fa8537e078f10c05e6bd3d23af23e12b8fd26641
[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 <stdio.h>
60 #include <stdlib.h>
61 #include <string.h>
62 #ifdef NO_STDIO
63 #define APPS_WIN16
64 #endif
65 #include "apps.h"
66 #include "bio.h"
67 #include "asn1.h"
68 #include "err.h"
69 #include "bn.h"
70 #include "evp.h"
71 #include "x509.h"
72 #include "objects.h"
73 #include "pem.h"
74
75 #undef PROG
76 #define PROG x509_main
77
78 #undef POSTFIX
79 #define POSTFIX ".srl"
80 #define DEF_DAYS        30
81
82 #define CERT_HDR        "certificate"
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 " -serial         - print serial number value\n",
94 " -hash           - print hash value\n",
95 " -subject        - print subject DN\n",
96 " -issuer         - print issuer DN\n",
97 " -startdate      - notBefore field\n",
98 " -enddate        - notAfter field\n",
99 " -dates          - both Before and After dates\n",
100 " -modulus        - print the RSA key modulus\n",
101 " -fingerprint    - print the certificate fingerprint\n",
102 " -noout          - no certificate output\n",
103
104 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
105 " -signkey arg    - self sign cert with arg\n",
106 " -x509toreq      - output a certification request object\n",
107 " -req            - input is a certificate request, sign and output.\n",
108 " -CA arg         - set the CA certificate, must be PEM format.\n",
109 " -CAkey arg      - set the CA key, must be PEM format\n",
110 "                   missing, it is asssumed to be in the CA file.\n",
111 " -CAcreateserial - create serial number file if it does not exist\n",
112 " -CAserial       - serial file\n",
113 " -text           - print the certificate in text form\n",
114 " -C              - print out C code forms\n",
115 " -md2/-md5/-sha1/-mdc2 - digest to do an RSA sign with\n",
116 NULL
117 };
118
119 #ifndef NOPROTO
120 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
121 static EVP_PKEY *load_key(char *file, int format);
122 static X509 *load_cert(char *file, int format);
123 static int sign (X509 *x, EVP_PKEY *pkey,int days,EVP_MD *digest);
124 static int x509_certify (X509_STORE *ctx,char *CAfile, EVP_MD *digest,X509 *x,
125         X509 *xca, EVP_PKEY *pkey,char *serial, int create, int days);
126 #else
127 static int MS_CALLBACK callb();
128 static EVP_PKEY *load_key();
129 static X509 *load_cert();
130 static int sign ();
131 static int x509_certify ();
132 #endif
133
134 static int reqfile=0;
135
136 int MAIN(argc, argv)
137 int argc;
138 char **argv;
139         {
140         int ret=1;
141         X509_REQ *req=NULL;
142         X509 *x=NULL,*xca=NULL;
143         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
144         int i,num,badops=0;
145         BIO *out=NULL;
146         BIO *STDout=NULL;
147         int informat,outformat,keyformat,CAformat,CAkeyformat;
148         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
149         char *CAkeyfile=NULL,*CAserial=NULL;
150         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
151         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
152         int C=0;
153         int x509req=0,days=DEF_DAYS,modulus=0;
154         char **pp;
155         X509_STORE *ctx=NULL;
156         X509_REQ *rq=NULL;
157         int fingerprint=0;
158         char buf[256];
159         EVP_MD *md_alg,*digest=EVP_md5();
160
161         reqfile=0;
162
163         apps_startup();
164
165         if (bio_err == NULL)
166                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
167         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
168
169         informat=FORMAT_PEM;
170         outformat=FORMAT_PEM;
171         keyformat=FORMAT_PEM;
172         CAformat=FORMAT_PEM;
173         CAkeyformat=FORMAT_PEM;
174
175         ctx=X509_STORE_new();
176         if (ctx == NULL) goto end;
177         X509_STORE_set_verify_cb_func(ctx,callb);
178
179         argc--;
180         argv++;
181         num=0;
182         while (argc >= 1)
183                 {
184                 if      (strcmp(*argv,"-inform") == 0)
185                         {
186                         if (--argc < 1) goto bad;
187                         informat=str2fmt(*(++argv));
188                         }
189                 else if (strcmp(*argv,"-outform") == 0)
190                         {
191                         if (--argc < 1) goto bad;
192                         outformat=str2fmt(*(++argv));
193                         }
194                 else if (strcmp(*argv,"-keyform") == 0)
195                         {
196                         if (--argc < 1) goto bad;
197                         keyformat=str2fmt(*(++argv));
198                         }
199                 else if (strcmp(*argv,"-req") == 0)
200                         reqfile=1;
201                 else if (strcmp(*argv,"-CAform") == 0)
202                         {
203                         if (--argc < 1) goto bad;
204                         CAformat=str2fmt(*(++argv));
205                         }
206                 else if (strcmp(*argv,"-CAkeyform") == 0)
207                         {
208                         if (--argc < 1) goto bad;
209                         CAformat=str2fmt(*(++argv));
210                         }
211                 else if (strcmp(*argv,"-days") == 0)
212                         {
213                         if (--argc < 1) goto bad;
214                         days=atoi(*(++argv));
215                         if (days == 0)
216                                 {
217                                 BIO_printf(STDout,"bad number of days\n");
218                                 goto bad;
219                                 }
220                         }
221                 else if (strcmp(*argv,"-in") == 0)
222                         {
223                         if (--argc < 1) goto bad;
224                         infile= *(++argv);
225                         }
226                 else if (strcmp(*argv,"-out") == 0)
227                         {
228                         if (--argc < 1) goto bad;
229                         outfile= *(++argv);
230                         }
231                 else if (strcmp(*argv,"-signkey") == 0)
232                         {
233                         if (--argc < 1) goto bad;
234                         keyfile= *(++argv);
235                         sign_flag= ++num;
236                         }
237                 else if (strcmp(*argv,"-CA") == 0)
238                         {
239                         if (--argc < 1) goto bad;
240                         CAfile= *(++argv);
241                         CA_flag= ++num;
242                         }
243                 else if (strcmp(*argv,"-CAkey") == 0)
244                         {
245                         if (--argc < 1) goto bad;
246                         CAkeyfile= *(++argv);
247                         }
248                 else if (strcmp(*argv,"-CAserial") == 0)
249                         {
250                         if (--argc < 1) goto bad;
251                         CAserial= *(++argv);
252                         }
253                 else if (strcmp(*argv,"-C") == 0)
254                         C= ++num;
255                 else if (strcmp(*argv,"-serial") == 0)
256                         serial= ++num;
257                 else if (strcmp(*argv,"-modulus") == 0)
258                         modulus= ++num;
259                 else if (strcmp(*argv,"-x509toreq") == 0)
260                         x509req= ++num;
261                 else if (strcmp(*argv,"-text") == 0)
262                         text= ++num;
263                 else if (strcmp(*argv,"-hash") == 0)
264                         hash= ++num;
265                 else if (strcmp(*argv,"-subject") == 0)
266                         subject= ++num;
267                 else if (strcmp(*argv,"-issuer") == 0)
268                         issuer= ++num;
269                 else if (strcmp(*argv,"-fingerprint") == 0)
270                         fingerprint= ++num;
271                 else if (strcmp(*argv,"-dates") == 0)
272                         {
273                         startdate= ++num;
274                         enddate= ++num;
275                         }
276                 else if (strcmp(*argv,"-startdate") == 0)
277                         startdate= ++num;
278                 else if (strcmp(*argv,"-enddate") == 0)
279                         enddate= ++num;
280                 else if (strcmp(*argv,"-noout") == 0)
281                         noout= ++num;
282                 else if (strcmp(*argv,"-CAcreateserial") == 0)
283                         CA_createserial= ++num;
284                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
285                         {
286                         /* ok */
287                         digest=md_alg;
288                         }
289                 else
290                         {
291                         BIO_printf(bio_err,"unknown option %s\n",*argv);
292                         badops=1;
293                         break;
294                         }
295                 argc--;
296                 argv++;
297                 }
298
299         if (badops)
300                 {
301 bad:
302                 for (pp=x509_usage; (*pp != NULL); pp++)
303                         BIO_printf(bio_err,*pp);
304                 goto end;
305                 }
306
307         ERR_load_crypto_strings();
308         X509v3_add_netscape_extensions();
309
310         if (!X509_STORE_set_default_paths(ctx))
311                 {
312                 ERR_print_errors(bio_err);
313                 goto end;
314                 }
315
316         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
317                 { CAkeyfile=CAfile; }
318         else if ((CA_flag) && (CAkeyfile == NULL))
319                 {
320                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
321                 goto end;
322                 }
323
324         if (reqfile)
325                 {
326                 EVP_PKEY *pkey;
327                 X509_CINF *ci;
328                 BIO *in;
329
330                 if (!sign_flag && !CA_flag)
331                         {
332                         BIO_printf(bio_err,"We need a private key to sign with\n");
333                         goto end;
334                         }
335                 in=BIO_new(BIO_s_file());
336                 if (in == NULL)
337                         {
338                         ERR_print_errors(bio_err);
339                         goto end;
340                         }
341
342                 if (infile == NULL)
343                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
344                 else
345                         {
346                         if (BIO_read_filename(in,infile) <= 0)
347                                 {
348                                 perror(infile);
349                                 goto end;
350                                 }
351                         }
352                 req=PEM_read_bio_X509_REQ(in,NULL,NULL);
353                 BIO_free(in);
354
355                 if (req == NULL) { perror(infile); goto end; }
356
357                 if (    (req->req_info == NULL) ||
358                         (req->req_info->pubkey == NULL) ||
359                         (req->req_info->pubkey->public_key == NULL) ||
360                         (req->req_info->pubkey->public_key->data == NULL))
361                         {
362                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
363                         BIO_printf(bio_err,"It does not contain a public key\n");
364                         goto end;
365                         }
366                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
367                         {
368                         BIO_printf(bio_err,"error unpacking public key\n");
369                         goto end;
370                         }
371                 i=X509_REQ_verify(req,pkey);
372                 EVP_PKEY_free(pkey);
373                 if (i < 0)
374                         {
375                         BIO_printf(bio_err,"Signature verification error\n");
376                         ERR_print_errors(bio_err);
377                         goto end;
378                         }
379                 if (i == 0)
380                         {
381                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
382                         goto end;
383                         }
384                 else
385                         BIO_printf(bio_err,"Signature ok\n");
386                 
387                 X509_NAME_oneline(req->req_info->subject,buf,256);
388                 BIO_printf(bio_err,"subject=%s\n",buf);
389
390                 if ((x=X509_new()) == NULL) goto end;
391                 ci=x->cert_info;
392
393                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
394                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
395                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
396
397                 X509_gmtime_adj(X509_get_notBefore(x),0);
398                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
399
400 #if 0
401                 X509_PUBKEY_free(ci->key);
402                 ci->key=req->req_info->pubkey;
403                 req->req_info->pubkey=NULL;
404 #else
405                 pkey = X509_REQ_get_pubkey(req);
406                 X509_set_pubkey(x,pkey);
407                 EVP_PKEY_free(pkey);
408 #endif
409                 }
410         else
411                 x=load_cert(infile,informat);
412
413         if (x == NULL) goto end;
414         if (CA_flag)
415                 {
416                 xca=load_cert(CAfile,CAformat);
417                 if (xca == NULL) goto end;
418                 }
419
420         if (!noout || text)
421                 {
422                 OBJ_create("2.99999.3",
423                         "SET.ex3","SET x509v3 extension 3");
424
425                 out=BIO_new(BIO_s_file());
426                 if (out == NULL)
427                         {
428                         ERR_print_errors(bio_err);
429                         goto end;
430                         }
431                 if (outfile == NULL)
432                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
433                 else
434                         {
435                         if (BIO_write_filename(out,outfile) <= 0)
436                                 {
437                                 perror(outfile);
438                                 goto end;
439                                 }
440                         }
441                 }
442
443         if (num)
444                 {
445                 for (i=1; i<=num; i++)
446                         {
447                         if (issuer == i)
448                                 {
449                                 X509_NAME_oneline(X509_get_issuer_name(x),
450                                         buf,256);
451                                 BIO_printf(STDout,"issuer= %s\n",buf);
452                                 }
453                         else if (subject == i) 
454                                 {
455                                 X509_NAME_oneline(X509_get_subject_name(x),
456                                         buf,256);
457                                 BIO_printf(STDout,"subject=%s\n",buf);
458                                 }
459                         else if (serial == i)
460                                 {
461                                 BIO_printf(STDout,"serial=");
462                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
463                                 BIO_printf(STDout,"\n");
464                                 }
465                         else if (hash == i)
466                                 {
467                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
468                                 }
469                         else
470 #ifndef NO_RSA
471                                 if (modulus == i)
472                                 {
473                                 EVP_PKEY *pkey;
474
475                                 pkey=X509_get_pubkey(x);
476                                 if (pkey == NULL)
477                                         {
478                                         BIO_printf(bio_err,"Modulus=unavailable\n");
479                                         ERR_print_errors(bio_err);
480                                         goto end;
481                                         }
482                                 BIO_printf(STDout,"Modulus=");
483                                 if (pkey->type == EVP_PKEY_RSA)
484                                         BN_print(STDout,pkey->pkey.rsa->n);
485                                 else
486                                         BIO_printf(STDout,"Wrong Algorithm type");
487                                 BIO_printf(STDout,"\n");
488                                 EVP_PKEY_free(pkey);
489                                 }
490                         else
491 #endif
492                                 if (C == i)
493                                 {
494                                 unsigned char *d;
495                                 char *m;
496                                 int y,z;
497
498                                 X509_NAME_oneline(X509_get_subject_name(x),
499                                         buf,256);
500                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
501                                 m=X509_NAME_oneline(
502                                         X509_get_issuer_name(x),buf,256);
503                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
504
505                                 z=i2d_X509(x,NULL);
506                                 m=Malloc(z);
507
508                                 d=(unsigned char *)m;
509                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
510                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
511                                 d=(unsigned char *)m;
512                                 for (y=0; y<z; y++)
513                                         {
514                                         BIO_printf(STDout,"0x%02X,",d[y]);
515                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
516                                         }
517                                 if (y%16 != 0) BIO_printf(STDout,"\n");
518                                 BIO_printf(STDout,"};\n");
519
520                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
521                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
522                                 d=(unsigned char *)m;
523                                 for (y=0; y<z; y++)
524                                         {
525                                         BIO_printf(STDout,"0x%02X,",d[y]);
526                                         if ((y & 0x0f) == 0x0f)
527                                                 BIO_printf(STDout,"\n");
528                                         }
529                                 if (y%16 != 0) BIO_printf(STDout,"\n");
530                                 BIO_printf(STDout,"};\n");
531
532                                 z=i2d_X509(x,&d);
533                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
534                                 d=(unsigned char *)m;
535                                 for (y=0; y<z; y++)
536                                         {
537                                         BIO_printf(STDout,"0x%02X,",d[y]);
538                                         if ((y & 0x0f) == 0x0f)
539                                                 BIO_printf(STDout,"\n");
540                                         }
541                                 if (y%16 != 0) BIO_printf(STDout,"\n");
542                                 BIO_printf(STDout,"};\n");
543
544                                 Free(m);
545                                 }
546                         else if (text == i)
547                                 {
548                                 X509_print(out,x);
549                                 }
550                         else if (startdate == i)
551                                 {
552                                 BIO_puts(STDout,"notBefore=");
553                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
554                                 BIO_puts(STDout,"\n");
555                                 }
556                         else if (enddate == i)
557                                 {
558                                 BIO_puts(STDout,"notAfter=");
559                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
560                                 BIO_puts(STDout,"\n");
561                                 }
562                         else if (fingerprint == i)
563                                 {
564                                 int j;
565                                 unsigned int n;
566                                 unsigned char md[EVP_MAX_MD_SIZE];
567
568                                 if (!X509_digest(x,EVP_md5(),md,&n))
569                                         {
570                                         BIO_printf(bio_err,"out of memory\n");
571                                         goto end;
572                                         }
573                                 BIO_printf(STDout,"MD5 Fingerprint=");
574                                 for (j=0; j<(int)n; j++)
575                                         {
576                                         BIO_printf(STDout,"%02X%c",md[j],
577                                                 (j+1 == (int)n)
578                                                 ?'\n':':');
579                                         }
580                                 }
581
582                         /* should be in the library */
583                         else if ((sign_flag == i) && (x509req == 0))
584                                 {
585                                 BIO_printf(bio_err,"Getting Private key\n");
586                                 if (Upkey == NULL)
587                                         {
588                                         Upkey=load_key(keyfile,keyformat);
589                                         if (Upkey == NULL) goto end;
590                                         }
591 #ifndef NO_DSA
592                                 if (Upkey->type == EVP_PKEY_DSA)
593                                         digest=EVP_dss1();
594 #endif
595
596                                 if (!sign(x,Upkey,days,digest)) goto end;
597                                 }
598                         else if (CA_flag == i)
599                                 {
600                                 BIO_printf(bio_err,"Getting CA Private Key\n");
601                                 if (CAkeyfile != NULL)
602                                         {
603                                         CApkey=load_key(CAkeyfile,CAkeyformat);
604                                         if (CApkey == NULL) goto end;
605                                         }
606 #ifndef NO_DSA
607                                 if (CApkey->type == EVP_PKEY_DSA)
608                                         digest=EVP_dss1();
609 #endif
610                                 
611                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
612                                         CApkey,
613                                         CAserial,CA_createserial,days))
614                                         goto end;
615                                 }
616                         else if (x509req == i)
617                                 {
618                                 EVP_PKEY *pk;
619
620                                 BIO_printf(bio_err,"Getting request Private Key\n");
621                                 if (keyfile == NULL)
622                                         {
623                                         BIO_printf(bio_err,"no request key file specified\n");
624                                         goto end;
625                                         }
626                                 else
627                                         {
628                                         pk=load_key(keyfile,FORMAT_PEM);
629                                         if (pk == NULL) goto end;
630                                         }
631
632                                 BIO_printf(bio_err,"Generating certificate request\n");
633
634                                 rq=X509_to_X509_REQ(x,pk,EVP_md5());
635                                 EVP_PKEY_free(pk);
636                                 if (rq == NULL)
637                                         {
638                                         ERR_print_errors(bio_err);
639                                         goto end;
640                                         }
641                                 if (!noout)
642                                         {
643                                         X509_REQ_print(out,rq);
644                                         PEM_write_bio_X509_REQ(out,rq);
645                                         }
646                                 noout=1;
647                                 }
648                         }
649                 }
650
651         if (noout)
652                 {
653                 ret=0;
654                 goto end;
655                 }
656
657         if      (outformat == FORMAT_ASN1)
658                 i=i2d_X509_bio(out,x);
659         else if (outformat == FORMAT_PEM)
660                 i=PEM_write_bio_X509(out,x);
661         else if (outformat == FORMAT_NETSCAPE)
662                 {
663                 ASN1_HEADER ah;
664                 ASN1_OCTET_STRING os;
665
666                 os.data=(unsigned char *)CERT_HDR;
667                 os.length=strlen(CERT_HDR);
668                 ah.header= &os;
669                 ah.data=(char *)x;
670                 ah.meth=X509_asn1_meth();
671
672                 /* no macro for this one yet */
673                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
674                 }
675         else    {
676                 BIO_printf(bio_err,"bad output format specified for outfile\n");
677                 goto end;
678                 }
679         if (!i) {
680                 BIO_printf(bio_err,"unable to write certificate\n");
681                 ERR_print_errors(bio_err);
682                 goto end;
683                 }
684         ret=0;
685 end:
686         OBJ_cleanup();
687         if (out != NULL) BIO_free(out);
688         if (STDout != NULL) BIO_free(STDout);
689         if (ctx != NULL) X509_STORE_free(ctx);
690         if (req != NULL) X509_REQ_free(req);
691         if (x != NULL) X509_free(x);
692         if (xca != NULL) X509_free(xca);
693         if (Upkey != NULL) EVP_PKEY_free(Upkey);
694         if (CApkey != NULL) EVP_PKEY_free(CApkey);
695         if (rq != NULL) X509_REQ_free(rq);
696         X509v3_cleanup_extensions();
697         EXIT(ret);
698         }
699
700 static int x509_certify(ctx,CAfile,digest,x,xca,pkey,serialfile,create,days)
701 X509_STORE *ctx;
702 char *CAfile;
703 EVP_MD *digest;
704 X509 *x;
705 X509 *xca;
706 EVP_PKEY *pkey;
707 char *serialfile;
708 int create;
709 int days;
710         {
711         int ret=0;
712         BIO *io=NULL;
713         MS_STATIC char buf2[1024];
714         char *buf=NULL,*p;
715         BIGNUM *serial=NULL;
716         ASN1_INTEGER *bs=NULL,bs2;
717         X509_STORE_CTX xsc;
718         EVP_PKEY *upkey;
719
720         upkey = X509_get_pubkey(xca);
721         EVP_PKEY_copy_parameters(upkey,pkey);
722         EVP_PKEY_free(upkey);
723
724         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
725         buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
726                 ((serialfile == NULL)
727                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
728                         :(strlen(serialfile)))+1);
729         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
730         if (serialfile == NULL)
731                 {
732                 strcpy(buf,CAfile);
733                 for (p=buf; *p; p++)
734                         if (*p == '.')
735                                 {
736                                 *p='\0';
737                                 break;
738                                 }
739                 strcat(buf,POSTFIX);
740                 }
741         else
742                 strcpy(buf,serialfile);
743         serial=BN_new();
744         bs=ASN1_INTEGER_new();
745         if ((serial == NULL) || (bs == NULL))
746                 {
747                 ERR_print_errors(bio_err);
748                 goto end;
749                 }
750
751         io=BIO_new(BIO_s_file());
752         if (io == NULL)
753                 {
754                 ERR_print_errors(bio_err);
755                 goto end;
756                 }
757         
758         if (BIO_read_filename(io,buf) <= 0)
759                 {
760                 if (!create)
761                         {
762                         perror(buf);
763                         goto end;
764                         }
765                 else
766                         {
767                         ASN1_INTEGER_set(bs,0);
768                         BN_zero(serial);
769                         }
770                 }
771         else 
772                 {
773                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
774                         {
775                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
776                         ERR_print_errors(bio_err);
777                         goto end;
778                         }
779                 else
780                         {
781                         serial=BN_bin2bn(bs->data,bs->length,serial);
782                         if (serial == NULL)
783                                 {
784                                 BIO_printf(bio_err,"error converting bin 2 bn");
785                                 goto end;
786                                 }
787                         }
788                 }
789
790         if (!BN_add_word(serial,1))
791                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
792         bs2.data=(unsigned char *)buf2;
793         bs2.length=BN_bn2bin(serial,bs2.data);
794
795         if (BIO_write_filename(io,buf) <= 0)
796                 {
797                 BIO_printf(bio_err,"error attempting to write serial number file\n");
798                 perror(buf);
799                 goto end;
800                 }
801         i2a_ASN1_INTEGER(io,&bs2);
802         BIO_puts(io,"\n");
803         BIO_free(io);
804         io=NULL;
805         
806         if (!X509_STORE_add_cert(ctx,x)) goto end;
807
808         /* NOTE: this certificate can/should be self signed, unless it was
809          * a certificate request in which case it is not. */
810         X509_STORE_CTX_set_cert(&xsc,x);
811         if (!reqfile && !X509_verify_cert(&xsc))
812                 goto end;
813
814         if (!X509_check_private_key(xca,pkey))
815                 {
816                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
817                 goto end;
818                 }
819
820         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
821         if (!X509_set_serialNumber(x,bs)) goto end;
822
823         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
824                 goto end;
825
826         /* hardwired expired */
827         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
828                 goto end;
829
830         /* don't save DSA parameters in child if parent has them
831          * and the parents and the childs are the same. */
832         upkey=X509_get_pubkey(x);
833         if (!EVP_PKEY_missing_parameters(pkey) &&
834                 (EVP_PKEY_cmp_parameters(pkey,upkey) == 0))
835                 {
836                 EVP_PKEY_save_parameters(upkey,0);
837                 /* Force a re-write */
838                 X509_set_pubkey(x,upkey);
839                 }
840         EVP_PKEY_free(upkey);
841
842         if (!X509_sign(x,pkey,digest)) goto end;
843         ret=1;
844 end:
845         X509_STORE_CTX_cleanup(&xsc);
846         if (!ret)
847                 ERR_print_errors(bio_err);
848         if (buf != NULL) Free(buf);
849         if (bs != NULL) ASN1_INTEGER_free(bs);
850         if (io != NULL) BIO_free(io);
851         if (serial != NULL) BN_free(serial);
852         return(ret);
853         }
854
855 static int MS_CALLBACK callb(ok, ctx)
856 int ok;
857 X509_STORE_CTX *ctx;
858         {
859         char buf[256];
860         int err;
861         X509 *err_cert;
862
863         /* it is ok to use a self signed certificate
864          * This case will catch both the initial ok == 0 and the
865          * final ok == 1 calls to this function */
866         err=X509_STORE_CTX_get_error(ctx);
867         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
868                 return(1);
869
870         /* BAD we should have gotten an error.  Normally if everything
871          * worked X509_STORE_CTX_get_error(ctx) will still be set to
872          * DEPTH_ZERO_SELF_.... */
873         if (ok)
874                 {
875                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
876                 return(0);
877                 }
878         else
879                 {
880                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
881                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
882                 BIO_printf(bio_err,"%s\n",buf);
883                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
884                         err,X509_STORE_CTX_get_error_depth(ctx),
885                         X509_verify_cert_error_string(err));
886                 return(1);
887                 }
888         }
889
890 static EVP_PKEY *load_key(file, format)
891 char *file;
892 int format;
893         {
894         BIO *key=NULL;
895         EVP_PKEY *pkey=NULL;
896
897         if (file == NULL)
898                 {
899                 BIO_printf(bio_err,"no keyfile specified\n");
900                 goto end;
901                 }
902         key=BIO_new(BIO_s_file());
903         if (key == NULL)
904                 {
905                 ERR_print_errors(bio_err);
906                 goto end;
907                 }
908         if (BIO_read_filename(key,file) <= 0)
909                 {
910                 perror(file);
911                 goto end;
912                 }
913 #ifndef NO_RSA
914         if      (format == FORMAT_ASN1)
915                 {
916                 RSA *rsa;
917
918                 rsa=d2i_RSAPrivateKey_bio(key,NULL);
919                 if (rsa != NULL)
920                         {
921                         if ((pkey=EVP_PKEY_new()) != NULL)
922                                 EVP_PKEY_assign_RSA(pkey,rsa);
923                         else
924                                 RSA_free(rsa);
925                         }
926                 }
927         else
928 #endif
929                 if (format == FORMAT_PEM)
930                 {
931                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL);
932                 }
933         else
934                 {
935                 BIO_printf(bio_err,"bad input format specified for key\n");
936                 goto end;
937                 }
938 end:
939         if (key != NULL) BIO_free(key);
940         if (pkey == NULL)
941                 BIO_printf(bio_err,"unable to load Private Key\n");
942         return(pkey);
943         }
944
945 static X509 *load_cert(file, format)
946 char *file;
947 int format;
948         {
949         ASN1_HEADER *ah=NULL;
950         BUF_MEM *buf=NULL;
951         X509 *x=NULL;
952         BIO *cert;
953
954         if ((cert=BIO_new(BIO_s_file())) == NULL)
955                 {
956                 ERR_print_errors(bio_err);
957                 goto end;
958                 }
959
960         if (file == NULL)
961                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
962         else
963                 {
964                 if (BIO_read_filename(cert,file) <= 0)
965                         {
966                         perror(file);
967                         goto end;
968                         }
969                 }
970         if      (format == FORMAT_ASN1)
971                 x=d2i_X509_bio(cert,NULL);
972         else if (format == FORMAT_NETSCAPE)
973                 {
974                 unsigned char *p,*op;
975                 int size=0,i;
976
977                 /* We sort of have to do it this way because it is sort of nice
978                  * to read the header first and check it, then
979                  * try to read the certificate */
980                 buf=BUF_MEM_new();
981                 for (;;)
982                         {
983                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
984                                 goto end;
985                         i=BIO_read(cert,&(buf->data[size]),1024*10);
986                         size+=i;
987                         if (i == 0) break;
988                         if (i < 0)
989                                 {
990                                 perror("reading certificate");
991                                 goto end;
992                                 }
993                         }
994                 p=(unsigned char *)buf->data;
995                 op=p;
996
997                 /* First load the header */
998                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
999                         goto end;
1000                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1001                         (strncmp(CERT_HDR,(char *)ah->header->data,
1002                         ah->header->length) != 0))
1003                         {
1004                         BIO_printf(bio_err,"Error reading header on certificate\n");
1005                         goto end;
1006                         }
1007                 /* header is ok, so now read the object */
1008                 p=op;
1009                 ah->meth=X509_asn1_meth();
1010                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1011                         goto end;
1012                 x=(X509 *)ah->data;
1013                 ah->data=NULL;
1014                 }
1015         else if (format == FORMAT_PEM)
1016                 x=PEM_read_bio_X509(cert,NULL,NULL);
1017         else    {
1018                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1019                 goto end;
1020                 }
1021 end:
1022         if (x == NULL)
1023                 {
1024                 BIO_printf(bio_err,"unable to load certificate\n");
1025                 ERR_print_errors(bio_err);
1026                 }
1027         if (ah != NULL) ASN1_HEADER_free(ah);
1028         if (cert != NULL) BIO_free(cert);
1029         if (buf != NULL) BUF_MEM_free(buf);
1030         return(x);
1031         }
1032
1033 /* self sign */
1034 static int sign(x, pkey, days, digest)
1035 X509 *x;
1036 EVP_PKEY *pkey;
1037 int days;
1038 EVP_MD *digest;
1039         {
1040
1041         EVP_PKEY *pktmp;
1042
1043         pktmp = X509_get_pubkey(x);
1044         EVP_PKEY_copy_parameters(pktmp,pkey);
1045         EVP_PKEY_save_parameters(pktmp,1);
1046         EVP_PKEY_free(pktmp);
1047
1048         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1049         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1050
1051         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1052         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1053         /* 28 days to be certified */
1054
1055         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1056                 goto err;
1057
1058         if (!X509_set_pubkey(x,pkey)) goto err;
1059         if (!X509_sign(x,pkey,digest)) goto err;
1060         return(1);
1061 err:
1062         ERR_print_errors(bio_err);
1063         return(0);
1064         }