perlasm: fix symptom-less bugs, missing semicolons and 'my' declarations.
[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,
161                          STACK_OF(OPENSSL_STRING) *sigopts,
162                          char *serial, int create ,int days, int clrext,
163                          CONF *conf, char *section, ASN1_INTEGER *sno);
164 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
165 static int reqfile=0;
166
167 int MAIN(int, char **);
168
169 int 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, *fkey = 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 *fkeyfile=NULL;
187         char *alias=NULL;
188         int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
189         int next_serial=0;
190         int subject_hash=0,issuer_hash=0,ocspid=0;
191 #ifndef OPENSSL_NO_MD5
192         int subject_hash_old=0,issuer_hash_old=0;
193 #endif
194         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
195         int ocsp_uri=0;
196         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
197         int C=0;
198         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
199         int pprint = 0;
200         const char **pp;
201         X509_STORE *ctx=NULL;
202         X509_REQ *rq=NULL;
203         int fingerprint=0;
204         char buf[256];
205         const EVP_MD *md_alg,*digest=NULL;
206         CONF *extconf = NULL;
207         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
208         int need_rand = 0;
209         int checkend=0,checkoffset=0;
210         unsigned long nmflag = 0, certflag = 0;
211 #ifndef OPENSSL_NO_ENGINE
212         char *engine=NULL;
213 #endif
214
215         reqfile=0;
216
217         apps_startup();
218
219         if (bio_err == NULL)
220                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
221
222         if (!load_config(bio_err, NULL))
223                 goto end;
224         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
225 #ifdef OPENSSL_SYS_VMS
226         {
227         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
228         STDout = BIO_push(tmpbio, STDout);
229         }
230 #endif
231
232         informat=FORMAT_PEM;
233         outformat=FORMAT_PEM;
234         keyformat=FORMAT_PEM;
235         CAformat=FORMAT_PEM;
236         CAkeyformat=FORMAT_PEM;
237
238         ctx=X509_STORE_new();
239         if (ctx == NULL) goto end;
240         X509_STORE_set_verify_cb(ctx,callb);
241
242         argc--;
243         argv++;
244         num=0;
245         while (argc >= 1)
246                 {
247                 if      (strcmp(*argv,"-inform") == 0)
248                         {
249                         if (--argc < 1) goto bad;
250                         informat=str2fmt(*(++argv));
251                         }
252                 else if (strcmp(*argv,"-outform") == 0)
253                         {
254                         if (--argc < 1) goto bad;
255                         outformat=str2fmt(*(++argv));
256                         }
257                 else if (strcmp(*argv,"-keyform") == 0)
258                         {
259                         if (--argc < 1) goto bad;
260                         keyformat=str2fmt(*(++argv));
261                         }
262                 else if (strcmp(*argv,"-req") == 0)
263                         {
264                         reqfile=1;
265                         need_rand = 1;
266                         }
267                 else if (strcmp(*argv,"-CAform") == 0)
268                         {
269                         if (--argc < 1) goto bad;
270                         CAformat=str2fmt(*(++argv));
271                         }
272                 else if (strcmp(*argv,"-CAkeyform") == 0)
273                         {
274                         if (--argc < 1) goto bad;
275                         CAkeyformat=str2fmt(*(++argv));
276                         }
277                 else if (strcmp(*argv,"-sigopt") == 0)
278                         {
279                         if (--argc < 1)
280                                 goto bad;
281                         if (!sigopts)
282                                 sigopts = sk_OPENSSL_STRING_new_null();
283                         if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
284                                 goto bad;
285                         }
286                 else if (strcmp(*argv,"-days") == 0)
287                         {
288                         if (--argc < 1) goto bad;
289                         days=atoi(*(++argv));
290                         if (days == 0)
291                                 {
292                                 BIO_printf(bio_err,"bad number of days\n");
293                                 goto bad;
294                                 }
295                         }
296                 else if (strcmp(*argv,"-passin") == 0)
297                         {
298                         if (--argc < 1) goto bad;
299                         passargin= *(++argv);
300                         }
301                 else if (strcmp(*argv,"-extfile") == 0)
302                         {
303                         if (--argc < 1) goto bad;
304                         extfile= *(++argv);
305                         }
306                 else if (strcmp(*argv,"-extensions") == 0)
307                         {
308                         if (--argc < 1) goto bad;
309                         extsect= *(++argv);
310                         }
311                 else if (strcmp(*argv,"-in") == 0)
312                         {
313                         if (--argc < 1) goto bad;
314                         infile= *(++argv);
315                         }
316                 else if (strcmp(*argv,"-out") == 0)
317                         {
318                         if (--argc < 1) goto bad;
319                         outfile= *(++argv);
320                         }
321                 else if (strcmp(*argv,"-signkey") == 0)
322                         {
323                         if (--argc < 1) goto bad;
324                         keyfile= *(++argv);
325                         sign_flag= ++num;
326                         need_rand = 1;
327                         }
328                 else if (strcmp(*argv,"-CA") == 0)
329                         {
330                         if (--argc < 1) goto bad;
331                         CAfile= *(++argv);
332                         CA_flag= ++num;
333                         need_rand = 1;
334                         }
335                 else if (strcmp(*argv,"-CAkey") == 0)
336                         {
337                         if (--argc < 1) goto bad;
338                         CAkeyfile= *(++argv);
339                         }
340                 else if (strcmp(*argv,"-CAserial") == 0)
341                         {
342                         if (--argc < 1) goto bad;
343                         CAserial= *(++argv);
344                         }
345                 else if (strcmp(*argv,"-set_serial") == 0)
346                         {
347                         if (--argc < 1) goto bad;
348                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
349                                 goto bad;
350                         }
351                 else if (strcmp(*argv,"-force_pubkey") == 0)
352                         {
353                         if (--argc < 1) goto bad;
354                         fkeyfile= *(++argv);
355                         }
356                 else if (strcmp(*argv,"-addtrust") == 0)
357                         {
358                         if (--argc < 1) goto bad;
359                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
360                                 {
361                                 BIO_printf(bio_err,
362                                         "Invalid trust object value %s\n", *argv);
363                                 goto bad;
364                                 }
365                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
366                         sk_ASN1_OBJECT_push(trust, objtmp);
367                         trustout = 1;
368                         }
369                 else if (strcmp(*argv,"-addreject") == 0)
370                         {
371                         if (--argc < 1) goto bad;
372                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
373                                 {
374                                 BIO_printf(bio_err,
375                                         "Invalid reject object value %s\n", *argv);
376                                 goto bad;
377                                 }
378                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
379                         sk_ASN1_OBJECT_push(reject, objtmp);
380                         trustout = 1;
381                         }
382                 else if (strcmp(*argv,"-setalias") == 0)
383                         {
384                         if (--argc < 1) goto bad;
385                         alias= *(++argv);
386                         trustout = 1;
387                         }
388                 else if (strcmp(*argv,"-certopt") == 0)
389                         {
390                         if (--argc < 1) goto bad;
391                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
392                         }
393                 else if (strcmp(*argv,"-nameopt") == 0)
394                         {
395                         if (--argc < 1) goto bad;
396                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
397                         }
398 #ifndef OPENSSL_NO_ENGINE
399                 else if (strcmp(*argv,"-engine") == 0)
400                         {
401                         if (--argc < 1) goto bad;
402                         engine= *(++argv);
403                         }
404 #endif
405                 else if (strcmp(*argv,"-C") == 0)
406                         C= ++num;
407                 else if (strcmp(*argv,"-email") == 0)
408                         email= ++num;
409                 else if (strcmp(*argv,"-ocsp_uri") == 0)
410                         ocsp_uri= ++num;
411                 else if (strcmp(*argv,"-serial") == 0)
412                         serial= ++num;
413                 else if (strcmp(*argv,"-next_serial") == 0)
414                         next_serial= ++num;
415                 else if (strcmp(*argv,"-modulus") == 0)
416                         modulus= ++num;
417                 else if (strcmp(*argv,"-pubkey") == 0)
418                         pubkey= ++num;
419                 else if (strcmp(*argv,"-x509toreq") == 0)
420                         x509req= ++num;
421                 else if (strcmp(*argv,"-text") == 0)
422                         text= ++num;
423                 else if (strcmp(*argv,"-hash") == 0
424                         || strcmp(*argv,"-subject_hash") == 0)
425                         subject_hash= ++num;
426 #ifndef OPENSSL_NO_MD5
427                 else if (strcmp(*argv,"-subject_hash_old") == 0)
428                         subject_hash_old= ++num;
429 #endif
430                 else if (strcmp(*argv,"-issuer_hash") == 0)
431                         issuer_hash= ++num;
432 #ifndef OPENSSL_NO_MD5
433                 else if (strcmp(*argv,"-issuer_hash_old") == 0)
434                         issuer_hash_old= ++num;
435 #endif
436                 else if (strcmp(*argv,"-subject") == 0)
437                         subject= ++num;
438                 else if (strcmp(*argv,"-issuer") == 0)
439                         issuer= ++num;
440                 else if (strcmp(*argv,"-fingerprint") == 0)
441                         fingerprint= ++num;
442                 else if (strcmp(*argv,"-dates") == 0)
443                         {
444                         startdate= ++num;
445                         enddate= ++num;
446                         }
447                 else if (strcmp(*argv,"-purpose") == 0)
448                         pprint= ++num;
449                 else if (strcmp(*argv,"-startdate") == 0)
450                         startdate= ++num;
451                 else if (strcmp(*argv,"-enddate") == 0)
452                         enddate= ++num;
453                 else if (strcmp(*argv,"-checkend") == 0)
454                         {
455                         if (--argc < 1) goto bad;
456                         checkoffset=atoi(*(++argv));
457                         checkend=1;
458                         }
459                 else if (strcmp(*argv,"-noout") == 0)
460                         noout= ++num;
461                 else if (strcmp(*argv,"-trustout") == 0)
462                         trustout= 1;
463                 else if (strcmp(*argv,"-clrtrust") == 0)
464                         clrtrust= ++num;
465                 else if (strcmp(*argv,"-clrreject") == 0)
466                         clrreject= ++num;
467                 else if (strcmp(*argv,"-alias") == 0)
468                         aliasout= ++num;
469                 else if (strcmp(*argv,"-CAcreateserial") == 0)
470                         CA_createserial= ++num;
471                 else if (strcmp(*argv,"-clrext") == 0)
472                         clrext = 1;
473 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
474                 else if (strcmp(*argv,"-crlext") == 0)
475                         {
476                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
477                         clrext = 1;
478                         }
479 #endif
480                 else if (strcmp(*argv,"-ocspid") == 0)
481                         ocspid= ++num;
482                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
483                         {
484                         /* ok */
485                         digest=md_alg;
486                         }
487                 else
488                         {
489                         BIO_printf(bio_err,"unknown option %s\n",*argv);
490                         badops=1;
491                         break;
492                         }
493                 argc--;
494                 argv++;
495                 }
496
497         if (badops)
498                 {
499 bad:
500                 for (pp=x509_usage; (*pp != NULL); pp++)
501                         BIO_printf(bio_err,"%s",*pp);
502                 goto end;
503                 }
504
505 #ifndef OPENSSL_NO_ENGINE
506         e = setup_engine(bio_err, engine, 0);
507 #endif
508
509         if (need_rand)
510                 app_RAND_load_file(NULL, bio_err, 0);
511
512         ERR_load_crypto_strings();
513
514         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
515                 {
516                 BIO_printf(bio_err, "Error getting password\n");
517                 goto end;
518                 }
519
520         if (!X509_STORE_set_default_paths(ctx))
521                 {
522                 ERR_print_errors(bio_err);
523                 goto end;
524                 }
525
526         if (fkeyfile)
527                 {
528                 fkey = load_pubkey(bio_err, fkeyfile, keyformat, 0,
529                                                 NULL, e, "Forced key");
530                 if (fkey == NULL) goto end;
531                 }
532
533         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
534                 { CAkeyfile=CAfile; }
535         else if ((CA_flag) && (CAkeyfile == NULL))
536                 {
537                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
538                 goto end;
539                 }
540
541         if (extfile)
542                 {
543                 long errorline = -1;
544                 X509V3_CTX ctx2;
545                 extconf = NCONF_new(NULL);
546                 if (!NCONF_load(extconf, extfile,&errorline))
547                         {
548                         if (errorline <= 0)
549                                 BIO_printf(bio_err,
550                                         "error loading the config file '%s'\n",
551                                                                 extfile);
552                         else
553                                 BIO_printf(bio_err,
554                                        "error on line %ld of config file '%s'\n"
555                                                         ,errorline,extfile);
556                         goto end;
557                         }
558                 if (!extsect)
559                         {
560                         extsect = NCONF_get_string(extconf, "default", "extensions");
561                         if (!extsect)
562                                 {
563                                 ERR_clear_error();
564                                 extsect = "default";
565                                 }
566                         }
567                 X509V3_set_ctx_test(&ctx2);
568                 X509V3_set_nconf(&ctx2, extconf);
569                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
570                         {
571                         BIO_printf(bio_err,
572                                 "Error Loading extension section %s\n",
573                                                                  extsect);
574                         ERR_print_errors(bio_err);
575                         goto end;
576                         }
577                 }
578
579
580         if (reqfile)
581                 {
582                 EVP_PKEY *pkey;
583                 BIO *in;
584
585                 if (!sign_flag && !CA_flag)
586                         {
587                         BIO_printf(bio_err,"We need a private key to sign with\n");
588                         goto end;
589                         }
590                 in=BIO_new(BIO_s_file());
591                 if (in == NULL)
592                         {
593                         ERR_print_errors(bio_err);
594                         goto end;
595                         }
596
597                 if (infile == NULL)
598                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
599                 else
600                         {
601                         if (BIO_read_filename(in,infile) <= 0)
602                                 {
603                                 perror(infile);
604                                 BIO_free(in);
605                                 goto end;
606                                 }
607                         }
608                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
609                 BIO_free(in);
610
611                 if (req == NULL)
612                         {
613                         ERR_print_errors(bio_err);
614                         goto end;
615                         }
616
617                 if (    (req->req_info == NULL) ||
618                         (req->req_info->pubkey == NULL) ||
619                         (req->req_info->pubkey->public_key == NULL) ||
620                         (req->req_info->pubkey->public_key->data == NULL))
621                         {
622                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
623                         BIO_printf(bio_err,"It does not contain a public key\n");
624                         goto end;
625                         }
626                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
627                         {
628                         BIO_printf(bio_err,"error unpacking public key\n");
629                         goto end;
630                         }
631                 i=X509_REQ_verify(req,pkey);
632                 EVP_PKEY_free(pkey);
633                 if (i < 0)
634                         {
635                         BIO_printf(bio_err,"Signature verification error\n");
636                         ERR_print_errors(bio_err);
637                         goto end;
638                         }
639                 if (i == 0)
640                         {
641                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
642                         goto end;
643                         }
644                 else
645                         BIO_printf(bio_err,"Signature ok\n");
646
647                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
648
649                 if ((x=X509_new()) == NULL) goto end;
650
651                 if (sno == NULL)
652                         {
653                         sno = ASN1_INTEGER_new();
654                         if (!sno || !rand_serial(NULL, sno))
655                                 goto end;
656                         if (!X509_set_serialNumber(x, sno)) 
657                                 goto end;
658                         ASN1_INTEGER_free(sno);
659                         sno = NULL;
660                         }
661                 else if (!X509_set_serialNumber(x, sno)) 
662                         goto end;
663
664                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
665                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
666
667                 X509_gmtime_adj(X509_get_notBefore(x),0);
668                 X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL);
669                 if (fkey)
670                         X509_set_pubkey(x, fkey);
671                 else
672                         {
673                         pkey = X509_REQ_get_pubkey(req);
674                         X509_set_pubkey(x,pkey);
675                         EVP_PKEY_free(pkey);
676                         }
677                 }
678         else
679                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
680
681         if (x == NULL) goto end;
682         if (CA_flag)
683                 {
684                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
685                 if (xca == NULL) goto end;
686                 }
687
688         if (!noout || text || next_serial)
689                 {
690                 OBJ_create("2.99999.3",
691                         "SET.ex3","SET x509v3 extension 3");
692
693                 out=BIO_new(BIO_s_file());
694                 if (out == NULL)
695                         {
696                         ERR_print_errors(bio_err);
697                         goto end;
698                         }
699                 if (outfile == NULL)
700                         {
701                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
702 #ifdef OPENSSL_SYS_VMS
703                         {
704                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
705                         out = BIO_push(tmpbio, out);
706                         }
707 #endif
708                         }
709                 else
710                         {
711                         if (BIO_write_filename(out,outfile) <= 0)
712                                 {
713                                 perror(outfile);
714                                 goto end;
715                                 }
716                         }
717                 }
718
719         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
720
721         if (clrtrust) X509_trust_clear(x);
722         if (clrreject) X509_reject_clear(x);
723
724         if (trust)
725                 {
726                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
727                         {
728                         objtmp = sk_ASN1_OBJECT_value(trust, i);
729                         X509_add1_trust_object(x, objtmp);
730                         }
731                 }
732
733         if (reject)
734                 {
735                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
736                         {
737                         objtmp = sk_ASN1_OBJECT_value(reject, i);
738                         X509_add1_reject_object(x, objtmp);
739                         }
740                 }
741
742         if (num)
743                 {
744                 for (i=1; i<=num; i++)
745                         {
746                         if (issuer == i)
747                                 {
748                                 print_name(STDout, "issuer= ",
749                                         X509_get_issuer_name(x), nmflag);
750                                 }
751                         else if (subject == i) 
752                                 {
753                                 print_name(STDout, "subject= ",
754                                         X509_get_subject_name(x), nmflag);
755                                 }
756                         else if (serial == i)
757                                 {
758                                 BIO_printf(STDout,"serial=");
759                                 i2a_ASN1_INTEGER(STDout,
760                                         X509_get_serialNumber(x));
761                                 BIO_printf(STDout,"\n");
762                                 }
763                         else if (next_serial == i)
764                                 {
765                                 BIGNUM *bnser;
766                                 ASN1_INTEGER *ser;
767                                 ser = X509_get_serialNumber(x);
768                                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
769                                 if (!bnser)
770                                         goto end;
771                                 if (!BN_add_word(bnser, 1))
772                                         goto end;
773                                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
774                                 if (!ser)
775                                         goto end;
776                                 BN_free(bnser);
777                                 i2a_ASN1_INTEGER(out, ser);
778                                 ASN1_INTEGER_free(ser);
779                                 BIO_puts(out, "\n");
780                                 }
781                         else if ((email == i) || (ocsp_uri == i))
782                                 {
783                                 int j;
784                                 STACK_OF(OPENSSL_STRING) *emlst;
785                                 if (email == i)
786                                         emlst = X509_get1_email(x);
787                                 else
788                                         emlst = X509_get1_ocsp(x);
789                                 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
790                                         BIO_printf(STDout, "%s\n",
791                                                    sk_OPENSSL_STRING_value(emlst, j));
792                                 X509_email_free(emlst);
793                                 }
794                         else if (aliasout == i)
795                                 {
796                                 unsigned char *alstr;
797                                 alstr = X509_alias_get0(x, NULL);
798                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
799                                 else BIO_puts(STDout,"<No Alias>\n");
800                                 }
801                         else if (subject_hash == i)
802                                 {
803                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
804                                 }
805 #ifndef OPENSSL_NO_MD5
806                         else if (subject_hash_old == i)
807                                 {
808                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash_old(x));
809                                 }
810 #endif
811                         else if (issuer_hash == i)
812                                 {
813                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
814                                 }
815 #ifndef OPENSSL_NO_MD5
816                         else if (issuer_hash_old == i)
817                                 {
818                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash_old(x));
819                                 }
820 #endif
821                         else if (pprint == i)
822                                 {
823                                 X509_PURPOSE *ptmp;
824                                 int j;
825                                 BIO_printf(STDout, "Certificate purposes:\n");
826                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
827                                         {
828                                         ptmp = X509_PURPOSE_get0(j);
829                                         purpose_print(STDout, x, ptmp);
830                                         }
831                                 }
832                         else
833                                 if (modulus == i)
834                                 {
835                                 EVP_PKEY *pkey;
836
837                                 pkey=X509_get_pubkey(x);
838                                 if (pkey == NULL)
839                                         {
840                                         BIO_printf(bio_err,"Modulus=unavailable\n");
841                                         ERR_print_errors(bio_err);
842                                         goto end;
843                                         }
844                                 BIO_printf(STDout,"Modulus=");
845 #ifndef OPENSSL_NO_RSA
846                                 if (pkey->type == EVP_PKEY_RSA)
847                                         BN_print(STDout,pkey->pkey.rsa->n);
848                                 else
849 #endif
850 #ifndef OPENSSL_NO_DSA
851                                 if (pkey->type == EVP_PKEY_DSA)
852                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
853                                 else
854 #endif
855                                         BIO_printf(STDout,"Wrong Algorithm type");
856                                 BIO_printf(STDout,"\n");
857                                 EVP_PKEY_free(pkey);
858                                 }
859                         else
860                                 if (pubkey == i)
861                                 {
862                                 EVP_PKEY *pkey;
863
864                                 pkey=X509_get_pubkey(x);
865                                 if (pkey == NULL)
866                                         {
867                                         BIO_printf(bio_err,"Error getting public key\n");
868                                         ERR_print_errors(bio_err);
869                                         goto end;
870                                         }
871                                 PEM_write_bio_PUBKEY(STDout, pkey);
872                                 EVP_PKEY_free(pkey);
873                                 }
874                         else
875                                 if (C == i)
876                                 {
877                                 unsigned char *d;
878                                 char *m;
879                                 int y,z;
880
881                                 X509_NAME_oneline(X509_get_subject_name(x),
882                                         buf,sizeof buf);
883                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
884                                 m=X509_NAME_oneline(
885                                         X509_get_issuer_name(x),buf,
886                                         sizeof buf);
887                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
888
889                                 z=i2d_X509(x,NULL);
890                                 m=OPENSSL_malloc(z);
891
892                                 d=(unsigned char *)m;
893                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
894                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
895                                 d=(unsigned char *)m;
896                                 for (y=0; y<z; y++)
897                                         {
898                                         BIO_printf(STDout,"0x%02X,",d[y]);
899                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
900                                         }
901                                 if (y%16 != 0) BIO_printf(STDout,"\n");
902                                 BIO_printf(STDout,"};\n");
903
904                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
905                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
906                                 d=(unsigned char *)m;
907                                 for (y=0; y<z; y++)
908                                         {
909                                         BIO_printf(STDout,"0x%02X,",d[y]);
910                                         if ((y & 0x0f) == 0x0f)
911                                                 BIO_printf(STDout,"\n");
912                                         }
913                                 if (y%16 != 0) BIO_printf(STDout,"\n");
914                                 BIO_printf(STDout,"};\n");
915
916                                 z=i2d_X509(x,&d);
917                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
918                                 d=(unsigned char *)m;
919                                 for (y=0; y<z; y++)
920                                         {
921                                         BIO_printf(STDout,"0x%02X,",d[y]);
922                                         if ((y & 0x0f) == 0x0f)
923                                                 BIO_printf(STDout,"\n");
924                                         }
925                                 if (y%16 != 0) BIO_printf(STDout,"\n");
926                                 BIO_printf(STDout,"};\n");
927
928                                 OPENSSL_free(m);
929                                 }
930                         else if (text == i)
931                                 {
932                                 X509_print_ex(STDout,x,nmflag, certflag);
933                                 }
934                         else if (startdate == i)
935                                 {
936                                 BIO_puts(STDout,"notBefore=");
937                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
938                                 BIO_puts(STDout,"\n");
939                                 }
940                         else if (enddate == i)
941                                 {
942                                 BIO_puts(STDout,"notAfter=");
943                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
944                                 BIO_puts(STDout,"\n");
945                                 }
946                         else if (fingerprint == i)
947                                 {
948                                 int j;
949                                 unsigned int n;
950                                 unsigned char md[EVP_MAX_MD_SIZE];
951                                 const EVP_MD *fdig = digest;
952
953                                 if (!fdig)
954                                         fdig = EVP_sha1();
955
956                                 if (!X509_digest(x,fdig,md,&n))
957                                         {
958                                         BIO_printf(bio_err,"out of memory\n");
959                                         goto end;
960                                         }
961                                 BIO_printf(STDout,"%s Fingerprint=",
962                                                 OBJ_nid2sn(EVP_MD_type(fdig)));
963                                 for (j=0; j<(int)n; j++)
964                                         {
965                                         BIO_printf(STDout,"%02X%c",md[j],
966                                                 (j+1 == (int)n)
967                                                 ?'\n':':');
968                                         }
969                                 }
970
971                         /* should be in the library */
972                         else if ((sign_flag == i) && (x509req == 0))
973                                 {
974                                 BIO_printf(bio_err,"Getting Private key\n");
975                                 if (Upkey == NULL)
976                                         {
977                                         Upkey=load_key(bio_err,
978                                                 keyfile, keyformat, 0,
979                                                 passin, e, "Private key");
980                                         if (Upkey == NULL) goto end;
981                                         }
982
983                                 assert(need_rand);
984                                 if (!sign(x,Upkey,days,clrext,digest,
985                                                  extconf, extsect)) goto end;
986                                 }
987                         else if (CA_flag == i)
988                                 {
989                                 BIO_printf(bio_err,"Getting CA Private Key\n");
990                                 if (CAkeyfile != NULL)
991                                         {
992                                         CApkey=load_key(bio_err,
993                                                 CAkeyfile, CAkeyformat,
994                                                 0, passin, e,
995                                                 "CA Private Key");
996                                         if (CApkey == NULL) goto end;
997                                         }
998                                 
999                                 assert(need_rand);
1000                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
1001                                         CApkey, sigopts,
1002                                         CAserial,CA_createserial,days, clrext,
1003                                         extconf, extsect, sno))
1004                                         goto end;
1005                                 }
1006                         else if (x509req == i)
1007                                 {
1008                                 EVP_PKEY *pk;
1009
1010                                 BIO_printf(bio_err,"Getting request Private Key\n");
1011                                 if (keyfile == NULL)
1012                                         {
1013                                         BIO_printf(bio_err,"no request key file specified\n");
1014                                         goto end;
1015                                         }
1016                                 else
1017                                         {
1018                                         pk=load_key(bio_err,
1019                                                 keyfile, keyformat, 0,
1020                                                 passin, e, "request key");
1021                                         if (pk == NULL) goto end;
1022                                         }
1023
1024                                 BIO_printf(bio_err,"Generating certificate request\n");
1025
1026                                 rq=X509_to_X509_REQ(x,pk,digest);
1027                                 EVP_PKEY_free(pk);
1028                                 if (rq == NULL)
1029                                         {
1030                                         ERR_print_errors(bio_err);
1031                                         goto end;
1032                                         }
1033                                 if (!noout)
1034                                         {
1035                                         X509_REQ_print(out,rq);
1036                                         PEM_write_bio_X509_REQ(out,rq);
1037                                         }
1038                                 noout=1;
1039                                 }
1040                         else if (ocspid == i)
1041                                 {
1042                                 X509_ocspid_print(out, x);
1043                                 }
1044                         }
1045                 }
1046
1047         if (checkend)
1048                 {
1049                 time_t tcheck=time(NULL) + checkoffset;
1050
1051                 if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
1052                         {
1053                         BIO_printf(out,"Certificate will expire\n");
1054                         ret=1;
1055                         }
1056                 else
1057                         {
1058                         BIO_printf(out,"Certificate will not expire\n");
1059                         ret=0;
1060                         }
1061                 goto end;
1062                 }
1063
1064         if (noout)
1065                 {
1066                 ret=0;
1067                 goto end;
1068                 }
1069
1070         if      (outformat == FORMAT_ASN1)
1071                 i=i2d_X509_bio(out,x);
1072         else if (outformat == FORMAT_PEM)
1073                 {
1074                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1075                 else i=PEM_write_bio_X509(out,x);
1076                 }
1077         else if (outformat == FORMAT_NETSCAPE)
1078                 {
1079                 NETSCAPE_X509 nx;
1080                 ASN1_OCTET_STRING hdr;
1081
1082                 hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
1083                 hdr.length=strlen(NETSCAPE_CERT_HDR);
1084                 nx.header= &hdr;
1085                 nx.cert=x;
1086
1087                 i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
1088                 }
1089         else    {
1090                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1091                 goto end;
1092                 }
1093         if (!i)
1094                 {
1095                 BIO_printf(bio_err,"unable to write certificate\n");
1096                 ERR_print_errors(bio_err);
1097                 goto end;
1098                 }
1099         ret=0;
1100 end:
1101         if (need_rand)
1102                 app_RAND_write_file(NULL, bio_err);
1103         OBJ_cleanup();
1104         NCONF_free(extconf);
1105         BIO_free_all(out);
1106         BIO_free_all(STDout);
1107         X509_STORE_free(ctx);
1108         X509_REQ_free(req);
1109         X509_free(x);
1110         X509_free(xca);
1111         EVP_PKEY_free(Upkey);
1112         EVP_PKEY_free(CApkey);
1113         EVP_PKEY_free(fkey);
1114         if (sigopts)
1115                 sk_OPENSSL_STRING_free(sigopts);
1116         X509_REQ_free(rq);
1117         ASN1_INTEGER_free(sno);
1118         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1119         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1120         if (passin) OPENSSL_free(passin);
1121         apps_shutdown();
1122         OPENSSL_EXIT(ret);
1123         }
1124
1125 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1126         {
1127         char *buf = NULL, *p;
1128         ASN1_INTEGER *bs = NULL;
1129         BIGNUM *serial = NULL;
1130         size_t len;
1131
1132         len = ((serialfile == NULL)
1133                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1134                 :(strlen(serialfile)))+1;
1135         buf=OPENSSL_malloc(len);
1136         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1137         if (serialfile == NULL)
1138                 {
1139                 BUF_strlcpy(buf,CAfile,len);
1140                 for (p=buf; *p; p++)
1141                         if (*p == '.')
1142                                 {
1143                                 *p='\0';
1144                                 break;
1145                                 }
1146                 BUF_strlcat(buf,POSTFIX,len);
1147                 }
1148         else
1149                 BUF_strlcpy(buf,serialfile,len);
1150
1151         serial = load_serial(buf, create, NULL);
1152         if (serial == NULL) goto end;
1153
1154         if (!BN_add_word(serial,1))
1155                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1156
1157         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1158
1159  end:
1160         if (buf) OPENSSL_free(buf);
1161         BN_free(serial);
1162         return bs;
1163         }
1164
1165 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1166                         X509 *x, X509 *xca, EVP_PKEY *pkey,
1167                         STACK_OF(OPENSSL_STRING) *sigopts,
1168                         char *serialfile, int create,
1169                         int days, int clrext, CONF *conf, char *section,
1170                         ASN1_INTEGER *sno)
1171         {
1172         int ret=0;
1173         ASN1_INTEGER *bs=NULL;
1174         X509_STORE_CTX xsc;
1175         EVP_PKEY *upkey;
1176
1177         upkey = X509_get_pubkey(xca);
1178         EVP_PKEY_copy_parameters(upkey,pkey);
1179         EVP_PKEY_free(upkey);
1180
1181         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1182                 {
1183                 BIO_printf(bio_err,"Error initialising X509 store\n");
1184                 goto end;
1185                 }
1186         if (sno) bs = sno;
1187         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1188                 goto end;
1189
1190 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1191
1192         /* NOTE: this certificate can/should be self signed, unless it was
1193          * a certificate request in which case it is not. */
1194         X509_STORE_CTX_set_cert(&xsc,x);
1195         X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1196         if (!reqfile && X509_verify_cert(&xsc) <= 0)
1197                 goto end;
1198
1199         if (!X509_check_private_key(xca,pkey))
1200                 {
1201                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1202                 goto end;
1203                 }
1204
1205         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1206         if (!X509_set_serialNumber(x,bs)) goto end;
1207
1208         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1209                 goto end;
1210
1211         /* hardwired expired */
1212         if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)
1213                 goto end;
1214
1215         if (clrext)
1216                 {
1217                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1218                 }
1219
1220         if (conf)
1221                 {
1222                 X509V3_CTX ctx2;
1223                 X509_set_version(x,2); /* version 3 certificate */
1224                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1225                 X509V3_set_nconf(&ctx2, conf);
1226                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1227                 }
1228
1229         if (!do_X509_sign(bio_err, x, pkey, digest, sigopts))
1230                 goto end;
1231         ret=1;
1232 end:
1233         X509_STORE_CTX_cleanup(&xsc);
1234         if (!ret)
1235                 ERR_print_errors(bio_err);
1236         if (!sno) ASN1_INTEGER_free(bs);
1237         return ret;
1238         }
1239
1240 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1241         {
1242         int err;
1243         X509 *err_cert;
1244
1245         /* it is ok to use a self signed certificate
1246          * This case will catch both the initial ok == 0 and the
1247          * final ok == 1 calls to this function */
1248         err=X509_STORE_CTX_get_error(ctx);
1249         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1250                 return 1;
1251
1252         /* BAD we should have gotten an error.  Normally if everything
1253          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1254          * DEPTH_ZERO_SELF_.... */
1255         if (ok)
1256                 {
1257                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1258                 return 0;
1259                 }
1260         else
1261                 {
1262                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1263                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1264                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1265                         err,X509_STORE_CTX_get_error_depth(ctx),
1266                         X509_verify_cert_error_string(err));
1267                 return 1;
1268                 }
1269         }
1270
1271 /* self sign */
1272 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1273                                                 CONF *conf, char *section)
1274         {
1275
1276         EVP_PKEY *pktmp;
1277
1278         pktmp = X509_get_pubkey(x);
1279         EVP_PKEY_copy_parameters(pktmp,pkey);
1280         EVP_PKEY_save_parameters(pktmp,1);
1281         EVP_PKEY_free(pktmp);
1282
1283         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1284         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1285
1286         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1287         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1288         /* 28 days to be certified */
1289
1290         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1291                 goto err;
1292
1293         if (!X509_set_pubkey(x,pkey)) goto err;
1294         if (clrext)
1295                 {
1296                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1297                 }
1298         if (conf)
1299                 {
1300                 X509V3_CTX ctx;
1301                 X509_set_version(x,2); /* version 3 certificate */
1302                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1303                 X509V3_set_nconf(&ctx, conf);
1304                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1305                 }
1306         if (!X509_sign(x,pkey,digest)) goto err;
1307         return 1;
1308 err:
1309         ERR_print_errors(bio_err);
1310         return 0;
1311         }
1312
1313 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1314 {
1315         int id, i, idret;
1316         char *pname;
1317         id = X509_PURPOSE_get_id(pt);
1318         pname = X509_PURPOSE_get0_name(pt);
1319         for (i = 0; i < 2; i++)
1320                 {
1321                 idret = X509_check_purpose(cert, id, i);
1322                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1323                 if (idret == 1) BIO_printf(bio, "Yes\n");
1324                 else if (idret == 0) BIO_printf(bio, "No\n");
1325                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1326                 }
1327         return 1;
1328 }