On VMS, stdout may very well lead to a file that is written to in a
[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 static char *x509_usage[]={
85 "usage: x509 args\n",
86 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
87 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
88 " -keyform arg    - private key format - default PEM\n",
89 " -CAform arg     - CA format - default PEM\n",
90 " -CAkeyform arg  - CA key format - default PEM\n",
91 " -in arg         - input file - default stdin\n",
92 " -out arg        - output file - default stdout\n",
93 " -passin arg     - private key password source\n",
94 " -serial         - print serial number value\n",
95 " -hash           - print hash value\n",
96 " -subject        - print subject DN\n",
97 " -issuer         - print issuer DN\n",
98 " -email          - print email address(es)\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 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
116 "                   exit 1 if so, 0 if not\n",
117 " -signkey arg    - self sign cert with arg\n",
118 " -x509toreq      - output a certification request object\n",
119 " -req            - input is a certificate request, sign and output.\n",
120 " -CA arg         - set the CA certificate, must be PEM format.\n",
121 " -CAkey arg      - set the CA key, must be PEM format\n",
122 "                   missing, it is assumed to be in the CA file.\n",
123 " -CAcreateserial - create serial number file if it does not exist\n",
124 " -CAserial       - serial file\n",
125 " -text           - print the certificate in text form\n",
126 " -C              - print out C code forms\n",
127 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
128 " -extfile        - configuration file with X509V3 extensions to add\n",
129 " -extensions     - section from config file with X509V3 extensions to add\n",
130 " -clrext         - delete extensions before signing and input certificate\n",
131 " -nameopt arg    - various certificate name options\n",
132 NULL
133 };
134
135 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
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,email=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         int checkend=0,checkoffset=0;
177         unsigned long nmflag = 0;
178
179         reqfile=0;
180
181         apps_startup();
182
183         if (bio_err == NULL)
184                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
185         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
186 #ifdef VMS
187         {
188         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
189         STDout = BIO_push(tmpbio, STDout);
190         }
191 #endif
192
193         informat=FORMAT_PEM;
194         outformat=FORMAT_PEM;
195         keyformat=FORMAT_PEM;
196         CAformat=FORMAT_PEM;
197         CAkeyformat=FORMAT_PEM;
198
199         ctx=X509_STORE_new();
200         if (ctx == NULL) goto end;
201         X509_STORE_set_verify_cb_func(ctx,callb);
202
203         argc--;
204         argv++;
205         num=0;
206         while (argc >= 1)
207                 {
208                 if      (strcmp(*argv,"-inform") == 0)
209                         {
210                         if (--argc < 1) goto bad;
211                         informat=str2fmt(*(++argv));
212                         }
213                 else if (strcmp(*argv,"-outform") == 0)
214                         {
215                         if (--argc < 1) goto bad;
216                         outformat=str2fmt(*(++argv));
217                         }
218                 else if (strcmp(*argv,"-keyform") == 0)
219                         {
220                         if (--argc < 1) goto bad;
221                         keyformat=str2fmt(*(++argv));
222                         }
223                 else if (strcmp(*argv,"-req") == 0)
224                         {
225                         reqfile=1;
226                         need_rand = 1;
227                         }
228                 else if (strcmp(*argv,"-CAform") == 0)
229                         {
230                         if (--argc < 1) goto bad;
231                         CAformat=str2fmt(*(++argv));
232                         }
233                 else if (strcmp(*argv,"-CAkeyform") == 0)
234                         {
235                         if (--argc < 1) goto bad;
236                         CAformat=str2fmt(*(++argv));
237                         }
238                 else if (strcmp(*argv,"-days") == 0)
239                         {
240                         if (--argc < 1) goto bad;
241                         days=atoi(*(++argv));
242                         if (days == 0)
243                                 {
244                                 BIO_printf(STDout,"bad number of days\n");
245                                 goto bad;
246                                 }
247                         }
248                 else if (strcmp(*argv,"-passin") == 0)
249                         {
250                         if (--argc < 1) goto bad;
251                         passargin= *(++argv);
252                         }
253                 else if (strcmp(*argv,"-extfile") == 0)
254                         {
255                         if (--argc < 1) goto bad;
256                         extfile= *(++argv);
257                         }
258                 else if (strcmp(*argv,"-extensions") == 0)
259                         {
260                         if (--argc < 1) goto bad;
261                         extsect= *(++argv);
262                         }
263                 else if (strcmp(*argv,"-in") == 0)
264                         {
265                         if (--argc < 1) goto bad;
266                         infile= *(++argv);
267                         }
268                 else if (strcmp(*argv,"-out") == 0)
269                         {
270                         if (--argc < 1) goto bad;
271                         outfile= *(++argv);
272                         }
273                 else if (strcmp(*argv,"-signkey") == 0)
274                         {
275                         if (--argc < 1) goto bad;
276                         keyfile= *(++argv);
277                         sign_flag= ++num;
278                         need_rand = 1;
279                         }
280                 else if (strcmp(*argv,"-CA") == 0)
281                         {
282                         if (--argc < 1) goto bad;
283                         CAfile= *(++argv);
284                         CA_flag= ++num;
285                         need_rand = 1;
286                         }
287                 else if (strcmp(*argv,"-CAkey") == 0)
288                         {
289                         if (--argc < 1) goto bad;
290                         CAkeyfile= *(++argv);
291                         }
292                 else if (strcmp(*argv,"-CAserial") == 0)
293                         {
294                         if (--argc < 1) goto bad;
295                         CAserial= *(++argv);
296                         }
297                 else if (strcmp(*argv,"-addtrust") == 0)
298                         {
299                         if (--argc < 1) goto bad;
300                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
301                                 {
302                                 BIO_printf(bio_err,
303                                         "Invalid trust object value %s\n", *argv);
304                                 goto bad;
305                                 }
306                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
307                         sk_ASN1_OBJECT_push(trust, objtmp);
308                         trustout = 1;
309                         }
310                 else if (strcmp(*argv,"-addreject") == 0)
311                         {
312                         if (--argc < 1) goto bad;
313                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
314                                 {
315                                 BIO_printf(bio_err,
316                                         "Invalid reject object value %s\n", *argv);
317                                 goto bad;
318                                 }
319                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
320                         sk_ASN1_OBJECT_push(reject, objtmp);
321                         trustout = 1;
322                         }
323                 else if (strcmp(*argv,"-setalias") == 0)
324                         {
325                         if (--argc < 1) goto bad;
326                         alias= *(++argv);
327                         trustout = 1;
328                         }
329                 else if (strcmp(*argv,"-nameopt") == 0)
330                         {
331                         if (--argc < 1) goto bad;
332                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
333                         }
334                 else if (strcmp(*argv,"-setalias") == 0)
335                         {
336                         if (--argc < 1) goto bad;
337                         alias= *(++argv);
338                         trustout = 1;
339                         }
340                 else if (strcmp(*argv,"-C") == 0)
341                         C= ++num;
342                 else if (strcmp(*argv,"-email") == 0)
343                         email= ++num;
344                 else if (strcmp(*argv,"-serial") == 0)
345                         serial= ++num;
346                 else if (strcmp(*argv,"-modulus") == 0)
347                         modulus= ++num;
348                 else if (strcmp(*argv,"-pubkey") == 0)
349                         pubkey= ++num;
350                 else if (strcmp(*argv,"-x509toreq") == 0)
351                         x509req= ++num;
352                 else if (strcmp(*argv,"-text") == 0)
353                         text= ++num;
354                 else if (strcmp(*argv,"-hash") == 0)
355                         hash= ++num;
356                 else if (strcmp(*argv,"-subject") == 0)
357                         subject= ++num;
358                 else if (strcmp(*argv,"-issuer") == 0)
359                         issuer= ++num;
360                 else if (strcmp(*argv,"-fingerprint") == 0)
361                         fingerprint= ++num;
362                 else if (strcmp(*argv,"-dates") == 0)
363                         {
364                         startdate= ++num;
365                         enddate= ++num;
366                         }
367                 else if (strcmp(*argv,"-purpose") == 0)
368                         pprint= ++num;
369                 else if (strcmp(*argv,"-startdate") == 0)
370                         startdate= ++num;
371                 else if (strcmp(*argv,"-enddate") == 0)
372                         enddate= ++num;
373                 else if (strcmp(*argv,"-checkend") == 0)
374                         {
375                         if (--argc < 1) goto bad;
376                         checkoffset=atoi(*(++argv));
377                         checkend=1;
378                         }
379                 else if (strcmp(*argv,"-noout") == 0)
380                         noout= ++num;
381                 else if (strcmp(*argv,"-trustout") == 0)
382                         trustout= 1;
383                 else if (strcmp(*argv,"-clrtrust") == 0)
384                         clrtrust= ++num;
385                 else if (strcmp(*argv,"-clrreject") == 0)
386                         clrreject= ++num;
387                 else if (strcmp(*argv,"-alias") == 0)
388                         aliasout= ++num;
389                 else if (strcmp(*argv,"-CAcreateserial") == 0)
390                         CA_createserial= ++num;
391                 else if (strcmp(*argv,"-clrext") == 0)
392                         clrext = 1;
393 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
394                 else if (strcmp(*argv,"-crlext") == 0)
395                         {
396                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
397                         clrext = 1;
398                         }
399 #endif
400                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
401                         {
402                         /* ok */
403                         digest=md_alg;
404                         }
405                 else
406                         {
407                         BIO_printf(bio_err,"unknown option %s\n",*argv);
408                         badops=1;
409                         break;
410                         }
411                 argc--;
412                 argv++;
413                 }
414
415         if (badops)
416                 {
417 bad:
418                 for (pp=x509_usage; (*pp != NULL); pp++)
419                         BIO_printf(bio_err,*pp);
420                 goto end;
421                 }
422
423         if (need_rand)
424                 app_RAND_load_file(NULL, bio_err, 0);
425
426         ERR_load_crypto_strings();
427
428         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
429                 {
430                 BIO_printf(bio_err, "Error getting password\n");
431                 goto end;
432                 }
433
434         if (!X509_STORE_set_default_paths(ctx))
435                 {
436                 ERR_print_errors(bio_err);
437                 goto end;
438                 }
439
440         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
441                 { CAkeyfile=CAfile; }
442         else if ((CA_flag) && (CAkeyfile == NULL))
443                 {
444                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
445                 goto end;
446                 }
447
448         if (extfile)
449                 {
450                 long errorline;
451                 X509V3_CTX ctx2;
452                 if (!(extconf=CONF_load(NULL,extfile,&errorline)))
453                         {
454                         if (errorline <= 0)
455                                 BIO_printf(bio_err,
456                                         "error loading the config file '%s'\n",
457                                                                 extfile);
458                         else
459                                 BIO_printf(bio_err,
460                                        "error on line %ld of config file '%s'\n"
461                                                         ,errorline,extfile);
462                         goto end;
463                         }
464                 if (!extsect && !(extsect = CONF_get_string(extconf, "default",
465                                          "extensions"))) extsect = "default";
466                 X509V3_set_ctx_test(&ctx2);
467                 X509V3_set_conf_lhash(&ctx2, extconf);
468                 if (!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL))
469                         {
470                         BIO_printf(bio_err,
471                                 "Error Loading extension section %s\n",
472                                                                  extsect);
473                         ERR_print_errors(bio_err);
474                         goto end;
475                         }
476                 }
477
478
479         if (reqfile)
480                 {
481                 EVP_PKEY *pkey;
482                 X509_CINF *ci;
483                 BIO *in;
484
485                 if (!sign_flag && !CA_flag)
486                         {
487                         BIO_printf(bio_err,"We need a private key to sign with\n");
488                         goto end;
489                         }
490                 in=BIO_new(BIO_s_file());
491                 if (in == NULL)
492                         {
493                         ERR_print_errors(bio_err);
494                         goto end;
495                         }
496
497                 if (infile == NULL)
498                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
499                 else
500                         {
501                         if (BIO_read_filename(in,infile) <= 0)
502                                 {
503                                 perror(infile);
504                                 BIO_free(in);
505                                 goto end;
506                                 }
507                         }
508                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
509                 BIO_free(in);
510
511                 if (req == NULL)
512                         {
513                         ERR_print_errors(bio_err);
514                         goto end;
515                         }
516
517                 if (    (req->req_info == NULL) ||
518                         (req->req_info->pubkey == NULL) ||
519                         (req->req_info->pubkey->public_key == NULL) ||
520                         (req->req_info->pubkey->public_key->data == NULL))
521                         {
522                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
523                         BIO_printf(bio_err,"It does not contain a public key\n");
524                         goto end;
525                         }
526                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
527                         {
528                         BIO_printf(bio_err,"error unpacking public key\n");
529                         goto end;
530                         }
531                 i=X509_REQ_verify(req,pkey);
532                 EVP_PKEY_free(pkey);
533                 if (i < 0)
534                         {
535                         BIO_printf(bio_err,"Signature verification error\n");
536                         ERR_print_errors(bio_err);
537                         goto end;
538                         }
539                 if (i == 0)
540                         {
541                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
542                         goto end;
543                         }
544                 else
545                         BIO_printf(bio_err,"Signature ok\n");
546
547                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
548
549                 if ((x=X509_new()) == NULL) goto end;
550                 ci=x->cert_info;
551
552                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
553                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
554                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
555
556                 X509_gmtime_adj(X509_get_notBefore(x),0);
557                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
558
559                 pkey = X509_REQ_get_pubkey(req);
560                 X509_set_pubkey(x,pkey);
561                 EVP_PKEY_free(pkey);
562                 }
563         else
564                 x=load_cert(bio_err,infile,informat);
565
566         if (x == NULL) goto end;
567         if (CA_flag)
568                 {
569                 xca=load_cert(bio_err,CAfile,CAformat);
570                 if (xca == NULL) goto end;
571                 }
572
573         if (!noout || text)
574                 {
575                 OBJ_create("2.99999.3",
576                         "SET.ex3","SET x509v3 extension 3");
577
578                 out=BIO_new(BIO_s_file());
579                 if (out == NULL)
580                         {
581                         ERR_print_errors(bio_err);
582                         goto end;
583                         }
584                 if (outfile == NULL)
585                         {
586                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
587 #ifdef VMS
588                         {
589                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
590                         out = BIO_push(tmpbio, out);
591                         }
592 #endif
593                         }
594                 else
595                         {
596                         if (BIO_write_filename(out,outfile) <= 0)
597                                 {
598                                 perror(outfile);
599                                 goto end;
600                                 }
601                         }
602                 }
603
604         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
605
606         if (clrtrust) X509_trust_clear(x);
607         if (clrreject) X509_reject_clear(x);
608
609         if (trust)
610                 {
611                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
612                         {
613                         objtmp = sk_ASN1_OBJECT_value(trust, i);
614                         X509_add1_trust_object(x, objtmp);
615                         }
616                 }
617
618         if (reject)
619                 {
620                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
621                         {
622                         objtmp = sk_ASN1_OBJECT_value(reject, i);
623                         X509_add1_reject_object(x, objtmp);
624                         }
625                 }
626
627         if (num)
628                 {
629                 for (i=1; i<=num; i++)
630                         {
631                         if (issuer == i)
632                                 {
633                                 print_name(STDout, "issuer= ",
634                                         X509_get_issuer_name(x), nmflag);
635                                 }
636                         else if (subject == i) 
637                                 {
638                                 print_name(STDout, "subject= ",
639                                         X509_get_subject_name(x), nmflag);
640                                 }
641                         else if (serial == i)
642                                 {
643                                 BIO_printf(STDout,"serial=");
644                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
645                                 BIO_printf(STDout,"\n");
646                                 }
647                         else if (email == i) 
648                                 {
649                                 int j;
650                                 STACK *emlst;
651                                 emlst = X509_get1_email(x);
652                                 for (j = 0; j < sk_num(emlst); j++)
653                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
654                                 X509_email_free(emlst);
655                                 }
656                         else if (aliasout == i)
657                                 {
658                                 unsigned char *alstr;
659                                 alstr = X509_alias_get0(x, NULL);
660                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
661                                 else BIO_puts(STDout,"<No Alias>\n");
662                                 }
663                         else if (hash == i)
664                                 {
665                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
666                                 }
667                         else if (pprint == i)
668                                 {
669                                 X509_PURPOSE *ptmp;
670                                 int j;
671                                 BIO_printf(STDout, "Certificate purposes:\n");
672                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
673                                         {
674                                         ptmp = X509_PURPOSE_get0(j);
675                                         purpose_print(STDout, x, ptmp);
676                                         }
677                                 }
678                         else
679                                 if (modulus == i)
680                                 {
681                                 EVP_PKEY *pkey;
682
683                                 pkey=X509_get_pubkey(x);
684                                 if (pkey == NULL)
685                                         {
686                                         BIO_printf(bio_err,"Modulus=unavailable\n");
687                                         ERR_print_errors(bio_err);
688                                         goto end;
689                                         }
690                                 BIO_printf(STDout,"Modulus=");
691 #ifndef NO_RSA
692                                 if (pkey->type == EVP_PKEY_RSA)
693                                         BN_print(STDout,pkey->pkey.rsa->n);
694                                 else
695 #endif
696 #ifndef NO_DSA
697                                 if (pkey->type == EVP_PKEY_DSA)
698                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
699                                 else
700 #endif
701                                         BIO_printf(STDout,"Wrong Algorithm type");
702                                 BIO_printf(STDout,"\n");
703                                 EVP_PKEY_free(pkey);
704                                 }
705                         else
706                                 if (pubkey == i)
707                                 {
708                                 EVP_PKEY *pkey;
709
710                                 pkey=X509_get_pubkey(x);
711                                 if (pkey == NULL)
712                                         {
713                                         BIO_printf(bio_err,"Error getting public key\n");
714                                         ERR_print_errors(bio_err);
715                                         goto end;
716                                         }
717                                 PEM_write_bio_PUBKEY(STDout, pkey);
718                                 EVP_PKEY_free(pkey);
719                                 }
720                         else
721                                 if (C == i)
722                                 {
723                                 unsigned char *d;
724                                 char *m;
725                                 int y,z;
726
727                                 X509_NAME_oneline(X509_get_subject_name(x),
728                                         buf,256);
729                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
730                                 m=X509_NAME_oneline(
731                                         X509_get_issuer_name(x),buf,256);
732                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
733
734                                 z=i2d_X509(x,NULL);
735                                 m=OPENSSL_malloc(z);
736
737                                 d=(unsigned char *)m;
738                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
739                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
740                                 d=(unsigned char *)m;
741                                 for (y=0; y<z; y++)
742                                         {
743                                         BIO_printf(STDout,"0x%02X,",d[y]);
744                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
745                                         }
746                                 if (y%16 != 0) BIO_printf(STDout,"\n");
747                                 BIO_printf(STDout,"};\n");
748
749                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
750                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
751                                 d=(unsigned char *)m;
752                                 for (y=0; y<z; y++)
753                                         {
754                                         BIO_printf(STDout,"0x%02X,",d[y]);
755                                         if ((y & 0x0f) == 0x0f)
756                                                 BIO_printf(STDout,"\n");
757                                         }
758                                 if (y%16 != 0) BIO_printf(STDout,"\n");
759                                 BIO_printf(STDout,"};\n");
760
761                                 z=i2d_X509(x,&d);
762                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
763                                 d=(unsigned char *)m;
764                                 for (y=0; y<z; y++)
765                                         {
766                                         BIO_printf(STDout,"0x%02X,",d[y]);
767                                         if ((y & 0x0f) == 0x0f)
768                                                 BIO_printf(STDout,"\n");
769                                         }
770                                 if (y%16 != 0) BIO_printf(STDout,"\n");
771                                 BIO_printf(STDout,"};\n");
772
773                                 OPENSSL_free(m);
774                                 }
775                         else if (text == i)
776                                 {
777                                 X509_print(out,x);
778                                 }
779                         else if (startdate == i)
780                                 {
781                                 BIO_puts(STDout,"notBefore=");
782                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
783                                 BIO_puts(STDout,"\n");
784                                 }
785                         else if (enddate == i)
786                                 {
787                                 BIO_puts(STDout,"notAfter=");
788                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
789                                 BIO_puts(STDout,"\n");
790                                 }
791                         else if (fingerprint == i)
792                                 {
793                                 int j;
794                                 unsigned int n;
795                                 unsigned char md[EVP_MAX_MD_SIZE];
796
797                                 if (!X509_digest(x,digest,md,&n))
798                                         {
799                                         BIO_printf(bio_err,"out of memory\n");
800                                         goto end;
801                                         }
802                                 BIO_printf(STDout,"%s Fingerprint=",
803                                                 OBJ_nid2sn(EVP_MD_type(digest)));
804                                 for (j=0; j<(int)n; j++)
805                                         {
806                                         BIO_printf(STDout,"%02X%c",md[j],
807                                                 (j+1 == (int)n)
808                                                 ?'\n':':');
809                                         }
810                                 }
811
812                         /* should be in the library */
813                         else if ((sign_flag == i) && (x509req == 0))
814                                 {
815                                 BIO_printf(bio_err,"Getting Private key\n");
816                                 if (Upkey == NULL)
817                                         {
818                                         Upkey=load_key(bio_err,
819                                                 keyfile,keyformat, passin);
820                                         if (Upkey == NULL) goto end;
821                                         }
822 #ifndef NO_DSA
823                                 if (Upkey->type == EVP_PKEY_DSA)
824                                         digest=EVP_dss1();
825 #endif
826
827                                 assert(need_rand);
828                                 if (!sign(x,Upkey,days,clrext,digest,
829                                                  extconf, extsect)) goto end;
830                                 }
831                         else if (CA_flag == i)
832                                 {
833                                 BIO_printf(bio_err,"Getting CA Private Key\n");
834                                 if (CAkeyfile != NULL)
835                                         {
836                                         CApkey=load_key(bio_err,
837                                                 CAkeyfile,CAkeyformat, passin);
838                                         if (CApkey == NULL) goto end;
839                                         }
840 #ifndef NO_DSA
841                                 if (CApkey->type == EVP_PKEY_DSA)
842                                         digest=EVP_dss1();
843 #endif
844                                 
845                                 assert(need_rand);
846                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
847                                         CApkey, CAserial,CA_createserial,days, clrext,
848                                         extconf, extsect))
849                                         goto end;
850                                 }
851                         else if (x509req == i)
852                                 {
853                                 EVP_PKEY *pk;
854
855                                 BIO_printf(bio_err,"Getting request Private Key\n");
856                                 if (keyfile == NULL)
857                                         {
858                                         BIO_printf(bio_err,"no request key file specified\n");
859                                         goto end;
860                                         }
861                                 else
862                                         {
863                                         pk=load_key(bio_err,
864                                                 keyfile,FORMAT_PEM, passin);
865                                         if (pk == NULL) goto end;
866                                         }
867
868                                 BIO_printf(bio_err,"Generating certificate request\n");
869
870                                 if (pk->type == EVP_PKEY_DSA)
871                                         digest=EVP_dss1();
872
873                                 rq=X509_to_X509_REQ(x,pk,digest);
874                                 EVP_PKEY_free(pk);
875                                 if (rq == NULL)
876                                         {
877                                         ERR_print_errors(bio_err);
878                                         goto end;
879                                         }
880                                 if (!noout)
881                                         {
882                                         X509_REQ_print(out,rq);
883                                         PEM_write_bio_X509_REQ(out,rq);
884                                         }
885                                 noout=1;
886                                 }
887                         }
888                 }
889
890         if (checkend)
891                 {
892                 time_t tnow=time(NULL);
893
894                 if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x), tnow+checkoffset) == -1)
895                         {
896                         BIO_printf(out,"Certificate will expire\n");
897                         ret=1;
898                         }
899                 else
900                         {
901                         BIO_printf(out,"Certificate will not expire\n");
902                         ret=0;
903                         }
904                 goto end;
905                 }
906
907         if (noout)
908                 {
909                 ret=0;
910                 goto end;
911                 }
912
913         if      (outformat == FORMAT_ASN1)
914                 i=i2d_X509_bio(out,x);
915         else if (outformat == FORMAT_PEM)
916                 {
917                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
918                 else i=PEM_write_bio_X509(out,x);
919                 }
920         else if (outformat == FORMAT_NETSCAPE)
921                 {
922                 ASN1_HEADER ah;
923                 ASN1_OCTET_STRING os;
924
925                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
926                 os.length=strlen(NETSCAPE_CERT_HDR);
927                 ah.header= &os;
928                 ah.data=(char *)x;
929                 ah.meth=X509_asn1_meth();
930
931                 /* no macro for this one yet */
932                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
933                 }
934         else    {
935                 BIO_printf(bio_err,"bad output format specified for outfile\n");
936                 goto end;
937                 }
938         if (!i)
939                 {
940                 BIO_printf(bio_err,"unable to write certificate\n");
941                 ERR_print_errors(bio_err);
942                 goto end;
943                 }
944         ret=0;
945 end:
946         if (need_rand)
947                 app_RAND_write_file(NULL, bio_err);
948         OBJ_cleanup();
949         CONF_free(extconf);
950         BIO_free_all(out);
951         BIO_free_all(STDout);
952         X509_STORE_free(ctx);
953         X509_REQ_free(req);
954         X509_free(x);
955         X509_free(xca);
956         EVP_PKEY_free(Upkey);
957         EVP_PKEY_free(CApkey);
958         X509_REQ_free(rq);
959         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
960         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
961         if (passin) OPENSSL_free(passin);
962         EXIT(ret);
963         }
964
965 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
966              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
967              int days, int clrext, LHASH *conf, char *section)
968         {
969         int ret=0;
970         BIO *io=NULL;
971         MS_STATIC char buf2[1024];
972         char *buf=NULL,*p;
973         BIGNUM *serial=NULL;
974         ASN1_INTEGER *bs=NULL,bs2;
975         X509_STORE_CTX xsc;
976         EVP_PKEY *upkey;
977
978         upkey = X509_get_pubkey(xca);
979         EVP_PKEY_copy_parameters(upkey,pkey);
980         EVP_PKEY_free(upkey);
981
982         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
983         buf=OPENSSL_malloc(EVP_PKEY_size(pkey)*2+
984                 ((serialfile == NULL)
985                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
986                         :(strlen(serialfile)))+1);
987         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
988         if (serialfile == NULL)
989                 {
990                 strcpy(buf,CAfile);
991                 for (p=buf; *p; p++)
992                         if (*p == '.')
993                                 {
994                                 *p='\0';
995                                 break;
996                                 }
997                 strcat(buf,POSTFIX);
998                 }
999         else
1000                 strcpy(buf,serialfile);
1001         serial=BN_new();
1002         bs=ASN1_INTEGER_new();
1003         if ((serial == NULL) || (bs == NULL))
1004                 {
1005                 ERR_print_errors(bio_err);
1006                 goto end;
1007                 }
1008
1009         io=BIO_new(BIO_s_file());
1010         if (io == NULL)
1011                 {
1012                 ERR_print_errors(bio_err);
1013                 goto end;
1014                 }
1015         
1016         if (BIO_read_filename(io,buf) <= 0)
1017                 {
1018                 if (!create)
1019                         {
1020                         perror(buf);
1021                         goto end;
1022                         }
1023                 else
1024                         {
1025                         ASN1_INTEGER_set(bs,1);
1026                         BN_one(serial);
1027                         }
1028                 }
1029         else 
1030                 {
1031                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
1032                         {
1033                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
1034                         ERR_print_errors(bio_err);
1035                         goto end;
1036                         }
1037                 else
1038                         {
1039                         serial=BN_bin2bn(bs->data,bs->length,serial);
1040                         if (serial == NULL)
1041                                 {
1042                                 BIO_printf(bio_err,"error converting bin 2 bn");
1043                                 goto end;
1044                                 }
1045                         }
1046                 }
1047
1048         if (!BN_add_word(serial,1))
1049                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1050         bs2.data=(unsigned char *)buf2;
1051         bs2.length=BN_bn2bin(serial,bs2.data);
1052
1053         if (BIO_write_filename(io,buf) <= 0)
1054                 {
1055                 BIO_printf(bio_err,"error attempting to write serial number file\n");
1056                 perror(buf);
1057                 goto end;
1058                 }
1059         i2a_ASN1_INTEGER(io,&bs2);
1060         BIO_puts(io,"\n");
1061         BIO_free(io);
1062         io=NULL;
1063         
1064         if (!X509_STORE_add_cert(ctx,x)) goto end;
1065
1066         /* NOTE: this certificate can/should be self signed, unless it was
1067          * a certificate request in which case it is not. */
1068         X509_STORE_CTX_set_cert(&xsc,x);
1069         if (!reqfile && !X509_verify_cert(&xsc))
1070                 goto end;
1071
1072         if (!X509_check_private_key(xca,pkey))
1073                 {
1074                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1075                 goto end;
1076                 }
1077
1078         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1079         if (!X509_set_serialNumber(x,bs)) goto end;
1080
1081         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1082                 goto end;
1083
1084         /* hardwired expired */
1085         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1086                 goto end;
1087
1088         if (clrext)
1089                 {
1090                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1091                 }
1092
1093         if (conf)
1094                 {
1095                 X509V3_CTX ctx2;
1096                 X509_set_version(x,2); /* version 3 certificate */
1097                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1098                 X509V3_set_conf_lhash(&ctx2, conf);
1099                 if (!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1100                 }
1101
1102         if (!X509_sign(x,pkey,digest)) goto end;
1103         ret=1;
1104 end:
1105         X509_STORE_CTX_cleanup(&xsc);
1106         if (!ret)
1107                 ERR_print_errors(bio_err);
1108         if (buf != NULL) OPENSSL_free(buf);
1109         if (bs != NULL) ASN1_INTEGER_free(bs);
1110         if (io != NULL) BIO_free(io);
1111         if (serial != NULL) BN_free(serial);
1112         return ret;
1113         }
1114
1115 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1116         {
1117         int err;
1118         X509 *err_cert;
1119
1120         /* it is ok to use a self signed certificate
1121          * This case will catch both the initial ok == 0 and the
1122          * final ok == 1 calls to this function */
1123         err=X509_STORE_CTX_get_error(ctx);
1124         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1125                 return 1;
1126
1127         /* BAD we should have gotten an error.  Normally if everything
1128          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1129          * DEPTH_ZERO_SELF_.... */
1130         if (ok)
1131                 {
1132                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1133                 return 0;
1134                 }
1135         else
1136                 {
1137                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1138                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1139                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1140                         err,X509_STORE_CTX_get_error_depth(ctx),
1141                         X509_verify_cert_error_string(err));
1142                 return 1;
1143                 }
1144         }
1145
1146 /* self sign */
1147 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1148                                                 LHASH *conf, char *section)
1149         {
1150
1151         EVP_PKEY *pktmp;
1152
1153         pktmp = X509_get_pubkey(x);
1154         EVP_PKEY_copy_parameters(pktmp,pkey);
1155         EVP_PKEY_save_parameters(pktmp,1);
1156         EVP_PKEY_free(pktmp);
1157
1158         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1159         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1160
1161         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1162         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1163         /* 28 days to be certified */
1164
1165         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1166                 goto err;
1167
1168         if (!X509_set_pubkey(x,pkey)) goto err;
1169         if (clrext)
1170                 {
1171                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1172                 }
1173         if (conf)
1174                 {
1175                 X509V3_CTX ctx;
1176                 X509_set_version(x,2); /* version 3 certificate */
1177                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1178                 X509V3_set_conf_lhash(&ctx, conf);
1179                 if (!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1180                 }
1181         if (!X509_sign(x,pkey,digest)) goto err;
1182         return 1;
1183 err:
1184         ERR_print_errors(bio_err);
1185         return 0;
1186         }
1187
1188 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1189 {
1190         int id, i, idret;
1191         char *pname;
1192         id = X509_PURPOSE_get_id(pt);
1193         pname = X509_PURPOSE_get0_name(pt);
1194         for (i = 0; i < 2; i++)
1195                 {
1196                 idret = X509_check_purpose(cert, id, i);
1197                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1198                 if (idret == 1) BIO_printf(bio, "Yes\n");
1199                 else if (idret == 0) BIO_printf(bio, "No\n");
1200                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1201                 }
1202         return 1;
1203 }
1204
1205
1206