d00511c78a7b1f2e04de96747eff37293abe51db
[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/rsa.h>
77 #include <openssl/dsa.h>
78
79 #undef PROG
80 #define PROG x509_main
81
82 #undef POSTFIX
83 #define POSTFIX ".srl"
84 #define DEF_DAYS        30
85
86 static char *x509_usage[]={
87 "usage: x509 args\n",
88 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
89 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
90 " -keyform arg    - private key format - default PEM\n",
91 " -CAform arg     - CA format - default PEM\n",
92 " -CAkeyform arg  - CA key format - default PEM\n",
93 " -in arg         - input file - default stdin\n",
94 " -out arg        - output file - default stdout\n",
95 " -passin arg     - private key password source\n",
96 " -serial         - print serial number value\n",
97 " -subject_hash   - print subject hash value\n",
98 " -issuer_hash    - print issuer hash value\n",
99 " -hash           - synonym for -subject_hash\n",
100 " -subject        - print subject DN\n",
101 " -issuer         - print issuer DN\n",
102 " -email          - print email address(es)\n",
103 " -startdate      - notBefore field\n",
104 " -enddate        - notAfter field\n",
105 " -purpose        - print out certificate purposes\n",
106 " -dates          - both Before and After dates\n",
107 " -modulus        - print the RSA key modulus\n",
108 " -pubkey         - output the public key\n",
109 " -fingerprint    - print the certificate fingerprint\n",
110 " -alias          - output certificate alias\n",
111 " -noout          - no certificate output\n",
112 " -ocspid         - print OCSP hash values for the subject name and public key\n",
113 " -trustout       - output a \"trusted\" certificate\n",
114 " -clrtrust       - clear all trusted purposes\n",
115 " -clrreject      - clear all rejected purposes\n",
116 " -addtrust arg   - trust certificate for a given purpose\n",
117 " -addreject arg  - reject certificate for a given purpose\n",
118 " -setalias arg   - set certificate alias\n",
119 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
120 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
121 "                   exit 1 if so, 0 if not\n",
122 " -signkey arg    - self sign cert with arg\n",
123 " -x509toreq      - output a certification request object\n",
124 " -req            - input is a certificate request, sign and output.\n",
125 " -CA arg         - set the CA certificate, must be PEM format.\n",
126 " -CAkey arg      - set the CA key, must be PEM format\n",
127 "                   missing, it is assumed to be in the CA file.\n",
128 " -CAcreateserial - create serial number file if it does not exist\n",
129 " -CAserial arg   - serial file\n",
130 " -set_serial     - serial number to use\n",
131 " -text           - print the certificate in text form\n",
132 " -C              - print out C code forms\n",
133 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
134 " -extfile        - configuration file with X509V3 extensions to add\n",
135 " -extensions     - section from config file with X509V3 extensions to add\n",
136 " -clrext         - delete extensions before signing and input certificate\n",
137 " -nameopt arg    - various certificate name options\n",
138 #ifndef OPENSSL_NO_ENGINE
139 " -engine e       - use engine e, possibly a hardware device.\n",
140 #endif
141 " -certopt arg    - various certificate text options\n",
142 NULL
143 };
144
145 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
146 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
147                                                 CONF *conf, char *section);
148 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
149                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
150                          int create,int days, int clrext, CONF *conf, char *section,
151                                                 ASN1_INTEGER *sno);
152 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
153 static int reqfile=0;
154
155 int MAIN(int, char **);
156
157 int MAIN(int argc, char **argv)
158         {
159         ENGINE *e = NULL;
160         int ret=1;
161         X509_REQ *req=NULL;
162         X509 *x=NULL,*xca=NULL;
163         ASN1_OBJECT *objtmp;
164         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
165         ASN1_INTEGER *sno = NULL;
166         int i,num,badops=0;
167         BIO *out=NULL;
168         BIO *STDout=NULL;
169         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
170         int informat,outformat,keyformat,CAformat,CAkeyformat;
171         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
172         char *CAkeyfile=NULL,*CAserial=NULL;
173         char *alias=NULL;
174         int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
175         int next_serial=0;
176         int subject_hash=0,issuer_hash=0,ocspid=0;
177         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
178         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
179         int C=0;
180         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
181         int pprint = 0;
182         char **pp;
183         X509_STORE *ctx=NULL;
184         X509_REQ *rq=NULL;
185         int fingerprint=0;
186         char buf[256];
187         const EVP_MD *md_alg,*digest=EVP_md5();
188         CONF *extconf = NULL;
189         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
190         int need_rand = 0;
191         int checkend=0,checkoffset=0;
192         unsigned long nmflag = 0, certflag = 0;
193 #ifndef OPENSSL_NO_ENGINE
194         char *engine=NULL;
195 #endif
196
197         reqfile=0;
198
199         apps_startup();
200
201         if (bio_err == NULL)
202                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
203
204         if (!load_config(bio_err, NULL))
205                 goto end;
206         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
207 #ifdef OPENSSL_SYS_VMS
208         {
209         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
210         STDout = BIO_push(tmpbio, STDout);
211         }
212 #endif
213
214         informat=FORMAT_PEM;
215         outformat=FORMAT_PEM;
216         keyformat=FORMAT_PEM;
217         CAformat=FORMAT_PEM;
218         CAkeyformat=FORMAT_PEM;
219
220         ctx=X509_STORE_new();
221         if (ctx == NULL) goto end;
222         X509_STORE_set_verify_cb_func(ctx,callb);
223
224         argc--;
225         argv++;
226         num=0;
227         while (argc >= 1)
228                 {
229                 if      (strcmp(*argv,"-inform") == 0)
230                         {
231                         if (--argc < 1) goto bad;
232                         informat=str2fmt(*(++argv));
233                         }
234                 else if (strcmp(*argv,"-outform") == 0)
235                         {
236                         if (--argc < 1) goto bad;
237                         outformat=str2fmt(*(++argv));
238                         }
239                 else if (strcmp(*argv,"-keyform") == 0)
240                         {
241                         if (--argc < 1) goto bad;
242                         keyformat=str2fmt(*(++argv));
243                         }
244                 else if (strcmp(*argv,"-req") == 0)
245                         {
246                         reqfile=1;
247                         need_rand = 1;
248                         }
249                 else if (strcmp(*argv,"-CAform") == 0)
250                         {
251                         if (--argc < 1) goto bad;
252                         CAformat=str2fmt(*(++argv));
253                         }
254                 else if (strcmp(*argv,"-CAkeyform") == 0)
255                         {
256                         if (--argc < 1) goto bad;
257                         CAkeyformat=str2fmt(*(++argv));
258                         }
259                 else if (strcmp(*argv,"-days") == 0)
260                         {
261                         if (--argc < 1) goto bad;
262                         days=atoi(*(++argv));
263                         if (days == 0)
264                                 {
265                                 BIO_printf(STDout,"bad number of days\n");
266                                 goto bad;
267                                 }
268                         }
269                 else if (strcmp(*argv,"-passin") == 0)
270                         {
271                         if (--argc < 1) goto bad;
272                         passargin= *(++argv);
273                         }
274                 else if (strcmp(*argv,"-extfile") == 0)
275                         {
276                         if (--argc < 1) goto bad;
277                         extfile= *(++argv);
278                         }
279                 else if (strcmp(*argv,"-extensions") == 0)
280                         {
281                         if (--argc < 1) goto bad;
282                         extsect= *(++argv);
283                         }
284                 else if (strcmp(*argv,"-in") == 0)
285                         {
286                         if (--argc < 1) goto bad;
287                         infile= *(++argv);
288                         }
289                 else if (strcmp(*argv,"-out") == 0)
290                         {
291                         if (--argc < 1) goto bad;
292                         outfile= *(++argv);
293                         }
294                 else if (strcmp(*argv,"-signkey") == 0)
295                         {
296                         if (--argc < 1) goto bad;
297                         keyfile= *(++argv);
298                         sign_flag= ++num;
299                         need_rand = 1;
300                         }
301                 else if (strcmp(*argv,"-CA") == 0)
302                         {
303                         if (--argc < 1) goto bad;
304                         CAfile= *(++argv);
305                         CA_flag= ++num;
306                         need_rand = 1;
307                         }
308                 else if (strcmp(*argv,"-CAkey") == 0)
309                         {
310                         if (--argc < 1) goto bad;
311                         CAkeyfile= *(++argv);
312                         }
313                 else if (strcmp(*argv,"-CAserial") == 0)
314                         {
315                         if (--argc < 1) goto bad;
316                         CAserial= *(++argv);
317                         }
318                 else if (strcmp(*argv,"-set_serial") == 0)
319                         {
320                         if (--argc < 1) goto bad;
321                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
322                                 goto bad;
323                         }
324                 else if (strcmp(*argv,"-addtrust") == 0)
325                         {
326                         if (--argc < 1) goto bad;
327                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
328                                 {
329                                 BIO_printf(bio_err,
330                                         "Invalid trust object value %s\n", *argv);
331                                 goto bad;
332                                 }
333                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
334                         sk_ASN1_OBJECT_push(trust, objtmp);
335                         trustout = 1;
336                         }
337                 else if (strcmp(*argv,"-addreject") == 0)
338                         {
339                         if (--argc < 1) goto bad;
340                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
341                                 {
342                                 BIO_printf(bio_err,
343                                         "Invalid reject object value %s\n", *argv);
344                                 goto bad;
345                                 }
346                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
347                         sk_ASN1_OBJECT_push(reject, objtmp);
348                         trustout = 1;
349                         }
350                 else if (strcmp(*argv,"-setalias") == 0)
351                         {
352                         if (--argc < 1) goto bad;
353                         alias= *(++argv);
354                         trustout = 1;
355                         }
356                 else if (strcmp(*argv,"-certopt") == 0)
357                         {
358                         if (--argc < 1) goto bad;
359                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
360                         }
361                 else if (strcmp(*argv,"-nameopt") == 0)
362                         {
363                         if (--argc < 1) goto bad;
364                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
365                         }
366 #ifndef OPENSSL_NO_ENGINE
367                 else if (strcmp(*argv,"-engine") == 0)
368                         {
369                         if (--argc < 1) goto bad;
370                         engine= *(++argv);
371                         }
372 #endif
373                 else if (strcmp(*argv,"-C") == 0)
374                         C= ++num;
375                 else if (strcmp(*argv,"-email") == 0)
376                         email= ++num;
377                 else if (strcmp(*argv,"-serial") == 0)
378                         serial= ++num;
379                 else if (strcmp(*argv,"-next_serial") == 0)
380                         next_serial= ++num;
381                 else if (strcmp(*argv,"-modulus") == 0)
382                         modulus= ++num;
383                 else if (strcmp(*argv,"-pubkey") == 0)
384                         pubkey= ++num;
385                 else if (strcmp(*argv,"-x509toreq") == 0)
386                         x509req= ++num;
387                 else if (strcmp(*argv,"-text") == 0)
388                         text= ++num;
389                 else if (strcmp(*argv,"-hash") == 0
390                         || strcmp(*argv,"-subject_hash") == 0)
391                         subject_hash= ++num;
392                 else if (strcmp(*argv,"-issuer_hash") == 0)
393                         issuer_hash= ++num;
394                 else if (strcmp(*argv,"-subject") == 0)
395                         subject= ++num;
396                 else if (strcmp(*argv,"-issuer") == 0)
397                         issuer= ++num;
398                 else if (strcmp(*argv,"-fingerprint") == 0)
399                         fingerprint= ++num;
400                 else if (strcmp(*argv,"-dates") == 0)
401                         {
402                         startdate= ++num;
403                         enddate= ++num;
404                         }
405                 else if (strcmp(*argv,"-purpose") == 0)
406                         pprint= ++num;
407                 else if (strcmp(*argv,"-startdate") == 0)
408                         startdate= ++num;
409                 else if (strcmp(*argv,"-enddate") == 0)
410                         enddate= ++num;
411                 else if (strcmp(*argv,"-checkend") == 0)
412                         {
413                         if (--argc < 1) goto bad;
414                         checkoffset=atoi(*(++argv));
415                         checkend=1;
416                         }
417                 else if (strcmp(*argv,"-noout") == 0)
418                         noout= ++num;
419                 else if (strcmp(*argv,"-trustout") == 0)
420                         trustout= 1;
421                 else if (strcmp(*argv,"-clrtrust") == 0)
422                         clrtrust= ++num;
423                 else if (strcmp(*argv,"-clrreject") == 0)
424                         clrreject= ++num;
425                 else if (strcmp(*argv,"-alias") == 0)
426                         aliasout= ++num;
427                 else if (strcmp(*argv,"-CAcreateserial") == 0)
428                         CA_createserial= ++num;
429                 else if (strcmp(*argv,"-clrext") == 0)
430                         clrext = 1;
431 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
432                 else if (strcmp(*argv,"-crlext") == 0)
433                         {
434                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
435                         clrext = 1;
436                         }
437 #endif
438                 else if (strcmp(*argv,"-ocspid") == 0)
439                         ocspid= ++num;
440                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
441                         {
442                         /* ok */
443                         digest=md_alg;
444                         }
445                 else
446                         {
447                         BIO_printf(bio_err,"unknown option %s\n",*argv);
448                         badops=1;
449                         break;
450                         }
451                 argc--;
452                 argv++;
453                 }
454
455         if (badops)
456                 {
457 bad:
458                 for (pp=x509_usage; (*pp != NULL); pp++)
459                         BIO_printf(bio_err,"%s",*pp);
460                 goto end;
461                 }
462
463 #ifndef OPENSSL_NO_ENGINE
464         e = setup_engine(bio_err, engine, 0);
465 #endif
466
467         if (need_rand)
468                 app_RAND_load_file(NULL, bio_err, 0);
469
470         ERR_load_crypto_strings();
471
472         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
473                 {
474                 BIO_printf(bio_err, "Error getting password\n");
475                 goto end;
476                 }
477
478         if (!X509_STORE_set_default_paths(ctx))
479                 {
480                 ERR_print_errors(bio_err);
481                 goto end;
482                 }
483
484         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
485                 { CAkeyfile=CAfile; }
486         else if ((CA_flag) && (CAkeyfile == NULL))
487                 {
488                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
489                 goto end;
490                 }
491
492         if (extfile)
493                 {
494                 long errorline = -1;
495                 X509V3_CTX ctx2;
496                 extconf = NCONF_new(NULL);
497                 if (!NCONF_load(extconf, extfile,&errorline))
498                         {
499                         if (errorline <= 0)
500                                 BIO_printf(bio_err,
501                                         "error loading the config file '%s'\n",
502                                                                 extfile);
503                         else
504                                 BIO_printf(bio_err,
505                                        "error on line %ld of config file '%s'\n"
506                                                         ,errorline,extfile);
507                         goto end;
508                         }
509                 if (!extsect)
510                         {
511                         extsect = NCONF_get_string(extconf, "default", "extensions");
512                         if (!extsect)
513                                 {
514                                 ERR_clear_error();
515                                 extsect = "default";
516                                 }
517                         }
518                 X509V3_set_ctx_test(&ctx2);
519                 X509V3_set_nconf(&ctx2, extconf);
520                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
521                         {
522                         BIO_printf(bio_err,
523                                 "Error Loading extension section %s\n",
524                                                                  extsect);
525                         ERR_print_errors(bio_err);
526                         goto end;
527                         }
528                 }
529
530
531         if (reqfile)
532                 {
533                 EVP_PKEY *pkey;
534                 X509_CINF *ci;
535                 BIO *in;
536
537                 if (!sign_flag && !CA_flag)
538                         {
539                         BIO_printf(bio_err,"We need a private key to sign with\n");
540                         goto end;
541                         }
542                 in=BIO_new(BIO_s_file());
543                 if (in == NULL)
544                         {
545                         ERR_print_errors(bio_err);
546                         goto end;
547                         }
548
549                 if (infile == NULL)
550                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
551                 else
552                         {
553                         if (BIO_read_filename(in,infile) <= 0)
554                                 {
555                                 perror(infile);
556                                 BIO_free(in);
557                                 goto end;
558                                 }
559                         }
560                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
561                 BIO_free(in);
562
563                 if (req == NULL)
564                         {
565                         ERR_print_errors(bio_err);
566                         goto end;
567                         }
568
569                 if (    (req->req_info == NULL) ||
570                         (req->req_info->pubkey == NULL) ||
571                         (req->req_info->pubkey->public_key == NULL) ||
572                         (req->req_info->pubkey->public_key->data == NULL))
573                         {
574                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
575                         BIO_printf(bio_err,"It does not contain a public key\n");
576                         goto end;
577                         }
578                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
579                         {
580                         BIO_printf(bio_err,"error unpacking public key\n");
581                         goto end;
582                         }
583                 i=X509_REQ_verify(req,pkey);
584                 EVP_PKEY_free(pkey);
585                 if (i < 0)
586                         {
587                         BIO_printf(bio_err,"Signature verification error\n");
588                         ERR_print_errors(bio_err);
589                         goto end;
590                         }
591                 if (i == 0)
592                         {
593                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
594                         goto end;
595                         }
596                 else
597                         BIO_printf(bio_err,"Signature ok\n");
598
599                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
600
601                 if ((x=X509_new()) == NULL) goto end;
602                 ci=x->cert_info;
603
604                 if (sno == NULL)
605                         {
606                         sno = ASN1_INTEGER_new();
607                         if (!sno || !rand_serial(NULL, sno))
608                                 goto end;
609                         }
610
611                 if (!X509_set_serialNumber(x, sno)) 
612                         goto end;
613
614                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
615                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
616
617                 X509_gmtime_adj(X509_get_notBefore(x),0);
618                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
619
620                 pkey = X509_REQ_get_pubkey(req);
621                 X509_set_pubkey(x,pkey);
622                 EVP_PKEY_free(pkey);
623                 }
624         else
625                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
626
627         if (x == NULL) goto end;
628         if (CA_flag)
629                 {
630                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
631                 if (xca == NULL) goto end;
632                 }
633
634         if (!noout || text || next_serial)
635                 {
636                 OBJ_create("2.99999.3",
637                         "SET.ex3","SET x509v3 extension 3");
638
639                 out=BIO_new(BIO_s_file());
640                 if (out == NULL)
641                         {
642                         ERR_print_errors(bio_err);
643                         goto end;
644                         }
645                 if (outfile == NULL)
646                         {
647                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
648 #ifdef OPENSSL_SYS_VMS
649                         {
650                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
651                         out = BIO_push(tmpbio, out);
652                         }
653 #endif
654                         }
655                 else
656                         {
657                         if (BIO_write_filename(out,outfile) <= 0)
658                                 {
659                                 perror(outfile);
660                                 goto end;
661                                 }
662                         }
663                 }
664
665         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
666
667         if (clrtrust) X509_trust_clear(x);
668         if (clrreject) X509_reject_clear(x);
669
670         if (trust)
671                 {
672                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
673                         {
674                         objtmp = sk_ASN1_OBJECT_value(trust, i);
675                         X509_add1_trust_object(x, objtmp);
676                         }
677                 }
678
679         if (reject)
680                 {
681                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
682                         {
683                         objtmp = sk_ASN1_OBJECT_value(reject, i);
684                         X509_add1_reject_object(x, objtmp);
685                         }
686                 }
687
688         if (num)
689                 {
690                 for (i=1; i<=num; i++)
691                         {
692                         if (issuer == i)
693                                 {
694                                 print_name(STDout, "issuer= ",
695                                         X509_get_issuer_name(x), nmflag);
696                                 }
697                         else if (subject == i) 
698                                 {
699                                 print_name(STDout, "subject= ",
700                                         X509_get_subject_name(x), nmflag);
701                                 }
702                         else if (serial == i)
703                                 {
704                                 BIO_printf(STDout,"serial=");
705                                 i2a_ASN1_INTEGER(STDout,
706                                         X509_get_serialNumber(x));
707                                 BIO_printf(STDout,"\n");
708                                 }
709                         else if (next_serial == i)
710                                 {
711                                 BIGNUM *bnser;
712                                 ASN1_INTEGER *ser;
713                                 ser = X509_get_serialNumber(x);
714                                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
715                                 if (!bnser)
716                                         goto end;
717                                 if (!BN_add_word(bnser, 1))
718                                         goto end;
719                                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
720                                 if (!ser)
721                                         goto end;
722                                 BN_free(bnser);
723                                 i2a_ASN1_INTEGER(out, ser);
724                                 ASN1_INTEGER_free(ser);
725                                 BIO_puts(out, "\n");
726                                 }
727                         else if (email == i) 
728                                 {
729                                 int j;
730                                 STACK *emlst;
731                                 emlst = X509_get1_email(x);
732                                 for (j = 0; j < sk_num(emlst); j++)
733                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
734                                 X509_email_free(emlst);
735                                 }
736                         else if (aliasout == i)
737                                 {
738                                 unsigned char *alstr;
739                                 alstr = X509_alias_get0(x, NULL);
740                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
741                                 else BIO_puts(STDout,"<No Alias>\n");
742                                 }
743                         else if (subject_hash == i)
744                                 {
745                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
746                                 }
747                         else if (issuer_hash == i)
748                                 {
749                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
750                                 }
751                         else if (pprint == i)
752                                 {
753                                 X509_PURPOSE *ptmp;
754                                 int j;
755                                 BIO_printf(STDout, "Certificate purposes:\n");
756                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
757                                         {
758                                         ptmp = X509_PURPOSE_get0(j);
759                                         purpose_print(STDout, x, ptmp);
760                                         }
761                                 }
762                         else
763                                 if (modulus == i)
764                                 {
765                                 EVP_PKEY *pkey;
766
767                                 pkey=X509_get_pubkey(x);
768                                 if (pkey == NULL)
769                                         {
770                                         BIO_printf(bio_err,"Modulus=unavailable\n");
771                                         ERR_print_errors(bio_err);
772                                         goto end;
773                                         }
774                                 BIO_printf(STDout,"Modulus=");
775 #ifndef OPENSSL_NO_RSA
776                                 if (pkey->type == EVP_PKEY_RSA)
777                                         BN_print(STDout,pkey->pkey.rsa->n);
778                                 else
779 #endif
780 #ifndef OPENSSL_NO_DSA
781                                 if (pkey->type == EVP_PKEY_DSA)
782                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
783                                 else
784 #endif
785                                         BIO_printf(STDout,"Wrong Algorithm type");
786                                 BIO_printf(STDout,"\n");
787                                 EVP_PKEY_free(pkey);
788                                 }
789                         else
790                                 if (pubkey == i)
791                                 {
792                                 EVP_PKEY *pkey;
793
794                                 pkey=X509_get_pubkey(x);
795                                 if (pkey == NULL)
796                                         {
797                                         BIO_printf(bio_err,"Error getting public key\n");
798                                         ERR_print_errors(bio_err);
799                                         goto end;
800                                         }
801                                 PEM_write_bio_PUBKEY(STDout, pkey);
802                                 EVP_PKEY_free(pkey);
803                                 }
804                         else
805                                 if (C == i)
806                                 {
807                                 unsigned char *d;
808                                 char *m;
809                                 int y,z;
810
811                                 X509_NAME_oneline(X509_get_subject_name(x),
812                                         buf,sizeof buf);
813                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
814                                 m=X509_NAME_oneline(
815                                         X509_get_issuer_name(x),buf,
816                                         sizeof buf);
817                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
818
819                                 z=i2d_X509(x,NULL);
820                                 m=OPENSSL_malloc(z);
821
822                                 d=(unsigned char *)m;
823                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
824                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
825                                 d=(unsigned char *)m;
826                                 for (y=0; y<z; y++)
827                                         {
828                                         BIO_printf(STDout,"0x%02X,",d[y]);
829                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
830                                         }
831                                 if (y%16 != 0) BIO_printf(STDout,"\n");
832                                 BIO_printf(STDout,"};\n");
833
834                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
835                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
836                                 d=(unsigned char *)m;
837                                 for (y=0; y<z; y++)
838                                         {
839                                         BIO_printf(STDout,"0x%02X,",d[y]);
840                                         if ((y & 0x0f) == 0x0f)
841                                                 BIO_printf(STDout,"\n");
842                                         }
843                                 if (y%16 != 0) BIO_printf(STDout,"\n");
844                                 BIO_printf(STDout,"};\n");
845
846                                 z=i2d_X509(x,&d);
847                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
848                                 d=(unsigned char *)m;
849                                 for (y=0; y<z; y++)
850                                         {
851                                         BIO_printf(STDout,"0x%02X,",d[y]);
852                                         if ((y & 0x0f) == 0x0f)
853                                                 BIO_printf(STDout,"\n");
854                                         }
855                                 if (y%16 != 0) BIO_printf(STDout,"\n");
856                                 BIO_printf(STDout,"};\n");
857
858                                 OPENSSL_free(m);
859                                 }
860                         else if (text == i)
861                                 {
862                                 X509_print_ex(out,x,nmflag, certflag);
863                                 }
864                         else if (startdate == i)
865                                 {
866                                 BIO_puts(STDout,"notBefore=");
867                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
868                                 BIO_puts(STDout,"\n");
869                                 }
870                         else if (enddate == i)
871                                 {
872                                 BIO_puts(STDout,"notAfter=");
873                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
874                                 BIO_puts(STDout,"\n");
875                                 }
876                         else if (fingerprint == i)
877                                 {
878                                 int j;
879                                 unsigned int n;
880                                 unsigned char md[EVP_MAX_MD_SIZE];
881
882                                 if (!X509_digest(x,digest,md,&n))
883                                         {
884                                         BIO_printf(bio_err,"out of memory\n");
885                                         goto end;
886                                         }
887                                 BIO_printf(STDout,"%s Fingerprint=",
888                                                 OBJ_nid2sn(EVP_MD_type(digest)));
889                                 for (j=0; j<(int)n; j++)
890                                         {
891                                         BIO_printf(STDout,"%02X%c",md[j],
892                                                 (j+1 == (int)n)
893                                                 ?'\n':':');
894                                         }
895                                 }
896
897                         /* should be in the library */
898                         else if ((sign_flag == i) && (x509req == 0))
899                                 {
900                                 BIO_printf(bio_err,"Getting Private key\n");
901                                 if (Upkey == NULL)
902                                         {
903                                         Upkey=load_key(bio_err,
904                                                 keyfile, keyformat, 0,
905                                                 passin, e, "Private key");
906                                         if (Upkey == NULL) goto end;
907                                         }
908 #ifndef OPENSSL_NO_DSA
909                                 if (Upkey->type == EVP_PKEY_DSA)
910                                         digest=EVP_dss1();
911 #endif
912 #ifndef OPENSSL_NO_ECDSA
913                                 if (Upkey->type == EVP_PKEY_EC)
914                                         digest=EVP_ecdsa();
915 #endif
916
917                                 assert(need_rand);
918                                 if (!sign(x,Upkey,days,clrext,digest,
919                                                  extconf, extsect)) goto end;
920                                 }
921                         else if (CA_flag == i)
922                                 {
923                                 BIO_printf(bio_err,"Getting CA Private Key\n");
924                                 if (CAkeyfile != NULL)
925                                         {
926                                         CApkey=load_key(bio_err,
927                                                 CAkeyfile, CAkeyformat,
928                                                 0, passin, e,
929                                                 "CA Private Key");
930                                         if (CApkey == NULL) goto end;
931                                         }
932 #ifndef OPENSSL_NO_DSA
933                                 if (CApkey->type == EVP_PKEY_DSA)
934                                         digest=EVP_dss1();
935 #endif
936 #ifndef OPENSSL_NO_ECDSA
937                                 if (CApkey->type == EVP_PKEY_EC)
938                                         digest = EVP_ecdsa();
939 #endif
940                                 
941                                 assert(need_rand);
942                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
943                                         CApkey, CAserial,CA_createserial,days, clrext,
944                                         extconf, extsect, sno))
945                                         goto end;
946                                 }
947                         else if (x509req == i)
948                                 {
949                                 EVP_PKEY *pk;
950
951                                 BIO_printf(bio_err,"Getting request Private Key\n");
952                                 if (keyfile == NULL)
953                                         {
954                                         BIO_printf(bio_err,"no request key file specified\n");
955                                         goto end;
956                                         }
957                                 else
958                                         {
959                                         pk=load_key(bio_err,
960                                                 keyfile, FORMAT_PEM, 0,
961                                                 passin, e, "request key");
962                                         if (pk == NULL) goto end;
963                                         }
964
965                                 BIO_printf(bio_err,"Generating certificate request\n");
966
967 #ifndef OPENSSL_NO_DSA
968                                 if (pk->type == EVP_PKEY_DSA)
969                                         digest=EVP_dss1();
970 #endif
971 #ifndef OPENSSL_NO_ECDSA
972                                 if (pk->type == EVP_PKEY_EC)
973                                         digest=EVP_ecdsa();
974 #endif
975
976                                 rq=X509_to_X509_REQ(x,pk,digest);
977                                 EVP_PKEY_free(pk);
978                                 if (rq == NULL)
979                                         {
980                                         ERR_print_errors(bio_err);
981                                         goto end;
982                                         }
983                                 if (!noout)
984                                         {
985                                         X509_REQ_print(out,rq);
986                                         PEM_write_bio_X509_REQ(out,rq);
987                                         }
988                                 noout=1;
989                                 }
990                         else if (ocspid == i)
991                                 {
992                                 X509_ocspid_print(out, x);
993                                 }
994                         }
995                 }
996
997         if (checkend)
998                 {
999                 time_t tnow=time(NULL);
1000
1001                 if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x), tnow+checkoffset) == -1)
1002                         {
1003                         BIO_printf(out,"Certificate will expire\n");
1004                         ret=1;
1005                         }
1006                 else
1007                         {
1008                         BIO_printf(out,"Certificate will not expire\n");
1009                         ret=0;
1010                         }
1011                 goto end;
1012                 }
1013
1014         if (noout)
1015                 {
1016                 ret=0;
1017                 goto end;
1018                 }
1019
1020         if      (outformat == FORMAT_ASN1)
1021                 i=i2d_X509_bio(out,x);
1022         else if (outformat == FORMAT_PEM)
1023                 {
1024                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1025                 else i=PEM_write_bio_X509(out,x);
1026                 }
1027         else if (outformat == FORMAT_NETSCAPE)
1028                 {
1029                 ASN1_HEADER ah;
1030                 ASN1_OCTET_STRING os;
1031
1032                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
1033                 os.length=strlen(NETSCAPE_CERT_HDR);
1034                 ah.header= &os;
1035                 ah.data=(char *)x;
1036                 ah.meth=X509_asn1_meth();
1037
1038                 /* no macro for this one yet */
1039                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
1040                 }
1041         else    {
1042                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1043                 goto end;
1044                 }
1045         if (!i)
1046                 {
1047                 BIO_printf(bio_err,"unable to write certificate\n");
1048                 ERR_print_errors(bio_err);
1049                 goto end;
1050                 }
1051         ret=0;
1052 end:
1053         if (need_rand)
1054                 app_RAND_write_file(NULL, bio_err);
1055         OBJ_cleanup();
1056         NCONF_free(extconf);
1057         BIO_free_all(out);
1058         BIO_free_all(STDout);
1059         X509_STORE_free(ctx);
1060         X509_REQ_free(req);
1061         X509_free(x);
1062         X509_free(xca);
1063         EVP_PKEY_free(Upkey);
1064         EVP_PKEY_free(CApkey);
1065         X509_REQ_free(rq);
1066         ASN1_INTEGER_free(sno);
1067         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1068         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1069         if (passin) OPENSSL_free(passin);
1070         apps_shutdown();
1071         OPENSSL_EXIT(ret);
1072         }
1073
1074 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1075         {
1076         char *buf = NULL, *p;
1077         ASN1_INTEGER *bs = NULL;
1078         BIGNUM *serial = NULL;
1079         size_t len;
1080
1081         len = ((serialfile == NULL)
1082                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1083                 :(strlen(serialfile)))+1;
1084         buf=OPENSSL_malloc(len);
1085         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1086         if (serialfile == NULL)
1087                 {
1088                 BUF_strlcpy(buf,CAfile,len);
1089                 for (p=buf; *p; p++)
1090                         if (*p == '.')
1091                                 {
1092                                 *p='\0';
1093                                 break;
1094                                 }
1095                 BUF_strlcat(buf,POSTFIX,len);
1096                 }
1097         else
1098                 BUF_strlcpy(buf,serialfile,len);
1099
1100         serial = load_serial(buf, create, NULL);
1101         if (serial == NULL) goto end;
1102
1103         if (!BN_add_word(serial,1))
1104                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1105
1106         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1107
1108  end:
1109         if (buf) OPENSSL_free(buf);
1110         BN_free(serial);
1111         return bs;
1112         }
1113
1114 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1115              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1116              int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1117         {
1118         int ret=0;
1119         ASN1_INTEGER *bs=NULL;
1120         X509_STORE_CTX xsc;
1121         EVP_PKEY *upkey;
1122
1123         upkey = X509_get_pubkey(xca);
1124         EVP_PKEY_copy_parameters(upkey,pkey);
1125         EVP_PKEY_free(upkey);
1126
1127         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1128                 {
1129                 BIO_printf(bio_err,"Error initialising X509 store\n");
1130                 goto end;
1131                 }
1132         if (sno) bs = sno;
1133         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1134                 goto end;
1135
1136 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1137
1138         /* NOTE: this certificate can/should be self signed, unless it was
1139          * a certificate request in which case it is not. */
1140         X509_STORE_CTX_set_cert(&xsc,x);
1141         if (!reqfile && !X509_verify_cert(&xsc))
1142                 goto end;
1143
1144         if (!X509_check_private_key(xca,pkey))
1145                 {
1146                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1147                 goto end;
1148                 }
1149
1150         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1151         if (!X509_set_serialNumber(x,bs)) goto end;
1152
1153         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1154                 goto end;
1155
1156         /* hardwired expired */
1157         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1158                 goto end;
1159
1160         if (clrext)
1161                 {
1162                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1163                 }
1164
1165         if (conf)
1166                 {
1167                 X509V3_CTX ctx2;
1168                 X509_set_version(x,2); /* version 3 certificate */
1169                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1170                 X509V3_set_nconf(&ctx2, conf);
1171                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1172                 }
1173
1174         if (!X509_sign(x,pkey,digest)) goto end;
1175         ret=1;
1176 end:
1177         X509_STORE_CTX_cleanup(&xsc);
1178         if (!ret)
1179                 ERR_print_errors(bio_err);
1180         if (!sno) ASN1_INTEGER_free(bs);
1181         return ret;
1182         }
1183
1184 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1185         {
1186         int err;
1187         X509 *err_cert;
1188
1189         /* it is ok to use a self signed certificate
1190          * This case will catch both the initial ok == 0 and the
1191          * final ok == 1 calls to this function */
1192         err=X509_STORE_CTX_get_error(ctx);
1193         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1194                 return 1;
1195
1196         /* BAD we should have gotten an error.  Normally if everything
1197          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1198          * DEPTH_ZERO_SELF_.... */
1199         if (ok)
1200                 {
1201                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1202                 return 0;
1203                 }
1204         else
1205                 {
1206                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1207                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1208                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1209                         err,X509_STORE_CTX_get_error_depth(ctx),
1210                         X509_verify_cert_error_string(err));
1211                 return 1;
1212                 }
1213         }
1214
1215 /* self sign */
1216 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1217                                                 CONF *conf, char *section)
1218         {
1219
1220         EVP_PKEY *pktmp;
1221
1222         pktmp = X509_get_pubkey(x);
1223         EVP_PKEY_copy_parameters(pktmp,pkey);
1224         EVP_PKEY_save_parameters(pktmp,1);
1225         EVP_PKEY_free(pktmp);
1226
1227         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1228         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1229
1230         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1231         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1232         /* 28 days to be certified */
1233
1234         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1235                 goto err;
1236
1237         if (!X509_set_pubkey(x,pkey)) goto err;
1238         if (clrext)
1239                 {
1240                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1241                 }
1242         if (conf)
1243                 {
1244                 X509V3_CTX ctx;
1245                 X509_set_version(x,2); /* version 3 certificate */
1246                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1247                 X509V3_set_nconf(&ctx, conf);
1248                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1249                 }
1250         if (!X509_sign(x,pkey,digest)) goto err;
1251         return 1;
1252 err:
1253         ERR_print_errors(bio_err);
1254         return 0;
1255         }
1256
1257 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1258 {
1259         int id, i, idret;
1260         char *pname;
1261         id = X509_PURPOSE_get_id(pt);
1262         pname = X509_PURPOSE_get0_name(pt);
1263         for (i = 0; i < 2; i++)
1264                 {
1265                 idret = X509_check_purpose(cert, id, i);
1266                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1267                 if (idret == 1) BIO_printf(bio, "Yes\n");
1268                 else if (idret == 0) BIO_printf(bio, "No\n");
1269                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1270                 }
1271         return 1;
1272 }