472d8c25770f512aba3a2687defd3b3392c161b9
[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 NULL
130 };
131
132 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
133 static EVP_PKEY *load_key(char *file, int format, char *passin);
134 static X509 *load_cert(char *file, int format);
135 static int sign (X509 *x, EVP_PKEY *pkey,int days,const EVP_MD *digest,
136                                                 LHASH *conf, char *section);
137 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
138                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
139                          int create,int days, LHASH *conf, char *section);
140 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
141 static int reqfile=0;
142
143 int MAIN(int, char **);
144
145 int MAIN(int argc, char **argv)
146         {
147         int ret=1;
148         X509_REQ *req=NULL;
149         X509 *x=NULL,*xca=NULL;
150         ASN1_OBJECT *objtmp;
151         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
152         int i,num,badops=0;
153         BIO *out=NULL;
154         BIO *STDout=NULL;
155         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
156         int informat,outformat,keyformat,CAformat,CAkeyformat;
157         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
158         char *CAkeyfile=NULL,*CAserial=NULL;
159         char *alias=NULL;
160         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
161         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
162         int trustout=0,clrtrust=0,clrreject=0,aliasout=0;
163         int C=0;
164         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
165         int pprint = 0;
166         char **pp;
167         X509_STORE *ctx=NULL;
168         X509_REQ *rq=NULL;
169         int fingerprint=0;
170         char buf[256];
171         const EVP_MD *md_alg,*digest=EVP_md5();
172         LHASH *extconf = NULL;
173         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
174         int need_rand = 0;
175
176         reqfile=0;
177
178         apps_startup();
179
180         if (bio_err == NULL)
181                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
182         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
183
184         informat=FORMAT_PEM;
185         outformat=FORMAT_PEM;
186         keyformat=FORMAT_PEM;
187         CAformat=FORMAT_PEM;
188         CAkeyformat=FORMAT_PEM;
189
190         ctx=X509_STORE_new();
191         if (ctx == NULL) goto end;
192         X509_STORE_set_verify_cb_func(ctx,callb);
193
194         argc--;
195         argv++;
196         num=0;
197         while (argc >= 1)
198                 {
199                 if      (strcmp(*argv,"-inform") == 0)
200                         {
201                         if (--argc < 1) goto bad;
202                         informat=str2fmt(*(++argv));
203                         }
204                 else if (strcmp(*argv,"-outform") == 0)
205                         {
206                         if (--argc < 1) goto bad;
207                         outformat=str2fmt(*(++argv));
208                         }
209                 else if (strcmp(*argv,"-keyform") == 0)
210                         {
211                         if (--argc < 1) goto bad;
212                         keyformat=str2fmt(*(++argv));
213                         }
214                 else if (strcmp(*argv,"-req") == 0)
215                         {
216                         reqfile=1;
217                         need_rand = 1;
218                         }
219                 else if (strcmp(*argv,"-CAform") == 0)
220                         {
221                         if (--argc < 1) goto bad;
222                         CAformat=str2fmt(*(++argv));
223                         }
224                 else if (strcmp(*argv,"-CAkeyform") == 0)
225                         {
226                         if (--argc < 1) goto bad;
227                         CAformat=str2fmt(*(++argv));
228                         }
229                 else if (strcmp(*argv,"-days") == 0)
230                         {
231                         if (--argc < 1) goto bad;
232                         days=atoi(*(++argv));
233                         if (days == 0)
234                                 {
235                                 BIO_printf(STDout,"bad number of days\n");
236                                 goto bad;
237                                 }
238                         }
239                 else if (strcmp(*argv,"-passin") == 0)
240                         {
241                         if (--argc < 1) goto bad;
242                         passargin= *(++argv);
243                         }
244                 else if (strcmp(*argv,"-extfile") == 0)
245                         {
246                         if (--argc < 1) goto bad;
247                         extfile= *(++argv);
248                         }
249                 else if (strcmp(*argv,"-extensions") == 0)
250                         {
251                         if (--argc < 1) goto bad;
252                         extsect= *(++argv);
253                         }
254                 else if (strcmp(*argv,"-in") == 0)
255                         {
256                         if (--argc < 1) goto bad;
257                         infile= *(++argv);
258                         }
259                 else if (strcmp(*argv,"-out") == 0)
260                         {
261                         if (--argc < 1) goto bad;
262                         outfile= *(++argv);
263                         }
264                 else if (strcmp(*argv,"-signkey") == 0)
265                         {
266                         if (--argc < 1) goto bad;
267                         keyfile= *(++argv);
268                         sign_flag= ++num;
269                         need_rand = 1;
270                         }
271                 else if (strcmp(*argv,"-CA") == 0)
272                         {
273                         if (--argc < 1) goto bad;
274                         CAfile= *(++argv);
275                         CA_flag= ++num;
276                         need_rand = 1;
277                         }
278                 else if (strcmp(*argv,"-CAkey") == 0)
279                         {
280                         if (--argc < 1) goto bad;
281                         CAkeyfile= *(++argv);
282                         }
283                 else if (strcmp(*argv,"-CAserial") == 0)
284                         {
285                         if (--argc < 1) goto bad;
286                         CAserial= *(++argv);
287                         }
288                 else if (strcmp(*argv,"-addtrust") == 0)
289                         {
290                         if (--argc < 1) goto bad;
291                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
292                                 BIO_printf(bio_err,
293                                         "Invalid trust object value %s\n", *argv);
294                                 goto bad;
295                         }
296                         if(!trust) trust = sk_ASN1_OBJECT_new_null();
297                         sk_ASN1_OBJECT_push(trust, objtmp);
298                         trustout = 1;
299                         }
300                 else if (strcmp(*argv,"-addreject") == 0)
301                         {
302                         if (--argc < 1) goto bad;
303                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
304                                 BIO_printf(bio_err,
305                                         "Invalid reject object value %s\n", *argv);
306                                 goto bad;
307                         }
308                         if(!reject) reject = sk_ASN1_OBJECT_new_null();
309                         sk_ASN1_OBJECT_push(reject, objtmp);
310                         trustout = 1;
311                         }
312                 else if (strcmp(*argv,"-setalias") == 0)
313                         {
314                         if (--argc < 1) goto bad;
315                         alias= *(++argv);
316                         trustout = 1;
317                         }
318                 else if (strcmp(*argv,"-setalias") == 0)
319                         {
320                         if (--argc < 1) goto bad;
321                         alias= *(++argv);
322                         trustout = 1;
323                         }
324                 else if (strcmp(*argv,"-C") == 0)
325                         C= ++num;
326                 else if (strcmp(*argv,"-serial") == 0)
327                         serial= ++num;
328                 else if (strcmp(*argv,"-modulus") == 0)
329                         modulus= ++num;
330                 else if (strcmp(*argv,"-pubkey") == 0)
331                         pubkey= ++num;
332                 else if (strcmp(*argv,"-x509toreq") == 0)
333                         x509req= ++num;
334                 else if (strcmp(*argv,"-text") == 0)
335                         text= ++num;
336                 else if (strcmp(*argv,"-hash") == 0)
337                         hash= ++num;
338                 else if (strcmp(*argv,"-subject") == 0)
339                         subject= ++num;
340                 else if (strcmp(*argv,"-issuer") == 0)
341                         issuer= ++num;
342                 else if (strcmp(*argv,"-fingerprint") == 0)
343                         fingerprint= ++num;
344                 else if (strcmp(*argv,"-dates") == 0)
345                         {
346                         startdate= ++num;
347                         enddate= ++num;
348                         }
349                 else if (strcmp(*argv,"-purpose") == 0)
350                         pprint= ++num;
351                 else if (strcmp(*argv,"-startdate") == 0)
352                         startdate= ++num;
353                 else if (strcmp(*argv,"-enddate") == 0)
354                         enddate= ++num;
355                 else if (strcmp(*argv,"-noout") == 0)
356                         noout= ++num;
357                 else if (strcmp(*argv,"-trustout") == 0)
358                         trustout= 1;
359                 else if (strcmp(*argv,"-clrtrust") == 0)
360                         clrtrust= ++num;
361                 else if (strcmp(*argv,"-clrreject") == 0)
362                         clrreject= ++num;
363                 else if (strcmp(*argv,"-alias") == 0)
364                         aliasout= ++num;
365                 else if (strcmp(*argv,"-CAcreateserial") == 0)
366                         CA_createserial= ++num;
367                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
368                         {
369                         /* ok */
370                         digest=md_alg;
371                         }
372                 else
373                         {
374                         BIO_printf(bio_err,"unknown option %s\n",*argv);
375                         badops=1;
376                         break;
377                         }
378                 argc--;
379                 argv++;
380                 }
381
382         if (badops)
383                 {
384 bad:
385                 for (pp=x509_usage; (*pp != NULL); pp++)
386                         BIO_printf(bio_err,*pp);
387                 goto end;
388                 }
389
390         if (need_rand)
391                 app_RAND_load_file(NULL, bio_err, 0);
392
393         ERR_load_crypto_strings();
394
395         if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
396                 BIO_printf(bio_err, "Error getting password\n");
397                 goto end;
398         }
399
400         if (!X509_STORE_set_default_paths(ctx))
401                 {
402                 ERR_print_errors(bio_err);
403                 goto end;
404                 }
405
406         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
407                 { CAkeyfile=CAfile; }
408         else if ((CA_flag) && (CAkeyfile == NULL))
409                 {
410                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
411                 goto end;
412                 }
413
414         if (extfile) {
415                 long errorline;
416                 X509V3_CTX ctx2;
417                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
418                         if (errorline <= 0)
419                                 BIO_printf(bio_err,
420                                         "error loading the config file '%s'\n",
421                                                                 extfile);
422                         else
423                                 BIO_printf(bio_err,
424                                        "error on line %ld of config file '%s'\n"
425                                                         ,errorline,extfile);
426                         goto end;
427                 }
428                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
429                                          "extensions"))) extsect = "default";
430                 X509V3_set_ctx_test(&ctx2);
431                 X509V3_set_conf_lhash(&ctx2, extconf);
432                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
433                         BIO_printf(bio_err,
434                                 "Error Loading extension section %s\n",
435                                                                  extsect);
436                         ERR_print_errors(bio_err);
437                         goto end;
438                 }
439         } 
440
441
442         if (reqfile)
443                 {
444                 EVP_PKEY *pkey;
445                 X509_CINF *ci;
446                 BIO *in;
447
448                 if (!sign_flag && !CA_flag)
449                         {
450                         BIO_printf(bio_err,"We need a private key to sign with\n");
451                         goto end;
452                         }
453                 in=BIO_new(BIO_s_file());
454                 if (in == NULL)
455                         {
456                         ERR_print_errors(bio_err);
457                         goto end;
458                         }
459
460                 if (infile == NULL)
461                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
462                 else
463                         {
464                         if (BIO_read_filename(in,infile) <= 0)
465                                 {
466                                 perror(infile);
467                                 goto end;
468                                 }
469                         }
470                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
471                 BIO_free(in);
472
473                 if (req == NULL) { perror(infile); goto end; }
474
475                 if (    (req->req_info == NULL) ||
476                         (req->req_info->pubkey == NULL) ||
477                         (req->req_info->pubkey->public_key == NULL) ||
478                         (req->req_info->pubkey->public_key->data == NULL))
479                         {
480                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
481                         BIO_printf(bio_err,"It does not contain a public key\n");
482                         goto end;
483                         }
484                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
485                         {
486                         BIO_printf(bio_err,"error unpacking public key\n");
487                         goto end;
488                         }
489                 i=X509_REQ_verify(req,pkey);
490                 EVP_PKEY_free(pkey);
491                 if (i < 0)
492                         {
493                         BIO_printf(bio_err,"Signature verification error\n");
494                         ERR_print_errors(bio_err);
495                         goto end;
496                         }
497                 if (i == 0)
498                         {
499                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
500                         goto end;
501                         }
502                 else
503                         BIO_printf(bio_err,"Signature ok\n");
504                 
505                 X509_NAME_oneline(req->req_info->subject,buf,256);
506                 BIO_printf(bio_err,"subject=%s\n",buf);
507
508                 if ((x=X509_new()) == NULL) goto end;
509                 ci=x->cert_info;
510
511                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
512                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
513                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
514
515                 X509_gmtime_adj(X509_get_notBefore(x),0);
516                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
517
518                 pkey = X509_REQ_get_pubkey(req);
519                 X509_set_pubkey(x,pkey);
520                 EVP_PKEY_free(pkey);
521                 }
522         else
523                 x=load_cert(infile,informat);
524
525         if (x == NULL) goto end;
526         if (CA_flag)
527                 {
528                 xca=load_cert(CAfile,CAformat);
529                 if (xca == NULL) goto end;
530                 }
531
532         if (!noout || text)
533                 {
534                 OBJ_create("2.99999.3",
535                         "SET.ex3","SET x509v3 extension 3");
536
537                 out=BIO_new(BIO_s_file());
538                 if (out == NULL)
539                         {
540                         ERR_print_errors(bio_err);
541                         goto end;
542                         }
543                 if (outfile == NULL)
544                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
545                 else
546                         {
547                         if (BIO_write_filename(out,outfile) <= 0)
548                                 {
549                                 perror(outfile);
550                                 goto end;
551                                 }
552                         }
553                 }
554
555         if(alias) X509_alias_rset(x, (unsigned char *)alias, -1);
556
557         if(clrtrust) X509_trust_clear(x);
558         if(clrreject) X509_reject_clear(x);
559
560         if(trust) {
561                 for(i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
562                         objtmp = sk_ASN1_OBJECT_value(trust, i);
563                         X509_radd_trust_object(x, objtmp);
564                 }
565         }
566
567         if(reject) {
568                 for(i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
569                         objtmp = sk_ASN1_OBJECT_value(reject, i);
570                         X509_radd_reject_object(x, objtmp);
571                 }
572         }
573
574         if (num)
575                 {
576                 for (i=1; i<=num; i++)
577                         {
578                         if (issuer == i)
579                                 {
580                                 X509_NAME_oneline(X509_get_issuer_name(x),
581                                         buf,256);
582                                 BIO_printf(STDout,"issuer= %s\n",buf);
583                                 }
584                         else if (subject == i) 
585                                 {
586                                 X509_NAME_oneline(X509_get_subject_name(x),
587                                         buf,256);
588                                 BIO_printf(STDout,"subject=%s\n",buf);
589                                 }
590                         else if (serial == i)
591                                 {
592                                 BIO_printf(STDout,"serial=");
593                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
594                                 BIO_printf(STDout,"\n");
595                                 }
596                         else if (aliasout == i)
597                                 {
598                                 unsigned char *alstr;
599                                 alstr = X509_alias_iget(x, NULL);
600                                 if(alstr) BIO_printf(STDout,"%s\n", alstr);
601                                 else BIO_puts(STDout,"<No Alias>\n");
602                                 }
603                         else if (hash == i)
604                                 {
605                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
606                                 }
607                         else if (pprint == i)
608                                 {
609                                 X509_PURPOSE *ptmp;
610                                 int j;
611                                 BIO_printf(STDout, "Certificate purposes:\n");
612                                 for(j = 0; j < X509_PURPOSE_get_count(); j++)
613                                         {
614                                         ptmp = X509_PURPOSE_iget(j);
615                                         purpose_print(STDout, x, ptmp);
616                                         }
617                                 }
618                         else
619                                 if (modulus == i)
620                                 {
621                                 EVP_PKEY *pkey;
622
623                                 pkey=X509_get_pubkey(x);
624                                 if (pkey == NULL)
625                                         {
626                                         BIO_printf(bio_err,"Modulus=unavailable\n");
627                                         ERR_print_errors(bio_err);
628                                         goto end;
629                                         }
630                                 BIO_printf(STDout,"Modulus=");
631 #ifndef NO_RSA
632                                 if (pkey->type == EVP_PKEY_RSA)
633                                         BN_print(STDout,pkey->pkey.rsa->n);
634                                 else
635 #endif
636 #ifndef NO_DSA
637                                 if (pkey->type == EVP_PKEY_DSA)
638                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
639                                 else
640 #endif
641                                         BIO_printf(STDout,"Wrong Algorithm type");
642                                 BIO_printf(STDout,"\n");
643                                 EVP_PKEY_free(pkey);
644                                 }
645                         else
646                                 if (pubkey == i)
647                                 {
648                                 EVP_PKEY *pkey;
649
650                                 pkey=X509_get_pubkey(x);
651                                 if (pkey == NULL)
652                                         {
653                                         BIO_printf(bio_err,"Error getting public key\n");
654                                         ERR_print_errors(bio_err);
655                                         goto end;
656                                         }
657                                 PEM_write_bio_PUBKEY(STDout, pkey);
658                                 EVP_PKEY_free(pkey);
659                                 }
660                         else
661                                 if (C == i)
662                                 {
663                                 unsigned char *d;
664                                 char *m;
665                                 int y,z;
666
667                                 X509_NAME_oneline(X509_get_subject_name(x),
668                                         buf,256);
669                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
670                                 m=X509_NAME_oneline(
671                                         X509_get_issuer_name(x),buf,256);
672                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
673
674                                 z=i2d_X509(x,NULL);
675                                 m=Malloc(z);
676
677                                 d=(unsigned char *)m;
678                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
679                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
680                                 d=(unsigned char *)m;
681                                 for (y=0; y<z; y++)
682                                         {
683                                         BIO_printf(STDout,"0x%02X,",d[y]);
684                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
685                                         }
686                                 if (y%16 != 0) BIO_printf(STDout,"\n");
687                                 BIO_printf(STDout,"};\n");
688
689                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
690                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
691                                 d=(unsigned char *)m;
692                                 for (y=0; y<z; y++)
693                                         {
694                                         BIO_printf(STDout,"0x%02X,",d[y]);
695                                         if ((y & 0x0f) == 0x0f)
696                                                 BIO_printf(STDout,"\n");
697                                         }
698                                 if (y%16 != 0) BIO_printf(STDout,"\n");
699                                 BIO_printf(STDout,"};\n");
700
701                                 z=i2d_X509(x,&d);
702                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
703                                 d=(unsigned char *)m;
704                                 for (y=0; y<z; y++)
705                                         {
706                                         BIO_printf(STDout,"0x%02X,",d[y]);
707                                         if ((y & 0x0f) == 0x0f)
708                                                 BIO_printf(STDout,"\n");
709                                         }
710                                 if (y%16 != 0) BIO_printf(STDout,"\n");
711                                 BIO_printf(STDout,"};\n");
712
713                                 Free(m);
714                                 }
715                         else if (text == i)
716                                 {
717                                 X509_print(out,x);
718                                 }
719                         else if (startdate == i)
720                                 {
721                                 BIO_puts(STDout,"notBefore=");
722                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
723                                 BIO_puts(STDout,"\n");
724                                 }
725                         else if (enddate == i)
726                                 {
727                                 BIO_puts(STDout,"notAfter=");
728                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
729                                 BIO_puts(STDout,"\n");
730                                 }
731                         else if (fingerprint == i)
732                                 {
733                                 int j;
734                                 unsigned int n;
735                                 unsigned char md[EVP_MAX_MD_SIZE];
736
737                                 if (!X509_digest(x,digest,md,&n))
738                                         {
739                                         BIO_printf(bio_err,"out of memory\n");
740                                         goto end;
741                                         }
742                                 BIO_printf(STDout,"%s Fingerprint=",
743                                                 OBJ_nid2sn(EVP_MD_type(digest)));
744                                 for (j=0; j<(int)n; j++)
745                                         {
746                                         BIO_printf(STDout,"%02X%c",md[j],
747                                                 (j+1 == (int)n)
748                                                 ?'\n':':');
749                                         }
750                                 }
751
752                         /* should be in the library */
753                         else if ((sign_flag == i) && (x509req == 0))
754                                 {
755                                 BIO_printf(bio_err,"Getting Private key\n");
756                                 if (Upkey == NULL)
757                                         {
758                                         Upkey=load_key(keyfile,keyformat, passin);
759                                         if (Upkey == NULL) goto end;
760                                         }
761 #ifndef NO_DSA
762                                 if (Upkey->type == EVP_PKEY_DSA)
763                                         digest=EVP_dss1();
764 #endif
765
766                                 assert(need_rand);
767                                 if (!sign(x,Upkey,days,digest,
768                                                  extconf, extsect)) goto end;
769                                 }
770                         else if (CA_flag == i)
771                                 {
772                                 BIO_printf(bio_err,"Getting CA Private Key\n");
773                                 if (CAkeyfile != NULL)
774                                         {
775                                         CApkey=load_key(CAkeyfile,CAkeyformat, passin);
776                                         if (CApkey == NULL) goto end;
777                                         }
778 #ifndef NO_DSA
779                                 if (CApkey->type == EVP_PKEY_DSA)
780                                         digest=EVP_dss1();
781 #endif
782                                 
783                                 assert(need_rand);
784                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
785                                         CApkey, CAserial,CA_createserial,days,
786                                         extconf, extsect))
787                                         goto end;
788                                 }
789                         else if (x509req == i)
790                                 {
791                                 EVP_PKEY *pk;
792
793                                 BIO_printf(bio_err,"Getting request Private Key\n");
794                                 if (keyfile == NULL)
795                                         {
796                                         BIO_printf(bio_err,"no request key file specified\n");
797                                         goto end;
798                                         }
799                                 else
800                                         {
801                                         pk=load_key(keyfile,FORMAT_PEM, passin);
802                                         if (pk == NULL) goto end;
803                                         }
804
805                                 BIO_printf(bio_err,"Generating certificate request\n");
806
807                                 if (pk->type == EVP_PKEY_DSA)
808                                         digest=EVP_dss1();
809
810                                 rq=X509_to_X509_REQ(x,pk,digest);
811                                 EVP_PKEY_free(pk);
812                                 if (rq == NULL)
813                                         {
814                                         ERR_print_errors(bio_err);
815                                         goto end;
816                                         }
817                                 if (!noout)
818                                         {
819                                         X509_REQ_print(out,rq);
820                                         PEM_write_bio_X509_REQ(out,rq);
821                                         }
822                                 noout=1;
823                                 }
824                         }
825                 }
826
827         if (noout)
828                 {
829                 ret=0;
830                 goto end;
831                 }
832
833         if      (outformat == FORMAT_ASN1)
834                 i=i2d_X509_bio(out,x);
835         else if (outformat == FORMAT_PEM) {
836                 if(trustout) i=PEM_write_bio_X509_AUX(out,x);
837                 else i=PEM_write_bio_X509(out,x);
838         } else if (outformat == FORMAT_NETSCAPE)
839                 {
840                 ASN1_HEADER ah;
841                 ASN1_OCTET_STRING os;
842
843                 os.data=(unsigned char *)CERT_HDR;
844                 os.length=strlen(CERT_HDR);
845                 ah.header= &os;
846                 ah.data=(char *)x;
847                 ah.meth=X509_asn1_meth();
848
849                 /* no macro for this one yet */
850                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
851                 }
852         else    {
853                 BIO_printf(bio_err,"bad output format specified for outfile\n");
854                 goto end;
855                 }
856         if (!i) {
857                 BIO_printf(bio_err,"unable to write certificate\n");
858                 ERR_print_errors(bio_err);
859                 goto end;
860                 }
861         ret=0;
862 end:
863         if (need_rand)
864                 app_RAND_write_file(NULL, bio_err);
865         OBJ_cleanup();
866         CONF_free(extconf);
867         BIO_free(out);
868         BIO_free(STDout);
869         X509_STORE_free(ctx);
870         X509_REQ_free(req);
871         X509_free(x);
872         X509_free(xca);
873         EVP_PKEY_free(Upkey);
874         EVP_PKEY_free(CApkey);
875         X509_REQ_free(rq);
876         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
877         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
878         if(passin) Free(passin);
879         EXIT(ret);
880         }
881
882 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
883              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
884              int days, LHASH *conf, char *section)
885         {
886         int ret=0;
887         BIO *io=NULL;
888         MS_STATIC char buf2[1024];
889         char *buf=NULL,*p;
890         BIGNUM *serial=NULL;
891         ASN1_INTEGER *bs=NULL,bs2;
892         X509_STORE_CTX xsc;
893         EVP_PKEY *upkey;
894
895         upkey = X509_get_pubkey(xca);
896         EVP_PKEY_copy_parameters(upkey,pkey);
897         EVP_PKEY_free(upkey);
898
899         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
900         buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
901                 ((serialfile == NULL)
902                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
903                         :(strlen(serialfile)))+1);
904         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
905         if (serialfile == NULL)
906                 {
907                 strcpy(buf,CAfile);
908                 for (p=buf; *p; p++)
909                         if (*p == '.')
910                                 {
911                                 *p='\0';
912                                 break;
913                                 }
914                 strcat(buf,POSTFIX);
915                 }
916         else
917                 strcpy(buf,serialfile);
918         serial=BN_new();
919         bs=ASN1_INTEGER_new();
920         if ((serial == NULL) || (bs == NULL))
921                 {
922                 ERR_print_errors(bio_err);
923                 goto end;
924                 }
925
926         io=BIO_new(BIO_s_file());
927         if (io == NULL)
928                 {
929                 ERR_print_errors(bio_err);
930                 goto end;
931                 }
932         
933         if (BIO_read_filename(io,buf) <= 0)
934                 {
935                 if (!create)
936                         {
937                         perror(buf);
938                         goto end;
939                         }
940                 else
941                         {
942                         ASN1_INTEGER_set(bs,1);
943                         BN_one(serial);
944                         }
945                 }
946         else 
947                 {
948                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
949                         {
950                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
951                         ERR_print_errors(bio_err);
952                         goto end;
953                         }
954                 else
955                         {
956                         serial=BN_bin2bn(bs->data,bs->length,serial);
957                         if (serial == NULL)
958                                 {
959                                 BIO_printf(bio_err,"error converting bin 2 bn");
960                                 goto end;
961                                 }
962                         }
963                 }
964
965         if (!BN_add_word(serial,1))
966                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
967         bs2.data=(unsigned char *)buf2;
968         bs2.length=BN_bn2bin(serial,bs2.data);
969
970         if (BIO_write_filename(io,buf) <= 0)
971                 {
972                 BIO_printf(bio_err,"error attempting to write serial number file\n");
973                 perror(buf);
974                 goto end;
975                 }
976         i2a_ASN1_INTEGER(io,&bs2);
977         BIO_puts(io,"\n");
978         BIO_free(io);
979         io=NULL;
980         
981         if (!X509_STORE_add_cert(ctx,x)) goto end;
982
983         /* NOTE: this certificate can/should be self signed, unless it was
984          * a certificate request in which case it is not. */
985         X509_STORE_CTX_set_cert(&xsc,x);
986         if (!reqfile && !X509_verify_cert(&xsc))
987                 goto end;
988
989         if (!X509_check_private_key(xca,pkey))
990                 {
991                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
992                 goto end;
993                 }
994
995         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
996         if (!X509_set_serialNumber(x,bs)) goto end;
997
998         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
999                 goto end;
1000
1001         /* hardwired expired */
1002         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1003                 goto end;
1004
1005         if(conf) {
1006                 X509V3_CTX ctx2;
1007                 X509_set_version(x,2); /* version 3 certificate */
1008                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1009                 X509V3_set_conf_lhash(&ctx2, conf);
1010                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1011         }
1012
1013         if (!X509_sign(x,pkey,digest)) goto end;
1014         ret=1;
1015 end:
1016         X509_STORE_CTX_cleanup(&xsc);
1017         if (!ret)
1018                 ERR_print_errors(bio_err);
1019         if (buf != NULL) Free(buf);
1020         if (bs != NULL) ASN1_INTEGER_free(bs);
1021         if (io != NULL) BIO_free(io);
1022         if (serial != NULL) BN_free(serial);
1023         return(ret);
1024         }
1025
1026 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1027         {
1028         char buf[256];
1029         int err;
1030         X509 *err_cert;
1031
1032         /* it is ok to use a self signed certificate
1033          * This case will catch both the initial ok == 0 and the
1034          * final ok == 1 calls to this function */
1035         err=X509_STORE_CTX_get_error(ctx);
1036         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1037                 return(1);
1038
1039         /* BAD we should have gotten an error.  Normally if everything
1040          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1041          * DEPTH_ZERO_SELF_.... */
1042         if (ok)
1043                 {
1044                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1045                 return(0);
1046                 }
1047         else
1048                 {
1049                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1050                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
1051                 BIO_printf(bio_err,"%s\n",buf);
1052                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1053                         err,X509_STORE_CTX_get_error_depth(ctx),
1054                         X509_verify_cert_error_string(err));
1055                 return(1);
1056                 }
1057         }
1058
1059 static EVP_PKEY *load_key(char *file, int format, char *passin)
1060         {
1061         BIO *key=NULL;
1062         EVP_PKEY *pkey=NULL;
1063
1064         if (file == NULL)
1065                 {
1066                 BIO_printf(bio_err,"no keyfile specified\n");
1067                 goto end;
1068                 }
1069         key=BIO_new(BIO_s_file());
1070         if (key == NULL)
1071                 {
1072                 ERR_print_errors(bio_err);
1073                 goto end;
1074                 }
1075         if (BIO_read_filename(key,file) <= 0)
1076                 {
1077                 perror(file);
1078                 goto end;
1079                 }
1080 #ifndef NO_RSA
1081         if      (format == FORMAT_ASN1)
1082                 {
1083                 RSA *rsa;
1084
1085                 rsa=d2i_RSAPrivateKey_bio(key,NULL);
1086                 if (rsa != NULL)
1087                         {
1088                         if ((pkey=EVP_PKEY_new()) != NULL)
1089                                 EVP_PKEY_assign_RSA(pkey,rsa);
1090                         else
1091                                 RSA_free(rsa);
1092                         }
1093                 }
1094         else
1095 #endif
1096                 if (format == FORMAT_PEM)
1097                 {
1098                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,passin);
1099                 }
1100         else
1101                 {
1102                 BIO_printf(bio_err,"bad input format specified for key\n");
1103                 goto end;
1104                 }
1105 end:
1106         if (key != NULL) BIO_free(key);
1107         if (pkey == NULL)
1108                 BIO_printf(bio_err,"unable to load Private Key\n");
1109         return(pkey);
1110         }
1111
1112 static X509 *load_cert(char *file, int format)
1113         {
1114         ASN1_HEADER *ah=NULL;
1115         BUF_MEM *buf=NULL;
1116         X509 *x=NULL;
1117         BIO *cert;
1118
1119         if ((cert=BIO_new(BIO_s_file())) == NULL)
1120                 {
1121                 ERR_print_errors(bio_err);
1122                 goto end;
1123                 }
1124
1125         if (file == NULL)
1126                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
1127         else
1128                 {
1129                 if (BIO_read_filename(cert,file) <= 0)
1130                         {
1131                         perror(file);
1132                         goto end;
1133                         }
1134                 }
1135         if      (format == FORMAT_ASN1)
1136                 x=d2i_X509_bio(cert,NULL);
1137         else if (format == FORMAT_NETSCAPE)
1138                 {
1139                 unsigned char *p,*op;
1140                 int size=0,i;
1141
1142                 /* We sort of have to do it this way because it is sort of nice
1143                  * to read the header first and check it, then
1144                  * try to read the certificate */
1145                 buf=BUF_MEM_new();
1146                 for (;;)
1147                         {
1148                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
1149                                 goto end;
1150                         i=BIO_read(cert,&(buf->data[size]),1024*10);
1151                         size+=i;
1152                         if (i == 0) break;
1153                         if (i < 0)
1154                                 {
1155                                 perror("reading certificate");
1156                                 goto end;
1157                                 }
1158                         }
1159                 p=(unsigned char *)buf->data;
1160                 op=p;
1161
1162                 /* First load the header */
1163                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
1164                         goto end;
1165                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1166                         (strncmp(CERT_HDR,(char *)ah->header->data,
1167                         ah->header->length) != 0))
1168                         {
1169                         BIO_printf(bio_err,"Error reading header on certificate\n");
1170                         goto end;
1171                         }
1172                 /* header is ok, so now read the object */
1173                 p=op;
1174                 ah->meth=X509_asn1_meth();
1175                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1176                         goto end;
1177                 x=(X509 *)ah->data;
1178                 ah->data=NULL;
1179                 }
1180         else if (format == FORMAT_PEM)
1181                 x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
1182         else    {
1183                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1184                 goto end;
1185                 }
1186 end:
1187         if (x == NULL)
1188                 {
1189                 BIO_printf(bio_err,"unable to load certificate\n");
1190                 ERR_print_errors(bio_err);
1191                 }
1192         if (ah != NULL) ASN1_HEADER_free(ah);
1193         if (cert != NULL) BIO_free(cert);
1194         if (buf != NULL) BUF_MEM_free(buf);
1195         return(x);
1196         }
1197
1198 /* self sign */
1199 static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest, 
1200                                                 LHASH *conf, char *section)
1201         {
1202
1203         EVP_PKEY *pktmp;
1204
1205         pktmp = X509_get_pubkey(x);
1206         EVP_PKEY_copy_parameters(pktmp,pkey);
1207         EVP_PKEY_save_parameters(pktmp,1);
1208         EVP_PKEY_free(pktmp);
1209
1210         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1211         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1212
1213         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1214         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1215         /* 28 days to be certified */
1216
1217         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1218                 goto err;
1219
1220         if (!X509_set_pubkey(x,pkey)) goto err;
1221         if(conf) {
1222                 X509V3_CTX ctx;
1223                 X509_set_version(x,2); /* version 3 certificate */
1224                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1225                 X509V3_set_conf_lhash(&ctx, conf);
1226                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1227         }
1228         if (!X509_sign(x,pkey,digest)) goto err;
1229         return(1);
1230 err:
1231         ERR_print_errors(bio_err);
1232         return(0);
1233         }
1234
1235 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1236 {
1237         int id, i, idret;
1238         char *pname;
1239         id = X509_PURPOSE_get_id(pt);
1240         pname = X509_PURPOSE_iget_name(pt);
1241         for(i = 0; i < 2; i++) {
1242                 idret = X509_check_purpose(cert, id, i);
1243                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1244                 if(idret == 1) BIO_printf(bio, "Yes\n");
1245                 else if (idret == 0) BIO_printf(bio, "No\n");
1246                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1247         }
1248         return 1;
1249 }
1250
1251
1252