Move the SCT List extension parser into libssl.
[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 #include <openssl/ssl.h>
77 #ifndef OPENSSL_NO_RSA
78 #include <openssl/rsa.h>
79 #endif
80 #ifndef OPENSSL_NO_DSA
81 #include <openssl/dsa.h>
82 #endif
83
84 #undef PROG
85 #define PROG x509_main
86
87 #undef POSTFIX
88 #define POSTFIX ".srl"
89 #define DEF_DAYS        30
90
91 static const char *x509_usage[]={
92 "usage: x509 args\n",
93 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
94 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
95 " -keyform arg    - private key format - default PEM\n",
96 " -CAform arg     - CA format - default PEM\n",
97 " -CAkeyform arg  - CA key format - default PEM\n",
98 " -in arg         - input file - default stdin\n",
99 " -out arg        - output file - default stdout\n",
100 " -passin arg     - private key password source\n",
101 " -serial         - print serial number value\n",
102 " -subject_hash   - print subject hash value\n",
103 #ifndef OPENSSL_NO_MD5
104 " -subject_hash_old   - print old-style (MD5) subject hash value\n",
105 #endif
106 " -issuer_hash    - print issuer hash value\n",
107 #ifndef OPENSSL_NO_MD5
108 " -issuer_hash_old    - print old-style (MD5) issuer hash value\n",
109 #endif
110 " -hash           - synonym for -subject_hash\n",
111 " -subject        - print subject DN\n",
112 " -issuer         - print issuer DN\n",
113 " -email          - print email address(es)\n",
114 " -startdate      - notBefore field\n",
115 " -enddate        - notAfter field\n",
116 " -purpose        - print out certificate purposes\n",
117 " -dates          - both Before and After dates\n",
118 " -modulus        - print the RSA key modulus\n",
119 " -pubkey         - output the public key\n",
120 " -fingerprint    - print the certificate fingerprint\n",
121 " -alias          - output certificate alias\n",
122 " -noout          - no certificate output\n",
123 " -ocspid         - print OCSP hash values for the subject name and public key\n",
124 " -ocsp_uri       - print OCSP Responder URL(s)\n",
125 " -trustout       - output a \"trusted\" certificate\n",
126 " -clrtrust       - clear all trusted purposes\n",
127 " -clrreject      - clear all rejected purposes\n",
128 " -addtrust arg   - trust certificate for a given purpose\n",
129 " -addreject arg  - reject certificate for a given purpose\n",
130 " -setalias arg   - set certificate alias\n",
131 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
132 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
133 "                   exit 1 if so, 0 if not\n",
134 " -signkey arg    - self sign cert with arg\n",
135 " -x509toreq      - output a certification request object\n",
136 " -req            - input is a certificate request, sign and output.\n",
137 " -CA arg         - set the CA certificate, must be PEM format.\n",
138 " -CAkey arg      - set the CA key, must be PEM format\n",
139 "                   missing, it is assumed to be in the CA file.\n",
140 " -CAcreateserial - create serial number file if it does not exist\n",
141 " -CAserial arg   - serial file\n",
142 " -set_serial     - serial number to use\n",
143 " -text           - print the certificate in text form\n",
144 " -C              - print out C code forms\n",
145 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
146 " -extfile        - configuration file with X509V3 extensions to add\n",
147 " -extensions     - section from config file with X509V3 extensions to add\n",
148 " -clrext         - delete extensions before signing and input certificate\n",
149 " -nameopt arg    - various certificate name options\n",
150 #ifndef OPENSSL_NO_ENGINE
151 " -engine e       - use engine e, possibly a hardware device.\n",
152 #endif
153 " -certopt arg    - various certificate text options\n",
154 " -checkhost host - check certificate matches \"host\"\n",
155 " -checkemail email - check certificate matches \"email\"\n",
156 " -checkip ipaddr - check certificate matches \"ipaddr\"\n",
157 NULL
158 };
159
160 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
161 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
162                                                 CONF *conf, char *section);
163 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
164                          X509 *x,X509 *xca,EVP_PKEY *pkey,
165                          STACK_OF(OPENSSL_STRING) *sigopts,
166                          char *serial, int create ,int days, int clrext,
167                          CONF *conf, char *section, ASN1_INTEGER *sno);
168 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
169 static int reqfile=0;
170 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
171 static int force_version=2;
172 #endif
173
174 int MAIN(int, char **);
175
176 int MAIN(int argc, char **argv)
177         {
178         ENGINE *e = NULL;
179         int ret=1;
180         X509_REQ *req=NULL;
181         X509 *x=NULL,*xca=NULL;
182         ASN1_OBJECT *objtmp;
183         STACK_OF(OPENSSL_STRING) *sigopts = NULL;
184         EVP_PKEY *Upkey=NULL,*CApkey=NULL, *fkey = NULL;
185         ASN1_INTEGER *sno = NULL;
186         int i,num,badops=0, badsig=0;
187         BIO *out=NULL;
188         BIO *STDout=NULL;
189         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
190         int informat,outformat,keyformat,CAformat,CAkeyformat;
191         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
192         char *CAkeyfile=NULL,*CAserial=NULL;
193         char *fkeyfile=NULL;
194         char *alias=NULL;
195         int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
196         int next_serial=0;
197         int subject_hash=0,issuer_hash=0,ocspid=0;
198 #ifndef OPENSSL_NO_MD5
199         int subject_hash_old=0,issuer_hash_old=0;
200 #endif
201         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
202         int ocsp_uri=0;
203         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
204         int C=0;
205         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
206         int pprint = 0;
207         const char **pp;
208         X509_STORE *ctx=NULL;
209         X509_REQ *rq=NULL;
210         int fingerprint=0;
211         char buf[256];
212         const EVP_MD *md_alg,*digest=NULL;
213         CONF *extconf = NULL;
214         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
215         int need_rand = 0;
216         int checkend=0,checkoffset=0;
217         unsigned long nmflag = 0, certflag = 0;
218         unsigned char *checkhost = NULL, *checkemail = NULL;
219         char *checkip = NULL;
220 #ifndef OPENSSL_NO_ENGINE
221         char *engine=NULL;
222 #endif
223
224         reqfile=0;
225
226         apps_startup();
227
228         X509V3_EXT_add_rfc6962();
229
230         if (bio_err == NULL)
231                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
232
233         if (!load_config(bio_err, NULL))
234                 goto end;
235         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
236 #ifdef OPENSSL_SYS_VMS
237         {
238         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
239         STDout = BIO_push(tmpbio, STDout);
240         }
241 #endif
242
243         informat=FORMAT_PEM;
244         outformat=FORMAT_PEM;
245         keyformat=FORMAT_PEM;
246         CAformat=FORMAT_PEM;
247         CAkeyformat=FORMAT_PEM;
248
249         ctx=X509_STORE_new();
250         if (ctx == NULL) goto end;
251         X509_STORE_set_verify_cb(ctx,callb);
252
253         argc--;
254         argv++;
255         num=0;
256         while (argc >= 1)
257                 {
258                 if      (strcmp(*argv,"-inform") == 0)
259                         {
260                         if (--argc < 1) goto bad;
261                         informat=str2fmt(*(++argv));
262                         }
263                 else if (strcmp(*argv,"-outform") == 0)
264                         {
265                         if (--argc < 1) goto bad;
266                         outformat=str2fmt(*(++argv));
267                         }
268                 else if (strcmp(*argv,"-keyform") == 0)
269                         {
270                         if (--argc < 1) goto bad;
271                         keyformat=str2fmt(*(++argv));
272                         }
273                 else if (strcmp(*argv,"-req") == 0)
274                         {
275                         reqfile=1;
276                         need_rand = 1;
277                         }
278                 else if (strcmp(*argv,"-CAform") == 0)
279                         {
280                         if (--argc < 1) goto bad;
281                         CAformat=str2fmt(*(++argv));
282                         }
283                 else if (strcmp(*argv,"-CAkeyform") == 0)
284                         {
285                         if (--argc < 1) goto bad;
286                         CAkeyformat=str2fmt(*(++argv));
287                         }
288                 else if (strcmp(*argv,"-sigopt") == 0)
289                         {
290                         if (--argc < 1)
291                                 goto bad;
292                         if (!sigopts)
293                                 sigopts = sk_OPENSSL_STRING_new_null();
294                         if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
295                                 goto bad;
296                         }
297 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
298                 else if (strcmp(*argv,"-force_version") == 0)
299                         {
300                         if (--argc < 1) goto bad;
301                         force_version=atoi(*(++argv)) - 1;
302                         }
303 #endif
304                 else if (strcmp(*argv,"-days") == 0)
305                         {
306                         if (--argc < 1) goto bad;
307                         days=atoi(*(++argv));
308                         if (days == 0)
309                                 {
310                                 BIO_printf(bio_err,"bad number of days\n");
311                                 goto bad;
312                                 }
313                         }
314                 else if (strcmp(*argv,"-passin") == 0)
315                         {
316                         if (--argc < 1) goto bad;
317                         passargin= *(++argv);
318                         }
319                 else if (strcmp(*argv,"-extfile") == 0)
320                         {
321                         if (--argc < 1) goto bad;
322                         extfile= *(++argv);
323                         }
324                 else if (strcmp(*argv,"-extensions") == 0)
325                         {
326                         if (--argc < 1) goto bad;
327                         extsect= *(++argv);
328                         }
329                 else if (strcmp(*argv,"-in") == 0)
330                         {
331                         if (--argc < 1) goto bad;
332                         infile= *(++argv);
333                         }
334                 else if (strcmp(*argv,"-out") == 0)
335                         {
336                         if (--argc < 1) goto bad;
337                         outfile= *(++argv);
338                         }
339                 else if (strcmp(*argv,"-signkey") == 0)
340                         {
341                         if (--argc < 1) goto bad;
342                         keyfile= *(++argv);
343                         sign_flag= ++num;
344                         need_rand = 1;
345                         }
346                 else if (strcmp(*argv,"-CA") == 0)
347                         {
348                         if (--argc < 1) goto bad;
349                         CAfile= *(++argv);
350                         CA_flag= ++num;
351                         need_rand = 1;
352                         }
353                 else if (strcmp(*argv,"-CAkey") == 0)
354                         {
355                         if (--argc < 1) goto bad;
356                         CAkeyfile= *(++argv);
357                         }
358                 else if (strcmp(*argv,"-CAserial") == 0)
359                         {
360                         if (--argc < 1) goto bad;
361                         CAserial= *(++argv);
362                         }
363                 else if (strcmp(*argv,"-set_serial") == 0)
364                         {
365                         if (--argc < 1) goto bad;
366                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
367                                 goto bad;
368                         }
369                 else if (strcmp(*argv,"-force_pubkey") == 0)
370                         {
371                         if (--argc < 1) goto bad;
372                         fkeyfile= *(++argv);
373                         }
374                 else if (strcmp(*argv,"-addtrust") == 0)
375                         {
376                         if (--argc < 1) goto bad;
377                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
378                                 {
379                                 BIO_printf(bio_err,
380                                         "Invalid trust object value %s\n", *argv);
381                                 goto bad;
382                                 }
383                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
384                         sk_ASN1_OBJECT_push(trust, objtmp);
385                         trustout = 1;
386                         }
387                 else if (strcmp(*argv,"-addreject") == 0)
388                         {
389                         if (--argc < 1) goto bad;
390                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
391                                 {
392                                 BIO_printf(bio_err,
393                                         "Invalid reject object value %s\n", *argv);
394                                 goto bad;
395                                 }
396                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
397                         sk_ASN1_OBJECT_push(reject, objtmp);
398                         trustout = 1;
399                         }
400                 else if (strcmp(*argv,"-setalias") == 0)
401                         {
402                         if (--argc < 1) goto bad;
403                         alias= *(++argv);
404                         trustout = 1;
405                         }
406                 else if (strcmp(*argv,"-certopt") == 0)
407                         {
408                         if (--argc < 1) goto bad;
409                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
410                         }
411                 else if (strcmp(*argv,"-nameopt") == 0)
412                         {
413                         if (--argc < 1) goto bad;
414                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
415                         }
416 #ifndef OPENSSL_NO_ENGINE
417                 else if (strcmp(*argv,"-engine") == 0)
418                         {
419                         if (--argc < 1) goto bad;
420                         engine= *(++argv);
421                         }
422 #endif
423                 else if (strcmp(*argv,"-C") == 0)
424                         C= ++num;
425                 else if (strcmp(*argv,"-email") == 0)
426                         email= ++num;
427                 else if (strcmp(*argv,"-ocsp_uri") == 0)
428                         ocsp_uri= ++num;
429                 else if (strcmp(*argv,"-serial") == 0)
430                         serial= ++num;
431                 else if (strcmp(*argv,"-next_serial") == 0)
432                         next_serial= ++num;
433                 else if (strcmp(*argv,"-modulus") == 0)
434                         modulus= ++num;
435                 else if (strcmp(*argv,"-pubkey") == 0)
436                         pubkey= ++num;
437                 else if (strcmp(*argv,"-x509toreq") == 0)
438                         x509req= ++num;
439                 else if (strcmp(*argv,"-text") == 0)
440                         text= ++num;
441                 else if (strcmp(*argv,"-hash") == 0
442                         || strcmp(*argv,"-subject_hash") == 0)
443                         subject_hash= ++num;
444 #ifndef OPENSSL_NO_MD5
445                 else if (strcmp(*argv,"-subject_hash_old") == 0)
446                         subject_hash_old= ++num;
447 #endif
448                 else if (strcmp(*argv,"-issuer_hash") == 0)
449                         issuer_hash= ++num;
450 #ifndef OPENSSL_NO_MD5
451                 else if (strcmp(*argv,"-issuer_hash_old") == 0)
452                         issuer_hash_old= ++num;
453 #endif
454                 else if (strcmp(*argv,"-subject") == 0)
455                         subject= ++num;
456                 else if (strcmp(*argv,"-issuer") == 0)
457                         issuer= ++num;
458                 else if (strcmp(*argv,"-fingerprint") == 0)
459                         fingerprint= ++num;
460                 else if (strcmp(*argv,"-dates") == 0)
461                         {
462                         startdate= ++num;
463                         enddate= ++num;
464                         }
465                 else if (strcmp(*argv,"-purpose") == 0)
466                         pprint= ++num;
467                 else if (strcmp(*argv,"-startdate") == 0)
468                         startdate= ++num;
469                 else if (strcmp(*argv,"-enddate") == 0)
470                         enddate= ++num;
471                 else if (strcmp(*argv,"-checkend") == 0)
472                         {
473                         if (--argc < 1) goto bad;
474                         checkoffset=atoi(*(++argv));
475                         checkend=1;
476                         }
477                 else if (strcmp(*argv,"-checkhost") == 0)
478                         {
479                         if (--argc < 1) goto bad;
480                         checkhost=(unsigned char *)*(++argv);
481                         }
482                 else if (strcmp(*argv,"-checkemail") == 0)
483                         {
484                         if (--argc < 1) goto bad;
485                         checkemail=(unsigned char *)*(++argv);
486                         }
487                 else if (strcmp(*argv,"-checkip") == 0)
488                         {
489                         if (--argc < 1) goto bad;
490                         checkip=*(++argv);
491                         }
492                 else if (strcmp(*argv,"-noout") == 0)
493                         noout= ++num;
494                 else if (strcmp(*argv,"-trustout") == 0)
495                         trustout= 1;
496                 else if (strcmp(*argv,"-clrtrust") == 0)
497                         clrtrust= ++num;
498                 else if (strcmp(*argv,"-clrreject") == 0)
499                         clrreject= ++num;
500                 else if (strcmp(*argv,"-alias") == 0)
501                         aliasout= ++num;
502                 else if (strcmp(*argv,"-CAcreateserial") == 0)
503                         CA_createserial= ++num;
504                 else if (strcmp(*argv,"-clrext") == 0)
505                         clrext = 1;
506 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
507                 else if (strcmp(*argv,"-crlext") == 0)
508                         {
509                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
510                         clrext = 1;
511                         }
512 #endif
513                 else if (strcmp(*argv,"-ocspid") == 0)
514                         ocspid= ++num;
515                 else if (strcmp(*argv,"-badsig") == 0)
516                         badsig = 1;
517                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
518                         {
519                         /* ok */
520                         digest=md_alg;
521                         }
522                 else
523                         {
524                         BIO_printf(bio_err,"unknown option %s\n",*argv);
525                         badops=1;
526                         break;
527                         }
528                 argc--;
529                 argv++;
530                 }
531
532         if (badops)
533                 {
534 bad:
535                 for (pp=x509_usage; (*pp != NULL); pp++)
536                         BIO_printf(bio_err,"%s",*pp);
537                 goto end;
538                 }
539
540 #ifndef OPENSSL_NO_ENGINE
541         e = setup_engine(bio_err, engine, 0);
542 #endif
543
544         if (need_rand)
545                 app_RAND_load_file(NULL, bio_err, 0);
546
547         ERR_load_crypto_strings();
548
549         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
550                 {
551                 BIO_printf(bio_err, "Error getting password\n");
552                 goto end;
553                 }
554
555         if (!X509_STORE_set_default_paths(ctx))
556                 {
557                 ERR_print_errors(bio_err);
558                 goto end;
559                 }
560
561         if (fkeyfile)
562                 {
563                 fkey = load_pubkey(bio_err, fkeyfile, keyformat, 0,
564                                                 NULL, e, "Forced key");
565                 if (fkey == NULL) goto end;
566                 }
567
568         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
569                 { CAkeyfile=CAfile; }
570         else if ((CA_flag) && (CAkeyfile == NULL))
571                 {
572                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
573                 goto end;
574                 }
575
576         if (extfile)
577                 {
578                 long errorline = -1;
579                 X509V3_CTX ctx2;
580                 extconf = NCONF_new(NULL);
581                 if (!NCONF_load(extconf, extfile,&errorline))
582                         {
583                         if (errorline <= 0)
584                                 BIO_printf(bio_err,
585                                         "error loading the config file '%s'\n",
586                                                                 extfile);
587                         else
588                                 BIO_printf(bio_err,
589                                        "error on line %ld of config file '%s'\n"
590                                                         ,errorline,extfile);
591                         goto end;
592                         }
593                 if (!extsect)
594                         {
595                         extsect = NCONF_get_string(extconf, "default", "extensions");
596                         if (!extsect)
597                                 {
598                                 ERR_clear_error();
599                                 extsect = "default";
600                                 }
601                         }
602                 X509V3_set_ctx_test(&ctx2);
603                 X509V3_set_nconf(&ctx2, extconf);
604                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
605                         {
606                         BIO_printf(bio_err,
607                                 "Error Loading extension section %s\n",
608                                                                  extsect);
609                         ERR_print_errors(bio_err);
610                         goto end;
611                         }
612                 }
613
614
615         if (reqfile)
616                 {
617                 EVP_PKEY *pkey;
618                 BIO *in;
619
620                 if (!sign_flag && !CA_flag)
621                         {
622                         BIO_printf(bio_err,"We need a private key to sign with\n");
623                         goto end;
624                         }
625                 in=BIO_new(BIO_s_file());
626                 if (in == NULL)
627                         {
628                         ERR_print_errors(bio_err);
629                         goto end;
630                         }
631
632                 if (infile == NULL)
633                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
634                 else
635                         {
636                         if (BIO_read_filename(in,infile) <= 0)
637                                 {
638                                 perror(infile);
639                                 BIO_free(in);
640                                 goto end;
641                                 }
642                         }
643                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
644                 BIO_free(in);
645
646                 if (req == NULL)
647                         {
648                         ERR_print_errors(bio_err);
649                         goto end;
650                         }
651
652                 if (    (req->req_info == NULL) ||
653                         (req->req_info->pubkey == NULL) ||
654                         (req->req_info->pubkey->public_key == NULL) ||
655                         (req->req_info->pubkey->public_key->data == NULL))
656                         {
657                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
658                         BIO_printf(bio_err,"It does not contain a public key\n");
659                         goto end;
660                         }
661                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
662                         {
663                         BIO_printf(bio_err,"error unpacking public key\n");
664                         goto end;
665                         }
666                 i=X509_REQ_verify(req,pkey);
667                 EVP_PKEY_free(pkey);
668                 if (i < 0)
669                         {
670                         BIO_printf(bio_err,"Signature verification error\n");
671                         ERR_print_errors(bio_err);
672                         goto end;
673                         }
674                 if (i == 0)
675                         {
676                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
677                         goto end;
678                         }
679                 else
680                         BIO_printf(bio_err,"Signature ok\n");
681
682                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
683
684                 if ((x=X509_new()) == NULL) goto end;
685
686                 if (sno == NULL)
687                         {
688                         sno = ASN1_INTEGER_new();
689                         if (!sno || !rand_serial(NULL, sno))
690                                 goto end;
691                         if (!X509_set_serialNumber(x, sno)) 
692                                 goto end;
693                         ASN1_INTEGER_free(sno);
694                         sno = NULL;
695                         }
696                 else if (!X509_set_serialNumber(x, sno)) 
697                         goto end;
698
699                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
700                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
701
702                 X509_gmtime_adj(X509_get_notBefore(x),0);
703                 X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL);
704                 if (fkey)
705                         X509_set_pubkey(x, fkey);
706                 else
707                         {
708                         pkey = X509_REQ_get_pubkey(req);
709                         X509_set_pubkey(x,pkey);
710                         EVP_PKEY_free(pkey);
711                         }
712                 }
713         else
714                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
715
716         if (x == NULL) goto end;
717         if (CA_flag)
718                 {
719                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
720                 if (xca == NULL) goto end;
721                 }
722
723         if (!noout || text || next_serial)
724                 {
725                 OBJ_create("2.99999.3",
726                         "SET.ex3","SET x509v3 extension 3");
727
728                 out=BIO_new(BIO_s_file());
729                 if (out == NULL)
730                         {
731                         ERR_print_errors(bio_err);
732                         goto end;
733                         }
734                 if (outfile == NULL)
735                         {
736                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
737 #ifdef OPENSSL_SYS_VMS
738                         {
739                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
740                         out = BIO_push(tmpbio, out);
741                         }
742 #endif
743                         }
744                 else
745                         {
746                         if (BIO_write_filename(out,outfile) <= 0)
747                                 {
748                                 perror(outfile);
749                                 goto end;
750                                 }
751                         }
752                 }
753
754         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
755
756         if (clrtrust) X509_trust_clear(x);
757         if (clrreject) X509_reject_clear(x);
758
759         if (trust)
760                 {
761                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
762                         {
763                         objtmp = sk_ASN1_OBJECT_value(trust, i);
764                         X509_add1_trust_object(x, objtmp);
765                         }
766                 }
767
768         if (reject)
769                 {
770                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
771                         {
772                         objtmp = sk_ASN1_OBJECT_value(reject, i);
773                         X509_add1_reject_object(x, objtmp);
774                         }
775                 }
776
777         if (num)
778                 {
779                 for (i=1; i<=num; i++)
780                         {
781                         if (issuer == i)
782                                 {
783                                 print_name(STDout, "issuer= ",
784                                         X509_get_issuer_name(x), nmflag);
785                                 }
786                         else if (subject == i) 
787                                 {
788                                 print_name(STDout, "subject= ",
789                                         X509_get_subject_name(x), nmflag);
790                                 }
791                         else if (serial == i)
792                                 {
793                                 BIO_printf(STDout,"serial=");
794                                 i2a_ASN1_INTEGER(STDout,
795                                         X509_get_serialNumber(x));
796                                 BIO_printf(STDout,"\n");
797                                 }
798                         else if (next_serial == i)
799                                 {
800                                 BIGNUM *bnser;
801                                 ASN1_INTEGER *ser;
802                                 ser = X509_get_serialNumber(x);
803                                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
804                                 if (!bnser)
805                                         goto end;
806                                 if (!BN_add_word(bnser, 1))
807                                         goto end;
808                                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
809                                 if (!ser)
810                                         goto end;
811                                 BN_free(bnser);
812                                 i2a_ASN1_INTEGER(out, ser);
813                                 ASN1_INTEGER_free(ser);
814                                 BIO_puts(out, "\n");
815                                 }
816                         else if ((email == i) || (ocsp_uri == i))
817                                 {
818                                 int j;
819                                 STACK_OF(OPENSSL_STRING) *emlst;
820                                 if (email == i)
821                                         emlst = X509_get1_email(x);
822                                 else
823                                         emlst = X509_get1_ocsp(x);
824                                 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
825                                         BIO_printf(STDout, "%s\n",
826                                                    sk_OPENSSL_STRING_value(emlst, j));
827                                 X509_email_free(emlst);
828                                 }
829                         else if (aliasout == i)
830                                 {
831                                 unsigned char *alstr;
832                                 alstr = X509_alias_get0(x, NULL);
833                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
834                                 else BIO_puts(STDout,"<No Alias>\n");
835                                 }
836                         else if (subject_hash == i)
837                                 {
838                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
839                                 }
840 #ifndef OPENSSL_NO_MD5
841                         else if (subject_hash_old == i)
842                                 {
843                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash_old(x));
844                                 }
845 #endif
846                         else if (issuer_hash == i)
847                                 {
848                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
849                                 }
850 #ifndef OPENSSL_NO_MD5
851                         else if (issuer_hash_old == i)
852                                 {
853                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash_old(x));
854                                 }
855 #endif
856                         else if (pprint == i)
857                                 {
858                                 X509_PURPOSE *ptmp;
859                                 int j;
860                                 BIO_printf(STDout, "Certificate purposes:\n");
861                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
862                                         {
863                                         ptmp = X509_PURPOSE_get0(j);
864                                         purpose_print(STDout, x, ptmp);
865                                         }
866                                 }
867                         else
868                                 if (modulus == i)
869                                 {
870                                 EVP_PKEY *pkey;
871
872                                 pkey=X509_get_pubkey(x);
873                                 if (pkey == NULL)
874                                         {
875                                         BIO_printf(bio_err,"Modulus=unavailable\n");
876                                         ERR_print_errors(bio_err);
877                                         goto end;
878                                         }
879                                 BIO_printf(STDout,"Modulus=");
880 #ifndef OPENSSL_NO_RSA
881                                 if (pkey->type == EVP_PKEY_RSA)
882                                         BN_print(STDout,pkey->pkey.rsa->n);
883                                 else
884 #endif
885 #ifndef OPENSSL_NO_DSA
886                                 if (pkey->type == EVP_PKEY_DSA)
887                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
888                                 else
889 #endif
890                                         BIO_printf(STDout,"Wrong Algorithm type");
891                                 BIO_printf(STDout,"\n");
892                                 EVP_PKEY_free(pkey);
893                                 }
894                         else
895                                 if (pubkey == i)
896                                 {
897                                 EVP_PKEY *pkey;
898
899                                 pkey=X509_get_pubkey(x);
900                                 if (pkey == NULL)
901                                         {
902                                         BIO_printf(bio_err,"Error getting public key\n");
903                                         ERR_print_errors(bio_err);
904                                         goto end;
905                                         }
906                                 PEM_write_bio_PUBKEY(STDout, pkey);
907                                 EVP_PKEY_free(pkey);
908                                 }
909                         else
910                                 if (C == i)
911                                 {
912                                 unsigned char *d;
913                                 char *m;
914                                 int y,z;
915
916                                 X509_NAME_oneline(X509_get_subject_name(x),
917                                         buf,sizeof buf);
918                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
919                                 m=X509_NAME_oneline(
920                                         X509_get_issuer_name(x),buf,
921                                         sizeof buf);
922                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
923
924                                 z=i2d_X509(x,NULL);
925                                 m=OPENSSL_malloc(z);
926
927                                 d=(unsigned char *)m;
928                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
929                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
930                                 d=(unsigned char *)m;
931                                 for (y=0; y<z; y++)
932                                         {
933                                         BIO_printf(STDout,"0x%02X,",d[y]);
934                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
935                                         }
936                                 if (y%16 != 0) BIO_printf(STDout,"\n");
937                                 BIO_printf(STDout,"};\n");
938
939                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
940                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
941                                 d=(unsigned char *)m;
942                                 for (y=0; y<z; y++)
943                                         {
944                                         BIO_printf(STDout,"0x%02X,",d[y]);
945                                         if ((y & 0x0f) == 0x0f)
946                                                 BIO_printf(STDout,"\n");
947                                         }
948                                 if (y%16 != 0) BIO_printf(STDout,"\n");
949                                 BIO_printf(STDout,"};\n");
950
951                                 z=i2d_X509(x,&d);
952                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
953                                 d=(unsigned char *)m;
954                                 for (y=0; y<z; y++)
955                                         {
956                                         BIO_printf(STDout,"0x%02X,",d[y]);
957                                         if ((y & 0x0f) == 0x0f)
958                                                 BIO_printf(STDout,"\n");
959                                         }
960                                 if (y%16 != 0) BIO_printf(STDout,"\n");
961                                 BIO_printf(STDout,"};\n");
962
963                                 OPENSSL_free(m);
964                                 }
965                         else if (text == i)
966                                 {
967                                 X509_print_ex(STDout,x,nmflag, certflag);
968                                 }
969                         else if (startdate == i)
970                                 {
971                                 BIO_puts(STDout,"notBefore=");
972                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
973                                 BIO_puts(STDout,"\n");
974                                 }
975                         else if (enddate == i)
976                                 {
977                                 BIO_puts(STDout,"notAfter=");
978                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
979                                 BIO_puts(STDout,"\n");
980                                 }
981                         else if (fingerprint == i)
982                                 {
983                                 int j;
984                                 unsigned int n;
985                                 unsigned char md[EVP_MAX_MD_SIZE];
986                                 const EVP_MD *fdig = digest;
987
988                                 if (!fdig)
989                                         fdig = EVP_sha1();
990
991                                 if (!X509_digest(x,fdig,md,&n))
992                                         {
993                                         BIO_printf(bio_err,"out of memory\n");
994                                         goto end;
995                                         }
996                                 BIO_printf(STDout,"%s Fingerprint=",
997                                                 OBJ_nid2sn(EVP_MD_type(fdig)));
998                                 for (j=0; j<(int)n; j++)
999                                         {
1000                                         BIO_printf(STDout,"%02X%c",md[j],
1001                                                 (j+1 == (int)n)
1002                                                 ?'\n':':');
1003                                         }
1004                                 }
1005
1006                         /* should be in the library */
1007                         else if ((sign_flag == i) && (x509req == 0))
1008                                 {
1009                                 BIO_printf(bio_err,"Getting Private key\n");
1010                                 if (Upkey == NULL)
1011                                         {
1012                                         Upkey=load_key(bio_err,
1013                                                 keyfile, keyformat, 0,
1014                                                 passin, e, "Private key");
1015                                         if (Upkey == NULL) goto end;
1016                                         }
1017
1018                                 assert(need_rand);
1019                                 if (!sign(x,Upkey,days,clrext,digest,
1020                                                  extconf, extsect)) goto end;
1021                                 }
1022                         else if (CA_flag == i)
1023                                 {
1024                                 BIO_printf(bio_err,"Getting CA Private Key\n");
1025                                 if (CAkeyfile != NULL)
1026                                         {
1027                                         CApkey=load_key(bio_err,
1028                                                 CAkeyfile, CAkeyformat,
1029                                                 0, passin, e,
1030                                                 "CA Private Key");
1031                                         if (CApkey == NULL) goto end;
1032                                         }
1033                                 
1034                                 assert(need_rand);
1035                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
1036                                         CApkey, sigopts,
1037                                         CAserial,CA_createserial,days, clrext,
1038                                         extconf, extsect, sno))
1039                                         goto end;
1040                                 }
1041                         else if (x509req == i)
1042                                 {
1043                                 EVP_PKEY *pk;
1044
1045                                 BIO_printf(bio_err,"Getting request Private Key\n");
1046                                 if (keyfile == NULL)
1047                                         {
1048                                         BIO_printf(bio_err,"no request key file specified\n");
1049                                         goto end;
1050                                         }
1051                                 else
1052                                         {
1053                                         pk=load_key(bio_err,
1054                                                 keyfile, keyformat, 0,
1055                                                 passin, e, "request key");
1056                                         if (pk == NULL) goto end;
1057                                         }
1058
1059                                 BIO_printf(bio_err,"Generating certificate request\n");
1060
1061                                 rq=X509_to_X509_REQ(x,pk,digest);
1062                                 EVP_PKEY_free(pk);
1063                                 if (rq == NULL)
1064                                         {
1065                                         ERR_print_errors(bio_err);
1066                                         goto end;
1067                                         }
1068                                 if (!noout)
1069                                         {
1070                                         X509_REQ_print(out,rq);
1071                                         PEM_write_bio_X509_REQ(out,rq);
1072                                         }
1073                                 noout=1;
1074                                 }
1075                         else if (ocspid == i)
1076                                 {
1077                                 X509_ocspid_print(out, x);
1078                                 }
1079                         }
1080                 }
1081
1082         if (checkend)
1083                 {
1084                 time_t tcheck=time(NULL) + checkoffset;
1085
1086                 if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
1087                         {
1088                         BIO_printf(out,"Certificate will expire\n");
1089                         ret=1;
1090                         }
1091                 else
1092                         {
1093                         BIO_printf(out,"Certificate will not expire\n");
1094                         ret=0;
1095                         }
1096                 goto end;
1097                 }
1098
1099         print_cert_checks(STDout, x, checkhost, checkemail, checkip);
1100
1101         if (noout)
1102                 {
1103                 ret=0;
1104                 goto end;
1105                 }
1106
1107         if (badsig)
1108                 x->signature->data[x->signature->length - 1] ^= 0x1;
1109
1110         if      (outformat == FORMAT_ASN1)
1111                 i=i2d_X509_bio(out,x);
1112         else if (outformat == FORMAT_PEM)
1113                 {
1114                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1115                 else i=PEM_write_bio_X509(out,x);
1116                 }
1117         else if (outformat == FORMAT_NETSCAPE)
1118                 {
1119                 NETSCAPE_X509 nx;
1120                 ASN1_OCTET_STRING hdr;
1121
1122                 hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
1123                 hdr.length=strlen(NETSCAPE_CERT_HDR);
1124                 nx.header= &hdr;
1125                 nx.cert=x;
1126
1127                 i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
1128                 }
1129         else    {
1130                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1131                 goto end;
1132                 }
1133         if (!i)
1134                 {
1135                 BIO_printf(bio_err,"unable to write certificate\n");
1136                 ERR_print_errors(bio_err);
1137                 goto end;
1138                 }
1139         ret=0;
1140 end:
1141         if (need_rand)
1142                 app_RAND_write_file(NULL, bio_err);
1143         OBJ_cleanup();
1144         NCONF_free(extconf);
1145         BIO_free_all(out);
1146         BIO_free_all(STDout);
1147         X509_STORE_free(ctx);
1148         X509_REQ_free(req);
1149         X509_free(x);
1150         X509_free(xca);
1151         EVP_PKEY_free(Upkey);
1152         EVP_PKEY_free(CApkey);
1153         EVP_PKEY_free(fkey);
1154         if (sigopts)
1155                 sk_OPENSSL_STRING_free(sigopts);
1156         X509_REQ_free(rq);
1157         ASN1_INTEGER_free(sno);
1158         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1159         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1160         if (passin) OPENSSL_free(passin);
1161         X509V3_EXT_cleanup();
1162         apps_shutdown();
1163         OPENSSL_EXIT(ret);
1164         }
1165
1166 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1167         {
1168         char *buf = NULL, *p;
1169         ASN1_INTEGER *bs = NULL;
1170         BIGNUM *serial = NULL;
1171         size_t len;
1172
1173         len = ((serialfile == NULL)
1174                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1175                 :(strlen(serialfile)))+1;
1176         buf=OPENSSL_malloc(len);
1177         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1178         if (serialfile == NULL)
1179                 {
1180                 BUF_strlcpy(buf,CAfile,len);
1181                 for (p=buf; *p; p++)
1182                         if (*p == '.')
1183                                 {
1184                                 *p='\0';
1185                                 break;
1186                                 }
1187                 BUF_strlcat(buf,POSTFIX,len);
1188                 }
1189         else
1190                 BUF_strlcpy(buf,serialfile,len);
1191
1192         serial = load_serial(buf, create, NULL);
1193         if (serial == NULL) goto end;
1194
1195         if (!BN_add_word(serial,1))
1196                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1197
1198         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1199
1200  end:
1201         if (buf) OPENSSL_free(buf);
1202         BN_free(serial);
1203         return bs;
1204         }
1205
1206 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1207                         X509 *x, X509 *xca, EVP_PKEY *pkey,
1208                         STACK_OF(OPENSSL_STRING) *sigopts,
1209                         char *serialfile, int create,
1210                         int days, int clrext, CONF *conf, char *section,
1211                         ASN1_INTEGER *sno)
1212         {
1213         int ret=0;
1214         ASN1_INTEGER *bs=NULL;
1215         X509_STORE_CTX xsc;
1216         EVP_PKEY *upkey;
1217
1218         upkey = X509_get_pubkey(xca);
1219         EVP_PKEY_copy_parameters(upkey,pkey);
1220         EVP_PKEY_free(upkey);
1221
1222         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1223                 {
1224                 BIO_printf(bio_err,"Error initialising X509 store\n");
1225                 goto end;
1226                 }
1227         if (sno) bs = sno;
1228         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1229                 goto end;
1230
1231 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1232
1233         /* NOTE: this certificate can/should be self signed, unless it was
1234          * a certificate request in which case it is not. */
1235         X509_STORE_CTX_set_cert(&xsc,x);
1236         X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1237         if (!reqfile && X509_verify_cert(&xsc) <= 0)
1238                 goto end;
1239
1240         if (!X509_check_private_key(xca,pkey))
1241                 {
1242                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1243                 goto end;
1244                 }
1245
1246         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1247         if (!X509_set_serialNumber(x,bs)) goto end;
1248
1249         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1250                 goto end;
1251
1252         /* hardwired expired */
1253         if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)
1254                 goto end;
1255
1256         if (clrext)
1257                 {
1258                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1259                 }
1260
1261         if (conf)
1262                 {
1263                 X509V3_CTX ctx2;
1264 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1265                 X509_set_version(x, force_version);
1266 #else
1267                 X509_set_version(x,2); /* version 3 certificate */
1268 #endif
1269                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1270                 X509V3_set_nconf(&ctx2, conf);
1271                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1272                 }
1273
1274         if (!do_X509_sign(bio_err, x, pkey, digest, sigopts))
1275                 goto end;
1276         ret=1;
1277 end:
1278         X509_STORE_CTX_cleanup(&xsc);
1279         if (!ret)
1280                 ERR_print_errors(bio_err);
1281         if (!sno) ASN1_INTEGER_free(bs);
1282         return ret;
1283         }
1284
1285 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1286         {
1287         int err;
1288         X509 *err_cert;
1289
1290         /* it is ok to use a self signed certificate
1291          * This case will catch both the initial ok == 0 and the
1292          * final ok == 1 calls to this function */
1293         err=X509_STORE_CTX_get_error(ctx);
1294         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1295                 return 1;
1296
1297         /* BAD we should have gotten an error.  Normally if everything
1298          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1299          * DEPTH_ZERO_SELF_.... */
1300         if (ok)
1301                 {
1302                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1303                 return 0;
1304                 }
1305         else
1306                 {
1307                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1308                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1309                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1310                         err,X509_STORE_CTX_get_error_depth(ctx),
1311                         X509_verify_cert_error_string(err));
1312                 return 1;
1313                 }
1314         }
1315
1316 /* self sign */
1317 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1318                                                 CONF *conf, char *section)
1319         {
1320
1321         EVP_PKEY *pktmp;
1322
1323         pktmp = X509_get_pubkey(x);
1324         EVP_PKEY_copy_parameters(pktmp,pkey);
1325         EVP_PKEY_save_parameters(pktmp,1);
1326         EVP_PKEY_free(pktmp);
1327
1328         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1329         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1330
1331         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1332         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1333         /* 28 days to be certified */
1334
1335         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1336                 goto err;
1337
1338         if (!X509_set_pubkey(x,pkey)) goto err;
1339         if (clrext)
1340                 {
1341                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1342                 }
1343         if (conf)
1344                 {
1345                 X509V3_CTX ctx;
1346 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1347                 X509_set_version(x, force_version);
1348 #else
1349                 X509_set_version(x,2); /* version 3 certificate */
1350 #endif
1351                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1352                 X509V3_set_nconf(&ctx, conf);
1353                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1354                 }
1355         if (!X509_sign(x,pkey,digest)) goto err;
1356         return 1;
1357 err:
1358         ERR_print_errors(bio_err);
1359         return 0;
1360         }
1361
1362 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1363 {
1364         int id, i, idret;
1365         char *pname;
1366         id = X509_PURPOSE_get_id(pt);
1367         pname = X509_PURPOSE_get0_name(pt);
1368         for (i = 0; i < 2; i++)
1369                 {
1370                 idret = X509_check_purpose(cert, id, i);
1371                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1372                 if (idret == 1) BIO_printf(bio, "Yes\n");
1373                 else if (idret == 0) BIO_printf(bio, "No\n");
1374                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1375                 }
1376         return 1;
1377 }