serialfile)))+1;
1069	buf=OPENSSL_malloc(len);
1070	if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1071	if (serialfile == NULL)
1072		{
1073		BUF_strlcpy(buf,CAfile,len);
1074		for (p=buf; *p; p++)
1075			if (*p == '.')
1076				{
1077				*p='\0';
1078				break;
1079				}
1080		BUF_strlcat(buf,POSTFIX,len);
1081		}
1082	else
1083		BUF_strlcpy(buf,serialfile,len);
1084
1085	serial = load_serial(buf, create, NULL);
1086	if (serial == NULL) goto end;
1087
1088	if (!BN_add_word(serial,1))
1089		{ BIO_printf(bio_err,"add_word failure\n"); goto end; }
1090
1091	if (!save_serial(buf, NULL, serial, &bs)) goto end;
1092
1093 end:
1094	if (buf) OPENSSL_free(buf);
1095	BN_free(serial);
1096	return bs;
1097	}
1098
1099static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1100	     X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1101	     int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1102	{
1103	int ret=0;
1104	ASN1_INTEGER *bs=NULL;
1105	X509_STORE_CTX xsc;
1106	EVP_PKEY *upkey;
1107
1108	upkey = X509_get_pubkey(xca);
1109	EVP_PKEY_copy_parameters(upkey,pkey);
1110	EVP_PKEY_free(upkey);
1111
1112	if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1113		{
1114		BIO_printf(bio_err,"Error initialising X509 store\n");
1115		goto end;
1116		}
1117	if (sno) bs = sno;
1118	else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1119		goto end;
1120
1121/*	if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1122
1123	/* NOTE: this certificate can/should be self signed, unless it was
1124	 * a certificate request in which case it is not. */
1125	X509_STORE_CTX_set_cert(&xsc,x);
1126	if (!reqfile && !X509_verify_cert(&xsc))
1127		goto end;
1128
1129	if (!X509_check_private_key(xca,pkey))
1130		{
1131		BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1132		goto end;
1133		}
1134
1135	if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1136	if (!X509_set_serialNumber(x,bs)) goto end;
1137
1138	if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1139		goto end;
1140
1141	/* hardwired expired */
1142	if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1143		goto end;
1144
1145	if (clrext)
1146		{
1147		while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1148		}
1149
1150	if (conf)
1151		{
1152		X509V3_CTX ctx2;
1153		X509_set_version(x,2); /* version 3 certificate */
1154                X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1155                X509V3_set_nconf(&ctx2, conf);
1156                if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1157		}
1158
1159	if (!X509_sign(x,pkey,digest)) goto end;
1160	ret=1;
1161end:
1162	X509_STORE_CTX_cleanup(&xsc);
1163	if (!ret)
1164		ERR_print_errors(bio_err);
1165	if (!sno) ASN1_INTEGER_free(bs);
1166	return ret;
1167	}
1168
1169static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1170	{
1171	int err;
1172	X509 *err_cert;
1173
1174	/* it is ok to use a self signed certificate
1175	 * This case will catch both the initial ok == 0 and the
1176	 * final ok == 1 calls to this function */
1177	err=X509_STORE_CTX_get_error(ctx);
1178	if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1179		return 1;
1180
1181	/* BAD we should have gotten an error.  Normally if everything
1182	 * worked X509_STORE_CTX_get_error(ctx) will still be set to
1183	 * DEPTH_ZERO_SELF_.... */
1184	if (ok)
1185		{
1186		BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1187		return 0;
1188		}
1189	else
1190		{
1191		err_cert=X509_STORE_CTX_get_current_cert(ctx);
1192		print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1193		BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1194			err,X509_STORE_CTX_get_error_depth(ctx),
1195			X509_verify_cert_error_string(err));
1196		return 1;
1197		}
1198	}
1199
1200/* self sign */
1201static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1202						CONF *conf, char *section)
1203	{
1204
1205	EVP_PKEY *pktmp;
1206
1207	pktmp = X509_get_pubkey(x);
1208	EVP_PKEY_copy_parameters(pktmp,pkey);
1209	EVP_PKEY_save_parameters(pktmp,1);
1210	EVP_PKEY_free(pktmp);
1211
1212	if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1213	if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1214
1215	/* Lets just make it 12:00am GMT, Jan 1 1970 */
1216	/* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1217	/* 28 days to be certified */
1218
1219	if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1220		goto err;
1221
1222	if (!X509_set_pubkey(x,pkey)) goto err;
1223	if (clrext)
1224		{
1225		while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1226		}
1227	if (conf)
1228		{
1229		X509V3_CTX ctx;
1230		X509_set_version(x,2); /* version 3 certificate */
1231                X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1232                X509V3_set_nconf(&ctx, conf);
1233                if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1234		}
1235	if (!X509_sign(x,pkey,digest)) goto err;
1236	return 1;
1237err:
1238	ERR_print_errors(bio_err);
1239	return 0;
1240	}
1241
1242static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1243{
1244	int id, i, idret;
1245	char *pname;
1246	id = X509_PURPOSE_get_id(pt);
1247	pname = X509_PURPOSE_get0_name(pt);
1248	for (i = 0; i < 2; i++)
1249		{
1250		idret = X509_check_purpose(cert, id, i);
1251		BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1252		if (idret == 1) BIO_printf(bio, "Yes\n");
1253		else if (idret == 0) BIO_printf(bio, "No\n");
1254		else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1255		}
1256	return 1;
1257}
1258