658afcef5ed1a7e4cf4e3a915f6f52235cb30beb
[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         if (engine != NULL)
452                 {
453                 if((e = ENGINE_by_id(engine)) == NULL)
454                         {
455                         BIO_printf(bio_err,"invalid engine \"%s\"\n",
456                                 engine);
457                         goto end;
458                         }
459                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
460                         {
461                         BIO_printf(bio_err,"can't use that engine\n");
462                         goto end;
463                         }
464                 BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
465                 /* Free our "structural" reference. */
466                 ENGINE_free(e);
467                 }
468
469         if (need_rand)
470                 app_RAND_load_file(NULL, bio_err, 0);
471
472         ERR_load_crypto_strings();
473
474         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
475                 {
476                 BIO_printf(bio_err, "Error getting password\n");
477                 goto end;
478                 }
479
480         if (!X509_STORE_set_default_paths(ctx))
481                 {
482                 ERR_print_errors(bio_err);
483                 goto end;
484                 }
485
486         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
487                 { CAkeyfile=CAfile; }
488         else if ((CA_flag) && (CAkeyfile == NULL))
489                 {
490                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
491                 goto end;
492                 }
493
494         if (extfile)
495                 {
496                 long errorline;
497                 X509V3_CTX ctx2;
498                 if (!(extconf=CONF_load(NULL,extfile,&errorline)))
499                         {
500                         if (errorline <= 0)
501                                 BIO_printf(bio_err,
502                                         "error loading the config file '%s'\n",
503                                                                 extfile);
504                         else
505                                 BIO_printf(bio_err,
506                                        "error on line %ld of config file '%s'\n"
507                                                         ,errorline,extfile);
508                         goto end;
509                         }
510                 if (!extsect)
511                         {
512                         extsect = CONF_get_string(extconf, "default", "extensions");
513                         if (!extsect)
514                                 {
515                                 ERR_clear_error();
516                                 extsect = "default";
517                                 }
518                         }
519                 X509V3_set_ctx_test(&ctx2);
520                 X509V3_set_conf_lhash(&ctx2, extconf);
521                 if (!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL))
522                         {
523                         BIO_printf(bio_err,
524                                 "Error Loading extension section %s\n",
525                                                                  extsect);
526                         ERR_print_errors(bio_err);
527                         goto end;
528                         }
529                 }
530
531
532         if (reqfile)
533                 {
534                 EVP_PKEY *pkey;
535                 X509_CINF *ci;
536                 BIO *in;
537
538                 if (!sign_flag && !CA_flag)
539                         {
540                         BIO_printf(bio_err,"We need a private key to sign with\n");
541                         goto end;
542                         }
543                 in=BIO_new(BIO_s_file());
544                 if (in == NULL)
545                         {
546                         ERR_print_errors(bio_err);
547                         goto end;
548                         }
549
550                 if (infile == NULL)
551                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
552                 else
553                         {
554                         if (BIO_read_filename(in,infile) <= 0)
555                                 {
556                                 perror(infile);
557                                 BIO_free(in);
558                                 goto end;
559                                 }
560                         }
561                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
562                 BIO_free(in);
563
564                 if (req == NULL)
565                         {
566                         ERR_print_errors(bio_err);
567                         goto end;
568                         }
569
570                 if (    (req->req_info == NULL) ||
571                         (req->req_info->pubkey == NULL) ||
572                         (req->req_info->pubkey->public_key == NULL) ||
573                         (req->req_info->pubkey->public_key->data == NULL))
574                         {
575                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
576                         BIO_printf(bio_err,"It does not contain a public key\n");
577                         goto end;
578                         }
579                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
580                         {
581                         BIO_printf(bio_err,"error unpacking public key\n");
582                         goto end;
583                         }
584                 i=X509_REQ_verify(req,pkey);
585                 EVP_PKEY_free(pkey);
586                 if (i < 0)
587                         {
588                         BIO_printf(bio_err,"Signature verification error\n");
589                         ERR_print_errors(bio_err);
590                         goto end;
591                         }
592                 if (i == 0)
593                         {
594                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
595                         goto end;
596                         }
597                 else
598                         BIO_printf(bio_err,"Signature ok\n");
599
600                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
601
602                 if ((x=X509_new()) == NULL) goto end;
603                 ci=x->cert_info;
604
605                 if (sno)
606                         {
607                         if (!X509_set_serialNumber(x, sno))
608                                 goto end;
609                         }
610                 else if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
611                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
612                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
613
614                 X509_gmtime_adj(X509_get_notBefore(x),0);
615                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
616
617                 pkey = X509_REQ_get_pubkey(req);
618                 X509_set_pubkey(x,pkey);
619                 EVP_PKEY_free(pkey);
620                 }
621         else
622                 x=load_cert(bio_err,infile,informat);
623
624         if (x == NULL) goto end;
625         if (CA_flag)
626                 {
627                 xca=load_cert(bio_err,CAfile,CAformat);
628                 if (xca == NULL) goto end;
629                 }
630
631         if (!noout || text)
632                 {
633                 OBJ_create("2.99999.3",
634                         "SET.ex3","SET x509v3 extension 3");
635
636                 out=BIO_new(BIO_s_file());
637                 if (out == NULL)
638                         {
639                         ERR_print_errors(bio_err);
640                         goto end;
641                         }
642                 if (outfile == NULL)
643                         {
644                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
645 #ifdef OPENSSL_SYS_VMS
646                         {
647                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
648                         out = BIO_push(tmpbio, out);
649                         }
650 #endif
651                         }
652                 else
653                         {
654                         if (BIO_write_filename(out,outfile) <= 0)
655                                 {
656                                 perror(outfile);
657                                 goto end;
658                                 }
659                         }
660                 }
661
662         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
663
664         if (clrtrust) X509_trust_clear(x);
665         if (clrreject) X509_reject_clear(x);
666
667         if (trust)
668                 {
669                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
670                         {
671                         objtmp = sk_ASN1_OBJECT_value(trust, i);
672                         X509_add1_trust_object(x, objtmp);
673                         }
674                 }
675
676         if (reject)
677                 {
678                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
679                         {
680                         objtmp = sk_ASN1_OBJECT_value(reject, i);
681                         X509_add1_reject_object(x, objtmp);
682                         }
683                 }
684
685         if (num)
686                 {
687                 for (i=1; i<=num; i++)
688                         {
689                         if (issuer == i)
690                                 {
691                                 print_name(STDout, "issuer= ",
692                                         X509_get_issuer_name(x), nmflag);
693                                 }
694                         else if (subject == i) 
695                                 {
696                                 print_name(STDout, "subject= ",
697                                         X509_get_subject_name(x), nmflag);
698                                 }
699                         else if (serial == i)
700                                 {
701                                 BIO_printf(STDout,"serial=");
702                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
703                                 BIO_printf(STDout,"\n");
704                                 }
705                         else if (email == i) 
706                                 {
707                                 int j;
708                                 STACK *emlst;
709                                 emlst = X509_get1_email(x);
710                                 for (j = 0; j < sk_num(emlst); j++)
711                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
712                                 X509_email_free(emlst);
713                                 }
714                         else if (aliasout == i)
715                                 {
716                                 unsigned char *alstr;
717                                 alstr = X509_alias_get0(x, NULL);
718                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
719                                 else BIO_puts(STDout,"<No Alias>\n");
720                                 }
721                         else if (hash == i)
722                                 {
723                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
724                                 }
725                         else if (pprint == i)
726                                 {
727                                 X509_PURPOSE *ptmp;
728                                 int j;
729                                 BIO_printf(STDout, "Certificate purposes:\n");
730                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
731                                         {
732                                         ptmp = X509_PURPOSE_get0(j);
733                                         purpose_print(STDout, x, ptmp);
734                                         }
735                                 }
736                         else
737                                 if (modulus == i)
738                                 {
739                                 EVP_PKEY *pkey;
740
741                                 pkey=X509_get_pubkey(x);
742                                 if (pkey == NULL)
743                                         {
744                                         BIO_printf(bio_err,"Modulus=unavailable\n");
745                                         ERR_print_errors(bio_err);
746                                         goto end;
747                                         }
748                                 BIO_printf(STDout,"Modulus=");
749 #ifndef OPENSSL_NO_RSA
750                                 if (pkey->type == EVP_PKEY_RSA)
751                                         BN_print(STDout,pkey->pkey.rsa->n);
752                                 else
753 #endif
754 #ifndef OPENSSL_NO_DSA
755                                 if (pkey->type == EVP_PKEY_DSA)
756                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
757                                 else
758 #endif
759                                         BIO_printf(STDout,"Wrong Algorithm type");
760                                 BIO_printf(STDout,"\n");
761                                 EVP_PKEY_free(pkey);
762                                 }
763                         else
764                                 if (pubkey == i)
765                                 {
766                                 EVP_PKEY *pkey;
767
768                                 pkey=X509_get_pubkey(x);
769                                 if (pkey == NULL)
770                                         {
771                                         BIO_printf(bio_err,"Error getting public key\n");
772                                         ERR_print_errors(bio_err);
773                                         goto end;
774                                         }
775                                 PEM_write_bio_PUBKEY(STDout, pkey);
776                                 EVP_PKEY_free(pkey);
777                                 }
778                         else
779                                 if (C == i)
780                                 {
781                                 unsigned char *d;
782                                 char *m;
783                                 int y,z;
784
785                                 X509_NAME_oneline(X509_get_subject_name(x),
786                                         buf,256);
787                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
788                                 m=X509_NAME_oneline(
789                                         X509_get_issuer_name(x),buf,256);
790                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
791
792                                 z=i2d_X509(x,NULL);
793                                 m=OPENSSL_malloc(z);
794
795                                 d=(unsigned char *)m;
796                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
797                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
798                                 d=(unsigned char *)m;
799                                 for (y=0; y<z; y++)
800                                         {
801                                         BIO_printf(STDout,"0x%02X,",d[y]);
802                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
803                                         }
804                                 if (y%16 != 0) BIO_printf(STDout,"\n");
805                                 BIO_printf(STDout,"};\n");
806
807                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
808                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
809                                 d=(unsigned char *)m;
810                                 for (y=0; y<z; y++)
811                                         {
812                                         BIO_printf(STDout,"0x%02X,",d[y]);
813                                         if ((y & 0x0f) == 0x0f)
814                                                 BIO_printf(STDout,"\n");
815                                         }
816                                 if (y%16 != 0) BIO_printf(STDout,"\n");
817                                 BIO_printf(STDout,"};\n");
818
819                                 z=i2d_X509(x,&d);
820                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
821                                 d=(unsigned char *)m;
822                                 for (y=0; y<z; y++)
823                                         {
824                                         BIO_printf(STDout,"0x%02X,",d[y]);
825                                         if ((y & 0x0f) == 0x0f)
826                                                 BIO_printf(STDout,"\n");
827                                         }
828                                 if (y%16 != 0) BIO_printf(STDout,"\n");
829                                 BIO_printf(STDout,"};\n");
830
831                                 OPENSSL_free(m);
832                                 }
833                         else if (text == i)
834                                 {
835                                 X509_print_ex(out,x,nmflag, certflag);
836                                 }
837                         else if (startdate == i)
838                                 {
839                                 BIO_puts(STDout,"notBefore=");
840                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
841                                 BIO_puts(STDout,"\n");
842                                 }
843                         else if (enddate == i)
844                                 {
845                                 BIO_puts(STDout,"notAfter=");
846                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
847                                 BIO_puts(STDout,"\n");
848                                 }
849                         else if (fingerprint == i)
850                                 {
851                                 int j;
852                                 unsigned int n;
853                                 unsigned char md[EVP_MAX_MD_SIZE];
854
855                                 if (!X509_digest(x,digest,md,&n))
856                                         {
857                                         BIO_printf(bio_err,"out of memory\n");
858                                         goto end;
859                                         }
860                                 BIO_printf(STDout,"%s Fingerprint=",
861                                                 OBJ_nid2sn(EVP_MD_type(digest)));
862                                 for (j=0; j<(int)n; j++)
863                                         {
864                                         BIO_printf(STDout,"%02X%c",md[j],
865                                                 (j+1 == (int)n)
866                                                 ?'\n':':');
867                                         }
868                                 }
869
870                         /* should be in the library */
871                         else if ((sign_flag == i) && (x509req == 0))
872                                 {
873                                 BIO_printf(bio_err,"Getting Private key\n");
874                                 if (Upkey == NULL)
875                                         {
876                                         Upkey=load_key(bio_err,
877                                                 keyfile,keyformat, passin, e);
878                                         if (Upkey == NULL) goto end;
879                                         }
880 #ifndef OPENSSL_NO_DSA
881                                 if (Upkey->type == EVP_PKEY_DSA)
882                                         digest=EVP_dss1();
883 #endif
884
885                                 assert(need_rand);
886                                 if (!sign(x,Upkey,days,clrext,digest,
887                                                  extconf, extsect)) goto end;
888                                 }
889                         else if (CA_flag == i)
890                                 {
891                                 BIO_printf(bio_err,"Getting CA Private Key\n");
892                                 if (CAkeyfile != NULL)
893                                         {
894                                         CApkey=load_key(bio_err,
895                                                 CAkeyfile,CAkeyformat, passin,
896                                                 e);
897                                         if (CApkey == NULL) goto end;
898                                         }
899 #ifndef OPENSSL_NO_DSA
900                                 if (CApkey->type == EVP_PKEY_DSA)
901                                         digest=EVP_dss1();
902 #endif
903                                 
904                                 assert(need_rand);
905                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
906                                         CApkey, CAserial,CA_createserial,days, clrext,
907                                         extconf, extsect, sno))
908                                         goto end;
909                                 }
910                         else if (x509req == i)
911                                 {
912                                 EVP_PKEY *pk;
913
914                                 BIO_printf(bio_err,"Getting request Private Key\n");
915                                 if (keyfile == NULL)
916                                         {
917                                         BIO_printf(bio_err,"no request key file specified\n");
918                                         goto end;
919                                         }
920                                 else
921                                         {
922                                         pk=load_key(bio_err,
923                                                 keyfile,FORMAT_PEM, passin, e);
924                                         if (pk == NULL) goto end;
925                                         }
926
927                                 BIO_printf(bio_err,"Generating certificate request\n");
928
929                                 if (pk->type == EVP_PKEY_DSA)
930                                         digest=EVP_dss1();
931
932                                 rq=X509_to_X509_REQ(x,pk,digest);
933                                 EVP_PKEY_free(pk);
934                                 if (rq == NULL)
935                                         {
936                                         ERR_print_errors(bio_err);
937                                         goto end;
938                                         }
939                                 if (!noout)
940                                         {
941                                         X509_REQ_print(out,rq);
942                                         PEM_write_bio_X509_REQ(out,rq);
943                                         }
944                                 noout=1;
945                                 }
946                         else if (ocspid == i)
947                                 {
948                                 X509_ocspid_print(out, x);
949                                 }
950                         }
951                 }
952
953         if (checkend)
954                 {
955                 time_t tnow=time(NULL);
956
957                 if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x), tnow+checkoffset) == -1)
958                         {
959                         BIO_printf(out,"Certificate will expire\n");
960                         ret=1;
961                         }
962                 else
963                         {
964                         BIO_printf(out,"Certificate will not expire\n");
965                         ret=0;
966                         }
967                 goto end;
968                 }
969
970         if (noout)
971                 {
972                 ret=0;
973                 goto end;
974                 }
975
976         if      (outformat == FORMAT_ASN1)
977                 i=i2d_X509_bio(out,x);
978         else if (outformat == FORMAT_PEM)
979                 {
980                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
981                 else i=PEM_write_bio_X509(out,x);
982                 }
983         else if (outformat == FORMAT_NETSCAPE)
984                 {
985                 ASN1_HEADER ah;
986                 ASN1_OCTET_STRING os;
987
988                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
989                 os.length=strlen(NETSCAPE_CERT_HDR);
990                 ah.header= &os;
991                 ah.data=(char *)x;
992                 ah.meth=X509_asn1_meth();
993
994                 /* no macro for this one yet */
995                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
996                 }
997         else    {
998                 BIO_printf(bio_err,"bad output format specified for outfile\n");
999                 goto end;
1000                 }
1001         if (!i)
1002                 {
1003                 BIO_printf(bio_err,"unable to write certificate\n");
1004                 ERR_print_errors(bio_err);
1005                 goto end;
1006                 }
1007         ret=0;
1008 end:
1009         if (need_rand)
1010                 app_RAND_write_file(NULL, bio_err);
1011         OBJ_cleanup();
1012         CONF_free(extconf);
1013         BIO_free_all(out);
1014         BIO_free_all(STDout);
1015         X509_STORE_free(ctx);
1016         X509_REQ_free(req);
1017         X509_free(x);
1018         X509_free(xca);
1019         EVP_PKEY_free(Upkey);
1020         EVP_PKEY_free(CApkey);
1021         X509_REQ_free(rq);
1022         ASN1_INTEGER_free(sno);
1023         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1024         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1025         if (passin) OPENSSL_free(passin);
1026         EXIT(ret);
1027         }
1028
1029 static ASN1_INTEGER *load_serial(char *CAfile, char *serialfile, int create)
1030         {
1031         char *buf = NULL, *p;
1032         MS_STATIC char buf2[1024];
1033         ASN1_INTEGER *bs = NULL, bs2;
1034         BIO *io = NULL;
1035         BIGNUM *serial = NULL;
1036         buf=OPENSSL_malloc( ((serialfile == NULL)
1037                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
1038                         :(strlen(serialfile)))+1);
1039         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1040         if (serialfile == NULL)
1041                 {
1042                 strcpy(buf,CAfile);
1043                 for (p=buf; *p; p++)
1044                         if (*p == '.')
1045                                 {
1046                                 *p='\0';
1047                                 break;
1048                                 }
1049                 strcat(buf,POSTFIX);
1050                 }
1051         else
1052                 strcpy(buf,serialfile);
1053         serial=BN_new();
1054         bs=ASN1_INTEGER_new();
1055         if ((serial == NULL) || (bs == NULL))
1056                 {
1057                 ERR_print_errors(bio_err);
1058                 goto end;
1059                 }
1060
1061         io=BIO_new(BIO_s_file());
1062         if (io == NULL)
1063                 {
1064                 ERR_print_errors(bio_err);
1065                 goto end;
1066                 }
1067         
1068         if (BIO_read_filename(io,buf) <= 0)
1069                 {
1070                 if (!create)
1071                         {
1072                         perror(buf);
1073                         goto end;
1074                         }
1075                 else
1076                         {
1077                         ASN1_INTEGER_set(bs,1);
1078                         BN_one(serial);
1079                         }
1080                 }
1081         else 
1082                 {
1083                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
1084                         {
1085                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
1086                         ERR_print_errors(bio_err);
1087                         goto end;
1088                         }
1089                 else
1090                         {
1091                         serial=BN_bin2bn(bs->data,bs->length,serial);
1092                         if (serial == NULL)
1093                                 {
1094                                 BIO_printf(bio_err,"error converting bin 2 bn");
1095                                 goto end;
1096                                 }
1097                         }
1098                 }
1099
1100         if (!BN_add_word(serial,1))
1101                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1102         bs2.data=(unsigned char *)buf2;
1103         bs2.length=BN_bn2bin(serial,bs2.data);
1104
1105         if (BIO_write_filename(io,buf) <= 0)
1106                 {
1107                 BIO_printf(bio_err,"error attempting to write serial number file\n");
1108                 perror(buf);
1109                 goto end;
1110                 }
1111         i2a_ASN1_INTEGER(io,&bs2);
1112         BIO_puts(io,"\n");
1113         BIO_free(io);
1114         io=NULL;
1115         return bs;
1116
1117         end:
1118         BIO_free(io);
1119         ASN1_INTEGER_free(bs);
1120         BN_free(serial);
1121         return NULL;
1122
1123         }
1124
1125 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1126              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1127              int days, int clrext, LHASH *conf, char *section, ASN1_INTEGER *sno)
1128         {
1129         int ret=0;
1130         ASN1_INTEGER *bs=NULL;
1131         X509_STORE_CTX xsc;
1132         EVP_PKEY *upkey;
1133
1134         upkey = X509_get_pubkey(xca);
1135         EVP_PKEY_copy_parameters(upkey,pkey);
1136         EVP_PKEY_free(upkey);
1137
1138         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
1139         if (sno) bs = sno;
1140         else if (!(bs = load_serial(CAfile, serialfile, create)))
1141                 goto end;
1142
1143         if (!X509_STORE_add_cert(ctx,x)) goto end;
1144
1145         /* NOTE: this certificate can/should be self signed, unless it was
1146          * a certificate request in which case it is not. */
1147         X509_STORE_CTX_set_cert(&xsc,x);
1148         if (!reqfile && !X509_verify_cert(&xsc))
1149                 goto end;
1150
1151         if (!X509_check_private_key(xca,pkey))
1152                 {
1153                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1154                 goto end;
1155                 }
1156
1157         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1158         if (!X509_set_serialNumber(x,bs)) goto end;
1159
1160         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1161                 goto end;
1162
1163         /* hardwired expired */
1164         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1165                 goto end;
1166
1167         if (clrext)
1168                 {
1169                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1170                 }
1171
1172         if (conf)
1173                 {
1174                 X509V3_CTX ctx2;
1175                 X509_set_version(x,2); /* version 3 certificate */
1176                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1177                 X509V3_set_conf_lhash(&ctx2, conf);
1178                 if (!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1179                 }
1180
1181         if (!X509_sign(x,pkey,digest)) goto end;
1182         ret=1;
1183 end:
1184         X509_STORE_CTX_cleanup(&xsc);
1185         if (!ret)
1186                 ERR_print_errors(bio_err);
1187         if (!sno) ASN1_INTEGER_free(bs);
1188         return ret;
1189         }
1190
1191 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1192         {
1193         int err;
1194         X509 *err_cert;
1195
1196         /* it is ok to use a self signed certificate
1197          * This case will catch both the initial ok == 0 and the
1198          * final ok == 1 calls to this function */
1199         err=X509_STORE_CTX_get_error(ctx);
1200         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1201                 return 1;
1202
1203         /* BAD we should have gotten an error.  Normally if everything
1204          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1205          * DEPTH_ZERO_SELF_.... */
1206         if (ok)
1207                 {
1208                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1209                 return 0;
1210                 }
1211         else
1212                 {
1213                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1214                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1215                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1216                         err,X509_STORE_CTX_get_error_depth(ctx),
1217                         X509_verify_cert_error_string(err));
1218                 return 1;
1219                 }
1220         }
1221
1222 /* self sign */
1223 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1224                                                 LHASH *conf, char *section)
1225         {
1226
1227         EVP_PKEY *pktmp;
1228
1229         pktmp = X509_get_pubkey(x);
1230         EVP_PKEY_copy_parameters(pktmp,pkey);
1231         EVP_PKEY_save_parameters(pktmp,1);
1232         EVP_PKEY_free(pktmp);
1233
1234         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1235         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1236
1237         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1238         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1239         /* 28 days to be certified */
1240
1241         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1242                 goto err;
1243
1244         if (!X509_set_pubkey(x,pkey)) goto err;
1245         if (clrext)
1246                 {
1247                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1248                 }
1249         if (conf)
1250                 {
1251                 X509V3_CTX ctx;
1252                 X509_set_version(x,2); /* version 3 certificate */
1253                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1254                 X509V3_set_conf_lhash(&ctx, conf);
1255                 if (!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1256                 }
1257         if (!X509_sign(x,pkey,digest)) goto err;
1258         return 1;
1259 err:
1260         ERR_print_errors(bio_err);
1261         return 0;
1262         }
1263
1264 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1265 {
1266         int id, i, idret;
1267         char *pname;
1268         id = X509_PURPOSE_get_id(pt);
1269         pname = X509_PURPOSE_get0_name(pt);
1270         for (i = 0; i < 2; i++)
1271                 {
1272                 idret = X509_check_purpose(cert, id, i);
1273                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1274                 if (idret == 1) BIO_printf(bio, "Yes\n");
1275                 else if (idret == 0) BIO_printf(bio, "No\n");
1276                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1277                 }
1278         return 1;
1279 }
1280
1281
1282