Fix shadow.
[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\n",
96 " -envpassin arg  - read private key password from environment variable \"arg\"\n",
97 " -serial         - print serial number value\n",
98 " -hash           - print hash value\n",
99 " -subject        - print subject DN\n",
100 " -issuer         - print issuer DN\n",
101 " -startdate      - notBefore field\n",
102 " -enddate        - notAfter field\n",
103 " -purpose        - print out certificate purposes\n",
104 " -dates          - both Before and After dates\n",
105 " -modulus        - print the RSA key modulus\n",
106 " -pubkey         - output the public key\n",
107 " -fingerprint    - print the certificate fingerprint\n",
108 " -alias          - output certificate alias\n",
109 " -noout          - no certificate output\n",
110 " -trustout       - output a \"trusted\" certificate\n",
111 " -clrtrust       - clear all trusted purposes\n",
112 " -clrreject      - clear all rejected purposes\n",
113 " -addtrust arg   - trust certificate for a given purpose\n",
114 " -addreject arg  - reject certificate for a given purpose\n",
115 " -setalias arg   - set certificate alias\n",
116 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
117 " -signkey arg    - self sign cert with arg\n",
118 " -x509toreq      - output a certification request object\n",
119 " -req            - input is a certificate request, sign and output.\n",
120 " -CA arg         - set the CA certificate, must be PEM format.\n",
121 " -CAkey arg      - set the CA key, must be PEM format\n",
122 "                   missing, it is assumed to be in the CA file.\n",
123 " -CAcreateserial - create serial number file if it does not exist\n",
124 " -CAserial       - serial file\n",
125 " -text           - print the certificate in text form\n",
126 " -C              - print out C code forms\n",
127 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
128 " -extfile        - configuration file with X509V3 extensions to add\n",
129 " -extensions     - section from config file with X509V3 extensions to add\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,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, 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;
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;
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                         passin= *(++argv);
244                         }
245                 else if (strcmp(*argv,"-envpassin") == 0)
246                         {
247                         if (--argc < 1) goto bad;
248                                 if(!(passin= getenv(*(++argv))))
249                                 {
250                                 BIO_printf(bio_err,
251                                  "Can't read environment variable %s\n",
252                                                                 *argv);
253                                 badops = 1;
254                                 }
255                         }
256                 else if (strcmp(*argv,"-extfile") == 0)
257                         {
258                         if (--argc < 1) goto bad;
259                         extfile= *(++argv);
260                         }
261                 else if (strcmp(*argv,"-extensions") == 0)
262                         {
263                         if (--argc < 1) goto bad;
264                         extsect= *(++argv);
265                         }
266                 else if (strcmp(*argv,"-in") == 0)
267                         {
268                         if (--argc < 1) goto bad;
269                         infile= *(++argv);
270                         }
271                 else if (strcmp(*argv,"-out") == 0)
272                         {
273                         if (--argc < 1) goto bad;
274                         outfile= *(++argv);
275                         }
276                 else if (strcmp(*argv,"-signkey") == 0)
277                         {
278                         if (--argc < 1) goto bad;
279                         keyfile= *(++argv);
280                         sign_flag= ++num;
281                         need_rand = 1;
282                         }
283                 else if (strcmp(*argv,"-CA") == 0)
284                         {
285                         if (--argc < 1) goto bad;
286                         CAfile= *(++argv);
287                         CA_flag= ++num;
288                         need_rand = 1;
289                         }
290                 else if (strcmp(*argv,"-CAkey") == 0)
291                         {
292                         if (--argc < 1) goto bad;
293                         CAkeyfile= *(++argv);
294                         }
295                 else if (strcmp(*argv,"-CAserial") == 0)
296                         {
297                         if (--argc < 1) goto bad;
298                         CAserial= *(++argv);
299                         }
300                 else if (strcmp(*argv,"-addtrust") == 0)
301                         {
302                         if (--argc < 1) goto bad;
303                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
304                                 BIO_printf(bio_err,
305                                         "Invalid trust object value %s\n", *argv);
306                                 goto bad;
307                         }
308                         if(!trust) trust = sk_ASN1_OBJECT_new_null();
309                         sk_ASN1_OBJECT_push(trust, objtmp);
310                         trustout = 1;
311                         }
312                 else if (strcmp(*argv,"-addreject") == 0)
313                         {
314                         if (--argc < 1) goto bad;
315                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
316                                 BIO_printf(bio_err,
317                                         "Invalid reject object value %s\n", *argv);
318                                 goto bad;
319                         }
320                         if(!reject) reject = sk_ASN1_OBJECT_new_null();
321                         sk_ASN1_OBJECT_push(reject, objtmp);
322                         trustout = 1;
323                         }
324                 else if (strcmp(*argv,"-setalias") == 0)
325                         {
326                         if (--argc < 1) goto bad;
327                         alias= *(++argv);
328                         trustout = 1;
329                         }
330                 else if (strcmp(*argv,"-setalias") == 0)
331                         {
332                         if (--argc < 1) goto bad;
333                         alias= *(++argv);
334                         trustout = 1;
335                         }
336                 else if (strcmp(*argv,"-C") == 0)
337                         C= ++num;
338                 else if (strcmp(*argv,"-serial") == 0)
339                         serial= ++num;
340                 else if (strcmp(*argv,"-modulus") == 0)
341                         modulus= ++num;
342                 else if (strcmp(*argv,"-pubkey") == 0)
343                         pubkey= ++num;
344                 else if (strcmp(*argv,"-x509toreq") == 0)
345                         x509req= ++num;
346                 else if (strcmp(*argv,"-text") == 0)
347                         text= ++num;
348                 else if (strcmp(*argv,"-hash") == 0)
349                         hash= ++num;
350                 else if (strcmp(*argv,"-subject") == 0)
351                         subject= ++num;
352                 else if (strcmp(*argv,"-issuer") == 0)
353                         issuer= ++num;
354                 else if (strcmp(*argv,"-fingerprint") == 0)
355                         fingerprint= ++num;
356                 else if (strcmp(*argv,"-dates") == 0)
357                         {
358                         startdate= ++num;
359                         enddate= ++num;
360                         }
361                 else if (strcmp(*argv,"-purpose") == 0)
362                         pprint= ++num;
363                 else if (strcmp(*argv,"-startdate") == 0)
364                         startdate= ++num;
365                 else if (strcmp(*argv,"-enddate") == 0)
366                         enddate= ++num;
367                 else if (strcmp(*argv,"-noout") == 0)
368                         noout= ++num;
369                 else if (strcmp(*argv,"-trustout") == 0)
370                         trustout= 1;
371                 else if (strcmp(*argv,"-clrtrust") == 0)
372                         clrtrust= ++num;
373                 else if (strcmp(*argv,"-clrreject") == 0)
374                         clrreject= ++num;
375                 else if (strcmp(*argv,"-alias") == 0)
376                         aliasout= ++num;
377                 else if (strcmp(*argv,"-CAcreateserial") == 0)
378                         CA_createserial= ++num;
379                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
380                         {
381                         /* ok */
382                         digest=md_alg;
383                         }
384                 else
385                         {
386                         BIO_printf(bio_err,"unknown option %s\n",*argv);
387                         badops=1;
388                         break;
389                         }
390                 argc--;
391                 argv++;
392                 }
393
394         if (badops)
395                 {
396 bad:
397                 for (pp=x509_usage; (*pp != NULL); pp++)
398                         BIO_printf(bio_err,*pp);
399                 goto end;
400                 }
401
402         if (need_rand)
403                 app_RAND_load_file(NULL, bio_err, 0);
404
405         ERR_load_crypto_strings();
406
407         if (!X509_STORE_set_default_paths(ctx))
408                 {
409                 ERR_print_errors(bio_err);
410                 goto end;
411                 }
412
413         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
414                 { CAkeyfile=CAfile; }
415         else if ((CA_flag) && (CAkeyfile == NULL))
416                 {
417                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
418                 goto end;
419                 }
420
421         if (extfile) {
422                 long errorline;
423                 X509V3_CTX ctx2;
424                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
425                         if (errorline <= 0)
426                                 BIO_printf(bio_err,
427                                         "error loading the config file '%s'\n",
428                                                                 extfile);
429                         else
430                                 BIO_printf(bio_err,
431                                        "error on line %ld of config file '%s'\n"
432                                                         ,errorline,extfile);
433                         goto end;
434                 }
435                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
436                                          "extensions"))) extsect = "default";
437                 X509V3_set_ctx_test(&ctx2);
438                 X509V3_set_conf_lhash(&ctx2, extconf);
439                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
440                         BIO_printf(bio_err,
441                                 "Error Loading extension section %s\n",
442                                                                  extsect);
443                         ERR_print_errors(bio_err);
444                         goto end;
445                 }
446         } 
447
448
449         if (reqfile)
450                 {
451                 EVP_PKEY *pkey;
452                 X509_CINF *ci;
453                 BIO *in;
454
455                 if (!sign_flag && !CA_flag)
456                         {
457                         BIO_printf(bio_err,"We need a private key to sign with\n");
458                         goto end;
459                         }
460                 in=BIO_new(BIO_s_file());
461                 if (in == NULL)
462                         {
463                         ERR_print_errors(bio_err);
464                         goto end;
465                         }
466
467                 if (infile == NULL)
468                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
469                 else
470                         {
471                         if (BIO_read_filename(in,infile) <= 0)
472                                 {
473                                 perror(infile);
474                                 goto end;
475                                 }
476                         }
477                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
478                 BIO_free(in);
479
480                 if (req == NULL) { perror(infile); goto end; }
481
482                 if (    (req->req_info == NULL) ||
483                         (req->req_info->pubkey == NULL) ||
484                         (req->req_info->pubkey->public_key == NULL) ||
485                         (req->req_info->pubkey->public_key->data == NULL))
486                         {
487                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
488                         BIO_printf(bio_err,"It does not contain a public key\n");
489                         goto end;
490                         }
491                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
492                         {
493                         BIO_printf(bio_err,"error unpacking public key\n");
494                         goto end;
495                         }
496                 i=X509_REQ_verify(req,pkey);
497                 EVP_PKEY_free(pkey);
498                 if (i < 0)
499                         {
500                         BIO_printf(bio_err,"Signature verification error\n");
501                         ERR_print_errors(bio_err);
502                         goto end;
503                         }
504                 if (i == 0)
505                         {
506                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
507                         goto end;
508                         }
509                 else
510                         BIO_printf(bio_err,"Signature ok\n");
511                 
512                 X509_NAME_oneline(req->req_info->subject,buf,256);
513                 BIO_printf(bio_err,"subject=%s\n",buf);
514
515                 if ((x=X509_new()) == NULL) goto end;
516                 ci=x->cert_info;
517
518                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
519                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
520                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
521
522                 X509_gmtime_adj(X509_get_notBefore(x),0);
523                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
524
525                 pkey = X509_REQ_get_pubkey(req);
526                 X509_set_pubkey(x,pkey);
527                 EVP_PKEY_free(pkey);
528                 }
529         else
530                 x=load_cert(infile,informat);
531
532         if (x == NULL) goto end;
533         if (CA_flag)
534                 {
535                 xca=load_cert(CAfile,CAformat);
536                 if (xca == NULL) goto end;
537                 }
538
539         if (!noout || text)
540                 {
541                 OBJ_create("2.99999.3",
542                         "SET.ex3","SET x509v3 extension 3");
543
544                 out=BIO_new(BIO_s_file());
545                 if (out == NULL)
546                         {
547                         ERR_print_errors(bio_err);
548                         goto end;
549                         }
550                 if (outfile == NULL)
551                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
552                 else
553                         {
554                         if (BIO_write_filename(out,outfile) <= 0)
555                                 {
556                                 perror(outfile);
557                                 goto end;
558                                 }
559                         }
560                 }
561
562         if(alias) X509_alias_rset(x, (unsigned char *)alias, -1);
563
564         if(clrtrust) X509_trust_clear(x);
565         if(clrreject) X509_reject_clear(x);
566
567         if(trust) {
568                 for(i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
569                         objtmp = sk_ASN1_OBJECT_value(trust, i);
570                         X509_radd_trust_object(x, objtmp);
571                 }
572         }
573
574         if(reject) {
575                 for(i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
576                         objtmp = sk_ASN1_OBJECT_value(reject, i);
577                         X509_radd_reject_object(x, objtmp);
578                 }
579         }
580
581         if (num)
582                 {
583                 for (i=1; i<=num; i++)
584                         {
585                         if (issuer == i)
586                                 {
587                                 X509_NAME_oneline(X509_get_issuer_name(x),
588                                         buf,256);
589                                 BIO_printf(STDout,"issuer= %s\n",buf);
590                                 }
591                         else if (subject == i) 
592                                 {
593                                 X509_NAME_oneline(X509_get_subject_name(x),
594                                         buf,256);
595                                 BIO_printf(STDout,"subject=%s\n",buf);
596                                 }
597                         else if (serial == i)
598                                 {
599                                 BIO_printf(STDout,"serial=");
600                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
601                                 BIO_printf(STDout,"\n");
602                                 }
603                         else if (aliasout == i)
604                                 {
605                                 unsigned char *alstr;
606                                 alstr = X509_alias_iget(x, NULL);
607                                 if(alstr) BIO_printf(STDout,"%s\n", alstr);
608                                 else BIO_puts(STDout,"<No Alias>\n");
609                                 }
610                         else if (hash == i)
611                                 {
612                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
613                                 }
614                         else if (pprint == i)
615                                 {
616                                 X509_PURPOSE *ptmp;
617                                 int j;
618                                 BIO_printf(STDout, "Certificate purposes:\n");
619                                 for(j = 0; j < X509_PURPOSE_get_count(); j++)
620                                         {
621                                         ptmp = X509_PURPOSE_iget(j);
622                                         purpose_print(STDout, x, ptmp);
623                                         }
624                                 }
625                         else
626                                 if (modulus == i)
627                                 {
628                                 EVP_PKEY *pkey;
629
630                                 pkey=X509_get_pubkey(x);
631                                 if (pkey == NULL)
632                                         {
633                                         BIO_printf(bio_err,"Modulus=unavailable\n");
634                                         ERR_print_errors(bio_err);
635                                         goto end;
636                                         }
637                                 BIO_printf(STDout,"Modulus=");
638 #ifndef NO_RSA
639                                 if (pkey->type == EVP_PKEY_RSA)
640                                         BN_print(STDout,pkey->pkey.rsa->n);
641                                 else
642 #endif
643 #ifndef NO_DSA
644                                 if (pkey->type == EVP_PKEY_DSA)
645                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
646                                 else
647 #endif
648                                         BIO_printf(STDout,"Wrong Algorithm type");
649                                 BIO_printf(STDout,"\n");
650                                 EVP_PKEY_free(pkey);
651                                 }
652                         else
653                                 if (pubkey == i)
654                                 {
655                                 EVP_PKEY *pkey;
656
657                                 pkey=X509_get_pubkey(x);
658                                 if (pkey == NULL)
659                                         {
660                                         BIO_printf(bio_err,"Error getting public key\n");
661                                         ERR_print_errors(bio_err);
662                                         goto end;
663                                         }
664                                 PEM_write_bio_PUBKEY(STDout, pkey);
665                                 EVP_PKEY_free(pkey);
666                                 }
667                         else
668                                 if (C == i)
669                                 {
670                                 unsigned char *d;
671                                 char *m;
672                                 int y,z;
673
674                                 X509_NAME_oneline(X509_get_subject_name(x),
675                                         buf,256);
676                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
677                                 m=X509_NAME_oneline(
678                                         X509_get_issuer_name(x),buf,256);
679                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
680
681                                 z=i2d_X509(x,NULL);
682                                 m=Malloc(z);
683
684                                 d=(unsigned char *)m;
685                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
686                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
687                                 d=(unsigned char *)m;
688                                 for (y=0; y<z; y++)
689                                         {
690                                         BIO_printf(STDout,"0x%02X,",d[y]);
691                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
692                                         }
693                                 if (y%16 != 0) BIO_printf(STDout,"\n");
694                                 BIO_printf(STDout,"};\n");
695
696                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
697                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
698                                 d=(unsigned char *)m;
699                                 for (y=0; y<z; y++)
700                                         {
701                                         BIO_printf(STDout,"0x%02X,",d[y]);
702                                         if ((y & 0x0f) == 0x0f)
703                                                 BIO_printf(STDout,"\n");
704                                         }
705                                 if (y%16 != 0) BIO_printf(STDout,"\n");
706                                 BIO_printf(STDout,"};\n");
707
708                                 z=i2d_X509(x,&d);
709                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
710                                 d=(unsigned char *)m;
711                                 for (y=0; y<z; y++)
712                                         {
713                                         BIO_printf(STDout,"0x%02X,",d[y]);
714                                         if ((y & 0x0f) == 0x0f)
715                                                 BIO_printf(STDout,"\n");
716                                         }
717                                 if (y%16 != 0) BIO_printf(STDout,"\n");
718                                 BIO_printf(STDout,"};\n");
719
720                                 Free(m);
721                                 }
722                         else if (text == i)
723                                 {
724                                 X509_print(out,x);
725                                 }
726                         else if (startdate == i)
727                                 {
728                                 BIO_puts(STDout,"notBefore=");
729                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
730                                 BIO_puts(STDout,"\n");
731                                 }
732                         else if (enddate == i)
733                                 {
734                                 BIO_puts(STDout,"notAfter=");
735                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
736                                 BIO_puts(STDout,"\n");
737                                 }
738                         else if (fingerprint == i)
739                                 {
740                                 int j;
741                                 unsigned int n;
742                                 unsigned char md[EVP_MAX_MD_SIZE];
743
744                                 if (!X509_digest(x,digest,md,&n))
745                                         {
746                                         BIO_printf(bio_err,"out of memory\n");
747                                         goto end;
748                                         }
749                                 BIO_printf(STDout,"%s Fingerprint=",
750                                                 OBJ_nid2sn(EVP_MD_type(digest)));
751                                 for (j=0; j<(int)n; j++)
752                                         {
753                                         BIO_printf(STDout,"%02X%c",md[j],
754                                                 (j+1 == (int)n)
755                                                 ?'\n':':');
756                                         }
757                                 }
758
759                         /* should be in the library */
760                         else if ((sign_flag == i) && (x509req == 0))
761                                 {
762                                 BIO_printf(bio_err,"Getting Private key\n");
763                                 if (Upkey == NULL)
764                                         {
765                                         Upkey=load_key(keyfile,keyformat, passin);
766                                         if (Upkey == NULL) goto end;
767                                         }
768 #ifndef NO_DSA
769                                 if (Upkey->type == EVP_PKEY_DSA)
770                                         digest=EVP_dss1();
771 #endif
772
773                                 assert(need_rand);
774                                 if (!sign(x,Upkey,days,digest,
775                                                  extconf, extsect)) goto end;
776                                 }
777                         else if (CA_flag == i)
778                                 {
779                                 BIO_printf(bio_err,"Getting CA Private Key\n");
780                                 if (CAkeyfile != NULL)
781                                         {
782                                         CApkey=load_key(CAkeyfile,CAkeyformat, passin);
783                                         if (CApkey == NULL) goto end;
784                                         }
785 #ifndef NO_DSA
786                                 if (CApkey->type == EVP_PKEY_DSA)
787                                         digest=EVP_dss1();
788 #endif
789                                 
790                                 assert(need_rand);
791                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
792                                         CApkey, CAserial,CA_createserial,days,
793                                         extconf, extsect))
794                                         goto end;
795                                 }
796                         else if (x509req == i)
797                                 {
798                                 EVP_PKEY *pk;
799
800                                 BIO_printf(bio_err,"Getting request Private Key\n");
801                                 if (keyfile == NULL)
802                                         {
803                                         BIO_printf(bio_err,"no request key file specified\n");
804                                         goto end;
805                                         }
806                                 else
807                                         {
808                                         pk=load_key(keyfile,FORMAT_PEM, passin);
809                                         if (pk == NULL) goto end;
810                                         }
811
812                                 BIO_printf(bio_err,"Generating certificate request\n");
813
814                                 if (pk->type == EVP_PKEY_DSA)
815                                         digest=EVP_dss1();
816
817                                 rq=X509_to_X509_REQ(x,pk,digest);
818                                 EVP_PKEY_free(pk);
819                                 if (rq == NULL)
820                                         {
821                                         ERR_print_errors(bio_err);
822                                         goto end;
823                                         }
824                                 if (!noout)
825                                         {
826                                         X509_REQ_print(out,rq);
827                                         PEM_write_bio_X509_REQ(out,rq);
828                                         }
829                                 noout=1;
830                                 }
831                         }
832                 }
833
834         if (noout)
835                 {
836                 ret=0;
837                 goto end;
838                 }
839
840         if      (outformat == FORMAT_ASN1)
841                 i=i2d_X509_bio(out,x);
842         else if (outformat == FORMAT_PEM) {
843                 if(trustout) i=PEM_write_bio_X509_AUX(out,x);
844                 else i=PEM_write_bio_X509(out,x);
845         } else if (outformat == FORMAT_NETSCAPE)
846                 {
847                 ASN1_HEADER ah;
848                 ASN1_OCTET_STRING os;
849
850                 os.data=(unsigned char *)CERT_HDR;
851                 os.length=strlen(CERT_HDR);
852                 ah.header= &os;
853                 ah.data=(char *)x;
854                 ah.meth=X509_asn1_meth();
855
856                 /* no macro for this one yet */
857                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
858                 }
859         else    {
860                 BIO_printf(bio_err,"bad output format specified for outfile\n");
861                 goto end;
862                 }
863         if (!i) {
864                 BIO_printf(bio_err,"unable to write certificate\n");
865                 ERR_print_errors(bio_err);
866                 goto end;
867                 }
868         ret=0;
869 end:
870         if (need_rand)
871                 app_RAND_write_file(NULL, bio_err);
872         OBJ_cleanup();
873         CONF_free(extconf);
874         BIO_free(out);
875         BIO_free(STDout);
876         X509_STORE_free(ctx);
877         X509_REQ_free(req);
878         X509_free(x);
879         X509_free(xca);
880         EVP_PKEY_free(Upkey);
881         EVP_PKEY_free(CApkey);
882         X509_REQ_free(rq);
883         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
884         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
885         EXIT(ret);
886         }
887
888 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
889              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
890              int days, LHASH *conf, char *section)
891         {
892         int ret=0;
893         BIO *io=NULL;
894         MS_STATIC char buf2[1024];
895         char *buf=NULL,*p;
896         BIGNUM *serial=NULL;
897         ASN1_INTEGER *bs=NULL,bs2;
898         X509_STORE_CTX xsc;
899         EVP_PKEY *upkey;
900
901         upkey = X509_get_pubkey(xca);
902         EVP_PKEY_copy_parameters(upkey,pkey);
903         EVP_PKEY_free(upkey);
904
905         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
906         buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
907                 ((serialfile == NULL)
908                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
909                         :(strlen(serialfile)))+1);
910         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
911         if (serialfile == NULL)
912                 {
913                 strcpy(buf,CAfile);
914                 for (p=buf; *p; p++)
915                         if (*p == '.')
916                                 {
917                                 *p='\0';
918                                 break;
919                                 }
920                 strcat(buf,POSTFIX);
921                 }
922         else
923                 strcpy(buf,serialfile);
924         serial=BN_new();
925         bs=ASN1_INTEGER_new();
926         if ((serial == NULL) || (bs == NULL))
927                 {
928                 ERR_print_errors(bio_err);
929                 goto end;
930                 }
931
932         io=BIO_new(BIO_s_file());
933         if (io == NULL)
934                 {
935                 ERR_print_errors(bio_err);
936                 goto end;
937                 }
938         
939         if (BIO_read_filename(io,buf) <= 0)
940                 {
941                 if (!create)
942                         {
943                         perror(buf);
944                         goto end;
945                         }
946                 else
947                         {
948                         ASN1_INTEGER_set(bs,1);
949                         BN_one(serial);
950                         }
951                 }
952         else 
953                 {
954                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
955                         {
956                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
957                         ERR_print_errors(bio_err);
958                         goto end;
959                         }
960                 else
961                         {
962                         serial=BN_bin2bn(bs->data,bs->length,serial);
963                         if (serial == NULL)
964                                 {
965                                 BIO_printf(bio_err,"error converting bin 2 bn");
966                                 goto end;
967                                 }
968                         }
969                 }
970
971         if (!BN_add_word(serial,1))
972                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
973         bs2.data=(unsigned char *)buf2;
974         bs2.length=BN_bn2bin(serial,bs2.data);
975
976         if (BIO_write_filename(io,buf) <= 0)
977                 {
978                 BIO_printf(bio_err,"error attempting to write serial number file\n");
979                 perror(buf);
980                 goto end;
981                 }
982         i2a_ASN1_INTEGER(io,&bs2);
983         BIO_puts(io,"\n");
984         BIO_free(io);
985         io=NULL;
986         
987         if (!X509_STORE_add_cert(ctx,x)) goto end;
988
989         /* NOTE: this certificate can/should be self signed, unless it was
990          * a certificate request in which case it is not. */
991         X509_STORE_CTX_set_cert(&xsc,x);
992         if (!reqfile && !X509_verify_cert(&xsc))
993                 goto end;
994
995         if (!X509_check_private_key(xca,pkey))
996                 {
997                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
998                 goto end;
999                 }
1000
1001         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1002         if (!X509_set_serialNumber(x,bs)) goto end;
1003
1004         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1005                 goto end;
1006
1007         /* hardwired expired */
1008         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1009                 goto end;
1010
1011         if(conf) {
1012                 X509V3_CTX ctx2;
1013                 X509_set_version(x,2); /* version 3 certificate */
1014                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1015                 X509V3_set_conf_lhash(&ctx2, conf);
1016                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1017         }
1018
1019         if (!X509_sign(x,pkey,digest)) goto end;
1020         ret=1;
1021 end:
1022         X509_STORE_CTX_cleanup(&xsc);
1023         if (!ret)
1024                 ERR_print_errors(bio_err);
1025         if (buf != NULL) Free(buf);
1026         if (bs != NULL) ASN1_INTEGER_free(bs);
1027         if (io != NULL) BIO_free(io);
1028         if (serial != NULL) BN_free(serial);
1029         return(ret);
1030         }
1031
1032 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1033         {
1034         char buf[256];
1035         int err;
1036         X509 *err_cert;
1037
1038         /* it is ok to use a self signed certificate
1039          * This case will catch both the initial ok == 0 and the
1040          * final ok == 1 calls to this function */
1041         err=X509_STORE_CTX_get_error(ctx);
1042         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1043                 return(1);
1044
1045         /* BAD we should have gotten an error.  Normally if everything
1046          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1047          * DEPTH_ZERO_SELF_.... */
1048         if (ok)
1049                 {
1050                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1051                 return(0);
1052                 }
1053         else
1054                 {
1055                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1056                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
1057                 BIO_printf(bio_err,"%s\n",buf);
1058                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1059                         err,X509_STORE_CTX_get_error_depth(ctx),
1060                         X509_verify_cert_error_string(err));
1061                 return(1);
1062                 }
1063         }
1064
1065 static EVP_PKEY *load_key(char *file, int format, char *passin)
1066         {
1067         BIO *key=NULL;
1068         EVP_PKEY *pkey=NULL;
1069
1070         if (file == NULL)
1071                 {
1072                 BIO_printf(bio_err,"no keyfile specified\n");
1073                 goto end;
1074                 }
1075         key=BIO_new(BIO_s_file());
1076         if (key == NULL)
1077                 {
1078                 ERR_print_errors(bio_err);
1079                 goto end;
1080                 }
1081         if (BIO_read_filename(key,file) <= 0)
1082                 {
1083                 perror(file);
1084                 goto end;
1085                 }
1086 #ifndef NO_RSA
1087         if      (format == FORMAT_ASN1)
1088                 {
1089                 RSA *rsa;
1090
1091                 rsa=d2i_RSAPrivateKey_bio(key,NULL);
1092                 if (rsa != NULL)
1093                         {
1094                         if ((pkey=EVP_PKEY_new()) != NULL)
1095                                 EVP_PKEY_assign_RSA(pkey,rsa);
1096                         else
1097                                 RSA_free(rsa);
1098                         }
1099                 }
1100         else
1101 #endif
1102                 if (format == FORMAT_PEM)
1103                 {
1104                 pkey=PEM_read_bio_PrivateKey(key,NULL,PEM_cb,passin);
1105                 }
1106         else
1107                 {
1108                 BIO_printf(bio_err,"bad input format specified for key\n");
1109                 goto end;
1110                 }
1111 end:
1112         if (key != NULL) BIO_free(key);
1113         if (pkey == NULL)
1114                 BIO_printf(bio_err,"unable to load Private Key\n");
1115         return(pkey);
1116         }
1117
1118 static X509 *load_cert(char *file, int format)
1119         {
1120         ASN1_HEADER *ah=NULL;
1121         BUF_MEM *buf=NULL;
1122         X509 *x=NULL;
1123         BIO *cert;
1124
1125         if ((cert=BIO_new(BIO_s_file())) == NULL)
1126                 {
1127                 ERR_print_errors(bio_err);
1128                 goto end;
1129                 }
1130
1131         if (file == NULL)
1132                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
1133         else
1134                 {
1135                 if (BIO_read_filename(cert,file) <= 0)
1136                         {
1137                         perror(file);
1138                         goto end;
1139                         }
1140                 }
1141         if      (format == FORMAT_ASN1)
1142                 x=d2i_X509_bio(cert,NULL);
1143         else if (format == FORMAT_NETSCAPE)
1144                 {
1145                 unsigned char *p,*op;
1146                 int size=0,i;
1147
1148                 /* We sort of have to do it this way because it is sort of nice
1149                  * to read the header first and check it, then
1150                  * try to read the certificate */
1151                 buf=BUF_MEM_new();
1152                 for (;;)
1153                         {
1154                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
1155                                 goto end;
1156                         i=BIO_read(cert,&(buf->data[size]),1024*10);
1157                         size+=i;
1158                         if (i == 0) break;
1159                         if (i < 0)
1160                                 {
1161                                 perror("reading certificate");
1162                                 goto end;
1163                                 }
1164                         }
1165                 p=(unsigned char *)buf->data;
1166                 op=p;
1167
1168                 /* First load the header */
1169                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
1170                         goto end;
1171                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1172                         (strncmp(CERT_HDR,(char *)ah->header->data,
1173                         ah->header->length) != 0))
1174                         {
1175                         BIO_printf(bio_err,"Error reading header on certificate\n");
1176                         goto end;
1177                         }
1178                 /* header is ok, so now read the object */
1179                 p=op;
1180                 ah->meth=X509_asn1_meth();
1181                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1182                         goto end;
1183                 x=(X509 *)ah->data;
1184                 ah->data=NULL;
1185                 }
1186         else if (format == FORMAT_PEM)
1187                 x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
1188         else    {
1189                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1190                 goto end;
1191                 }
1192 end:
1193         if (x == NULL)
1194                 {
1195                 BIO_printf(bio_err,"unable to load certificate\n");
1196                 ERR_print_errors(bio_err);
1197                 }
1198         if (ah != NULL) ASN1_HEADER_free(ah);
1199         if (cert != NULL) BIO_free(cert);
1200         if (buf != NULL) BUF_MEM_free(buf);
1201         return(x);
1202         }
1203
1204 /* self sign */
1205 static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest, 
1206                                                 LHASH *conf, char *section)
1207         {
1208
1209         EVP_PKEY *pktmp;
1210
1211         pktmp = X509_get_pubkey(x);
1212         EVP_PKEY_copy_parameters(pktmp,pkey);
1213         EVP_PKEY_save_parameters(pktmp,1);
1214         EVP_PKEY_free(pktmp);
1215
1216         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1217         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1218
1219         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1220         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1221         /* 28 days to be certified */
1222
1223         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1224                 goto err;
1225
1226         if (!X509_set_pubkey(x,pkey)) goto err;
1227         if(conf) {
1228                 X509V3_CTX ctx;
1229                 X509_set_version(x,2); /* version 3 certificate */
1230                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1231                 X509V3_set_conf_lhash(&ctx, conf);
1232                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1233         }
1234         if (!X509_sign(x,pkey,digest)) goto err;
1235         return(1);
1236 err:
1237         ERR_print_errors(bio_err);
1238         return(0);
1239         }
1240
1241 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1242 {
1243         int id, i, idret;
1244         char *pname;
1245         id = X509_PURPOSE_get_id(pt);
1246         pname = X509_PURPOSE_iget_name(pt);
1247         for(i = 0; i < 2; i++) {
1248                 idret = X509_check_purpose(cert, id, i);
1249                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1250                 if(idret == 1) BIO_printf(bio, "Yes\n");
1251                 else if (idret == 0) BIO_printf(bio, "No\n");
1252                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1253         }
1254         return 1;
1255 }
1256
1257
1258