86896088fb2d54d855d6c86869a0a9836289b7a0
[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 " -serial         - print serial number value\n",
96 " -hash           - print hash value\n",
97 " -subject        - print subject DN\n",
98 " -issuer         - print issuer DN\n",
99 " -startdate      - notBefore field\n",
100 " -enddate        - notAfter field\n",
101 " -purpose        - print out certificate purposes\n",
102 " -dates          - both Before and After dates\n",
103 " -modulus        - print the RSA key modulus\n",
104 " -pubkey         - output the public key\n",
105 " -fingerprint    - print the certificate fingerprint\n",
106 " -alias          - output certificate alias\n",
107 " -noout          - no certificate output\n",
108 " -trustout       - output a \"trusted\" certificate\n",
109 " -clrtrust       - clear all trusted purposes\n",
110 " -clrreject      - clear all rejected purposes\n",
111 " -addtrust arg   - trust certificate for a given purpose\n",
112 " -addreject arg  - reject certificate for a given purpose\n",
113 " -setalias arg   - set certificate alias\n",
114 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
115 " -signkey arg    - self sign cert with arg\n",
116 " -x509toreq      - output a certification request object\n",
117 " -req            - input is a certificate request, sign and output.\n",
118 " -CA arg         - set the CA certificate, must be PEM format.\n",
119 " -CAkey arg      - set the CA key, must be PEM format\n",
120 "                   missing, it is asssumed to be in the CA file.\n",
121 " -CAcreateserial - create serial number file if it does not exist\n",
122 " -CAserial       - serial file\n",
123 " -text           - print the certificate in text form\n",
124 " -C              - print out C code forms\n",
125 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
126 " -extfile        - configuration file with X509V3 extensions to add\n",
127 " -extensions     - section from config file with X509V3 extensions to add\n",
128 NULL
129 };
130
131 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
132 static EVP_PKEY *load_key(char *file, int format);
133 static X509 *load_cert(char *file, int format);
134 static int sign (X509 *x, EVP_PKEY *pkey,int days,const EVP_MD *digest,
135                                                 LHASH *conf, char *section);
136 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
137                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
138                          int create,int days, LHASH *conf, char *section);
139 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
140 static int reqfile=0;
141
142 int MAIN(int argc, char **argv)
143         {
144         int ret=1;
145         X509_REQ *req=NULL;
146         X509 *x=NULL,*xca=NULL;
147         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
148         int i,num,badops=0;
149         BIO *out=NULL;
150         BIO *STDout=NULL;
151         STACK *trust = NULL, *reject = NULL;
152         int informat,outformat,keyformat,CAformat,CAkeyformat;
153         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
154         char *CAkeyfile=NULL,*CAserial=NULL;
155         char *alias=NULL, *trstr=NULL;
156         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
157         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
158         int trustout=0,clrtrust=0,clrreject=0,aliasout=0;
159         int C=0;
160         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
161         int pprint = 0;
162         char **pp;
163         X509_STORE *ctx=NULL;
164         X509_REQ *rq=NULL;
165         int fingerprint=0;
166         char buf[256];
167         const EVP_MD *md_alg,*digest=EVP_md5();
168         LHASH *extconf = NULL;
169         char *extsect = NULL, *extfile = NULL;
170         int need_rand = 0;
171
172         reqfile=0;
173
174         apps_startup();
175
176         if (bio_err == NULL)
177                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
178         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
179
180         informat=FORMAT_PEM;
181         outformat=FORMAT_PEM;
182         keyformat=FORMAT_PEM;
183         CAformat=FORMAT_PEM;
184         CAkeyformat=FORMAT_PEM;
185
186         ctx=X509_STORE_new();
187         if (ctx == NULL) goto end;
188         X509_STORE_set_verify_cb_func(ctx,callb);
189
190         argc--;
191         argv++;
192         num=0;
193         while (argc >= 1)
194                 {
195                 if      (strcmp(*argv,"-inform") == 0)
196                         {
197                         if (--argc < 1) goto bad;
198                         informat=str2fmt(*(++argv));
199                         }
200                 else if (strcmp(*argv,"-outform") == 0)
201                         {
202                         if (--argc < 1) goto bad;
203                         outformat=str2fmt(*(++argv));
204                         }
205                 else if (strcmp(*argv,"-keyform") == 0)
206                         {
207                         if (--argc < 1) goto bad;
208                         keyformat=str2fmt(*(++argv));
209                         }
210                 else if (strcmp(*argv,"-req") == 0)
211                         {
212                         reqfile=1;
213                         need_rand = 1;
214                         }
215                 else if (strcmp(*argv,"-CAform") == 0)
216                         {
217                         if (--argc < 1) goto bad;
218                         CAformat=str2fmt(*(++argv));
219                         }
220                 else if (strcmp(*argv,"-CAkeyform") == 0)
221                         {
222                         if (--argc < 1) goto bad;
223                         CAformat=str2fmt(*(++argv));
224                         }
225                 else if (strcmp(*argv,"-days") == 0)
226                         {
227                         if (--argc < 1) goto bad;
228                         days=atoi(*(++argv));
229                         if (days == 0)
230                                 {
231                                 BIO_printf(STDout,"bad number of days\n");
232                                 goto bad;
233                                 }
234                         }
235                 else if (strcmp(*argv,"-extfile") == 0)
236                         {
237                         if (--argc < 1) goto bad;
238                         extfile= *(++argv);
239                         }
240                 else if (strcmp(*argv,"-extensions") == 0)
241                         {
242                         if (--argc < 1) goto bad;
243                         extsect= *(++argv);
244                         }
245                 else if (strcmp(*argv,"-in") == 0)
246                         {
247                         if (--argc < 1) goto bad;
248                         infile= *(++argv);
249                         }
250                 else if (strcmp(*argv,"-out") == 0)
251                         {
252                         if (--argc < 1) goto bad;
253                         outfile= *(++argv);
254                         }
255                 else if (strcmp(*argv,"-signkey") == 0)
256                         {
257                         if (--argc < 1) goto bad;
258                         keyfile= *(++argv);
259                         sign_flag= ++num;
260                         need_rand = 1;
261                         }
262                 else if (strcmp(*argv,"-CA") == 0)
263                         {
264                         if (--argc < 1) goto bad;
265                         CAfile= *(++argv);
266                         CA_flag= ++num;
267                         need_rand = 1;
268                         }
269                 else if (strcmp(*argv,"-CAkey") == 0)
270                         {
271                         if (--argc < 1) goto bad;
272                         CAkeyfile= *(++argv);
273                         }
274                 else if (strcmp(*argv,"-CAserial") == 0)
275                         {
276                         if (--argc < 1) goto bad;
277                         CAserial= *(++argv);
278                         }
279                 else if (strcmp(*argv,"-addtrust") == 0)
280                         {
281                         if (--argc < 1) goto bad;
282                         trstr= *(++argv);
283                         if(!X509_trust_set_bit_asc(NULL, trstr, 0)) {
284                                 BIO_printf(bio_err,
285                                         "Unknown trust value %s\n", trstr);
286                                 goto bad;
287                         }
288                         if(!trust) trust = sk_new_null();
289                         sk_push(trust, trstr);
290                         trustout = 1;
291                         }
292                 else if (strcmp(*argv,"-addreject") == 0)
293                         {
294                         if (--argc < 1) goto bad;
295                         trstr= *(++argv);
296                         if(!X509_reject_set_bit_asc(NULL, trstr, 0)) {
297                                 BIO_printf(bio_err,
298                                         "Unknown trust value %s\n", trstr);
299                                 goto bad;
300                         }
301                         if(!reject) reject = sk_new_null();
302                         sk_push(reject, trstr);
303                         trustout = 1;
304                         }
305                 else if (strcmp(*argv,"-setalias") == 0)
306                         {
307                         if (--argc < 1) goto bad;
308                         alias= *(++argv);
309                         trustout = 1;
310                         }
311                 else if (strcmp(*argv,"-setalias") == 0)
312                         {
313                         if (--argc < 1) goto bad;
314                         alias= *(++argv);
315                         trustout = 1;
316                         }
317                 else if (strcmp(*argv,"-C") == 0)
318                         C= ++num;
319                 else if (strcmp(*argv,"-serial") == 0)
320                         serial= ++num;
321                 else if (strcmp(*argv,"-modulus") == 0)
322                         modulus= ++num;
323                 else if (strcmp(*argv,"-pubkey") == 0)
324                         pubkey= ++num;
325                 else if (strcmp(*argv,"-x509toreq") == 0)
326                         x509req= ++num;
327                 else if (strcmp(*argv,"-text") == 0)
328                         text= ++num;
329                 else if (strcmp(*argv,"-hash") == 0)
330                         hash= ++num;
331                 else if (strcmp(*argv,"-subject") == 0)
332                         subject= ++num;
333                 else if (strcmp(*argv,"-issuer") == 0)
334                         issuer= ++num;
335                 else if (strcmp(*argv,"-fingerprint") == 0)
336                         fingerprint= ++num;
337                 else if (strcmp(*argv,"-dates") == 0)
338                         {
339                         startdate= ++num;
340                         enddate= ++num;
341                         }
342                 else if (strcmp(*argv,"-purpose") == 0)
343                         pprint= ++num;
344                 else if (strcmp(*argv,"-startdate") == 0)
345                         startdate= ++num;
346                 else if (strcmp(*argv,"-enddate") == 0)
347                         enddate= ++num;
348                 else if (strcmp(*argv,"-noout") == 0)
349                         noout= ++num;
350                 else if (strcmp(*argv,"-trustout") == 0)
351                         trustout= 1;
352                 else if (strcmp(*argv,"-clrtrust") == 0)
353                         clrtrust= ++num;
354                 else if (strcmp(*argv,"-clrreject") == 0)
355                         clrreject= ++num;
356                 else if (strcmp(*argv,"-alias") == 0)
357                         aliasout= ++num;
358                 else if (strcmp(*argv,"-CAcreateserial") == 0)
359                         CA_createserial= ++num;
360                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
361                         {
362                         /* ok */
363                         digest=md_alg;
364                         }
365                 else
366                         {
367                         BIO_printf(bio_err,"unknown option %s\n",*argv);
368                         badops=1;
369                         break;
370                         }
371                 argc--;
372                 argv++;
373                 }
374
375         if (badops)
376                 {
377 bad:
378                 for (pp=x509_usage; (*pp != NULL); pp++)
379                         BIO_printf(bio_err,*pp);
380                 goto end;
381                 }
382
383         if (need_rand)
384                 app_RAND_load_file(NULL, bio_err, 0);
385
386         ERR_load_crypto_strings();
387         X509V3_add_standard_extensions();
388         X509_PURPOSE_add_standard();
389
390         if (!X509_STORE_set_default_paths(ctx))
391                 {
392                 ERR_print_errors(bio_err);
393                 goto end;
394                 }
395
396         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
397                 { CAkeyfile=CAfile; }
398         else if ((CA_flag) && (CAkeyfile == NULL))
399                 {
400                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
401                 goto end;
402                 }
403
404         if (extfile) {
405                 long errorline;
406                 X509V3_CTX ctx2;
407                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
408                         if (errorline <= 0)
409                                 BIO_printf(bio_err,
410                                         "error loading the config file '%s'\n",
411                                                                 extfile);
412                         else
413                                 BIO_printf(bio_err,
414                                        "error on line %ld of config file '%s'\n"
415                                                         ,errorline,extfile);
416                         goto end;
417                 }
418                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
419                                          "extensions"))) extsect = "default";
420                 X509V3_set_ctx_test(&ctx2);
421                 X509V3_set_conf_lhash(&ctx2, extconf);
422                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
423                         BIO_printf(bio_err,
424                                 "Error Loading extension section %s\n",
425                                                                  extsect);
426                         ERR_print_errors(bio_err);
427                         goto end;
428                 }
429         } 
430
431
432         if (reqfile)
433                 {
434                 EVP_PKEY *pkey;
435                 X509_CINF *ci;
436                 BIO *in;
437
438                 if (!sign_flag && !CA_flag)
439                         {
440                         BIO_printf(bio_err,"We need a private key to sign with\n");
441                         goto end;
442                         }
443                 in=BIO_new(BIO_s_file());
444                 if (in == NULL)
445                         {
446                         ERR_print_errors(bio_err);
447                         goto end;
448                         }
449
450                 if (infile == NULL)
451                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
452                 else
453                         {
454                         if (BIO_read_filename(in,infile) <= 0)
455                                 {
456                                 perror(infile);
457                                 goto end;
458                                 }
459                         }
460                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
461                 BIO_free(in);
462
463                 if (req == NULL) { perror(infile); goto end; }
464
465                 if (    (req->req_info == NULL) ||
466                         (req->req_info->pubkey == NULL) ||
467                         (req->req_info->pubkey->public_key == NULL) ||
468                         (req->req_info->pubkey->public_key->data == NULL))
469                         {
470                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
471                         BIO_printf(bio_err,"It does not contain a public key\n");
472                         goto end;
473                         }
474                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
475                         {
476                         BIO_printf(bio_err,"error unpacking public key\n");
477                         goto end;
478                         }
479                 i=X509_REQ_verify(req,pkey);
480                 EVP_PKEY_free(pkey);
481                 if (i < 0)
482                         {
483                         BIO_printf(bio_err,"Signature verification error\n");
484                         ERR_print_errors(bio_err);
485                         goto end;
486                         }
487                 if (i == 0)
488                         {
489                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
490                         goto end;
491                         }
492                 else
493                         BIO_printf(bio_err,"Signature ok\n");
494                 
495                 X509_NAME_oneline(req->req_info->subject,buf,256);
496                 BIO_printf(bio_err,"subject=%s\n",buf);
497
498                 if ((x=X509_new()) == NULL) goto end;
499                 ci=x->cert_info;
500
501                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
502                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
503                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
504
505                 X509_gmtime_adj(X509_get_notBefore(x),0);
506                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
507
508 #if 0
509                 X509_PUBKEY_free(ci->key);
510                 ci->key=req->req_info->pubkey;
511                 req->req_info->pubkey=NULL;
512 #else
513                 pkey = X509_REQ_get_pubkey(req);
514                 X509_set_pubkey(x,pkey);
515                 EVP_PKEY_free(pkey);
516 #endif
517                 }
518         else
519                 x=load_cert(infile,informat);
520
521         if (x == NULL) goto end;
522         if (CA_flag)
523                 {
524                 xca=load_cert(CAfile,CAformat);
525                 if (xca == NULL) goto end;
526                 }
527
528         if (!noout || text)
529                 {
530                 OBJ_create("2.99999.3",
531                         "SET.ex3","SET x509v3 extension 3");
532
533                 out=BIO_new(BIO_s_file());
534                 if (out == NULL)
535                         {
536                         ERR_print_errors(bio_err);
537                         goto end;
538                         }
539                 if (outfile == NULL)
540                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
541                 else
542                         {
543                         if (BIO_write_filename(out,outfile) <= 0)
544                                 {
545                                 perror(outfile);
546                                 goto end;
547                                 }
548                         }
549                 }
550
551         if(alias) X509_alias_set(x, (unsigned char *)alias, -1);
552
553         if(clrtrust) X509_trust_set_bit(x, -1, 0);
554         if(clrreject) X509_reject_set_bit(x, -1, 0);
555
556         if(trust) {
557                 for(i = 0; i < sk_num(trust); i++) {
558                         trstr = sk_value(trust, i);
559                         X509_trust_set_bit_asc(x, trstr, 1);
560                 }
561                 sk_free(trust);
562         }
563
564         if(reject) {
565                 for(i = 0; i < sk_num(reject); i++) {
566                         trstr = sk_value(reject, i);
567                         X509_reject_set_bit_asc(x, trstr, 1);
568                 }
569                 sk_free(reject);
570         }
571
572         if (num)
573                 {
574                 for (i=1; i<=num; i++)
575                         {
576                         if (issuer == i)
577                                 {
578                                 X509_NAME_oneline(X509_get_issuer_name(x),
579                                         buf,256);
580                                 BIO_printf(STDout,"issuer= %s\n",buf);
581                                 }
582                         else if (subject == i) 
583                                 {
584                                 X509_NAME_oneline(X509_get_subject_name(x),
585                                         buf,256);
586                                 BIO_printf(STDout,"subject=%s\n",buf);
587                                 }
588                         else if (serial == i)
589                                 {
590                                 BIO_printf(STDout,"serial=");
591                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
592                                 BIO_printf(STDout,"\n");
593                                 }
594                         else if (aliasout == i)
595                                 {
596                                 unsigned char *alstr;
597                                 alstr = X509_alias_get(x, NULL);
598                                 if(alstr) BIO_printf(STDout,"%s\n", alstr);
599                                 else BIO_puts(STDout,"<No Alias>\n");
600                                 }
601                         else if (hash == i)
602                                 {
603                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
604                                 }
605                         else if (pprint == i)
606                                 {
607                                 X509_PURPOSE *ptmp;
608                                 int j;
609                                 BIO_printf(STDout, "Certificate purposes:\n");
610                                 for(j = 0; j < X509_PURPOSE_get_count(); j++)
611                                         {
612                                         ptmp = X509_PURPOSE_iget(j);
613                                         purpose_print(STDout, x, ptmp);
614                                         }
615                                 }
616                         else
617                                 if (modulus == i)
618                                 {
619                                 EVP_PKEY *pkey;
620
621                                 pkey=X509_get_pubkey(x);
622                                 if (pkey == NULL)
623                                         {
624                                         BIO_printf(bio_err,"Modulus=unavailable\n");
625                                         ERR_print_errors(bio_err);
626                                         goto end;
627                                         }
628                                 BIO_printf(STDout,"Modulus=");
629 #ifndef NO_RSA
630                                 if (pkey->type == EVP_PKEY_RSA)
631                                         BN_print(STDout,pkey->pkey.rsa->n);
632                                 else
633 #endif
634 #ifndef NO_DSA
635                                 if (pkey->type == EVP_PKEY_DSA)
636                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
637                                 else
638 #endif
639                                         BIO_printf(STDout,"Wrong Algorithm type");
640                                 BIO_printf(STDout,"\n");
641                                 EVP_PKEY_free(pkey);
642                                 }
643                         else
644                                 if (pubkey == i)
645                                 {
646                                 EVP_PKEY *pkey;
647
648                                 pkey=X509_get_pubkey(x);
649                                 if (pkey == NULL)
650                                         {
651                                         BIO_printf(bio_err,"Error getting public key\n");
652                                         ERR_print_errors(bio_err);
653                                         goto end;
654                                         }
655                                 PEM_write_bio_PUBKEY(STDout, pkey);
656                                 EVP_PKEY_free(pkey);
657                                 }
658                         else
659                                 if (C == i)
660                                 {
661                                 unsigned char *d;
662                                 char *m;
663                                 int y,z;
664
665                                 X509_NAME_oneline(X509_get_subject_name(x),
666                                         buf,256);
667                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
668                                 m=X509_NAME_oneline(
669                                         X509_get_issuer_name(x),buf,256);
670                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
671
672                                 z=i2d_X509(x,NULL);
673                                 m=Malloc(z);
674
675                                 d=(unsigned char *)m;
676                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
677                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
678                                 d=(unsigned char *)m;
679                                 for (y=0; y<z; y++)
680                                         {
681                                         BIO_printf(STDout,"0x%02X,",d[y]);
682                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
683                                         }
684                                 if (y%16 != 0) BIO_printf(STDout,"\n");
685                                 BIO_printf(STDout,"};\n");
686
687                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
688                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
689                                 d=(unsigned char *)m;
690                                 for (y=0; y<z; y++)
691                                         {
692                                         BIO_printf(STDout,"0x%02X,",d[y]);
693                                         if ((y & 0x0f) == 0x0f)
694                                                 BIO_printf(STDout,"\n");
695                                         }
696                                 if (y%16 != 0) BIO_printf(STDout,"\n");
697                                 BIO_printf(STDout,"};\n");
698
699                                 z=i2d_X509(x,&d);
700                                 BIO_printf(STDout,"unsigned char XXX_certificate[%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                                 Free(m);
712                                 }
713                         else if (text == i)
714                                 {
715                                 X509_print(out,x);
716                                 }
717                         else if (startdate == i)
718                                 {
719                                 BIO_puts(STDout,"notBefore=");
720                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
721                                 BIO_puts(STDout,"\n");
722                                 }
723                         else if (enddate == i)
724                                 {
725                                 BIO_puts(STDout,"notAfter=");
726                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
727                                 BIO_puts(STDout,"\n");
728                                 }
729                         else if (fingerprint == i)
730                                 {
731                                 int j;
732                                 unsigned int n;
733                                 unsigned char md[EVP_MAX_MD_SIZE];
734
735                                 if (!X509_digest(x,digest,md,&n))
736                                         {
737                                         BIO_printf(bio_err,"out of memory\n");
738                                         goto end;
739                                         }
740                                 BIO_printf(STDout,"%s Fingerprint=",
741                                                 OBJ_nid2sn(EVP_MD_type(digest)));
742                                 for (j=0; j<(int)n; j++)
743                                         {
744                                         BIO_printf(STDout,"%02X%c",md[j],
745                                                 (j+1 == (int)n)
746                                                 ?'\n':':');
747                                         }
748                                 }
749
750                         /* should be in the library */
751                         else if ((sign_flag == i) && (x509req == 0))
752                                 {
753                                 BIO_printf(bio_err,"Getting Private key\n");
754                                 if (Upkey == NULL)
755                                         {
756                                         Upkey=load_key(keyfile,keyformat);
757                                         if (Upkey == NULL) goto end;
758                                         }
759 #ifndef NO_DSA
760                                 if (Upkey->type == EVP_PKEY_DSA)
761                                         digest=EVP_dss1();
762 #endif
763
764                                 assert(need_rand);
765                                 if (!sign(x,Upkey,days,digest,
766                                                  extconf, extsect)) goto end;
767                                 }
768                         else if (CA_flag == i)
769                                 {
770                                 BIO_printf(bio_err,"Getting CA Private Key\n");
771                                 if (CAkeyfile != NULL)
772                                         {
773                                         CApkey=load_key(CAkeyfile,CAkeyformat);
774                                         if (CApkey == NULL) goto end;
775                                         }
776 #ifndef NO_DSA
777                                 if (CApkey->type == EVP_PKEY_DSA)
778                                         digest=EVP_dss1();
779 #endif
780                                 
781                                 assert(need_rand);
782                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
783                                         CApkey, CAserial,CA_createserial,days,
784                                         extconf, extsect))
785                                         goto end;
786                                 }
787                         else if (x509req == i)
788                                 {
789                                 EVP_PKEY *pk;
790
791                                 BIO_printf(bio_err,"Getting request Private Key\n");
792                                 if (keyfile == NULL)
793                                         {
794                                         BIO_printf(bio_err,"no request key file specified\n");
795                                         goto end;
796                                         }
797                                 else
798                                         {
799                                         pk=load_key(keyfile,FORMAT_PEM);
800                                         if (pk == NULL) goto end;
801                                         }
802
803                                 BIO_printf(bio_err,"Generating certificate request\n");
804
805                                 if (pk->type == EVP_PKEY_DSA)
806                                         digest=EVP_dss1();
807
808                                 rq=X509_to_X509_REQ(x,pk,digest);
809                                 EVP_PKEY_free(pk);
810                                 if (rq == NULL)
811                                         {
812                                         ERR_print_errors(bio_err);
813                                         goto end;
814                                         }
815                                 if (!noout)
816                                         {
817                                         X509_REQ_print(out,rq);
818                                         PEM_write_bio_X509_REQ(out,rq);
819                                         }
820                                 noout=1;
821                                 }
822                         }
823                 }
824
825         if (noout)
826                 {
827                 ret=0;
828                 goto end;
829                 }
830
831         if      (outformat == FORMAT_ASN1)
832                 i=i2d_X509_bio(out,x);
833         else if (outformat == FORMAT_PEM) {
834                 if(trustout) i=PEM_write_bio_X509_AUX(out,x);
835                 else i=PEM_write_bio_X509(out,x);
836         } else if (outformat == FORMAT_NETSCAPE)
837                 {
838                 ASN1_HEADER ah;
839                 ASN1_OCTET_STRING os;
840
841                 os.data=(unsigned char *)CERT_HDR;
842                 os.length=strlen(CERT_HDR);
843                 ah.header= &os;
844                 ah.data=(char *)x;
845                 ah.meth=X509_asn1_meth();
846
847                 /* no macro for this one yet */
848                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
849                 }
850         else    {
851                 BIO_printf(bio_err,"bad output format specified for outfile\n");
852                 goto end;
853                 }
854         if (!i) {
855                 BIO_printf(bio_err,"unable to write certificate\n");
856                 ERR_print_errors(bio_err);
857                 goto end;
858                 }
859         ret=0;
860 end:
861         if (need_rand)
862                 app_RAND_write_file(NULL, bio_err);
863         OBJ_cleanup();
864         CONF_free(extconf);
865         BIO_free(out);
866         BIO_free(STDout);
867         X509_STORE_free(ctx);
868         X509_REQ_free(req);
869         X509_free(x);
870         X509_free(xca);
871         EVP_PKEY_free(Upkey);
872         EVP_PKEY_free(CApkey);
873         X509_REQ_free(rq);
874         X509V3_EXT_cleanup();
875         X509_PURPOSE_cleanup();
876         EXIT(ret);
877         }
878
879 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
880              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
881              int days, LHASH *conf, char *section)
882         {
883         int ret=0;
884         BIO *io=NULL;
885         MS_STATIC char buf2[1024];
886         char *buf=NULL,*p;
887         BIGNUM *serial=NULL;
888         ASN1_INTEGER *bs=NULL,bs2;
889         X509_STORE_CTX xsc;
890         EVP_PKEY *upkey;
891
892         upkey = X509_get_pubkey(xca);
893         EVP_PKEY_copy_parameters(upkey,pkey);
894         EVP_PKEY_free(upkey);
895
896         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
897         buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
898                 ((serialfile == NULL)
899                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
900                         :(strlen(serialfile)))+1);
901         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
902         if (serialfile == NULL)
903                 {
904                 strcpy(buf,CAfile);
905                 for (p=buf; *p; p++)
906                         if (*p == '.')
907                                 {
908                                 *p='\0';
909                                 break;
910                                 }
911                 strcat(buf,POSTFIX);
912                 }
913         else
914                 strcpy(buf,serialfile);
915         serial=BN_new();
916         bs=ASN1_INTEGER_new();
917         if ((serial == NULL) || (bs == NULL))
918                 {
919                 ERR_print_errors(bio_err);
920                 goto end;
921                 }
922
923         io=BIO_new(BIO_s_file());
924         if (io == NULL)
925                 {
926                 ERR_print_errors(bio_err);
927                 goto end;
928                 }
929         
930         if (BIO_read_filename(io,buf) <= 0)
931                 {
932                 if (!create)
933                         {
934                         perror(buf);
935                         goto end;
936                         }
937                 else
938                         {
939                         ASN1_INTEGER_set(bs,0);
940                         BN_zero(serial);
941                         }
942                 }
943         else 
944                 {
945                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
946                         {
947                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
948                         ERR_print_errors(bio_err);
949                         goto end;
950                         }
951                 else
952                         {
953                         serial=BN_bin2bn(bs->data,bs->length,serial);
954                         if (serial == NULL)
955                                 {
956                                 BIO_printf(bio_err,"error converting bin 2 bn");
957                                 goto end;
958                                 }
959                         }
960                 }
961
962         if (!BN_add_word(serial,1))
963                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
964         bs2.data=(unsigned char *)buf2;
965         bs2.length=BN_bn2bin(serial,bs2.data);
966
967         if (BIO_write_filename(io,buf) <= 0)
968                 {
969                 BIO_printf(bio_err,"error attempting to write serial number file\n");
970                 perror(buf);
971                 goto end;
972                 }
973         i2a_ASN1_INTEGER(io,&bs2);
974         BIO_puts(io,"\n");
975         BIO_free(io);
976         io=NULL;
977         
978         if (!X509_STORE_add_cert(ctx,x)) goto end;
979
980         /* NOTE: this certificate can/should be self signed, unless it was
981          * a certificate request in which case it is not. */
982         X509_STORE_CTX_set_cert(&xsc,x);
983         if (!reqfile && !X509_verify_cert(&xsc))
984                 goto end;
985
986         if (!X509_check_private_key(xca,pkey))
987                 {
988                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
989                 goto end;
990                 }
991
992         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
993         if (!X509_set_serialNumber(x,bs)) goto end;
994
995         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
996                 goto end;
997
998         /* hardwired expired */
999         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1000                 goto end;
1001
1002         if(conf) {
1003                 X509V3_CTX ctx2;
1004                 X509_set_version(x,2); /* version 3 certificate */
1005                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1006                 X509V3_set_conf_lhash(&ctx2, conf);
1007                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1008         }
1009
1010         if (!X509_sign(x,pkey,digest)) goto end;
1011         ret=1;
1012 end:
1013         X509_STORE_CTX_cleanup(&xsc);
1014         if (!ret)
1015                 ERR_print_errors(bio_err);
1016         if (buf != NULL) Free(buf);
1017         if (bs != NULL) ASN1_INTEGER_free(bs);
1018         if (io != NULL) BIO_free(io);
1019         if (serial != NULL) BN_free(serial);
1020         return(ret);
1021         }
1022
1023 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1024         {
1025         char buf[256];
1026         int err;
1027         X509 *err_cert;
1028
1029         /* it is ok to use a self signed certificate
1030          * This case will catch both the initial ok == 0 and the
1031          * final ok == 1 calls to this function */
1032         err=X509_STORE_CTX_get_error(ctx);
1033         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1034                 return(1);
1035
1036         /* BAD we should have gotten an error.  Normally if everything
1037          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1038          * DEPTH_ZERO_SELF_.... */
1039         if (ok)
1040                 {
1041                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1042                 return(0);
1043                 }
1044         else
1045                 {
1046                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1047                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
1048                 BIO_printf(bio_err,"%s\n",buf);
1049                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1050                         err,X509_STORE_CTX_get_error_depth(ctx),
1051                         X509_verify_cert_error_string(err));
1052                 return(1);
1053                 }
1054         }
1055
1056 static EVP_PKEY *load_key(char *file, int format)
1057         {
1058         BIO *key=NULL;
1059         EVP_PKEY *pkey=NULL;
1060
1061         if (file == NULL)
1062                 {
1063                 BIO_printf(bio_err,"no keyfile specified\n");
1064                 goto end;
1065                 }
1066         key=BIO_new(BIO_s_file());
1067         if (key == NULL)
1068                 {
1069                 ERR_print_errors(bio_err);
1070                 goto end;
1071                 }
1072         if (BIO_read_filename(key,file) <= 0)
1073                 {
1074                 perror(file);
1075                 goto end;
1076                 }
1077 #ifndef NO_RSA
1078         if      (format == FORMAT_ASN1)
1079                 {
1080                 RSA *rsa;
1081
1082                 rsa=d2i_RSAPrivateKey_bio(key,NULL);
1083                 if (rsa != NULL)
1084                         {
1085                         if ((pkey=EVP_PKEY_new()) != NULL)
1086                                 EVP_PKEY_assign_RSA(pkey,rsa);
1087                         else
1088                                 RSA_free(rsa);
1089                         }
1090                 }
1091         else
1092 #endif
1093                 if (format == FORMAT_PEM)
1094                 {
1095                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,NULL);
1096                 }
1097         else
1098                 {
1099                 BIO_printf(bio_err,"bad input format specified for key\n");
1100                 goto end;
1101                 }
1102 end:
1103         if (key != NULL) BIO_free(key);
1104         if (pkey == NULL)
1105                 BIO_printf(bio_err,"unable to load Private Key\n");
1106         return(pkey);
1107         }
1108
1109 static X509 *load_cert(char *file, int format)
1110         {
1111         ASN1_HEADER *ah=NULL;
1112         BUF_MEM *buf=NULL;
1113         X509 *x=NULL;
1114         BIO *cert;
1115
1116         if ((cert=BIO_new(BIO_s_file())) == NULL)
1117                 {
1118                 ERR_print_errors(bio_err);
1119                 goto end;
1120                 }
1121
1122         if (file == NULL)
1123                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
1124         else
1125                 {
1126                 if (BIO_read_filename(cert,file) <= 0)
1127                         {
1128                         perror(file);
1129                         goto end;
1130                         }
1131                 }
1132         if      (format == FORMAT_ASN1)
1133                 x=d2i_X509_bio(cert,NULL);
1134         else if (format == FORMAT_NETSCAPE)
1135                 {
1136                 unsigned char *p,*op;
1137                 int size=0,i;
1138
1139                 /* We sort of have to do it this way because it is sort of nice
1140                  * to read the header first and check it, then
1141                  * try to read the certificate */
1142                 buf=BUF_MEM_new();
1143                 for (;;)
1144                         {
1145                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
1146                                 goto end;
1147                         i=BIO_read(cert,&(buf->data[size]),1024*10);
1148                         size+=i;
1149                         if (i == 0) break;
1150                         if (i < 0)
1151                                 {
1152                                 perror("reading certificate");
1153                                 goto end;
1154                                 }
1155                         }
1156                 p=(unsigned char *)buf->data;
1157                 op=p;
1158
1159                 /* First load the header */
1160                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
1161                         goto end;
1162                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1163                         (strncmp(CERT_HDR,(char *)ah->header->data,
1164                         ah->header->length) != 0))
1165                         {
1166                         BIO_printf(bio_err,"Error reading header on certificate\n");
1167                         goto end;
1168                         }
1169                 /* header is ok, so now read the object */
1170                 p=op;
1171                 ah->meth=X509_asn1_meth();
1172                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1173                         goto end;
1174                 x=(X509 *)ah->data;
1175                 ah->data=NULL;
1176                 }
1177         else if (format == FORMAT_PEM)
1178                 x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
1179         else    {
1180                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1181                 goto end;
1182                 }
1183 end:
1184         if (x == NULL)
1185                 {
1186                 BIO_printf(bio_err,"unable to load certificate\n");
1187                 ERR_print_errors(bio_err);
1188                 }
1189         if (ah != NULL) ASN1_HEADER_free(ah);
1190         if (cert != NULL) BIO_free(cert);
1191         if (buf != NULL) BUF_MEM_free(buf);
1192         return(x);
1193         }
1194
1195 /* self sign */
1196 static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest, 
1197                                                 LHASH *conf, char *section)
1198         {
1199
1200         EVP_PKEY *pktmp;
1201
1202         pktmp = X509_get_pubkey(x);
1203         EVP_PKEY_copy_parameters(pktmp,pkey);
1204         EVP_PKEY_save_parameters(pktmp,1);
1205         EVP_PKEY_free(pktmp);
1206
1207         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1208         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1209
1210         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1211         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1212         /* 28 days to be certified */
1213
1214         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1215                 goto err;
1216
1217         if (!X509_set_pubkey(x,pkey)) goto err;
1218         if(conf) {
1219                 X509V3_CTX ctx;
1220                 X509_set_version(x,2); /* version 3 certificate */
1221                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1222                 X509V3_set_conf_lhash(&ctx, conf);
1223                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1224         }
1225         if (!X509_sign(x,pkey,digest)) goto err;
1226         return(1);
1227 err:
1228         ERR_print_errors(bio_err);
1229         return(0);
1230         }
1231
1232 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1233 {
1234         int id, i, idret;
1235         char *pname;
1236         id = X509_PURPOSE_get_id(pt);
1237         pname = X509_PURPOSE_iget_name(pt);
1238         for(i = 0; i < 2; i++) {
1239                 idret = X509_check_purpose(cert, id, i);
1240                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1241                 if(idret == 1) BIO_printf(bio, "Yes\n");
1242                 else if (idret == 0) BIO_printf(bio, "No\n");
1243                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1244         }
1245         return 1;
1246 }
1247
1248
1249