New -force_pubkey option to x509 utility to supply a different public
[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         unsigned char *checkhost = NULL, *checkemail = NULL;
212         char *checkip = NULL;
213 #ifndef OPENSSL_NO_ENGINE
214         char *engine=NULL;
215 #endif
216
217         reqfile=0;
218
219         apps_startup();
220
221         if (bio_err == NULL)
222                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
223
224         if (!load_config(bio_err, NULL))
225                 goto end;
226         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
227 #ifdef OPENSSL_SYS_VMS
228         {
229         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
230         STDout = BIO_push(tmpbio, STDout);
231         }
232 #endif
233
234         informat=FORMAT_PEM;
235         outformat=FORMAT_PEM;
236         keyformat=FORMAT_PEM;
237         CAformat=FORMAT_PEM;
238         CAkeyformat=FORMAT_PEM;
239
240         ctx=X509_STORE_new();
241         if (ctx == NULL) goto end;
242         X509_STORE_set_verify_cb(ctx,callb);
243
244         argc--;
245         argv++;
246         num=0;
247         while (argc >= 1)
248                 {
249                 if      (strcmp(*argv,"-inform") == 0)
250                         {
251                         if (--argc < 1) goto bad;
252                         informat=str2fmt(*(++argv));
253                         }
254                 else if (strcmp(*argv,"-outform") == 0)
255                         {
256                         if (--argc < 1) goto bad;
257                         outformat=str2fmt(*(++argv));
258                         }
259                 else if (strcmp(*argv,"-keyform") == 0)
260                         {
261                         if (--argc < 1) goto bad;
262                         keyformat=str2fmt(*(++argv));
263                         }
264                 else if (strcmp(*argv,"-req") == 0)
265                         {
266                         reqfile=1;
267                         need_rand = 1;
268                         }
269                 else if (strcmp(*argv,"-CAform") == 0)
270                         {
271                         if (--argc < 1) goto bad;
272                         CAformat=str2fmt(*(++argv));
273                         }
274                 else if (strcmp(*argv,"-CAkeyform") == 0)
275                         {
276                         if (--argc < 1) goto bad;
277                         CAkeyformat=str2fmt(*(++argv));
278                         }
279                 else if (strcmp(*argv,"-sigopt") == 0)
280                         {
281                         if (--argc < 1)
282                                 goto bad;
283                         if (!sigopts)
284                                 sigopts = sk_OPENSSL_STRING_new_null();
285                         if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
286                                 goto bad;
287                         }
288                 else if (strcmp(*argv,"-days") == 0)
289                         {
290                         if (--argc < 1) goto bad;
291                         days=atoi(*(++argv));
292                         if (days == 0)
293                                 {
294                                 BIO_printf(bio_err,"bad number of days\n");
295                                 goto bad;
296                                 }
297                         }
298                 else if (strcmp(*argv,"-passin") == 0)
299                         {
300                         if (--argc < 1) goto bad;
301                         passargin= *(++argv);
302                         }
303                 else if (strcmp(*argv,"-extfile") == 0)
304                         {
305                         if (--argc < 1) goto bad;
306                         extfile= *(++argv);
307                         }
308                 else if (strcmp(*argv,"-extensions") == 0)
309                         {
310                         if (--argc < 1) goto bad;
311                         extsect= *(++argv);
312                         }
313                 else if (strcmp(*argv,"-in") == 0)
314                         {
315                         if (--argc < 1) goto bad;
316                         infile= *(++argv);
317                         }
318                 else if (strcmp(*argv,"-out") == 0)
319                         {
320                         if (--argc < 1) goto bad;
321                         outfile= *(++argv);
322                         }
323                 else if (strcmp(*argv,"-signkey") == 0)
324                         {
325                         if (--argc < 1) goto bad;
326                         keyfile= *(++argv);
327                         sign_flag= ++num;
328                         need_rand = 1;
329                         }
330                 else if (strcmp(*argv,"-CA") == 0)
331                         {
332                         if (--argc < 1) goto bad;
333                         CAfile= *(++argv);
334                         CA_flag= ++num;
335                         need_rand = 1;
336                         }
337                 else if (strcmp(*argv,"-CAkey") == 0)
338                         {
339                         if (--argc < 1) goto bad;
340                         CAkeyfile= *(++argv);
341                         }
342                 else if (strcmp(*argv,"-CAserial") == 0)
343                         {
344                         if (--argc < 1) goto bad;
345                         CAserial= *(++argv);
346                         }
347                 else if (strcmp(*argv,"-set_serial") == 0)
348                         {
349                         if (--argc < 1) goto bad;
350                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
351                                 goto bad;
352                         }
353                 else if (strcmp(*argv,"-force_pubkey") == 0)
354                         {
355                         if (--argc < 1) goto bad;
356                         fkeyfile= *(++argv);
357                         }
358                 else if (strcmp(*argv,"-addtrust") == 0)
359                         {
360                         if (--argc < 1) goto bad;
361                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
362                                 {
363                                 BIO_printf(bio_err,
364                                         "Invalid trust object value %s\n", *argv);
365                                 goto bad;
366                                 }
367                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
368                         sk_ASN1_OBJECT_push(trust, objtmp);
369                         trustout = 1;
370                         }
371                 else if (strcmp(*argv,"-addreject") == 0)
372                         {
373                         if (--argc < 1) goto bad;
374                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
375                                 {
376                                 BIO_printf(bio_err,
377                                         "Invalid reject object value %s\n", *argv);
378                                 goto bad;
379                                 }
380                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
381                         sk_ASN1_OBJECT_push(reject, objtmp);
382                         trustout = 1;
383                         }
384                 else if (strcmp(*argv,"-setalias") == 0)
385                         {
386                         if (--argc < 1) goto bad;
387                         alias= *(++argv);
388                         trustout = 1;
389                         }
390                 else if (strcmp(*argv,"-certopt") == 0)
391                         {
392                         if (--argc < 1) goto bad;
393                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
394                         }
395                 else if (strcmp(*argv,"-nameopt") == 0)
396                         {
397                         if (--argc < 1) goto bad;
398                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
399                         }
400 #ifndef OPENSSL_NO_ENGINE
401                 else if (strcmp(*argv,"-engine") == 0)
402                         {
403                         if (--argc < 1) goto bad;
404                         engine= *(++argv);
405                         }
406 #endif
407                 else if (strcmp(*argv,"-C") == 0)
408                         C= ++num;
409                 else if (strcmp(*argv,"-email") == 0)
410                         email= ++num;
411                 else if (strcmp(*argv,"-ocsp_uri") == 0)
412                         ocsp_uri= ++num;
413                 else if (strcmp(*argv,"-serial") == 0)
414                         serial= ++num;
415                 else if (strcmp(*argv,"-next_serial") == 0)
416                         next_serial= ++num;
417                 else if (strcmp(*argv,"-modulus") == 0)
418                         modulus= ++num;
419                 else if (strcmp(*argv,"-pubkey") == 0)
420                         pubkey= ++num;
421                 else if (strcmp(*argv,"-x509toreq") == 0)
422                         x509req= ++num;
423                 else if (strcmp(*argv,"-text") == 0)
424                         text= ++num;
425                 else if (strcmp(*argv,"-hash") == 0
426                         || strcmp(*argv,"-subject_hash") == 0)
427                         subject_hash= ++num;
428 #ifndef OPENSSL_NO_MD5
429                 else if (strcmp(*argv,"-subject_hash_old") == 0)
430                         subject_hash_old= ++num;
431 #endif
432                 else if (strcmp(*argv,"-issuer_hash") == 0)
433                         issuer_hash= ++num;
434 #ifndef OPENSSL_NO_MD5
435                 else if (strcmp(*argv,"-issuer_hash_old") == 0)
436                         issuer_hash_old= ++num;
437 #endif
438                 else if (strcmp(*argv,"-subject") == 0)
439                         subject= ++num;
440                 else if (strcmp(*argv,"-issuer") == 0)
441                         issuer= ++num;
442                 else if (strcmp(*argv,"-fingerprint") == 0)
443                         fingerprint= ++num;
444                 else if (strcmp(*argv,"-dates") == 0)
445                         {
446                         startdate= ++num;
447                         enddate= ++num;
448                         }
449                 else if (strcmp(*argv,"-purpose") == 0)
450                         pprint= ++num;
451                 else if (strcmp(*argv,"-startdate") == 0)
452                         startdate= ++num;
453                 else if (strcmp(*argv,"-enddate") == 0)
454                         enddate= ++num;
455                 else if (strcmp(*argv,"-checkend") == 0)
456                         {
457                         if (--argc < 1) goto bad;
458                         checkoffset=atoi(*(++argv));
459                         checkend=1;
460                         }
461                 else if (strcmp(*argv,"-checkhost") == 0)
462                         {
463                         if (--argc < 1) goto bad;
464                         checkhost=(unsigned char *)*(++argv);
465                         }
466                 else if (strcmp(*argv,"-checkemail") == 0)
467                         {
468                         if (--argc < 1) goto bad;
469                         checkemail=(unsigned char *)*(++argv);
470                         }
471                 else if (strcmp(*argv,"-checkip") == 0)
472                         {
473                         if (--argc < 1) goto bad;
474                         checkip=*(++argv);
475                         }
476                 else if (strcmp(*argv,"-noout") == 0)
477                         noout= ++num;
478                 else if (strcmp(*argv,"-trustout") == 0)
479                         trustout= 1;
480                 else if (strcmp(*argv,"-clrtrust") == 0)
481                         clrtrust= ++num;
482                 else if (strcmp(*argv,"-clrreject") == 0)
483                         clrreject= ++num;
484                 else if (strcmp(*argv,"-alias") == 0)
485                         aliasout= ++num;
486                 else if (strcmp(*argv,"-CAcreateserial") == 0)
487                         CA_createserial= ++num;
488                 else if (strcmp(*argv,"-clrext") == 0)
489                         clrext = 1;
490 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
491                 else if (strcmp(*argv,"-crlext") == 0)
492                         {
493                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
494                         clrext = 1;
495                         }
496 #endif
497                 else if (strcmp(*argv,"-ocspid") == 0)
498                         ocspid= ++num;
499                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
500                         {
501                         /* ok */
502                         digest=md_alg;
503                         }
504                 else
505                         {
506                         BIO_printf(bio_err,"unknown option %s\n",*argv);
507                         badops=1;
508                         break;
509                         }
510                 argc--;
511                 argv++;
512                 }
513
514         if (badops)
515                 {
516 bad:
517                 for (pp=x509_usage; (*pp != NULL); pp++)
518                         BIO_printf(bio_err,"%s",*pp);
519                 goto end;
520                 }
521
522 #ifndef OPENSSL_NO_ENGINE
523         e = setup_engine(bio_err, engine, 0);
524 #endif
525
526         if (need_rand)
527                 app_RAND_load_file(NULL, bio_err, 0);
528
529         ERR_load_crypto_strings();
530
531         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
532                 {
533                 BIO_printf(bio_err, "Error getting password\n");
534                 goto end;
535                 }
536
537         if (!X509_STORE_set_default_paths(ctx))
538                 {
539                 ERR_print_errors(bio_err);
540                 goto end;
541                 }
542
543         if (fkeyfile)
544                 {
545                 fkey = load_pubkey(bio_err, fkeyfile, keyformat, 0,
546                                                 NULL, e, "Forced key");
547                 if (fkey == NULL) goto end;
548                 }
549
550         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
551                 { CAkeyfile=CAfile; }
552         else if ((CA_flag) && (CAkeyfile == NULL))
553                 {
554                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
555                 goto end;
556                 }
557
558         if (extfile)
559                 {
560                 long errorline = -1;
561                 X509V3_CTX ctx2;
562                 extconf = NCONF_new(NULL);
563                 if (!NCONF_load(extconf, extfile,&errorline))
564                         {
565                         if (errorline <= 0)
566                                 BIO_printf(bio_err,
567                                         "error loading the config file '%s'\n",
568                                                                 extfile);
569                         else
570                                 BIO_printf(bio_err,
571                                        "error on line %ld of config file '%s'\n"
572                                                         ,errorline,extfile);
573                         goto end;
574                         }
575                 if (!extsect)
576                         {
577                         extsect = NCONF_get_string(extconf, "default", "extensions");
578                         if (!extsect)
579                                 {
580                                 ERR_clear_error();
581                                 extsect = "default";
582                                 }
583                         }
584                 X509V3_set_ctx_test(&ctx2);
585                 X509V3_set_nconf(&ctx2, extconf);
586                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
587                         {
588                         BIO_printf(bio_err,
589                                 "Error Loading extension section %s\n",
590                                                                  extsect);
591                         ERR_print_errors(bio_err);
592                         goto end;
593                         }
594                 }
595
596
597         if (reqfile)
598                 {
599                 EVP_PKEY *pkey;
600                 BIO *in;
601
602                 if (!sign_flag && !CA_flag)
603                         {
604                         BIO_printf(bio_err,"We need a private key to sign with\n");
605                         goto end;
606                         }
607                 in=BIO_new(BIO_s_file());
608                 if (in == NULL)
609                         {
610                         ERR_print_errors(bio_err);
611                         goto end;
612                         }
613
614                 if (infile == NULL)
615                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
616                 else
617                         {
618                         if (BIO_read_filename(in,infile) <= 0)
619                                 {
620                                 perror(infile);
621                                 BIO_free(in);
622                                 goto end;
623                                 }
624                         }
625                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
626                 BIO_free(in);
627
628                 if (req == NULL)
629                         {
630                         ERR_print_errors(bio_err);
631                         goto end;
632                         }
633
634                 if (    (req->req_info == NULL) ||
635                         (req->req_info->pubkey == NULL) ||
636                         (req->req_info->pubkey->public_key == NULL) ||
637                         (req->req_info->pubkey->public_key->data == NULL))
638                         {
639                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
640                         BIO_printf(bio_err,"It does not contain a public key\n");
641                         goto end;
642                         }
643                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
644                         {
645                         BIO_printf(bio_err,"error unpacking public key\n");
646                         goto end;
647                         }
648                 i=X509_REQ_verify(req,pkey);
649                 EVP_PKEY_free(pkey);
650                 if (i < 0)
651                         {
652                         BIO_printf(bio_err,"Signature verification error\n");
653                         ERR_print_errors(bio_err);
654                         goto end;
655                         }
656                 if (i == 0)
657                         {
658                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
659                         goto end;
660                         }
661                 else
662                         BIO_printf(bio_err,"Signature ok\n");
663
664                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
665
666                 if ((x=X509_new()) == NULL) goto end;
667
668                 if (sno == NULL)
669                         {
670                         sno = ASN1_INTEGER_new();
671                         if (!sno || !rand_serial(NULL, sno))
672                                 goto end;
673                         if (!X509_set_serialNumber(x, sno)) 
674                                 goto end;
675                         ASN1_INTEGER_free(sno);
676                         sno = NULL;
677                         }
678                 else if (!X509_set_serialNumber(x, sno)) 
679                         goto end;
680
681                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
682                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
683
684                 X509_gmtime_adj(X509_get_notBefore(x),0);
685                 X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL);
686                 if (fkey)
687                         X509_set_pubkey(x, fkey);
688                 else
689                         {
690                         pkey = X509_REQ_get_pubkey(req);
691                         X509_set_pubkey(x,pkey);
692                         EVP_PKEY_free(pkey);
693                         }
694                 }
695         else
696                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
697
698         if (x == NULL) goto end;
699         if (CA_flag)
700                 {
701                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
702                 if (xca == NULL) goto end;
703                 }
704
705         if (!noout || text || next_serial)
706                 {
707                 OBJ_create("2.99999.3",
708                         "SET.ex3","SET x509v3 extension 3");
709
710                 out=BIO_new(BIO_s_file());
711                 if (out == NULL)
712                         {
713                         ERR_print_errors(bio_err);
714                         goto end;
715                         }
716                 if (outfile == NULL)
717                         {
718                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
719 #ifdef OPENSSL_SYS_VMS
720                         {
721                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
722                         out = BIO_push(tmpbio, out);
723                         }
724 #endif
725                         }
726                 else
727                         {
728                         if (BIO_write_filename(out,outfile) <= 0)
729                                 {
730                                 perror(outfile);
731                                 goto end;
732                                 }
733                         }
734                 }
735
736         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
737
738         if (clrtrust) X509_trust_clear(x);
739         if (clrreject) X509_reject_clear(x);
740
741         if (trust)
742                 {
743                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
744                         {
745                         objtmp = sk_ASN1_OBJECT_value(trust, i);
746                         X509_add1_trust_object(x, objtmp);
747                         }
748                 }
749
750         if (reject)
751                 {
752                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
753                         {
754                         objtmp = sk_ASN1_OBJECT_value(reject, i);
755                         X509_add1_reject_object(x, objtmp);
756                         }
757                 }
758
759         if (num)
760                 {
761                 for (i=1; i<=num; i++)
762                         {
763                         if (issuer == i)
764                                 {
765                                 print_name(STDout, "issuer= ",
766                                         X509_get_issuer_name(x), nmflag);
767                                 }
768                         else if (subject == i) 
769                                 {
770                                 print_name(STDout, "subject= ",
771                                         X509_get_subject_name(x), nmflag);
772                                 }
773                         else if (serial == i)
774                                 {
775                                 BIO_printf(STDout,"serial=");
776                                 i2a_ASN1_INTEGER(STDout,
777                                         X509_get_serialNumber(x));
778                                 BIO_printf(STDout,"\n");
779                                 }
780                         else if (next_serial == i)
781                                 {
782                                 BIGNUM *bnser;
783                                 ASN1_INTEGER *ser;
784                                 ser = X509_get_serialNumber(x);
785                                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
786                                 if (!bnser)
787                                         goto end;
788                                 if (!BN_add_word(bnser, 1))
789                                         goto end;
790                                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
791                                 if (!ser)
792                                         goto end;
793                                 BN_free(bnser);
794                                 i2a_ASN1_INTEGER(out, ser);
795                                 ASN1_INTEGER_free(ser);
796                                 BIO_puts(out, "\n");
797                                 }
798                         else if ((email == i) || (ocsp_uri == i))
799                                 {
800                                 int j;
801                                 STACK_OF(OPENSSL_STRING) *emlst;
802                                 if (email == i)
803                                         emlst = X509_get1_email(x);
804                                 else
805                                         emlst = X509_get1_ocsp(x);
806                                 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
807                                         BIO_printf(STDout, "%s\n",
808                                                    sk_OPENSSL_STRING_value(emlst, j));
809                                 X509_email_free(emlst);
810                                 }
811                         else if (aliasout == i)
812                                 {
813                                 unsigned char *alstr;
814                                 alstr = X509_alias_get0(x, NULL);
815                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
816                                 else BIO_puts(STDout,"<No Alias>\n");
817                                 }
818                         else if (subject_hash == i)
819                                 {
820                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
821                                 }
822 #ifndef OPENSSL_NO_MD5
823                         else if (subject_hash_old == i)
824                                 {
825                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash_old(x));
826                                 }
827 #endif
828                         else if (issuer_hash == i)
829                                 {
830                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
831                                 }
832 #ifndef OPENSSL_NO_MD5
833                         else if (issuer_hash_old == i)
834                                 {
835                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash_old(x));
836                                 }
837 #endif
838                         else if (pprint == i)
839                                 {
840                                 X509_PURPOSE *ptmp;
841                                 int j;
842                                 BIO_printf(STDout, "Certificate purposes:\n");
843                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
844                                         {
845                                         ptmp = X509_PURPOSE_get0(j);
846                                         purpose_print(STDout, x, ptmp);
847                                         }
848                                 }
849                         else
850                                 if (modulus == i)
851                                 {
852                                 EVP_PKEY *pkey;
853
854                                 pkey=X509_get_pubkey(x);
855                                 if (pkey == NULL)
856                                         {
857                                         BIO_printf(bio_err,"Modulus=unavailable\n");
858                                         ERR_print_errors(bio_err);
859                                         goto end;
860                                         }
861                                 BIO_printf(STDout,"Modulus=");
862 #ifndef OPENSSL_NO_RSA
863                                 if (pkey->type == EVP_PKEY_RSA)
864                                         BN_print(STDout,pkey->pkey.rsa->n);
865                                 else
866 #endif
867 #ifndef OPENSSL_NO_DSA
868                                 if (pkey->type == EVP_PKEY_DSA)
869                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
870                                 else
871 #endif
872                                         BIO_printf(STDout,"Wrong Algorithm type");
873                                 BIO_printf(STDout,"\n");
874                                 EVP_PKEY_free(pkey);
875                                 }
876                         else
877                                 if (pubkey == i)
878                                 {
879                                 EVP_PKEY *pkey;
880
881                                 pkey=X509_get_pubkey(x);
882                                 if (pkey == NULL)
883                                         {
884                                         BIO_printf(bio_err,"Error getting public key\n");
885                                         ERR_print_errors(bio_err);
886                                         goto end;
887                                         }
888                                 PEM_write_bio_PUBKEY(STDout, pkey);
889                                 EVP_PKEY_free(pkey);
890                                 }
891                         else
892                                 if (C == i)
893                                 {
894                                 unsigned char *d;
895                                 char *m;
896                                 int y,z;
897
898                                 X509_NAME_oneline(X509_get_subject_name(x),
899                                         buf,sizeof buf);
900                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
901                                 m=X509_NAME_oneline(
902                                         X509_get_issuer_name(x),buf,
903                                         sizeof buf);
904                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
905
906                                 z=i2d_X509(x,NULL);
907                                 m=OPENSSL_malloc(z);
908
909                                 d=(unsigned char *)m;
910                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
911                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
912                                 d=(unsigned char *)m;
913                                 for (y=0; y<z; y++)
914                                         {
915                                         BIO_printf(STDout,"0x%02X,",d[y]);
916                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
917                                         }
918                                 if (y%16 != 0) BIO_printf(STDout,"\n");
919                                 BIO_printf(STDout,"};\n");
920
921                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
922                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
923                                 d=(unsigned char *)m;
924                                 for (y=0; y<z; y++)
925                                         {
926                                         BIO_printf(STDout,"0x%02X,",d[y]);
927                                         if ((y & 0x0f) == 0x0f)
928                                                 BIO_printf(STDout,"\n");
929                                         }
930                                 if (y%16 != 0) BIO_printf(STDout,"\n");
931                                 BIO_printf(STDout,"};\n");
932
933                                 z=i2d_X509(x,&d);
934                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
935                                 d=(unsigned char *)m;
936                                 for (y=0; y<z; y++)
937                                         {
938                                         BIO_printf(STDout,"0x%02X,",d[y]);
939                                         if ((y & 0x0f) == 0x0f)
940                                                 BIO_printf(STDout,"\n");
941                                         }
942                                 if (y%16 != 0) BIO_printf(STDout,"\n");
943                                 BIO_printf(STDout,"};\n");
944
945                                 OPENSSL_free(m);
946                                 }
947                         else if (text == i)
948                                 {
949                                 X509_print_ex(STDout,x,nmflag, certflag);
950                                 }
951                         else if (startdate == i)
952                                 {
953                                 BIO_puts(STDout,"notBefore=");
954                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
955                                 BIO_puts(STDout,"\n");
956                                 }
957                         else if (enddate == i)
958                                 {
959                                 BIO_puts(STDout,"notAfter=");
960                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
961                                 BIO_puts(STDout,"\n");
962                                 }
963                         else if (fingerprint == i)
964                                 {
965                                 int j;
966                                 unsigned int n;
967                                 unsigned char md[EVP_MAX_MD_SIZE];
968                                 const EVP_MD *fdig = digest;
969
970                                 if (!fdig)
971                                         fdig = EVP_sha1();
972
973                                 if (!X509_digest(x,fdig,md,&n))
974                                         {
975                                         BIO_printf(bio_err,"out of memory\n");
976                                         goto end;
977                                         }
978                                 BIO_printf(STDout,"%s Fingerprint=",
979                                                 OBJ_nid2sn(EVP_MD_type(fdig)));
980                                 for (j=0; j<(int)n; j++)
981                                         {
982                                         BIO_printf(STDout,"%02X%c",md[j],
983                                                 (j+1 == (int)n)
984                                                 ?'\n':':');
985                                         }
986                                 }
987
988                         /* should be in the library */
989                         else if ((sign_flag == i) && (x509req == 0))
990                                 {
991                                 BIO_printf(bio_err,"Getting Private key\n");
992                                 if (Upkey == NULL)
993                                         {
994                                         Upkey=load_key(bio_err,
995                                                 keyfile, keyformat, 0,
996                                                 passin, e, "Private key");
997                                         if (Upkey == NULL) goto end;
998                                         }
999
1000                                 assert(need_rand);
1001                                 if (!sign(x,Upkey,days,clrext,digest,
1002                                                  extconf, extsect)) goto end;
1003                                 }
1004                         else if (CA_flag == i)
1005                                 {
1006                                 BIO_printf(bio_err,"Getting CA Private Key\n");
1007                                 if (CAkeyfile != NULL)
1008                                         {
1009                                         CApkey=load_key(bio_err,
1010                                                 CAkeyfile, CAkeyformat,
1011                                                 0, passin, e,
1012                                                 "CA Private Key");
1013                                         if (CApkey == NULL) goto end;
1014                                         }
1015                                 
1016                                 assert(need_rand);
1017                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
1018                                         CApkey, sigopts,
1019                                         CAserial,CA_createserial,days, clrext,
1020                                         extconf, extsect, sno))
1021                                         goto end;
1022                                 }
1023                         else if (x509req == i)
1024                                 {
1025                                 EVP_PKEY *pk;
1026
1027                                 BIO_printf(bio_err,"Getting request Private Key\n");
1028                                 if (keyfile == NULL)
1029                                         {
1030                                         BIO_printf(bio_err,"no request key file specified\n");
1031                                         goto end;
1032                                         }
1033                                 else
1034                                         {
1035                                         pk=load_key(bio_err,
1036                                                 keyfile, keyformat, 0,
1037                                                 passin, e, "request key");
1038                                         if (pk == NULL) goto end;
1039                                         }
1040
1041                                 BIO_printf(bio_err,"Generating certificate request\n");
1042
1043                                 rq=X509_to_X509_REQ(x,pk,digest);
1044                                 EVP_PKEY_free(pk);
1045                                 if (rq == NULL)
1046                                         {
1047                                         ERR_print_errors(bio_err);
1048                                         goto end;
1049                                         }
1050                                 if (!noout)
1051                                         {
1052                                         X509_REQ_print(out,rq);
1053                                         PEM_write_bio_X509_REQ(out,rq);
1054                                         }
1055                                 noout=1;
1056                                 }
1057                         else if (ocspid == i)
1058                                 {
1059                                 X509_ocspid_print(out, x);
1060                                 }
1061                         }
1062                 }
1063
1064         if (checkend)
1065                 {
1066                 time_t tcheck=time(NULL) + checkoffset;
1067
1068                 if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
1069                         {
1070                         BIO_printf(out,"Certificate will expire\n");
1071                         ret=1;
1072                         }
1073                 else
1074                         {
1075                         BIO_printf(out,"Certificate will not expire\n");
1076                         ret=0;
1077                         }
1078                 goto end;
1079                 }
1080
1081         print_cert_checks(STDout, x, checkhost, checkemail, checkip);
1082
1083         if (noout)
1084                 {
1085                 ret=0;
1086                 goto end;
1087                 }
1088
1089         if      (outformat == FORMAT_ASN1)
1090                 i=i2d_X509_bio(out,x);
1091         else if (outformat == FORMAT_PEM)
1092                 {
1093                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1094                 else i=PEM_write_bio_X509(out,x);
1095                 }
1096         else if (outformat == FORMAT_NETSCAPE)
1097                 {
1098                 NETSCAPE_X509 nx;
1099                 ASN1_OCTET_STRING hdr;
1100
1101                 hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
1102                 hdr.length=strlen(NETSCAPE_CERT_HDR);
1103                 nx.header= &hdr;
1104                 nx.cert=x;
1105
1106                 i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
1107                 }
1108         else    {
1109                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1110                 goto end;
1111                 }
1112         if (!i)
1113                 {
1114                 BIO_printf(bio_err,"unable to write certificate\n");
1115                 ERR_print_errors(bio_err);
1116                 goto end;
1117                 }
1118         ret=0;
1119 end:
1120         if (need_rand)
1121                 app_RAND_write_file(NULL, bio_err);
1122         OBJ_cleanup();
1123         NCONF_free(extconf);
1124         BIO_free_all(out);
1125         BIO_free_all(STDout);
1126         X509_STORE_free(ctx);
1127         X509_REQ_free(req);
1128         X509_free(x);
1129         X509_free(xca);
1130         EVP_PKEY_free(Upkey);
1131         EVP_PKEY_free(CApkey);
1132         EVP_PKEY_free(fkey);
1133         if (sigopts)
1134                 sk_OPENSSL_STRING_free(sigopts);
1135         X509_REQ_free(rq);
1136         ASN1_INTEGER_free(sno);
1137         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1138         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1139         if (passin) OPENSSL_free(passin);
1140         apps_shutdown();
1141         OPENSSL_EXIT(ret);
1142         }
1143
1144 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1145         {
1146         char *buf = NULL, *p;
1147         ASN1_INTEGER *bs = NULL;
1148         BIGNUM *serial = NULL;
1149         size_t len;
1150
1151         len = ((serialfile == NULL)
1152                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1153                 :(strlen(serialfile)))+1;
1154         buf=OPENSSL_malloc(len);
1155         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1156         if (serialfile == NULL)
1157                 {
1158                 BUF_strlcpy(buf,CAfile,len);
1159                 for (p=buf; *p; p++)
1160                         if (*p == '.')
1161                                 {
1162                                 *p='\0';
1163                                 break;
1164                                 }
1165                 BUF_strlcat(buf,POSTFIX,len);
1166                 }
1167         else
1168                 BUF_strlcpy(buf,serialfile,len);
1169
1170         serial = load_serial(buf, create, NULL);
1171         if (serial == NULL) goto end;
1172
1173         if (!BN_add_word(serial,1))
1174                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1175
1176         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1177
1178  end:
1179         if (buf) OPENSSL_free(buf);
1180         BN_free(serial);
1181         return bs;
1182         }
1183
1184 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1185                         X509 *x, X509 *xca, EVP_PKEY *pkey,
1186                         STACK_OF(OPENSSL_STRING) *sigopts,
1187                         char *serialfile, int create,
1188                         int days, int clrext, CONF *conf, char *section,
1189                         ASN1_INTEGER *sno)
1190         {
1191         int ret=0;
1192         ASN1_INTEGER *bs=NULL;
1193         X509_STORE_CTX xsc;
1194         EVP_PKEY *upkey;
1195
1196         upkey = X509_get_pubkey(xca);
1197         EVP_PKEY_copy_parameters(upkey,pkey);
1198         EVP_PKEY_free(upkey);
1199
1200         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1201                 {
1202                 BIO_printf(bio_err,"Error initialising X509 store\n");
1203                 goto end;
1204                 }
1205         if (sno) bs = sno;
1206         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1207                 goto end;
1208
1209 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1210
1211         /* NOTE: this certificate can/should be self signed, unless it was
1212          * a certificate request in which case it is not. */
1213         X509_STORE_CTX_set_cert(&xsc,x);
1214         X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1215         if (!reqfile && X509_verify_cert(&xsc) <= 0)
1216                 goto end;
1217
1218         if (!X509_check_private_key(xca,pkey))
1219                 {
1220                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1221                 goto end;
1222                 }
1223
1224         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1225         if (!X509_set_serialNumber(x,bs)) goto end;
1226
1227         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1228                 goto end;
1229
1230         /* hardwired expired */
1231         if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)
1232                 goto end;
1233
1234         if (clrext)
1235                 {
1236                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1237                 }
1238
1239         if (conf)
1240                 {
1241                 X509V3_CTX ctx2;
1242                 X509_set_version(x,2); /* version 3 certificate */
1243                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1244                 X509V3_set_nconf(&ctx2, conf);
1245                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1246                 }
1247
1248         if (!do_X509_sign(bio_err, x, pkey, digest, sigopts))
1249                 goto end;
1250         ret=1;
1251 end:
1252         X509_STORE_CTX_cleanup(&xsc);
1253         if (!ret)
1254                 ERR_print_errors(bio_err);
1255         if (!sno) ASN1_INTEGER_free(bs);
1256         return ret;
1257         }
1258
1259 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1260         {
1261         int err;
1262         X509 *err_cert;
1263
1264         /* it is ok to use a self signed certificate
1265          * This case will catch both the initial ok == 0 and the
1266          * final ok == 1 calls to this function */
1267         err=X509_STORE_CTX_get_error(ctx);
1268         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1269                 return 1;
1270
1271         /* BAD we should have gotten an error.  Normally if everything
1272          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1273          * DEPTH_ZERO_SELF_.... */
1274         if (ok)
1275                 {
1276                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1277                 return 0;
1278                 }
1279         else
1280                 {
1281                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1282                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1283                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1284                         err,X509_STORE_CTX_get_error_depth(ctx),
1285                         X509_verify_cert_error_string(err));
1286                 return 1;
1287                 }
1288         }
1289
1290 /* self sign */
1291 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1292                                                 CONF *conf, char *section)
1293         {
1294
1295         EVP_PKEY *pktmp;
1296
1297         pktmp = X509_get_pubkey(x);
1298         EVP_PKEY_copy_parameters(pktmp,pkey);
1299         EVP_PKEY_save_parameters(pktmp,1);
1300         EVP_PKEY_free(pktmp);
1301
1302         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1303         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1304
1305         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1306         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1307         /* 28 days to be certified */
1308
1309         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1310                 goto err;
1311
1312         if (!X509_set_pubkey(x,pkey)) goto err;
1313         if (clrext)
1314                 {
1315                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1316                 }
1317         if (conf)
1318                 {
1319                 X509V3_CTX ctx;
1320                 X509_set_version(x,2); /* version 3 certificate */
1321                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1322                 X509V3_set_nconf(&ctx, conf);
1323                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1324                 }
1325         if (!X509_sign(x,pkey,digest)) goto err;
1326         return 1;
1327 err:
1328         ERR_print_errors(bio_err);
1329         return 0;
1330         }
1331
1332 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1333 {
1334         int id, i, idret;
1335         char *pname;
1336         id = X509_PURPOSE_get_id(pt);
1337         pname = X509_PURPOSE_get0_name(pt);
1338         for (i = 0; i < 2; i++)
1339                 {
1340                 idret = X509_check_purpose(cert, id, i);
1341                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1342                 if (idret == 1) BIO_printf(bio, "Yes\n");
1343                 else if (idret == 0) BIO_printf(bio, "No\n");
1344                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1345                 }
1346         return 1;
1347 }