5403576585adfe4bf4d7f93725ff4a8f806a0c33
[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 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 #define CERT_HDR        "certificate"
85
86 static char *x509_usage[]={
87 "usage: x509 args\n",
88 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
89 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
90 " -keyform arg    - private key format - default PEM\n",
91 " -CAform arg     - CA format - default PEM\n",
92 " -CAkeyform arg  - CA key format - default PEM\n",
93 " -in arg         - input file - default stdin\n",
94 " -out arg        - output file - default stdout\n",
95 " -passin arg     - private key password source\n",
96 " -serial         - print serial number value\n",
97 " -hash           - print hash value\n",
98 " -subject        - print subject DN\n",
99 " -issuer         - print issuer DN\n",
100 " -startdate      - notBefore field\n",
101 " -enddate        - notAfter field\n",
102 " -purpose        - print out certificate purposes\n",
103 " -dates          - both Before and After dates\n",
104 " -modulus        - print the RSA key modulus\n",
105 " -pubkey         - output the public key\n",
106 " -fingerprint    - print the certificate fingerprint\n",
107 " -alias          - output certificate alias\n",
108 " -noout          - no certificate output\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 " -signkey arg    - self sign cert with arg\n",
117 " -x509toreq      - output a certification request object\n",
118 " -req            - input is a certificate request, sign and output.\n",
119 " -CA arg         - set the CA certificate, must be PEM format.\n",
120 " -CAkey arg      - set the CA key, must be PEM format\n",
121 "                   missing, it is assumed to be in the CA file.\n",
122 " -CAcreateserial - create serial number file if it does not exist\n",
123 " -CAserial       - serial file\n",
124 " -text           - print the certificate in text form\n",
125 " -C              - print out C code forms\n",
126 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
127 " -extfile        - configuration file with X509V3 extensions to add\n",
128 " -extensions     - section from config file with X509V3 extensions to add\n",
129 " -clrext         - delete extensions before signing and input certificate\n",
130 NULL
131 };
132
133 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
134 static EVP_PKEY *load_key(char *file, int format, char *passin);
135 static X509 *load_cert(char *file, int format);
136 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
137                                                 LHASH *conf, char *section);
138 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
139                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
140                          int create,int days, int clrext, LHASH *conf, char *section);
141 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
142 static int reqfile=0;
143
144 int MAIN(int, char **);
145
146 int MAIN(int argc, char **argv)
147         {
148         int ret=1;
149         X509_REQ *req=NULL;
150         X509 *x=NULL,*xca=NULL;
151         ASN1_OBJECT *objtmp;
152         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
153         int i,num,badops=0;
154         BIO *out=NULL;
155         BIO *STDout=NULL;
156         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
157         int informat,outformat,keyformat,CAformat,CAkeyformat;
158         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
159         char *CAkeyfile=NULL,*CAserial=NULL;
160         char *alias=NULL;
161         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
162         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
163         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
164         int C=0;
165         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
166         int pprint = 0;
167         char **pp;
168         X509_STORE *ctx=NULL;
169         X509_REQ *rq=NULL;
170         int fingerprint=0;
171         char buf[256];
172         const EVP_MD *md_alg,*digest=EVP_md5();
173         LHASH *extconf = NULL;
174         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
175         int need_rand = 0;
176
177         reqfile=0;
178
179         apps_startup();
180
181         if (bio_err == NULL)
182                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
183         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
184
185         informat=FORMAT_PEM;
186         outformat=FORMAT_PEM;
187         keyformat=FORMAT_PEM;
188         CAformat=FORMAT_PEM;
189         CAkeyformat=FORMAT_PEM;
190
191         ctx=X509_STORE_new();
192         if (ctx == NULL) goto end;
193         X509_STORE_set_verify_cb_func(ctx,callb);
194
195         argc--;
196         argv++;
197         num=0;
198         while (argc >= 1)
199                 {
200                 if      (strcmp(*argv,"-inform") == 0)
201                         {
202                         if (--argc < 1) goto bad;
203                         informat=str2fmt(*(++argv));
204                         }
205                 else if (strcmp(*argv,"-outform") == 0)
206                         {
207                         if (--argc < 1) goto bad;
208                         outformat=str2fmt(*(++argv));
209                         }
210                 else if (strcmp(*argv,"-keyform") == 0)
211                         {
212                         if (--argc < 1) goto bad;
213                         keyformat=str2fmt(*(++argv));
214                         }
215                 else if (strcmp(*argv,"-req") == 0)
216                         {
217                         reqfile=1;
218                         need_rand = 1;
219                         }
220                 else if (strcmp(*argv,"-CAform") == 0)
221                         {
222                         if (--argc < 1) goto bad;
223                         CAformat=str2fmt(*(++argv));
224                         }
225                 else if (strcmp(*argv,"-CAkeyform") == 0)
226                         {
227                         if (--argc < 1) goto bad;
228                         CAformat=str2fmt(*(++argv));
229                         }
230                 else if (strcmp(*argv,"-days") == 0)
231                         {
232                         if (--argc < 1) goto bad;
233                         days=atoi(*(++argv));
234                         if (days == 0)
235                                 {
236                                 BIO_printf(STDout,"bad number of days\n");
237                                 goto bad;
238                                 }
239                         }
240                 else if (strcmp(*argv,"-passin") == 0)
241                         {
242                         if (--argc < 1) goto bad;
243                         passargin= *(++argv);
244                         }
245                 else if (strcmp(*argv,"-extfile") == 0)
246                         {
247                         if (--argc < 1) goto bad;
248                         extfile= *(++argv);
249                         }
250                 else if (strcmp(*argv,"-extensions") == 0)
251                         {
252                         if (--argc < 1) goto bad;
253                         extsect= *(++argv);
254                         }
255                 else if (strcmp(*argv,"-in") == 0)
256                         {
257                         if (--argc < 1) goto bad;
258                         infile= *(++argv);
259                         }
260                 else if (strcmp(*argv,"-out") == 0)
261                         {
262                         if (--argc < 1) goto bad;
263                         outfile= *(++argv);
264                         }
265                 else if (strcmp(*argv,"-signkey") == 0)
266                         {
267                         if (--argc < 1) goto bad;
268                         keyfile= *(++argv);
269                         sign_flag= ++num;
270                         need_rand = 1;
271                         }
272                 else if (strcmp(*argv,"-CA") == 0)
273                         {
274                         if (--argc < 1) goto bad;
275                         CAfile= *(++argv);
276                         CA_flag= ++num;
277                         need_rand = 1;
278                         }
279                 else if (strcmp(*argv,"-CAkey") == 0)
280                         {
281                         if (--argc < 1) goto bad;
282                         CAkeyfile= *(++argv);
283                         }
284                 else if (strcmp(*argv,"-CAserial") == 0)
285                         {
286                         if (--argc < 1) goto bad;
287                         CAserial= *(++argv);
288                         }
289                 else if (strcmp(*argv,"-addtrust") == 0)
290                         {
291                         if (--argc < 1) goto bad;
292                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
293                                 BIO_printf(bio_err,
294                                         "Invalid trust object value %s\n", *argv);
295                                 goto bad;
296                         }
297                         if(!trust) trust = sk_ASN1_OBJECT_new_null();
298                         sk_ASN1_OBJECT_push(trust, objtmp);
299                         trustout = 1;
300                         }
301                 else if (strcmp(*argv,"-addreject") == 0)
302                         {
303                         if (--argc < 1) goto bad;
304                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
305                                 BIO_printf(bio_err,
306                                         "Invalid reject object value %s\n", *argv);
307                                 goto bad;
308                         }
309                         if(!reject) reject = sk_ASN1_OBJECT_new_null();
310                         sk_ASN1_OBJECT_push(reject, objtmp);
311                         trustout = 1;
312                         }
313                 else if (strcmp(*argv,"-setalias") == 0)
314                         {
315                         if (--argc < 1) goto bad;
316                         alias= *(++argv);
317                         trustout = 1;
318                         }
319                 else if (strcmp(*argv,"-setalias") == 0)
320                         {
321                         if (--argc < 1) goto bad;
322                         alias= *(++argv);
323                         trustout = 1;
324                         }
325                 else if (strcmp(*argv,"-C") == 0)
326                         C= ++num;
327                 else if (strcmp(*argv,"-serial") == 0)
328                         serial= ++num;
329                 else if (strcmp(*argv,"-modulus") == 0)
330                         modulus= ++num;
331                 else if (strcmp(*argv,"-pubkey") == 0)
332                         pubkey= ++num;
333                 else if (strcmp(*argv,"-x509toreq") == 0)
334                         x509req= ++num;
335                 else if (strcmp(*argv,"-text") == 0)
336                         text= ++num;
337                 else if (strcmp(*argv,"-hash") == 0)
338                         hash= ++num;
339                 else if (strcmp(*argv,"-subject") == 0)
340                         subject= ++num;
341                 else if (strcmp(*argv,"-issuer") == 0)
342                         issuer= ++num;
343                 else if (strcmp(*argv,"-fingerprint") == 0)
344                         fingerprint= ++num;
345                 else if (strcmp(*argv,"-dates") == 0)
346                         {
347                         startdate= ++num;
348                         enddate= ++num;
349                         }
350                 else if (strcmp(*argv,"-purpose") == 0)
351                         pprint= ++num;
352                 else if (strcmp(*argv,"-startdate") == 0)
353                         startdate= ++num;
354                 else if (strcmp(*argv,"-enddate") == 0)
355                         enddate= ++num;
356                 else if (strcmp(*argv,"-noout") == 0)
357                         noout= ++num;
358                 else if (strcmp(*argv,"-trustout") == 0)
359                         trustout= 1;
360                 else if (strcmp(*argv,"-clrtrust") == 0)
361                         clrtrust= ++num;
362                 else if (strcmp(*argv,"-clrreject") == 0)
363                         clrreject= ++num;
364                 else if (strcmp(*argv,"-alias") == 0)
365                         aliasout= ++num;
366                 else if (strcmp(*argv,"-CAcreateserial") == 0)
367                         CA_createserial= ++num;
368                 else if (strcmp(*argv,"-clrext") == 0)
369                         clrext = 1;
370 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
371                 else if (strcmp(*argv,"-crlext") == 0)
372                         {
373                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
374                         clrext = 1;
375                         }
376 #endif
377                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
378                         {
379                         /* ok */
380                         digest=md_alg;
381                         }
382                 else
383                         {
384                         BIO_printf(bio_err,"unknown option %s\n",*argv);
385                         badops=1;
386                         break;
387                         }
388                 argc--;
389                 argv++;
390                 }
391
392         if (badops)
393                 {
394 bad:
395                 for (pp=x509_usage; (*pp != NULL); pp++)
396                         BIO_printf(bio_err,*pp);
397                 goto end;
398                 }
399
400         if (need_rand)
401                 app_RAND_load_file(NULL, bio_err, 0);
402
403         ERR_load_crypto_strings();
404
405         if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
406                 BIO_printf(bio_err, "Error getting password\n");
407                 goto end;
408         }
409
410         if (!X509_STORE_set_default_paths(ctx))
411                 {
412                 ERR_print_errors(bio_err);
413                 goto end;
414                 }
415
416         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
417                 { CAkeyfile=CAfile; }
418         else if ((CA_flag) && (CAkeyfile == NULL))
419                 {
420                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
421                 goto end;
422                 }
423
424         if (extfile) {
425                 long errorline;
426                 X509V3_CTX ctx2;
427                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
428                         if (errorline <= 0)
429                                 BIO_printf(bio_err,
430                                         "error loading the config file '%s'\n",
431                                                                 extfile);
432                         else
433                                 BIO_printf(bio_err,
434                                        "error on line %ld of config file '%s'\n"
435                                                         ,errorline,extfile);
436                         goto end;
437                 }
438                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
439                                          "extensions"))) extsect = "default";
440                 X509V3_set_ctx_test(&ctx2);
441                 X509V3_set_conf_lhash(&ctx2, extconf);
442                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
443                         BIO_printf(bio_err,
444                                 "Error Loading extension section %s\n",
445                                                                  extsect);
446                         ERR_print_errors(bio_err);
447                         goto end;
448                 }
449         } 
450
451
452         if (reqfile)
453                 {
454                 EVP_PKEY *pkey;
455                 X509_CINF *ci;
456                 BIO *in;
457
458                 if (!sign_flag && !CA_flag)
459                         {
460                         BIO_printf(bio_err,"We need a private key to sign with\n");
461                         goto end;
462                         }
463                 in=BIO_new(BIO_s_file());
464                 if (in == NULL)
465                         {
466                         ERR_print_errors(bio_err);
467                         goto end;
468                         }
469
470                 if (infile == NULL)
471                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
472                 else
473                         {
474                         if (BIO_read_filename(in,infile) <= 0)
475                                 {
476                                 perror(infile);
477                                 BIO_free(in);
478                                 goto end;
479                                 }
480                         }
481                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
482                 BIO_free(in);
483
484                 if (req == NULL)
485                         {
486                         ERR_print_errors(bio_err);
487                         goto end;
488                         }
489
490                 if (    (req->req_info == NULL) ||
491                         (req->req_info->pubkey == NULL) ||
492                         (req->req_info->pubkey->public_key == NULL) ||
493                         (req->req_info->pubkey->public_key->data == NULL))
494                         {
495                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
496                         BIO_printf(bio_err,"It does not contain a public key\n");
497                         goto end;
498                         }
499                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
500                         {
501                         BIO_printf(bio_err,"error unpacking public key\n");
502                         goto end;
503                         }
504                 i=X509_REQ_verify(req,pkey);
505                 EVP_PKEY_free(pkey);
506                 if (i < 0)
507                         {
508                         BIO_printf(bio_err,"Signature verification error\n");
509                         ERR_print_errors(bio_err);
510                         goto end;
511                         }
512                 if (i == 0)
513                         {
514                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
515                         goto end;
516                         }
517                 else
518                         BIO_printf(bio_err,"Signature ok\n");
519                 
520                 X509_NAME_oneline(req->req_info->subject,buf,256);
521                 BIO_printf(bio_err,"subject=%s\n",buf);
522
523                 if ((x=X509_new()) == NULL) goto end;
524                 ci=x->cert_info;
525
526                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
527                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
528                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
529
530                 X509_gmtime_adj(X509_get_notBefore(x),0);
531                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
532
533                 pkey = X509_REQ_get_pubkey(req);
534                 X509_set_pubkey(x,pkey);
535                 EVP_PKEY_free(pkey);
536                 }
537         else
538                 x=load_cert(infile,informat);
539
540         if (x == NULL) goto end;
541         if (CA_flag)
542                 {
543                 xca=load_cert(CAfile,CAformat);
544                 if (xca == NULL) goto end;
545                 }
546
547         if (!noout || text)
548                 {
549                 OBJ_create("2.99999.3",
550                         "SET.ex3","SET x509v3 extension 3");
551
552                 out=BIO_new(BIO_s_file());
553                 if (out == NULL)
554                         {
555                         ERR_print_errors(bio_err);
556                         goto end;
557                         }
558                 if (outfile == NULL)
559                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
560                 else
561                         {
562                         if (BIO_write_filename(out,outfile) <= 0)
563                                 {
564                                 perror(outfile);
565                                 goto end;
566                                 }
567                         }
568                 }
569
570         if(alias) X509_alias_set1(x, (unsigned char *)alias, -1);
571
572         if(clrtrust) X509_trust_clear(x);
573         if(clrreject) X509_reject_clear(x);
574
575         if(trust) {
576                 for(i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
577                         objtmp = sk_ASN1_OBJECT_value(trust, i);
578                         X509_add1_trust_object(x, objtmp);
579                 }
580         }
581
582         if(reject) {
583                 for(i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
584                         objtmp = sk_ASN1_OBJECT_value(reject, i);
585                         X509_add1_reject_object(x, objtmp);
586                 }
587         }
588
589         if (num)
590                 {
591                 for (i=1; i<=num; i++)
592                         {
593                         if (issuer == i)
594                                 {
595                                 X509_NAME_oneline(X509_get_issuer_name(x),
596                                         buf,256);
597                                 BIO_printf(STDout,"issuer= %s\n",buf);
598                                 }
599                         else if (subject == i) 
600                                 {
601                                 X509_NAME_oneline(X509_get_subject_name(x),
602                                         buf,256);
603                                 BIO_printf(STDout,"subject=%s\n",buf);
604                                 }
605                         else if (serial == i)
606                                 {
607                                 BIO_printf(STDout,"serial=");
608                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
609                                 BIO_printf(STDout,"\n");
610                                 }
611                         else if (aliasout == i)
612                                 {
613                                 unsigned char *alstr;
614                                 alstr = X509_alias_get0(x, NULL);
615                                 if(alstr) BIO_printf(STDout,"%s\n", alstr);
616                                 else BIO_puts(STDout,"<No Alias>\n");
617                                 }
618                         else if (hash == i)
619                                 {
620                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
621                                 }
622                         else if (pprint == i)
623                                 {
624                                 X509_PURPOSE *ptmp;
625                                 int j;
626                                 BIO_printf(STDout, "Certificate purposes:\n");
627                                 for(j = 0; j < X509_PURPOSE_get_count(); j++)
628                                         {
629                                         ptmp = X509_PURPOSE_get0(j);
630                                         purpose_print(STDout, x, ptmp);
631                                         }
632                                 }
633                         else
634                                 if (modulus == i)
635                                 {
636                                 EVP_PKEY *pkey;
637
638                                 pkey=X509_get_pubkey(x);
639                                 if (pkey == NULL)
640                                         {
641                                         BIO_printf(bio_err,"Modulus=unavailable\n");
642                                         ERR_print_errors(bio_err);
643                                         goto end;
644                                         }
645                                 BIO_printf(STDout,"Modulus=");
646 #ifndef NO_RSA
647                                 if (pkey->type == EVP_PKEY_RSA)
648                                         BN_print(STDout,pkey->pkey.rsa->n);
649                                 else
650 #endif
651 #ifndef NO_DSA
652                                 if (pkey->type == EVP_PKEY_DSA)
653                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
654                                 else
655 #endif
656                                         BIO_printf(STDout,"Wrong Algorithm type");
657                                 BIO_printf(STDout,"\n");
658                                 EVP_PKEY_free(pkey);
659                                 }
660                         else
661                                 if (pubkey == i)
662                                 {
663                                 EVP_PKEY *pkey;
664
665                                 pkey=X509_get_pubkey(x);
666                                 if (pkey == NULL)
667                                         {
668                                         BIO_printf(bio_err,"Error getting public key\n");
669                                         ERR_print_errors(bio_err);
670                                         goto end;
671                                         }
672                                 PEM_write_bio_PUBKEY(STDout, pkey);
673                                 EVP_PKEY_free(pkey);
674                                 }
675                         else
676                                 if (C == i)
677                                 {
678                                 unsigned char *d;
679                                 char *m;
680                                 int y,z;
681
682                                 X509_NAME_oneline(X509_get_subject_name(x),
683                                         buf,256);
684                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
685                                 m=X509_NAME_oneline(
686                                         X509_get_issuer_name(x),buf,256);
687                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
688
689                                 z=i2d_X509(x,NULL);
690                                 m=Malloc(z);
691
692                                 d=(unsigned char *)m;
693                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
694                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
695                                 d=(unsigned char *)m;
696                                 for (y=0; y<z; y++)
697                                         {
698                                         BIO_printf(STDout,"0x%02X,",d[y]);
699                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
700                                         }
701                                 if (y%16 != 0) BIO_printf(STDout,"\n");
702                                 BIO_printf(STDout,"};\n");
703
704                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
705                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
706                                 d=(unsigned char *)m;
707                                 for (y=0; y<z; y++)
708                                         {
709                                         BIO_printf(STDout,"0x%02X,",d[y]);
710                                         if ((y & 0x0f) == 0x0f)
711                                                 BIO_printf(STDout,"\n");
712                                         }
713                                 if (y%16 != 0) BIO_printf(STDout,"\n");
714                                 BIO_printf(STDout,"};\n");
715
716                                 z=i2d_X509(x,&d);
717                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
718                                 d=(unsigned char *)m;
719                                 for (y=0; y<z; y++)
720                                         {
721                                         BIO_printf(STDout,"0x%02X,",d[y]);
722                                         if ((y & 0x0f) == 0x0f)
723                                                 BIO_printf(STDout,"\n");
724                                         }
725                                 if (y%16 != 0) BIO_printf(STDout,"\n");
726                                 BIO_printf(STDout,"};\n");
727
728                                 Free(m);
729                                 }
730                         else if (text == i)
731                                 {
732                                 X509_print(out,x);
733                                 }
734                         else if (startdate == i)
735                                 {
736                                 BIO_puts(STDout,"notBefore=");
737                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
738                                 BIO_puts(STDout,"\n");
739                                 }
740                         else if (enddate == i)
741                                 {
742                                 BIO_puts(STDout,"notAfter=");
743                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
744                                 BIO_puts(STDout,"\n");
745                                 }
746                         else if (fingerprint == i)
747                                 {
748                                 int j;
749                                 unsigned int n;
750                                 unsigned char md[EVP_MAX_MD_SIZE];
751
752                                 if (!X509_digest(x,digest,md,&n))
753                                         {
754                                         BIO_printf(bio_err,"out of memory\n");
755                                         goto end;
756                                         }
757                                 BIO_printf(STDout,"%s Fingerprint=",
758                                                 OBJ_nid2sn(EVP_MD_type(digest)));
759                                 for (j=0; j<(int)n; j++)
760                                         {
761                                         BIO_printf(STDout,"%02X%c",md[j],
762                                                 (j+1 == (int)n)
763                                                 ?'\n':':');
764                                         }
765                                 }
766
767                         /* should be in the library */
768                         else if ((sign_flag == i) && (x509req == 0))
769                                 {
770                                 BIO_printf(bio_err,"Getting Private key\n");
771                                 if (Upkey == NULL)
772                                         {
773                                         Upkey=load_key(keyfile,keyformat, passin);
774                                         if (Upkey == NULL) goto end;
775                                         }
776 #ifndef NO_DSA
777                                 if (Upkey->type == EVP_PKEY_DSA)
778                                         digest=EVP_dss1();
779 #endif
780
781                                 assert(need_rand);
782                                 if (!sign(x,Upkey,days,clrext,digest,
783                                                  extconf, extsect)) goto end;
784                                 }
785                         else if (CA_flag == i)
786                                 {
787                                 BIO_printf(bio_err,"Getting CA Private Key\n");
788                                 if (CAkeyfile != NULL)
789                                         {
790                                         CApkey=load_key(CAkeyfile,CAkeyformat, passin);
791                                         if (CApkey == NULL) goto end;
792                                         }
793 #ifndef NO_DSA
794                                 if (CApkey->type == EVP_PKEY_DSA)
795                                         digest=EVP_dss1();
796 #endif
797                                 
798                                 assert(need_rand);
799                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
800                                         CApkey, CAserial,CA_createserial,days, clrext,
801                                         extconf, extsect))
802                                         goto end;
803                                 }
804                         else if (x509req == i)
805                                 {
806                                 EVP_PKEY *pk;
807
808                                 BIO_printf(bio_err,"Getting request Private Key\n");
809                                 if (keyfile == NULL)
810                                         {
811                                         BIO_printf(bio_err,"no request key file specified\n");
812                                         goto end;
813                                         }
814                                 else
815                                         {
816                                         pk=load_key(keyfile,FORMAT_PEM, passin);
817                                         if (pk == NULL) goto end;
818                                         }
819
820                                 BIO_printf(bio_err,"Generating certificate request\n");
821
822                                 if (pk->type == EVP_PKEY_DSA)
823                                         digest=EVP_dss1();
824
825                                 rq=X509_to_X509_REQ(x,pk,digest);
826                                 EVP_PKEY_free(pk);
827                                 if (rq == NULL)
828                                         {
829                                         ERR_print_errors(bio_err);
830                                         goto end;
831                                         }
832                                 if (!noout)
833                                         {
834                                         X509_REQ_print(out,rq);
835                                         PEM_write_bio_X509_REQ(out,rq);
836                                         }
837                                 noout=1;
838                                 }
839                         }
840                 }
841
842         if (noout)
843                 {
844                 ret=0;
845                 goto end;
846                 }
847
848         if      (outformat == FORMAT_ASN1)
849                 i=i2d_X509_bio(out,x);
850         else if (outformat == FORMAT_PEM) {
851                 if(trustout) i=PEM_write_bio_X509_AUX(out,x);
852                 else i=PEM_write_bio_X509(out,x);
853         } else if (outformat == FORMAT_NETSCAPE)
854                 {
855                 ASN1_HEADER ah;
856                 ASN1_OCTET_STRING os;
857
858                 os.data=(unsigned char *)CERT_HDR;
859                 os.length=strlen(CERT_HDR);
860                 ah.header= &os;
861                 ah.data=(char *)x;
862                 ah.meth=X509_asn1_meth();
863
864                 /* no macro for this one yet */
865                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
866                 }
867         else    {
868                 BIO_printf(bio_err,"bad output format specified for outfile\n");
869                 goto end;
870                 }
871         if (!i) {
872                 BIO_printf(bio_err,"unable to write certificate\n");
873                 ERR_print_errors(bio_err);
874                 goto end;
875                 }
876         ret=0;
877 end:
878         if (need_rand)
879                 app_RAND_write_file(NULL, bio_err);
880         OBJ_cleanup();
881         CONF_free(extconf);
882         BIO_free(out);
883         BIO_free(STDout);
884         X509_STORE_free(ctx);
885         X509_REQ_free(req);
886         X509_free(x);
887         X509_free(xca);
888         EVP_PKEY_free(Upkey);
889         EVP_PKEY_free(CApkey);
890         X509_REQ_free(rq);
891         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
892         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
893         if(passin) Free(passin);
894         EXIT(ret);
895         }
896
897 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
898              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
899              int days, int clrext, LHASH *conf, char *section)
900         {
901         int ret=0;
902         BIO *io=NULL;
903         MS_STATIC char buf2[1024];
904         char *buf=NULL,*p;
905         BIGNUM *serial=NULL;
906         ASN1_INTEGER *bs=NULL,bs2;
907         X509_STORE_CTX xsc;
908         EVP_PKEY *upkey;
909
910         upkey = X509_get_pubkey(xca);
911         EVP_PKEY_copy_parameters(upkey,pkey);
912         EVP_PKEY_free(upkey);
913
914         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
915         buf=Malloc(EVP_PKEY_size(pkey)*2+
916                 ((serialfile == NULL)
917                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
918                         :(strlen(serialfile)))+1);
919         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
920         if (serialfile == NULL)
921                 {
922                 strcpy(buf,CAfile);
923                 for (p=buf; *p; p++)
924                         if (*p == '.')
925                                 {
926                                 *p='\0';
927                                 break;
928                                 }
929                 strcat(buf,POSTFIX);
930                 }
931         else
932                 strcpy(buf,serialfile);
933         serial=BN_new();
934         bs=ASN1_INTEGER_new();
935         if ((serial == NULL) || (bs == NULL))
936                 {
937                 ERR_print_errors(bio_err);
938                 goto end;
939                 }
940
941         io=BIO_new(BIO_s_file());
942         if (io == NULL)
943                 {
944                 ERR_print_errors(bio_err);
945                 goto end;
946                 }
947         
948         if (BIO_read_filename(io,buf) <= 0)
949                 {
950                 if (!create)
951                         {
952                         perror(buf);
953                         goto end;
954                         }
955                 else
956                         {
957                         ASN1_INTEGER_set(bs,1);
958                         BN_one(serial);
959                         }
960                 }
961         else 
962                 {
963                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
964                         {
965                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
966                         ERR_print_errors(bio_err);
967                         goto end;
968                         }
969                 else
970                         {
971                         serial=BN_bin2bn(bs->data,bs->length,serial);
972                         if (serial == NULL)
973                                 {
974                                 BIO_printf(bio_err,"error converting bin 2 bn");
975                                 goto end;
976                                 }
977                         }
978                 }
979
980         if (!BN_add_word(serial,1))
981                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
982         bs2.data=(unsigned char *)buf2;
983         bs2.length=BN_bn2bin(serial,bs2.data);
984
985         if (BIO_write_filename(io,buf) <= 0)
986                 {
987                 BIO_printf(bio_err,"error attempting to write serial number file\n");
988                 perror(buf);
989                 goto end;
990                 }
991         i2a_ASN1_INTEGER(io,&bs2);
992         BIO_puts(io,"\n");
993         BIO_free(io);
994         io=NULL;
995         
996         if (!X509_STORE_add_cert(ctx,x)) goto end;
997
998         /* NOTE: this certificate can/should be self signed, unless it was
999          * a certificate request in which case it is not. */
1000         X509_STORE_CTX_set_cert(&xsc,x);
1001         if (!reqfile && !X509_verify_cert(&xsc))
1002                 goto end;
1003
1004         if (!X509_check_private_key(xca,pkey))
1005                 {
1006                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1007                 goto end;
1008                 }
1009
1010         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1011         if (!X509_set_serialNumber(x,bs)) goto end;
1012
1013         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1014                 goto end;
1015
1016         /* hardwired expired */
1017         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1018                 goto end;
1019
1020         if(clrext) {
1021                 while(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1022         }
1023
1024         if(conf) {
1025                 X509V3_CTX ctx2;
1026                 X509_set_version(x,2); /* version 3 certificate */
1027                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1028                 X509V3_set_conf_lhash(&ctx2, conf);
1029                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1030         }
1031
1032         if (!X509_sign(x,pkey,digest)) goto end;
1033         ret=1;
1034 end:
1035         X509_STORE_CTX_cleanup(&xsc);
1036         if (!ret)
1037                 ERR_print_errors(bio_err);
1038         if (buf != NULL) Free(buf);
1039         if (bs != NULL) ASN1_INTEGER_free(bs);
1040         if (io != NULL) BIO_free(io);
1041         if (serial != NULL) BN_free(serial);
1042         return(ret);
1043         }
1044
1045 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1046         {
1047         char buf[256];
1048         int err;
1049         X509 *err_cert;
1050
1051         /* it is ok to use a self signed certificate
1052          * This case will catch both the initial ok == 0 and the
1053          * final ok == 1 calls to this function */
1054         err=X509_STORE_CTX_get_error(ctx);
1055         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1056                 return(1);
1057
1058         /* BAD we should have gotten an error.  Normally if everything
1059          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1060          * DEPTH_ZERO_SELF_.... */
1061         if (ok)
1062                 {
1063                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1064                 return(0);
1065                 }
1066         else
1067                 {
1068                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1069                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
1070                 BIO_printf(bio_err,"%s\n",buf);
1071                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1072                         err,X509_STORE_CTX_get_error_depth(ctx),
1073                         X509_verify_cert_error_string(err));
1074                 return(1);
1075                 }
1076         }
1077
1078 static EVP_PKEY *load_key(char *file, int format, char *passin)
1079         {
1080         BIO *key=NULL;
1081         EVP_PKEY *pkey=NULL;
1082
1083         if (file == NULL)
1084                 {
1085                 BIO_printf(bio_err,"no keyfile specified\n");
1086                 goto end;
1087                 }
1088         key=BIO_new(BIO_s_file());
1089         if (key == NULL)
1090                 {
1091                 ERR_print_errors(bio_err);
1092                 goto end;
1093                 }
1094         if (BIO_read_filename(key,file) <= 0)
1095                 {
1096                 perror(file);
1097                 goto end;
1098                 }
1099         if (format == FORMAT_ASN1)
1100                 {
1101                 pkey=d2i_PrivateKey_bio(key, NULL);
1102                 }
1103         else if (format == FORMAT_PEM)
1104                 {
1105                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,passin);
1106                 }
1107         else
1108                 {
1109                 BIO_printf(bio_err,"bad input format specified for key\n");
1110                 goto end;
1111                 }
1112 end:
1113         if (key != NULL) BIO_free(key);
1114         if (pkey == NULL)
1115                 BIO_printf(bio_err,"unable to load Private Key\n");
1116         return(pkey);
1117         }
1118
1119 static X509 *load_cert(char *file, int format)
1120         {
1121         ASN1_HEADER *ah=NULL;
1122         BUF_MEM *buf=NULL;
1123         X509 *x=NULL;
1124         BIO *cert;
1125
1126         if ((cert=BIO_new(BIO_s_file())) == NULL)
1127                 {
1128                 ERR_print_errors(bio_err);
1129                 goto end;
1130                 }
1131
1132         if (file == NULL)
1133                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
1134         else
1135                 {
1136                 if (BIO_read_filename(cert,file) <= 0)
1137                         {
1138                         perror(file);
1139                         goto end;
1140                         }
1141                 }
1142         if      (format == FORMAT_ASN1)
1143                 x=d2i_X509_bio(cert,NULL);
1144         else if (format == FORMAT_NETSCAPE)
1145                 {
1146                 unsigned char *p,*op;
1147                 int size=0,i;
1148
1149                 /* We sort of have to do it this way because it is sort of nice
1150                  * to read the header first and check it, then
1151                  * try to read the certificate */
1152                 buf=BUF_MEM_new();
1153                 for (;;)
1154                         {
1155                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
1156                                 goto end;
1157                         i=BIO_read(cert,&(buf->data[size]),1024*10);
1158                         size+=i;
1159                         if (i == 0) break;
1160                         if (i < 0)
1161                                 {
1162                                 perror("reading certificate");
1163                                 goto end;
1164                                 }
1165                         }
1166                 p=(unsigned char *)buf->data;
1167                 op=p;
1168
1169                 /* First load the header */
1170                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
1171                         goto end;
1172                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1173                         (strncmp(CERT_HDR,(char *)ah->header->data,
1174                         ah->header->length) != 0))
1175                         {
1176                         BIO_printf(bio_err,"Error reading header on certificate\n");
1177                         goto end;
1178                         }
1179                 /* header is ok, so now read the object */
1180                 p=op;
1181                 ah->meth=X509_asn1_meth();
1182                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1183                         goto end;
1184                 x=(X509 *)ah->data;
1185                 ah->data=NULL;
1186                 }
1187         else if (format == FORMAT_PEM)
1188                 x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
1189         else    {
1190                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1191                 goto end;
1192                 }
1193 end:
1194         if (x == NULL)
1195                 {
1196                 BIO_printf(bio_err,"unable to load certificate\n");
1197                 ERR_print_errors(bio_err);
1198                 }
1199         if (ah != NULL) ASN1_HEADER_free(ah);
1200         if (cert != NULL) BIO_free(cert);
1201         if (buf != NULL) BUF_MEM_free(buf);
1202         return(x);
1203         }
1204
1205 /* self sign */
1206 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1207                                                 LHASH *conf, char *section)
1208         {
1209
1210         EVP_PKEY *pktmp;
1211
1212         pktmp = X509_get_pubkey(x);
1213         EVP_PKEY_copy_parameters(pktmp,pkey);
1214         EVP_PKEY_save_parameters(pktmp,1);
1215         EVP_PKEY_free(pktmp);
1216
1217         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1218         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1219
1220         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1221         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1222         /* 28 days to be certified */
1223
1224         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1225                 goto err;
1226
1227         if (!X509_set_pubkey(x,pkey)) goto err;
1228         if(clrext) {
1229                 while(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1230         }
1231         if(conf) {
1232                 X509V3_CTX ctx;
1233                 X509_set_version(x,2); /* version 3 certificate */
1234                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1235                 X509V3_set_conf_lhash(&ctx, conf);
1236                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1237         }
1238         if (!X509_sign(x,pkey,digest)) goto err;
1239         return(1);
1240 err:
1241         ERR_print_errors(bio_err);
1242         return(0);
1243         }
1244
1245 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1246 {
1247         int id, i, idret;
1248         char *pname;
1249         id = X509_PURPOSE_get_id(pt);
1250         pname = X509_PURPOSE_get0_name(pt);
1251         for(i = 0; i < 2; i++) {
1252                 idret = X509_check_purpose(cert, id, i);
1253                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1254                 if(idret == 1) BIO_printf(bio, "Yes\n");
1255                 else if (idret == 0) BIO_printf(bio, "No\n");
1256                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1257         }
1258         return 1;
1259 }
1260
1261
1262