8a392d813a3515c51b650adde75ad51d65b7643c
[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 OPENSSL_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 #include <openssl/engine.h>
77
78 #undef PROG
79 #define PROG x509_main
80
81 #undef POSTFIX
82 #define POSTFIX ".srl"
83 #define DEF_DAYS        30
84
85 static char *x509_usage[]={
86 "usage: x509 args\n",
87 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
88 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
89 " -keyform arg    - private key format - default PEM\n",
90 " -CAform arg     - CA format - default PEM\n",
91 " -CAkeyform arg  - CA key format - default PEM\n",
92 " -in arg         - input file - default stdin\n",
93 " -out arg        - output file - default stdout\n",
94 " -passin arg     - private key password source\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 " -email          - print email address(es)\n",
100 " -startdate      - notBefore field\n",
101 " -enddate        - notAfter field\n",
102 " -purpose        - print out certificate purposes\n",
103 " -dates          - both Before and After dates\n",
104 " -modulus        - print the RSA key modulus\n",
105 " -pubkey         - output the public key\n",
106 " -fingerprint    - print the certificate fingerprint\n",
107 " -alias          - output certificate alias\n",
108 " -noout          - no certificate output\n",
109 " -ocspid         - print OCSP hash values for the subject name and public key\n",
110 " -trustout       - output a \"trusted\" certificate\n",
111 " -clrtrust       - clear all trusted purposes\n",
112 " -clrreject      - clear all rejected purposes\n",
113 " -addtrust arg   - trust certificate for a given purpose\n",
114 " -addreject arg  - reject certificate for a given purpose\n",
115 " -setalias arg   - set certificate alias\n",
116 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
117 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
118 "                   exit 1 if so, 0 if not\n",
119 " -signkey arg    - self sign cert with arg\n",
120 " -x509toreq      - output a certification request object\n",
121 " -req            - input is a certificate request, sign and output.\n",
122 " -CA arg         - set the CA certificate, must be PEM format.\n",
123 " -CAkey arg      - set the CA key, must be PEM format\n",
124 "                   missing, it is assumed to be in the CA file.\n",
125 " -CAcreateserial - create serial number file if it does not exist\n",
126 " -CAserial       - serial file\n",
127 " -set_serial     - serial number to use\n",
128 " -text           - print the certificate in text form\n",
129 " -C              - print out C code forms\n",
130 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
131 " -extfile        - configuration file with X509V3 extensions to add\n",
132 " -extensions     - section from config file with X509V3 extensions to add\n",
133 " -clrext         - delete extensions before signing and input certificate\n",
134 " -nameopt arg    - various certificate name options\n",
135 " -engine e       - use engine e, possibly a hardware device.\n",
136 " -certopt arg    - various certificate text options\n",
137 NULL
138 };
139
140 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
141 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
142                                                 LHASH *conf, char *section);
143 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
144                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
145                          int create,int days, int clrext, LHASH *conf, char *section,
146                                                 ASN1_INTEGER *sno);
147 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
148 static int reqfile=0;
149
150 int MAIN(int, char **);
151
152 int MAIN(int argc, char **argv)
153         {
154         ENGINE *e = NULL;
155         int ret=1;
156         X509_REQ *req=NULL;
157         X509 *x=NULL,*xca=NULL;
158         ASN1_OBJECT *objtmp;
159         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
160         ASN1_INTEGER *sno = NULL;
161         int i,num,badops=0;
162         BIO *out=NULL;
163         BIO *STDout=NULL;
164         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
165         int informat,outformat,keyformat,CAformat,CAkeyformat;
166         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
167         char *CAkeyfile=NULL,*CAserial=NULL;
168         char *alias=NULL;
169         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
170         int ocspid=0;
171         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
172         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
173         int C=0;
174         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
175         int pprint = 0;
176         char **pp;
177         X509_STORE *ctx=NULL;
178         X509_REQ *rq=NULL;
179         int fingerprint=0;
180         char buf[256];
181         const EVP_MD *md_alg,*digest=EVP_md5();
182         LHASH *extconf = NULL;
183         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
184         int need_rand = 0;
185         int checkend=0,checkoffset=0;
186         unsigned long nmflag = 0, certflag = 0;
187         char *engine=NULL;
188
189         reqfile=0;
190
191         apps_startup();
192
193         if (bio_err == NULL)
194                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
195         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
196 #ifdef OPENSSL_SYS_VMS
197         {
198         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
199         STDout = BIO_push(tmpbio, STDout);
200         }
201 #endif
202
203         informat=FORMAT_PEM;
204         outformat=FORMAT_PEM;
205         keyformat=FORMAT_PEM;
206         CAformat=FORMAT_PEM;
207         CAkeyformat=FORMAT_PEM;
208
209         ctx=X509_STORE_new();
210         if (ctx == NULL) goto end;
211         X509_STORE_set_verify_cb_func(ctx,callb);
212
213         argc--;
214         argv++;
215         num=0;
216         while (argc >= 1)
217                 {
218                 if      (strcmp(*argv,"-inform") == 0)
219                         {
220                         if (--argc < 1) goto bad;
221                         informat=str2fmt(*(++argv));
222                         }
223                 else if (strcmp(*argv,"-outform") == 0)
224                         {
225                         if (--argc < 1) goto bad;
226                         outformat=str2fmt(*(++argv));
227                         }
228                 else if (strcmp(*argv,"-keyform") == 0)
229                         {
230                         if (--argc < 1) goto bad;
231                         keyformat=str2fmt(*(++argv));
232                         }
233                 else if (strcmp(*argv,"-req") == 0)
234                         {
235                         reqfile=1;
236                         need_rand = 1;
237                         }
238                 else if (strcmp(*argv,"-CAform") == 0)
239                         {
240                         if (--argc < 1) goto bad;
241                         CAformat=str2fmt(*(++argv));
242                         }
243                 else if (strcmp(*argv,"-CAkeyform") == 0)
244                         {
245                         if (--argc < 1) goto bad;
246                         CAformat=str2fmt(*(++argv));
247                         }
248                 else if (strcmp(*argv,"-days") == 0)
249                         {
250                         if (--argc < 1) goto bad;
251                         days=atoi(*(++argv));
252                         if (days == 0)
253                                 {
254                                 BIO_printf(STDout,"bad number of days\n");
255                                 goto bad;
256                                 }
257                         }
258                 else if (strcmp(*argv,"-passin") == 0)
259                         {
260                         if (--argc < 1) goto bad;
261                         passargin= *(++argv);
262                         }
263                 else if (strcmp(*argv,"-extfile") == 0)
264                         {
265                         if (--argc < 1) goto bad;
266                         extfile= *(++argv);
267                         }
268                 else if (strcmp(*argv,"-extensions") == 0)
269                         {
270                         if (--argc < 1) goto bad;
271                         extsect= *(++argv);
272                         }
273                 else if (strcmp(*argv,"-in") == 0)
274                         {
275                         if (--argc < 1) goto bad;
276                         infile= *(++argv);
277                         }
278                 else if (strcmp(*argv,"-out") == 0)
279                         {
280                         if (--argc < 1) goto bad;
281                         outfile= *(++argv);
282                         }
283                 else if (strcmp(*argv,"-signkey") == 0)
284                         {
285                         if (--argc < 1) goto bad;
286                         keyfile= *(++argv);
287                         sign_flag= ++num;
288                         need_rand = 1;
289                         }
290                 else if (strcmp(*argv,"-CA") == 0)
291                         {
292                         if (--argc < 1) goto bad;
293                         CAfile= *(++argv);
294                         CA_flag= ++num;
295                         need_rand = 1;
296                         }
297                 else if (strcmp(*argv,"-CAkey") == 0)
298                         {
299                         if (--argc < 1) goto bad;
300                         CAkeyfile= *(++argv);
301                         }
302                 else if (strcmp(*argv,"-CAserial") == 0)
303                         {
304                         if (--argc < 1) goto bad;
305                         CAserial= *(++argv);
306                         }
307                 else if (strcmp(*argv,"-set_serial") == 0)
308                         {
309                         if (--argc < 1) goto bad;
310                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
311                                 goto bad;
312                         }
313                 else if (strcmp(*argv,"-addtrust") == 0)
314                         {
315                         if (--argc < 1) goto bad;
316                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
317                                 {
318                                 BIO_printf(bio_err,
319                                         "Invalid trust object value %s\n", *argv);
320                                 goto bad;
321                                 }
322                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
323                         sk_ASN1_OBJECT_push(trust, objtmp);
324                         trustout = 1;
325                         }
326                 else if (strcmp(*argv,"-addreject") == 0)
327                         {
328                         if (--argc < 1) goto bad;
329                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
330                                 {
331                                 BIO_printf(bio_err,
332                                         "Invalid reject object value %s\n", *argv);
333                                 goto bad;
334                                 }
335                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
336                         sk_ASN1_OBJECT_push(reject, objtmp);
337                         trustout = 1;
338                         }
339                 else if (strcmp(*argv,"-setalias") == 0)
340                         {
341                         if (--argc < 1) goto bad;
342                         alias= *(++argv);
343                         trustout = 1;
344                         }
345                 else if (strcmp(*argv,"-certopt") == 0)
346                         {
347                         if (--argc < 1) goto bad;
348                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
349                         }
350                 else if (strcmp(*argv,"-nameopt") == 0)
351                         {
352                         if (--argc < 1) goto bad;
353                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
354                         }
355                 else if (strcmp(*argv,"-setalias") == 0)
356                         {
357                         if (--argc < 1) goto bad;
358                         alias= *(++argv);
359                         trustout = 1;
360                         }
361                 else if (strcmp(*argv,"-engine") == 0)
362                         {
363                         if (--argc < 1) goto bad;
364                         engine= *(++argv);
365                         }
366                 else if (strcmp(*argv,"-C") == 0)
367                         C= ++num;
368                 else if (strcmp(*argv,"-email") == 0)
369                         email= ++num;
370                 else if (strcmp(*argv,"-serial") == 0)
371                         serial= ++num;
372                 else if (strcmp(*argv,"-modulus") == 0)
373                         modulus= ++num;
374                 else if (strcmp(*argv,"-pubkey") == 0)
375                         pubkey= ++num;
376                 else if (strcmp(*argv,"-x509toreq") == 0)
377                         x509req= ++num;
378                 else if (strcmp(*argv,"-text") == 0)
379                         text= ++num;
380                 else if (strcmp(*argv,"-hash") == 0)
381                         hash= ++num;
382                 else if (strcmp(*argv,"-subject") == 0)
383                         subject= ++num;
384                 else if (strcmp(*argv,"-issuer") == 0)
385                         issuer= ++num;
386                 else if (strcmp(*argv,"-fingerprint") == 0)
387                         fingerprint= ++num;
388                 else if (strcmp(*argv,"-dates") == 0)
389                         {
390                         startdate= ++num;
391                         enddate= ++num;
392                         }
393                 else if (strcmp(*argv,"-purpose") == 0)
394                         pprint= ++num;
395                 else if (strcmp(*argv,"-startdate") == 0)
396                         startdate= ++num;
397                 else if (strcmp(*argv,"-enddate") == 0)
398                         enddate= ++num;
399                 else if (strcmp(*argv,"-checkend") == 0)
400                         {
401                         if (--argc < 1) goto bad;
402                         checkoffset=atoi(*(++argv));
403                         checkend=1;
404                         }
405                 else if (strcmp(*argv,"-noout") == 0)
406                         noout= ++num;
407                 else if (strcmp(*argv,"-trustout") == 0)
408                         trustout= 1;
409                 else if (strcmp(*argv,"-clrtrust") == 0)
410                         clrtrust= ++num;
411                 else if (strcmp(*argv,"-clrreject") == 0)
412                         clrreject= ++num;
413                 else if (strcmp(*argv,"-alias") == 0)
414                         aliasout= ++num;
415                 else if (strcmp(*argv,"-CAcreateserial") == 0)
416                         CA_createserial= ++num;
417                 else if (strcmp(*argv,"-clrext") == 0)
418                         clrext = 1;
419 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
420                 else if (strcmp(*argv,"-crlext") == 0)
421                         {
422                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
423                         clrext = 1;
424                         }
425 #endif
426                 else if (strcmp(*argv,"-ocspid") == 0)
427                         ocspid= ++num;
428                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
429                         {
430                         /* ok */
431                         digest=md_alg;
432                         }
433                 else
434                         {
435                         BIO_printf(bio_err,"unknown option %s\n",*argv);
436                         badops=1;
437                         break;
438                         }
439                 argc--;
440                 argv++;
441                 }
442
443         if (badops)
444                 {
445 bad:
446                 for (pp=x509_usage; (*pp != NULL); pp++)
447                         BIO_printf(bio_err,"%s",*pp);
448                 goto end;
449                 }
450
451         e = setup_engine(bio_err, engine, 0);
452
453         if (need_rand)
454                 app_RAND_load_file(NULL, bio_err, 0);
455
456         ERR_load_crypto_strings();
457
458         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
459                 {
460                 BIO_printf(bio_err, "Error getting password\n");
461                 goto end;
462                 }
463
464         if (!X509_STORE_set_default_paths(ctx))
465                 {
466                 ERR_print_errors(bio_err);
467                 goto end;
468                 }
469
470         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
471                 { CAkeyfile=CAfile; }
472         else if ((CA_flag) && (CAkeyfile == NULL))
473                 {
474                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
475                 goto end;
476                 }
477
478         if (extfile)
479                 {
480                 long errorline;
481                 X509V3_CTX ctx2;
482                 if (!(extconf=CONF_load(NULL,extfile,&errorline)))
483                         {
484                         if (errorline <= 0)
485                                 BIO_printf(bio_err,
486                                         "error loading the config file '%s'\n",
487                                                                 extfile);
488                         else
489                                 BIO_printf(bio_err,
490                                        "error on line %ld of config file '%s'\n"
491                                                         ,errorline,extfile);
492                         goto end;
493                         }
494                 if (!extsect)
495                         {
496                         extsect = CONF_get_string(extconf, "default", "extensions");
497                         if (!extsect)
498                                 {
499                                 ERR_clear_error();
500                                 extsect = "default";
501                                 }
502                         }
503                 X509V3_set_ctx_test(&ctx2);
504                 X509V3_set_conf_lhash(&ctx2, extconf);
505                 if (!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL))
506                         {
507                         BIO_printf(bio_err,
508                                 "Error Loading extension section %s\n",
509                                                                  extsect);
510                         ERR_print_errors(bio_err);
511                         goto end;
512                         }
513                 }
514
515
516         if (reqfile)
517                 {
518                 EVP_PKEY *pkey;
519                 X509_CINF *ci;
520                 BIO *in;
521
522                 if (!sign_flag && !CA_flag)
523                         {
524                         BIO_printf(bio_err,"We need a private key to sign with\n");
525                         goto end;
526                         }
527                 in=BIO_new(BIO_s_file());
528                 if (in == NULL)
529                         {
530                         ERR_print_errors(bio_err);
531                         goto end;
532                         }
533
534                 if (infile == NULL)
535                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
536                 else
537                         {
538                         if (BIO_read_filename(in,infile) <= 0)
539                                 {
540                                 perror(infile);
541                                 BIO_free(in);
542                                 goto end;
543                                 }
544                         }
545                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
546                 BIO_free(in);
547
548                 if (req == NULL)
549                         {
550                         ERR_print_errors(bio_err);
551                         goto end;
552                         }
553
554                 if (    (req->req_info == NULL) ||
555                         (req->req_info->pubkey == NULL) ||
556                         (req->req_info->pubkey->public_key == NULL) ||
557                         (req->req_info->pubkey->public_key->data == NULL))
558                         {
559                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
560                         BIO_printf(bio_err,"It does not contain a public key\n");
561                         goto end;
562                         }
563                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
564                         {
565                         BIO_printf(bio_err,"error unpacking public key\n");
566                         goto end;
567                         }
568                 i=X509_REQ_verify(req,pkey);
569                 EVP_PKEY_free(pkey);
570                 if (i < 0)
571                         {
572                         BIO_printf(bio_err,"Signature verification error\n");
573                         ERR_print_errors(bio_err);
574                         goto end;
575                         }
576                 if (i == 0)
577                         {
578                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
579                         goto end;
580                         }
581                 else
582                         BIO_printf(bio_err,"Signature ok\n");
583
584                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
585
586                 if ((x=X509_new()) == NULL) goto end;
587                 ci=x->cert_info;
588
589                 if (sno)
590                         {
591                         if (!X509_set_serialNumber(x, sno))
592                                 goto end;
593                         }
594                 else if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
595                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
596                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
597
598                 X509_gmtime_adj(X509_get_notBefore(x),0);
599                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
600
601                 pkey = X509_REQ_get_pubkey(req);
602                 X509_set_pubkey(x,pkey);
603                 EVP_PKEY_free(pkey);
604                 }
605         else
606                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
607
608         if (x == NULL) goto end;
609         if (CA_flag)
610                 {
611                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
612                 if (xca == NULL) goto end;
613                 }
614
615         if (!noout || text)
616                 {
617                 OBJ_create("2.99999.3",
618                         "SET.ex3","SET x509v3 extension 3");
619
620                 out=BIO_new(BIO_s_file());
621                 if (out == NULL)
622                         {
623                         ERR_print_errors(bio_err);
624                         goto end;
625                         }
626                 if (outfile == NULL)
627                         {
628                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
629 #ifdef OPENSSL_SYS_VMS
630                         {
631                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
632                         out = BIO_push(tmpbio, out);
633                         }
634 #endif
635                         }
636                 else
637                         {
638                         if (BIO_write_filename(out,outfile) <= 0)
639                                 {
640                                 perror(outfile);
641                                 goto end;
642                                 }
643                         }
644                 }
645
646         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
647
648         if (clrtrust) X509_trust_clear(x);
649         if (clrreject) X509_reject_clear(x);
650
651         if (trust)
652                 {
653                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
654                         {
655                         objtmp = sk_ASN1_OBJECT_value(trust, i);
656                         X509_add1_trust_object(x, objtmp);
657                         }
658                 }
659
660         if (reject)
661                 {
662                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
663                         {
664                         objtmp = sk_ASN1_OBJECT_value(reject, i);
665                         X509_add1_reject_object(x, objtmp);
666                         }
667                 }
668
669         if (num)
670                 {
671                 for (i=1; i<=num; i++)
672                         {
673                         if (issuer == i)
674                                 {
675                                 print_name(STDout, "issuer= ",
676                                         X509_get_issuer_name(x), nmflag);
677                                 }
678                         else if (subject == i) 
679                                 {
680                                 print_name(STDout, "subject= ",
681                                         X509_get_subject_name(x), nmflag);
682                                 }
683                         else if (serial == i)
684                                 {
685                                 BIO_printf(STDout,"serial=");
686                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
687                                 BIO_printf(STDout,"\n");
688                                 }
689                         else if (email == i) 
690                                 {
691                                 int j;
692                                 STACK *emlst;
693                                 emlst = X509_get1_email(x);
694                                 for (j = 0; j < sk_num(emlst); j++)
695                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
696                                 X509_email_free(emlst);
697                                 }
698                         else if (aliasout == i)
699                                 {
700                                 unsigned char *alstr;
701                                 alstr = X509_alias_get0(x, NULL);
702                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
703                                 else BIO_puts(STDout,"<No Alias>\n");
704                                 }
705                         else if (hash == i)
706                                 {
707                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
708                                 }
709                         else if (pprint == i)
710                                 {
711                                 X509_PURPOSE *ptmp;
712                                 int j;
713                                 BIO_printf(STDout, "Certificate purposes:\n");
714                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
715                                         {
716                                         ptmp = X509_PURPOSE_get0(j);
717                                         purpose_print(STDout, x, ptmp);
718                                         }
719                                 }
720                         else
721                                 if (modulus == i)
722                                 {
723                                 EVP_PKEY *pkey;
724
725                                 pkey=X509_get_pubkey(x);
726                                 if (pkey == NULL)
727                                         {
728                                         BIO_printf(bio_err,"Modulus=unavailable\n");
729                                         ERR_print_errors(bio_err);
730                                         goto end;
731                                         }
732                                 BIO_printf(STDout,"Modulus=");
733 #ifndef OPENSSL_NO_RSA
734                                 if (pkey->type == EVP_PKEY_RSA)
735                                         BN_print(STDout,pkey->pkey.rsa->n);
736                                 else
737 #endif
738 #ifndef OPENSSL_NO_DSA
739                                 if (pkey->type == EVP_PKEY_DSA)
740                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
741                                 else
742 #endif
743                                         BIO_printf(STDout,"Wrong Algorithm type");
744                                 BIO_printf(STDout,"\n");
745                                 EVP_PKEY_free(pkey);
746                                 }
747                         else
748                                 if (pubkey == i)
749                                 {
750                                 EVP_PKEY *pkey;
751
752                                 pkey=X509_get_pubkey(x);
753                                 if (pkey == NULL)
754                                         {
755                                         BIO_printf(bio_err,"Error getting public key\n");
756                                         ERR_print_errors(bio_err);
757                                         goto end;
758                                         }
759                                 PEM_write_bio_PUBKEY(STDout, pkey);
760                                 EVP_PKEY_free(pkey);
761                                 }
762                         else
763                                 if (C == i)
764                                 {
765                                 unsigned char *d;
766                                 char *m;
767                                 int y,z;
768
769                                 X509_NAME_oneline(X509_get_subject_name(x),
770                                         buf,256);
771                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
772                                 m=X509_NAME_oneline(
773                                         X509_get_issuer_name(x),buf,256);
774                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
775
776                                 z=i2d_X509(x,NULL);
777                                 m=OPENSSL_malloc(z);
778
779                                 d=(unsigned char *)m;
780                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
781                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
782                                 d=(unsigned char *)m;
783                                 for (y=0; y<z; y++)
784                                         {
785                                         BIO_printf(STDout,"0x%02X,",d[y]);
786                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
787                                         }
788                                 if (y%16 != 0) BIO_printf(STDout,"\n");
789                                 BIO_printf(STDout,"};\n");
790
791                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
792                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
793                                 d=(unsigned char *)m;
794                                 for (y=0; y<z; y++)
795                                         {
796                                         BIO_printf(STDout,"0x%02X,",d[y]);
797                                         if ((y & 0x0f) == 0x0f)
798                                                 BIO_printf(STDout,"\n");
799                                         }
800                                 if (y%16 != 0) BIO_printf(STDout,"\n");
801                                 BIO_printf(STDout,"};\n");
802
803                                 z=i2d_X509(x,&d);
804                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
805                                 d=(unsigned char *)m;
806                                 for (y=0; y<z; y++)
807                                         {
808                                         BIO_printf(STDout,"0x%02X,",d[y]);
809                                         if ((y & 0x0f) == 0x0f)
810                                                 BIO_printf(STDout,"\n");
811                                         }
812                                 if (y%16 != 0) BIO_printf(STDout,"\n");
813                                 BIO_printf(STDout,"};\n");
814
815                                 OPENSSL_free(m);
816                                 }
817                         else if (text == i)
818                                 {
819                                 X509_print_ex(out,x,nmflag, certflag);
820                                 }
821                         else if (startdate == i)
822                                 {
823                                 BIO_puts(STDout,"notBefore=");
824                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
825                                 BIO_puts(STDout,"\n");
826                                 }
827                         else if (enddate == i)
828                                 {
829                                 BIO_puts(STDout,"notAfter=");
830                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
831                                 BIO_puts(STDout,"\n");
832                                 }
833                         else if (fingerprint == i)
834                                 {
835                                 int j;
836                                 unsigned int n;
837                                 unsigned char md[EVP_MAX_MD_SIZE];
838
839                                 if (!X509_digest(x,digest,md,&n))
840                                         {
841                                         BIO_printf(bio_err,"out of memory\n");
842                                         goto end;
843                                         }
844                                 BIO_printf(STDout,"%s Fingerprint=",
845                                                 OBJ_nid2sn(EVP_MD_type(digest)));
846                                 for (j=0; j<(int)n; j++)
847                                         {
848                                         BIO_printf(STDout,"%02X%c",md[j],
849                                                 (j+1 == (int)n)
850                                                 ?'\n':':');
851                                         }
852                                 }
853
854                         /* should be in the library */
855                         else if ((sign_flag == i) && (x509req == 0))
856                                 {
857                                 BIO_printf(bio_err,"Getting Private key\n");
858                                 if (Upkey == NULL)
859                                         {
860                                         Upkey=load_key(bio_err,
861                                                 keyfile,keyformat, passin, e,
862                                                 "Private key");
863                                         if (Upkey == NULL) goto end;
864                                         }
865 #ifndef OPENSSL_NO_DSA
866                                 if (Upkey->type == EVP_PKEY_DSA)
867                                         digest=EVP_dss1();
868 #endif
869
870                                 assert(need_rand);
871                                 if (!sign(x,Upkey,days,clrext,digest,
872                                                  extconf, extsect)) goto end;
873                                 }
874                         else if (CA_flag == i)
875                                 {
876                                 BIO_printf(bio_err,"Getting CA Private Key\n");
877                                 if (CAkeyfile != NULL)
878                                         {
879                                         CApkey=load_key(bio_err,
880                                                 CAkeyfile,CAkeyformat, passin,
881                                                 e, "CA Private Key");
882                                         if (CApkey == NULL) goto end;
883                                         }
884 #ifndef OPENSSL_NO_DSA
885                                 if (CApkey->type == EVP_PKEY_DSA)
886                                         digest=EVP_dss1();
887 #endif
888                                 
889                                 assert(need_rand);
890                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
891                                         CApkey, CAserial,CA_createserial,days, clrext,
892                                         extconf, extsect, sno))
893                                         goto end;
894                                 }
895                         else if (x509req == i)
896                                 {
897                                 EVP_PKEY *pk;
898
899                                 BIO_printf(bio_err,"Getting request Private Key\n");
900                                 if (keyfile == NULL)
901                                         {
902                                         BIO_printf(bio_err,"no request key file specified\n");
903                                         goto end;
904                                         }
905                                 else
906                                         {
907                                         pk=load_key(bio_err,
908                                                 keyfile,FORMAT_PEM, passin, e,
909                                                 "request key");
910                                         if (pk == NULL) goto end;
911                                         }
912
913                                 BIO_printf(bio_err,"Generating certificate request\n");
914
915                                 if (pk->type == EVP_PKEY_DSA)
916                                         digest=EVP_dss1();
917
918                                 rq=X509_to_X509_REQ(x,pk,digest);
919                                 EVP_PKEY_free(pk);
920                                 if (rq == NULL)
921                                         {
922                                         ERR_print_errors(bio_err);
923                                         goto end;
924                                         }
925                                 if (!noout)
926                                         {
927                                         X509_REQ_print(out,rq);
928                                         PEM_write_bio_X509_REQ(out,rq);
929                                         }
930                                 noout=1;
931                                 }
932                         else if (ocspid == i)
933                                 {
934                                 X509_ocspid_print(out, x);
935                                 }
936                         }
937                 }
938
939         if (checkend)
940                 {
941                 time_t tnow=time(NULL);
942
943                 if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x), tnow+checkoffset) == -1)
944                         {
945                         BIO_printf(out,"Certificate will expire\n");
946                         ret=1;
947                         }
948                 else
949                         {
950                         BIO_printf(out,"Certificate will not expire\n");
951                         ret=0;
952                         }
953                 goto end;
954                 }
955
956         if (noout)
957                 {
958                 ret=0;
959                 goto end;
960                 }
961
962         if      (outformat == FORMAT_ASN1)
963                 i=i2d_X509_bio(out,x);
964         else if (outformat == FORMAT_PEM)
965                 {
966                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
967                 else i=PEM_write_bio_X509(out,x);
968                 }
969         else if (outformat == FORMAT_NETSCAPE)
970                 {
971                 ASN1_HEADER ah;
972                 ASN1_OCTET_STRING os;
973
974                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
975                 os.length=strlen(NETSCAPE_CERT_HDR);
976                 ah.header= &os;
977                 ah.data=(char *)x;
978                 ah.meth=X509_asn1_meth();
979
980                 /* no macro for this one yet */
981                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
982                 }
983         else    {
984                 BIO_printf(bio_err,"bad output format specified for outfile\n");
985                 goto end;
986                 }
987         if (!i)
988                 {
989                 BIO_printf(bio_err,"unable to write certificate\n");
990                 ERR_print_errors(bio_err);
991                 goto end;
992                 }
993         ret=0;
994 end:
995         if (need_rand)
996                 app_RAND_write_file(NULL, bio_err);
997         OBJ_cleanup();
998         CONF_free(extconf);
999         BIO_free_all(out);
1000         BIO_free_all(STDout);
1001         X509_STORE_free(ctx);
1002         X509_REQ_free(req);
1003         X509_free(x);
1004         X509_free(xca);
1005         EVP_PKEY_free(Upkey);
1006         EVP_PKEY_free(CApkey);
1007         X509_REQ_free(rq);
1008         ASN1_INTEGER_free(sno);
1009         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1010         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1011         if (passin) OPENSSL_free(passin);
1012         apps_shutdown();
1013         EXIT(ret);
1014         }
1015
1016 static ASN1_INTEGER *load_serial(char *CAfile, char *serialfile, int create)
1017         {
1018         char *buf = NULL, *p;
1019         MS_STATIC char buf2[1024];
1020         ASN1_INTEGER *bs = NULL, *bs2 = NULL;
1021         BIO *io = NULL;
1022         BIGNUM *serial = NULL;
1023
1024         buf=OPENSSL_malloc( ((serialfile == NULL)
1025                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
1026                         :(strlen(serialfile)))+1);
1027         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1028         if (serialfile == NULL)
1029                 {
1030                 strcpy(buf,CAfile);
1031                 for (p=buf; *p; p++)
1032                         if (*p == '.')
1033                                 {
1034                                 *p='\0';
1035                                 break;
1036                                 }
1037                 strcat(buf,POSTFIX);
1038                 }
1039         else
1040                 strcpy(buf,serialfile);
1041         serial=BN_new();
1042         bs=ASN1_INTEGER_new();
1043         if ((serial == NULL) || (bs == NULL))
1044                 {
1045                 ERR_print_errors(bio_err);
1046                 goto end;
1047                 }
1048
1049         io=BIO_new(BIO_s_file());
1050         if (io == NULL)
1051                 {
1052                 ERR_print_errors(bio_err);
1053                 goto end;
1054                 }
1055         
1056         if (BIO_read_filename(io,buf) <= 0)
1057                 {
1058                 if (!create)
1059                         {
1060                         perror(buf);
1061                         goto end;
1062                         }
1063                 else
1064                         {
1065                         ASN1_INTEGER_set(bs,1);
1066                         BN_one(serial);
1067                         }
1068                 }
1069         else 
1070                 {
1071                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
1072                         {
1073                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
1074                         ERR_print_errors(bio_err);
1075                         goto end;
1076                         }
1077                 else
1078                         {
1079                         serial=BN_bin2bn(bs->data,bs->length,serial);
1080                         if (serial == NULL)
1081                                 {
1082                                 BIO_printf(bio_err,"error converting bin 2 bn");
1083                                 goto end;
1084                                 }
1085                         }
1086                 }
1087
1088         if (!BN_add_word(serial,1))
1089                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1090         if (!(bs2 = BN_to_ASN1_INTEGER(serial, NULL)))
1091                 { BIO_printf(bio_err,"error converting bn 2 asn1_integer\n"); goto end; }
1092         if (BIO_write_filename(io,buf) <= 0)
1093                 {
1094                 BIO_printf(bio_err,"error attempting to write serial number file\n");
1095                 perror(buf);
1096                 goto end;
1097                 }
1098         i2a_ASN1_INTEGER(io,bs2);
1099         BIO_puts(io,"\n");
1100
1101         BIO_free(io);
1102         if (buf) OPENSSL_free(buf);
1103         ASN1_INTEGER_free(bs2);
1104         BN_free(serial);
1105         io=NULL;
1106         return bs;
1107
1108         end:
1109         if (buf) OPENSSL_free(buf);
1110         BIO_free(io);
1111         ASN1_INTEGER_free(bs);
1112         BN_free(serial);
1113         return NULL;
1114
1115         }
1116
1117 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1118              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1119              int days, int clrext, LHASH *conf, char *section, ASN1_INTEGER *sno)
1120         {
1121         int ret=0;
1122         ASN1_INTEGER *bs=NULL;
1123         X509_STORE_CTX xsc;
1124         EVP_PKEY *upkey;
1125
1126         upkey = X509_get_pubkey(xca);
1127         EVP_PKEY_copy_parameters(upkey,pkey);
1128         EVP_PKEY_free(upkey);
1129
1130         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
1131         if (sno) bs = sno;
1132         else if (!(bs = load_serial(CAfile, serialfile, create)))
1133                 goto end;
1134
1135         if (!X509_STORE_add_cert(ctx,x)) goto end;
1136
1137         /* NOTE: this certificate can/should be self signed, unless it was
1138          * a certificate request in which case it is not. */
1139         X509_STORE_CTX_set_cert(&xsc,x);
1140         if (!reqfile && !X509_verify_cert(&xsc))
1141                 goto end;
1142
1143         if (!X509_check_private_key(xca,pkey))
1144                 {
1145                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1146                 goto end;
1147                 }
1148
1149         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1150         if (!X509_set_serialNumber(x,bs)) goto end;
1151
1152         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1153                 goto end;
1154
1155         /* hardwired expired */
1156         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1157                 goto end;
1158
1159         if (clrext)
1160                 {
1161                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1162                 }
1163
1164         if (conf)
1165                 {
1166                 X509V3_CTX ctx2;
1167                 X509_set_version(x,2); /* version 3 certificate */
1168                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1169                 X509V3_set_conf_lhash(&ctx2, conf);
1170                 if (!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1171                 }
1172
1173         if (!X509_sign(x,pkey,digest)) goto end;
1174         ret=1;
1175 end:
1176         X509_STORE_CTX_cleanup(&xsc);
1177         if (!ret)
1178                 ERR_print_errors(bio_err);
1179         if (!sno) ASN1_INTEGER_free(bs);
1180         return ret;
1181         }
1182
1183 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1184         {
1185         int err;
1186         X509 *err_cert;
1187
1188         /* it is ok to use a self signed certificate
1189          * This case will catch both the initial ok == 0 and the
1190          * final ok == 1 calls to this function */
1191         err=X509_STORE_CTX_get_error(ctx);
1192         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1193                 return 1;
1194
1195         /* BAD we should have gotten an error.  Normally if everything
1196          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1197          * DEPTH_ZERO_SELF_.... */
1198         if (ok)
1199                 {
1200                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1201                 return 0;
1202                 }
1203         else
1204                 {
1205                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1206                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1207                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1208                         err,X509_STORE_CTX_get_error_depth(ctx),
1209                         X509_verify_cert_error_string(err));
1210                 return 1;
1211                 }
1212         }
1213
1214 /* self sign */
1215 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1216                                                 LHASH *conf, char *section)
1217         {
1218
1219         EVP_PKEY *pktmp;
1220
1221         pktmp = X509_get_pubkey(x);
1222         EVP_PKEY_copy_parameters(pktmp,pkey);
1223         EVP_PKEY_save_parameters(pktmp,1);
1224         EVP_PKEY_free(pktmp);
1225
1226         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1227         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1228
1229         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1230         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1231         /* 28 days to be certified */
1232
1233         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1234                 goto err;
1235
1236         if (!X509_set_pubkey(x,pkey)) goto err;
1237         if (clrext)
1238                 {
1239                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1240                 }
1241         if (conf)
1242                 {
1243                 X509V3_CTX ctx;
1244                 X509_set_version(x,2); /* version 3 certificate */
1245                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1246                 X509V3_set_conf_lhash(&ctx, conf);
1247                 if (!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1248                 }
1249         if (!X509_sign(x,pkey,digest)) goto err;
1250         return 1;
1251 err:
1252         ERR_print_errors(bio_err);
1253         return 0;
1254         }
1255
1256 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1257 {
1258         int id, i, idret;
1259         char *pname;
1260         id = X509_PURPOSE_get_id(pt);
1261         pname = X509_PURPOSE_get0_name(pt);
1262         for (i = 0; i < 2; i++)
1263                 {
1264                 idret = X509_check_purpose(cert, id, i);
1265                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1266                 if (idret == 1) BIO_printf(bio, "Yes\n");
1267                 else if (idret == 0) BIO_printf(bio, "No\n");
1268                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1269                 }
1270         return 1;
1271 }