51c86b4139c029a5aaaab996a28737d176680e4f
[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
170 int MAIN(int, char **);
171
172 int MAIN(int argc, char **argv)
173         {
174         ENGINE *e = NULL;
175         int ret=1;
176         X509_REQ *req=NULL;
177         X509 *x=NULL,*xca=NULL;
178         ASN1_OBJECT *objtmp;
179         STACK_OF(OPENSSL_STRING) *sigopts = NULL;
180         EVP_PKEY *Upkey=NULL,*CApkey=NULL, *fkey = NULL;
181         ASN1_INTEGER *sno = NULL;
182         int i,num,badops=0, badsig=0;
183         BIO *out=NULL;
184         BIO *STDout=NULL;
185         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
186         int informat,outformat,keyformat,CAformat,CAkeyformat;
187         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
188         char *CAkeyfile=NULL,*CAserial=NULL;
189         char *fkeyfile=NULL;
190         char *alias=NULL;
191         int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
192         int next_serial=0;
193         int subject_hash=0,issuer_hash=0,ocspid=0;
194 #ifndef OPENSSL_NO_MD5
195         int subject_hash_old=0,issuer_hash_old=0;
196 #endif
197         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
198         int ocsp_uri=0;
199         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
200         int C=0;
201         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
202         int pprint = 0;
203         const char **pp;
204         X509_STORE *ctx=NULL;
205         X509_REQ *rq=NULL;
206         int fingerprint=0;
207         char buf[256];
208         const EVP_MD *md_alg,*digest=NULL;
209         CONF *extconf = NULL;
210         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
211         int need_rand = 0;
212         int checkend=0,checkoffset=0;
213         unsigned long nmflag = 0, certflag = 0;
214         unsigned char *checkhost = NULL, *checkemail = NULL;
215         char *checkip = NULL;
216 #ifndef OPENSSL_NO_ENGINE
217         char *engine=NULL;
218 #endif
219
220         reqfile=0;
221
222         apps_startup();
223
224         if (bio_err == NULL)
225                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
226
227         if (!load_config(bio_err, NULL))
228                 goto end;
229         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
230 #ifdef OPENSSL_SYS_VMS
231         {
232         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
233         STDout = BIO_push(tmpbio, STDout);
234         }
235 #endif
236
237         informat=FORMAT_PEM;
238         outformat=FORMAT_PEM;
239         keyformat=FORMAT_PEM;
240         CAformat=FORMAT_PEM;
241         CAkeyformat=FORMAT_PEM;
242
243         ctx=X509_STORE_new();
244         if (ctx == NULL) goto end;
245         X509_STORE_set_verify_cb(ctx,callb);
246
247         argc--;
248         argv++;
249         num=0;
250         while (argc >= 1)
251                 {
252                 if      (strcmp(*argv,"-inform") == 0)
253                         {
254                         if (--argc < 1) goto bad;
255                         informat=str2fmt(*(++argv));
256                         }
257                 else if (strcmp(*argv,"-outform") == 0)
258                         {
259                         if (--argc < 1) goto bad;
260                         outformat=str2fmt(*(++argv));
261                         }
262                 else if (strcmp(*argv,"-keyform") == 0)
263                         {
264                         if (--argc < 1) goto bad;
265                         keyformat=str2fmt(*(++argv));
266                         }
267                 else if (strcmp(*argv,"-req") == 0)
268                         {
269                         reqfile=1;
270                         need_rand = 1;
271                         }
272                 else if (strcmp(*argv,"-CAform") == 0)
273                         {
274                         if (--argc < 1) goto bad;
275                         CAformat=str2fmt(*(++argv));
276                         }
277                 else if (strcmp(*argv,"-CAkeyform") == 0)
278                         {
279                         if (--argc < 1) goto bad;
280                         CAkeyformat=str2fmt(*(++argv));
281                         }
282                 else if (strcmp(*argv,"-sigopt") == 0)
283                         {
284                         if (--argc < 1)
285                                 goto bad;
286                         if (!sigopts)
287                                 sigopts = sk_OPENSSL_STRING_new_null();
288                         if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
289                                 goto bad;
290                         }
291                 else if (strcmp(*argv,"-days") == 0)
292                         {
293                         if (--argc < 1) goto bad;
294                         days=atoi(*(++argv));
295                         if (days == 0)
296                                 {
297                                 BIO_printf(bio_err,"bad number of days\n");
298                                 goto bad;
299                                 }
300                         }
301                 else if (strcmp(*argv,"-passin") == 0)
302                         {
303                         if (--argc < 1) goto bad;
304                         passargin= *(++argv);
305                         }
306                 else if (strcmp(*argv,"-extfile") == 0)
307                         {
308                         if (--argc < 1) goto bad;
309                         extfile= *(++argv);
310                         }
311                 else if (strcmp(*argv,"-extensions") == 0)
312                         {
313                         if (--argc < 1) goto bad;
314                         extsect= *(++argv);
315                         }
316                 else if (strcmp(*argv,"-in") == 0)
317                         {
318                         if (--argc < 1) goto bad;
319                         infile= *(++argv);
320                         }
321                 else if (strcmp(*argv,"-out") == 0)
322                         {
323                         if (--argc < 1) goto bad;
324                         outfile= *(++argv);
325                         }
326                 else if (strcmp(*argv,"-signkey") == 0)
327                         {
328                         if (--argc < 1) goto bad;
329                         keyfile= *(++argv);
330                         sign_flag= ++num;
331                         need_rand = 1;
332                         }
333                 else if (strcmp(*argv,"-CA") == 0)
334                         {
335                         if (--argc < 1) goto bad;
336                         CAfile= *(++argv);
337                         CA_flag= ++num;
338                         need_rand = 1;
339                         }
340                 else if (strcmp(*argv,"-CAkey") == 0)
341                         {
342                         if (--argc < 1) goto bad;
343                         CAkeyfile= *(++argv);
344                         }
345                 else if (strcmp(*argv,"-CAserial") == 0)
346                         {
347                         if (--argc < 1) goto bad;
348                         CAserial= *(++argv);
349                         }
350                 else if (strcmp(*argv,"-set_serial") == 0)
351                         {
352                         if (--argc < 1) goto bad;
353                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
354                                 goto bad;
355                         }
356                 else if (strcmp(*argv,"-force_pubkey") == 0)
357                         {
358                         if (--argc < 1) goto bad;
359                         fkeyfile= *(++argv);
360                         }
361                 else if (strcmp(*argv,"-addtrust") == 0)
362                         {
363                         if (--argc < 1) goto bad;
364                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
365                                 {
366                                 BIO_printf(bio_err,
367                                         "Invalid trust object value %s\n", *argv);
368                                 goto bad;
369                                 }
370                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
371                         sk_ASN1_OBJECT_push(trust, objtmp);
372                         trustout = 1;
373                         }
374                 else if (strcmp(*argv,"-addreject") == 0)
375                         {
376                         if (--argc < 1) goto bad;
377                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
378                                 {
379                                 BIO_printf(bio_err,
380                                         "Invalid reject object value %s\n", *argv);
381                                 goto bad;
382                                 }
383                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
384                         sk_ASN1_OBJECT_push(reject, objtmp);
385                         trustout = 1;
386                         }
387                 else if (strcmp(*argv,"-setalias") == 0)
388                         {
389                         if (--argc < 1) goto bad;
390                         alias= *(++argv);
391                         trustout = 1;
392                         }
393                 else if (strcmp(*argv,"-certopt") == 0)
394                         {
395                         if (--argc < 1) goto bad;
396                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
397                         }
398                 else if (strcmp(*argv,"-nameopt") == 0)
399                         {
400                         if (--argc < 1) goto bad;
401                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
402                         }
403 #ifndef OPENSSL_NO_ENGINE
404                 else if (strcmp(*argv,"-engine") == 0)
405                         {
406                         if (--argc < 1) goto bad;
407                         engine= *(++argv);
408                         }
409 #endif
410                 else if (strcmp(*argv,"-C") == 0)
411                         C= ++num;
412                 else if (strcmp(*argv,"-email") == 0)
413                         email= ++num;
414                 else if (strcmp(*argv,"-ocsp_uri") == 0)
415                         ocsp_uri= ++num;
416                 else if (strcmp(*argv,"-serial") == 0)
417                         serial= ++num;
418                 else if (strcmp(*argv,"-next_serial") == 0)
419                         next_serial= ++num;
420                 else if (strcmp(*argv,"-modulus") == 0)
421                         modulus= ++num;
422                 else if (strcmp(*argv,"-pubkey") == 0)
423                         pubkey= ++num;
424                 else if (strcmp(*argv,"-x509toreq") == 0)
425                         x509req= ++num;
426                 else if (strcmp(*argv,"-text") == 0)
427                         text= ++num;
428                 else if (strcmp(*argv,"-hash") == 0
429                         || strcmp(*argv,"-subject_hash") == 0)
430                         subject_hash= ++num;
431 #ifndef OPENSSL_NO_MD5
432                 else if (strcmp(*argv,"-subject_hash_old") == 0)
433                         subject_hash_old= ++num;
434 #endif
435                 else if (strcmp(*argv,"-issuer_hash") == 0)
436                         issuer_hash= ++num;
437 #ifndef OPENSSL_NO_MD5
438                 else if (strcmp(*argv,"-issuer_hash_old") == 0)
439                         issuer_hash_old= ++num;
440 #endif
441                 else if (strcmp(*argv,"-subject") == 0)
442                         subject= ++num;
443                 else if (strcmp(*argv,"-issuer") == 0)
444                         issuer= ++num;
445                 else if (strcmp(*argv,"-fingerprint") == 0)
446                         fingerprint= ++num;
447                 else if (strcmp(*argv,"-dates") == 0)
448                         {
449                         startdate= ++num;
450                         enddate= ++num;
451                         }
452                 else if (strcmp(*argv,"-purpose") == 0)
453                         pprint= ++num;
454                 else if (strcmp(*argv,"-startdate") == 0)
455                         startdate= ++num;
456                 else if (strcmp(*argv,"-enddate") == 0)
457                         enddate= ++num;
458                 else if (strcmp(*argv,"-checkend") == 0)
459                         {
460                         if (--argc < 1) goto bad;
461                         checkoffset=atoi(*(++argv));
462                         checkend=1;
463                         }
464                 else if (strcmp(*argv,"-checkhost") == 0)
465                         {
466                         if (--argc < 1) goto bad;
467                         checkhost=(unsigned char *)*(++argv);
468                         }
469                 else if (strcmp(*argv,"-checkemail") == 0)
470                         {
471                         if (--argc < 1) goto bad;
472                         checkemail=(unsigned char *)*(++argv);
473                         }
474                 else if (strcmp(*argv,"-checkip") == 0)
475                         {
476                         if (--argc < 1) goto bad;
477                         checkip=*(++argv);
478                         }
479                 else if (strcmp(*argv,"-noout") == 0)
480                         noout= ++num;
481                 else if (strcmp(*argv,"-trustout") == 0)
482                         trustout= 1;
483                 else if (strcmp(*argv,"-clrtrust") == 0)
484                         clrtrust= ++num;
485                 else if (strcmp(*argv,"-clrreject") == 0)
486                         clrreject= ++num;
487                 else if (strcmp(*argv,"-alias") == 0)
488                         aliasout= ++num;
489                 else if (strcmp(*argv,"-CAcreateserial") == 0)
490                         CA_createserial= ++num;
491                 else if (strcmp(*argv,"-clrext") == 0)
492                         clrext = 1;
493 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
494                 else if (strcmp(*argv,"-crlext") == 0)
495                         {
496                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
497                         clrext = 1;
498                         }
499 #endif
500                 else if (strcmp(*argv,"-ocspid") == 0)
501                         ocspid= ++num;
502                 else if (strcmp(*argv,"-badsig") == 0)
503                         badsig = 1;
504                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
505                         {
506                         /* ok */
507                         digest=md_alg;
508                         }
509                 else
510                         {
511                         BIO_printf(bio_err,"unknown option %s\n",*argv);
512                         badops=1;
513                         break;
514                         }
515                 argc--;
516                 argv++;
517                 }
518
519         if (badops)
520                 {
521 bad:
522                 for (pp=x509_usage; (*pp != NULL); pp++)
523                         BIO_printf(bio_err,"%s",*pp);
524                 goto end;
525                 }
526
527 #ifndef OPENSSL_NO_ENGINE
528         e = setup_engine(bio_err, engine, 0);
529 #endif
530
531         if (need_rand)
532                 app_RAND_load_file(NULL, bio_err, 0);
533
534         ERR_load_crypto_strings();
535
536         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
537                 {
538                 BIO_printf(bio_err, "Error getting password\n");
539                 goto end;
540                 }
541
542         if (!X509_STORE_set_default_paths(ctx))
543                 {
544                 ERR_print_errors(bio_err);
545                 goto end;
546                 }
547
548         if (fkeyfile)
549                 {
550                 fkey = load_pubkey(bio_err, fkeyfile, keyformat, 0,
551                                                 NULL, e, "Forced key");
552                 if (fkey == NULL) goto end;
553                 }
554
555         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
556                 { CAkeyfile=CAfile; }
557         else if ((CA_flag) && (CAkeyfile == NULL))
558                 {
559                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
560                 goto end;
561                 }
562
563         if (extfile)
564                 {
565                 long errorline = -1;
566                 X509V3_CTX ctx2;
567                 extconf = NCONF_new(NULL);
568                 if (!NCONF_load(extconf, extfile,&errorline))
569                         {
570                         if (errorline <= 0)
571                                 BIO_printf(bio_err,
572                                         "error loading the config file '%s'\n",
573                                                                 extfile);
574                         else
575                                 BIO_printf(bio_err,
576                                        "error on line %ld of config file '%s'\n"
577                                                         ,errorline,extfile);
578                         goto end;
579                         }
580                 if (!extsect)
581                         {
582                         extsect = NCONF_get_string(extconf, "default", "extensions");
583                         if (!extsect)
584                                 {
585                                 ERR_clear_error();
586                                 extsect = "default";
587                                 }
588                         }
589                 X509V3_set_ctx_test(&ctx2);
590                 X509V3_set_nconf(&ctx2, extconf);
591                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
592                         {
593                         BIO_printf(bio_err,
594                                 "Error Loading extension section %s\n",
595                                                                  extsect);
596                         ERR_print_errors(bio_err);
597                         goto end;
598                         }
599                 }
600
601
602         if (reqfile)
603                 {
604                 EVP_PKEY *pkey;
605                 BIO *in;
606
607                 if (!sign_flag && !CA_flag)
608                         {
609                         BIO_printf(bio_err,"We need a private key to sign with\n");
610                         goto end;
611                         }
612                 in=BIO_new(BIO_s_file());
613                 if (in == NULL)
614                         {
615                         ERR_print_errors(bio_err);
616                         goto end;
617                         }
618
619                 if (infile == NULL)
620                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
621                 else
622                         {
623                         if (BIO_read_filename(in,infile) <= 0)
624                                 {
625                                 perror(infile);
626                                 BIO_free(in);
627                                 goto end;
628                                 }
629                         }
630                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
631                 BIO_free(in);
632
633                 if (req == NULL)
634                         {
635                         ERR_print_errors(bio_err);
636                         goto end;
637                         }
638
639                 if (    (req->req_info == NULL) ||
640                         (req->req_info->pubkey == NULL) ||
641                         (req->req_info->pubkey->public_key == NULL) ||
642                         (req->req_info->pubkey->public_key->data == NULL))
643                         {
644                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
645                         BIO_printf(bio_err,"It does not contain a public key\n");
646                         goto end;
647                         }
648                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
649                         {
650                         BIO_printf(bio_err,"error unpacking public key\n");
651                         goto end;
652                         }
653                 i=X509_REQ_verify(req,pkey);
654                 EVP_PKEY_free(pkey);
655                 if (i < 0)
656                         {
657                         BIO_printf(bio_err,"Signature verification error\n");
658                         ERR_print_errors(bio_err);
659                         goto end;
660                         }
661                 if (i == 0)
662                         {
663                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
664                         goto end;
665                         }
666                 else
667                         BIO_printf(bio_err,"Signature ok\n");
668
669                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
670
671                 if ((x=X509_new()) == NULL) goto end;
672
673                 if (sno == NULL)
674                         {
675                         sno = ASN1_INTEGER_new();
676                         if (!sno || !rand_serial(NULL, sno))
677                                 goto end;
678                         if (!X509_set_serialNumber(x, sno)) 
679                                 goto end;
680                         ASN1_INTEGER_free(sno);
681                         sno = NULL;
682                         }
683                 else if (!X509_set_serialNumber(x, sno)) 
684                         goto end;
685
686                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
687                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
688
689                 X509_gmtime_adj(X509_get_notBefore(x),0);
690                 X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL);
691                 if (fkey)
692                         X509_set_pubkey(x, fkey);
693                 else
694                         {
695                         pkey = X509_REQ_get_pubkey(req);
696                         X509_set_pubkey(x,pkey);
697                         EVP_PKEY_free(pkey);
698                         }
699                 }
700         else
701                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
702
703         if (x == NULL) goto end;
704         if (CA_flag)
705                 {
706                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
707                 if (xca == NULL) goto end;
708                 }
709
710         if (!noout || text || next_serial)
711                 {
712                 OBJ_create("2.99999.3",
713                         "SET.ex3","SET x509v3 extension 3");
714
715                 out=BIO_new(BIO_s_file());
716                 if (out == NULL)
717                         {
718                         ERR_print_errors(bio_err);
719                         goto end;
720                         }
721                 if (outfile == NULL)
722                         {
723                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
724 #ifdef OPENSSL_SYS_VMS
725                         {
726                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
727                         out = BIO_push(tmpbio, out);
728                         }
729 #endif
730                         }
731                 else
732                         {
733                         if (BIO_write_filename(out,outfile) <= 0)
734                                 {
735                                 perror(outfile);
736                                 goto end;
737                                 }
738                         }
739                 }
740
741         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
742
743         if (clrtrust) X509_trust_clear(x);
744         if (clrreject) X509_reject_clear(x);
745
746         if (trust)
747                 {
748                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
749                         {
750                         objtmp = sk_ASN1_OBJECT_value(trust, i);
751                         X509_add1_trust_object(x, objtmp);
752                         }
753                 }
754
755         if (reject)
756                 {
757                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
758                         {
759                         objtmp = sk_ASN1_OBJECT_value(reject, i);
760                         X509_add1_reject_object(x, objtmp);
761                         }
762                 }
763
764         if (num)
765                 {
766                 for (i=1; i<=num; i++)
767                         {
768                         if (issuer == i)
769                                 {
770                                 print_name(STDout, "issuer= ",
771                                         X509_get_issuer_name(x), nmflag);
772                                 }
773                         else if (subject == i) 
774                                 {
775                                 print_name(STDout, "subject= ",
776                                         X509_get_subject_name(x), nmflag);
777                                 }
778                         else if (serial == i)
779                                 {
780                                 BIO_printf(STDout,"serial=");
781                                 i2a_ASN1_INTEGER(STDout,
782                                         X509_get_serialNumber(x));
783                                 BIO_printf(STDout,"\n");
784                                 }
785                         else if (next_serial == i)
786                                 {
787                                 BIGNUM *bnser;
788                                 ASN1_INTEGER *ser;
789                                 ser = X509_get_serialNumber(x);
790                                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
791                                 if (!bnser)
792                                         goto end;
793                                 if (!BN_add_word(bnser, 1))
794                                         goto end;
795                                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
796                                 if (!ser)
797                                         goto end;
798                                 BN_free(bnser);
799                                 i2a_ASN1_INTEGER(out, ser);
800                                 ASN1_INTEGER_free(ser);
801                                 BIO_puts(out, "\n");
802                                 }
803                         else if ((email == i) || (ocsp_uri == i))
804                                 {
805                                 int j;
806                                 STACK_OF(OPENSSL_STRING) *emlst;
807                                 if (email == i)
808                                         emlst = X509_get1_email(x);
809                                 else
810                                         emlst = X509_get1_ocsp(x);
811                                 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
812                                         BIO_printf(STDout, "%s\n",
813                                                    sk_OPENSSL_STRING_value(emlst, j));
814                                 X509_email_free(emlst);
815                                 }
816                         else if (aliasout == i)
817                                 {
818                                 unsigned char *alstr;
819                                 alstr = X509_alias_get0(x, NULL);
820                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
821                                 else BIO_puts(STDout,"<No Alias>\n");
822                                 }
823                         else if (subject_hash == i)
824                                 {
825                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
826                                 }
827 #ifndef OPENSSL_NO_MD5
828                         else if (subject_hash_old == i)
829                                 {
830                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash_old(x));
831                                 }
832 #endif
833                         else if (issuer_hash == i)
834                                 {
835                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
836                                 }
837 #ifndef OPENSSL_NO_MD5
838                         else if (issuer_hash_old == i)
839                                 {
840                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash_old(x));
841                                 }
842 #endif
843                         else if (pprint == i)
844                                 {
845                                 X509_PURPOSE *ptmp;
846                                 int j;
847                                 BIO_printf(STDout, "Certificate purposes:\n");
848                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
849                                         {
850                                         ptmp = X509_PURPOSE_get0(j);
851                                         purpose_print(STDout, x, ptmp);
852                                         }
853                                 }
854                         else
855                                 if (modulus == i)
856                                 {
857                                 EVP_PKEY *pkey;
858
859                                 pkey=X509_get_pubkey(x);
860                                 if (pkey == NULL)
861                                         {
862                                         BIO_printf(bio_err,"Modulus=unavailable\n");
863                                         ERR_print_errors(bio_err);
864                                         goto end;
865                                         }
866                                 BIO_printf(STDout,"Modulus=");
867 #ifndef OPENSSL_NO_RSA
868                                 if (pkey->type == EVP_PKEY_RSA)
869                                         BN_print(STDout,pkey->pkey.rsa->n);
870                                 else
871 #endif
872 #ifndef OPENSSL_NO_DSA
873                                 if (pkey->type == EVP_PKEY_DSA)
874                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
875                                 else
876 #endif
877                                         BIO_printf(STDout,"Wrong Algorithm type");
878                                 BIO_printf(STDout,"\n");
879                                 EVP_PKEY_free(pkey);
880                                 }
881                         else
882                                 if (pubkey == i)
883                                 {
884                                 EVP_PKEY *pkey;
885
886                                 pkey=X509_get_pubkey(x);
887                                 if (pkey == NULL)
888                                         {
889                                         BIO_printf(bio_err,"Error getting public key\n");
890                                         ERR_print_errors(bio_err);
891                                         goto end;
892                                         }
893                                 PEM_write_bio_PUBKEY(STDout, pkey);
894                                 EVP_PKEY_free(pkey);
895                                 }
896                         else
897                                 if (C == i)
898                                 {
899                                 unsigned char *d;
900                                 char *m;
901                                 int y,z;
902
903                                 X509_NAME_oneline(X509_get_subject_name(x),
904                                         buf,sizeof buf);
905                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
906                                 m=X509_NAME_oneline(
907                                         X509_get_issuer_name(x),buf,
908                                         sizeof buf);
909                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
910
911                                 z=i2d_X509(x,NULL);
912                                 m=OPENSSL_malloc(z);
913
914                                 d=(unsigned char *)m;
915                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
916                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
917                                 d=(unsigned char *)m;
918                                 for (y=0; y<z; y++)
919                                         {
920                                         BIO_printf(STDout,"0x%02X,",d[y]);
921                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
922                                         }
923                                 if (y%16 != 0) BIO_printf(STDout,"\n");
924                                 BIO_printf(STDout,"};\n");
925
926                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
927                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
928                                 d=(unsigned char *)m;
929                                 for (y=0; y<z; y++)
930                                         {
931                                         BIO_printf(STDout,"0x%02X,",d[y]);
932                                         if ((y & 0x0f) == 0x0f)
933                                                 BIO_printf(STDout,"\n");
934                                         }
935                                 if (y%16 != 0) BIO_printf(STDout,"\n");
936                                 BIO_printf(STDout,"};\n");
937
938                                 z=i2d_X509(x,&d);
939                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
940                                 d=(unsigned char *)m;
941                                 for (y=0; y<z; y++)
942                                         {
943                                         BIO_printf(STDout,"0x%02X,",d[y]);
944                                         if ((y & 0x0f) == 0x0f)
945                                                 BIO_printf(STDout,"\n");
946                                         }
947                                 if (y%16 != 0) BIO_printf(STDout,"\n");
948                                 BIO_printf(STDout,"};\n");
949
950                                 OPENSSL_free(m);
951                                 }
952                         else if (text == i)
953                                 {
954                                 X509_print_ex(STDout,x,nmflag, certflag);
955                                 }
956                         else if (startdate == i)
957                                 {
958                                 BIO_puts(STDout,"notBefore=");
959                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
960                                 BIO_puts(STDout,"\n");
961                                 }
962                         else if (enddate == i)
963                                 {
964                                 BIO_puts(STDout,"notAfter=");
965                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
966                                 BIO_puts(STDout,"\n");
967                                 }
968                         else if (fingerprint == i)
969                                 {
970                                 int j;
971                                 unsigned int n;
972                                 unsigned char md[EVP_MAX_MD_SIZE];
973                                 const EVP_MD *fdig = digest;
974
975                                 if (!fdig)
976                                         fdig = EVP_sha1();
977
978                                 if (!X509_digest(x,fdig,md,&n))
979                                         {
980                                         BIO_printf(bio_err,"out of memory\n");
981                                         goto end;
982                                         }
983                                 BIO_printf(STDout,"%s Fingerprint=",
984                                                 OBJ_nid2sn(EVP_MD_type(fdig)));
985                                 for (j=0; j<(int)n; j++)
986                                         {
987                                         BIO_printf(STDout,"%02X%c",md[j],
988                                                 (j+1 == (int)n)
989                                                 ?'\n':':');
990                                         }
991                                 }
992
993                         /* should be in the library */
994                         else if ((sign_flag == i) && (x509req == 0))
995                                 {
996                                 BIO_printf(bio_err,"Getting Private key\n");
997                                 if (Upkey == NULL)
998                                         {
999                                         Upkey=load_key(bio_err,
1000                                                 keyfile, keyformat, 0,
1001                                                 passin, e, "Private key");
1002                                         if (Upkey == NULL) goto end;
1003                                         }
1004
1005                                 assert(need_rand);
1006                                 if (!sign(x,Upkey,days,clrext,digest,
1007                                                  extconf, extsect)) goto end;
1008                                 }
1009                         else if (CA_flag == i)
1010                                 {
1011                                 BIO_printf(bio_err,"Getting CA Private Key\n");
1012                                 if (CAkeyfile != NULL)
1013                                         {
1014                                         CApkey=load_key(bio_err,
1015                                                 CAkeyfile, CAkeyformat,
1016                                                 0, passin, e,
1017                                                 "CA Private Key");
1018                                         if (CApkey == NULL) goto end;
1019                                         }
1020                                 
1021                                 assert(need_rand);
1022                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
1023                                         CApkey, sigopts,
1024                                         CAserial,CA_createserial,days, clrext,
1025                                         extconf, extsect, sno))
1026                                         goto end;
1027                                 }
1028                         else if (x509req == i)
1029                                 {
1030                                 EVP_PKEY *pk;
1031
1032                                 BIO_printf(bio_err,"Getting request Private Key\n");
1033                                 if (keyfile == NULL)
1034                                         {
1035                                         BIO_printf(bio_err,"no request key file specified\n");
1036                                         goto end;
1037                                         }
1038                                 else
1039                                         {
1040                                         pk=load_key(bio_err,
1041                                                 keyfile, keyformat, 0,
1042                                                 passin, e, "request key");
1043                                         if (pk == NULL) goto end;
1044                                         }
1045
1046                                 BIO_printf(bio_err,"Generating certificate request\n");
1047
1048                                 rq=X509_to_X509_REQ(x,pk,digest);
1049                                 EVP_PKEY_free(pk);
1050                                 if (rq == NULL)
1051                                         {
1052                                         ERR_print_errors(bio_err);
1053                                         goto end;
1054                                         }
1055                                 if (!noout)
1056                                         {
1057                                         X509_REQ_print(out,rq);
1058                                         PEM_write_bio_X509_REQ(out,rq);
1059                                         }
1060                                 noout=1;
1061                                 }
1062                         else if (ocspid == i)
1063                                 {
1064                                 X509_ocspid_print(out, x);
1065                                 }
1066                         }
1067                 }
1068
1069         if (checkend)
1070                 {
1071                 time_t tcheck=time(NULL) + checkoffset;
1072
1073                 if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
1074                         {
1075                         BIO_printf(out,"Certificate will expire\n");
1076                         ret=1;
1077                         }
1078                 else
1079                         {
1080                         BIO_printf(out,"Certificate will not expire\n");
1081                         ret=0;
1082                         }
1083                 goto end;
1084                 }
1085
1086         print_cert_checks(STDout, x, checkhost, checkemail, checkip);
1087
1088         if (noout)
1089                 {
1090                 ret=0;
1091                 goto end;
1092                 }
1093
1094         if (badsig)
1095                 x->signature->data[x->signature->length - 1] ^= 0x1;
1096
1097         if      (outformat == FORMAT_ASN1)
1098                 i=i2d_X509_bio(out,x);
1099         else if (outformat == FORMAT_PEM)
1100                 {
1101                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1102                 else i=PEM_write_bio_X509(out,x);
1103                 }
1104         else if (outformat == FORMAT_NETSCAPE)
1105                 {
1106                 NETSCAPE_X509 nx;
1107                 ASN1_OCTET_STRING hdr;
1108
1109                 hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
1110                 hdr.length=strlen(NETSCAPE_CERT_HDR);
1111                 nx.header= &hdr;
1112                 nx.cert=x;
1113
1114                 i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
1115                 }
1116         else    {
1117                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1118                 goto end;
1119                 }
1120         if (!i)
1121                 {
1122                 BIO_printf(bio_err,"unable to write certificate\n");
1123                 ERR_print_errors(bio_err);
1124                 goto end;
1125                 }
1126         ret=0;
1127 end:
1128         if (need_rand)
1129                 app_RAND_write_file(NULL, bio_err);
1130         OBJ_cleanup();
1131         NCONF_free(extconf);
1132         BIO_free_all(out);
1133         BIO_free_all(STDout);
1134         X509_STORE_free(ctx);
1135         X509_REQ_free(req);
1136         X509_free(x);
1137         X509_free(xca);
1138         EVP_PKEY_free(Upkey);
1139         EVP_PKEY_free(CApkey);
1140         EVP_PKEY_free(fkey);
1141         if (sigopts)
1142                 sk_OPENSSL_STRING_free(sigopts);
1143         X509_REQ_free(rq);
1144         ASN1_INTEGER_free(sno);
1145         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1146         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1147         if (passin) OPENSSL_free(passin);
1148         apps_shutdown();
1149         OPENSSL_EXIT(ret);
1150         }
1151
1152 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1153         {
1154         char *buf = NULL, *p;
1155         ASN1_INTEGER *bs = NULL;
1156         BIGNUM *serial = NULL;
1157         size_t len;
1158
1159         len = ((serialfile == NULL)
1160                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1161                 :(strlen(serialfile)))+1;
1162         buf=OPENSSL_malloc(len);
1163         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1164         if (serialfile == NULL)
1165                 {
1166                 BUF_strlcpy(buf,CAfile,len);
1167                 for (p=buf; *p; p++)
1168                         if (*p == '.')
1169                                 {
1170                                 *p='\0';
1171                                 break;
1172                                 }
1173                 BUF_strlcat(buf,POSTFIX,len);
1174                 }
1175         else
1176                 BUF_strlcpy(buf,serialfile,len);
1177
1178         serial = load_serial(buf, create, NULL);
1179         if (serial == NULL) goto end;
1180
1181         if (!BN_add_word(serial,1))
1182                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1183
1184         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1185
1186  end:
1187         if (buf) OPENSSL_free(buf);
1188         BN_free(serial);
1189         return bs;
1190         }
1191
1192 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1193                         X509 *x, X509 *xca, EVP_PKEY *pkey,
1194                         STACK_OF(OPENSSL_STRING) *sigopts,
1195                         char *serialfile, int create,
1196                         int days, int clrext, CONF *conf, char *section,
1197                         ASN1_INTEGER *sno)
1198         {
1199         int ret=0;
1200         ASN1_INTEGER *bs=NULL;
1201         X509_STORE_CTX xsc;
1202         EVP_PKEY *upkey;
1203
1204         upkey = X509_get_pubkey(xca);
1205         EVP_PKEY_copy_parameters(upkey,pkey);
1206         EVP_PKEY_free(upkey);
1207
1208         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1209                 {
1210                 BIO_printf(bio_err,"Error initialising X509 store\n");
1211                 goto end;
1212                 }
1213         if (sno) bs = sno;
1214         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1215                 goto end;
1216
1217 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1218
1219         /* NOTE: this certificate can/should be self signed, unless it was
1220          * a certificate request in which case it is not. */
1221         X509_STORE_CTX_set_cert(&xsc,x);
1222         X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1223         if (!reqfile && X509_verify_cert(&xsc) <= 0)
1224                 goto end;
1225
1226         if (!X509_check_private_key(xca,pkey))
1227                 {
1228                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1229                 goto end;
1230                 }
1231
1232         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1233         if (!X509_set_serialNumber(x,bs)) goto end;
1234
1235         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1236                 goto end;
1237
1238         /* hardwired expired */
1239         if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)
1240                 goto end;
1241
1242         if (clrext)
1243                 {
1244                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1245                 }
1246
1247         if (conf)
1248                 {
1249                 X509V3_CTX ctx2;
1250                 X509_set_version(x,2); /* version 3 certificate */
1251                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1252                 X509V3_set_nconf(&ctx2, conf);
1253                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1254                 }
1255
1256         if (!do_X509_sign(bio_err, x, pkey, digest, sigopts))
1257                 goto end;
1258         ret=1;
1259 end:
1260         X509_STORE_CTX_cleanup(&xsc);
1261         if (!ret)
1262                 ERR_print_errors(bio_err);
1263         if (!sno) ASN1_INTEGER_free(bs);
1264         return ret;
1265         }
1266
1267 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1268         {
1269         int err;
1270         X509 *err_cert;
1271
1272         /* it is ok to use a self signed certificate
1273          * This case will catch both the initial ok == 0 and the
1274          * final ok == 1 calls to this function */
1275         err=X509_STORE_CTX_get_error(ctx);
1276         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1277                 return 1;
1278
1279         /* BAD we should have gotten an error.  Normally if everything
1280          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1281          * DEPTH_ZERO_SELF_.... */
1282         if (ok)
1283                 {
1284                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1285                 return 0;
1286                 }
1287         else
1288                 {
1289                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1290                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1291                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1292                         err,X509_STORE_CTX_get_error_depth(ctx),
1293                         X509_verify_cert_error_string(err));
1294                 return 1;
1295                 }
1296         }
1297
1298 /* self sign */
1299 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1300                                                 CONF *conf, char *section)
1301         {
1302
1303         EVP_PKEY *pktmp;
1304
1305         pktmp = X509_get_pubkey(x);
1306         EVP_PKEY_copy_parameters(pktmp,pkey);
1307         EVP_PKEY_save_parameters(pktmp,1);
1308         EVP_PKEY_free(pktmp);
1309
1310         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1311         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1312
1313         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1314         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1315         /* 28 days to be certified */
1316
1317         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1318                 goto err;
1319
1320         if (!X509_set_pubkey(x,pkey)) goto err;
1321         if (clrext)
1322                 {
1323                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1324                 }
1325         if (conf)
1326                 {
1327                 X509V3_CTX ctx;
1328                 X509_set_version(x,2); /* version 3 certificate */
1329                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1330                 X509V3_set_nconf(&ctx, conf);
1331                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1332                 }
1333         if (!X509_sign(x,pkey,digest)) goto err;
1334         return 1;
1335 err:
1336         ERR_print_errors(bio_err);
1337         return 0;
1338         }
1339
1340 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1341 {
1342         int id, i, idret;
1343         char *pname;
1344         id = X509_PURPOSE_get_id(pt);
1345         pname = X509_PURPOSE_get0_name(pt);
1346         for (i = 0; i < 2; i++)
1347                 {
1348                 idret = X509_check_purpose(cert, id, i);
1349                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1350                 if (idret == 1) BIO_printf(bio, "Yes\n");
1351                 else if (idret == 0) BIO_printf(bio, "No\n");
1352                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1353                 }
1354         return 1;
1355 }