f0ef5596fac9d8c41e68d769ba8c063989f0ba98
[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
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 " -subject_hash   - print subject hash value\n",
96 " -issuer_hash    - print issuer hash value\n",
97 " -hash           - synonym for -subject_hash\n",
98 " -subject        - print subject DN\n",
99 " -issuer         - print issuer DN\n",
100 " -email          - print email address(es)\n",
101 " -startdate      - notBefore field\n",
102 " -enddate        - notAfter field\n",
103 " -purpose        - print out certificate purposes\n",
104 " -dates          - both Before and After dates\n",
105 " -modulus        - print the RSA key modulus\n",
106 " -pubkey         - output the public key\n",
107 " -fingerprint    - print the certificate fingerprint\n",
108 " -alias          - output certificate alias\n",
109 " -noout          - no certificate output\n",
110 " -ocspid         - print OCSP hash values for the subject name and public key\n",
111 " -trustout       - output a \"trusted\" certificate\n",
112 " -clrtrust       - clear all trusted purposes\n",
113 " -clrreject      - clear all rejected purposes\n",
114 " -addtrust arg   - trust certificate for a given purpose\n",
115 " -addreject arg  - reject certificate for a given purpose\n",
116 " -setalias arg   - set certificate alias\n",
117 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
118 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
119 "                   exit 1 if so, 0 if not\n",
120 " -signkey arg    - self sign cert with arg\n",
121 " -x509toreq      - output a certification request object\n",
122 " -req            - input is a certificate request, sign and output.\n",
123 " -CA arg         - set the CA certificate, must be PEM format.\n",
124 " -CAkey arg      - set the CA key, must be PEM format\n",
125 "                   missing, it is assumed to be in the CA file.\n",
126 " -CAcreateserial - create serial number file if it does not exist\n",
127 " -CAserial arg   - serial file\n",
128 " -set_serial     - serial number to use\n",
129 " -text           - print the certificate in text form\n",
130 " -C              - print out C code forms\n",
131 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
132 " -extfile        - configuration file with X509V3 extensions to add\n",
133 " -extensions     - section from config file with X509V3 extensions to add\n",
134 " -clrext         - delete extensions before signing and input certificate\n",
135 " -nameopt arg    - various certificate name options\n",
136 #ifndef OPENSSL_NO_ENGINE
137 " -engine e       - use engine e, possibly a hardware device.\n",
138 #endif
139 " -certopt arg    - various certificate text options\n",
140 NULL
141 };
142
143 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
144 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
145                                                 CONF *conf, char *section);
146 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
147                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
148                          int create,int days, int clrext, CONF *conf, char *section,
149                                                 ASN1_INTEGER *sno);
150 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
151 static int reqfile=0;
152
153 int MAIN(int, char **);
154
155 int MAIN(int argc, char **argv)
156         {
157         ENGINE *e = NULL;
158         int ret=1;
159         X509_REQ *req=NULL;
160         X509 *x=NULL,*xca=NULL;
161         ASN1_OBJECT *objtmp;
162         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
163         ASN1_INTEGER *sno = NULL;
164         int i,num,badops=0;
165         BIO *out=NULL;
166         BIO *STDout=NULL;
167         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
168         int informat,outformat,keyformat,CAformat,CAkeyformat;
169         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
170         char *CAkeyfile=NULL,*CAserial=NULL;
171         char *alias=NULL;
172         int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
173         int subject_hash=0,issuer_hash=0,ocspid=0;
174         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
175         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
176         int C=0;
177         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
178         int pprint = 0;
179         char **pp;
180         X509_STORE *ctx=NULL;
181         X509_REQ *rq=NULL;
182         int fingerprint=0;
183         char buf[256];
184         const EVP_MD *md_alg,*digest=EVP_md5();
185         CONF *extconf = NULL;
186         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
187         int need_rand = 0;
188         int checkend=0,checkoffset=0;
189         unsigned long nmflag = 0, certflag = 0;
190 #ifndef OPENSSL_NO_ENGINE
191         char *engine=NULL;
192 #endif
193
194         reqfile=0;
195
196         apps_startup();
197
198         if (bio_err == NULL)
199                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
200
201         if (!load_config(bio_err, NULL))
202                 goto end;
203         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
204 #ifdef OPENSSL_SYS_VMS
205         {
206         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
207         STDout = BIO_push(tmpbio, STDout);
208         }
209 #endif
210
211         informat=FORMAT_PEM;
212         outformat=FORMAT_PEM;
213         keyformat=FORMAT_PEM;
214         CAformat=FORMAT_PEM;
215         CAkeyformat=FORMAT_PEM;
216
217         ctx=X509_STORE_new();
218         if (ctx == NULL) goto end;
219         X509_STORE_set_verify_cb_func(ctx,callb);
220
221         argc--;
222         argv++;
223         num=0;
224         while (argc >= 1)
225                 {
226                 if      (strcmp(*argv,"-inform") == 0)
227                         {
228                         if (--argc < 1) goto bad;
229                         informat=str2fmt(*(++argv));
230                         }
231                 else if (strcmp(*argv,"-outform") == 0)
232                         {
233                         if (--argc < 1) goto bad;
234                         outformat=str2fmt(*(++argv));
235                         }
236                 else if (strcmp(*argv,"-keyform") == 0)
237                         {
238                         if (--argc < 1) goto bad;
239                         keyformat=str2fmt(*(++argv));
240                         }
241                 else if (strcmp(*argv,"-req") == 0)
242                         {
243                         reqfile=1;
244                         need_rand = 1;
245                         }
246                 else if (strcmp(*argv,"-CAform") == 0)
247                         {
248                         if (--argc < 1) goto bad;
249                         CAformat=str2fmt(*(++argv));
250                         }
251                 else if (strcmp(*argv,"-CAkeyform") == 0)
252                         {
253                         if (--argc < 1) goto bad;
254                         CAkeyformat=str2fmt(*(++argv));
255                         }
256                 else if (strcmp(*argv,"-days") == 0)
257                         {
258                         if (--argc < 1) goto bad;
259                         days=atoi(*(++argv));
260                         if (days == 0)
261                                 {
262                                 BIO_printf(STDout,"bad number of days\n");
263                                 goto bad;
264                                 }
265                         }
266                 else if (strcmp(*argv,"-passin") == 0)
267                         {
268                         if (--argc < 1) goto bad;
269                         passargin= *(++argv);
270                         }
271                 else if (strcmp(*argv,"-extfile") == 0)
272                         {
273                         if (--argc < 1) goto bad;
274                         extfile= *(++argv);
275                         }
276                 else if (strcmp(*argv,"-extensions") == 0)
277                         {
278                         if (--argc < 1) goto bad;
279                         extsect= *(++argv);
280                         }
281                 else if (strcmp(*argv,"-in") == 0)
282                         {
283                         if (--argc < 1) goto bad;
284                         infile= *(++argv);
285                         }
286                 else if (strcmp(*argv,"-out") == 0)
287                         {
288                         if (--argc < 1) goto bad;
289                         outfile= *(++argv);
290                         }
291                 else if (strcmp(*argv,"-signkey") == 0)
292                         {
293                         if (--argc < 1) goto bad;
294                         keyfile= *(++argv);
295                         sign_flag= ++num;
296                         need_rand = 1;
297                         }
298                 else if (strcmp(*argv,"-CA") == 0)
299                         {
300                         if (--argc < 1) goto bad;
301                         CAfile= *(++argv);
302                         CA_flag= ++num;
303                         need_rand = 1;
304                         }
305                 else if (strcmp(*argv,"-CAkey") == 0)
306                         {
307                         if (--argc < 1) goto bad;
308                         CAkeyfile= *(++argv);
309                         }
310                 else if (strcmp(*argv,"-CAserial") == 0)
311                         {
312                         if (--argc < 1) goto bad;
313                         CAserial= *(++argv);
314                         }
315                 else if (strcmp(*argv,"-set_serial") == 0)
316                         {
317                         if (--argc < 1) goto bad;
318                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
319                                 goto bad;
320                         }
321                 else if (strcmp(*argv,"-addtrust") == 0)
322                         {
323                         if (--argc < 1) goto bad;
324                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
325                                 {
326                                 BIO_printf(bio_err,
327                                         "Invalid trust object value %s\n", *argv);
328                                 goto bad;
329                                 }
330                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
331                         sk_ASN1_OBJECT_push(trust, objtmp);
332                         trustout = 1;
333                         }
334                 else if (strcmp(*argv,"-addreject") == 0)
335                         {
336                         if (--argc < 1) goto bad;
337                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
338                                 {
339                                 BIO_printf(bio_err,
340                                         "Invalid reject object value %s\n", *argv);
341                                 goto bad;
342                                 }
343                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
344                         sk_ASN1_OBJECT_push(reject, objtmp);
345                         trustout = 1;
346                         }
347                 else if (strcmp(*argv,"-setalias") == 0)
348                         {
349                         if (--argc < 1) goto bad;
350                         alias= *(++argv);
351                         trustout = 1;
352                         }
353                 else if (strcmp(*argv,"-certopt") == 0)
354                         {
355                         if (--argc < 1) goto bad;
356                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
357                         }
358                 else if (strcmp(*argv,"-nameopt") == 0)
359                         {
360                         if (--argc < 1) goto bad;
361                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
362                         }
363 #ifndef OPENSSL_NO_ENGINE
364                 else if (strcmp(*argv,"-engine") == 0)
365                         {
366                         if (--argc < 1) goto bad;
367                         engine= *(++argv);
368                         }
369 #endif
370                 else if (strcmp(*argv,"-C") == 0)
371                         C= ++num;
372                 else if (strcmp(*argv,"-email") == 0)
373                         email= ++num;
374                 else if (strcmp(*argv,"-serial") == 0)
375                         serial= ++num;
376                 else if (strcmp(*argv,"-modulus") == 0)
377                         modulus= ++num;
378                 else if (strcmp(*argv,"-pubkey") == 0)
379                         pubkey= ++num;
380                 else if (strcmp(*argv,"-x509toreq") == 0)
381                         x509req= ++num;
382                 else if (strcmp(*argv,"-text") == 0)
383                         text= ++num;
384                 else if (strcmp(*argv,"-hash") == 0
385                         || strcmp(*argv,"-subject_hash") == 0)
386                         subject_hash= ++num;
387                 else if (strcmp(*argv,"-issuer_hash") == 0)
388                         issuer_hash= ++num;
389                 else if (strcmp(*argv,"-subject") == 0)
390                         subject= ++num;
391                 else if (strcmp(*argv,"-issuer") == 0)
392                         issuer= ++num;
393                 else if (strcmp(*argv,"-fingerprint") == 0)
394                         fingerprint= ++num;
395                 else if (strcmp(*argv,"-dates") == 0)
396                         {
397                         startdate= ++num;
398                         enddate= ++num;
399                         }
400                 else if (strcmp(*argv,"-purpose") == 0)
401                         pprint= ++num;
402                 else if (strcmp(*argv,"-startdate") == 0)
403                         startdate= ++num;
404                 else if (strcmp(*argv,"-enddate") == 0)
405                         enddate= ++num;
406                 else if (strcmp(*argv,"-checkend") == 0)
407                         {
408                         if (--argc < 1) goto bad;
409                         checkoffset=atoi(*(++argv));
410                         checkend=1;
411                         }
412                 else if (strcmp(*argv,"-noout") == 0)
413                         noout= ++num;
414                 else if (strcmp(*argv,"-trustout") == 0)
415                         trustout= 1;
416                 else if (strcmp(*argv,"-clrtrust") == 0)
417                         clrtrust= ++num;
418                 else if (strcmp(*argv,"-clrreject") == 0)
419                         clrreject= ++num;
420                 else if (strcmp(*argv,"-alias") == 0)
421                         aliasout= ++num;
422                 else if (strcmp(*argv,"-CAcreateserial") == 0)
423                         CA_createserial= ++num;
424                 else if (strcmp(*argv,"-clrext") == 0)
425                         clrext = 1;
426 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
427                 else if (strcmp(*argv,"-crlext") == 0)
428                         {
429                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
430                         clrext = 1;
431                         }
432 #endif
433                 else if (strcmp(*argv,"-ocspid") == 0)
434                         ocspid= ++num;
435                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
436                         {
437                         /* ok */
438                         digest=md_alg;
439                         }
440                 else
441                         {
442                         BIO_printf(bio_err,"unknown option %s\n",*argv);
443                         badops=1;
444                         break;
445                         }
446                 argc--;
447                 argv++;
448                 }
449
450         if (badops)
451                 {
452 bad:
453                 for (pp=x509_usage; (*pp != NULL); pp++)
454                         BIO_printf(bio_err,"%s",*pp);
455                 goto end;
456                 }
457
458 #ifndef OPENSSL_NO_ENGINE
459         e = setup_engine(bio_err, engine, 0);
460 #endif
461
462         if (need_rand)
463                 app_RAND_load_file(NULL, bio_err, 0);
464
465         ERR_load_crypto_strings();
466
467         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
468                 {
469                 BIO_printf(bio_err, "Error getting password\n");
470                 goto end;
471                 }
472
473         if (!X509_STORE_set_default_paths(ctx))
474                 {
475                 ERR_print_errors(bio_err);
476                 goto end;
477                 }
478
479         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
480                 { CAkeyfile=CAfile; }
481         else if ((CA_flag) && (CAkeyfile == NULL))
482                 {
483                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
484                 goto end;
485                 }
486
487         if (extfile)
488                 {
489                 long errorline = -1;
490                 X509V3_CTX ctx2;
491                 extconf = NCONF_new(NULL);
492                 if (!NCONF_load(extconf, extfile,&errorline))
493                         {
494                         if (errorline <= 0)
495                                 BIO_printf(bio_err,
496                                         "error loading the config file '%s'\n",
497                                                                 extfile);
498                         else
499                                 BIO_printf(bio_err,
500                                        "error on line %ld of config file '%s'\n"
501                                                         ,errorline,extfile);
502                         goto end;
503                         }
504                 if (!extsect)
505                         {
506                         extsect = NCONF_get_string(extconf, "default", "extensions");
507                         if (!extsect)
508                                 {
509                                 ERR_clear_error();
510                                 extsect = "default";
511                                 }
512                         }
513                 X509V3_set_ctx_test(&ctx2);
514                 X509V3_set_nconf(&ctx2, extconf);
515                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
516                         {
517                         BIO_printf(bio_err,
518                                 "Error Loading extension section %s\n",
519                                                                  extsect);
520                         ERR_print_errors(bio_err);
521                         goto end;
522                         }
523                 }
524
525
526         if (reqfile)
527                 {
528                 EVP_PKEY *pkey;
529                 X509_CINF *ci;
530                 BIO *in;
531
532                 if (!sign_flag && !CA_flag)
533                         {
534                         BIO_printf(bio_err,"We need a private key to sign with\n");
535                         goto end;
536                         }
537                 in=BIO_new(BIO_s_file());
538                 if (in == NULL)
539                         {
540                         ERR_print_errors(bio_err);
541                         goto end;
542                         }
543
544                 if (infile == NULL)
545                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
546                 else
547                         {
548                         if (BIO_read_filename(in,infile) <= 0)
549                                 {
550                                 perror(infile);
551                                 BIO_free(in);
552                                 goto end;
553                                 }
554                         }
555                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
556                 BIO_free(in);
557
558                 if (req == NULL)
559                         {
560                         ERR_print_errors(bio_err);
561                         goto end;
562                         }
563
564                 if (    (req->req_info == NULL) ||
565                         (req->req_info->pubkey == NULL) ||
566                         (req->req_info->pubkey->public_key == NULL) ||
567                         (req->req_info->pubkey->public_key->data == NULL))
568                         {
569                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
570                         BIO_printf(bio_err,"It does not contain a public key\n");
571                         goto end;
572                         }
573                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
574                         {
575                         BIO_printf(bio_err,"error unpacking public key\n");
576                         goto end;
577                         }
578                 i=X509_REQ_verify(req,pkey);
579                 EVP_PKEY_free(pkey);
580                 if (i < 0)
581                         {
582                         BIO_printf(bio_err,"Signature verification error\n");
583                         ERR_print_errors(bio_err);
584                         goto end;
585                         }
586                 if (i == 0)
587                         {
588                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
589                         goto end;
590                         }
591                 else
592                         BIO_printf(bio_err,"Signature ok\n");
593
594                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
595
596                 if ((x=X509_new()) == NULL) goto end;
597                 ci=x->cert_info;
598
599                 if (sno)
600                         {
601                         if (!X509_set_serialNumber(x, sno))
602                                 goto end;
603                         }
604                 else if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
605                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
606                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
607
608                 X509_gmtime_adj(X509_get_notBefore(x),0);
609                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
610
611                 pkey = X509_REQ_get_pubkey(req);
612                 X509_set_pubkey(x,pkey);
613                 EVP_PKEY_free(pkey);
614                 }
615         else
616                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
617
618         if (x == NULL) goto end;
619         if (CA_flag)
620                 {
621                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
622                 if (xca == NULL) goto end;
623                 }
624
625         if (!noout || text)
626                 {
627                 OBJ_create("2.99999.3",
628                         "SET.ex3","SET x509v3 extension 3");
629
630                 out=BIO_new(BIO_s_file());
631                 if (out == NULL)
632                         {
633                         ERR_print_errors(bio_err);
634                         goto end;
635                         }
636                 if (outfile == NULL)
637                         {
638                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
639 #ifdef OPENSSL_SYS_VMS
640                         {
641                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
642                         out = BIO_push(tmpbio, out);
643                         }
644 #endif
645                         }
646                 else
647                         {
648                         if (BIO_write_filename(out,outfile) <= 0)
649                                 {
650                                 perror(outfile);
651                                 goto end;
652                                 }
653                         }
654                 }
655
656         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
657
658         if (clrtrust) X509_trust_clear(x);
659         if (clrreject) X509_reject_clear(x);
660
661         if (trust)
662                 {
663                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
664                         {
665                         objtmp = sk_ASN1_OBJECT_value(trust, i);
666                         X509_add1_trust_object(x, objtmp);
667                         }
668                 }
669
670         if (reject)
671                 {
672                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
673                         {
674                         objtmp = sk_ASN1_OBJECT_value(reject, i);
675                         X509_add1_reject_object(x, objtmp);
676                         }
677                 }
678
679         if (num)
680                 {
681                 for (i=1; i<=num; i++)
682                         {
683                         if (issuer == i)
684                                 {
685                                 print_name(STDout, "issuer= ",
686                                         X509_get_issuer_name(x), nmflag);
687                                 }
688                         else if (subject == i) 
689                                 {
690                                 print_name(STDout, "subject= ",
691                                         X509_get_subject_name(x), nmflag);
692                                 }
693                         else if (serial == i)
694                                 {
695                                 BIO_printf(STDout,"serial=");
696                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
697                                 BIO_printf(STDout,"\n");
698                                 }
699                         else if (email == i) 
700                                 {
701                                 int j;
702                                 STACK *emlst;
703                                 emlst = X509_get1_email(x);
704                                 for (j = 0; j < sk_num(emlst); j++)
705                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
706                                 X509_email_free(emlst);
707                                 }
708                         else if (aliasout == i)
709                                 {
710                                 unsigned char *alstr;
711                                 alstr = X509_alias_get0(x, NULL);
712                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
713                                 else BIO_puts(STDout,"<No Alias>\n");
714                                 }
715                         else if (subject_hash == i)
716                                 {
717                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
718                                 }
719                         else if (issuer_hash == i)
720                                 {
721                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
722                                 }
723                         else if (pprint == i)
724                                 {
725                                 X509_PURPOSE *ptmp;
726                                 int j;
727                                 BIO_printf(STDout, "Certificate purposes:\n");
728                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
729                                         {
730                                         ptmp = X509_PURPOSE_get0(j);
731                                         purpose_print(STDout, x, ptmp);
732                                         }
733                                 }
734                         else
735                                 if (modulus == i)
736                                 {
737                                 EVP_PKEY *pkey;
738
739                                 pkey=X509_get_pubkey(x);
740                                 if (pkey == NULL)
741                                         {
742                                         BIO_printf(bio_err,"Modulus=unavailable\n");
743                                         ERR_print_errors(bio_err);
744                                         goto end;
745                                         }
746                                 BIO_printf(STDout,"Modulus=");
747 #ifndef OPENSSL_NO_RSA
748                                 if (pkey->type == EVP_PKEY_RSA)
749                                         BN_print(STDout,pkey->pkey.rsa->n);
750                                 else
751 #endif
752 #ifndef OPENSSL_NO_DSA
753                                 if (pkey->type == EVP_PKEY_DSA)
754                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
755                                 else
756 #endif
757                                         BIO_printf(STDout,"Wrong Algorithm type");
758                                 BIO_printf(STDout,"\n");
759                                 EVP_PKEY_free(pkey);
760                                 }
761                         else
762                                 if (pubkey == i)
763                                 {
764                                 EVP_PKEY *pkey;
765
766                                 pkey=X509_get_pubkey(x);
767                                 if (pkey == NULL)
768                                         {
769                                         BIO_printf(bio_err,"Error getting public key\n");
770                                         ERR_print_errors(bio_err);
771                                         goto end;
772                                         }
773                                 PEM_write_bio_PUBKEY(STDout, pkey);
774                                 EVP_PKEY_free(pkey);
775                                 }
776                         else
777                                 if (C == i)
778                                 {
779                                 unsigned char *d;
780                                 char *m;
781                                 int y,z;
782
783                                 X509_NAME_oneline(X509_get_subject_name(x),
784                                         buf,sizeof buf);
785                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
786                                 m=X509_NAME_oneline(
787                                         X509_get_issuer_name(x),buf,
788                                         sizeof buf);
789                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
790
791                                 z=i2d_X509(x,NULL);
792                                 m=OPENSSL_malloc(z);
793
794                                 d=(unsigned char *)m;
795                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
796                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
797                                 d=(unsigned char *)m;
798                                 for (y=0; y<z; y++)
799                                         {
800                                         BIO_printf(STDout,"0x%02X,",d[y]);
801                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
802                                         }
803                                 if (y%16 != 0) BIO_printf(STDout,"\n");
804                                 BIO_printf(STDout,"};\n");
805
806                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
807                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
808                                 d=(unsigned char *)m;
809                                 for (y=0; y<z; y++)
810                                         {
811                                         BIO_printf(STDout,"0x%02X,",d[y]);
812                                         if ((y & 0x0f) == 0x0f)
813                                                 BIO_printf(STDout,"\n");
814                                         }
815                                 if (y%16 != 0) BIO_printf(STDout,"\n");
816                                 BIO_printf(STDout,"};\n");
817
818                                 z=i2d_X509(x,&d);
819                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
820                                 d=(unsigned char *)m;
821                                 for (y=0; y<z; y++)
822                                         {
823                                         BIO_printf(STDout,"0x%02X,",d[y]);
824                                         if ((y & 0x0f) == 0x0f)
825                                                 BIO_printf(STDout,"\n");
826                                         }
827                                 if (y%16 != 0) BIO_printf(STDout,"\n");
828                                 BIO_printf(STDout,"};\n");
829
830                                 OPENSSL_free(m);
831                                 }
832                         else if (text == i)
833                                 {
834                                 X509_print_ex(out,x,nmflag, certflag);
835                                 }
836                         else if (startdate == i)
837                                 {
838                                 BIO_puts(STDout,"notBefore=");
839                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
840                                 BIO_puts(STDout,"\n");
841                                 }
842                         else if (enddate == i)
843                                 {
844                                 BIO_puts(STDout,"notAfter=");
845                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
846                                 BIO_puts(STDout,"\n");
847                                 }
848                         else if (fingerprint == i)
849                                 {
850                                 int j;
851                                 unsigned int n;
852                                 unsigned char md[EVP_MAX_MD_SIZE];
853
854                                 if (!X509_digest(x,digest,md,&n))
855                                         {
856                                         BIO_printf(bio_err,"out of memory\n");
857                                         goto end;
858                                         }
859                                 BIO_printf(STDout,"%s Fingerprint=",
860                                                 OBJ_nid2sn(EVP_MD_type(digest)));
861                                 for (j=0; j<(int)n; j++)
862                                         {
863                                         BIO_printf(STDout,"%02X%c",md[j],
864                                                 (j+1 == (int)n)
865                                                 ?'\n':':');
866                                         }
867                                 }
868
869                         /* should be in the library */
870                         else if ((sign_flag == i) && (x509req == 0))
871                                 {
872                                 BIO_printf(bio_err,"Getting Private key\n");
873                                 if (Upkey == NULL)
874                                         {
875                                         Upkey=load_key(bio_err,
876                                                 keyfile, keyformat, 0,
877                                                 passin, e, "Private key");
878                                         if (Upkey == NULL) goto end;
879                                         }
880 #ifndef OPENSSL_NO_DSA
881                                 if (Upkey->type == EVP_PKEY_DSA)
882                                         digest=EVP_dss1();
883 #endif
884 #ifndef OPENSSL_NO_ECDSA
885                                 if (Upkey->type == EVP_PKEY_EC)
886                                         digest=EVP_ecdsa();
887 #endif
888
889                                 assert(need_rand);
890                                 if (!sign(x,Upkey,days,clrext,digest,
891                                                  extconf, extsect)) goto end;
892                                 }
893                         else if (CA_flag == i)
894                                 {
895                                 BIO_printf(bio_err,"Getting CA Private Key\n");
896                                 if (CAkeyfile != NULL)
897                                         {
898                                         CApkey=load_key(bio_err,
899                                                 CAkeyfile, CAkeyformat,
900                                                 0, passin, e,
901                                                 "CA Private Key");
902                                         if (CApkey == NULL) goto end;
903                                         }
904 #ifndef OPENSSL_NO_DSA
905                                 if (CApkey->type == EVP_PKEY_DSA)
906                                         digest=EVP_dss1();
907 #endif
908 #ifndef OPENSSL_NO_ECDSA
909                                 if (CApkey->type == EVP_PKEY_EC)
910                                         digest = EVP_ecdsa();
911 #endif
912                                 
913                                 assert(need_rand);
914                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
915                                         CApkey, CAserial,CA_createserial,days, clrext,
916                                         extconf, extsect, sno))
917                                         goto end;
918                                 }
919                         else if (x509req == i)
920                                 {
921                                 EVP_PKEY *pk;
922
923                                 BIO_printf(bio_err,"Getting request Private Key\n");
924                                 if (keyfile == NULL)
925                                         {
926                                         BIO_printf(bio_err,"no request key file specified\n");
927                                         goto end;
928                                         }
929                                 else
930                                         {
931                                         pk=load_key(bio_err,
932                                                 keyfile, FORMAT_PEM, 0,
933                                                 passin, e, "request key");
934                                         if (pk == NULL) goto end;
935                                         }
936
937                                 BIO_printf(bio_err,"Generating certificate request\n");
938
939 #ifndef OPENSSL_NO_DSA
940                                 if (pk->type == EVP_PKEY_DSA)
941                                         digest=EVP_dss1();
942 #endif
943 #ifndef OPENSSL_NO_ECDSA
944                                 if (pk->type == EVP_PKEY_EC)
945                                         digest=EVP_ecdsa();
946 #endif
947
948                                 rq=X509_to_X509_REQ(x,pk,digest);
949                                 EVP_PKEY_free(pk);
950                                 if (rq == NULL)
951                                         {
952                                         ERR_print_errors(bio_err);
953                                         goto end;
954                                         }
955                                 if (!noout)
956                                         {
957                                         X509_REQ_print(out,rq);
958                                         PEM_write_bio_X509_REQ(out,rq);
959                                         }
960                                 noout=1;
961                                 }
962                         else if (ocspid == i)
963                                 {
964                                 X509_ocspid_print(out, x);
965                                 }
966                         }
967                 }
968
969         if (checkend)
970                 {
971                 time_t tnow=time(NULL);
972
973                 if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x), tnow+checkoffset) == -1)
974                         {
975                         BIO_printf(out,"Certificate will expire\n");
976                         ret=1;
977                         }
978                 else
979                         {
980                         BIO_printf(out,"Certificate will not expire\n");
981                         ret=0;
982                         }
983                 goto end;
984                 }
985
986         if (noout)
987                 {
988                 ret=0;
989                 goto end;
990                 }
991
992         if      (outformat == FORMAT_ASN1)
993                 i=i2d_X509_bio(out,x);
994         else if (outformat == FORMAT_PEM)
995                 {
996                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
997                 else i=PEM_write_bio_X509(out,x);
998                 }
999         else if (outformat == FORMAT_NETSCAPE)
1000                 {
1001                 ASN1_HEADER ah;
1002                 ASN1_OCTET_STRING os;
1003
1004                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
1005                 os.length=strlen(NETSCAPE_CERT_HDR);
1006                 ah.header= &os;
1007                 ah.data=(char *)x;
1008                 ah.meth=X509_asn1_meth();
1009
1010                 /* no macro for this one yet */
1011                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
1012                 }
1013         else    {
1014                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1015                 goto end;
1016                 }
1017         if (!i)
1018                 {
1019                 BIO_printf(bio_err,"unable to write certificate\n");
1020                 ERR_print_errors(bio_err);
1021                 goto end;
1022                 }
1023         ret=0;
1024 end:
1025         if (need_rand)
1026                 app_RAND_write_file(NULL, bio_err);
1027         OBJ_cleanup();
1028         NCONF_free(extconf);
1029         BIO_free_all(out);
1030         BIO_free_all(STDout);
1031         X509_STORE_free(ctx);
1032         X509_REQ_free(req);
1033         X509_free(x);
1034         X509_free(xca);
1035         EVP_PKEY_free(Upkey);
1036         EVP_PKEY_free(CApkey);
1037         X509_REQ_free(rq);
1038         ASN1_INTEGER_free(sno);
1039         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1040         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1041         if (passin) OPENSSL_free(passin);
1042         apps_shutdown();
1043         OPENSSL_EXIT(ret);
1044         }
1045
1046 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1047         {
1048         char *buf = NULL, *p;
1049         ASN1_INTEGER *bs = NULL;
1050         BIGNUM *serial = NULL;
1051
1052         buf=OPENSSL_malloc( ((serialfile == NULL)
1053                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
1054                         :(strlen(serialfile)))+1);
1055         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1056         if (serialfile == NULL)
1057                 {
1058                 strcpy(buf,CAfile);
1059                 for (p=buf; *p; p++)
1060                         if (*p == '.')
1061                                 {
1062                                 *p='\0';
1063                                 break;
1064                                 }
1065                 strcat(buf,POSTFIX);
1066                 }
1067         else
1068                 strcpy(buf,serialfile);
1069
1070         serial = load_serial(buf, create, NULL);
1071         if (serial == NULL) goto end;
1072
1073         if (!BN_add_word(serial,1))
1074                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1075
1076         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1077
1078  end:
1079         if (buf) OPENSSL_free(buf);
1080         BN_free(serial);
1081         return bs;
1082         }
1083
1084 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1085              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1086              int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1087         {
1088         int ret=0;
1089         ASN1_INTEGER *bs=NULL;
1090         X509_STORE_CTX xsc;
1091         EVP_PKEY *upkey;
1092
1093         upkey = X509_get_pubkey(xca);
1094         EVP_PKEY_copy_parameters(upkey,pkey);
1095         EVP_PKEY_free(upkey);
1096
1097         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1098                 {
1099                 BIO_printf(bio_err,"Error initialising X509 store\n");
1100                 goto end;
1101                 }
1102         if (sno) bs = sno;
1103         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1104                 goto end;
1105
1106         if (!X509_STORE_add_cert(ctx,x)) goto end;
1107
1108         /* NOTE: this certificate can/should be self signed, unless it was
1109          * a certificate request in which case it is not. */
1110         X509_STORE_CTX_set_cert(&xsc,x);
1111         if (!reqfile && !X509_verify_cert(&xsc))
1112                 goto end;
1113
1114         if (!X509_check_private_key(xca,pkey))
1115                 {
1116                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1117                 goto end;
1118                 }
1119
1120         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1121         if (!X509_set_serialNumber(x,bs)) goto end;
1122
1123         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1124                 goto end;
1125
1126         /* hardwired expired */
1127         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1128                 goto end;
1129
1130         if (clrext)
1131                 {
1132                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1133                 }
1134
1135         if (conf)
1136                 {
1137                 X509V3_CTX ctx2;
1138                 X509_set_version(x,2); /* version 3 certificate */
1139                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1140                 X509V3_set_nconf(&ctx2, conf);
1141                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1142                 }
1143
1144         if (!X509_sign(x,pkey,digest)) goto end;
1145         ret=1;
1146 end:
1147         X509_STORE_CTX_cleanup(&xsc);
1148         if (!ret)
1149                 ERR_print_errors(bio_err);
1150         if (!sno) ASN1_INTEGER_free(bs);
1151         return ret;
1152         }
1153
1154 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1155         {
1156         int err;
1157         X509 *err_cert;
1158
1159         /* it is ok to use a self signed certificate
1160          * This case will catch both the initial ok == 0 and the
1161          * final ok == 1 calls to this function */
1162         err=X509_STORE_CTX_get_error(ctx);
1163         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1164                 return 1;
1165
1166         /* BAD we should have gotten an error.  Normally if everything
1167          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1168          * DEPTH_ZERO_SELF_.... */
1169         if (ok)
1170                 {
1171                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1172                 return 0;
1173                 }
1174         else
1175                 {
1176                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1177                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1178                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1179                         err,X509_STORE_CTX_get_error_depth(ctx),
1180                         X509_verify_cert_error_string(err));
1181                 return 1;
1182                 }
1183         }
1184
1185 /* self sign */
1186 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 
1187                                                 CONF *conf, char *section)
1188         {
1189
1190         EVP_PKEY *pktmp;
1191
1192         pktmp = X509_get_pubkey(x);
1193         EVP_PKEY_copy_parameters(pktmp,pkey);
1194         EVP_PKEY_save_parameters(pktmp,1);
1195         EVP_PKEY_free(pktmp);
1196
1197         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1198         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1199
1200         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1201         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1202         /* 28 days to be certified */
1203
1204         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1205                 goto err;
1206
1207         if (!X509_set_pubkey(x,pkey)) goto err;
1208         if (clrext)
1209                 {
1210                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1211                 }
1212         if (conf)
1213                 {
1214                 X509V3_CTX ctx;
1215                 X509_set_version(x,2); /* version 3 certificate */
1216                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1217                 X509V3_set_nconf(&ctx, conf);
1218                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1219                 }
1220         if (!X509_sign(x,pkey,digest)) goto err;
1221         return 1;
1222 err:
1223         ERR_print_errors(bio_err);
1224         return 0;
1225         }
1226
1227 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1228 {
1229         int id, i, idret;
1230         char *pname;
1231         id = X509_PURPOSE_get_id(pt);
1232         pname = X509_PURPOSE_get0_name(pt);
1233         for (i = 0; i < 2; i++)
1234                 {
1235                 idret = X509_check_purpose(cert, id, i);
1236                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 
1237                 if (idret == 1) BIO_printf(bio, "Yes\n");
1238                 else if (idret == 0) BIO_printf(bio, "No\n");
1239                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1240                 }
1241         return 1;
1242 }