Initialise.
[openssl.git] / apps / x509.c
1 /* apps/x509.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  * 
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  * 
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from 
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  * 
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * 
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58
59 #include <assert.h>
60 #include <stdio.h>
61 #include <stdlib.h>
62 #include <string.h>
63 #ifdef NO_STDIO
64 #define APPS_WIN16
65 #endif
66 #include "apps.h"
67 #include <openssl/bio.h>
68 #include <openssl/asn1.h>
69 #include <openssl/err.h>
70 #include <openssl/bn.h>
71 #include <openssl/evp.h>
72 #include <openssl/x509.h>
73 #include <openssl/x509v3.h>
74 #include <openssl/objects.h>
75 #include <openssl/pem.h>
76
77 #undef PROG
78 #define PROG x509_main
79
80 #undef POSTFIX
81 #define POSTFIX ".srl"
82 #define DEF_DAYS        30
83
84 #define CERT_HDR        "certificate"
85
86 static char *x509_usage[]={
87 "usage: x509 args\n",
88 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
89 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
90 " -keyform arg    - private key format - default PEM\n",
91 " -CAform arg     - CA format - default PEM\n",
92 " -CAkeyform arg  - CA key format - default PEM\n",
93 " -in arg         - input file - default stdin\n",
94 " -out arg        - output file - default stdout\n",
95 " -passin arg     - private key password source\n",
96 " -serial         - print serial number value\n",
97 " -hash           - print hash value\n",
98 " -subject        - print subject DN\n",
99 " -issuer         - print issuer DN\n",
100 " -startdate      - notBefore field\n",
101 " -enddate        - notAfter field\n",
102 " -purpose        - print out certificate purposes\n",
103 " -dates          - both Before and After dates\n",
104 " -modulus        - print the RSA key modulus\n",
105 " -pubkey         - output the public key\n",
106 " -fingerprint    - print the certificate fingerprint\n",
107 " -alias          - output certificate alias\n",
108 " -noout          - no certificate output\n",
109 " -trustout       - output a \"trusted\" certificate\n",
110 " -clrtrust       - clear all trusted purposes\n",
111 " -clrreject      - clear all rejected purposes\n",
112 " -addtrust arg   - trust certificate for a given purpose\n",
113 " -addreject arg  - reject certificate for a given purpose\n",
114 " -setalias arg   - set certificate alias\n",
115 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
116 " -signkey arg    - self sign cert with arg\n",
117 " -x509toreq      - output a certification request object\n",
118 " -req            - input is a certificate request, sign and output.\n",
119 " -CA arg         - set the CA certificate, must be PEM format.\n",
120 " -CAkey arg      - set the CA key, must be PEM format\n",
121 "                   missing, it is assumed to be in the CA file.\n",
122 " -CAcreateserial - create serial number file if it does not exist\n",
123 " -CAserial       - serial file\n",
124 " -text           - print the certificate in text form\n",
125 " -C              - print out C code forms\n",
126 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
127 " -extfile        - configuration file with X509V3 extensions to add\n",
128 " -extensions     - section from config file with X509V3 extensions to add\n",
129 " -clrext         - delete extensions before signing and input certificate\n",
130 NULL
131 };
132
133 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
134 static EVP_PKEY *load_key(char *file, int format, char *passin);
135 static X509 *load_cert(char *file, int format);
136 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
137                                                 LHASH *conf, char *section);
138 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
139                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
140                          int create,int days, int clrext, LHASH *conf, char *section);
141 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
142 static int reqfile=0;
143
144 int MAIN(int, char **);
145
146 int MAIN(int argc, char **argv)
147         {
148         int ret=1;
149         X509_REQ *req=NULL;
150         X509 *x=NULL,*xca=NULL;
151         ASN1_OBJECT *objtmp;
152         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
153         int i,num,badops=0;
154         BIO *out=NULL;
155         BIO *STDout=NULL;
156         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
157         int informat,outformat,keyformat,CAformat,CAkeyformat;
158         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
159         char *CAkeyfile=NULL,*CAserial=NULL;
160         char *alias=NULL;
161         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
162         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
163         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
164         int C=0;
165         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
166         int pprint = 0;
167         char **pp;
168         X509_STORE *ctx=NULL;
169         X509_REQ *rq=NULL;
170         int fingerprint=0;
171         char buf[256];
172         const EVP_MD *md_alg,*digest=EVP_md5();
173         LHASH *extconf = NULL;
174         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
175         int need_rand = 0;
176
177         reqfile=0;
178
179         apps_startup();
180
181         if (bio_err == NULL)
182                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
183         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
184
185         informat=FORMAT_PEM;
186         outformat=FORMAT_PEM;
187         keyformat=FORMAT_PEM;
188         CAformat=FORMAT_PEM;
189         CAkeyformat=FORMAT_PEM;
190
191         ctx=X509_STORE_new();
192         if (ctx == NULL) goto end;
193         X509_STORE_set_verify_cb_func(ctx,callb);
194
195         argc--;
196         argv++;
197         num=0;
198         while (argc >= 1)
199                 {
200                 if      (strcmp(*argv,"-inform") == 0)
201                         {
202                         if (--argc < 1) goto bad;
203                         informat=str2fmt(*(++argv));
204                         }
205                 else if (strcmp(*argv,"-outform") == 0)
206                         {
207                         if (--argc < 1) goto bad;
208                         outformat=str2fmt(*(++argv));
209                         }
210                 else if (strcmp(*argv,"-keyform") == 0)
211                         {
212                         if (--argc < 1) goto bad;
213                         keyformat=str2fmt(*(++argv));
214                         }
215                 else if (strcmp(*argv,"-req") == 0)
216                         {
217                         reqfile=1;
218                         need_rand = 1;
219                         }
220                 else if (strcmp(*argv,"-CAform") == 0)
221                         {
222                         if (--argc < 1) goto bad;
223                         CAformat=str2fmt(*(++argv));
224                         }
225                 else if (strcmp(*argv,"-CAkeyform") == 0)
226                         {
227                         if (--argc < 1) goto bad;
228                         CAformat=str2fmt(*(++argv));
229                         }
230                 else if (strcmp(*argv,"-days") == 0)
231                         {
232                         if (--argc < 1) goto bad;
233                         days=atoi(*(++argv));
234                         if (days == 0)
235                                 {
236                                 BIO_printf(STDout,"bad number of days\n");
237                                 goto bad;
238                                 }
239                         }
240                 else if (strcmp(*argv,"-passin") == 0)
241                         {
242                         if (--argc < 1) goto bad;
243                         passargin= *(++argv);
244                         }
245                 else if (strcmp(*argv,"-extfile") == 0)
246                         {
247                         if (--argc < 1) goto bad;
248                         extfile= *(++argv);
249                         }
250                 else if (strcmp(*argv,"-extensions") == 0)
251                         {
252                         if (--argc < 1) goto bad;
253                         extsect= *(++argv);
254                         }
255                 else if (strcmp(*argv,"-in") == 0)
256                         {
257                         if (--argc < 1) goto bad;
258                         infile= *(++argv);
259                         }
260                 else if (strcmp(*argv,"-out") == 0)
261                         {
262                         if (--argc < 1) goto bad;
263                         outfile= *(++argv);
264                         }
265                 else if (strcmp(*argv,"-signkey") == 0)
266                         {
267                         if (--argc < 1) goto bad;
268                         keyfile= *(++argv);
269                         sign_flag= ++num;
270                         need_rand = 1;
271                         }
272                 else if (strcmp(*argv,"-CA") == 0)
273                         {
274                         if (--argc < 1) goto bad;
275                         CAfile= *(++argv);
276                         CA_flag= ++num;
277                         need_rand = 1;
278                         }
279                 else if (strcmp(*argv,"-CAkey") == 0)
280                         {
281                         if (--argc < 1) goto bad;
282                         CAkeyfile= *(++argv);
283                         }
284                 else if (strcmp(*argv,"-CAserial") == 0)
285                         {
286                         if (--argc < 1) goto bad;
287                         CAserial= *(++argv);
288                         }
289                 else if (strcmp(*argv,"-addtrust") == 0)
290                         {
291                         if (--argc < 1) goto bad;
292                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
293                                 BIO_printf(bio_err,
294                                         "Invalid trust object value %s\n", *argv);
295                                 goto bad;
296                         }
297                         if(!trust) trust = sk_ASN1_OBJECT_new_null();
298                         sk_ASN1_OBJECT_push(trust, objtmp);
299                         trustout = 1;
300                         }
301                 else if (strcmp(*argv,"-addreject") == 0)
302                         {
303                         if (--argc < 1) goto bad;
304                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
305                                 BIO_printf(bio_err,
306                                         "Invalid reject object value %s\n", *argv);
307                                 goto bad;
308                         }
309                         if(!reject) reject = sk_ASN1_OBJECT_new_null();
310                         sk_ASN1_OBJECT_push(reject, objtmp);
311                         trustout = 1;
312                         }
313                 else if (strcmp(*argv,"-setalias") == 0)
314                         {
315                         if (--argc < 1) goto bad;
316                         alias= *(++argv);
317                         trustout = 1;
318                         }
319                 else if (strcmp(*argv,"-setalias") == 0)
320                         {
321                         if (--argc < 1) goto bad;
322                         alias= *(++argv);
323                         trustout = 1;
324                         }
325                 else if (strcmp(*argv,"-C") == 0)
326                         C= ++num;
327                 else if (strcmp(*argv,"-serial") == 0)
328                         serial= ++num;
329                 else if (strcmp(*argv,"-modulus") == 0)
330                         modulus= ++num;
331                 else if (strcmp(*argv,"-pubkey") == 0)
332                         pubkey= ++num;
333                 else if (strcmp(*argv,"-x509toreq") == 0)
334                         x509req= ++num;
335                 else if (strcmp(*argv,"-text") == 0)
336                         text= ++num;
337                 else if (strcmp(*argv,"-hash") == 0)
338                         hash= ++num;
339                 else if (strcmp(*argv,"-subject") == 0)
340                         subject= ++num;
341                 else if (strcmp(*argv,"-issuer") == 0)
342                         issuer= ++num;
343                 else if (strcmp(*argv,"-fingerprint") == 0)
344                         fingerprint= ++num;
345                 else if (strcmp(*argv,"-dates") == 0)
346                         {
347                         startdate= ++num;
348                         enddate= ++num;
349                         }
350                 else if (strcmp(*argv,"-purpose") == 0)
351                         pprint= ++num;
352                 else if (strcmp(*argv,"-startdate") == 0)
353                         startdate= ++num;
354                 else if (strcmp(*argv,"-enddate") == 0)
355                         enddate= ++num;
356                 else if (strcmp(*argv,"-noout") == 0)
357                         noout= ++num;
358                 else if (strcmp(*argv,"-trustout") == 0)
359                         trustout= 1;
360                 else if (strcmp(*argv,"-clrtrust") == 0)
361                         clrtrust= ++num;
362                 else if (strcmp(*argv,"-clrreject") == 0)
363                         clrreject= ++num;
364                 else if (strcmp(*argv,"-alias") == 0)
365                         aliasout= ++num;
366                 else if (strcmp(*argv,"-CAcreateserial") == 0)
367                         CA_createserial= ++num;
368                 else if (strcmp(*argv,"-clrext") == 0)
369                         clrext = 1;
370 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
371                 else if (strcmp(*argv,"-crlext") == 0)
372                         {
373                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
374                         clrext = 1;
375                         }
376 #endif
377                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
378                         {
379                         /* ok */
380                         digest=md_alg;
381                         }
382                 else
383                         {
384                         BIO_printf(bio_err,"unknown option %s\n",*argv);
385                         badops=1;
386                         break;
387                         }
388                 argc--;
389                 argv++;
390                 }
391
392         if (badops)
393                 {
394 bad:
395                 for (pp=x509_usage; (*pp != NULL); pp++)
396                         BIO_printf(bio_err,*pp);
397                 goto end;
398                 }
399
400         if (need_rand)
401                 app_RAND_load_file(NULL, bio_err, 0);
402
403         ERR_load_crypto_strings();
404
405         if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
406                 BIO_printf(bio_err, "Error getting password\n");
407                 goto end;
408         }
409
410         if (!X509_STORE_set_default_paths(ctx))
411                 {
412                 ERR_print_errors(bio_err);
413                 goto end;
414                 }
415
416         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
417                 { CAkeyfile=CAfile; }
418         else if ((CA_flag) && (CAkeyfile == NULL))
419                 {
420                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
421                 goto end;
422                 }
423
424         if (extfile) {
425                 long errorline;
426                 X509V3_CTX ctx2;
427                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
428                         if (errorline <= 0)
429                                 BIO_printf(bio_err,
430                                         "error loading the config file '%s'\n",
431                                                                 extfile);
432                         else
433                                 BIO_printf(bio_err,
434                                        "error on line %ld of config file '%s'\n"
435                                                         ,errorline,extfile);
436                         goto end;
437                 }
438                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
439                                          "extensions"))) extsect = "default";
440                 X509V3_set_ctx_test(&ctx2);
441                 X509V3_set_conf_lhash(&ctx2, extconf);
442                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
443                         BIO_printf(bio_err,
444                                 "Error Loading extension section %s\n",
445                                                                  extsect);
446                         ERR_print_errors(bio_err);
447                         goto end;
448                 }
449         } 
450
451
452         if (reqfile)
453                 {
454                 EVP_PKEY *pkey;
455                 X509_CINF *ci;
456                 BIO *in;
457
458                 if (!sign_flag && !CA_flag)
459                         {
460                         BIO_printf(bio_err,"We need a private key to sign with\n");
461                         goto end;
462                         }
463                 in=BIO_new(BIO_s_file());
464                 if (in == NULL)
465                         {
466                         ERR_print_errors(bio_err);
467                         goto end;
468                         }
469
470                 if (infile == NULL)
471                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
472                 else
473                         {
474                         if (BIO_read_filename(in,infile) <= 0)
475                                 {
476                                 perror(infile);
477                                 goto end;
478                                 }
479                         }
480                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
481                 BIO_free(in);
482
483                 if (req == NULL) { perror(infile); goto end; }
484
485                 if (    (req->req_info == NULL) ||
486                         (req->req_info->pubkey == NULL) ||
487                         (req->req_info->pubkey->public_key == NULL) ||
488                         (req->req_info->pubkey->public_key->data == NULL))
489                         {
490                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
491                         BIO_printf(bio_err,"It does not contain a public key\n");
492                         goto end;
493                         }
494                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
495                         {
496                         BIO_printf(bio_err,"error unpacking public key\n");
497                         goto end;
498                         }
499                 i=X509_REQ_verify(req,pkey);
500                 EVP_PKEY_free(pkey);
501                 if (i < 0)
502                         {
503                         BIO_printf(bio_err,"Signature verification error\n");
504                         ERR_print_errors(bio_err);
505                         goto end;
506                         }
507                 if (i == 0)
508                         {
509                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
510                         goto end;
511                         }
512                 else
513                         BIO_printf(bio_err,"Signature ok\n");
514                 
515                 X509_NAME_oneline(req->req_info->subject,buf,256);
516                 BIO_printf(bio_err,"subject=%s\n",buf);
517
518                 if ((x=X509_new()) == NULL) goto end;
519                 ci=x->cert_info;
520
521                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
522                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
523                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
524
525                 X509_gmtime_adj(X509_get_notBefore(x),0);
526                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
527
528                 pkey = X509_REQ_get_pubkey(req);
529                 X509_set_pubkey(x,pkey);
530                 EVP_PKEY_free(pkey);
531                 }
532         else
533                 x=load_cert(infile,informat);
534
535         if (x == NULL) goto end;
536         if (CA_flag)
537                 {
538                 xca=load_cert(CAfile,CAformat);
539                 if (xca == NULL) goto end;
540                 }
541
542         if (!noout || text)
543                 {
544                 OBJ_create("2.99999.3",
545                         "SET.ex3","SET x509v3 extension 3");
546
547                 out=BIO_new(BIO_s_file());
548                 if (out == NULL)
549                         {
550                         ERR_print_errors(bio_err);
551                         goto end;
552                         }
553                 if (outfile == NULL)
554                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
555                 else
556                         {
557                         if (BIO_write_filename(out,outfile) <= 0)
558                                 {
559                                 perror(outfile);
560                                 goto end;
561                                 }
562                         }
563                 }
564
565         if(alias) X509_alias_set1(x, (unsigned char *)alias, -1);
566
567         if(clrtrust) X509_trust_clear(x);
568         if(clrreject) X509_reject_clear(x);
569
570         if(trust) {
571                 for(i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
572                         objtmp = sk_ASN1_OBJECT_value(trust, i);
573                         X509_add1_trust_object(x, objtmp);
574                 }
575         }
576
577         if(reject) {
578                 for(i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
579                         objtmp = sk_ASN1_OBJECT_value(reject, i);
580                         X509_add1_reject_object(x, objtmp);
581                 }
582         }
583
584         if (num)
585                 {
586                 for (i=1; i<=num; i++)
587                         {
588                         if (issuer == i)
589                                 {
590                                 X509_NAME_oneline(X509_get_issuer_name(x),
591                                         buf,256);
592                                 BIO_printf(STDout,"issuer= %s\n",buf);
593                                 }
594                         else if (subject == i) 
595                                 {
596                                 X509_NAME_oneline(X509_get_subject_name(x),
597                                         buf,256);
598                                 BIO_printf(STDout,"subject=%s\n",buf);
599                                 }
600                         else if (serial == i)
601                                 {
602                                 BIO_printf(STDout,"serial=");
603                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
604                                 BIO_printf(STDout,"\n");
605                                 }
606                         else if (aliasout == i)
607                                 {
608                                 unsigned char *alstr;
609                                 alstr = X509_alias_get0(x, NULL);
610                                 if(alstr) BIO_printf(STDout,"%s\n", alstr);
611                                 else BIO_puts(STDout,"<No Alias>\n");
612                                 }
613                         else if (hash == i)
614                                 {
615                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
616                                 }
617                         else if (pprint == i)
618                                 {
619                                 X509_PURPOSE *ptmp;
620                                 int j;
621                                 BIO_printf(STDout, "Certificate purposes:\n");
622                                 for(j = 0; j < X509_PURPOSE_get_count(); j++)
623                                         {
624                                         ptmp = X509_PURPOSE_get0(j);
625                                         purpose_print(STDout, x, ptmp);
626                                         }
627                                 }
628                         else
629                                 if (modulus == i)
630                                 {
631                                 EVP_PKEY *pkey;
632
633                                 pkey=X509_get_pubkey(x);
634                                 if (pkey == NULL)
635                                         {
636                                         BIO_printf(bio_err,"Modulus=unavailable\n");
637                                         ERR_print_errors(bio_err);
638                                         goto end;
639                                         }
640                                 BIO_printf(STDout,"Modulus=");
641 #ifndef NO_RSA
642                                 if (pkey->type == EVP_PKEY_RSA)
643                                         BN_print(STDout,pkey->pkey.rsa->n);
644                                 else
645 #endif
646 #ifndef NO_DSA
647                                 if (pkey->type == EVP_PKEY_DSA)
648                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
649                                 else
650 #endif
651                                         BIO_printf(STDout,"Wrong Algorithm type");
652                                 BIO_printf(STDout,"\n");
653                                 EVP_PKEY_free(pkey);
654                                 }
655                         else
656                                 if (pubkey == i)
657                                 {
658                                 EVP_PKEY *pkey;
659
660                                 pkey=X509_get_pubkey(x);
661                                 if (pkey == NULL)
662                                         {
663                                         BIO_printf(bio_err,"Error getting public key\n");
664                                         ERR_print_errors(bio_err);
665                                         goto end;
666                                         }
667                                 PEM_write_bio_PUBKEY(STDout, pkey);
668                                 EVP_PKEY_free(pkey);
669                                 }
670                         else
671                                 if (C == i)
672                                 {
673                                 unsigned char *d;
674                                 char *m;
675                                 int y,z;
676
677                                 X509_NAME_oneline(X509_get_subject_name(x),
678                                         buf,256);
679                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
680                                 m=X509_NAME_oneline(
681                                         X509_get_issuer_name(x),buf,256);
682                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
683
684                                 z=i2d_X509(x,NULL);
685                                 m=Malloc(z);
686
687                                 d=(unsigned char *)m;
688                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
689                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
690                                 d=(unsigned char *)m;
691                                 for (y=0; y<z; y++)
692                                         {
693                                         BIO_printf(STDout,"0x%02X,",d[y]);
694                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
695                                         }
696                                 if (y%16 != 0) BIO_printf(STDout,"\n");
697                                 BIO_printf(STDout,"};\n");
698
699                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
700                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
701                                 d=(unsigned char *)m;
702                                 for (y=0; y<z; y++)
703                                         {
704                                         BIO_printf(STDout,"0x%02X,",d[y]);
705                                         if ((y & 0x0f) == 0x0f)
706                                                 BIO_printf(STDout,"\n");
707                                         }
708                                 if (y%16 != 0) BIO_printf(STDout,"\n");
709                                 BIO_printf(STDout,"};\n");
710
711                                 z=i2d_X509(x,&d);
712                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
713                                 d=(unsigned char *)m;
714                                 for (y=0; y<z; y++)
715                                         {
716                                         BIO_printf(STDout,"0x%02X,",d[y]);
717                                         if ((y & 0x0f) == 0x0f)
718                                                 BIO_printf(STDout,"\n");
719                                         }
720                                 if (y%16 != 0) BIO_printf(STDout,"\n");
721                                 BIO_printf(STDout,"};\n");
722
723                                 Free(m);
724                                 }
725                         else if (text == i)
726                                 {
727                                 X509_print(out,x);
728                                 }
729                         else if (startdate == i)
730                                 {
731                                 BIO_puts(STDout,"notBefore=");
732                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
733                                 BIO_puts(STDout,"\n");
734                                 }
735                         else if (enddate == i)
736                                 {
737                                 BIO_puts(STDout,"notAfter=");
738                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
739                                 BIO_puts(STDout,"\n");
740                                 }
741                         else if (fingerprint == i)
742                                 {
743                                 int j;
744                                 unsigned int n;
745                                 unsigned char md[EVP_MAX_MD_SIZE];
746
747                                 if (!X509_digest(x,digest,md,&n))
748                                         {
749                                         BIO_printf(bio_err,"out of memory\n");
750                                         goto end;
751                                         }
752                                 BIO_printf(STDout,"%s Fingerprint=",
753                                                 OBJ_nid2sn(EVP_MD_type(digest)));
754                                 for (j=0; j<(int)n; j++)
755                                         {
756                                         BIO_printf(STDout,"%02X%c",md[j],
757                                                 (j+1 == (int)n)
758                                                 ?'\n':':');
759                                         }
760                                 }
761
762                         /* should be in the library */
763                         else if ((sign_flag == i) && (x509req == 0))
764                                 {
765                                 BIO_printf(bio_err,"Getting Private key\n");
766                                 if (Upkey == NULL)
767                                         {
768                                         Upkey=load_key(keyfile,keyformat, passin);
769                                         if (Upkey == NULL) goto end;
770                                         }
771 #ifndef NO_DSA
772                                 if (Upkey->type == EVP_PKEY_DSA)
773                                         digest=EVP_dss1();
774 #endif
775
776                                 assert(need_rand);
777                                 if (!sign(x,Upkey,days,clrext,digest,
778                                                  extconf, extsect)) goto end;
779                                 }
780                         else if (CA_flag == i)
781                                 {
782                                 BIO_printf(bio_err,"Getting CA Private Key\n");
783                                 if (CAkeyfile != NULL)
784                                         {
785                                         CApkey=load_key(CAkeyfile,CAkeyformat, passin);
786                                         if (CApkey == NULL) goto end;
787                                         }
788 #ifndef NO_DSA
789                                 if (CApkey->type == EVP_PKEY_DSA)
790                                         digest=EVP_dss1();
791 #endif
792                                 
793                                 assert(need_rand);
794                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
795                                         CApkey, CAserial,CA_createserial,days, clrext,
796                                         extconf, extsect))
797                                         goto end;
798                                 }
799                         else if (x509req == i)
800                                 {
801                                 EVP_PKEY *pk;
802
803                                 BIO_printf(bio_err,"Getting request Private Key\n");
804                                 if (keyfile == NULL)
805                                         {
806                                         BIO_printf(bio_err,"no request key file specified\n");
807                                         goto end;
808                                         }
809                                 else
810                                         {
811                                         pk=load_key(keyfile,FORMAT_PEM, passin);
812                                         if (pk == NULL) goto end;
813                                         }
814
815                                 BIO_printf(bio_err,"Generating certificate request\n");
816
817                                 if (pk->type == EVP_PKEY_DSA)
818                                         digest=EVP_dss1();
819
820                                 rq=X509_to_X509_REQ(x,pk,digest);
821                                 EVP_PKEY_free(pk);
822                                 if (rq == NULL)
823                                         {
824                                         ERR_print_errors(bio_err);
825                                         goto end;
826                                         }
827                                 if (!noout)
828                                         {
829                                         X509_REQ_print(out,rq);
830                                         PEM_write_bio_X509_REQ(out,rq);
831                                         }
832                                 noout=1;
833                                 }
834                         }
835                 }
836
837         if (noout)
838                 {
839                 ret=0;
840                 goto end;
841                 }
842
843         if      (outformat == FORMAT_ASN1)
844                 i=i2d_X509_bio(out,x);
845         else if (outformat == FORMAT_PEM) {
846                 if(trustout) i=PEM_write_bio_X509_AUX(out,x);
847                 else i=PEM_write_bio_X509(out,x);
848         } else if (outformat == FORMAT_NETSCAPE)
849                 {
850                 ASN1_HEADER ah;
851                 ASN1_OCTET_STRING os;
852
853                 os.data=(unsigned char *)CERT_HDR;
854                 os.length=strlen(CERT_HDR);
855                 ah.header= &os;
856                 ah.data=(char *)x;
857                 ah.meth=X509_asn1_meth();
858
859                 /* no macro for this one yet */
860                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
861                 }
862         else    {
863                 BIO_printf(bio_err,"bad output format specified for outfile\n");
864                 goto end;
865                 }
866         if (!i) {
867                 BIO_printf(bio_err,"unable to write certificate\n");
868                 ERR_print_errors(bio_err);
869                 goto end;
870                 }
871         ret=0;
872 end:
873         if (need_rand)
874                 app_RAND_write_file(NULL, bio_err);
875         OBJ_cleanup();
876         CONF_free(extconf);
877         BIO_free(out);
878         BIO_free(STDout);
879         X509_STORE_free(ctx);
880         X509_REQ_free(req);
881         X509_free(x);
882         X509_free(xca);
883         EVP_PKEY_free(Upkey);
884         EVP_PKEY_free(CApkey);
885         X509_REQ_free(rq);
886         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
887         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
888         if(passin) Free(passin);
889         EXIT(ret);
890         }
891
892 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
893              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
894              int days, int clrext, LHASH *conf, char *section)
895         {
896         int ret=0;
897         BIO *io=NULL;
898         MS_STATIC char buf2[1024];
899         char *buf=NULL,*p;
900         BIGNUM *serial=NULL;
901         ASN1_INTEGER *bs=NULL,bs2;
902         X509_STORE_CTX xsc;
903         EVP_PKEY *upkey;
904
905         upkey = X509_get_pubkey(xca);
906         EVP_PKEY_copy_parameters(upkey,pkey);
907         EVP_PKEY_free(upkey);
908
909         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
910         buf=Malloc(EVP_PKEY_size(pkey)*2+
911                 ((serialfile == NULL)
912                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
913                         :(strlen(serialfile)))+1);
914         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
915         if (serialfile == NULL)
916                 {
917                 strcpy(buf,CAfile);
918                 for (p=buf; *p; p++)
919                         if (*p == '.')
920                                 {
921                                 *p='\0';
922                                 break;
923                                 }
924                 strcat(buf,POSTFIX);
925                 }
926         else
927                 strcpy(buf,serialfile);
928         serial=BN_new();
929         bs=ASN1_INTEGER_new();
930         if ((serial == NULL) || (bs == NULL))
931                 {
932                 ERR_print_errors(bio_err);
933                 goto end;
934                 }
935
936         io=BIO_new(BIO_s_file());
937         if (io == NULL)
938                 {
939                 ERR_print_errors(bio_err);
940                 goto end;
941                 }
942         
943         if (BIO_read_filename(io,buf) <= 0)
944                 {
945                 if (!create)
946                         {
947                         perror(buf);
948                         goto end;
949                         }
950                 else
951                         {
952                         ASN1_INTEGER_set(bs,1);
953                         BN_one(serial);
954                         }
955                 }
956         else 
957                 {
958                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
959                         {
960                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
961                         ERR_print_errors(bio_err);
962                         goto end;
963                         }
964                 else
965                         {
966                         serial=BN_bin2bn(bs->data,bs->length,serial);
967                         if (serial == NULL)
968                                 {
969                                 BIO_printf(bio_err,"error converting bin 2 bn");
970                                 goto end;
971                                 }
972                         }
973                 }
974
975         if (!BN_add_word(serial,1))
976                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
977         bs2.data=(unsigned char *)buf2;
978         bs2.length=BN_bn2bin(serial,bs2.data);
979
980         if (BIO_write_filename(io,buf) <= 0)
981                 {
982                 BIO_printf(bio_err,"error attempting to write serial number file\n");
983                 perror(buf);
984                 goto end;
985                 }
986         i2a_ASN1_INTEGER(io,&bs2);
987         BIO_puts(io,"\n");
988         BIO_free(io);
989         io=NULL;
990         
991         if (!X509_STORE_add_cert(ctx,x)) goto end;
992
993         /* NOTE: this certificate can/should be self signed, unless it was
994          * a certificate request in which case it is not. */
995         X509_STORE_CTX_set_cert(&xsc,x);
996         if (!reqfile && !X509_verify_cert(&xsc))
997                 goto end;
998
999         if (!X509_check_private_key(xca,pkey))
1000                 {
1001                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1002                 goto end;
1003                 }
1004
1005         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1006         if (!X509_set_serialNumber(x,bs)) goto end;
1007
1008         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1009                 goto end;
1010
1011         /* hardwired expired */
1012         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1013                 goto end;
1014
1015         if(clrext) {
1016                 while(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1017         }
1018
1019         if(conf) {
1020                 X509V3_CTX ctx2;
1021                 X509_set_version(x,2); /* version 3 certificate */
1022                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1023                 X509V3_set_conf_lhash(&ctx2, conf);
1024                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1025         }
1026
1027         if (!X509_sign(x,pkey,digest)) goto end;
1028         ret=1;
1029 end:
1030         X509_STORE_CTX_cleanup(&xsc);
1031         if (!ret)
1032                 ERR_print_errors(bio_err);
1033         if (buf != NULL) Free(buf);
1034         if (bs != NULL) ASN1_INTEGER_free(bs);
1035         if (io != NULL) BIO_free(io);
1036         if (serial != NULL) BN_free(serial);
1037         return(ret);
1038         }
1039
1040 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1041         {
1042         char buf[256];
1043         int err;
1044         X509 *err_cert;
1045
1046         /* it is ok to use a self signed certificate
1047          * This case will catch both the initial ok == 0 and the
1048          * final ok == 1 calls to this function */
1049         err=X509_STORE_CTX_get_error(ctx);
1050         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1051                 return(1);
1052
1053         /* BAD we should have gotten an error.  Normally if everything
1054          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1055          * DEPTH_ZERO_SELF_.... */
1056         if (ok)
1057                 {
1058                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1059                 return(0);
1060                 }
1061         else
1062                 {
1063                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1064                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
1065                 BIO_printf(bio_err,"%s\n",buf);
1066                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1067                         err,X509_STORE_CTX_get_error_depth(ctx),
1068                         X509_verify_cert_error_string(err));
1069                 return(1);
1070                 }
1071         }
1072
1073 static EVP_PKEY *load_key(char *file, int format, char *passin)
1074         {
1075         BIO *key=NULL;
1076         EVP_PKEY *pkey=NULL;
1077
1078         if (file == NULL)
1079                 {
1080                 BIO_printf(bio_err,"no keyfile specified\n");
1081                 goto end;
1082                 }
1083         key=BIO_new(BIO_s_file());
1084         if (key == NULL)
1085                 {
1086                 ERR_print_errors(bio_err);
1087                 goto end;
1088                 }
1089         if (BIO_read_filename(key,file) <= 0)
1090                 {
1091                 perror(file);
1092                 goto end;
1093                 }
1094         if (format == FORMAT_ASN1)
1095                 {
1096                 pkey=d2i_PrivateKey_bio(key, NULL);
1097                 }
1098         else if (format == FORMAT_PEM)
1099                 {
1100                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,passin);
1101                 }
1102         else
1103                 {
1104                 BIO_printf(bio_err,"bad input format specified for key\n");
1105                 goto end;
1106                 }
1107 end:
1108         if (key != NULL) BIO_free(key);
1109         if (pkey == NULL)
1110                 BIO_printf(bio_err,"unable to load Private Key\n");
1111         return(pkey);
1112         }
1113
1114 static X509 *load_cert(char *file, int format)
1115         {
1116         ASN1_HEADER *ah=NULL;
1117         BUF_MEM *buf=NULL;
1118         X509 *x=NULL;
1119         BIO *cert;
1120
1121         if ((cert=BIO_new(BIO_s_file())) == NULL)
1122                 {
1123                 ERR_print_errors(bio_err);
1124                 goto end;
1125                 }
1126
1127         if (file == NULL)
1128                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
1129         else
1130                 {
1131                 if (BIO_read_filename(cert,file) <= 0)
1132                         {
1133                         perror(file);
1134                         goto end;
1135                         }
1136                 }
1137         if      (format == FORMAT_ASN1)
1138                 x=d2i_X509_bio(cert,NULL);
1139         else if (format == FORMAT_NETSCAPE)
1140                 {
1141                 unsigned char *p,*op;
1142                 int size=0,i;
1143
1144                 /* We sort of have to do it this way because it is sort of nice
1145                  * to read the header first and check it, then
1146                  * try to read the certificate */
1147                 buf=BUF_MEM_new();
1148                 for (;;)
1149                         {
1150                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
1151                                 goto end;
1152                         i=BIO_read(cert,&(buf->data[size]),1024*10);
1153                         size+=i;
1154                         if (i == 0) break;
1155                         if (i < 0)
1156                                 {
1157                                 perror("reading certificate");
1158                                 goto end;
1159                                 }
1160                         }
1161                 p=(unsigned char *)buf->data;
1162                 op=p;
1163
1164                 /* First load the header */
1165                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
1166                         goto end;
1167                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1168                         (strncmp(CERT_HDR,(char *)ah->header->data,
1169                         ah->header->length) != 0))
1170                         {
1171                         BIO_printf(bio_err,"Error reading header on certificate\n");
1172                         goto end;
1173                         }
1174                 /* header is ok, so now read the object */
1175                 p=op;
1176                 ah->meth=X509_asn1_meth();
1177                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1178                         goto end;
1179                 x=(X509 *)ah->data;
1180                 ah->data=NULL;
1181                 }
1182         else if (format == FORMAT_PEM)
1183                 x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
1184         else    {
1185                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1186                 goto end;
1187                 }
1188 end:
1189         if (x == NULL)
1190                 {
1191                 BIO_printf(bio_err,"unable to load certificate\n");
1192                 ERR_print_errors(bio_err);
1193                 }
1194         if (ah != NULL) ASN1_HEADER_free(ah);
1195         if (cert != NULL) BIO_free(cert);
1196         if (buf != NULL) BUF_MEM_free(buf);
1197         return(x);
1198         }
1199
1200 /* self sign */
1201 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1202                                                 LHASH *conf, char *section)
1203         {
1204
1205         EVP_PKEY *pktmp;
1206
1207         pktmp = X509_get_pubkey(x);
1208         EVP_PKEY_copy_parameters(pktmp,pkey);
1209         EVP_PKEY_save_parameters(pktmp,1);
1210         EVP_PKEY_free(pktmp);
1211
1212         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1213         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1214
1215         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1216         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1217         /* 28 days to be certified */
1218
1219         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1220                 goto err;
1221
1222         if (!X509_set_pubkey(x,pkey)) goto err;
1223         if(clrext) {
1224                 while(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1225         }
1226         if(conf) {
1227                 X509V3_CTX ctx;
1228                 X509_set_version(x,2); /* version 3 certificate */
1229                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1230                 X509V3_set_conf_lhash(&ctx, conf);
1231                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1232         }
1233         if (!X509_sign(x,pkey,digest)) goto err;
1234         return(1);
1235 err:
1236         ERR_print_errors(bio_err);
1237         return(0);
1238         }
1239
1240 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1241 {
1242         int id, i, idret;
1243         char *pname;
1244         id = X509_PURPOSE_get_id(pt);
1245         pname = X509_PURPOSE_get0_name(pt);
1246         for(i = 0; i < 2; i++) {
1247                 idret = X509_check_purpose(cert, id, i);
1248                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1249                 if(idret == 1) BIO_printf(bio, "Yes\n");
1250                 else if (idret == 0) BIO_printf(bio, "No\n");
1251                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1252         }
1253         return 1;
1254 }
1255
1256
1257