Remove structures that are no longer used.
[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 " -crlext         - 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,"-crlext") == 0)
369                         clrext = 1;
370                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
371                         {
372                         /* ok */
373                         digest=md_alg;
374                         }
375                 else
376                         {
377                         BIO_printf(bio_err,"unknown option %s\n",*argv);
378                         badops=1;
379                         break;
380                         }
381                 argc--;
382                 argv++;
383                 }
384
385         if (badops)
386                 {
387 bad:
388                 for (pp=x509_usage; (*pp != NULL); pp++)
389                         BIO_printf(bio_err,*pp);
390                 goto end;
391                 }
392
393         if (need_rand)
394                 app_RAND_load_file(NULL, bio_err, 0);
395
396         ERR_load_crypto_strings();
397
398         if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
399                 BIO_printf(bio_err, "Error getting password\n");
400                 goto end;
401         }
402
403         if (!X509_STORE_set_default_paths(ctx))
404                 {
405                 ERR_print_errors(bio_err);
406                 goto end;
407                 }
408
409         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
410                 { CAkeyfile=CAfile; }
411         else if ((CA_flag) && (CAkeyfile == NULL))
412                 {
413                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
414                 goto end;
415                 }
416
417         if (extfile) {
418                 long errorline;
419                 X509V3_CTX ctx2;
420                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
421                         if (errorline <= 0)
422                                 BIO_printf(bio_err,
423                                         "error loading the config file '%s'\n",
424                                                                 extfile);
425                         else
426                                 BIO_printf(bio_err,
427                                        "error on line %ld of config file '%s'\n"
428                                                         ,errorline,extfile);
429                         goto end;
430                 }
431                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
432                                          "extensions"))) extsect = "default";
433                 X509V3_set_ctx_test(&ctx2);
434                 X509V3_set_conf_lhash(&ctx2, extconf);
435                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
436                         BIO_printf(bio_err,
437                                 "Error Loading extension section %s\n",
438                                                                  extsect);
439                         ERR_print_errors(bio_err);
440                         goto end;
441                 }
442         } 
443
444
445         if (reqfile)
446                 {
447                 EVP_PKEY *pkey;
448                 X509_CINF *ci;
449                 BIO *in;
450
451                 if (!sign_flag && !CA_flag)
452                         {
453                         BIO_printf(bio_err,"We need a private key to sign with\n");
454                         goto end;
455                         }
456                 in=BIO_new(BIO_s_file());
457                 if (in == NULL)
458                         {
459                         ERR_print_errors(bio_err);
460                         goto end;
461                         }
462
463                 if (infile == NULL)
464                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
465                 else
466                         {
467                         if (BIO_read_filename(in,infile) <= 0)
468                                 {
469                                 perror(infile);
470                                 goto end;
471                                 }
472                         }
473                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
474                 BIO_free(in);
475
476                 if (req == NULL) { perror(infile); goto end; }
477
478                 if (    (req->req_info == NULL) ||
479                         (req->req_info->pubkey == NULL) ||
480                         (req->req_info->pubkey->public_key == NULL) ||
481                         (req->req_info->pubkey->public_key->data == NULL))
482                         {
483                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
484                         BIO_printf(bio_err,"It does not contain a public key\n");
485                         goto end;
486                         }
487                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
488                         {
489                         BIO_printf(bio_err,"error unpacking public key\n");
490                         goto end;
491                         }
492                 i=X509_REQ_verify(req,pkey);
493                 EVP_PKEY_free(pkey);
494                 if (i < 0)
495                         {
496                         BIO_printf(bio_err,"Signature verification error\n");
497                         ERR_print_errors(bio_err);
498                         goto end;
499                         }
500                 if (i == 0)
501                         {
502                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
503                         goto end;
504                         }
505                 else
506                         BIO_printf(bio_err,"Signature ok\n");
507                 
508                 X509_NAME_oneline(req->req_info->subject,buf,256);
509                 BIO_printf(bio_err,"subject=%s\n",buf);
510
511                 if ((x=X509_new()) == NULL) goto end;
512                 ci=x->cert_info;
513
514                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
515                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
516                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
517
518                 X509_gmtime_adj(X509_get_notBefore(x),0);
519                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
520
521                 pkey = X509_REQ_get_pubkey(req);
522                 X509_set_pubkey(x,pkey);
523                 EVP_PKEY_free(pkey);
524                 }
525         else
526                 x=load_cert(infile,informat);
527
528         if (x == NULL) goto end;
529         if (CA_flag)
530                 {
531                 xca=load_cert(CAfile,CAformat);
532                 if (xca == NULL) goto end;
533                 }
534
535         if (!noout || text)
536                 {
537                 OBJ_create("2.99999.3",
538                         "SET.ex3","SET x509v3 extension 3");
539
540                 out=BIO_new(BIO_s_file());
541                 if (out == NULL)
542                         {
543                         ERR_print_errors(bio_err);
544                         goto end;
545                         }
546                 if (outfile == NULL)
547                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
548                 else
549                         {
550                         if (BIO_write_filename(out,outfile) <= 0)
551                                 {
552                                 perror(outfile);
553                                 goto end;
554                                 }
555                         }
556                 }
557
558         if(alias) X509_alias_rset(x, (unsigned char *)alias, -1);
559
560         if(clrtrust) X509_trust_clear(x);
561         if(clrreject) X509_reject_clear(x);
562
563         if(trust) {
564                 for(i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
565                         objtmp = sk_ASN1_OBJECT_value(trust, i);
566                         X509_radd_trust_object(x, objtmp);
567                 }
568         }
569
570         if(reject) {
571                 for(i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
572                         objtmp = sk_ASN1_OBJECT_value(reject, i);
573                         X509_radd_reject_object(x, objtmp);
574                 }
575         }
576
577         if (num)
578                 {
579                 for (i=1; i<=num; i++)
580                         {
581                         if (issuer == i)
582                                 {
583                                 X509_NAME_oneline(X509_get_issuer_name(x),
584                                         buf,256);
585                                 BIO_printf(STDout,"issuer= %s\n",buf);
586                                 }
587                         else if (subject == i) 
588                                 {
589                                 X509_NAME_oneline(X509_get_subject_name(x),
590                                         buf,256);
591                                 BIO_printf(STDout,"subject=%s\n",buf);
592                                 }
593                         else if (serial == i)
594                                 {
595                                 BIO_printf(STDout,"serial=");
596                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
597                                 BIO_printf(STDout,"\n");
598                                 }
599                         else if (aliasout == i)
600                                 {
601                                 unsigned char *alstr;
602                                 alstr = X509_alias_iget(x, NULL);
603                                 if(alstr) BIO_printf(STDout,"%s\n", alstr);
604                                 else BIO_puts(STDout,"<No Alias>\n");
605                                 }
606                         else if (hash == i)
607                                 {
608                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
609                                 }
610                         else if (pprint == i)
611                                 {
612                                 X509_PURPOSE *ptmp;
613                                 int j;
614                                 BIO_printf(STDout, "Certificate purposes:\n");
615                                 for(j = 0; j < X509_PURPOSE_get_count(); j++)
616                                         {
617                                         ptmp = X509_PURPOSE_iget(j);
618                                         purpose_print(STDout, x, ptmp);
619                                         }
620                                 }
621                         else
622                                 if (modulus == i)
623                                 {
624                                 EVP_PKEY *pkey;
625
626                                 pkey=X509_get_pubkey(x);
627                                 if (pkey == NULL)
628                                         {
629                                         BIO_printf(bio_err,"Modulus=unavailable\n");
630                                         ERR_print_errors(bio_err);
631                                         goto end;
632                                         }
633                                 BIO_printf(STDout,"Modulus=");
634 #ifndef NO_RSA
635                                 if (pkey->type == EVP_PKEY_RSA)
636                                         BN_print(STDout,pkey->pkey.rsa->n);
637                                 else
638 #endif
639 #ifndef NO_DSA
640                                 if (pkey->type == EVP_PKEY_DSA)
641                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
642                                 else
643 #endif
644                                         BIO_printf(STDout,"Wrong Algorithm type");
645                                 BIO_printf(STDout,"\n");
646                                 EVP_PKEY_free(pkey);
647                                 }
648                         else
649                                 if (pubkey == i)
650                                 {
651                                 EVP_PKEY *pkey;
652
653                                 pkey=X509_get_pubkey(x);
654                                 if (pkey == NULL)
655                                         {
656                                         BIO_printf(bio_err,"Error getting public key\n");
657                                         ERR_print_errors(bio_err);
658                                         goto end;
659                                         }
660                                 PEM_write_bio_PUBKEY(STDout, pkey);
661                                 EVP_PKEY_free(pkey);
662                                 }
663                         else
664                                 if (C == i)
665                                 {
666                                 unsigned char *d;
667                                 char *m;
668                                 int y,z;
669
670                                 X509_NAME_oneline(X509_get_subject_name(x),
671                                         buf,256);
672                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
673                                 m=X509_NAME_oneline(
674                                         X509_get_issuer_name(x),buf,256);
675                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
676
677                                 z=i2d_X509(x,NULL);
678                                 m=Malloc(z);
679
680                                 d=(unsigned char *)m;
681                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
682                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
683                                 d=(unsigned char *)m;
684                                 for (y=0; y<z; y++)
685                                         {
686                                         BIO_printf(STDout,"0x%02X,",d[y]);
687                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
688                                         }
689                                 if (y%16 != 0) BIO_printf(STDout,"\n");
690                                 BIO_printf(STDout,"};\n");
691
692                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
693                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
694                                 d=(unsigned char *)m;
695                                 for (y=0; y<z; y++)
696                                         {
697                                         BIO_printf(STDout,"0x%02X,",d[y]);
698                                         if ((y & 0x0f) == 0x0f)
699                                                 BIO_printf(STDout,"\n");
700                                         }
701                                 if (y%16 != 0) BIO_printf(STDout,"\n");
702                                 BIO_printf(STDout,"};\n");
703
704                                 z=i2d_X509(x,&d);
705                                 BIO_printf(STDout,"unsigned char XXX_certificate[%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                                 Free(m);
717                                 }
718                         else if (text == i)
719                                 {
720                                 X509_print(out,x);
721                                 }
722                         else if (startdate == i)
723                                 {
724                                 BIO_puts(STDout,"notBefore=");
725                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
726                                 BIO_puts(STDout,"\n");
727                                 }
728                         else if (enddate == i)
729                                 {
730                                 BIO_puts(STDout,"notAfter=");
731                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
732                                 BIO_puts(STDout,"\n");
733                                 }
734                         else if (fingerprint == i)
735                                 {
736                                 int j;
737                                 unsigned int n;
738                                 unsigned char md[EVP_MAX_MD_SIZE];
739
740                                 if (!X509_digest(x,digest,md,&n))
741                                         {
742                                         BIO_printf(bio_err,"out of memory\n");
743                                         goto end;
744                                         }
745                                 BIO_printf(STDout,"%s Fingerprint=",
746                                                 OBJ_nid2sn(EVP_MD_type(digest)));
747                                 for (j=0; j<(int)n; j++)
748                                         {
749                                         BIO_printf(STDout,"%02X%c",md[j],
750                                                 (j+1 == (int)n)
751                                                 ?'\n':':');
752                                         }
753                                 }
754
755                         /* should be in the library */
756                         else if ((sign_flag == i) && (x509req == 0))
757                                 {
758                                 BIO_printf(bio_err,"Getting Private key\n");
759                                 if (Upkey == NULL)
760                                         {
761                                         Upkey=load_key(keyfile,keyformat, passin);
762                                         if (Upkey == NULL) goto end;
763                                         }
764 #ifndef NO_DSA
765                                 if (Upkey->type == EVP_PKEY_DSA)
766                                         digest=EVP_dss1();
767 #endif
768
769                                 assert(need_rand);
770                                 if (!sign(x,Upkey,days,clrext,digest,
771                                                  extconf, extsect)) goto end;
772                                 }
773                         else if (CA_flag == i)
774                                 {
775                                 BIO_printf(bio_err,"Getting CA Private Key\n");
776                                 if (CAkeyfile != NULL)
777                                         {
778                                         CApkey=load_key(CAkeyfile,CAkeyformat, passin);
779                                         if (CApkey == NULL) goto end;
780                                         }
781 #ifndef NO_DSA
782                                 if (CApkey->type == EVP_PKEY_DSA)
783                                         digest=EVP_dss1();
784 #endif
785                                 
786                                 assert(need_rand);
787                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
788                                         CApkey, CAserial,CA_createserial,days, clrext,
789                                         extconf, extsect))
790                                         goto end;
791                                 }
792                         else if (x509req == i)
793                                 {
794                                 EVP_PKEY *pk;
795
796                                 BIO_printf(bio_err,"Getting request Private Key\n");
797                                 if (keyfile == NULL)
798                                         {
799                                         BIO_printf(bio_err,"no request key file specified\n");
800                                         goto end;
801                                         }
802                                 else
803                                         {
804                                         pk=load_key(keyfile,FORMAT_PEM, passin);
805                                         if (pk == NULL) goto end;
806                                         }
807
808                                 BIO_printf(bio_err,"Generating certificate request\n");
809
810                                 if (pk->type == EVP_PKEY_DSA)
811                                         digest=EVP_dss1();
812
813                                 rq=X509_to_X509_REQ(x,pk,digest);
814                                 EVP_PKEY_free(pk);
815                                 if (rq == NULL)
816                                         {
817                                         ERR_print_errors(bio_err);
818                                         goto end;
819                                         }
820                                 if (!noout)
821                                         {
822                                         X509_REQ_print(out,rq);
823                                         PEM_write_bio_X509_REQ(out,rq);
824                                         }
825                                 noout=1;
826                                 }
827                         }
828                 }
829
830         if (noout)
831                 {
832                 ret=0;
833                 goto end;
834                 }
835
836         if      (outformat == FORMAT_ASN1)
837                 i=i2d_X509_bio(out,x);
838         else if (outformat == FORMAT_PEM) {
839                 if(trustout) i=PEM_write_bio_X509_AUX(out,x);
840                 else i=PEM_write_bio_X509(out,x);
841         } else if (outformat == FORMAT_NETSCAPE)
842                 {
843                 ASN1_HEADER ah;
844                 ASN1_OCTET_STRING os;
845
846                 os.data=(unsigned char *)CERT_HDR;
847                 os.length=strlen(CERT_HDR);
848                 ah.header= &os;
849                 ah.data=(char *)x;
850                 ah.meth=X509_asn1_meth();
851
852                 /* no macro for this one yet */
853                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
854                 }
855         else    {
856                 BIO_printf(bio_err,"bad output format specified for outfile\n");
857                 goto end;
858                 }
859         if (!i) {
860                 BIO_printf(bio_err,"unable to write certificate\n");
861                 ERR_print_errors(bio_err);
862                 goto end;
863                 }
864         ret=0;
865 end:
866         if (need_rand)
867                 app_RAND_write_file(NULL, bio_err);
868         OBJ_cleanup();
869         CONF_free(extconf);
870         BIO_free(out);
871         BIO_free(STDout);
872         X509_STORE_free(ctx);
873         X509_REQ_free(req);
874         X509_free(x);
875         X509_free(xca);
876         EVP_PKEY_free(Upkey);
877         EVP_PKEY_free(CApkey);
878         X509_REQ_free(rq);
879         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
880         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
881         if(passin) Free(passin);
882         EXIT(ret);
883         }
884
885 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
886              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
887              int days, int clrext, LHASH *conf, char *section)
888         {
889         int ret=0;
890         BIO *io=NULL;
891         MS_STATIC char buf2[1024];
892         char *buf=NULL,*p;
893         BIGNUM *serial=NULL;
894         ASN1_INTEGER *bs=NULL,bs2;
895         X509_STORE_CTX xsc;
896         EVP_PKEY *upkey;
897
898         upkey = X509_get_pubkey(xca);
899         EVP_PKEY_copy_parameters(upkey,pkey);
900         EVP_PKEY_free(upkey);
901
902         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
903         buf=Malloc(EVP_PKEY_size(pkey)*2+
904                 ((serialfile == NULL)
905                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
906                         :(strlen(serialfile)))+1);
907         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
908         if (serialfile == NULL)
909                 {
910                 strcpy(buf,CAfile);
911                 for (p=buf; *p; p++)
912                         if (*p == '.')
913                                 {
914                                 *p='\0';
915                                 break;
916                                 }
917                 strcat(buf,POSTFIX);
918                 }
919         else
920                 strcpy(buf,serialfile);
921         serial=BN_new();
922         bs=ASN1_INTEGER_new();
923         if ((serial == NULL) || (bs == NULL))
924                 {
925                 ERR_print_errors(bio_err);
926                 goto end;
927                 }
928
929         io=BIO_new(BIO_s_file());
930         if (io == NULL)
931                 {
932                 ERR_print_errors(bio_err);
933                 goto end;
934                 }
935         
936         if (BIO_read_filename(io,buf) <= 0)
937                 {
938                 if (!create)
939                         {
940                         perror(buf);
941                         goto end;
942                         }
943                 else
944                         {
945                         ASN1_INTEGER_set(bs,1);
946                         BN_one(serial);
947                         }
948                 }
949         else 
950                 {
951                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
952                         {
953                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
954                         ERR_print_errors(bio_err);
955                         goto end;
956                         }
957                 else
958                         {
959                         serial=BN_bin2bn(bs->data,bs->length,serial);
960                         if (serial == NULL)
961                                 {
962                                 BIO_printf(bio_err,"error converting bin 2 bn");
963                                 goto end;
964                                 }
965                         }
966                 }
967
968         if (!BN_add_word(serial,1))
969                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
970         bs2.data=(unsigned char *)buf2;
971         bs2.length=BN_bn2bin(serial,bs2.data);
972
973         if (BIO_write_filename(io,buf) <= 0)
974                 {
975                 BIO_printf(bio_err,"error attempting to write serial number file\n");
976                 perror(buf);
977                 goto end;
978                 }
979         i2a_ASN1_INTEGER(io,&bs2);
980         BIO_puts(io,"\n");
981         BIO_free(io);
982         io=NULL;
983         
984         if (!X509_STORE_add_cert(ctx,x)) goto end;
985
986         /* NOTE: this certificate can/should be self signed, unless it was
987          * a certificate request in which case it is not. */
988         X509_STORE_CTX_set_cert(&xsc,x);
989         if (!reqfile && !X509_verify_cert(&xsc))
990                 goto end;
991
992         if (!X509_check_private_key(xca,pkey))
993                 {
994                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
995                 goto end;
996                 }
997
998         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
999         if (!X509_set_serialNumber(x,bs)) goto end;
1000
1001         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1002                 goto end;
1003
1004         /* hardwired expired */
1005         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1006                 goto end;
1007
1008         if(clrext) {
1009                 while(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1010         }
1011
1012         if(conf) {
1013                 X509V3_CTX ctx2;
1014                 X509_set_version(x,2); /* version 3 certificate */
1015                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1016                 X509V3_set_conf_lhash(&ctx2, conf);
1017                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1018         }
1019
1020         if (!X509_sign(x,pkey,digest)) goto end;
1021         ret=1;
1022 end:
1023         X509_STORE_CTX_cleanup(&xsc);
1024         if (!ret)
1025                 ERR_print_errors(bio_err);
1026         if (buf != NULL) Free(buf);
1027         if (bs != NULL) ASN1_INTEGER_free(bs);
1028         if (io != NULL) BIO_free(io);
1029         if (serial != NULL) BN_free(serial);
1030         return(ret);
1031         }
1032
1033 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1034         {
1035         char buf[256];
1036         int err;
1037         X509 *err_cert;
1038
1039         /* it is ok to use a self signed certificate
1040          * This case will catch both the initial ok == 0 and the
1041          * final ok == 1 calls to this function */
1042         err=X509_STORE_CTX_get_error(ctx);
1043         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1044                 return(1);
1045
1046         /* BAD we should have gotten an error.  Normally if everything
1047          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1048          * DEPTH_ZERO_SELF_.... */
1049         if (ok)
1050                 {
1051                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1052                 return(0);
1053                 }
1054         else
1055                 {
1056                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1057                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
1058                 BIO_printf(bio_err,"%s\n",buf);
1059                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1060                         err,X509_STORE_CTX_get_error_depth(ctx),
1061                         X509_verify_cert_error_string(err));
1062                 return(1);
1063                 }
1064         }
1065
1066 static EVP_PKEY *load_key(char *file, int format, char *passin)
1067         {
1068         BIO *key=NULL;
1069         EVP_PKEY *pkey=NULL;
1070
1071         if (file == NULL)
1072                 {
1073                 BIO_printf(bio_err,"no keyfile specified\n");
1074                 goto end;
1075                 }
1076         key=BIO_new(BIO_s_file());
1077         if (key == NULL)
1078                 {
1079                 ERR_print_errors(bio_err);
1080                 goto end;
1081                 }
1082         if (BIO_read_filename(key,file) <= 0)
1083                 {
1084                 perror(file);
1085                 goto end;
1086                 }
1087         if (format == FORMAT_ASN1)
1088                 {
1089                 pkey=d2i_PrivateKey_bio(key, NULL);
1090                 }
1091         else if (format == FORMAT_PEM)
1092                 {
1093                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,passin);
1094                 }
1095         else
1096                 {
1097                 BIO_printf(bio_err,"bad input format specified for key\n");
1098                 goto end;
1099                 }
1100 end:
1101         if (key != NULL) BIO_free(key);
1102         if (pkey == NULL)
1103                 BIO_printf(bio_err,"unable to load Private Key\n");
1104         return(pkey);
1105         }
1106
1107 static X509 *load_cert(char *file, int format)
1108         {
1109         ASN1_HEADER *ah=NULL;
1110         BUF_MEM *buf=NULL;
1111         X509 *x=NULL;
1112         BIO *cert;
1113
1114         if ((cert=BIO_new(BIO_s_file())) == NULL)
1115                 {
1116                 ERR_print_errors(bio_err);
1117                 goto end;
1118                 }
1119
1120         if (file == NULL)
1121                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
1122         else
1123                 {
1124                 if (BIO_read_filename(cert,file) <= 0)
1125                         {
1126                         perror(file);
1127                         goto end;
1128                         }
1129                 }
1130         if      (format == FORMAT_ASN1)
1131                 x=d2i_X509_bio(cert,NULL);
1132         else if (format == FORMAT_NETSCAPE)
1133                 {
1134                 unsigned char *p,*op;
1135                 int size=0,i;
1136
1137                 /* We sort of have to do it this way because it is sort of nice
1138                  * to read the header first and check it, then
1139                  * try to read the certificate */
1140                 buf=BUF_MEM_new();
1141                 for (;;)
1142                         {
1143                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
1144                                 goto end;
1145                         i=BIO_read(cert,&(buf->data[size]),1024*10);
1146                         size+=i;
1147                         if (i == 0) break;
1148                         if (i < 0)
1149                                 {
1150                                 perror("reading certificate");
1151                                 goto end;
1152                                 }
1153                         }
1154                 p=(unsigned char *)buf->data;
1155                 op=p;
1156
1157                 /* First load the header */
1158                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
1159                         goto end;
1160                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1161                         (strncmp(CERT_HDR,(char *)ah->header->data,
1162                         ah->header->length) != 0))
1163                         {
1164                         BIO_printf(bio_err,"Error reading header on certificate\n");
1165                         goto end;
1166                         }
1167                 /* header is ok, so now read the object */
1168                 p=op;
1169                 ah->meth=X509_asn1_meth();
1170                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1171                         goto end;
1172                 x=(X509 *)ah->data;
1173                 ah->data=NULL;
1174                 }
1175         else if (format == FORMAT_PEM)
1176                 x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
1177         else    {
1178                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1179                 goto end;
1180                 }
1181 end:
1182         if (x == NULL)
1183                 {
1184                 BIO_printf(bio_err,"unable to load certificate\n");
1185                 ERR_print_errors(bio_err);
1186                 }
1187         if (ah != NULL) ASN1_HEADER_free(ah);
1188         if (cert != NULL) BIO_free(cert);
1189         if (buf != NULL) BUF_MEM_free(buf);
1190         return(x);
1191         }
1192
1193 /* self sign */
1194 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1195                                                 LHASH *conf, char *section)
1196         {
1197
1198         EVP_PKEY *pktmp;
1199
1200         pktmp = X509_get_pubkey(x);
1201         EVP_PKEY_copy_parameters(pktmp,pkey);
1202         EVP_PKEY_save_parameters(pktmp,1);
1203         EVP_PKEY_free(pktmp);
1204
1205         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1206         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1207
1208         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1209         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1210         /* 28 days to be certified */
1211
1212         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1213                 goto err;
1214
1215         if (!X509_set_pubkey(x,pkey)) goto err;
1216         if(clrext) {
1217                 while(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1218         }
1219         if(conf) {
1220                 X509V3_CTX ctx;
1221                 X509_set_version(x,2); /* version 3 certificate */
1222                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1223                 X509V3_set_conf_lhash(&ctx, conf);
1224                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1225         }
1226         if (!X509_sign(x,pkey,digest)) goto err;
1227         return(1);
1228 err:
1229         ERR_print_errors(bio_err);
1230         return(0);
1231         }
1232
1233 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1234 {
1235         int id, i, idret;
1236         char *pname;
1237         id = X509_PURPOSE_get_id(pt);
1238         pname = X509_PURPOSE_iget_name(pt);
1239         for(i = 0; i < 2; i++) {
1240                 idret = X509_check_purpose(cert, id, i);
1241                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1242                 if(idret == 1) BIO_printf(bio, "Yes\n");
1243                 else if (idret == 0) BIO_printf(bio, "No\n");
1244                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1245         }
1246         return 1;
1247 }
1248
1249
1250