Change STRING to OPENSSL_STRING etc as common words such
[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 #ifndef OPENSSL_NO_RSA
77 #include <openssl/rsa.h>
78 #endif
79 #ifndef OPENSSL_NO_DSA
80 #include <openssl/dsa.h>
81 #endif
82
83 #undef PROG
84 #define PROG x509_main
85
86 #undef POSTFIX
87 #define POSTFIX ".srl"
88 #define DEF_DAYS        30
89
90 static const char *x509_usage[]={
91 "usage: x509 args\n",
92 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
93 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
94 " -keyform arg    - private key format - default PEM\n",
95 " -CAform arg     - CA format - default PEM\n",
96 " -CAkeyform arg  - CA key format - default PEM\n",
97 " -in arg         - input file - default stdin\n",
98 " -out arg        - output file - default stdout\n",
99 " -passin arg     - private key password source\n",
100 " -serial         - print serial number value\n",
101 " -subject_hash   - print subject hash value\n",
102 " -issuer_hash    - print issuer hash value\n",
103 " -hash           - synonym for -subject_hash\n",
104 " -subject        - print subject DN\n",
105 " -issuer         - print issuer DN\n",
106 " -email          - print email address(es)\n",
107 " -startdate      - notBefore field\n",
108 " -enddate        - notAfter field\n",
109 " -purpose        - print out certificate purposes\n",
110 " -dates          - both Before and After dates\n",
111 " -modulus        - print the RSA key modulus\n",
112 " -pubkey         - output the public key\n",
113 " -fingerprint    - print the certificate fingerprint\n",
114 " -alias          - output certificate alias\n",
115 " -noout          - no certificate output\n",
116 " -ocspid         - print OCSP hash values for the subject name and public key\n",
117 " -ocsp_uri       - print OCSP Responder URL(s)\n",
118 " -trustout       - output a \"trusted\" certificate\n",
119 " -clrtrust       - clear all trusted purposes\n",
120 " -clrreject      - clear all rejected purposes\n",
121 " -addtrust arg   - trust certificate for a given purpose\n",
122 " -addreject arg  - reject certificate for a given purpose\n",
123 " -setalias arg   - set certificate alias\n",
124 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
125 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
126 "                   exit 1 if so, 0 if not\n",
127 " -signkey arg    - self sign cert with arg\n",
128 " -x509toreq      - output a certification request object\n",
129 " -req            - input is a certificate request, sign and output.\n",
130 " -CA arg         - set the CA certificate, must be PEM format.\n",
131 " -CAkey arg      - set the CA key, must be PEM format\n",
132 "                   missing, it is assumed to be in the CA file.\n",
133 " -CAcreateserial - create serial number file if it does not exist\n",
134 " -CAserial arg   - serial file\n",
135 " -set_serial     - serial number to use\n",
136 " -text           - print the certificate in text form\n",
137 " -C              - print out C code forms\n",
138 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
139 " -extfile        - configuration file with X509V3 extensions to add\n",
140 " -extensions     - section from config file with X509V3 extensions to add\n",
141 " -clrext         - delete extensions before signing and input certificate\n",
142 " -nameopt arg    - various certificate name options\n",
143 #ifndef OPENSSL_NO_ENGINE
144 " -engine e       - use engine e, possibly a hardware device.\n",
145 #endif
146 " -certopt arg    - various certificate text options\n",
147 NULL
148 };
149
150 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
151 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
152                                                 CONF *conf, char *section);
153 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
154                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
155                          int create,int days, int clrext, CONF *conf, char *section,
156                                                 ASN1_INTEGER *sno);
157 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
158 static int reqfile=0;
159
160 int MAIN(int, char **);
161
162 int MAIN(int argc, char **argv)
163         {
164         ENGINE *e = NULL;
165         int ret=1;
166         X509_REQ *req=NULL;
167         X509 *x=NULL,*xca=NULL;
168         ASN1_OBJECT *objtmp;
169         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
170         ASN1_INTEGER *sno = NULL;
171         int i,num,badops=0;
172         BIO *out=NULL;
173         BIO *STDout=NULL;
174         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
175         int informat,outformat,keyformat,CAformat,CAkeyformat;
176         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
177         char *CAkeyfile=NULL,*CAserial=NULL;
178         char *alias=NULL;
179         int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
180         int next_serial=0;
181         int subject_hash=0,issuer_hash=0,ocspid=0;
182         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
183         int ocsp_uri=0;
184         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
185         int C=0;
186         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
187         int pprint = 0;
188         const char **pp;
189         X509_STORE *ctx=NULL;
190         X509_REQ *rq=NULL;
191         int fingerprint=0;
192         char buf[256];
193         const EVP_MD *md_alg,*digest=NULL;
194         CONF *extconf = NULL;
195         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
196         int need_rand = 0;
197         int checkend=0,checkoffset=0;
198         unsigned long nmflag = 0, certflag = 0;
199 #ifndef OPENSSL_NO_ENGINE
200         char *engine=NULL;
201 #endif
202
203         reqfile=0;
204
205         apps_startup();
206
207         if (bio_err == NULL)
208                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
209
210         if (!load_config(bio_err, NULL))
211                 goto end;
212         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
213 #ifdef OPENSSL_SYS_VMS
214         {
215         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
216         STDout = BIO_push(tmpbio, STDout);
217         }
218 #endif
219
220         informat=FORMAT_PEM;
221         outformat=FORMAT_PEM;
222         keyformat=FORMAT_PEM;
223         CAformat=FORMAT_PEM;
224         CAkeyformat=FORMAT_PEM;
225
226         ctx=X509_STORE_new();
227         if (ctx == NULL) goto end;
228         X509_STORE_set_verify_cb_func(ctx,callb);
229
230         argc--;
231         argv++;
232         num=0;
233         while (argc >= 1)
234                 {
235                 if      (strcmp(*argv,"-inform") == 0)
236                         {
237                         if (--argc < 1) goto bad;
238                         informat=str2fmt(*(++argv));
239                         }
240                 else if (strcmp(*argv,"-outform") == 0)
241                         {
242                         if (--argc < 1) goto bad;
243                         outformat=str2fmt(*(++argv));
244                         }
245                 else if (strcmp(*argv,"-keyform") == 0)
246                         {
247                         if (--argc < 1) goto bad;
248                         keyformat=str2fmt(*(++argv));
249                         }
250                 else if (strcmp(*argv,"-req") == 0)
251                         {
252                         reqfile=1;
253                         need_rand = 1;
254                         }
255                 else if (strcmp(*argv,"-CAform") == 0)
256                         {
257                         if (--argc < 1) goto bad;
258                         CAformat=str2fmt(*(++argv));
259                         }
260                 else if (strcmp(*argv,"-CAkeyform") == 0)
261                         {
262                         if (--argc < 1) goto bad;
263                         CAkeyformat=str2fmt(*(++argv));
264                         }
265                 else if (strcmp(*argv,"-days") == 0)
266                         {
267                         if (--argc < 1) goto bad;
268                         days=atoi(*(++argv));
269                         if (days == 0)
270                                 {
271                                 BIO_printf(STDout,"bad number of days\n");
272                                 goto bad;
273                                 }
274                         }
275                 else if (strcmp(*argv,"-passin") == 0)
276                         {
277                         if (--argc < 1) goto bad;
278                         passargin= *(++argv);
279                         }
280                 else if (strcmp(*argv,"-extfile") == 0)
281                         {
282                         if (--argc < 1) goto bad;
283                         extfile= *(++argv);
284                         }
285                 else if (strcmp(*argv,"-extensions") == 0)
286                         {
287                         if (--argc < 1) goto bad;
288                         extsect= *(++argv);
289                         }
290                 else if (strcmp(*argv,"-in") == 0)
291                         {
292                         if (--argc < 1) goto bad;
293                         infile= *(++argv);
294                         }
295                 else if (strcmp(*argv,"-out") == 0)
296                         {
297                         if (--argc < 1) goto bad;
298                         outfile= *(++argv);
299                         }
300                 else if (strcmp(*argv,"-signkey") == 0)
301                         {
302                         if (--argc < 1) goto bad;
303                         keyfile= *(++argv);
304                         sign_flag= ++num;
305                         need_rand = 1;
306                         }
307                 else if (strcmp(*argv,"-CA") == 0)
308                         {
309                         if (--argc < 1) goto bad;
310                         CAfile= *(++argv);
311                         CA_flag= ++num;
312                         need_rand = 1;
313                         }
314                 else if (strcmp(*argv,"-CAkey") == 0)
315                         {
316                         if (--argc < 1) goto bad;
317                         CAkeyfile= *(++argv);
318                         }
319                 else if (strcmp(*argv,"-CAserial") == 0)
320                         {
321                         if (--argc < 1) goto bad;
322                         CAserial= *(++argv);
323                         }
324                 else if (strcmp(*argv,"-set_serial") == 0)
325                         {
326                         if (--argc < 1) goto bad;
327                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
328                                 goto bad;
329                         }
330                 else if (strcmp(*argv,"-addtrust") == 0)
331                         {
332                         if (--argc < 1) goto bad;
333                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
334                                 {
335                                 BIO_printf(bio_err,
336                                         "Invalid trust object value %s\n", *argv);
337                                 goto bad;
338                                 }
339                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
340                         sk_ASN1_OBJECT_push(trust, objtmp);
341                         trustout = 1;
342                         }
343                 else if (strcmp(*argv,"-addreject") == 0)
344                         {
345                         if (--argc < 1) goto bad;
346                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
347                                 {
348                                 BIO_printf(bio_err,
349                                         "Invalid reject object value %s\n", *argv);
350                                 goto bad;
351                                 }
352                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
353                         sk_ASN1_OBJECT_push(reject, objtmp);
354                         trustout = 1;
355                         }
356                 else if (strcmp(*argv,"-setalias") == 0)
357                         {
358                         if (--argc < 1) goto bad;
359                         alias= *(++argv);
360                         trustout = 1;
361                         }
362                 else if (strcmp(*argv,"-certopt") == 0)
363                         {
364                         if (--argc < 1) goto bad;
365                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
366                         }
367                 else if (strcmp(*argv,"-nameopt") == 0)
368                         {
369                         if (--argc < 1) goto bad;
370                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
371                         }
372 #ifndef OPENSSL_NO_ENGINE
373                 else if (strcmp(*argv,"-engine") == 0)
374                         {
375                         if (--argc < 1) goto bad;
376                         engine= *(++argv);
377                         }
378 #endif
379                 else if (strcmp(*argv,"-C") == 0)
380                         C= ++num;
381                 else if (strcmp(*argv,"-email") == 0)
382                         email= ++num;
383                 else if (strcmp(*argv,"-ocsp_uri") == 0)
384                         ocsp_uri= ++num;
385                 else if (strcmp(*argv,"-serial") == 0)
386                         serial= ++num;
387                 else if (strcmp(*argv,"-next_serial") == 0)
388                         next_serial= ++num;
389                 else if (strcmp(*argv,"-modulus") == 0)
390                         modulus= ++num;
391                 else if (strcmp(*argv,"-pubkey") == 0)
392                         pubkey= ++num;
393                 else if (strcmp(*argv,"-x509toreq") == 0)
394                         x509req= ++num;
395                 else if (strcmp(*argv,"-text") == 0)
396                         text= ++num;
397                 else if (strcmp(*argv,"-hash") == 0
398                         || strcmp(*argv,"-subject_hash") == 0)
399                         subject_hash= ++num;
400                 else if (strcmp(*argv,"-issuer_hash") == 0)
401                         issuer_hash= ++num;
402                 else if (strcmp(*argv,"-subject") == 0)
403                         subject= ++num;
404                 else if (strcmp(*argv,"-issuer") == 0)
405                         issuer= ++num;
406                 else if (strcmp(*argv,"-fingerprint") == 0)
407                         fingerprint= ++num;
408                 else if (strcmp(*argv,"-dates") == 0)
409                         {
410                         startdate= ++num;
411                         enddate= ++num;
412                         }
413                 else if (strcmp(*argv,"-purpose") == 0)
414                         pprint= ++num;
415                 else if (strcmp(*argv,"-startdate") == 0)
416                         startdate= ++num;
417                 else if (strcmp(*argv,"-enddate") == 0)
418                         enddate= ++num;
419                 else if (strcmp(*argv,"-checkend") == 0)
420                         {
421                         if (--argc < 1) goto bad;
422                         checkoffset=atoi(*(++argv));
423                         checkend=1;
424                         }
425                 else if (strcmp(*argv,"-noout") == 0)
426                         noout= ++num;
427                 else if (strcmp(*argv,"-trustout") == 0)
428                         trustout= 1;
429                 else if (strcmp(*argv,"-clrtrust") == 0)
430                         clrtrust= ++num;
431                 else if (strcmp(*argv,"-clrreject") == 0)
432                         clrreject= ++num;
433                 else if (strcmp(*argv,"-alias") == 0)
434                         aliasout= ++num;
435                 else if (strcmp(*argv,"-CAcreateserial") == 0)
436                         CA_createserial= ++num;
437                 else if (strcmp(*argv,"-clrext") == 0)
438                         clrext = 1;
439 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
440                 else if (strcmp(*argv,"-crlext") == 0)
441                         {
442                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
443                         clrext = 1;
444                         }
445 #endif
446                 else if (strcmp(*argv,"-ocspid") == 0)
447                         ocspid= ++num;
448                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
449                         {
450                         /* ok */
451                         digest=md_alg;
452                         }
453                 else
454                         {
455                         BIO_printf(bio_err,"unknown option %s\n",*argv);
456                         badops=1;
457                         break;
458                         }
459                 argc--;
460                 argv++;
461                 }
462
463         if (badops)
464                 {
465 bad:
466                 for (pp=x509_usage; (*pp != NULL); pp++)
467                         BIO_printf(bio_err,"%s",*pp);
468                 goto end;
469                 }
470
471 #ifndef OPENSSL_NO_ENGINE
472         e = setup_engine(bio_err, engine, 0);
473 #endif
474
475         if (need_rand)
476                 app_RAND_load_file(NULL, bio_err, 0);
477
478         ERR_load_crypto_strings();
479
480         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
481                 {
482                 BIO_printf(bio_err, "Error getting password\n");
483                 goto end;
484                 }
485
486         if (!X509_STORE_set_default_paths(ctx))
487                 {
488                 ERR_print_errors(bio_err);
489                 goto end;
490                 }
491
492         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
493                 { CAkeyfile=CAfile; }
494         else if ((CA_flag) && (CAkeyfile == NULL))
495                 {
496                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
497                 goto end;
498                 }
499
500         if (extfile)
501                 {
502                 long errorline = -1;
503                 X509V3_CTX ctx2;
504                 extconf = NCONF_new(NULL);
505                 if (!NCONF_load(extconf, extfile,&errorline))
506                         {
507                         if (errorline <= 0)
508                                 BIO_printf(bio_err,
509                                         "error loading the config file '%s'\n",
510                                                                 extfile);
511                         else
512                                 BIO_printf(bio_err,
513                                        "error on line %ld of config file '%s'\n"
514                                                         ,errorline,extfile);
515                         goto end;
516                         }
517                 if (!extsect)
518                         {
519                         extsect = NCONF_get_string(extconf, "default", "extensions");
520                         if (!extsect)
521                                 {
522                                 ERR_clear_error();
523                                 extsect = "default";
524                                 }
525                         }
526                 X509V3_set_ctx_test(&ctx2);
527                 X509V3_set_nconf(&ctx2, extconf);
528                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
529                         {
530                         BIO_printf(bio_err,
531                                 "Error Loading extension section %s\n",
532                                                                  extsect);
533                         ERR_print_errors(bio_err);
534                         goto end;
535                         }
536                 }
537
538
539         if (reqfile)
540                 {
541                 EVP_PKEY *pkey;
542                 X509_CINF *ci;
543                 BIO *in;
544
545                 if (!sign_flag && !CA_flag)
546                         {
547                         BIO_printf(bio_err,"We need a private key to sign with\n");
548                         goto end;
549                         }
550                 in=BIO_new(BIO_s_file());
551                 if (in == NULL)
552                         {
553                         ERR_print_errors(bio_err);
554                         goto end;
555                         }
556
557                 if (infile == NULL)
558                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
559                 else
560                         {
561                         if (BIO_read_filename(in,infile) <= 0)
562                                 {
563                                 perror(infile);
564                                 BIO_free(in);
565                                 goto end;
566                                 }
567                         }
568                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
569                 BIO_free(in);
570
571                 if (req == NULL)
572                         {
573                         ERR_print_errors(bio_err);
574                         goto end;
575                         }
576
577                 if (    (req->req_info == NULL) ||
578                         (req->req_info->pubkey == NULL) ||
579                         (req->req_info->pubkey->public_key == NULL) ||
580                         (req->req_info->pubkey->public_key->data == NULL))
581                         {
582                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
583                         BIO_printf(bio_err,"It does not contain a public key\n");
584                         goto end;
585                         }
586                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
587                         {
588                         BIO_printf(bio_err,"error unpacking public key\n");
589                         goto end;
590                         }
591                 i=X509_REQ_verify(req,pkey);
592                 EVP_PKEY_free(pkey);
593                 if (i < 0)
594                         {
595                         BIO_printf(bio_err,"Signature verification error\n");
596                         ERR_print_errors(bio_err);
597                         goto end;
598                         }
599                 if (i == 0)
600                         {
601                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
602                         goto end;
603                         }
604                 else
605                         BIO_printf(bio_err,"Signature ok\n");
606
607                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
608
609                 if ((x=X509_new()) == NULL) goto end;
610                 ci=x->cert_info;
611
612                 if (sno == NULL)
613                         {
614                         sno = ASN1_INTEGER_new();
615                         if (!sno || !rand_serial(NULL, sno))
616                                 goto end;
617                         if (!X509_set_serialNumber(x, sno)) 
618                                 goto end;
619                         ASN1_INTEGER_free(sno);
620                         sno = NULL;
621                         }
622                 else if (!X509_set_serialNumber(x, sno)) 
623                         goto end;
624
625                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
626                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
627
628                 X509_gmtime_adj(X509_get_notBefore(x),0);
629                 X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL);
630
631                 pkey = X509_REQ_get_pubkey(req);
632                 X509_set_pubkey(x,pkey);
633                 EVP_PKEY_free(pkey);
634                 }
635         else
636                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
637
638         if (x == NULL) goto end;
639         if (CA_flag)
640                 {
641                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
642                 if (xca == NULL) goto end;
643                 }
644
645         if (!noout || text || next_serial)
646                 {
647                 OBJ_create("2.99999.3",
648                         "SET.ex3","SET x509v3 extension 3");
649
650                 out=BIO_new(BIO_s_file());
651                 if (out == NULL)
652                         {
653                         ERR_print_errors(bio_err);
654                         goto end;
655                         }
656                 if (outfile == NULL)
657                         {
658                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
659 #ifdef OPENSSL_SYS_VMS
660                         {
661                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
662                         out = BIO_push(tmpbio, out);
663                         }
664 #endif
665                         }
666                 else
667                         {
668                         if (BIO_write_filename(out,outfile) <= 0)
669                                 {
670                                 perror(outfile);
671                                 goto end;
672                                 }
673                         }
674                 }
675
676         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
677
678         if (clrtrust) X509_trust_clear(x);
679         if (clrreject) X509_reject_clear(x);
680
681         if (trust)
682                 {
683                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
684                         {
685                         objtmp = sk_ASN1_OBJECT_value(trust, i);
686                         X509_add1_trust_object(x, objtmp);
687                         }
688                 }
689
690         if (reject)
691                 {
692                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
693                         {
694                         objtmp = sk_ASN1_OBJECT_value(reject, i);
695                         X509_add1_reject_object(x, objtmp);
696                         }
697                 }
698
699         if (num)
700                 {
701                 for (i=1; i<=num; i++)
702                         {
703                         if (issuer == i)
704                                 {
705                                 print_name(STDout, "issuer= ",
706                                         X509_get_issuer_name(x), nmflag);
707                                 }
708                         else if (subject == i) 
709                                 {
710                                 print_name(STDout, "subject= ",
711                                         X509_get_subject_name(x), nmflag);
712                                 }
713                         else if (serial == i)
714                                 {
715                                 BIO_printf(STDout,"serial=");
716                                 i2a_ASN1_INTEGER(STDout,
717                                         X509_get_serialNumber(x));
718                                 BIO_printf(STDout,"\n");
719                                 }
720                         else if (next_serial == i)
721                                 {
722                                 BIGNUM *bnser;
723                                 ASN1_INTEGER *ser;
724                                 ser = X509_get_serialNumber(x);
725                                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
726                                 if (!bnser)
727                                         goto end;
728                                 if (!BN_add_word(bnser, 1))
729                                         goto end;
730                                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
731                                 if (!ser)
732                                         goto end;
733                                 BN_free(bnser);
734                                 i2a_ASN1_INTEGER(out, ser);
735                                 ASN1_INTEGER_free(ser);
736                                 BIO_puts(out, "\n");
737                                 }
738                         else if ((email == i) || (ocsp_uri == i))
739                                 {
740                                 int j;
741                                 STACK_OF(OPENSSL_STRING) *emlst;
742                                 if (email == i)
743                                         emlst = X509_get1_email(x);
744                                 else
745                                         emlst = X509_get1_ocsp(x);
746                                 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
747                                         BIO_printf(STDout, "%s\n",
748                                                    sk_OPENSSL_STRING_value(emlst, j));
749                                 X509_email_free(emlst);
750                                 }
751                         else if (aliasout == i)
752                                 {
753                                 unsigned char *alstr;
754                                 alstr = X509_alias_get0(x, NULL);
755                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
756                                 else BIO_puts(STDout,"<No Alias>\n");
757                                 }
758                         else if (subject_hash == i)
759                                 {
760                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
761                                 }
762                         else if (issuer_hash == i)
763                                 {
764                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
765                                 }
766                         else if (pprint == i)
767                                 {
768                                 X509_PURPOSE *ptmp;
769                                 int j;
770                                 BIO_printf(STDout, "Certificate purposes:\n");
771                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
772                                         {
773                                         ptmp = X509_PURPOSE_get0(j);
774                                         purpose_print(STDout, x, ptmp);
775                                         }
776                                 }
777                         else
778                                 if (modulus == i)
779                                 {
780                                 EVP_PKEY *pkey;
781
782                                 pkey=X509_get_pubkey(x);
783                                 if (pkey == NULL)
784                                         {
785                                         BIO_printf(bio_err,"Modulus=unavailable\n");
786                                         ERR_print_errors(bio_err);
787                                         goto end;
788                                         }
789                                 BIO_printf(STDout,"Modulus=");
790 #ifndef OPENSSL_NO_RSA
791                                 if (pkey->type == EVP_PKEY_RSA)
792                                         BN_print(STDout,pkey->pkey.rsa->n);
793                                 else
794 #endif
795 #ifndef OPENSSL_NO_DSA
796                                 if (pkey->type == EVP_PKEY_DSA)
797                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
798                                 else
799 #endif
800                                         BIO_printf(STDout,"Wrong Algorithm type");
801                                 BIO_printf(STDout,"\n");
802                                 EVP_PKEY_free(pkey);
803                                 }
804                         else
805                                 if (pubkey == i)
806                                 {
807                                 EVP_PKEY *pkey;
808
809                                 pkey=X509_get_pubkey(x);
810                                 if (pkey == NULL)
811                                         {
812                                         BIO_printf(bio_err,"Error getting public key\n");
813                                         ERR_print_errors(bio_err);
814                                         goto end;
815                                         }
816                                 PEM_write_bio_PUBKEY(STDout, pkey);
817                                 EVP_PKEY_free(pkey);
818                                 }
819                         else
820                                 if (C == i)
821                                 {
822                                 unsigned char *d;
823                                 char *m;
824                                 int y,z;
825
826                                 X509_NAME_oneline(X509_get_subject_name(x),
827                                         buf,sizeof buf);
828                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
829                                 m=X509_NAME_oneline(
830                                         X509_get_issuer_name(x),buf,
831                                         sizeof buf);
832                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
833
834                                 z=i2d_X509(x,NULL);
835                                 m=OPENSSL_malloc(z);
836
837                                 d=(unsigned char *)m;
838                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
839                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
840                                 d=(unsigned char *)m;
841                                 for (y=0; y<z; y++)
842                                         {
843                                         BIO_printf(STDout,"0x%02X,",d[y]);
844                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
845                                         }
846                                 if (y%16 != 0) BIO_printf(STDout,"\n");
847                                 BIO_printf(STDout,"};\n");
848
849                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
850                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
851                                 d=(unsigned char *)m;
852                                 for (y=0; y<z; y++)
853                                         {
854                                         BIO_printf(STDout,"0x%02X,",d[y]);
855                                         if ((y & 0x0f) == 0x0f)
856                                                 BIO_printf(STDout,"\n");
857                                         }
858                                 if (y%16 != 0) BIO_printf(STDout,"\n");
859                                 BIO_printf(STDout,"};\n");
860
861                                 z=i2d_X509(x,&d);
862                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
863                                 d=(unsigned char *)m;
864                                 for (y=0; y<z; y++)
865                                         {
866                                         BIO_printf(STDout,"0x%02X,",d[y]);
867                                         if ((y & 0x0f) == 0x0f)
868                                                 BIO_printf(STDout,"\n");
869                                         }
870                                 if (y%16 != 0) BIO_printf(STDout,"\n");
871                                 BIO_printf(STDout,"};\n");
872
873                                 OPENSSL_free(m);
874                                 }
875                         else if (text == i)
876                                 {
877                                 X509_print_ex(out,x,nmflag, certflag);
878                                 }
879                         else if (startdate == i)
880                                 {
881                                 BIO_puts(STDout,"notBefore=");
882                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
883                                 BIO_puts(STDout,"\n");
884                                 }
885                         else if (enddate == i)
886                                 {
887                                 BIO_puts(STDout,"notAfter=");
888                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
889                                 BIO_puts(STDout,"\n");
890                                 }
891                         else if (fingerprint == i)
892                                 {
893                                 int j;
894                                 unsigned int n;
895                                 unsigned char md[EVP_MAX_MD_SIZE];
896                                 const EVP_MD *fdig = digest;
897
898                                 if (!fdig)
899                                         fdig = EVP_sha1();
900
901                                 if (!X509_digest(x,fdig,md,&n))
902                                         {
903                                         BIO_printf(bio_err,"out of memory\n");
904                                         goto end;
905                                         }
906                                 BIO_printf(STDout,"%s Fingerprint=",
907                                                 OBJ_nid2sn(EVP_MD_type(fdig)));
908                                 for (j=0; j<(int)n; j++)
909                                         {
910                                         BIO_printf(STDout,"%02X%c",md[j],
911                                                 (j+1 == (int)n)
912                                                 ?'\n':':');
913                                         }
914                                 }
915
916                         /* should be in the library */
917                         else if ((sign_flag == i) && (x509req == 0))
918                                 {
919                                 BIO_printf(bio_err,"Getting Private key\n");
920                                 if (Upkey == NULL)
921                                         {
922                                         Upkey=load_key(bio_err,
923                                                 keyfile, keyformat, 0,
924                                                 passin, e, "Private key");
925                                         if (Upkey == NULL) goto end;
926                                         }
927
928                                 assert(need_rand);
929                                 if (!sign(x,Upkey,days,clrext,digest,
930                                                  extconf, extsect)) goto end;
931                                 }
932                         else if (CA_flag == i)
933                                 {
934                                 BIO_printf(bio_err,"Getting CA Private Key\n");
935                                 if (CAkeyfile != NULL)
936                                         {
937                                         CApkey=load_key(bio_err,
938                                                 CAkeyfile, CAkeyformat,
939                                                 0, passin, e,
940                                                 "CA Private Key");
941                                         if (CApkey == NULL) goto end;
942                                         }
943                                 
944                                 assert(need_rand);
945                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
946                                         CApkey, CAserial,CA_createserial,days, clrext,
947                                         extconf, extsect, sno))
948                                         goto end;
949                                 }
950                         else if (x509req == i)
951                                 {
952                                 EVP_PKEY *pk;
953
954                                 BIO_printf(bio_err,"Getting request Private Key\n");
955                                 if (keyfile == NULL)
956                                         {
957                                         BIO_printf(bio_err,"no request key file specified\n");
958                                         goto end;
959                                         }
960                                 else
961                                         {
962                                         pk=load_key(bio_err,
963                                                 keyfile, FORMAT_PEM, 0,
964                                                 passin, e, "request key");
965                                         if (pk == NULL) goto end;
966                                         }
967
968                                 BIO_printf(bio_err,"Generating certificate request\n");
969
970                                 rq=X509_to_X509_REQ(x,pk,digest);
971                                 EVP_PKEY_free(pk);
972                                 if (rq == NULL)
973                                         {
974                                         ERR_print_errors(bio_err);
975                                         goto end;
976                                         }
977                                 if (!noout)
978                                         {
979                                         X509_REQ_print(out,rq);
980                                         PEM_write_bio_X509_REQ(out,rq);
981                                         }
982                                 noout=1;
983                                 }
984                         else if (ocspid == i)
985                                 {
986                                 X509_ocspid_print(out, x);
987                                 }
988                         }
989                 }
990
991         if (checkend)
992                 {
993                 time_t tcheck=time(NULL) + checkoffset;
994
995                 if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
996                         {
997                         BIO_printf(out,"Certificate will expire\n");
998                         ret=1;
999                         }
1000                 else
1001                         {
1002                         BIO_printf(out,"Certificate will not expire\n");
1003                         ret=0;
1004                         }
1005                 goto end;
1006                 }
1007
1008         if (noout)
1009                 {
1010                 ret=0;
1011                 goto end;
1012                 }
1013
1014         if      (outformat == FORMAT_ASN1)
1015                 i=i2d_X509_bio(out,x);
1016         else if (outformat == FORMAT_PEM)
1017                 {
1018                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1019                 else i=PEM_write_bio_X509(out,x);
1020                 }
1021         else if (outformat == FORMAT_NETSCAPE)
1022                 {
1023                 NETSCAPE_X509 nx;
1024                 ASN1_OCTET_STRING hdr;
1025
1026                 hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
1027                 hdr.length=strlen(NETSCAPE_CERT_HDR);
1028                 nx.header= &hdr;
1029                 nx.cert=x;
1030
1031                 i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
1032                 }
1033         else    {
1034                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1035                 goto end;
1036                 }
1037         if (!i)
1038                 {
1039                 BIO_printf(bio_err,"unable to write certificate\n");
1040                 ERR_print_errors(bio_err);
1041                 goto end;
1042                 }
1043         ret=0;
1044 end:
1045         if (need_rand)
1046                 app_RAND_write_file(NULL, bio_err);
1047         OBJ_cleanup();
1048         NCONF_free(extconf);
1049         BIO_free_all(out);
1050         BIO_free_all(STDout);
1051         X509_STORE_free(ctx);
1052         X509_REQ_free(req);
1053         X509_free(x);
1054         X509_free(xca);
1055         EVP_PKEY_free(Upkey);
1056         EVP_PKEY_free(CApkey);
1057         X509_REQ_free(rq);
1058         ASN1_INTEGER_free(sno);
1059         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1060         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1061         if (passin) OPENSSL_free(passin);
1062         apps_shutdown();
1063         OPENSSL_EXIT(ret);
1064         }
1065
1066 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1067         {
1068         char *buf = NULL, *p;
1069         ASN1_INTEGER *bs = NULL;
1070         BIGNUM *serial = NULL;
1071         size_t len;
1072
1073         len = ((serialfile == NULL)
1074                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1075                 :(strlen(serialfile)))+1;
1076         buf=OPENSSL_malloc(len);
1077         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1078         if (serialfile == NULL)
1079                 {
1080                 BUF_strlcpy(buf,CAfile,len);
1081                 for (p=buf; *p; p++)
1082                         if (*p == '.')
1083                                 {
1084                                 *p='\0';
1085                                 break;
1086                                 }
1087                 BUF_strlcat(buf,POSTFIX,len);
1088                 }
1089         else
1090                 BUF_strlcpy(buf,serialfile,len);
1091
1092         serial = load_serial(buf, create, NULL);
1093         if (serial == NULL) goto end;
1094
1095         if (!BN_add_word(serial,1))
1096                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1097
1098         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1099
1100  end:
1101         if (buf) OPENSSL_free(buf);
1102         BN_free(serial);
1103         return bs;
1104         }
1105
1106 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1107              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1108              int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1109         {
1110         int ret=0;
1111         ASN1_INTEGER *bs=NULL;
1112         X509_STORE_CTX xsc;
1113         EVP_PKEY *upkey;
1114
1115         upkey = X509_get_pubkey(xca);
1116         EVP_PKEY_copy_parameters(upkey,pkey);
1117         EVP_PKEY_free(upkey);
1118
1119         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1120                 {
1121                 BIO_printf(bio_err,"Error initialising X509 store\n");
1122                 goto end;
1123                 }
1124         if (sno) bs = sno;
1125         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1126                 goto end;
1127
1128 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1129
1130         /* NOTE: this certificate can/should be self signed, unless it was
1131          * a certificate request in which case it is not. */
1132         X509_STORE_CTX_set_cert(&xsc,x);
1133         X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1134         if (!reqfile && X509_verify_cert(&xsc) <= 0)
1135                 goto end;
1136
1137         if (!X509_check_private_key(xca,pkey))
1138                 {
1139                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1140                 goto end;
1141                 }
1142
1143         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1144         if (!X509_set_serialNumber(x,bs)) goto end;
1145
1146         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1147                 goto end;
1148
1149         /* hardwired expired */
1150         if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)
1151                 goto end;
1152
1153         if (clrext)
1154                 {
1155                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1156                 }
1157
1158         if (conf)
1159                 {
1160                 X509V3_CTX ctx2;
1161                 X509_set_version(x,2); /* version 3 certificate */
1162                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1163                 X509V3_set_nconf(&ctx2, conf);
1164                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1165                 }
1166
1167         if (!X509_sign(x,pkey,digest)) goto end;
1168         ret=1;
1169 end:
1170         X509_STORE_CTX_cleanup(&xsc);
1171         if (!ret)
1172                 ERR_print_errors(bio_err);
1173         if (!sno) ASN1_INTEGER_free(bs);
1174         return ret;
1175         }
1176
1177 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1178         {
1179         int err;
1180         X509 *err_cert;
1181
1182         /* it is ok to use a self signed certificate
1183          * This case will catch both the initial ok == 0 and the
1184          * final ok == 1 calls to this function */
1185         err=X509_STORE_CTX_get_error(ctx);
1186         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1187                 return 1;
1188
1189         /* BAD we should have gotten an error.  Normally if everything
1190          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1191          * DEPTH_ZERO_SELF_.... */
1192         if (ok)
1193                 {
1194                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1195                 return 0;
1196                 }
1197         else
1198                 {
1199                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1200                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1201                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1202                         err,X509_STORE_CTX_get_error_depth(ctx),
1203                         X509_verify_cert_error_string(err));
1204                 return 1;
1205                 }
1206         }
1207
1208 /* self sign */
1209 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1210                                                 CONF *conf, char *section)
1211         {
1212
1213         EVP_PKEY *pktmp;
1214
1215         pktmp = X509_get_pubkey(x);
1216         EVP_PKEY_copy_parameters(pktmp,pkey);
1217         EVP_PKEY_save_parameters(pktmp,1);
1218         EVP_PKEY_free(pktmp);
1219
1220         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1221         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1222
1223         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1224         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1225         /* 28 days to be certified */
1226
1227         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1228                 goto err;
1229
1230         if (!X509_set_pubkey(x,pkey)) goto err;
1231         if (clrext)
1232                 {
1233                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1234                 }
1235         if (conf)
1236                 {
1237                 X509V3_CTX ctx;
1238                 X509_set_version(x,2); /* version 3 certificate */
1239                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1240                 X509V3_set_nconf(&ctx, conf);
1241                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1242                 }
1243         if (!X509_sign(x,pkey,digest)) goto err;
1244         return 1;
1245 err:
1246         ERR_print_errors(bio_err);
1247         return 0;
1248         }
1249
1250 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1251 {
1252         int id, i, idret;
1253         char *pname;
1254         id = X509_PURPOSE_get_id(pt);
1255         pname = X509_PURPOSE_get0_name(pt);
1256         for (i = 0; i < 2; i++)
1257                 {
1258                 idret = X509_check_purpose(cert, id, i);
1259                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1260                 if (idret == 1) BIO_printf(bio, "Yes\n");
1261                 else if (idret == 0) BIO_printf(bio, "No\n");
1262                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1263                 }
1264         return 1;
1265 }