Clarify what new code should not cast unused
[dragonfly.git] / crypto / openssl-0.9.7e / 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
77 #undef PROG
78 #define PROG x509_main
79
80 #undef POSTFIX
81 #define POSTFIX ".srl"
82 #define DEF_DAYS        30
83
84 static char *x509_usage[]={
85 "usage: x509 args\n",
86 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
87 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
88 " -keyform arg    - private key format - default PEM\n",
89 " -CAform arg     - CA format - default PEM\n",
90 " -CAkeyform arg  - CA key format - default PEM\n",
91 " -in arg         - input file - default stdin\n",
92 " -out arg        - output file - default stdout\n",
93 " -passin arg     - private key password source\n",
94 " -serial         - print serial number value\n",
95 " -hash           - print hash value\n",
96 " -subject        - print subject DN\n",
97 " -issuer         - print issuer DN\n",
98 " -email          - print email address(es)\n",
99 " -startdate      - notBefore field\n",
100 " -enddate        - notAfter field\n",
101 " -purpose        - print out certificate purposes\n",
102 " -dates          - both Before and After dates\n",
103 " -modulus        - print the RSA key modulus\n",
104 " -pubkey         - output the public key\n",
105 " -fingerprint    - print the certificate fingerprint\n",
106 " -alias          - output certificate alias\n",
107 " -noout          - no certificate output\n",
108 " -ocspid         - print OCSP hash values for the subject name and public key\n",
109 " -trustout       - output a \"trusted\" certificate\n",
110 " -clrtrust       - clear all trusted purposes\n",
111 " -clrreject      - clear all rejected purposes\n",
112 " -addtrust arg   - trust certificate for a given purpose\n",
113 " -addreject arg  - reject certificate for a given purpose\n",
114 " -setalias arg   - set certificate alias\n",
115 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
116 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
117 "                   exit 1 if so, 0 if not\n",
118 " -signkey arg    - self sign cert with arg\n",
119 " -x509toreq      - output a certification request object\n",
120 " -req            - input is a certificate request, sign and output.\n",
121 " -CA arg         - set the CA certificate, must be PEM format.\n",
122 " -CAkey arg      - set the CA key, must be PEM format\n",
123 "                   missing, it is assumed to be in the CA file.\n",
124 " -CAcreateserial - create serial number file if it does not exist\n",
125 " -CAserial arg   - serial file\n",
126 " -set_serial     - serial number to use\n",
127 " -text           - print the certificate in text form\n",
128 " -C              - print out C code forms\n",
129 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
130 " -extfile        - configuration file with X509V3 extensions to add\n",
131 " -extensions     - section from config file with X509V3 extensions to add\n",
132 " -clrext         - delete extensions before signing and input certificate\n",
133 " -nameopt arg    - various certificate name options\n",
134 #ifndef OPENSSL_NO_ENGINE
135 " -engine e       - use engine e, possibly a hardware device.\n",
136 #endif
137 " -certopt arg    - various certificate text options\n",
138 NULL
139 };
140
141 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
142 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
143                                                 CONF *conf, char *section);
144 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
145                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
146                          int create,int days, int clrext, CONF *conf, char *section,
147                                                 ASN1_INTEGER *sno);
148 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
149 static int reqfile=0;
150
151 int MAIN(int, char **);
152
153 int MAIN(int argc, char **argv)
154         {
155         ENGINE *e = NULL;
156         int ret=1;
157         X509_REQ *req=NULL;
158         X509 *x=NULL,*xca=NULL;
159         ASN1_OBJECT *objtmp;
160         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
161         ASN1_INTEGER *sno = NULL;
162         int i,num,badops=0;
163         BIO *out=NULL;
164         BIO *STDout=NULL;
165         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
166         int informat,outformat,keyformat,CAformat,CAkeyformat;
167         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
168         char *CAkeyfile=NULL,*CAserial=NULL;
169         char *alias=NULL;
170         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
171         int next_serial=0,ocspid=0;
172         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
173         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
174         int C=0;
175         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
176         int pprint = 0;
177         char **pp;
178         X509_STORE *ctx=NULL;
179         X509_REQ *rq=NULL;
180         int fingerprint=0;
181         char buf[256];
182         const EVP_MD *md_alg,*digest=EVP_md5();
183         CONF *extconf = NULL;
184         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
185         int need_rand = 0;
186         int checkend=0,checkoffset=0;
187         unsigned long nmflag = 0, certflag = 0;
188 #ifndef OPENSSL_NO_ENGINE
189         char *engine=NULL;
190 #endif
191
192         reqfile=0;
193
194         apps_startup();
195
196         if (bio_err == NULL)
197                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
198
199         if (!load_config(bio_err, NULL))
200                 goto end;
201         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
202 #ifdef OPENSSL_SYS_VMS
203         {
204         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
205         STDout = BIO_push(tmpbio, STDout);
206         }
207 #endif
208
209         informat=FORMAT_PEM;
210         outformat=FORMAT_PEM;
211         keyformat=FORMAT_PEM;
212         CAformat=FORMAT_PEM;
213         CAkeyformat=FORMAT_PEM;
214
215         ctx=X509_STORE_new();
216         if (ctx == NULL) goto end;
217         X509_STORE_set_verify_cb_func(ctx,callb);
218
219         argc--;
220         argv++;
221         num=0;
222         while (argc >= 1)
223                 {
224                 if      (strcmp(*argv,"-inform") == 0)
225                         {
226                         if (--argc < 1) goto bad;
227                         informat=str2fmt(*(++argv));
228                         }
229                 else if (strcmp(*argv,"-outform") == 0)
230                         {
231                         if (--argc < 1) goto bad;
232                         outformat=str2fmt(*(++argv));
233                         }
234                 else if (strcmp(*argv,"-keyform") == 0)
235                         {
236                         if (--argc < 1) goto bad;
237                         keyformat=str2fmt(*(++argv));
238                         }
239                 else if (strcmp(*argv,"-req") == 0)
240                         {
241                         reqfile=1;
242                         need_rand = 1;
243                         }
244                 else if (strcmp(*argv,"-CAform") == 0)
245                         {
246                         if (--argc < 1) goto bad;
247                         CAformat=str2fmt(*(++argv));
248                         }
249                 else if (strcmp(*argv,"-CAkeyform") == 0)
250                         {
251                         if (--argc < 1) goto bad;
252                         CAkeyformat=str2fmt(*(++argv));
253                         }
254                 else if (strcmp(*argv,"-days") == 0)
255                         {
256                         if (--argc < 1) goto bad;
257                         days=atoi(*(++argv));
258                         if (days == 0)
259                                 {
260                                 BIO_printf(STDout,"bad number of days\n");
261                                 goto bad;
262                                 }
263                         }
264                 else if (strcmp(*argv,"-passin") == 0)
265                         {
266                         if (--argc < 1) goto bad;
267                         passargin= *(++argv);
268                         }
269                 else if (strcmp(*argv,"-extfile") == 0)
270                         {
271                         if (--argc < 1) goto bad;
272                         extfile= *(++argv);
273                         }
274                 else if (strcmp(*argv,"-extensions") == 0)
275                         {
276                         if (--argc < 1) goto bad;
277                         extsect= *(++argv);
278                         }
279                 else if (strcmp(*argv,"-in") == 0)
280                         {
281                         if (--argc < 1) goto bad;
282                         infile= *(++argv);
283                         }
284                 else if (strcmp(*argv,"-out") == 0)
285                         {
286                         if (--argc < 1) goto bad;
287                         outfile= *(++argv);
288                         }
289                 else if (strcmp(*argv,"-signkey") == 0)
290                         {
291                         if (--argc < 1) goto bad;
292                         keyfile= *(++argv);
293                         sign_flag= ++num;
294                         need_rand = 1;
295                         }
296                 else if (strcmp(*argv,"-CA") == 0)
297                         {
298                         if (--argc < 1) goto bad;
299                         CAfile= *(++argv);
300                         CA_flag= ++num;
301                         need_rand = 1;
302                         }
303                 else if (strcmp(*argv,"-CAkey") == 0)
304                         {
305                         if (--argc < 1) goto bad;
306                         CAkeyfile= *(++argv);
307                         }
308                 else if (strcmp(*argv,"-CAserial") == 0)
309                         {
310                         if (--argc < 1) goto bad;
311                         CAserial= *(++argv);
312                         }
313                 else if (strcmp(*argv,"-set_serial") == 0)
314                         {
315                         if (--argc < 1) goto bad;
316                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
317                                 goto bad;
318                         }
319                 else if (strcmp(*argv,"-addtrust") == 0)
320                         {
321                         if (--argc < 1) goto bad;
322                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
323                                 {
324                                 BIO_printf(bio_err,
325                                         "Invalid trust object value %s\n", *argv);
326                                 goto bad;
327                                 }
328                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
329                         sk_ASN1_OBJECT_push(trust, objtmp);
330                         trustout = 1;
331                         }
332                 else if (strcmp(*argv,"-addreject") == 0)
333                         {
334                         if (--argc < 1) goto bad;
335                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
336                                 {
337                                 BIO_printf(bio_err,
338                                         "Invalid reject object value %s\n", *argv);
339                                 goto bad;
340                                 }
341                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
342                         sk_ASN1_OBJECT_push(reject, objtmp);
343                         trustout = 1;
344                         }
345                 else if (strcmp(*argv,"-setalias") == 0)
346                         {
347                         if (--argc < 1) goto bad;
348                         alias= *(++argv);
349                         trustout = 1;
350                         }
351                 else if (strcmp(*argv,"-certopt") == 0)
352                         {
353                         if (--argc < 1) goto bad;
354                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
355                         }
356                 else if (strcmp(*argv,"-nameopt") == 0)
357                         {
358                         if (--argc < 1) goto bad;
359                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
360                         }
361 #ifndef OPENSSL_NO_ENGINE
362                 else if (strcmp(*argv,"-engine") == 0)
363                         {
364                         if (--argc < 1) goto bad;
365                         engine= *(++argv);
366                         }
367 #endif
368                 else if (strcmp(*argv,"-C") == 0)
369                         C= ++num;
370                 else if (strcmp(*argv,"-email") == 0)
371                         email= ++num;
372                 else if (strcmp(*argv,"-serial") == 0)
373                         serial= ++num;
374                 else if (strcmp(*argv,"-next_serial") == 0)
375                         next_serial= ++num;
376                 else if (strcmp(*argv,"-modulus") == 0)
377                         modulus= ++num;
378                 else if (strcmp(*argv,"-pubkey") == 0)
379                         pubkey= ++num;
380                 else if (strcmp(*argv,"-x509toreq") == 0)
381                         x509req= ++num;
382                 else if (strcmp(*argv,"-text") == 0)
383                         text= ++num;
384                 else if (strcmp(*argv,"-hash") == 0)
385                         hash= ++num;
386                 else if (strcmp(*argv,"-subject") == 0)
387                         subject= ++num;
388                 else if (strcmp(*argv,"-issuer") == 0)
389                         issuer= ++num;
390                 else if (strcmp(*argv,"-fingerprint") == 0)
391                         fingerprint= ++num;
392                 else if (strcmp(*argv,"-dates") == 0)
393                         {
394                         startdate= ++num;
395                         enddate= ++num;
396                         }
397                 else if (strcmp(*argv,"-purpose") == 0)
398                         pprint= ++num;
399                 else if (strcmp(*argv,"-startdate") == 0)
400                         startdate= ++num;
401                 else if (strcmp(*argv,"-enddate") == 0)
402                         enddate= ++num;
403                 else if (strcmp(*argv,"-checkend") == 0)
404                         {
405                         if (--argc < 1) goto bad;
406                         checkoffset=atoi(*(++argv));
407                         checkend=1;
408                         }
409                 else if (strcmp(*argv,"-noout") == 0)
410                         noout= ++num;
411                 else if (strcmp(*argv,"-trustout") == 0)
412                         trustout= 1;
413                 else if (strcmp(*argv,"-clrtrust") == 0)
414                         clrtrust= ++num;
415                 else if (strcmp(*argv,"-clrreject") == 0)
416                         clrreject= ++num;
417                 else if (strcmp(*argv,"-alias") == 0)
418                         aliasout= ++num;
419                 else if (strcmp(*argv,"-CAcreateserial") == 0)
420                         CA_createserial= ++num;
421                 else if (strcmp(*argv,"-clrext") == 0)
422                         clrext = 1;
423 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
424                 else if (strcmp(*argv,"-crlext") == 0)
425                         {
426                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
427                         clrext = 1;
428                         }
429 #endif
430                 else if (strcmp(*argv,"-ocspid") == 0)
431                         ocspid= ++num;
432                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
433                         {
434                         /* ok */
435                         digest=md_alg;
436                         }
437                 else
438                         {
439                         BIO_printf(bio_err,"unknown option %s\n",*argv);
440                         badops=1;
441                         break;
442                         }
443                 argc--;
444                 argv++;
445                 }
446
447         if (badops)
448                 {
449 bad:
450                 for (pp=x509_usage; (*pp != NULL); pp++)
451                         BIO_printf(bio_err,"%s",*pp);
452                 goto end;
453                 }
454
455 #ifndef OPENSSL_NO_ENGINE
456         e = setup_engine(bio_err, engine, 0);
457 #endif
458
459         if (need_rand)
460                 app_RAND_load_file(NULL, bio_err, 0);
461
462         ERR_load_crypto_strings();
463
464         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
465                 {
466                 BIO_printf(bio_err, "Error getting password\n");
467                 goto end;
468                 }
469
470         if (!X509_STORE_set_default_paths(ctx))
471                 {
472                 ERR_print_errors(bio_err);
473                 goto end;
474                 }
475
476         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
477                 { CAkeyfile=CAfile; }
478         else if ((CA_flag) && (CAkeyfile == NULL))
479                 {
480                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
481                 goto end;
482                 }
483
484         if (extfile)
485                 {
486                 long errorline = -1;
487                 X509V3_CTX ctx2;
488                 extconf = NCONF_new(NULL);
489                 if (!NCONF_load(extconf, extfile,&errorline))
490                         {
491                         if (errorline <= 0)
492                                 BIO_printf(bio_err,
493                                         "error loading the config file '%s'\n",
494                                                                 extfile);
495                         else
496                                 BIO_printf(bio_err,
497                                        "error on line %ld of config file '%s'\n"
498                                                         ,errorline,extfile);
499                         goto end;
500                         }
501                 if (!extsect)
502                         {
503                         extsect = NCONF_get_string(extconf, "default", "extensions");
504                         if (!extsect)
505                                 {
506                                 ERR_clear_error();
507                                 extsect = "default";
508                                 }
509                         }
510                 X509V3_set_ctx_test(&ctx2);
511                 X509V3_set_nconf(&ctx2, extconf);
512                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
513                         {
514                         BIO_printf(bio_err,
515                                 "Error Loading extension section %s\n",
516                                                                  extsect);
517                         ERR_print_errors(bio_err);
518                         goto end;
519                         }
520                 }
521
522
523         if (reqfile)
524                 {
525                 EVP_PKEY *pkey;
526                 X509_CINF *ci;
527                 BIO *in;
528
529                 if (!sign_flag && !CA_flag)
530                         {
531                         BIO_printf(bio_err,"We need a private key to sign with\n");
532                         goto end;
533                         }
534                 in=BIO_new(BIO_s_file());
535                 if (in == NULL)
536                         {
537                         ERR_print_errors(bio_err);
538                         goto end;
539                         }
540
541                 if (infile == NULL)
542                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
543                 else
544                         {
545                         if (BIO_read_filename(in,infile) <= 0)
546                                 {
547                                 perror(infile);
548                                 BIO_free(in);
549                                 goto end;
550                                 }
551                         }
552                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
553                 BIO_free(in);
554
555                 if (req == NULL)
556                         {
557                         ERR_print_errors(bio_err);
558                         goto end;
559                         }
560
561                 if (    (req->req_info == NULL) ||
562                         (req->req_info->pubkey == NULL) ||
563                         (req->req_info->pubkey->public_key == NULL) ||
564                         (req->req_info->pubkey->public_key->data == NULL))
565                         {
566                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
567                         BIO_printf(bio_err,"It does not contain a public key\n");
568                         goto end;
569                         }
570                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
571                         {
572                         BIO_printf(bio_err,"error unpacking public key\n");
573                         goto end;
574                         }
575                 i=X509_REQ_verify(req,pkey);
576                 EVP_PKEY_free(pkey);
577                 if (i < 0)
578                         {
579                         BIO_printf(bio_err,"Signature verification error\n");
580                         ERR_print_errors(bio_err);
581                         goto end;
582                         }
583                 if (i == 0)
584                         {
585                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
586                         goto end;
587                         }
588                 else
589                         BIO_printf(bio_err,"Signature ok\n");
590
591                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
592
593                 if ((x=X509_new()) == NULL) goto end;
594                 ci=x->cert_info;
595
596                 if (sno == NULL)
597                         {
598                         sno = ASN1_INTEGER_new();
599                         if (!sno || !rand_serial(NULL, sno))
600                                 goto end;
601                         }
602
603                 if (!X509_set_serialNumber(x, sno)) 
604                         goto end;
605
606                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
607                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
608
609                 X509_gmtime_adj(X509_get_notBefore(x),0);
610                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
611
612                 pkey = X509_REQ_get_pubkey(req);
613                 X509_set_pubkey(x,pkey);
614                 EVP_PKEY_free(pkey);
615                 }
616         else
617                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
618
619         if (x == NULL) goto end;
620         if (CA_flag)
621                 {
622                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
623                 if (xca == NULL) goto end;
624                 }
625
626         if (!noout || text || next_serial)
627                 {
628                 OBJ_create("2.99999.3",
629                         "SET.ex3","SET x509v3 extension 3");
630
631                 out=BIO_new(BIO_s_file());
632                 if (out == NULL)
633                         {
634                         ERR_print_errors(bio_err);
635                         goto end;
636                         }
637                 if (outfile == NULL)
638                         {
639                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
640 #ifdef OPENSSL_SYS_VMS
641                         {
642                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
643                         out = BIO_push(tmpbio, out);
644                         }
645 #endif
646                         }
647                 else
648                         {
649                         if (BIO_write_filename(out,outfile) <= 0)
650                                 {
651                                 perror(outfile);
652                                 goto end;
653                                 }
654                         }
655                 }
656
657         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
658
659         if (clrtrust) X509_trust_clear(x);
660         if (clrreject) X509_reject_clear(x);
661
662         if (trust)
663                 {
664                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
665                         {
666                         objtmp = sk_ASN1_OBJECT_value(trust, i);
667                         X509_add1_trust_object(x, objtmp);
668                         }
669                 }
670
671         if (reject)
672                 {
673                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
674                         {
675                         objtmp = sk_ASN1_OBJECT_value(reject, i);
676                         X509_add1_reject_object(x, objtmp);
677                         }
678                 }
679
680         if (num)
681                 {
682                 for (i=1; i<=num; i++)
683                         {
684                         if (issuer == i)
685                                 {
686                                 print_name(STDout, "issuer= ",
687                                         X509_get_issuer_name(x), nmflag);
688                                 }
689                         else if (subject == i) 
690                                 {
691                                 print_name(STDout, "subject= ",
692                                         X509_get_subject_name(x), nmflag);
693                                 }
694                         else if (serial == i)
695                                 {
696                                 BIO_printf(STDout,"serial=");
697                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
698                                 BIO_printf(STDout,"\n");
699                                 }
700                         else if (next_serial == i)
701                                 {
702                                 BIGNUM *bnser;
703                                 ASN1_INTEGER *ser;
704                                 ser = X509_get_serialNumber(x);
705                                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
706                                 if (!bnser)
707                                         goto end;
708                                 if (!BN_add_word(bnser, 1))
709                                         goto end;
710                                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
711                                 if (!ser)
712                                         goto end;
713                                 BN_free(bnser);
714                                 i2a_ASN1_INTEGER(out, ser);
715                                 ASN1_INTEGER_free(ser);
716                                 BIO_puts(out, "\n");
717                                 }
718                         else if (email == i) 
719                                 {
720                                 int j;
721                                 STACK *emlst;
722                                 emlst = X509_get1_email(x);
723                                 for (j = 0; j < sk_num(emlst); j++)
724                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
725                                 X509_email_free(emlst);
726                                 }
727                         else if (aliasout == i)
728                                 {
729                                 unsigned char *alstr;
730                                 alstr = X509_alias_get0(x, NULL);
731                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
732                                 else BIO_puts(STDout,"<No Alias>\n");
733                                 }
734                         else if (hash == i)
735                                 {
736                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
737                                 }
738                         else if (pprint == i)
739                                 {
740                                 X509_PURPOSE *ptmp;
741                                 int j;
742                                 BIO_printf(STDout, "Certificate purposes:\n");
743                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
744                                         {
745                                         ptmp = X509_PURPOSE_get0(j);
746                                         purpose_print(STDout, x, ptmp);
747                                         }
748                                 }
749                         else
750                                 if (modulus == i)
751                                 {
752                                 EVP_PKEY *pkey;
753
754                                 pkey=X509_get_pubkey(x);
755                                 if (pkey == NULL)
756                                         {
757                                         BIO_printf(bio_err,"Modulus=unavailable\n");
758                                         ERR_print_errors(bio_err);
759                                         goto end;
760                                         }
761                                 BIO_printf(STDout,"Modulus=");
762 #ifndef OPENSSL_NO_RSA
763                                 if (pkey->type == EVP_PKEY_RSA)
764                                         BN_print(STDout,pkey->pkey.rsa->n);
765                                 else
766 #endif
767 #ifndef OPENSSL_NO_DSA
768                                 if (pkey->type == EVP_PKEY_DSA)
769                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
770                                 else
771 #endif
772                                         BIO_printf(STDout,"Wrong Algorithm type");
773                                 BIO_printf(STDout,"\n");
774                                 EVP_PKEY_free(pkey);
775                                 }
776                         else
777                                 if (pubkey == i)
778                                 {
779                                 EVP_PKEY *pkey;
780
781                                 pkey=X509_get_pubkey(x);
782                                 if (pkey == NULL)
783                                         {
784                                         BIO_printf(bio_err,"Error getting public key\n");
785                                         ERR_print_errors(bio_err);
786                                         goto end;
787                                         }
788                                 PEM_write_bio_PUBKEY(STDout, pkey);
789                                 EVP_PKEY_free(pkey);
790                                 }
791                         else
792                                 if (C == i)
793                                 {
794                                 unsigned char *d;
795                                 char *m;
796                                 int y,z;
797
798                                 X509_NAME_oneline(X509_get_subject_name(x),
799                                         buf,sizeof buf);
800                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
801                                 m=X509_NAME_oneline(
802                                         X509_get_issuer_name(x),buf,
803                                         sizeof buf);
804                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
805
806                                 z=i2d_X509(x,NULL);
807                                 m=OPENSSL_malloc(z);
808
809                                 d=(unsigned char *)m;
810                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
811                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
812                                 d=(unsigned char *)m;
813                                 for (y=0; y<z; y++)
814                                         {
815                                         BIO_printf(STDout,"0x%02X,",d[y]);
816                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
817                                         }
818                                 if (y%16 != 0) BIO_printf(STDout,"\n");
819                                 BIO_printf(STDout,"};\n");
820
821                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
822                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
823                                 d=(unsigned char *)m;
824                                 for (y=0; y<z; y++)
825                                         {
826                                         BIO_printf(STDout,"0x%02X,",d[y]);
827                                         if ((y & 0x0f) == 0x0f)
828                                                 BIO_printf(STDout,"\n");
829                                         }
830                                 if (y%16 != 0) BIO_printf(STDout,"\n");
831                                 BIO_printf(STDout,"};\n");
832
833                                 z=i2d_X509(x,&d);
834                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
835                                 d=(unsigned char *)m;
836                                 for (y=0; y<z; y++)
837                                         {
838                                         BIO_printf(STDout,"0x%02X,",d[y]);
839                                         if ((y & 0x0f) == 0x0f)
840                                                 BIO_printf(STDout,"\n");
841                                         }
842                                 if (y%16 != 0) BIO_printf(STDout,"\n");
843                                 BIO_printf(STDout,"};\n");
844
845                                 OPENSSL_free(m);
846                                 }
847                         else if (text == i)
848                                 {
849                                 X509_print_ex(out,x,nmflag, certflag);
850                                 }
851                         else if (startdate == i)
852                                 {
853                                 BIO_puts(STDout,"notBefore=");
854                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
855                                 BIO_puts(STDout,"\n");
856                                 }
857                         else if (enddate == i)
858                                 {
859                                 BIO_puts(STDout,"notAfter=");
860                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
861                                 BIO_puts(STDout,"\n");
862                                 }
863                         else if (fingerprint == i)
864                                 {
865                                 int j;
866                                 unsigned int n;
867                                 unsigned char md[EVP_MAX_MD_SIZE];
868
869                                 if (!X509_digest(x,digest,md,&n))
870                                         {
871                                         BIO_printf(bio_err,"out of memory\n");
872                                         goto end;
873                                         }
874                                 BIO_printf(STDout,"%s Fingerprint=",
875                                                 OBJ_nid2sn(EVP_MD_type(digest)));
876                                 for (j=0; j<(int)n; j++)
877                                         {
878                                         BIO_printf(STDout,"%02X%c",md[j],
879                                                 (j+1 == (int)n)
880                                                 ?'\n':':');
881                                         }
882                                 }
883
884                         /* should be in the library */
885                         else if ((sign_flag == i) && (x509req == 0))
886                                 {
887                                 BIO_printf(bio_err,"Getting Private key\n");
888                                 if (Upkey == NULL)
889                                         {
890                                         Upkey=load_key(bio_err,
891                                                 keyfile, keyformat, 0,
892                                                 passin, e, "Private key");
893                                         if (Upkey == NULL) goto end;
894                                         }
895 #ifndef OPENSSL_NO_DSA
896                                 if (Upkey->type == EVP_PKEY_DSA)
897                                         digest=EVP_dss1();
898 #endif
899
900                                 assert(need_rand);
901                                 if (!sign(x,Upkey,days,clrext,digest,
902                                                  extconf, extsect)) goto end;
903                                 }
904                         else if (CA_flag == i)
905                                 {
906                                 BIO_printf(bio_err,"Getting CA Private Key\n");
907                                 if (CAkeyfile != NULL)
908                                         {
909                                         CApkey=load_key(bio_err,
910                                                 CAkeyfile, CAkeyformat,
911                                                 0, passin, e,
912                                                 "CA Private Key");
913                                         if (CApkey == NULL) goto end;
914                                         }
915 #ifndef OPENSSL_NO_DSA
916                                 if (CApkey->type == EVP_PKEY_DSA)
917                                         digest=EVP_dss1();
918 #endif
919                                 
920                                 assert(need_rand);
921                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
922                                         CApkey, CAserial,CA_createserial,days, clrext,
923                                         extconf, extsect, sno))
924                                         goto end;
925                                 }
926                         else if (x509req == i)
927                                 {
928                                 EVP_PKEY *pk;
929
930                                 BIO_printf(bio_err,"Getting request Private Key\n");
931                                 if (keyfile == NULL)
932                                         {
933                                         BIO_printf(bio_err,"no request key file specified\n");
934                                         goto end;
935                                         }
936                                 else
937                                         {
938                                         pk=load_key(bio_err,
939                                                 keyfile, FORMAT_PEM, 0,
940                                                 passin, e, "request key");
941                                         if (pk == NULL) goto end;
942                                         }
943
944                                 BIO_printf(bio_err,"Generating certificate request\n");
945
946 #ifndef OPENSSL_NO_DSA
947                                 if (pk->type == EVP_PKEY_DSA)
948                                         digest=EVP_dss1();
949 #endif
950
951                                 rq=X509_to_X509_REQ(x,pk,digest);
952                                 EVP_PKEY_free(pk);
953                                 if (rq == NULL)
954                                         {
955                                         ERR_print_errors(bio_err);
956                                         goto end;
957                                         }
958                                 if (!noout)
959                                         {
960                                         X509_REQ_print(out,rq);
961                                         PEM_write_bio_X509_REQ(out,rq);
962                                         }
963                                 noout=1;
964                                 }
965                         else if (ocspid == i)
966                                 {
967                                 X509_ocspid_print(out, x);
968                                 }
969                         }
970                 }
971
972         if (checkend)
973                 {
974                 time_t tnow=time(NULL);
975
976                 if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x), tnow+checkoffset) == -1)
977                         {
978                         BIO_printf(out,"Certificate will expire\n");
979                         ret=1;
980                         }
981                 else
982                         {
983                         BIO_printf(out,"Certificate will not expire\n");
984                         ret=0;
985                         }
986                 goto end;
987                 }
988
989         if (noout)
990                 {
991                 ret=0;
992                 goto end;
993                 }
994
995         if      (outformat == FORMAT_ASN1)
996                 i=i2d_X509_bio(out,x);
997         else if (outformat == FORMAT_PEM)
998                 {
999                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1000                 else i=PEM_write_bio_X509(out,x);
1001                 }
1002         else if (outformat == FORMAT_NETSCAPE)
1003                 {
1004                 ASN1_HEADER ah;
1005                 ASN1_OCTET_STRING os;
1006
1007                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
1008                 os.length=strlen(NETSCAPE_CERT_HDR);
1009                 ah.header= &os;
1010                 ah.data=(char *)x;
1011                 ah.meth=X509_asn1_meth();
1012
1013                 /* no macro for this one yet */
1014                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
1015                 }
1016         else    {
1017                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1018                 goto end;
1019                 }
1020         if (!i)
1021                 {
1022                 BIO_printf(bio_err,"unable to write certificate\n");
1023                 ERR_print_errors(bio_err);
1024                 goto end;
1025                 }
1026         ret=0;
1027 end:
1028         if (need_rand)
1029                 app_RAND_write_file(NULL, bio_err);
1030         OBJ_cleanup();
1031         NCONF_free(extconf);
1032         BIO_free_all(out);
1033         BIO_free_all(STDout);
1034         X509_STORE_free(ctx);
1035         X509_REQ_free(req);
1036         X509_free(x);
1037         X509_free(xca);
1038         EVP_PKEY_free(Upkey);
1039         EVP_PKEY_free(CApkey);
1040         X509_REQ_free(rq);
1041         ASN1_INTEGER_free(sno);
1042         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1043         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1044         if (passin) OPENSSL_free(passin);
1045         apps_shutdown();
1046         OPENSSL_EXIT(ret);
1047         }
1048
1049 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1050         {
1051         char *buf = NULL, *p;
1052         ASN1_INTEGER *bs = NULL;
1053         BIGNUM *serial = NULL;
1054         size_t len;
1055
1056         len = ((serialfile == NULL)
1057                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1058                 :(strlen(serialfile)))+1;
1059         buf=OPENSSL_malloc(len);
1060         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1061         if (serialfile == NULL)
1062                 {
1063                 BUF_strlcpy(buf,CAfile,len);
1064                 for (p=buf; *p; p++)
1065                         if (*p == '.')
1066                                 {
1067                                 *p='\0';
1068                                 break;
1069                                 }
1070                 BUF_strlcat(buf,POSTFIX,len);
1071                 }
1072         else
1073                 BUF_strlcpy(buf,serialfile,len);
1074
1075         serial = load_serial(buf, create, NULL);
1076         if (serial == NULL) goto end;
1077
1078         if (!BN_add_word(serial,1))
1079                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1080
1081         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1082
1083  end:
1084         if (buf) OPENSSL_free(buf);
1085         BN_free(serial);
1086         return bs;
1087         }
1088
1089 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1090              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1091              int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1092         {
1093         int ret=0;
1094         ASN1_INTEGER *bs=NULL;
1095         X509_STORE_CTX xsc;
1096         EVP_PKEY *upkey;
1097
1098         upkey = X509_get_pubkey(xca);
1099         EVP_PKEY_copy_parameters(upkey,pkey);
1100         EVP_PKEY_free(upkey);
1101
1102         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1103                 {
1104                 BIO_printf(bio_err,"Error initialising X509 store\n");
1105                 goto end;
1106                 }
1107         if (sno) bs = sno;
1108         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1109                 goto end;
1110
1111 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1112
1113         /* NOTE: this certificate can/should be self signed, unless it was
1114          * a certificate request in which case it is not. */
1115         X509_STORE_CTX_set_cert(&xsc,x);
1116         if (!reqfile && !X509_verify_cert(&xsc))
1117                 goto end;
1118
1119         if (!X509_check_private_key(xca,pkey))
1120                 {
1121                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1122                 goto end;
1123                 }
1124
1125         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1126         if (!X509_set_serialNumber(x,bs)) goto end;
1127
1128         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1129                 goto end;
1130
1131         /* hardwired expired */
1132         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1133                 goto end;
1134
1135         if (clrext)
1136                 {
1137                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1138                 }
1139
1140         if (conf)
1141                 {
1142                 X509V3_CTX ctx2;
1143                 X509_set_version(x,2); /* version 3 certificate */
1144                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1145                 X509V3_set_nconf(&ctx2, conf);
1146                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1147                 }
1148
1149         if (!X509_sign(x,pkey,digest)) goto end;
1150         ret=1;
1151 end:
1152         X509_STORE_CTX_cleanup(&xsc);
1153         if (!ret)
1154                 ERR_print_errors(bio_err);
1155         if (!sno) ASN1_INTEGER_free(bs);
1156         return ret;
1157         }
1158
1159 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1160         {
1161         int err;
1162         X509 *err_cert;
1163
1164         /* it is ok to use a self signed certificate
1165          * This case will catch both the initial ok == 0 and the
1166          * final ok == 1 calls to this function */
1167         err=X509_STORE_CTX_get_error(ctx);
1168         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1169                 return 1;
1170
1171         /* BAD we should have gotten an error.  Normally if everything
1172          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1173          * DEPTH_ZERO_SELF_.... */
1174         if (ok)
1175                 {
1176                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1177                 return 0;
1178                 }
1179         else
1180                 {
1181                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1182                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1183                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1184                         err,X509_STORE_CTX_get_error_depth(ctx),
1185                         X509_verify_cert_error_string(err));
1186                 return 1;
1187                 }
1188         }
1189
1190 /* self sign */
1191 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1192                                                 CONF *conf, char *section)
1193         {
1194
1195         EVP_PKEY *pktmp;
1196
1197         pktmp = X509_get_pubkey(x);
1198         EVP_PKEY_copy_parameters(pktmp,pkey);
1199         EVP_PKEY_save_parameters(pktmp,1);
1200         EVP_PKEY_free(pktmp);
1201
1202         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1203         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1204
1205         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1206         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1207         /* 28 days to be certified */
1208
1209         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1210                 goto err;
1211
1212         if (!X509_set_pubkey(x,pkey)) goto err;
1213         if (clrext)
1214                 {
1215                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1216                 }
1217         if (conf)
1218                 {
1219                 X509V3_CTX ctx;
1220                 X509_set_version(x,2); /* version 3 certificate */
1221                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1222                 X509V3_set_nconf(&ctx, conf);
1223                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1224                 }
1225         if (!X509_sign(x,pkey,digest)) goto err;
1226         return 1;
1227 err:
1228         ERR_print_errors(bio_err);
1229         return 0;
1230         }
1231
1232 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1233 {
1234         int id, i, idret;
1235         char *pname;
1236         id = X509_PURPOSE_get_id(pt);
1237         pname = X509_PURPOSE_get0_name(pt);
1238         for (i = 0; i < 2; i++)
1239                 {
1240                 idret = X509_check_purpose(cert, id, i);
1241                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1242                 if (idret == 1) BIO_printf(bio, "Yes\n");
1243                 else if (idret == 0) BIO_printf(bio, "No\n");
1244                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1245                 }
1246         return 1;
1247 }