oops
[openssl.git] / apps / x509.c
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
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                 X509_CINF *ci;
560                 BIO *in;
561
562                 if (!sign_flag && !CA_flag)
563                         {
564                         BIO_printf(bio_err,"We need a private key to sign with\n");
565                         goto end;
566                         }
567                 in=BIO_new(BIO_s_file());
568                 if (in == NULL)
569                         {
570                         ERR_print_errors(bio_err);
571                         goto end;
572                         }
573
574                 if (infile == NULL)
575                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
576                 else
577                         {
578                         if (BIO_read_filename(in,infile) <= 0)
579                                 {
580                                 perror(infile);
581                                 BIO_free(in);
582                                 goto end;
583                                 }
584                         }
585                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
586                 BIO_free(in);
587
588                 if (req == NULL)
589                         {
590                         ERR_print_errors(bio_err);
591                         goto end;
592                         }
593
594                 if (    (req->req_info == NULL) ||
595                         (req->req_info->pubkey == NULL) ||
596                         (req->req_info->pubkey->public_key == NULL) ||
597                         (req->req_info->pubkey->public_key->data == NULL))
598                         {
599                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
600                         BIO_printf(bio_err,"It does not contain a public key\n");
601                         goto end;
602                         }
603                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
604                         {
605                         BIO_printf(bio_err,"error unpacking public key\n");
606                         goto end;
607                         }
608                 i=X509_REQ_verify(req,pkey);
609                 EVP_PKEY_free(pkey);
610                 if (i < 0)
611                         {
612                         BIO_printf(bio_err,"Signature verification error\n");
613                         ERR_print_errors(bio_err);
614                         goto end;
615                         }
616                 if (i == 0)
617                         {
618                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
619                         goto end;
620                         }
621                 else
622                         BIO_printf(bio_err,"Signature ok\n");
623
624                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
625
626                 if ((x=X509_new()) == NULL) goto end;
627                 ci=x->cert_info;
628
629                 if (sno == NULL)
630                         {
631                         sno = ASN1_INTEGER_new();
632                         if (!sno || !rand_serial(NULL, sno))
633                                 goto end;
634                         if (!X509_set_serialNumber(x, sno)) 
635                                 goto end;
636                         ASN1_INTEGER_free(sno);
637                         sno = NULL;
638                         }
639                 else if (!X509_set_serialNumber(x, sno)) 
640                         goto end;
641
642                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
643                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
644
645                 X509_gmtime_adj(X509_get_notBefore(x),0);
646                 X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL);
647
648                 pkey = X509_REQ_get_pubkey(req);
649                 X509_set_pubkey(x,pkey);
650                 EVP_PKEY_free(pkey);
651                 }
652         else
653                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
654
655         if (x == NULL) goto end;
656         if (CA_flag)
657                 {
658                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
659                 if (xca == NULL) goto end;
660                 }
661
662         if (!noout || text || next_serial)
663                 {
664                 OBJ_create("2.99999.3",
665                         "SET.ex3","SET x509v3 extension 3");
666
667                 out=BIO_new(BIO_s_file());
668                 if (out == NULL)
669                         {
670                         ERR_print_errors(bio_err);
671                         goto end;
672                         }
673                 if (outfile == NULL)
674                         {
675                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
676 #ifdef OPENSSL_SYS_VMS
677                         {
678                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
679                         out = BIO_push(tmpbio, out);
680                         }
681 #endif
682                         }
683                 else
684                         {
685                         if (BIO_write_filename(out,outfile) <= 0)
686                                 {
687                                 perror(outfile);
688                                 goto end;
689                                 }
690                         }
691                 }
692
693         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
694
695         if (clrtrust) X509_trust_clear(x);
696         if (clrreject) X509_reject_clear(x);
697
698         if (trust)
699                 {
700                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
701                         {
702                         objtmp = sk_ASN1_OBJECT_value(trust, i);
703                         X509_add1_trust_object(x, objtmp);
704                         }
705                 }
706
707         if (reject)
708                 {
709                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
710                         {
711                         objtmp = sk_ASN1_OBJECT_value(reject, i);
712                         X509_add1_reject_object(x, objtmp);
713                         }
714                 }
715
716         if (num)
717                 {
718                 for (i=1; i<=num; i++)
719                         {
720                         if (issuer == i)
721                                 {
722                                 print_name(STDout, "issuer= ",
723                                         X509_get_issuer_name(x), nmflag);
724                                 }
725                         else if (subject == i) 
726                                 {
727                                 print_name(STDout, "subject= ",
728                                         X509_get_subject_name(x), nmflag);
729                                 }
730                         else if (serial == i)
731                                 {
732                                 BIO_printf(STDout,"serial=");
733                                 i2a_ASN1_INTEGER(STDout,
734                                         X509_get_serialNumber(x));
735                                 BIO_printf(STDout,"\n");
736                                 }
737                         else if (next_serial == i)
738                                 {
739                                 BIGNUM *bnser;
740                                 ASN1_INTEGER *ser;
741                                 ser = X509_get_serialNumber(x);
742                                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
743                                 if (!bnser)
744                                         goto end;
745                                 if (!BN_add_word(bnser, 1))
746                                         goto end;
747                                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
748                                 if (!ser)
749                                         goto end;
750                                 BN_free(bnser);
751                                 i2a_ASN1_INTEGER(out, ser);
752                                 ASN1_INTEGER_free(ser);
753                                 BIO_puts(out, "\n");
754                                 }
755                         else if ((email == i) || (ocsp_uri == i))
756                                 {
757                                 int j;
758                                 STACK_OF(OPENSSL_STRING) *emlst;
759                                 if (email == i)
760                                         emlst = X509_get1_email(x);
761                                 else
762                                         emlst = X509_get1_ocsp(x);
763                                 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
764                                         BIO_printf(STDout, "%s\n",
765                                                    sk_OPENSSL_STRING_value(emlst, j));
766                                 X509_email_free(emlst);
767                                 }
768                         else if (aliasout == i)
769                                 {
770                                 unsigned char *alstr;
771                                 alstr = X509_alias_get0(x, NULL);
772                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
773                                 else BIO_puts(STDout,"<No Alias>\n");
774                                 }
775                         else if (subject_hash == i)
776                                 {
777                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
778                                 }
779 #ifndef OPENSSL_NO_MD5
780                         else if (subject_hash_old == i)
781                                 {
782                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash_old(x));
783                                 }
784 #endif
785                         else if (issuer_hash == i)
786                                 {
787                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
788                                 }
789 #ifndef OPENSSL_NO_MD5
790                         else if (issuer_hash_old == i)
791                                 {
792                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash_old(x));
793                                 }
794 #endif
795                         else if (pprint == i)
796                                 {
797                                 X509_PURPOSE *ptmp;
798                                 int j;
799                                 BIO_printf(STDout, "Certificate purposes:\n");
800                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
801                                         {
802                                         ptmp = X509_PURPOSE_get0(j);
803                                         purpose_print(STDout, x, ptmp);
804                                         }
805                                 }
806                         else
807                                 if (modulus == i)
808                                 {
809                                 EVP_PKEY *pkey;
810
811                                 pkey=X509_get_pubkey(x);
812                                 if (pkey == NULL)
813                                         {
814                                         BIO_printf(bio_err,"Modulus=unavailable\n");
815                                         ERR_print_errors(bio_err);
816                                         goto end;
817                                         }
818                                 BIO_printf(STDout,"Modulus=");
819 #ifndef OPENSSL_NO_RSA
820                                 if (pkey->type == EVP_PKEY_RSA)
821                                         BN_print(STDout,pkey->pkey.rsa->n);
822                                 else
823 #endif
824 #ifndef OPENSSL_NO_DSA
825                                 if (pkey->type == EVP_PKEY_DSA)
826                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
827                                 else
828 #endif
829                                         BIO_printf(STDout,"Wrong Algorithm type");
830                                 BIO_printf(STDout,"\n");
831                                 EVP_PKEY_free(pkey);
832                                 }
833                         else
834                                 if (pubkey == i)
835                                 {
836                                 EVP_PKEY *pkey;
837
838                                 pkey=X509_get_pubkey(x);
839                                 if (pkey == NULL)
840                                         {
841                                         BIO_printf(bio_err,"Error getting public key\n");
842                                         ERR_print_errors(bio_err);
843                                         goto end;
844                                         }
845                                 PEM_write_bio_PUBKEY(STDout, pkey);
846                                 EVP_PKEY_free(pkey);
847                                 }
848                         else
849                                 if (C == i)
850                                 {
851                                 unsigned char *d;
852                                 char *m;
853                                 int y,z;
854
855                                 X509_NAME_oneline(X509_get_subject_name(x),
856                                         buf,sizeof buf);
857                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
858                                 m=X509_NAME_oneline(
859                                         X509_get_issuer_name(x),buf,
860                                         sizeof buf);
861                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
862
863                                 z=i2d_X509(x,NULL);
864                                 m=OPENSSL_malloc(z);
865
866                                 d=(unsigned char *)m;
867                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
868                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
869                                 d=(unsigned char *)m;
870                                 for (y=0; y<z; y++)
871                                         {
872                                         BIO_printf(STDout,"0x%02X,",d[y]);
873                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
874                                         }
875                                 if (y%16 != 0) BIO_printf(STDout,"\n");
876                                 BIO_printf(STDout,"};\n");
877
878                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
879                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
880                                 d=(unsigned char *)m;
881                                 for (y=0; y<z; y++)
882                                         {
883                                         BIO_printf(STDout,"0x%02X,",d[y]);
884                                         if ((y & 0x0f) == 0x0f)
885                                                 BIO_printf(STDout,"\n");
886                                         }
887                                 if (y%16 != 0) BIO_printf(STDout,"\n");
888                                 BIO_printf(STDout,"};\n");
889
890                                 z=i2d_X509(x,&d);
891                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
892                                 d=(unsigned char *)m;
893                                 for (y=0; y<z; y++)
894                                         {
895                                         BIO_printf(STDout,"0x%02X,",d[y]);
896                                         if ((y & 0x0f) == 0x0f)
897                                                 BIO_printf(STDout,"\n");
898                                         }
899                                 if (y%16 != 0) BIO_printf(STDout,"\n");
900                                 BIO_printf(STDout,"};\n");
901
902                                 OPENSSL_free(m);
903                                 }
904                         else if (text == i)
905                                 {
906                                 X509_print_ex(out,x,nmflag, certflag);
907                                 }
908                         else if (startdate == i)
909                                 {
910                                 BIO_puts(STDout,"notBefore=");
911                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
912                                 BIO_puts(STDout,"\n");
913                                 }
914                         else if (enddate == i)
915                                 {
916                                 BIO_puts(STDout,"notAfter=");
917                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
918                                 BIO_puts(STDout,"\n");
919                                 }
920                         else if (fingerprint == i)
921                                 {
922                                 int j;
923                                 unsigned int n;
924                                 unsigned char md[EVP_MAX_MD_SIZE];
925                                 const EVP_MD *fdig = digest;
926
927                                 if (!fdig)
928                                         fdig = EVP_sha1();
929
930                                 if (!X509_digest(x,fdig,md,&n))
931                                         {
932                                         BIO_printf(bio_err,"out of memory\n");
933                                         goto end;
934                                         }
935                                 BIO_printf(STDout,"%s Fingerprint=",
936                                                 OBJ_nid2sn(EVP_MD_type(fdig)));
937                                 for (j=0; j<(int)n; j++)
938                                         {
939                                         BIO_printf(STDout,"%02X%c",md[j],
940                                                 (j+1 == (int)n)
941                                                 ?'\n':':');
942                                         }
943                                 }
944
945                         /* should be in the library */
946                         else if ((sign_flag == i) && (x509req == 0))
947                                 {
948                                 BIO_printf(bio_err,"Getting Private key\n");
949                                 if (Upkey == NULL)
950                                         {
951                                         Upkey=load_key(bio_err,
952                                                 keyfile, keyformat, 0,
953                                                 passin, e, "Private key");
954                                         if (Upkey == NULL) goto end;
955                                         }
956
957                                 assert(need_rand);
958                                 if (!sign(x,Upkey,days,clrext,digest,
959                                                  extconf, extsect)) goto end;
960                                 }
961                         else if (CA_flag == i)
962                                 {
963                                 BIO_printf(bio_err,"Getting CA Private Key\n");
964                                 if (CAkeyfile != NULL)
965                                         {
966                                         CApkey=load_key(bio_err,
967                                                 CAkeyfile, CAkeyformat,
968                                                 0, passin, e,
969                                                 "CA Private Key");
970                                         if (CApkey == NULL) goto end;
971                                         }
972                                 
973                                 assert(need_rand);
974                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
975                                         CApkey, CAserial,CA_createserial,days, clrext,
976                                         extconf, extsect, sno))
977                                         goto end;
978                                 }
979                         else if (x509req == i)
980                                 {
981                                 EVP_PKEY *pk;
982
983                                 BIO_printf(bio_err,"Getting request Private Key\n");
984                                 if (keyfile == NULL)
985                                         {
986                                         BIO_printf(bio_err,"no request key file specified\n");
987                                         goto end;
988                                         }
989                                 else
990                                         {
991                                         pk=load_key(bio_err,
992                                                 keyfile, FORMAT_PEM, 0,
993                                                 passin, e, "request key");
994                                         if (pk == NULL) goto end;
995                                         }
996
997                                 BIO_printf(bio_err,"Generating certificate request\n");
998
999                                 rq=X509_to_X509_REQ(x,pk,digest);
1000                                 EVP_PKEY_free(pk);
1001                                 if (rq == NULL)
1002                                         {
1003                                         ERR_print_errors(bio_err);
1004                                         goto end;
1005                                         }
1006                                 if (!noout)
1007                                         {
1008                                         X509_REQ_print(out,rq);
1009                                         PEM_write_bio_X509_REQ(out,rq);
1010                                         }
1011                                 noout=1;
1012                                 }
1013                         else if (ocspid == i)
1014                                 {
1015                                 X509_ocspid_print(out, x);
1016                                 }
1017                         }
1018                 }
1019
1020         if (checkend)
1021                 {
1022                 time_t tcheck=time(NULL) + checkoffset;
1023
1024                 if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
1025                         {
1026                         BIO_printf(out,"Certificate will expire\n");
1027                         ret=1;
1028                         }
1029                 else
1030                         {
1031                         BIO_printf(out,"Certificate will not expire\n");
1032                         ret=0;
1033                         }
1034                 goto end;
1035                 }
1036
1037         if (noout)
1038                 {
1039                 ret=0;
1040                 goto end;
1041                 }
1042
1043         if      (outformat == FORMAT_ASN1)
1044                 i=i2d_X509_bio(out,x);
1045         else if (outformat == FORMAT_PEM)
1046                 {
1047                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1048                 else i=PEM_write_bio_X509(out,x);
1049                 }
1050         else if (outformat == FORMAT_NETSCAPE)
1051                 {
1052                 NETSCAPE_X509 nx;
1053                 ASN1_OCTET_STRING hdr;
1054
1055                 hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
1056                 hdr.length=strlen(NETSCAPE_CERT_HDR);
1057                 nx.header= &hdr;
1058                 nx.cert=x;
1059
1060                 i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
1061                 }
1062         else    {
1063                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1064                 goto end;
1065                 }
1066         if (!i)
1067                 {
1068                 BIO_printf(bio_err,"unable to write certificate\n");
1069                 ERR_print_errors(bio_err);
1070                 goto end;
1071                 }
1072         ret=0;
1073 end:
1074         if (need_rand)
1075                 app_RAND_write_file(NULL, bio_err);
1076         OBJ_cleanup();
1077         NCONF_free(extconf);
1078         BIO_free_all(out);
1079         BIO_free_all(STDout);
1080         X509_STORE_free(ctx);
1081         X509_REQ_free(req);
1082         X509_free(x);
1083         X509_free(xca);
1084         EVP_PKEY_free(Upkey);
1085         EVP_PKEY_free(CApkey);
1086         X509_REQ_free(rq);
1087         ASN1_INTEGER_free(sno);
1088         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1089         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1090         if (passin) OPENSSL_free(passin);
1091         apps_shutdown();
1092         OPENSSL_EXIT(ret);
1093         }
1094
1095 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1096         {
1097         char *buf = NULL, *p;
1098         ASN1_INTEGER *bs = NULL;
1099         BIGNUM *serial = NULL;
1100         size_t len;
1101
1102         len = ((serialfile == NULL)
1103                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1104                 :(strlen(serialfile)))+1;
1105         buf=OPENSSL_malloc(len);
1106         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1107         if (serialfile == NULL)
1108                 {
1109                 BUF_strlcpy(buf,CAfile,len);
1110                 for (p=buf; *p; p++)
1111                         if (*p == '.')
1112                                 {
1113                                 *p='\0';
1114                                 break;
1115                                 }
1116                 BUF_strlcat(buf,POSTFIX,len);
1117                 }
1118         else
1119                 BUF_strlcpy(buf,serialfile,len);
1120
1121         serial = load_serial(buf, create, NULL);
1122         if (serial == NULL) goto end;
1123
1124         if (!BN_add_word(serial,1))
1125                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1126
1127         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1128
1129  end:
1130         if (buf) OPENSSL_free(buf);
1131         BN_free(serial);
1132         return bs;
1133         }
1134
1135 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1136              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1137              int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1138         {
1139         int ret=0;
1140         ASN1_INTEGER *bs=NULL;
1141         X509_STORE_CTX xsc;
1142         EVP_PKEY *upkey;
1143
1144         upkey = X509_get_pubkey(xca);
1145         EVP_PKEY_copy_parameters(upkey,pkey);
1146         EVP_PKEY_free(upkey);
1147
1148         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1149                 {
1150                 BIO_printf(bio_err,"Error initialising X509 store\n");
1151                 goto end;
1152                 }
1153         if (sno) bs = sno;
1154         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1155                 goto end;
1156
1157 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1158
1159         /* NOTE: this certificate can/should be self signed, unless it was
1160          * a certificate request in which case it is not. */
1161         X509_STORE_CTX_set_cert(&xsc,x);
1162         X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1163         if (!reqfile && X509_verify_cert(&xsc) <= 0)
1164                 goto end;
1165
1166         if (!X509_check_private_key(xca,pkey))
1167                 {
1168                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1169                 goto end;
1170                 }
1171
1172         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1173         if (!X509_set_serialNumber(x,bs)) goto end;
1174
1175         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1176                 goto end;
1177
1178         /* hardwired expired */
1179         if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)
1180                 goto end;
1181
1182         if (clrext)
1183                 {
1184                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1185                 }
1186
1187         if (conf)
1188                 {
1189                 X509V3_CTX ctx2;
1190                 X509_set_version(x,2); /* version 3 certificate */
1191                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1192                 X509V3_set_nconf(&ctx2, conf);
1193                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1194                 }
1195
1196         if (!X509_sign(x,pkey,digest)) goto end;
1197         ret=1;
1198 end:
1199         X509_STORE_CTX_cleanup(&xsc);
1200         if (!ret)
1201                 ERR_print_errors(bio_err);
1202         if (!sno) ASN1_INTEGER_free(bs);
1203         return ret;
1204         }
1205
1206 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1207         {
1208         int err;
1209         X509 *err_cert;
1210
1211         /* it is ok to use a self signed certificate
1212          * This case will catch both the initial ok == 0 and the
1213          * final ok == 1 calls to this function */
1214         err=X509_STORE_CTX_get_error(ctx);
1215         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1216                 return 1;
1217
1218         /* BAD we should have gotten an error.  Normally if everything
1219          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1220          * DEPTH_ZERO_SELF_.... */
1221         if (ok)
1222                 {
1223                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1224                 return 0;
1225                 }
1226         else
1227                 {
1228                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1229                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1230                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1231                         err,X509_STORE_CTX_get_error_depth(ctx),
1232                         X509_verify_cert_error_string(err));
1233                 return 1;
1234                 }
1235         }
1236
1237 /* self sign */
1238 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1239                                                 CONF *conf, char *section)
1240         {
1241
1242         EVP_PKEY *pktmp;
1243
1244         pktmp = X509_get_pubkey(x);
1245         EVP_PKEY_copy_parameters(pktmp,pkey);
1246         EVP_PKEY_save_parameters(pktmp,1);
1247         EVP_PKEY_free(pktmp);
1248
1249         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1250         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1251
1252         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1253         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1254         /* 28 days to be certified */
1255
1256         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1257                 goto err;
1258
1259         if (!X509_set_pubkey(x,pkey)) goto err;
1260         if (clrext)
1261                 {
1262                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1263                 }
1264         if (conf)
1265                 {
1266                 X509V3_CTX ctx;
1267                 X509_set_version(x,2); /* version 3 certificate */
1268                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1269                 X509V3_set_nconf(&ctx, conf);
1270                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1271                 }
1272         if (!X509_sign(x,pkey,digest)) goto err;
1273         return 1;
1274 err:
1275         ERR_print_errors(bio_err);
1276         return 0;
1277         }
1278
1279 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1280 {
1281         int id, i, idret;
1282         char *pname;
1283         id = X509_PURPOSE_get_id(pt);
1284         pname = X509_PURPOSE_get0_name(pt);
1285         for (i = 0; i < 2; i++)
1286                 {
1287                 idret = X509_check_purpose(cert, id, i);
1288                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1289                 if (idret == 1) BIO_printf(bio, "Yes\n");
1290                 else if (idret == 0) BIO_printf(bio, "No\n");
1291                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1292                 }
1293         return 1;
1294 }