Merge from vendor branch BIND:
[dragonfly.git] / crypto / openssl-0.9.7d / 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
77 #undef PROG
78 #define PROG x509_main
79
80 #undef POSTFIX
81 #define POSTFIX ".srl"
82 #define DEF_DAYS        30
83
84 static char *x509_usage[]={
85 "usage: x509 args\n",
86 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
87 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
88 " -keyform arg    - private key format - default PEM\n",
89 " -CAform arg     - CA format - default PEM\n",
90 " -CAkeyform arg  - CA key format - default PEM\n",
91 " -in arg         - input file - default stdin\n",
92 " -out arg        - output file - default stdout\n",
93 " -passin arg     - private key password source\n",
94 " -serial         - print serial number value\n",
95 " -hash           - print hash value\n",
96 " -subject        - print subject DN\n",
97 " -issuer         - print issuer DN\n",
98 " -email          - print email address(es)\n",
99 " -startdate      - notBefore field\n",
100 " -enddate        - notAfter field\n",
101 " -purpose        - print out certificate purposes\n",
102 " -dates          - both Before and After dates\n",
103 " -modulus        - print the RSA key modulus\n",
104 " -pubkey         - output the public key\n",
105 " -fingerprint    - print the certificate fingerprint\n",
106 " -alias          - output certificate alias\n",
107 " -noout          - no certificate output\n",
108 " -ocspid         - print OCSP hash values for the subject name and public key\n",
109 " -trustout       - output a \"trusted\" certificate\n",
110 " -clrtrust       - clear all trusted purposes\n",
111 " -clrreject      - clear all rejected purposes\n",
112 " -addtrust arg   - trust certificate for a given purpose\n",
113 " -addreject arg  - reject certificate for a given purpose\n",
114 " -setalias arg   - set certificate alias\n",
115 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
116 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
117 "                   exit 1 if so, 0 if not\n",
118 " -signkey arg    - self sign cert with arg\n",
119 " -x509toreq      - output a certification request object\n",
120 " -req            - input is a certificate request, sign and output.\n",
121 " -CA arg         - set the CA certificate, must be PEM format.\n",
122 " -CAkey arg      - set the CA key, must be PEM format\n",
123 "                   missing, it is assumed to be in the CA file.\n",
124 " -CAcreateserial - create serial number file if it does not exist\n",
125 " -CAserial arg   - serial file\n",
126 " -set_serial     - serial number to use\n",
127 " -text           - print the certificate in text form\n",
128 " -C              - print out C code forms\n",
129 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
130 " -extfile        - configuration file with X509V3 extensions to add\n",
131 " -extensions     - section from config file with X509V3 extensions to add\n",
132 " -clrext         - delete extensions before signing and input certificate\n",
133 " -nameopt arg    - various certificate name options\n",
134 #ifndef OPENSSL_NO_ENGINE
135 " -engine e       - use engine e, possibly a hardware device.\n",
136 #endif
137 " -certopt arg    - various certificate text options\n",
138 NULL
139 };
140
141 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
142 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
143                                                 CONF *conf, char *section);
144 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
145                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
146                          int create,int days, int clrext, CONF *conf, char *section,
147                                                 ASN1_INTEGER *sno);
148 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
149 static int reqfile=0;
150
151 int MAIN(int, char **);
152
153 int MAIN(int argc, char **argv)
154         {
155         ENGINE *e = NULL;
156         int ret=1;
157         X509_REQ *req=NULL;
158         X509 *x=NULL,*xca=NULL;
159         ASN1_OBJECT *objtmp;
160         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
161         ASN1_INTEGER *sno = NULL;
162         int i,num,badops=0;
163         BIO *out=NULL;
164         BIO *STDout=NULL;
165         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
166         int informat,outformat,keyformat,CAformat,CAkeyformat;
167         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
168         char *CAkeyfile=NULL,*CAserial=NULL;
169         char *alias=NULL;
170         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
171         int ocspid=0;
172         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
173         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
174         int C=0;
175         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
176         int pprint = 0;
177         char **pp;
178         X509_STORE *ctx=NULL;
179         X509_REQ *rq=NULL;
180         int fingerprint=0;
181         char buf[256];
182         const EVP_MD *md_alg,*digest=EVP_md5();
183         CONF *extconf = NULL;
184         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
185         int need_rand = 0;
186         int checkend=0,checkoffset=0;
187         unsigned long nmflag = 0, certflag = 0;
188 #ifndef OPENSSL_NO_ENGINE
189         char *engine=NULL;
190 #endif
191
192         reqfile=0;
193
194         apps_startup();
195
196         if (bio_err == NULL)
197                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
198
199         if (!load_config(bio_err, NULL))
200                 goto end;
201         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
202 #ifdef OPENSSL_SYS_VMS
203         {
204         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
205         STDout = BIO_push(tmpbio, STDout);
206         }
207 #endif
208
209         informat=FORMAT_PEM;
210         outformat=FORMAT_PEM;
211         keyformat=FORMAT_PEM;
212         CAformat=FORMAT_PEM;
213         CAkeyformat=FORMAT_PEM;
214
215         ctx=X509_STORE_new();
216         if (ctx == NULL) goto end;
217         X509_STORE_set_verify_cb_func(ctx,callb);
218
219         argc--;
220         argv++;
221         num=0;
222         while (argc >= 1)
223                 {
224                 if      (strcmp(*argv,"-inform") == 0)
225                         {
226                         if (--argc < 1) goto bad;
227                         informat=str2fmt(*(++argv));
228                         }
229                 else if (strcmp(*argv,"-outform") == 0)
230                         {
231                         if (--argc < 1) goto bad;
232                         outformat=str2fmt(*(++argv));
233                         }
234                 else if (strcmp(*argv,"-keyform") == 0)
235                         {
236                         if (--argc < 1) goto bad;
237                         keyformat=str2fmt(*(++argv));
238                         }
239                 else if (strcmp(*argv,"-req") == 0)
240                         {
241                         reqfile=1;
242                         need_rand = 1;
243                         }
244                 else if (strcmp(*argv,"-CAform") == 0)
245                         {
246                         if (--argc < 1) goto bad;
247                         CAformat=str2fmt(*(++argv));
248                         }
249                 else if (strcmp(*argv,"-CAkeyform") == 0)
250                         {
251                         if (--argc < 1) goto bad;
252                         CAkeyformat=str2fmt(*(++argv));
253                         }
254                 else if (strcmp(*argv,"-days") == 0)
255                         {
256                         if (--argc < 1) goto bad;
257                         days=atoi(*(++argv));
258                         if (days == 0)
259                                 {
260                                 BIO_printf(STDout,"bad number of days\n");
261                                 goto bad;
262                                 }
263                         }
264                 else if (strcmp(*argv,"-passin") == 0)
265                         {
266                         if (--argc < 1) goto bad;
267                         passargin= *(++argv);
268                         }
269                 else if (strcmp(*argv,"-extfile") == 0)
270                         {
271                         if (--argc < 1) goto bad;
272                         extfile= *(++argv);
273                         }
274                 else if (strcmp(*argv,"-extensions") == 0)
275                         {
276                         if (--argc < 1) goto bad;
277                         extsect= *(++argv);
278                         }
279                 else if (strcmp(*argv,"-in") == 0)
280                         {
281                         if (--argc < 1) goto bad;
282                         infile= *(++argv);
283                         }
284                 else if (strcmp(*argv,"-out") == 0)
285                         {
286                         if (--argc < 1) goto bad;
287                         outfile= *(++argv);
288                         }
289                 else if (strcmp(*argv,"-signkey") == 0)
290                         {
291                         if (--argc < 1) goto bad;
292                         keyfile= *(++argv);
293                         sign_flag= ++num;
294                         need_rand = 1;
295                         }
296                 else if (strcmp(*argv,"-CA") == 0)
297                         {
298                         if (--argc < 1) goto bad;
299                         CAfile= *(++argv);
300                         CA_flag= ++num;
301                         need_rand = 1;
302                         }
303                 else if (strcmp(*argv,"-CAkey") == 0)
304                         {
305                         if (--argc < 1) goto bad;
306                         CAkeyfile= *(++argv);
307                         }
308                 else if (strcmp(*argv,"-CAserial") == 0)
309                         {
310                         if (--argc < 1) goto bad;
311                         CAserial= *(++argv);
312                         }
313                 else if (strcmp(*argv,"-set_serial") == 0)
314                         {
315                         if (--argc < 1) goto bad;
316                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
317                                 goto bad;
318                         }
319                 else if (strcmp(*argv,"-addtrust") == 0)
320                         {
321                         if (--argc < 1) goto bad;
322                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
323                                 {
324                                 BIO_printf(bio_err,
325                                         "Invalid trust object value %s\n", *argv);
326                                 goto bad;
327                                 }
328                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
329                         sk_ASN1_OBJECT_push(trust, objtmp);
330                         trustout = 1;
331                         }
332                 else if (strcmp(*argv,"-addreject") == 0)
333                         {
334                         if (--argc < 1) goto bad;
335                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
336                                 {
337                                 BIO_printf(bio_err,
338                                         "Invalid reject object value %s\n", *argv);
339                                 goto bad;
340                                 }
341                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
342                         sk_ASN1_OBJECT_push(reject, objtmp);
343                         trustout = 1;
344                         }
345                 else if (strcmp(*argv,"-setalias") == 0)
346                         {
347                         if (--argc < 1) goto bad;
348                         alias= *(++argv);
349                         trustout = 1;
350                         }
351                 else if (strcmp(*argv,"-certopt") == 0)
352                         {
353                         if (--argc < 1) goto bad;
354                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
355                         }
356                 else if (strcmp(*argv,"-nameopt") == 0)
357                         {
358                         if (--argc < 1) goto bad;
359                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
360                         }
361 #ifndef OPENSSL_NO_ENGINE
362                 else if (strcmp(*argv,"-engine") == 0)
363                         {
364                         if (--argc < 1) goto bad;
365                         engine= *(++argv);
366                         }
367 #endif
368                 else if (strcmp(*argv,"-C") == 0)
369                         C= ++num;
370                 else if (strcmp(*argv,"-email") == 0)
371                         email= ++num;
372                 else if (strcmp(*argv,"-serial") == 0)
373                         serial= ++num;
374                 else if (strcmp(*argv,"-modulus") == 0)
375                         modulus= ++num;
376                 else if (strcmp(*argv,"-pubkey") == 0)
377                         pubkey= ++num;
378                 else if (strcmp(*argv,"-x509toreq") == 0)
379                         x509req= ++num;
380                 else if (strcmp(*argv,"-text") == 0)
381                         text= ++num;
382                 else if (strcmp(*argv,"-hash") == 0)
383                         hash= ++num;
384                 else if (strcmp(*argv,"-subject") == 0)
385                         subject= ++num;
386                 else if (strcmp(*argv,"-issuer") == 0)
387                         issuer= ++num;
388                 else if (strcmp(*argv,"-fingerprint") == 0)
389                         fingerprint= ++num;
390                 else if (strcmp(*argv,"-dates") == 0)
391                         {
392                         startdate= ++num;
393                         enddate= ++num;
394                         }
395                 else if (strcmp(*argv,"-purpose") == 0)
396                         pprint= ++num;
397                 else if (strcmp(*argv,"-startdate") == 0)
398                         startdate= ++num;
399                 else if (strcmp(*argv,"-enddate") == 0)
400                         enddate= ++num;
401                 else if (strcmp(*argv,"-checkend") == 0)
402                         {
403                         if (--argc < 1) goto bad;
404                         checkoffset=atoi(*(++argv));
405                         checkend=1;
406                         }
407                 else if (strcmp(*argv,"-noout") == 0)
408                         noout= ++num;
409                 else if (strcmp(*argv,"-trustout") == 0)
410                         trustout= 1;
411                 else if (strcmp(*argv,"-clrtrust") == 0)
412                         clrtrust= ++num;
413                 else if (strcmp(*argv,"-clrreject") == 0)
414                         clrreject= ++num;
415                 else if (strcmp(*argv,"-alias") == 0)
416                         aliasout= ++num;
417                 else if (strcmp(*argv,"-CAcreateserial") == 0)
418                         CA_createserial= ++num;
419                 else if (strcmp(*argv,"-clrext") == 0)
420                         clrext = 1;
421 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
422                 else if (strcmp(*argv,"-crlext") == 0)
423                         {
424                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
425                         clrext = 1;
426                         }
427 #endif
428                 else if (strcmp(*argv,"-ocspid") == 0)
429                         ocspid= ++num;
430                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
431                         {
432                         /* ok */
433                         digest=md_alg;
434                         }
435                 else
436                         {
437                         BIO_printf(bio_err,"unknown option %s\n",*argv);
438                         badops=1;
439                         break;
440                         }
441                 argc--;
442                 argv++;
443                 }
444
445         if (badops)
446                 {
447 bad:
448                 for (pp=x509_usage; (*pp != NULL); pp++)
449                         BIO_printf(bio_err,"%s",*pp);
450                 goto end;
451                 }
452
453 #ifndef OPENSSL_NO_ENGINE
454         e = setup_engine(bio_err, engine, 0);
455 #endif
456
457         if (need_rand)
458                 app_RAND_load_file(NULL, bio_err, 0);
459
460         ERR_load_crypto_strings();
461
462         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
463                 {
464                 BIO_printf(bio_err, "Error getting password\n");
465                 goto end;
466                 }
467
468         if (!X509_STORE_set_default_paths(ctx))
469                 {
470                 ERR_print_errors(bio_err);
471                 goto end;
472                 }
473
474         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
475                 { CAkeyfile=CAfile; }
476         else if ((CA_flag) && (CAkeyfile == NULL))
477                 {
478                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
479                 goto end;
480                 }
481
482         if (extfile)
483                 {
484                 long errorline = -1;
485                 X509V3_CTX ctx2;
486                 extconf = NCONF_new(NULL);
487                 if (!NCONF_load(extconf, extfile,&errorline))
488                         {
489                         if (errorline <= 0)
490                                 BIO_printf(bio_err,
491                                         "error loading the config file '%s'\n",
492                                                                 extfile);
493                         else
494                                 BIO_printf(bio_err,
495                                        "error on line %ld of config file '%s'\n"
496                                                         ,errorline,extfile);
497                         goto end;
498                         }
499                 if (!extsect)
500                         {
501                         extsect = NCONF_get_string(extconf, "default", "extensions");
502                         if (!extsect)
503                                 {
504                                 ERR_clear_error();
505                                 extsect = "default";
506                                 }
507                         }
508                 X509V3_set_ctx_test(&ctx2);
509                 X509V3_set_nconf(&ctx2, extconf);
510                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
511                         {
512                         BIO_printf(bio_err,
513                                 "Error Loading extension section %s\n",
514                                                                  extsect);
515                         ERR_print_errors(bio_err);
516                         goto end;
517                         }
518                 }
519
520
521         if (reqfile)
522                 {
523                 EVP_PKEY *pkey;
524                 X509_CINF *ci;
525                 BIO *in;
526
527                 if (!sign_flag && !CA_flag)
528                         {
529                         BIO_printf(bio_err,"We need a private key to sign with\n");
530                         goto end;
531                         }
532                 in=BIO_new(BIO_s_file());
533                 if (in == NULL)
534                         {
535                         ERR_print_errors(bio_err);
536                         goto end;
537                         }
538
539                 if (infile == NULL)
540                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
541                 else
542                         {
543                         if (BIO_read_filename(in,infile) <= 0)
544                                 {
545                                 perror(infile);
546                                 BIO_free(in);
547                                 goto end;
548                                 }
549                         }
550                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
551                 BIO_free(in);
552
553                 if (req == NULL)
554                         {
555                         ERR_print_errors(bio_err);
556                         goto end;
557                         }
558
559                 if (    (req->req_info == NULL) ||
560                         (req->req_info->pubkey == NULL) ||
561                         (req->req_info->pubkey->public_key == NULL) ||
562                         (req->req_info->pubkey->public_key->data == NULL))
563                         {
564                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
565                         BIO_printf(bio_err,"It does not contain a public key\n");
566                         goto end;
567                         }
568                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
569                         {
570                         BIO_printf(bio_err,"error unpacking public key\n");
571                         goto end;
572                         }
573                 i=X509_REQ_verify(req,pkey);
574                 EVP_PKEY_free(pkey);
575                 if (i < 0)
576                         {
577                         BIO_printf(bio_err,"Signature verification error\n");
578                         ERR_print_errors(bio_err);
579                         goto end;
580                         }
581                 if (i == 0)
582                         {
583                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
584                         goto end;
585                         }
586                 else
587                         BIO_printf(bio_err,"Signature ok\n");
588
589                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
590
591                 if ((x=X509_new()) == NULL) goto end;
592                 ci=x->cert_info;
593
594                 if (sno)
595                         {
596                         if (!X509_set_serialNumber(x, sno))
597                                 goto end;
598                         }
599                 else if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
600                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
601                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
602
603                 X509_gmtime_adj(X509_get_notBefore(x),0);
604                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
605
606                 pkey = X509_REQ_get_pubkey(req);
607                 X509_set_pubkey(x,pkey);
608                 EVP_PKEY_free(pkey);
609                 }
610         else
611                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
612
613         if (x == NULL) goto end;
614         if (CA_flag)
615                 {
616                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
617                 if (xca == NULL) goto end;
618                 }
619
620         if (!noout || text)
621                 {
622                 OBJ_create("2.99999.3",
623                         "SET.ex3","SET x509v3 extension 3");
624
625                 out=BIO_new(BIO_s_file());
626                 if (out == NULL)
627                         {
628                         ERR_print_errors(bio_err);
629                         goto end;
630                         }
631                 if (outfile == NULL)
632                         {
633                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
634 #ifdef OPENSSL_SYS_VMS
635                         {
636                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
637                         out = BIO_push(tmpbio, out);
638                         }
639 #endif
640                         }
641                 else
642                         {
643                         if (BIO_write_filename(out,outfile) <= 0)
644                                 {
645                                 perror(outfile);
646                                 goto end;
647                                 }
648                         }
649                 }
650
651         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
652
653         if (clrtrust) X509_trust_clear(x);
654         if (clrreject) X509_reject_clear(x);
655
656         if (trust)
657                 {
658                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
659                         {
660                         objtmp = sk_ASN1_OBJECT_value(trust, i);
661                         X509_add1_trust_object(x, objtmp);
662                         }
663                 }
664
665         if (reject)
666                 {
667                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
668                         {
669                         objtmp = sk_ASN1_OBJECT_value(reject, i);
670                         X509_add1_reject_object(x, objtmp);
671                         }
672                 }
673
674         if (num)
675                 {
676                 for (i=1; i<=num; i++)
677                         {
678                         if (issuer == i)
679                                 {
680                                 print_name(STDout, "issuer= ",
681                                         X509_get_issuer_name(x), nmflag);
682                                 }
683                         else if (subject == i) 
684                                 {
685                                 print_name(STDout, "subject= ",
686                                         X509_get_subject_name(x), nmflag);
687                                 }
688                         else if (serial == i)
689                                 {
690                                 BIO_printf(STDout,"serial=");
691                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
692                                 BIO_printf(STDout,"\n");
693                                 }
694                         else if (email == i) 
695                                 {
696                                 int j;
697                                 STACK *emlst;
698                                 emlst = X509_get1_email(x);
699                                 for (j = 0; j < sk_num(emlst); j++)
700                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
701                                 X509_email_free(emlst);
702                                 }
703                         else if (aliasout == i)
704                                 {
705                                 unsigned char *alstr;
706                                 alstr = X509_alias_get0(x, NULL);
707                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
708                                 else BIO_puts(STDout,"<No Alias>\n");
709                                 }
710                         else if (hash == i)
711                                 {
712                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
713                                 }
714                         else if (pprint == i)
715                                 {
716                                 X509_PURPOSE *ptmp;
717                                 int j;
718                                 BIO_printf(STDout, "Certificate purposes:\n");
719                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
720                                         {
721                                         ptmp = X509_PURPOSE_get0(j);
722                                         purpose_print(STDout, x, ptmp);
723                                         }
724                                 }
725                         else
726                                 if (modulus == i)
727                                 {
728                                 EVP_PKEY *pkey;
729
730                                 pkey=X509_get_pubkey(x);
731                                 if (pkey == NULL)
732                                         {
733                                         BIO_printf(bio_err,"Modulus=unavailable\n");
734                                         ERR_print_errors(bio_err);
735                                         goto end;
736                                         }
737                                 BIO_printf(STDout,"Modulus=");
738 #ifndef OPENSSL_NO_RSA
739                                 if (pkey->type == EVP_PKEY_RSA)
740                                         BN_print(STDout,pkey->pkey.rsa->n);
741                                 else
742 #endif
743 #ifndef OPENSSL_NO_DSA
744                                 if (pkey->type == EVP_PKEY_DSA)
745                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
746                                 else
747 #endif
748                                         BIO_printf(STDout,"Wrong Algorithm type");
749                                 BIO_printf(STDout,"\n");
750                                 EVP_PKEY_free(pkey);
751                                 }
752                         else
753                                 if (pubkey == i)
754                                 {
755                                 EVP_PKEY *pkey;
756
757                                 pkey=X509_get_pubkey(x);
758                                 if (pkey == NULL)
759                                         {
760                                         BIO_printf(bio_err,"Error getting public key\n");
761                                         ERR_print_errors(bio_err);
762                                         goto end;
763                                         }
764                                 PEM_write_bio_PUBKEY(STDout, pkey);
765                                 EVP_PKEY_free(pkey);
766                                 }
767                         else
768                                 if (C == i)
769                                 {
770                                 unsigned char *d;
771                                 char *m;
772                                 int y,z;
773
774                                 X509_NAME_oneline(X509_get_subject_name(x),
775                                         buf,sizeof buf);
776                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
777                                 m=X509_NAME_oneline(
778                                         X509_get_issuer_name(x),buf,
779                                         sizeof buf);
780                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
781
782                                 z=i2d_X509(x,NULL);
783                                 m=OPENSSL_malloc(z);
784
785                                 d=(unsigned char *)m;
786                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
787                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
788                                 d=(unsigned char *)m;
789                                 for (y=0; y<z; y++)
790                                         {
791                                         BIO_printf(STDout,"0x%02X,",d[y]);
792                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
793                                         }
794                                 if (y%16 != 0) BIO_printf(STDout,"\n");
795                                 BIO_printf(STDout,"};\n");
796
797                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
798                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
799                                 d=(unsigned char *)m;
800                                 for (y=0; y<z; y++)
801                                         {
802                                         BIO_printf(STDout,"0x%02X,",d[y]);
803                                         if ((y & 0x0f) == 0x0f)
804                                                 BIO_printf(STDout,"\n");
805                                         }
806                                 if (y%16 != 0) BIO_printf(STDout,"\n");
807                                 BIO_printf(STDout,"};\n");
808
809                                 z=i2d_X509(x,&d);
810                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
811                                 d=(unsigned char *)m;
812                                 for (y=0; y<z; y++)
813                                         {
814                                         BIO_printf(STDout,"0x%02X,",d[y]);
815                                         if ((y & 0x0f) == 0x0f)
816                                                 BIO_printf(STDout,"\n");
817                                         }
818                                 if (y%16 != 0) BIO_printf(STDout,"\n");
819                                 BIO_printf(STDout,"};\n");
820
821                                 OPENSSL_free(m);
822                                 }
823                         else if (text == i)
824                                 {
825                                 X509_print_ex(out,x,nmflag, certflag);
826                                 }
827                         else if (startdate == i)
828                                 {
829                                 BIO_puts(STDout,"notBefore=");
830                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
831                                 BIO_puts(STDout,"\n");
832                                 }
833                         else if (enddate == i)
834                                 {
835                                 BIO_puts(STDout,"notAfter=");
836                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
837                                 BIO_puts(STDout,"\n");
838                                 }
839                         else if (fingerprint == i)
840                                 {
841                                 int j;
842                                 unsigned int n;
843                                 unsigned char md[EVP_MAX_MD_SIZE];
844
845                                 if (!X509_digest(x,digest,md,&n))
846                                         {
847                                         BIO_printf(bio_err,"out of memory\n");
848                                         goto end;
849                                         }
850                                 BIO_printf(STDout,"%s Fingerprint=",
851                                                 OBJ_nid2sn(EVP_MD_type(digest)));
852                                 for (j=0; j<(int)n; j++)
853                                         {
854                                         BIO_printf(STDout,"%02X%c",md[j],
855                                                 (j+1 == (int)n)
856                                                 ?'\n':':');
857                                         }
858                                 }
859
860                         /* should be in the library */
861                         else if ((sign_flag == i) && (x509req == 0))
862                                 {
863                                 BIO_printf(bio_err,"Getting Private key\n");
864                                 if (Upkey == NULL)
865                                         {
866                                         Upkey=load_key(bio_err,
867                                                 keyfile, keyformat, 0,
868                                                 passin, e, "Private key");
869                                         if (Upkey == NULL) goto end;
870                                         }
871 #ifndef OPENSSL_NO_DSA
872                                 if (Upkey->type == EVP_PKEY_DSA)
873                                         digest=EVP_dss1();
874 #endif
875
876                                 assert(need_rand);
877                                 if (!sign(x,Upkey,days,clrext,digest,
878                                                  extconf, extsect)) goto end;
879                                 }
880                         else if (CA_flag == i)
881                                 {
882                                 BIO_printf(bio_err,"Getting CA Private Key\n");
883                                 if (CAkeyfile != NULL)
884                                         {
885                                         CApkey=load_key(bio_err,
886                                                 CAkeyfile, CAkeyformat,
887                                                 0, passin, e,
888                                                 "CA Private Key");
889                                         if (CApkey == NULL) goto end;
890                                         }
891 #ifndef OPENSSL_NO_DSA
892                                 if (CApkey->type == EVP_PKEY_DSA)
893                                         digest=EVP_dss1();
894 #endif
895                                 
896                                 assert(need_rand);
897                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
898                                         CApkey, CAserial,CA_createserial,days, clrext,
899                                         extconf, extsect, sno))
900                                         goto end;
901                                 }
902                         else if (x509req == i)
903                                 {
904                                 EVP_PKEY *pk;
905
906                                 BIO_printf(bio_err,"Getting request Private Key\n");
907                                 if (keyfile == NULL)
908                                         {
909                                         BIO_printf(bio_err,"no request key file specified\n");
910                                         goto end;
911                                         }
912                                 else
913                                         {
914                                         pk=load_key(bio_err,
915                                                 keyfile, FORMAT_PEM, 0,
916                                                 passin, e, "request key");
917                                         if (pk == NULL) goto end;
918                                         }
919
920                                 BIO_printf(bio_err,"Generating certificate request\n");
921
922 #ifndef OPENSSL_NO_DSA
923                                 if (pk->type == EVP_PKEY_DSA)
924                                         digest=EVP_dss1();
925 #endif
926
927                                 rq=X509_to_X509_REQ(x,pk,digest);
928                                 EVP_PKEY_free(pk);
929                                 if (rq == NULL)
930                                         {
931                                         ERR_print_errors(bio_err);
932                                         goto end;
933                                         }
934                                 if (!noout)
935                                         {
936                                         X509_REQ_print(out,rq);
937                                         PEM_write_bio_X509_REQ(out,rq);
938                                         }
939                                 noout=1;
940                                 }
941                         else if (ocspid == i)
942                                 {
943                                 X509_ocspid_print(out, x);
944                                 }
945                         }
946                 }
947
948         if (checkend)
949                 {
950                 time_t tnow=time(NULL);
951
952                 if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x), tnow+checkoffset) == -1)
953                         {
954                         BIO_printf(out,"Certificate will expire\n");
955                         ret=1;
956                         }
957                 else
958                         {
959                         BIO_printf(out,"Certificate will not expire\n");
960                         ret=0;
961                         }
962                 goto end;
963                 }
964
965         if (noout)
966                 {
967                 ret=0;
968                 goto end;
969                 }
970
971         if      (outformat == FORMAT_ASN1)
972                 i=i2d_X509_bio(out,x);
973         else if (outformat == FORMAT_PEM)
974                 {
975                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
976                 else i=PEM_write_bio_X509(out,x);
977                 }
978         else if (outformat == FORMAT_NETSCAPE)
979                 {
980                 ASN1_HEADER ah;
981                 ASN1_OCTET_STRING os;
982
983                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
984                 os.length=strlen(NETSCAPE_CERT_HDR);
985                 ah.header= &os;
986                 ah.data=(char *)x;
987                 ah.meth=X509_asn1_meth();
988
989                 /* no macro for this one yet */
990                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
991                 }
992         else    {
993                 BIO_printf(bio_err,"bad output format specified for outfile\n");
994                 goto end;
995                 }
996         if (!i)
997                 {
998                 BIO_printf(bio_err,"unable to write certificate\n");
999                 ERR_print_errors(bio_err);
1000                 goto end;
1001                 }
1002         ret=0;
1003 end:
1004         if (need_rand)
1005                 app_RAND_write_file(NULL, bio_err);
1006         OBJ_cleanup();
1007         NCONF_free(extconf);
1008         BIO_free_all(out);
1009         BIO_free_all(STDout);
1010         X509_STORE_free(ctx);
1011         X509_REQ_free(req);
1012         X509_free(x);
1013         X509_free(xca);
1014         EVP_PKEY_free(Upkey);
1015         EVP_PKEY_free(CApkey);
1016         X509_REQ_free(rq);
1017         ASN1_INTEGER_free(sno);
1018         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1019         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1020         if (passin) OPENSSL_free(passin);
1021         apps_shutdown();
1022         OPENSSL_EXIT(ret);
1023         }
1024
1025 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1026         {
1027         char *buf = NULL, *p;
1028         ASN1_INTEGER *bs = NULL;
1029         BIGNUM *serial = NULL;
1030         size_t len;
1031
1032         len = ((serialfile == NULL)
1033                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1034                 :(strlen(serialfile)))+1;
1035         buf=OPENSSL_malloc(len);
1036         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1037         if (serialfile == NULL)
1038                 {
1039                 BUF_strlcpy(buf,CAfile,len);
1040                 for (p=buf; *p; p++)
1041                         if (*p == '.')
1042                                 {
1043                                 *p='\0';
1044                                 break;
1045                                 }
1046                 BUF_strlcat(buf,POSTFIX,len);
1047                 }
1048         else
1049                 BUF_strlcpy(buf,serialfile,len);
1050         serial=BN_new();
1051         bs=ASN1_INTEGER_new();
1052         if ((serial == NULL) || (bs == NULL))
1053                 {
1054                 ERR_print_errors(bio_err);
1055                 goto end;
1056                 }
1057
1058         serial = load_serial(buf, create, NULL);
1059         if (serial == NULL) goto end;
1060
1061         if (!BN_add_word(serial,1))
1062                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1063
1064         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1065
1066  end:
1067         if (buf) OPENSSL_free(buf);
1068         BN_free(serial);
1069         return bs;
1070         }
1071
1072 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1073              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1074              int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1075         {
1076         int ret=0;
1077         ASN1_INTEGER *bs=NULL;
1078         X509_STORE_CTX xsc;
1079         EVP_PKEY *upkey;
1080
1081         upkey = X509_get_pubkey(xca);
1082         EVP_PKEY_copy_parameters(upkey,pkey);
1083         EVP_PKEY_free(upkey);
1084
1085         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1086                 {
1087                 BIO_printf(bio_err,"Error initialising X509 store\n");
1088                 goto end;
1089                 }
1090         if (sno) bs = sno;
1091         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1092                 goto end;
1093
1094 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1095
1096         /* NOTE: this certificate can/should be self signed, unless it was
1097          * a certificate request in which case it is not. */
1098         X509_STORE_CTX_set_cert(&xsc,x);
1099         if (!reqfile && !X509_verify_cert(&xsc))
1100                 goto end;
1101
1102         if (!X509_check_private_key(xca,pkey))
1103                 {
1104                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1105                 goto end;
1106                 }
1107
1108         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1109         if (!X509_set_serialNumber(x,bs)) goto end;
1110
1111         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1112                 goto end;
1113
1114         /* hardwired expired */
1115         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1116                 goto end;
1117
1118         if (clrext)
1119                 {
1120                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1121                 }
1122
1123         if (conf)
1124                 {
1125                 X509V3_CTX ctx2;
1126                 X509_set_version(x,2); /* version 3 certificate */
1127                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1128                 X509V3_set_nconf(&ctx2, conf);
1129                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1130                 }
1131
1132         if (!X509_sign(x,pkey,digest)) goto end;
1133         ret=1;
1134 end:
1135         X509_STORE_CTX_cleanup(&xsc);
1136         if (!ret)
1137                 ERR_print_errors(bio_err);
1138         if (!sno) ASN1_INTEGER_free(bs);
1139         return ret;
1140         }
1141
1142 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1143         {
1144         int err;
1145         X509 *err_cert;
1146
1147         /* it is ok to use a self signed certificate
1148          * This case will catch both the initial ok == 0 and the
1149          * final ok == 1 calls to this function */
1150         err=X509_STORE_CTX_get_error(ctx);
1151         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1152                 return 1;
1153
1154         /* BAD we should have gotten an error.  Normally if everything
1155          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1156          * DEPTH_ZERO_SELF_.... */
1157         if (ok)
1158                 {
1159                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1160                 return 0;
1161                 }
1162         else
1163                 {
1164                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1165                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1166                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1167                         err,X509_STORE_CTX_get_error_depth(ctx),
1168                         X509_verify_cert_error_string(err));
1169                 return 1;
1170                 }
1171         }
1172
1173 /* self sign */
1174 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1175                                                 CONF *conf, char *section)
1176         {
1177
1178         EVP_PKEY *pktmp;
1179
1180         pktmp = X509_get_pubkey(x);
1181         EVP_PKEY_copy_parameters(pktmp,pkey);
1182         EVP_PKEY_save_parameters(pktmp,1);
1183         EVP_PKEY_free(pktmp);
1184
1185         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1186         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1187
1188         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1189         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1190         /* 28 days to be certified */
1191
1192         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1193                 goto err;
1194
1195         if (!X509_set_pubkey(x,pkey)) goto err;
1196         if (clrext)
1197                 {
1198                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1199                 }
1200         if (conf)
1201                 {
1202                 X509V3_CTX ctx;
1203                 X509_set_version(x,2); /* version 3 certificate */
1204                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1205                 X509V3_set_nconf(&ctx, conf);
1206                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1207                 }
1208         if (!X509_sign(x,pkey,digest)) goto err;
1209         return 1;
1210 err:
1211         ERR_print_errors(bio_err);
1212         return 0;
1213         }
1214
1215 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1216 {
1217         int id, i, idret;
1218         char *pname;
1219         id = X509_PURPOSE_get_id(pt);
1220         pname = X509_PURPOSE_get0_name(pt);
1221         for (i = 0; i < 2; i++)
1222                 {
1223                 idret = X509_check_purpose(cert, id, i);
1224                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1225                 if (idret == 1) BIO_printf(bio, "Yes\n");
1226                 else if (idret == 0) BIO_printf(bio, "No\n");
1227                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1228                 }
1229         return 1;
1230 }