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
90static 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",
153NULL
154};
155
156static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
157static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
158						CONF *conf, char *section);
159static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
160			 X509 *x,X509 *xca,EVP_PKEY *pkey,
161			 STACK_OF(OPENSSL_STRING) *sigopts,
162			 char *serial, int create ,int days, int clrext,
163			 CONF *conf, char *section, ASN1_INTEGER *sno);
164static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
165static int reqfile=0;
166
167int MAIN(int, char **);
168
169int MAIN(int argc, char **argv)
170	{
171	ENGINE *e = NULL;
172	int ret=1;
173	X509_REQ *req=NULL;
174	X509 *x=NULL,*xca=NULL;
175	ASN1_OBJECT *objtmp;
176	STACK_OF(OPENSSL_STRING) *sigopts = NULL;
177	EVP_PKEY *Upkey=NULL,*CApkey=NULL;
178	ASN1_INTEGER *sno = NULL;
179	int i,num,badops=0;
180	BIO *out=NULL;
181	BIO *STDout=NULL;
182	STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
183	int informat,outformat,keyformat,CAformat,CAkeyformat;
184	char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
185	char *CAkeyfile=NULL,*CAserial=NULL;
186	char *alias=NULL;
187	int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
188	int next_serial=0;
189	int subject_hash=0,issuer_hash=0,ocspid=0;
190#ifndef OPENSSL_NO_MD5
191	int subject_hash_old=0,issuer_hash_old=0;
192#endif
193	int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
194	int ocsp_uri=0;
195	int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
196	int C=0;
197	int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
198	int pprint = 0;
199	const char **pp;
200	X509_STORE *ctx=NULL;
201	X509_REQ *rq=NULL;
202	int fingerprint=0;
203	char buf[256];
204	const EVP_MD *md_alg,*digest=NULL;
205	CONF *extconf = NULL;
206	char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
207	int need_rand = 0;
208	int checkend=0,checkoffset=0;
209	unsigned long nmflag = 0, certflag = 0;
210#ifndef OPENSSL_NO_ENGINE
211	char *engine=NULL;
212#endif
213
214	reqfile=0;
215
216	apps_startup();
217
218	if (bio_err == NULL)
219		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
220
221	if (!load_config(bio_err, NULL))
222		goto end;
223	STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
224#ifdef OPENSSL_SYS_VMS
225	{
226	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
227	STDout = BIO_push(tmpbio, STDout);
228	}
229#endif
230
231	informat=FORMAT_PEM;
232	outformat=FORMAT_PEM;
233	keyformat=FORMAT_PEM;
234	CAformat=FORMAT_PEM;
235	CAkeyformat=FORMAT_PEM;
236
237	ctx=X509_STORE_new();
238	if (ctx == NULL) goto end;
239	X509_STORE_set_verify_cb(ctx,callb);
240
241	argc--;
242	argv++;
243	num=0;
244	while (argc >= 1)
245		{
246		if 	(strcmp(*argv,"-inform") == 0)
247			{
248			if (--argc < 1) goto bad;
249			informat=str2fmt(*(++argv));
250			}
251		else if (strcmp(*argv,"-outform") == 0)
252			{
253			if (--argc < 1) goto bad;
254			outformat=str2fmt(*(++argv));
255			}
256		else if (strcmp(*argv,"-keyform") == 0)
257			{
258			if (--argc < 1) goto bad;
259			keyformat=str2fmt(*(++argv));
260			}
261		else if (strcmp(*argv,"-req") == 0)
262			{
263			reqfile=1;
264			need_rand = 1;
265			}
266		else if (strcmp(*argv,"-CAform") == 0)
267			{
268			if (--argc < 1) goto bad;
269			CAformat=str2fmt(*(++argv));
270			}
271		else if (strcmp(*argv,"-CAkeyform") == 0)
272			{
273			if (--argc < 1) goto bad;
274			CAkeyformat=str2fmt(*(++argv));
275			}
276		else if (strcmp(*argv,"-sigopt") == 0)
277			{
278			if (--argc < 1)
279				goto bad;
280			if (!sigopts)
281				sigopts = sk_OPENSSL_STRING_new_null();
282			if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
283				goto bad;
284			}
285		else if (strcmp(*argv,"-days") == 0)
286			{
287			if (--argc < 1) goto bad;
288			days=atoi(*(++argv));
289			if (days == 0)
290				{
291				BIO_printf(bio_err,"bad number of days\n");
292				goto bad;
293				}
294			}
295		else if (strcmp(*argv,"-passin") == 0)
296			{
297			if (--argc < 1) goto bad;
298			passargin= *(++argv);
299			}
300		else if (strcmp(*argv,"-extfile") == 0)
301			{
302			if (--argc < 1) goto bad;
303			extfile= *(++argv);
304			}
305		else if (strcmp(*argv,"-extensions") == 0)
306			{
307			if (--argc < 1) goto bad;
308			extsect= *(++argv);
309			}
310		else if (strcmp(*argv,"-in") == 0)
311			{
312			if (--argc < 1) goto bad;
313			infile= *(++argv);
314			}
315		else if (strcmp(*argv,"-out") == 0)
316			{
317			if (--argc < 1) goto bad;
318			outfile= *(++argv);
319			}
320		else if (strcmp(*argv,"-signkey") == 0)
321			{
322			if (--argc < 1) goto bad;
323			keyfile= *(++argv);
324			sign_flag= ++num;
325			need_rand = 1;
326			}
327		else if (strcmp(*argv,"-CA") == 0)
328			{
329			if (--argc < 1) goto bad;
330			CAfile= *(++argv);
331			CA_flag= ++num;
332			need_rand = 1;
333			}
334		else if (strcmp(*argv,"-CAkey") == 0)
335			{
336			if (--argc < 1) goto bad;
337			CAkeyfile= *(++argv);
338			}
339		else if (strcmp(*argv,"-CAserial") == 0)
340			{
341			if (--argc < 1) goto bad;
342			CAserial= *(++argv);
343			}
344		else if (strcmp(*argv,"-set_serial") == 0)
345			{
346			if (--argc < 1) goto bad;
347			if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
348				goto bad;
349			}
350		else if (strcmp(*argv,"-addtrust") == 0)
351			{
352			if (--argc < 1) goto bad;
353			if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
354				{
355				BIO_printf(bio_err,
356					"Invalid trust object value %s\n", *argv);
357				goto bad;
358				}
359			if (!trust) trust = sk_ASN1_OBJECT_new_null();
360			sk_ASN1_OBJECT_push(trust, objtmp);
361			trustout = 1;
362			}
363		else if (strcmp(*argv,"-addreject") == 0)
364			{
365			if (--argc < 1) goto bad;
366			if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
367				{
368				BIO_printf(bio_err,
369					"Invalid reject object value %s\n", *argv);
370				goto bad;
371				}
372			if (!reject) reject = sk_ASN1_OBJECT_new_null();
373			sk_ASN1_OBJECT_push(reject, objtmp);
374			trustout = 1;
375			}
376		else if (strcmp(*argv,"-setalias") == 0)
377			{
378			if (--argc < 1) goto bad;
379			alias= *(++argv);
380			trustout = 1;
381			}
382		else if (strcmp(*argv,"-certopt") == 0)
383			{
384			if (--argc < 1) goto bad;
385			if (!set_cert_ex(&certflag, *(++argv))) goto bad;
386			}
387		else if (strcmp(*argv,"-nameopt") == 0)
388			{
389			if (--argc < 1) goto bad;
390			if (!set_name_ex(&nmflag, *(++argv))) goto bad;
391			}
392#ifndef OPENSSL_NO_ENGINE
393		else if (strcmp(*argv,"-engine") == 0)
394			{
395			if (--argc < 1) goto bad;
396			engine= *(++argv);
397			}
398#endif
399		else if (strcmp(*argv,"-C") == 0)
400			C= ++num;
401		else if (strcmp(*argv,"-email") == 0)
402			email= ++num;
403		else if (strcmp(*argv,"-ocsp_uri") == 0)
404			ocsp_uri= ++num;
405		else if (strcmp(*argv,"-serial") == 0)
406			serial= ++num;
407		else if (strcmp(*argv,"-next_serial") == 0)
408			next_serial= ++num;
409		else if (strcmp(*argv,"-modulus") == 0)
410			modulus= ++num;
411		else if (strcmp(*argv,"-pubkey") == 0)
412			pubkey= ++num;
413		else if (strcmp(*argv,"-x509toreq") == 0)
414			x509req= ++num;
415		else if (strcmp(*argv,"-text") == 0)
416			text= ++num;
417		else if (strcmp(*argv,"-hash") == 0
418			|| strcmp(*argv,"-subject_hash") == 0)
419			subject_hash= ++num;
420#ifndef OPENSSL_NO_MD5
421		else if (strcmp(*argv,"-subject_hash_old") == 0)
422			subject_hash_old= ++num;
423#endif
424		else if (strcmp(*argv,"-issuer_hash") == 0)
425			issuer_hash= ++num;
426#ifndef OPENSSL_NO_MD5
427		else if (strcmp(*argv,"-issuer_hash_old") == 0)
428			issuer_hash_old= ++num;
429#endif
430		else if (strcmp(*argv,"-subject") == 0)
431			subject= ++num;
432		else if (strcmp(*argv,"-issuer") == 0)
433			issuer= ++num;
434		else if (strcmp(*argv,"-fingerprint") == 0)
435			fingerprint= ++num;
436		else if (strcmp(*argv,"-dates") == 0)
437			{
438			startdate= ++num;
439			enddate= ++num;
440			}
441		else if (strcmp(*argv,"-purpose") == 0)
442			pprint= ++num;
443		else if (strcmp(*argv,"-startdate") == 0)
444			startdate= ++num;
445		else if (strcmp(*argv,"-enddate") == 0)
446			enddate= ++num;
447		else if (strcmp(*argv,"-checkend") == 0)
448			{
449			if (--argc < 1) goto bad;
450			checkoffset=atoi(*(++argv));
451			checkend=1;
452			}
453		else if (strcmp(*argv,"-noout") == 0)
454			noout= ++num;
455		else if (strcmp(*argv,"-trustout") == 0)
456			trustout= 1;
457		else if (strcmp(*argv,"-clrtrust") == 0)
458			clrtrust= ++num;
459		else if (strcmp(*argv,"-clrreject") == 0)
460			clrreject= ++num;
461		else if (strcmp(*argv,"-alias") == 0)
462			aliasout= ++num;
463		else if (strcmp(*argv,"-CAcreateserial") == 0)
464			CA_createserial= ++num;
465		else if (strcmp(*argv,"-clrext") == 0)
466			clrext = 1;
467#if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
468		else if (strcmp(*argv,"-crlext") == 0)
469			{
470			BIO_printf(bio_err,"use -clrext instead of -crlext\n");
471			clrext = 1;
472			}
473#endif
474		else if (strcmp(*argv,"-ocspid") == 0)
475			ocspid= ++num;
476		else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
477			{
478			/* ok */
479			digest=md_alg;
480			}
481		else
482			{
483			BIO_printf(bio_err,"unknown option %s\n",*argv);
484			badops=1;
485			break;
486			}
487		argc--;
488		argv++;
489		}
490
491	if (badops)
492		{
493bad:
494		for (pp=x509_usage; (*pp != NULL); pp++)
495			BIO_printf(bio_err,"%s",*pp);
496		goto end;
497		}
498
499#ifndef OPENSSL_NO_ENGINE
500        e = setup_engine(bio_err, engine, 0);
501#endif
502
503	if (need_rand)
504		app_RAND_load_file(NULL, bio_err, 0);
505
506	ERR_load_crypto_strings();
507
508	if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
509		{
510		BIO_printf(bio_err, "Error getting password\n");
511		goto end;
512		}
513
514	if (!X509_STORE_set_default_paths(ctx))
515		{
516		ERR_print_errors(bio_err);
517		goto end;
518		}
519
520	if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
521		{ CAkeyfile=CAfile; }
522	else if ((CA_flag) && (CAkeyfile == NULL))
523		{
524		BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
525		goto end;
526		}
527
528	if (extfile)
529		{
530		long errorline = -1;
531		X509V3_CTX ctx2;
532		extconf = NCONF_new(NULL);
533		if (!NCONF_load(extconf, extfile,&errorline))
534			{
535			if (errorline <= 0)
536				BIO_printf(bio_err,
537					"error loading the config file '%s'\n",
538								extfile);
539                	else
540                        	BIO_printf(bio_err,
541				       "error on line %ld of config file '%s'\n"
542							,errorline,extfile);
543			goto end;
544			}
545		if (!extsect)
546			{
547			extsect = NCONF_get_string(extconf, "default", "extensions");
548			if (!extsect)
549				{
550				ERR_clear_error();
551				extsect = "default";
552				}
553			}
554		X509V3_set_ctx_test(&ctx2);
555		X509V3_set_nconf(&ctx2, extconf);
556		if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
557			{
558			BIO_printf(bio_err,
559				"Error Loading extension section %s\n",
560								 extsect);
561			ERR_print_errors(bio_err);
562			goto end;
563			}
564		}
565
566
567	if (reqfile)
568		{
569		EVP_PKEY *pkey;
570		BIO *in;
571
572		if (!sign_flag && !CA_flag)
573			{
574			BIO_printf(bio_err,"We need a private key to sign with\n");
575			goto end;
576			}
577		in=BIO_new(BIO_s_file());
578		if (in == NULL)
579			{
580			ERR_print_errors(bio_err);
581			goto end;
582			}
583
584		if (infile == NULL)
585			BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
586		else
587			{
588			if (BIO_read_filename(in,infile) <= 0)
589				{
590				perror(infile);
591				BIO_free(in);
592				goto end;
593				}
594			}
595		req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
596		BIO_free(in);
597
598		if (req == NULL)
599			{
600			ERR_print_errors(bio_err);
601			goto end;
602			}
603
604		if (	(req->req_info == NULL) ||
605			(req->req_info->pubkey == NULL) ||
606			(req->req_info->pubkey->public_key == NULL) ||
607			(req->req_info->pubkey->public_key->data == NULL))
608			{
609			BIO_printf(bio_err,"The certificate request appears to corrupted\n");
610			BIO_printf(bio_err,"It does not contain a public key\n");
611			goto end;
612			}
613		if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
614	                {
615	                BIO_printf(bio_err,"error unpacking public key\n");
616	                goto end;
617	                }
618		i=X509_REQ_verify(req,pkey);
619		EVP_PKEY_free(pkey);
620		if (i < 0)
621			{
622			BIO_printf(bio_err,"Signature verification error\n");
623			ERR_print_errors(bio_err);
624			goto end;
625			}
626	        if (i == 0)
627			{
628			BIO_printf(bio_err,"Signature did not match the certificate request\n");
629			goto end;
630			}
631		else
632			BIO_printf(bio_err,"Signature ok\n");
633
634		print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
635
636		if ((x=X509_new()) == NULL) goto end;
637
638		if (sno == NULL)
639			{
640			sno = ASN1_INTEGER_new();
641			if (!sno || !rand_serial(NULL, sno))
642				goto end;
643			if (!X509_set_serialNumber(x, sno))
644				goto end;
645			ASN1_INTEGER_free(sno);
646			sno = NULL;
647			}
648		else if (!X509_set_serialNumber(x, sno))
649			goto end;
650
651		if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
652		if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
653
654		X509_gmtime_adj(X509_get_notBefore(x),0);
655	        X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL);
656
657		pkey = X509_REQ_get_pubkey(req);
658		X509_set_pubkey(x,pkey);
659		EVP_PKEY_free(pkey);
660		}
661	else
662		x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
663
664	if (x == NULL) goto end;
665	if (CA_flag)
666		{
667		xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
668		if (xca == NULL) goto end;
669		}
670
671	if (!noout || text || next_serial)
672		{
673		OBJ_create("2.99999.3",
674			"SET.ex3","SET x509v3 extension 3");
675
676		out=BIO_new(BIO_s_file());
677		if (out == NULL)
678			{
679			ERR_print_errors(bio_err);
680			goto end;
681			}
682		if (outfile == NULL)
683			{
684			BIO_set_fp(out,stdout,BIO_NOCLOSE);
685#ifdef OPENSSL_SYS_VMS
686			{
687			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
688			out = BIO_push(tmpbio, out);
689			}
690#endif
691			}
692		else
693			{
694			if (BIO_write_filename(out,outfile) <= 0)
695				{
696				perror(outfile);
697				goto end;
698				}
699			}
700		}
701
702	if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
703
704	if (clrtrust) X509_trust_clear(x);
705	if (clrreject) X509_reject_clear(x);
706
707	if (trust)
708		{
709		for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
710			{
711			objtmp = sk_ASN1_OBJECT_value(trust, i);
712			X509_add1_trust_object(x, objtmp);
713			}
714		}
715
716	if (reject)
717		{
718		for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
719			{
720			objtmp = sk_ASN1_OBJECT_value(reject, i);
721			X509_add1_reject_object(x, objtmp);
722			}
723		}
724
725	if (num)
726		{
727		for (i=1; i<=num; i++)
728			{
729			if (issuer == i)
730				{
731				print_name(STDout, "issuer= ",
732					X509_get_issuer_name(x), nmflag);
733				}
734			else if (subject == i)
735				{
736				print_name(STDout, "subject= ",
737					X509_get_subject_name(x), nmflag);
738				}
739			else if (serial == i)
740				{
741				BIO_printf(STDout,"serial=");
742				i2a_ASN1_INTEGER(STDout,
743					X509_get_serialNumber(x));
744				BIO_printf(STDout,"\n");
745				}
746			else if (next_serial == i)
747				{
748				BIGNUM *bnser;
749				ASN1_INTEGER *ser;
750				ser = X509_get_serialNumber(x);
751				bnser = ASN1_INTEGER_to_BN(ser, NULL);
752				if (!bnser)
753					goto end;
754				if (!BN_add_word(bnser, 1))
755					goto end;
756				ser = BN_to_ASN1_INTEGER(bnser, NULL);
757				if (!ser)
758					goto end;
759				BN_free(bnser);
760				i2a_ASN1_INTEGER(out, ser);
761				ASN1_INTEGER_free(ser);
762				BIO_puts(out, "\n");
763				}
764			else if ((email == i) || (ocsp_uri == i))
765				{
766				int j;
767				STACK_OF(OPENSSL_STRING) *emlst;
768				if (email == i)
769					emlst = X509_get1_email(x);
770				else
771					emlst = X509_get1_ocsp(x);
772				for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
773					BIO_printf(STDout, "%s\n",
774						   sk_OPENSSL_STRING_value(emlst, j));
775				X509_email_free(emlst);
776				}
777			else if (aliasout == i)
778				{
779				unsigned char *alstr;
780				alstr = X509_alias_get0(x, NULL);
781				if (alstr) BIO_printf(STDout,"%s\n", alstr);
782				else BIO_puts(STDout,"<No Alias>\n");
783				}
784			else if (subject_hash == i)
785				{
786				BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
787				}
788#ifndef OPENSSL_NO_MD5
789			else if (subject_hash_old == i)
790				{
791				BIO_printf(STDout,"%08lx\n",X509_subject_name_hash_old(x));
792				}
793#endif
794			else if (issuer_hash == i)
795				{
796				BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
797				}
798#ifndef OPENSSL_NO_MD5
799			else if (issuer_hash_old == i)
800				{
801				BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash_old(x));
802				}
803#endif
804			else if (pprint == i)
805				{
806				X509_PURPOSE *ptmp;
807				int j;
808				BIO_printf(STDout, "Certificate purposes:\n");
809				for (j = 0; j < X509_PURPOSE_get_count(); j++)
810					{
811					ptmp = X509_PURPOSE_get0(j);
812					purpose_print(STDout, x, ptmp);
813					}
814				}
815			else
816				if (modulus == i)
817				{
818				EVP_PKEY *pkey;
819
820				pkey=X509_get_pubkey(x);
821				if (pkey == NULL)
822					{
823					BIO_printf(bio_err,"Modulus=unavailable\n");
824					ERR_print_errors(bio_err);
825					goto end;
826					}
827				BIO_printf(STDout,"Modulus=");
828#ifndef OPENSSL_NO_RSA
829				if (pkey->type == EVP_PKEY_RSA)
830					BN_print(STDout,pkey->pkey.rsa->n);
831				else
832#endif
833#ifndef OPENSSL_NO_DSA
834				if (pkey->type == EVP_PKEY_DSA)
835					BN_print(STDout,pkey->pkey.dsa->pub_key);
836				else
837#endif
838					BIO_printf(STDout,"Wrong Algorithm type");
839				BIO_printf(STDout,"\n");
840				EVP_PKEY_free(pkey);
841				}
842			else
843				if (pubkey == i)
844				{
845				EVP_PKEY *pkey;
846
847				pkey=X509_get_pubkey(x);
848				if (pkey == NULL)
849					{
850					BIO_printf(bio_err,"Error getting public key\n");
851					ERR_print_errors(bio_err);
852					goto end;
853					}
854				PEM_write_bio_PUBKEY(STDout, pkey);
855				EVP_PKEY_free(pkey);
856				}
857			else
858				if (C == i)
859				{
860				unsigned char *d;
861				char *m;
862				int y,z;
863
864				X509_NAME_oneline(X509_get_subject_name(x),
865					buf,sizeof buf);
866				BIO_printf(STDout,"/* subject:%s */\n",buf);
867				m=X509_NAME_oneline(
868					X509_get_issuer_name(x),buf,
869					sizeof buf);
870				BIO_printf(STDout,"/* issuer :%s */\n",buf);
871
872				z=i2d_X509(x,NULL);
873				m=OPENSSL_malloc(z);
874
875				d=(unsigned char *)m;
876				z=i2d_X509_NAME(X509_get_subject_name(x),&d);
877				BIO_printf(STDout,"unsigned char XXX_subject_name[%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) BIO_printf(STDout,"\n");
883					}
884				if (y%16 != 0) BIO_printf(STDout,"\n");
885				BIO_printf(STDout,"};\n");
886
887				z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
888				BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
889				d=(unsigned char *)m;
890				for (y=0; y<z; y++)
891					{
892					BIO_printf(STDout,"0x%02X,",d[y]);
893					if ((y & 0x0f) == 0x0f)
894						BIO_printf(STDout,"\n");
895					}
896				if (y%16 != 0) BIO_printf(STDout,"\n");
897				BIO_printf(STDout,"};\n");
898
899				z=i2d_X509(x,&d);
900				BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
901				d=(unsigned char *)m;
902				for (y=0; y<z; y++)
903					{
904					BIO_printf(STDout,"0x%02X,",d[y]);
905					if ((y & 0x0f) == 0x0f)
906						BIO_printf(STDout,"\n");
907					}
908				if (y%16 != 0) BIO_printf(STDout,"\n");
909				BIO_printf(STDout,"};\n");
910
911				OPENSSL_free(m);
912				}
913			else if (text == i)
914				{
915				X509_print_ex(STDout,x,nmflag, certflag);
916				}
917			else if (startdate == i)
918				{
919				BIO_puts(STDout,"notBefore=");
920				ASN1_TIME_print(STDout,X509_get_notBefore(x));
921				BIO_puts(STDout,"\n");
922				}
923			else if (enddate == i)
924				{
925				BIO_puts(STDout,"notAfter=");
926				ASN1_TIME_print(STDout,X509_get_notAfter(x));
927				BIO_puts(STDout,"\n");
928				}
929			else if (fingerprint == i)
930				{
931				int j;
932				unsigned int n;
933				unsigned char md[EVP_MAX_MD_SIZE];
934				const EVP_MD *fdig = digest;
935
936				if (!fdig)
937					fdig = EVP_sha1();
938
939				if (!X509_digest(x,fdig,md,&n))
940					{
941					BIO_printf(bio_err,"out of memory\n");
942					goto end;
943					}
944				BIO_printf(STDout,"%s Fingerprint=",
945						OBJ_nid2sn(EVP_MD_type(fdig)));
946				for (j=0; j<(int)n; j++)
947					{
948					BIO_printf(STDout,"%02X%c",md[j],
949						(j+1 == (int)n)
950						?'\n':':');
951					}
952				}
953
954			/* should be in the library */
955			else if ((sign_flag == i) && (x509req == 0))
956				{
957				BIO_printf(bio_err,"Getting Private key\n");
958				if (Upkey == NULL)
959					{
960					Upkey=load_key(bio_err,
961						keyfile, keyformat, 0,
962						passin, e, "Private key");
963					if (Upkey == NULL) goto end;
964					}
965
966				assert(need_rand);
967				if (!sign(x,Upkey,days,clrext,digest,
968						 extconf, extsect)) goto end;
969				}
970			else if (CA_flag == i)
971				{
972				BIO_printf(bio_err,"Getting CA Private Key\n");
973				if (CAkeyfile != NULL)
974					{
975					CApkey=load_key(bio_err,
976						CAkeyfile, CAkeyformat,
977						0, passin, e,
978						"CA Private Key");
979					if (CApkey == NULL) goto end;
980					}
981
982				assert(need_rand);
983				if (!x509_certify(ctx,CAfile,digest,x,xca,
984					CApkey, sigopts,
985					CAserial,CA_createserial,days, clrext,
986					extconf, extsect, sno))
987					goto end;
988				}
989			else if (x509req == i)
990				{
991				EVP_PKEY *pk;
992
993				BIO_printf(bio_err,"Getting request Private Key\n");
994				if (keyfile == NULL)
995					{
996					BIO_printf(bio_err,"no request key file specified\n");
997					goto end;
998					}
999				else
1000					{
1001					pk=load_key(bio_err,
1002						keyfile, keyformat, 0,
1003						passin, e, "request key");
1004					if (pk == NULL) goto end;
1005					}
1006
1007				BIO_printf(bio_err,"Generating certificate request\n");
1008
1009				rq=X509_to_X509_REQ(x,pk,digest);
1010				EVP_PKEY_free(pk);
1011				if (rq == NULL)
1012					{
1013					ERR_print_errors(bio_err);
1014					goto end;
1015					}
1016				if (!noout)
1017					{
1018					X509_REQ_print(out,rq);
1019					PEM_write_bio_X509_REQ(out,rq);
1020					}
1021				noout=1;
1022				}
1023			else if (ocspid == i)
1024				{
1025				X509_ocspid_print(out, x);
1026				}
1027			}
1028		}
1029
1030	if (checkend)
1031		{
1032		time_t tcheck=time(NULL) + checkoffset;
1033
1034		if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
1035			{
1036			BIO_printf(out,"Certificate will expire\n");
1037			ret=1;
1038			}
1039		else
1040			{
1041			BIO_printf(out,"Certificate will not expire\n");
1042			ret=0;
1043			}
1044		goto end;
1045		}
1046
1047	if (noout)
1048		{
1049		ret=0;
1050		goto end;
1051		}
1052
1053	if 	(outformat == FORMAT_ASN1)
1054		i=i2d_X509_bio(out,x);
1055	else if (outformat == FORMAT_PEM)
1056		{
1057		if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1058		else i=PEM_write_bio_X509(out,x);
1059		}
1060	else if (outformat == FORMAT_NETSCAPE)
1061		{
1062		NETSCAPE_X509 nx;
1063		ASN1_OCTET_STRING hdr;
1064
1065		hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
1066		hdr.length=strlen(NETSCAPE_CERT_HDR);
1067		nx.header= &hdr;
1068		nx.cert=x;
1069
1070		i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
1071		}
1072	else	{
1073		BIO_printf(bio_err,"bad output format specified for outfile\n");
1074		goto end;
1075		}
1076	if (!i)
1077		{
1078		BIO_printf(bio_err,"unable to write certificate\n");
1079		ERR_print_errors(bio_err);
1080		goto end;
1081		}
1082	ret=0;
1083end:
1084	if (need_rand)
1085		app_RAND_write_file(NULL, bio_err);
1086	OBJ_cleanup();
1087	NCONF_free(extconf);
1088	BIO_free_all(out);
1089	BIO_free_all(STDout);
1090	X509_STORE_free(ctx);
1091	X509_REQ_free(req);
1092	X509_free(x);
1093	X509_free(xca);
1094	EVP_PKEY_free(Upkey);
1095	EVP_PKEY_free(CApkey);
1096	if (sigopts)
1097		sk_OPENSSL_STRING_free(sigopts);
1098	X509_REQ_free(rq);
1099	ASN1_INTEGER_free(sno);
1100	sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1101	sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1102	if (passin) OPENSSL_free(passin);
1103	apps_shutdown();
1104	OPENSSL_EXIT(ret);
1105	}
1106
1107static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1108	{
1109	char *buf = NULL, *p;
1110	ASN1_INTEGER *bs = NULL;
1111	BIGNUM *serial = NULL;
1112	size_t len;
1113
1114	len = ((serialfile == NULL)
1115		?(strlen(CAfile)+strlen(POSTFIX)+1)
1116		:(strlen(serialfile)))+1;
1117	buf=OPENSSL_malloc(len);
1118	if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1119	if (serialfile == NULL)
1120		{
1121		BUF_strlcpy(buf,CAfile,len);
1122		for (p=buf; *p; p++)
1123			if (*p == '.')
1124				{
1125				*p='\0';
1126				break;
1127				}
1128		BUF_strlcat(buf,POSTFIX,len);
1129		}
1130	else
1131		BUF_strlcpy(buf,serialfile,len);
1132
1133	serial = load_serial(buf, create, NULL);
1134	if (serial == NULL) goto end;
1135
1136	if (!BN_add_word(serial,1))
1137		{ BIO_printf(bio_err,"add_word failure\n"); goto end; }
1138
1139	if (!save_serial(buf, NULL, serial, &bs)) goto end;
1140
1141 end:
1142	if (buf) OPENSSL_free(buf);
1143	BN_free(serial);
1144	return bs;
1145	}
1146
1147static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1148	     		X509 *x, X509 *xca, EVP_PKEY *pkey,
1149			STACK_OF(OPENSSL_STRING) *sigopts,
1150	  		char *serialfile, int create,
1151	     		int days, int clrext, CONF *conf, char *section,
1152			ASN1_INTEGER *sno)
1153	{
1154	int ret=0;
1155	ASN1_INTEGER *bs=NULL;
1156	X509_STORE_CTX xsc;
1157	EVP_PKEY *upkey;
1158
1159	upkey = X509_get_pubkey(xca);
1160	EVP_PKEY_copy_parameters(upkey,pkey);
1161	EVP_PKEY_free(upkey);
1162
1163	if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1164		{
1165		BIO_printf(bio_err,"Error initialising X509 store\n");
1166		goto end;
1167		}
1168	if (sno) bs = sno;
1169	else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1170		goto end;
1171
1172/*	if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1173
1174	/* NOTE: this certificate can/should be self signed, unless it was
1175	 * a certificate request in which case it is not. */
1176	X509_STORE_CTX_set_cert(&xsc,x);
1177	X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1178	if (!reqfile && X509_verify_cert(&xsc) <= 0)
1179		goto end;
1180
1181	if (!X509_check_private_key(xca,pkey))
1182		{
1183		BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1184		goto end;
1185		}
1186
1187	if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1188	if (!X509_set_serialNumber(x,bs)) goto end;
1189
1190	if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1191		goto end;
1192
1193	/* hardwired expired */
1194	if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)
1195		goto end;
1196
1197	if (clrext)
1198		{
1199		while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1200		}
1201
1202	if (conf)
1203		{
1204		X509V3_CTX ctx2;
1205		X509_set_version(x,2); /* version 3 certificate */
1206                X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1207                X509V3_set_nconf(&ctx2, conf);
1208                if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1209		}
1210
1211	if (!do_X509_sign(bio_err, x, pkey, digest, sigopts))
1212		goto end;
1213	ret=1;
1214end:
1215	X509_STORE_CTX_cleanup(&xsc);
1216	if (!ret)
1217		ERR_print_errors(bio_err);
1218	if (!sno) ASN1_INTEGER_free(bs);
1219	return ret;
1220	}
1221
1222static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1223	{
1224	int err;
1225	X509 *err_cert;
1226
1227	/* it is ok to use a self signed certificate
1228	 * This case will catch both the initial ok == 0 and the
1229	 * final ok == 1 calls to this function */
1230	err=X509_STORE_CTX_get_error(ctx);
1231	if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1232		return 1;
1233
1234	/* BAD we should have gotten an error.  Normally if everything
1235	 * worked X509_STORE_CTX_get_error(ctx) will still be set to
1236	 * DEPTH_ZERO_SELF_.... */
1237	if (ok)
1238		{
1239		BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1240		return 0;
1241		}
1242	else
1243		{
1244		err_cert=X509_STORE_CTX_get_current_cert(ctx);
1245		print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1246		BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1247			err,X509_STORE_CTX_get_error_depth(ctx),
1248			X509_verify_cert_error_string(err));
1249		return 1;
1250		}
1251	}
1252
1253/* self sign */
1254static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1255						CONF *conf, char *section)
1256	{
1257
1258	EVP_PKEY *pktmp;
1259
1260	pktmp = X509_get_pubkey(x);
1261	EVP_PKEY_copy_parameters(pktmp,pkey);
1262	EVP_PKEY_save_parameters(pktmp,1);
1263	EVP_PKEY_free(pktmp);
1264
1265	if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1266	if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1267
1268	/* Lets just make it 12:00am GMT, Jan 1 1970 */
1269	/* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1270	/* 28 days to be certified */
1271
1272	if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1273		goto err;
1274
1275	if (!X509_set_pubkey(x,pkey)) goto err;
1276	if (clrext)
1277		{
1278		while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1279		}
1280	if (conf)
1281		{
1282		X509V3_CTX ctx;
1283		X509_set_version(x,2); /* version 3 certificate */
1284                X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1285                X509V3_set_nconf(&ctx, conf);
1286                if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1287		}
1288	if (!X509_sign(x,pkey,digest)) goto err;
1289	return 1;
1290err:
1291	ERR_print_errors(bio_err);
1292	return 0;
1293	}
1294
1295static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1296{
1297	int id, i, idret;
1298	char *pname;
1299	id = X509_PURPOSE_get_id(pt);
1300	pname = X509_PURPOSE_get0_name(pt);
1301	for (i = 0; i < 2; i++)
1302		{
1303		idret = X509_check_purpose(cert, id, i);
1304		BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1305		if (idret == 1) BIO_printf(bio, "Yes\n");
1306		else if (idret == 0) BIO_printf(bio, "No\n");
1307		else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1308		}
1309	return 1;
1310}
1311