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