39fbb659715784c39920c60e537421cbaba7dba5
[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 NO_STDIO
64 #define APPS_WIN16
65 #endif
66 #include "apps.h"
67 #include <openssl/bio.h>
68 #include <openssl/asn1.h>
69 #include <openssl/err.h>
70 #include <openssl/bn.h>
71 #include <openssl/evp.h>
72 #include <openssl/x509.h>
73 #include <openssl/x509v3.h>
74 #include <openssl/objects.h>
75 #include <openssl/pem.h>
76
77 #undef PROG
78 #define PROG x509_main
79
80 #undef POSTFIX
81 #define POSTFIX ".srl"
82 #define DEF_DAYS        30
83
84 static char *x509_usage[]={
85 "usage: x509 args\n",
86 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
87 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
88 " -keyform arg    - private key format - default PEM\n",
89 " -CAform arg     - CA format - default PEM\n",
90 " -CAkeyform arg  - CA key format - default PEM\n",
91 " -in arg         - input file - default stdin\n",
92 " -out arg        - output file - default stdout\n",
93 " -passin arg     - private key password source\n",
94 " -serial         - print serial number value\n",
95 " -hash           - print hash value\n",
96 " -subject        - print subject DN\n",
97 " -issuer         - print issuer DN\n",
98 " -email          - print email address(es)\n",
99 " -startdate      - notBefore field\n",
100 " -enddate        - notAfter field\n",
101 " -purpose        - print out certificate purposes\n",
102 " -dates          - both Before and After dates\n",
103 " -modulus        - print the RSA key modulus\n",
104 " -pubkey         - output the public key\n",
105 " -fingerprint    - print the certificate fingerprint\n",
106 " -alias          - output certificate alias\n",
107 " -noout          - no certificate output\n",
108 " -trustout       - output a \"trusted\" certificate\n",
109 " -clrtrust       - clear all trusted purposes\n",
110 " -clrreject      - clear all rejected purposes\n",
111 " -addtrust arg   - trust certificate for a given purpose\n",
112 " -addreject arg  - reject certificate for a given purpose\n",
113 " -setalias arg   - set certificate alias\n",
114 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
115 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
116 "                   exit 1 if so, 0 if not\n",
117 " -signkey arg    - self sign cert with arg\n",
118 " -x509toreq      - output a certification request object\n",
119 " -req            - input is a certificate request, sign and output.\n",
120 " -CA arg         - set the CA certificate, must be PEM format.\n",
121 " -CAkey arg      - set the CA key, must be PEM format\n",
122 "                   missing, it is assumed to be in the CA file.\n",
123 " -CAcreateserial - create serial number file if it does not exist\n",
124 " -CAserial       - serial file\n",
125 " -text           - print the certificate in text form\n",
126 " -C              - print out C code forms\n",
127 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
128 " -extfile        - configuration file with X509V3 extensions to add\n",
129 " -extensions     - section from config file with X509V3 extensions to add\n",
130 " -clrext         - delete extensions before signing and input certificate\n",
131 NULL
132 };
133
134 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
135 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
136                                                 LHASH *conf, char *section);
137 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
138                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
139                          int create,int days, int clrext, LHASH *conf, char *section);
140 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
141 static int reqfile=0;
142
143 int MAIN(int, char **);
144
145 int MAIN(int argc, char **argv)
146         {
147         int ret=1;
148         X509_REQ *req=NULL;
149         X509 *x=NULL,*xca=NULL;
150         ASN1_OBJECT *objtmp;
151         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
152         int i,num,badops=0;
153         BIO *out=NULL;
154         BIO *STDout=NULL;
155         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
156         int informat,outformat,keyformat,CAformat,CAkeyformat;
157         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
158         char *CAkeyfile=NULL,*CAserial=NULL;
159         char *alias=NULL;
160         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
161         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
162         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
163         int C=0;
164         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
165         int pprint = 0;
166         char **pp;
167         X509_STORE *ctx=NULL;
168         X509_REQ *rq=NULL;
169         int fingerprint=0;
170         char buf[256];
171         const EVP_MD *md_alg,*digest=EVP_md5();
172         LHASH *extconf = NULL;
173         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
174         int need_rand = 0;
175         int checkend=0,checkoffset=0;
176
177         reqfile=0;
178
179         apps_startup();
180
181         if (bio_err == NULL)
182                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
183         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
184
185         informat=FORMAT_PEM;
186         outformat=FORMAT_PEM;
187         keyformat=FORMAT_PEM;
188         CAformat=FORMAT_PEM;
189         CAkeyformat=FORMAT_PEM;
190
191         ctx=X509_STORE_new();
192         if (ctx == NULL) goto end;
193         X509_STORE_set_verify_cb_func(ctx,callb);
194
195         argc--;
196         argv++;
197         num=0;
198         while (argc >= 1)
199                 {
200                 if      (strcmp(*argv,"-inform") == 0)
201                         {
202                         if (--argc < 1) goto bad;
203                         informat=str2fmt(*(++argv));
204                         }
205                 else if (strcmp(*argv,"-outform") == 0)
206                         {
207                         if (--argc < 1) goto bad;
208                         outformat=str2fmt(*(++argv));
209                         }
210                 else if (strcmp(*argv,"-keyform") == 0)
211                         {
212                         if (--argc < 1) goto bad;
213                         keyformat=str2fmt(*(++argv));
214                         }
215                 else if (strcmp(*argv,"-req") == 0)
216                         {
217                         reqfile=1;
218                         need_rand = 1;
219                         }
220                 else if (strcmp(*argv,"-CAform") == 0)
221                         {
222                         if (--argc < 1) goto bad;
223                         CAformat=str2fmt(*(++argv));
224                         }
225                 else if (strcmp(*argv,"-CAkeyform") == 0)
226                         {
227                         if (--argc < 1) goto bad;
228                         CAformat=str2fmt(*(++argv));
229                         }
230                 else if (strcmp(*argv,"-days") == 0)
231                         {
232                         if (--argc < 1) goto bad;
233                         days=atoi(*(++argv));
234                         if (days == 0)
235                                 {
236                                 BIO_printf(STDout,"bad number of days\n");
237                                 goto bad;
238                                 }
239                         }
240                 else if (strcmp(*argv,"-passin") == 0)
241                         {
242                         if (--argc < 1) goto bad;
243                         passargin= *(++argv);
244                         }
245                 else if (strcmp(*argv,"-extfile") == 0)
246                         {
247                         if (--argc < 1) goto bad;
248                         extfile= *(++argv);
249                         }
250                 else if (strcmp(*argv,"-extensions") == 0)
251                         {
252                         if (--argc < 1) goto bad;
253                         extsect= *(++argv);
254                         }
255                 else if (strcmp(*argv,"-in") == 0)
256                         {
257                         if (--argc < 1) goto bad;
258                         infile= *(++argv);
259                         }
260                 else if (strcmp(*argv,"-out") == 0)
261                         {
262                         if (--argc < 1) goto bad;
263                         outfile= *(++argv);
264                         }
265                 else if (strcmp(*argv,"-signkey") == 0)
266                         {
267                         if (--argc < 1) goto bad;
268                         keyfile= *(++argv);
269                         sign_flag= ++num;
270                         need_rand = 1;
271                         }
272                 else if (strcmp(*argv,"-CA") == 0)
273                         {
274                         if (--argc < 1) goto bad;
275                         CAfile= *(++argv);
276                         CA_flag= ++num;
277                         need_rand = 1;
278                         }
279                 else if (strcmp(*argv,"-CAkey") == 0)
280                         {
281                         if (--argc < 1) goto bad;
282                         CAkeyfile= *(++argv);
283                         }
284                 else if (strcmp(*argv,"-CAserial") == 0)
285                         {
286                         if (--argc < 1) goto bad;
287                         CAserial= *(++argv);
288                         }
289                 else if (strcmp(*argv,"-addtrust") == 0)
290                         {
291                         if (--argc < 1) goto bad;
292                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
293                                 BIO_printf(bio_err,
294                                         "Invalid trust object value %s\n", *argv);
295                                 goto bad;
296                         }
297                         if(!trust) trust = sk_ASN1_OBJECT_new_null();
298                         sk_ASN1_OBJECT_push(trust, objtmp);
299                         trustout = 1;
300                         }
301                 else if (strcmp(*argv,"-addreject") == 0)
302                         {
303                         if (--argc < 1) goto bad;
304                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
305                                 BIO_printf(bio_err,
306                                         "Invalid reject object value %s\n", *argv);
307                                 goto bad;
308                         }
309                         if(!reject) reject = sk_ASN1_OBJECT_new_null();
310                         sk_ASN1_OBJECT_push(reject, objtmp);
311                         trustout = 1;
312                         }
313                 else if (strcmp(*argv,"-setalias") == 0)
314                         {
315                         if (--argc < 1) goto bad;
316                         alias= *(++argv);
317                         trustout = 1;
318                         }
319                 else if (strcmp(*argv,"-setalias") == 0)
320                         {
321                         if (--argc < 1) goto bad;
322                         alias= *(++argv);
323                         trustout = 1;
324                         }
325                 else if (strcmp(*argv,"-C") == 0)
326                         C= ++num;
327                 else if (strcmp(*argv,"-email") == 0)
328                         email= ++num;
329                 else if (strcmp(*argv,"-serial") == 0)
330                         serial= ++num;
331                 else if (strcmp(*argv,"-modulus") == 0)
332                         modulus= ++num;
333                 else if (strcmp(*argv,"-pubkey") == 0)
334                         pubkey= ++num;
335                 else if (strcmp(*argv,"-x509toreq") == 0)
336                         x509req= ++num;
337                 else if (strcmp(*argv,"-text") == 0)
338                         text= ++num;
339                 else if (strcmp(*argv,"-hash") == 0)
340                         hash= ++num;
341                 else if (strcmp(*argv,"-subject") == 0)
342                         subject= ++num;
343                 else if (strcmp(*argv,"-issuer") == 0)
344                         issuer= ++num;
345                 else if (strcmp(*argv,"-fingerprint") == 0)
346                         fingerprint= ++num;
347                 else if (strcmp(*argv,"-dates") == 0)
348                         {
349                         startdate= ++num;
350                         enddate= ++num;
351                         }
352                 else if (strcmp(*argv,"-purpose") == 0)
353                         pprint= ++num;
354                 else if (strcmp(*argv,"-startdate") == 0)
355                         startdate= ++num;
356                 else if (strcmp(*argv,"-enddate") == 0)
357                         enddate= ++num;
358                 else if (strcmp(*argv,"-checkend") == 0)
359                         {
360                         if (--argc < 1) goto bad;
361                         checkoffset=atoi(*(++argv));
362                         checkend=1;
363                         }
364                 else if (strcmp(*argv,"-noout") == 0)
365                         noout= ++num;
366                 else if (strcmp(*argv,"-trustout") == 0)
367                         trustout= 1;
368                 else if (strcmp(*argv,"-clrtrust") == 0)
369                         clrtrust= ++num;
370                 else if (strcmp(*argv,"-clrreject") == 0)
371                         clrreject= ++num;
372                 else if (strcmp(*argv,"-alias") == 0)
373                         aliasout= ++num;
374                 else if (strcmp(*argv,"-CAcreateserial") == 0)
375                         CA_createserial= ++num;
376                 else if (strcmp(*argv,"-clrext") == 0)
377                         clrext = 1;
378 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
379                 else if (strcmp(*argv,"-crlext") == 0)
380                         {
381                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
382                         clrext = 1;
383                         }
384 #endif
385                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
386                         {
387                         /* ok */
388                         digest=md_alg;
389                         }
390                 else
391                         {
392                         BIO_printf(bio_err,"unknown option %s\n",*argv);
393                         badops=1;
394                         break;
395                         }
396                 argc--;
397                 argv++;
398                 }
399
400         if (badops)
401                 {
402 bad:
403                 for (pp=x509_usage; (*pp != NULL); pp++)
404                         BIO_printf(bio_err,*pp);
405                 goto end;
406                 }
407
408         if (need_rand)
409                 app_RAND_load_file(NULL, bio_err, 0);
410
411         ERR_load_crypto_strings();
412
413         if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
414                 BIO_printf(bio_err, "Error getting password\n");
415                 goto end;
416         }
417
418         if (!X509_STORE_set_default_paths(ctx))
419                 {
420                 ERR_print_errors(bio_err);
421                 goto end;
422                 }
423
424         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
425                 { CAkeyfile=CAfile; }
426         else if ((CA_flag) && (CAkeyfile == NULL))
427                 {
428                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
429                 goto end;
430                 }
431
432         if (extfile) {
433                 long errorline;
434                 X509V3_CTX ctx2;
435                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
436                         if (errorline <= 0)
437                                 BIO_printf(bio_err,
438                                         "error loading the config file '%s'\n",
439                                                                 extfile);
440                         else
441                                 BIO_printf(bio_err,
442                                        "error on line %ld of config file '%s'\n"
443                                                         ,errorline,extfile);
444                         goto end;
445                 }
446                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
447                                          "extensions"))) extsect = "default";
448                 X509V3_set_ctx_test(&ctx2);
449                 X509V3_set_conf_lhash(&ctx2, extconf);
450                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
451                         BIO_printf(bio_err,
452                                 "Error Loading extension section %s\n",
453                                                                  extsect);
454                         ERR_print_errors(bio_err);
455                         goto end;
456                 }
457         } 
458
459
460         if (reqfile)
461                 {
462                 EVP_PKEY *pkey;
463                 X509_CINF *ci;
464                 BIO *in;
465
466                 if (!sign_flag && !CA_flag)
467                         {
468                         BIO_printf(bio_err,"We need a private key to sign with\n");
469                         goto end;
470                         }
471                 in=BIO_new(BIO_s_file());
472                 if (in == NULL)
473                         {
474                         ERR_print_errors(bio_err);
475                         goto end;
476                         }
477
478                 if (infile == NULL)
479                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
480                 else
481                         {
482                         if (BIO_read_filename(in,infile) <= 0)
483                                 {
484                                 perror(infile);
485                                 BIO_free(in);
486                                 goto end;
487                                 }
488                         }
489                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
490                 BIO_free(in);
491
492                 if (req == NULL)
493                         {
494                         ERR_print_errors(bio_err);
495                         goto end;
496                         }
497
498                 if (    (req->req_info == NULL) ||
499                         (req->req_info->pubkey == NULL) ||
500                         (req->req_info->pubkey->public_key == NULL) ||
501                         (req->req_info->pubkey->public_key->data == NULL))
502                         {
503                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
504                         BIO_printf(bio_err,"It does not contain a public key\n");
505                         goto end;
506                         }
507                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
508                         {
509                         BIO_printf(bio_err,"error unpacking public key\n");
510                         goto end;
511                         }
512                 i=X509_REQ_verify(req,pkey);
513                 EVP_PKEY_free(pkey);
514                 if (i < 0)
515                         {
516                         BIO_printf(bio_err,"Signature verification error\n");
517                         ERR_print_errors(bio_err);
518                         goto end;
519                         }
520                 if (i == 0)
521                         {
522                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
523                         goto end;
524                         }
525                 else
526                         BIO_printf(bio_err,"Signature ok\n");
527                 
528                 X509_NAME_oneline(req->req_info->subject,buf,256);
529                 BIO_printf(bio_err,"subject=%s\n",buf);
530
531                 if ((x=X509_new()) == NULL) goto end;
532                 ci=x->cert_info;
533
534                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
535                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
536                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
537
538                 X509_gmtime_adj(X509_get_notBefore(x),0);
539                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
540
541                 pkey = X509_REQ_get_pubkey(req);
542                 X509_set_pubkey(x,pkey);
543                 EVP_PKEY_free(pkey);
544                 }
545         else
546                 x=load_cert(bio_err,infile,informat);
547
548         if (x == NULL) goto end;
549         if (CA_flag)
550                 {
551                 xca=load_cert(bio_err,CAfile,CAformat);
552                 if (xca == NULL) goto end;
553                 }
554
555         if (!noout || text)
556                 {
557                 OBJ_create("2.99999.3",
558                         "SET.ex3","SET x509v3 extension 3");
559
560                 out=BIO_new(BIO_s_file());
561                 if (out == NULL)
562                         {
563                         ERR_print_errors(bio_err);
564                         goto end;
565                         }
566                 if (outfile == NULL)
567                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
568                 else
569                         {
570                         if (BIO_write_filename(out,outfile) <= 0)
571                                 {
572                                 perror(outfile);
573                                 goto end;
574                                 }
575                         }
576                 }
577
578         if(alias) X509_alias_set1(x, (unsigned char *)alias, -1);
579
580         if(clrtrust) X509_trust_clear(x);
581         if(clrreject) X509_reject_clear(x);
582
583         if(trust) {
584                 for(i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
585                         objtmp = sk_ASN1_OBJECT_value(trust, i);
586                         X509_add1_trust_object(x, objtmp);
587                 }
588         }
589
590         if(reject) {
591                 for(i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
592                         objtmp = sk_ASN1_OBJECT_value(reject, i);
593                         X509_add1_reject_object(x, objtmp);
594                 }
595         }
596
597         if (num)
598                 {
599                 for (i=1; i<=num; i++)
600                         {
601                         if (issuer == i)
602                                 {
603                                 X509_NAME_oneline(X509_get_issuer_name(x),
604                                         buf,256);
605                                 BIO_printf(STDout,"issuer= %s\n",buf);
606                                 }
607                         else if (subject == i) 
608                                 {
609                                 X509_NAME_oneline(X509_get_subject_name(x),
610                                         buf,256);
611                                 BIO_printf(STDout,"subject=%s\n",buf);
612                                 }
613                         else if (serial == i)
614                                 {
615                                 BIO_printf(STDout,"serial=");
616                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
617                                 BIO_printf(STDout,"\n");
618                                 }
619                         else if (email == i) 
620                                 {
621                                 int j;
622                                 STACK *emlst;
623                                 emlst = X509_get1_email(x);
624                                 for(j = 0; j < sk_num(emlst); j++)
625                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
626                                 X509_email_free(emlst);
627                                 }
628                         else if (aliasout == i)
629                                 {
630                                 unsigned char *alstr;
631                                 alstr = X509_alias_get0(x, NULL);
632                                 if(alstr) BIO_printf(STDout,"%s\n", alstr);
633                                 else BIO_puts(STDout,"<No Alias>\n");
634                                 }
635                         else if (hash == i)
636                                 {
637                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
638                                 }
639                         else if (pprint == i)
640                                 {
641                                 X509_PURPOSE *ptmp;
642                                 int j;
643                                 BIO_printf(STDout, "Certificate purposes:\n");
644                                 for(j = 0; j < X509_PURPOSE_get_count(); j++)
645                                         {
646                                         ptmp = X509_PURPOSE_get0(j);
647                                         purpose_print(STDout, x, ptmp);
648                                         }
649                                 }
650                         else
651                                 if (modulus == i)
652                                 {
653                                 EVP_PKEY *pkey;
654
655                                 pkey=X509_get_pubkey(x);
656                                 if (pkey == NULL)
657                                         {
658                                         BIO_printf(bio_err,"Modulus=unavailable\n");
659                                         ERR_print_errors(bio_err);
660                                         goto end;
661                                         }
662                                 BIO_printf(STDout,"Modulus=");
663 #ifndef NO_RSA
664                                 if (pkey->type == EVP_PKEY_RSA)
665                                         BN_print(STDout,pkey->pkey.rsa->n);
666                                 else
667 #endif
668 #ifndef NO_DSA
669                                 if (pkey->type == EVP_PKEY_DSA)
670                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
671                                 else
672 #endif
673                                         BIO_printf(STDout,"Wrong Algorithm type");
674                                 BIO_printf(STDout,"\n");
675                                 EVP_PKEY_free(pkey);
676                                 }
677                         else
678                                 if (pubkey == i)
679                                 {
680                                 EVP_PKEY *pkey;
681
682                                 pkey=X509_get_pubkey(x);
683                                 if (pkey == NULL)
684                                         {
685                                         BIO_printf(bio_err,"Error getting public key\n");
686                                         ERR_print_errors(bio_err);
687                                         goto end;
688                                         }
689                                 PEM_write_bio_PUBKEY(STDout, pkey);
690                                 EVP_PKEY_free(pkey);
691                                 }
692                         else
693                                 if (C == i)
694                                 {
695                                 unsigned char *d;
696                                 char *m;
697                                 int y,z;
698
699                                 X509_NAME_oneline(X509_get_subject_name(x),
700                                         buf,256);
701                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
702                                 m=X509_NAME_oneline(
703                                         X509_get_issuer_name(x),buf,256);
704                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
705
706                                 z=i2d_X509(x,NULL);
707                                 m=OPENSSL_malloc(z);
708
709                                 d=(unsigned char *)m;
710                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
711                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
712                                 d=(unsigned char *)m;
713                                 for (y=0; y<z; y++)
714                                         {
715                                         BIO_printf(STDout,"0x%02X,",d[y]);
716                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
717                                         }
718                                 if (y%16 != 0) BIO_printf(STDout,"\n");
719                                 BIO_printf(STDout,"};\n");
720
721                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
722                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
723                                 d=(unsigned char *)m;
724                                 for (y=0; y<z; y++)
725                                         {
726                                         BIO_printf(STDout,"0x%02X,",d[y]);
727                                         if ((y & 0x0f) == 0x0f)
728                                                 BIO_printf(STDout,"\n");
729                                         }
730                                 if (y%16 != 0) BIO_printf(STDout,"\n");
731                                 BIO_printf(STDout,"};\n");
732
733                                 z=i2d_X509(x,&d);
734                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
735                                 d=(unsigned char *)m;
736                                 for (y=0; y<z; y++)
737                                         {
738                                         BIO_printf(STDout,"0x%02X,",d[y]);
739                                         if ((y & 0x0f) == 0x0f)
740                                                 BIO_printf(STDout,"\n");
741                                         }
742                                 if (y%16 != 0) BIO_printf(STDout,"\n");
743                                 BIO_printf(STDout,"};\n");
744
745                                 OPENSSL_free(m);
746                                 }
747                         else if (text == i)
748                                 {
749                                 X509_print(out,x);
750                                 }
751                         else if (startdate == i)
752                                 {
753                                 BIO_puts(STDout,"notBefore=");
754                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
755                                 BIO_puts(STDout,"\n");
756                                 }
757                         else if (enddate == i)
758                                 {
759                                 BIO_puts(STDout,"notAfter=");
760                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
761                                 BIO_puts(STDout,"\n");
762                                 }
763                         else if (fingerprint == i)
764                                 {
765                                 int j;
766                                 unsigned int n;
767                                 unsigned char md[EVP_MAX_MD_SIZE];
768
769                                 if (!X509_digest(x,digest,md,&n))
770                                         {
771                                         BIO_printf(bio_err,"out of memory\n");
772                                         goto end;
773                                         }
774                                 BIO_printf(STDout,"%s Fingerprint=",
775                                                 OBJ_nid2sn(EVP_MD_type(digest)));
776                                 for (j=0; j<(int)n; j++)
777                                         {
778                                         BIO_printf(STDout,"%02X%c",md[j],
779                                                 (j+1 == (int)n)
780                                                 ?'\n':':');
781                                         }
782                                 }
783
784                         /* should be in the library */
785                         else if ((sign_flag == i) && (x509req == 0))
786                                 {
787                                 BIO_printf(bio_err,"Getting Private key\n");
788                                 if (Upkey == NULL)
789                                         {
790                                         Upkey=load_key(bio_err,
791                                                 keyfile,keyformat, passin);
792                                         if (Upkey == NULL) goto end;
793                                         }
794 #ifndef NO_DSA
795                                 if (Upkey->type == EVP_PKEY_DSA)
796                                         digest=EVP_dss1();
797 #endif
798
799                                 assert(need_rand);
800                                 if (!sign(x,Upkey,days,clrext,digest,
801                                                  extconf, extsect)) goto end;
802                                 }
803                         else if (CA_flag == i)
804                                 {
805                                 BIO_printf(bio_err,"Getting CA Private Key\n");
806                                 if (CAkeyfile != NULL)
807                                         {
808                                         CApkey=load_key(bio_err,
809                                                 CAkeyfile,CAkeyformat, passin);
810                                         if (CApkey == NULL) goto end;
811                                         }
812 #ifndef NO_DSA
813                                 if (CApkey->type == EVP_PKEY_DSA)
814                                         digest=EVP_dss1();
815 #endif
816                                 
817                                 assert(need_rand);
818                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
819                                         CApkey, CAserial,CA_createserial,days, clrext,
820                                         extconf, extsect))
821                                         goto end;
822                                 }
823                         else if (x509req == i)
824                                 {
825                                 EVP_PKEY *pk;
826
827                                 BIO_printf(bio_err,"Getting request Private Key\n");
828                                 if (keyfile == NULL)
829                                         {
830                                         BIO_printf(bio_err,"no request key file specified\n");
831                                         goto end;
832                                         }
833                                 else
834                                         {
835                                         pk=load_key(bio_err,
836                                                 keyfile,FORMAT_PEM, passin);
837                                         if (pk == NULL) goto end;
838                                         }
839
840                                 BIO_printf(bio_err,"Generating certificate request\n");
841
842                                 if (pk->type == EVP_PKEY_DSA)
843                                         digest=EVP_dss1();
844
845                                 rq=X509_to_X509_REQ(x,pk,digest);
846                                 EVP_PKEY_free(pk);
847                                 if (rq == NULL)
848                                         {
849                                         ERR_print_errors(bio_err);
850                                         goto end;
851                                         }
852                                 if (!noout)
853                                         {
854                                         X509_REQ_print(out,rq);
855                                         PEM_write_bio_X509_REQ(out,rq);
856                                         }
857                                 noout=1;
858                                 }
859                         }
860                 }
861
862         if(checkend)
863                 {
864                 time_t t=ASN1_UTCTIME_get(X509_get_notAfter(x));
865                 time_t tnow=time(NULL);
866
867                 if(tnow+checkoffset > t)
868                         {
869                         BIO_printf(out,"Certificate will expire\n");
870                         ret=1;
871                         }
872                 else
873                         {
874                         BIO_printf(out,"Certificate will not expire\n");
875                         ret=0;
876                         }
877                 goto end;
878                 }
879
880         if (noout)
881                 {
882                 ret=0;
883                 goto end;
884                 }
885
886         if      (outformat == FORMAT_ASN1)
887                 i=i2d_X509_bio(out,x);
888         else if (outformat == FORMAT_PEM) {
889                 if(trustout) i=PEM_write_bio_X509_AUX(out,x);
890                 else i=PEM_write_bio_X509(out,x);
891         } else if (outformat == FORMAT_NETSCAPE)
892                 {
893                 ASN1_HEADER ah;
894                 ASN1_OCTET_STRING os;
895
896                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
897                 os.length=strlen(NETSCAPE_CERT_HDR);
898                 ah.header= &os;
899                 ah.data=(char *)x;
900                 ah.meth=X509_asn1_meth();
901
902                 /* no macro for this one yet */
903                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
904                 }
905         else    {
906                 BIO_printf(bio_err,"bad output format specified for outfile\n");
907                 goto end;
908                 }
909         if (!i) {
910                 BIO_printf(bio_err,"unable to write certificate\n");
911                 ERR_print_errors(bio_err);
912                 goto end;
913                 }
914         ret=0;
915 end:
916         if (need_rand)
917                 app_RAND_write_file(NULL, bio_err);
918         OBJ_cleanup();
919         CONF_free(extconf);
920         BIO_free(out);
921         BIO_free(STDout);
922         X509_STORE_free(ctx);
923         X509_REQ_free(req);
924         X509_free(x);
925         X509_free(xca);
926         EVP_PKEY_free(Upkey);
927         EVP_PKEY_free(CApkey);
928         X509_REQ_free(rq);
929         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
930         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
931         if(passin) OPENSSL_free(passin);
932         EXIT(ret);
933         }
934
935 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
936              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
937              int days, int clrext, LHASH *conf, char *section)
938         {
939         int ret=0;
940         BIO *io=NULL;
941         MS_STATIC char buf2[1024];
942         char *buf=NULL,*p;
943         BIGNUM *serial=NULL;
944         ASN1_INTEGER *bs=NULL,bs2;
945         X509_STORE_CTX xsc;
946         EVP_PKEY *upkey;
947
948         upkey = X509_get_pubkey(xca);
949         EVP_PKEY_copy_parameters(upkey,pkey);
950         EVP_PKEY_free(upkey);
951
952         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
953         buf=OPENSSL_malloc(EVP_PKEY_size(pkey)*2+
954                 ((serialfile == NULL)
955                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
956                         :(strlen(serialfile)))+1);
957         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
958         if (serialfile == NULL)
959                 {
960                 strcpy(buf,CAfile);
961                 for (p=buf; *p; p++)
962                         if (*p == '.')
963                                 {
964                                 *p='\0';
965                                 break;
966                                 }
967                 strcat(buf,POSTFIX);
968                 }
969         else
970                 strcpy(buf,serialfile);
971         serial=BN_new();
972         bs=ASN1_INTEGER_new();
973         if ((serial == NULL) || (bs == NULL))
974                 {
975                 ERR_print_errors(bio_err);
976                 goto end;
977                 }
978
979         io=BIO_new(BIO_s_file());
980         if (io == NULL)
981                 {
982                 ERR_print_errors(bio_err);
983                 goto end;
984                 }
985         
986         if (BIO_read_filename(io,buf) <= 0)
987                 {
988                 if (!create)
989                         {
990                         perror(buf);
991                         goto end;
992                         }
993                 else
994                         {
995                         ASN1_INTEGER_set(bs,1);
996                         BN_one(serial);
997                         }
998                 }
999         else 
1000                 {
1001                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
1002                         {
1003                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
1004                         ERR_print_errors(bio_err);
1005                         goto end;
1006                         }
1007                 else
1008                         {
1009                         serial=BN_bin2bn(bs->data,bs->length,serial);
1010                         if (serial == NULL)
1011                                 {
1012                                 BIO_printf(bio_err,"error converting bin 2 bn");
1013                                 goto end;
1014                                 }
1015                         }
1016                 }
1017
1018         if (!BN_add_word(serial,1))
1019                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1020         bs2.data=(unsigned char *)buf2;
1021         bs2.length=BN_bn2bin(serial,bs2.data);
1022
1023         if (BIO_write_filename(io,buf) <= 0)
1024                 {
1025                 BIO_printf(bio_err,"error attempting to write serial number file\n");
1026                 perror(buf);
1027                 goto end;
1028                 }
1029         i2a_ASN1_INTEGER(io,&bs2);
1030         BIO_puts(io,"\n");
1031         BIO_free(io);
1032         io=NULL;
1033         
1034         if (!X509_STORE_add_cert(ctx,x)) goto end;
1035
1036         /* NOTE: this certificate can/should be self signed, unless it was
1037          * a certificate request in which case it is not. */
1038         X509_STORE_CTX_set_cert(&xsc,x);
1039         if (!reqfile && !X509_verify_cert(&xsc))
1040                 goto end;
1041
1042         if (!X509_check_private_key(xca,pkey))
1043                 {
1044                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1045                 goto end;
1046                 }
1047
1048         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1049         if (!X509_set_serialNumber(x,bs)) goto end;
1050
1051         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1052                 goto end;
1053
1054         /* hardwired expired */
1055         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1056                 goto end;
1057
1058         if(clrext) {
1059                 while(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1060         }
1061
1062         if(conf) {
1063                 X509V3_CTX ctx2;
1064                 X509_set_version(x,2); /* version 3 certificate */
1065                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1066                 X509V3_set_conf_lhash(&ctx2, conf);
1067                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1068         }
1069
1070         if (!X509_sign(x,pkey,digest)) goto end;
1071         ret=1;
1072 end:
1073         X509_STORE_CTX_cleanup(&xsc);
1074         if (!ret)
1075                 ERR_print_errors(bio_err);
1076         if (buf != NULL) OPENSSL_free(buf);
1077         if (bs != NULL) ASN1_INTEGER_free(bs);
1078         if (io != NULL) BIO_free(io);
1079         if (serial != NULL) BN_free(serial);
1080         return(ret);
1081         }
1082
1083 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1084         {
1085         char buf[256];
1086         int err;
1087         X509 *err_cert;
1088
1089         /* it is ok to use a self signed certificate
1090          * This case will catch both the initial ok == 0 and the
1091          * final ok == 1 calls to this function */
1092         err=X509_STORE_CTX_get_error(ctx);
1093         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1094                 return(1);
1095
1096         /* BAD we should have gotten an error.  Normally if everything
1097          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1098          * DEPTH_ZERO_SELF_.... */
1099         if (ok)
1100                 {
1101                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1102                 return(0);
1103                 }
1104         else
1105                 {
1106                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1107                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
1108                 BIO_printf(bio_err,"%s\n",buf);
1109                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1110                         err,X509_STORE_CTX_get_error_depth(ctx),
1111                         X509_verify_cert_error_string(err));
1112                 return(1);
1113                 }
1114         }
1115
1116 /* self sign */
1117 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1118                                                 LHASH *conf, char *section)
1119         {
1120
1121         EVP_PKEY *pktmp;
1122
1123         pktmp = X509_get_pubkey(x);
1124         EVP_PKEY_copy_parameters(pktmp,pkey);
1125         EVP_PKEY_save_parameters(pktmp,1);
1126         EVP_PKEY_free(pktmp);
1127
1128         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1129         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1130
1131         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1132         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1133         /* 28 days to be certified */
1134
1135         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1136                 goto err;
1137
1138         if (!X509_set_pubkey(x,pkey)) goto err;
1139         if(clrext) {
1140                 while(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1141         }
1142         if(conf) {
1143                 X509V3_CTX ctx;
1144                 X509_set_version(x,2); /* version 3 certificate */
1145                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1146                 X509V3_set_conf_lhash(&ctx, conf);
1147                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1148         }
1149         if (!X509_sign(x,pkey,digest)) goto err;
1150         return(1);
1151 err:
1152         ERR_print_errors(bio_err);
1153         return(0);
1154         }
1155
1156 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1157 {
1158         int id, i, idret;
1159         char *pname;
1160         id = X509_PURPOSE_get_id(pt);
1161         pname = X509_PURPOSE_get0_name(pt);
1162         for(i = 0; i < 2; i++) {
1163                 idret = X509_check_purpose(cert, id, i);
1164                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1165                 if(idret == 1) BIO_printf(bio, "Yes\n");
1166                 else if (idret == 0) BIO_printf(bio, "No\n");
1167                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1168         }
1169         return 1;
1170 }
1171
1172
1173