71af49f7f53eee7a87f6415a181668af517e327a
[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                 X509_set_pubkey(x,X509_REQ_get_pubkey(req));
406 #endif
407                 }
408         else
409                 x=load_cert(infile,informat);
410
411         if (x == NULL) goto end;
412         if (CA_flag)
413                 {
414                 xca=load_cert(CAfile,CAformat);
415                 if (xca == NULL) goto end;
416                 }
417
418         if (!noout || text)
419                 {
420                 OBJ_create("2.99999.3",
421                         "SET.ex3","SET x509v3 extension 3");
422
423                 out=BIO_new(BIO_s_file());
424                 if (out == NULL)
425                         {
426                         ERR_print_errors(bio_err);
427                         goto end;
428                         }
429                 if (outfile == NULL)
430                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
431                 else
432                         {
433                         if (BIO_write_filename(out,outfile) <= 0)
434                                 {
435                                 perror(outfile);
436                                 goto end;
437                                 }
438                         }
439                 }
440
441         if (num)
442                 {
443                 for (i=1; i<=num; i++)
444                         {
445                         if (issuer == i)
446                                 {
447                                 X509_NAME_oneline(X509_get_issuer_name(x),
448                                         buf,256);
449                                 BIO_printf(STDout,"issuer= %s\n",buf);
450                                 }
451                         else if (subject == i) 
452                                 {
453                                 X509_NAME_oneline(X509_get_subject_name(x),
454                                         buf,256);
455                                 BIO_printf(STDout,"subject=%s\n",buf);
456                                 }
457                         else if (serial == i)
458                                 {
459                                 BIO_printf(STDout,"serial=");
460                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
461                                 BIO_printf(STDout,"\n");
462                                 }
463                         else if (hash == i)
464                                 {
465                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
466                                 }
467                         else
468 #ifndef NO_RSA
469                                 if (modulus == i)
470                                 {
471                                 EVP_PKEY *pkey;
472
473                                 pkey=X509_get_pubkey(x);
474                                 if (pkey == NULL)
475                                         {
476                                         BIO_printf(bio_err,"Modulus=unavailable\n");
477                                         ERR_print_errors(bio_err);
478                                         goto end;
479                                         }
480                                 BIO_printf(STDout,"Modulus=");
481                                 if (pkey->type == EVP_PKEY_RSA)
482                                         BN_print(STDout,pkey->pkey.rsa->n);
483                                 else
484                                         BIO_printf(STDout,"Wrong Algorithm type");
485                                 BIO_printf(STDout,"\n");
486                                 EVP_PKEY_free(pkey);
487                                 }
488                         else
489 #endif
490                                 if (C == i)
491                                 {
492                                 unsigned char *d;
493                                 char *m;
494                                 int y,z;
495
496                                 X509_NAME_oneline(X509_get_subject_name(x),
497                                         buf,256);
498                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
499                                 m=X509_NAME_oneline(
500                                         X509_get_issuer_name(x),buf,256);
501                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
502
503                                 z=i2d_X509(x,NULL);
504                                 m=Malloc(z);
505
506                                 d=(unsigned char *)m;
507                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
508                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
509                                 d=(unsigned char *)m;
510                                 for (y=0; y<z; y++)
511                                         {
512                                         BIO_printf(STDout,"0x%02X,",d[y]);
513                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
514                                         }
515                                 if (y%16 != 0) BIO_printf(STDout,"\n");
516                                 BIO_printf(STDout,"};\n");
517
518                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
519                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
520                                 d=(unsigned char *)m;
521                                 for (y=0; y<z; y++)
522                                         {
523                                         BIO_printf(STDout,"0x%02X,",d[y]);
524                                         if ((y & 0x0f) == 0x0f)
525                                                 BIO_printf(STDout,"\n");
526                                         }
527                                 if (y%16 != 0) BIO_printf(STDout,"\n");
528                                 BIO_printf(STDout,"};\n");
529
530                                 z=i2d_X509(x,&d);
531                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
532                                 d=(unsigned char *)m;
533                                 for (y=0; y<z; y++)
534                                         {
535                                         BIO_printf(STDout,"0x%02X,",d[y]);
536                                         if ((y & 0x0f) == 0x0f)
537                                                 BIO_printf(STDout,"\n");
538                                         }
539                                 if (y%16 != 0) BIO_printf(STDout,"\n");
540                                 BIO_printf(STDout,"};\n");
541
542                                 Free(m);
543                                 }
544                         else if (text == i)
545                                 {
546                                 X509_print(out,x);
547                                 }
548                         else if (startdate == i)
549                                 {
550                                 BIO_puts(STDout,"notBefore=");
551                                 ASN1_UTCTIME_print(STDout,X509_get_notBefore(x));
552                                 BIO_puts(STDout,"\n");
553                                 }
554                         else if (enddate == i)
555                                 {
556                                 BIO_puts(STDout,"notAfter=");
557                                 ASN1_UTCTIME_print(STDout,X509_get_notAfter(x));
558                                 BIO_puts(STDout,"\n");
559                                 }
560                         else if (fingerprint == i)
561                                 {
562                                 int j;
563                                 unsigned int n;
564                                 unsigned char md[EVP_MAX_MD_SIZE];
565
566                                 if (!X509_digest(x,EVP_md5(),md,&n))
567                                         {
568                                         BIO_printf(bio_err,"out of memory\n");
569                                         goto end;
570                                         }
571                                 BIO_printf(STDout,"MD5 Fingerprint=");
572                                 for (j=0; j<(int)n; j++)
573                                         {
574                                         BIO_printf(STDout,"%02X%c",md[j],
575                                                 (j+1 == (int)n)
576                                                 ?'\n':':');
577                                         }
578                                 }
579
580                         /* should be in the library */
581                         else if ((sign_flag == i) && (x509req == 0))
582                                 {
583                                 BIO_printf(bio_err,"Getting Private key\n");
584                                 if (Upkey == NULL)
585                                         {
586                                         Upkey=load_key(keyfile,keyformat);
587                                         if (Upkey == NULL) goto end;
588                                         }
589 #ifndef NO_DSA
590                                 if (Upkey->type == EVP_PKEY_DSA)
591                                         digest=EVP_dss1();
592 #endif
593
594                                 if (!sign(x,Upkey,days,digest)) goto end;
595                                 }
596                         else if (CA_flag == i)
597                                 {
598                                 BIO_printf(bio_err,"Getting CA Private Key\n");
599                                 if (CAkeyfile != NULL)
600                                         {
601                                         CApkey=load_key(CAkeyfile,CAkeyformat);
602                                         if (CApkey == NULL) goto end;
603                                         }
604 #ifndef NO_DSA
605                                 if (CApkey->type == EVP_PKEY_DSA)
606                                         digest=EVP_dss1();
607 #endif
608                                 
609                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
610                                         CApkey,
611                                         CAserial,CA_createserial,days))
612                                         goto end;
613                                 }
614                         else if (x509req == i)
615                                 {
616                                 EVP_PKEY *pk;
617
618                                 BIO_printf(bio_err,"Getting request Private Key\n");
619                                 if (keyfile == NULL)
620                                         {
621                                         BIO_printf(bio_err,"no request key file specified\n");
622                                         goto end;
623                                         }
624                                 else
625                                         {
626                                         pk=load_key(keyfile,FORMAT_PEM);
627                                         if (pk == NULL) goto end;
628                                         }
629
630                                 BIO_printf(bio_err,"Generating certificate request\n");
631
632                                 rq=X509_to_X509_REQ(x,pk,EVP_md5());
633                                 EVP_PKEY_free(pk);
634                                 if (rq == NULL)
635                                         {
636                                         ERR_print_errors(bio_err);
637                                         goto end;
638                                         }
639                                 if (!noout)
640                                         {
641                                         X509_REQ_print(out,rq);
642                                         PEM_write_bio_X509_REQ(out,rq);
643                                         }
644                                 noout=1;
645                                 }
646                         }
647                 }
648
649         if (noout)
650                 {
651                 ret=0;
652                 goto end;
653                 }
654
655         if      (outformat == FORMAT_ASN1)
656                 i=i2d_X509_bio(out,x);
657         else if (outformat == FORMAT_PEM)
658                 i=PEM_write_bio_X509(out,x);
659         else if (outformat == FORMAT_NETSCAPE)
660                 {
661                 ASN1_HEADER ah;
662                 ASN1_OCTET_STRING os;
663
664                 os.data=(unsigned char *)CERT_HDR;
665                 os.length=strlen(CERT_HDR);
666                 ah.header= &os;
667                 ah.data=(char *)x;
668                 ah.meth=X509_asn1_meth();
669
670                 /* no macro for this one yet */
671                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
672                 }
673         else    {
674                 BIO_printf(bio_err,"bad output format specified for outfile\n");
675                 goto end;
676                 }
677         if (!i) {
678                 BIO_printf(bio_err,"unable to write certificate\n");
679                 ERR_print_errors(bio_err);
680                 goto end;
681                 }
682         ret=0;
683 end:
684         OBJ_cleanup();
685         if (out != NULL) BIO_free(out);
686         if (STDout != NULL) BIO_free(STDout);
687         if (ctx != NULL) X509_STORE_free(ctx);
688         if (req != NULL) X509_REQ_free(req);
689         if (x != NULL) X509_free(x);
690         if (xca != NULL) X509_free(xca);
691         if (Upkey != NULL) EVP_PKEY_free(Upkey);
692         if (CApkey != NULL) EVP_PKEY_free(CApkey);
693         if (rq != NULL) X509_REQ_free(rq);
694         X509v3_cleanup_extensions();
695         EXIT(ret);
696         }
697
698 static int x509_certify(ctx,CAfile,digest,x,xca,pkey,serialfile,create,days)
699 X509_STORE *ctx;
700 char *CAfile;
701 EVP_MD *digest;
702 X509 *x;
703 X509 *xca;
704 EVP_PKEY *pkey;
705 char *serialfile;
706 int create;
707 int days;
708         {
709         int ret=0;
710         BIO *io=NULL;
711         MS_STATIC char buf2[1024];
712         char *buf=NULL,*p;
713         BIGNUM *serial=NULL;
714         ASN1_INTEGER *bs=NULL,bs2;
715         X509_STORE_CTX xsc;
716         EVP_PKEY *upkey;
717
718         EVP_PKEY_copy_parameters(X509_get_pubkey(xca),pkey);
719
720         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
721         buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
722                 ((serialfile == NULL)
723                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
724                         :(strlen(serialfile)))+1);
725         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
726         if (serialfile == NULL)
727                 {
728                 strcpy(buf,CAfile);
729                 for (p=buf; *p; p++)
730                         if (*p == '.')
731                                 {
732                                 *p='\0';
733                                 break;
734                                 }
735                 strcat(buf,POSTFIX);
736                 }
737         else
738                 strcpy(buf,serialfile);
739         serial=BN_new();
740         bs=ASN1_INTEGER_new();
741         if ((serial == NULL) || (bs == NULL))
742                 {
743                 ERR_print_errors(bio_err);
744                 goto end;
745                 }
746
747         io=BIO_new(BIO_s_file());
748         if (io == NULL)
749                 {
750                 ERR_print_errors(bio_err);
751                 goto end;
752                 }
753         
754         if (BIO_read_filename(io,buf) <= 0)
755                 {
756                 if (!create)
757                         {
758                         perror(buf);
759                         goto end;
760                         }
761                 else
762                         {
763                         ASN1_INTEGER_set(bs,0);
764                         BN_zero(serial);
765                         }
766                 }
767         else 
768                 {
769                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
770                         {
771                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
772                         ERR_print_errors(bio_err);
773                         goto end;
774                         }
775                 else
776                         {
777                         serial=BN_bin2bn(bs->data,bs->length,serial);
778                         if (serial == NULL)
779                                 {
780                                 BIO_printf(bio_err,"error converting bin 2 bn");
781                                 goto end;
782                                 }
783                         }
784                 }
785
786         if (!BN_add_word(serial,1))
787                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
788         bs2.data=(unsigned char *)buf2;
789         bs2.length=BN_bn2bin(serial,bs2.data);
790
791         if (BIO_write_filename(io,buf) <= 0)
792                 {
793                 BIO_printf(bio_err,"error attempting to write serial number file\n");
794                 perror(buf);
795                 goto end;
796                 }
797         i2a_ASN1_INTEGER(io,&bs2);
798         BIO_puts(io,"\n");
799         BIO_free(io);
800         io=NULL;
801         
802         if (!X509_STORE_add_cert(ctx,x)) goto end;
803
804         /* NOTE: this certificate can/should be self signed, unless it was
805          * a certificate request in which case it is not. */
806         X509_STORE_CTX_set_cert(&xsc,x);
807         if (!reqfile && !X509_verify_cert(&xsc))
808                 goto end;
809
810         if (!X509_check_private_key(xca,pkey))
811                 {
812                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
813                 goto end;
814                 }
815
816         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
817         if (!X509_set_serialNumber(x,bs)) goto end;
818
819         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
820                 goto end;
821
822         /* hardwired expired */
823         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
824                 goto end;
825
826         /* don't save DSA parameters in child if parent has them
827          * and the parents and the childs are the same. */
828         upkey=X509_get_pubkey(x);
829         if (!EVP_PKEY_missing_parameters(pkey) &&
830                 (EVP_PKEY_cmp_parameters(pkey,upkey) == 0))
831                 {
832                 EVP_PKEY_save_parameters(upkey,0);
833                 /* Force a re-write */
834                 X509_set_pubkey(x,upkey);
835                 }
836
837         if (!X509_sign(x,pkey,digest)) goto end;
838         ret=1;
839 end:
840         X509_STORE_CTX_cleanup(&xsc);
841         if (!ret)
842                 ERR_print_errors(bio_err);
843         if (buf != NULL) Free(buf);
844         if (bs != NULL) ASN1_INTEGER_free(bs);
845         if (io != NULL) BIO_free(io);
846         if (serial != NULL) BN_free(serial);
847         return(ret);
848         }
849
850 static int MS_CALLBACK callb(ok, ctx)
851 int ok;
852 X509_STORE_CTX *ctx;
853         {
854         char buf[256];
855         int err;
856         X509 *err_cert;
857
858         /* it is ok to use a self signed certificate
859          * This case will catch both the initial ok == 0 and the
860          * final ok == 1 calls to this function */
861         err=X509_STORE_CTX_get_error(ctx);
862         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
863                 return(1);
864
865         /* BAD we should have gotten an error.  Normally if everything
866          * worked X509_STORE_CTX_get_error(ctx) will still be set to
867          * DEPTH_ZERO_SELF_.... */
868         if (ok)
869                 {
870                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
871                 return(0);
872                 }
873         else
874                 {
875                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
876                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
877                 BIO_printf(bio_err,"%s\n",buf);
878                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
879                         err,X509_STORE_CTX_get_error_depth(ctx),
880                         X509_verify_cert_error_string(err));
881                 return(1);
882                 }
883         }
884
885 static EVP_PKEY *load_key(file, format)
886 char *file;
887 int format;
888         {
889         BIO *key=NULL;
890         EVP_PKEY *pkey=NULL;
891
892         if (file == NULL)
893                 {
894                 BIO_printf(bio_err,"no keyfile specified\n");
895                 goto end;
896                 }
897         key=BIO_new(BIO_s_file());
898         if (key == NULL)
899                 {
900                 ERR_print_errors(bio_err);
901                 goto end;
902                 }
903         if (BIO_read_filename(key,file) <= 0)
904                 {
905                 perror(file);
906                 goto end;
907                 }
908 #ifndef NO_RSA
909         if      (format == FORMAT_ASN1)
910                 {
911                 RSA *rsa;
912
913                 rsa=d2i_RSAPrivateKey_bio(key,NULL);
914                 if (rsa != NULL)
915                         {
916                         if ((pkey=EVP_PKEY_new()) != NULL)
917                                 EVP_PKEY_assign_RSA(pkey,rsa);
918                         else
919                                 RSA_free(rsa);
920                         }
921                 }
922         else
923 #endif
924                 if (format == FORMAT_PEM)
925                 {
926                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL);
927                 }
928         else
929                 {
930                 BIO_printf(bio_err,"bad input format specified for key\n");
931                 goto end;
932                 }
933 end:
934         if (key != NULL) BIO_free(key);
935         if (pkey == NULL)
936                 BIO_printf(bio_err,"unable to load Private Key\n");
937         return(pkey);
938         }
939
940 static X509 *load_cert(file, format)
941 char *file;
942 int format;
943         {
944         ASN1_HEADER *ah=NULL;
945         BUF_MEM *buf=NULL;
946         X509 *x=NULL;
947         BIO *cert;
948
949         if ((cert=BIO_new(BIO_s_file())) == NULL)
950                 {
951                 ERR_print_errors(bio_err);
952                 goto end;
953                 }
954
955         if (file == NULL)
956                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
957         else
958                 {
959                 if (BIO_read_filename(cert,file) <= 0)
960                         {
961                         perror(file);
962                         goto end;
963                         }
964                 }
965         if      (format == FORMAT_ASN1)
966                 x=d2i_X509_bio(cert,NULL);
967         else if (format == FORMAT_NETSCAPE)
968                 {
969                 unsigned char *p,*op;
970                 int size=0,i;
971
972                 /* We sort of have to do it this way because it is sort of nice
973                  * to read the header first and check it, then
974                  * try to read the certificate */
975                 buf=BUF_MEM_new();
976                 for (;;)
977                         {
978                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
979                                 goto end;
980                         i=BIO_read(cert,&(buf->data[size]),1024*10);
981                         size+=i;
982                         if (i == 0) break;
983                         if (i < 0)
984                                 {
985                                 perror("reading certificate");
986                                 goto end;
987                                 }
988                         }
989                 p=(unsigned char *)buf->data;
990                 op=p;
991
992                 /* First load the header */
993                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
994                         goto end;
995                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
996                         (strncmp(CERT_HDR,(char *)ah->header->data,
997                         ah->header->length) != 0))
998                         {
999                         BIO_printf(bio_err,"Error reading header on certificate\n");
1000                         goto end;
1001                         }
1002                 /* header is ok, so now read the object */
1003                 p=op;
1004                 ah->meth=X509_asn1_meth();
1005                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1006                         goto end;
1007                 x=(X509 *)ah->data;
1008                 ah->data=NULL;
1009                 }
1010         else if (format == FORMAT_PEM)
1011                 x=PEM_read_bio_X509(cert,NULL,NULL);
1012         else    {
1013                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1014                 goto end;
1015                 }
1016 end:
1017         if (x == NULL)
1018                 {
1019                 BIO_printf(bio_err,"unable to load certificate\n");
1020                 ERR_print_errors(bio_err);
1021                 }
1022         if (ah != NULL) ASN1_HEADER_free(ah);
1023         if (cert != NULL) BIO_free(cert);
1024         if (buf != NULL) BUF_MEM_free(buf);
1025         return(x);
1026         }
1027
1028 /* self sign */
1029 static int sign(x, pkey, days, digest)
1030 X509 *x;
1031 EVP_PKEY *pkey;
1032 int days;
1033 EVP_MD *digest;
1034         {
1035
1036         EVP_PKEY_copy_parameters(X509_get_pubkey(x),pkey);
1037         EVP_PKEY_save_parameters(X509_get_pubkey(x),1);
1038
1039         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1040         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1041
1042         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1043         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1044         /* 28 days to be certified */
1045
1046         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1047                 goto err;
1048
1049         if (!X509_set_pubkey(x,pkey)) goto err;
1050         if (!X509_sign(x,pkey,digest)) goto err;
1051         return(1);
1052 err:
1053         ERR_print_errors(bio_err);
1054         return(0);
1055         }