Update scripts to use "openssl" instead of "ssleay"
[openssl.git] / apps / req.c
1 /* apps/req.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 <time.h>
62 #include <string.h>
63 #ifdef NO_STDIO
64 #define APPS_WIN16
65 #endif
66 #include "apps.h"
67 #include "bio.h"
68 #include "evp.h"
69 #include "rand.h"
70 #include "conf.h"
71 #include "err.h"
72 #include "asn1.h"
73 #include "x509.h"
74 #include "objects.h"
75 #include "pem.h"
76
77 #define SECTION         "req"
78
79 #define BITS            "default_bits"
80 #define KEYFILE         "default_keyfile"
81 #define DISTINGUISHED_NAME      "distinguished_name"
82 #define ATTRIBUTES      "attributes"
83
84 #define DEFAULT_KEY_LENGTH      512
85 #define MIN_KEY_LENGTH          384
86
87 #undef PROG
88 #define PROG    req_main
89
90 /* -inform arg  - input format - default PEM (one of DER, TXT or PEM)
91  * -outform arg - output format - default PEM
92  * -in arg      - input file - default stdin
93  * -out arg     - output file - default stdout
94  * -verify      - check request signature
95  * -noout       - don't print stuff out.
96  * -text        - print out human readable text.
97  * -nodes       - no des encryption
98  * -config file - Load configuration file.
99  * -key file    - make a request using key in file (or use it for verification).
100  * -keyform     - key file format.
101  * -newkey      - make a key and a request.
102  * -modulus     - print RSA modulus.
103  * -x509        - output a self signed X509 structure instead.
104  * -asn1-kludge - output new certificate request in a format that some CA's
105  *                require.  This format is wrong
106  */
107
108 #ifndef NOPROTO
109 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
110 static int add_attribute_object(STACK *n, char *text, char *def, 
111         char *value, int nid,int min,int max);
112 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
113         int nid,int min,int max);
114 static void MS_CALLBACK req_cb(int p,int n,char *arg);
115 static int req_fix_data(int nid,int *type,int len,int min,int max);
116 #else
117 static int make_REQ();
118 static int add_attribute_object();
119 static int add_DN_object();
120 static void MS_CALLBACK req_cb();
121 static int req_fix_data();
122 #endif
123
124 #ifndef MONOLITH
125 static char *default_config_file=NULL;
126 static LHASH *config=NULL;
127 #endif
128 static LHASH *req_conf=NULL;
129
130 #define TYPE_RSA        1
131 #define TYPE_DSA        2
132 #define TYPE_DH         3
133
134 int MAIN(argc, argv)
135 int argc;
136 char **argv;
137         {
138 #ifndef NO_DSA
139         DSA *dsa_params=NULL;
140 #endif
141         int ex=1,x509=0,days=30;
142         X509 *x509ss=NULL;
143         X509_REQ *req=NULL;
144         EVP_PKEY *pkey=NULL;
145         int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
146         BIO *in=NULL,*out=NULL;
147         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
148         int nodes=0,kludge=0;
149         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
150         EVP_CIPHER *cipher=NULL;
151         int modulus=0;
152         char *p;
153         EVP_MD *md_alg=NULL,*digest=EVP_md5();
154 #ifndef MONOLITH
155         MS_STATIC char config_name[256];
156 #endif
157
158 #ifndef NO_DES
159         cipher=EVP_des_ede3_cbc();
160 #endif
161         apps_startup();
162
163         if (bio_err == NULL)
164                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
165                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
166
167         infile=NULL;
168         outfile=NULL;
169         informat=FORMAT_PEM;
170         outformat=FORMAT_PEM;
171
172         prog=argv[0];
173         argc--;
174         argv++;
175         while (argc >= 1)
176                 {
177                 if      (strcmp(*argv,"-inform") == 0)
178                         {
179                         if (--argc < 1) goto bad;
180                         informat=str2fmt(*(++argv));
181                         }
182                 else if (strcmp(*argv,"-outform") == 0)
183                         {
184                         if (--argc < 1) goto bad;
185                         outformat=str2fmt(*(++argv));
186                         }
187                 else if (strcmp(*argv,"-key") == 0)
188                         {
189                         if (--argc < 1) goto bad;
190                         keyfile= *(++argv);
191                         }
192                 else if (strcmp(*argv,"-new") == 0)
193                         {
194                         pkey_type=TYPE_RSA;
195                         newreq=1;
196                         }
197                 else if (strcmp(*argv,"-config") == 0)
198                         {       
199                         if (--argc < 1) goto bad;
200                         template= *(++argv);
201                         }
202                 else if (strcmp(*argv,"-keyform") == 0)
203                         {
204                         if (--argc < 1) goto bad;
205                         keyform=str2fmt(*(++argv));
206                         }
207                 else if (strcmp(*argv,"-in") == 0)
208                         {
209                         if (--argc < 1) goto bad;
210                         infile= *(++argv);
211                         }
212                 else if (strcmp(*argv,"-out") == 0)
213                         {
214                         if (--argc < 1) goto bad;
215                         outfile= *(++argv);
216                         }
217                 else if (strcmp(*argv,"-keyout") == 0)
218                         {
219                         if (--argc < 1) goto bad;
220                         keyout= *(++argv);
221                         }
222                 else if (strcmp(*argv,"-newkey") == 0)
223                         {
224                         if (--argc < 1) goto bad;
225                         p= *(++argv);
226                         if ((strncmp("rsa:",p,4) == 0) ||
227                                 ((p[0] >= '0') && (p[0] <= '9')))
228                                 {
229                                 pkey_type=TYPE_RSA;
230                                 p+=4;
231                                 newkey= atoi(p);
232                                 }
233                         else
234 #ifndef NO_DSA
235                                 if (strncmp("dsa:",p,4) == 0)
236                                 {
237                                 X509 *xtmp=NULL;
238                                 EVP_PKEY *dtmp;
239
240                                 pkey_type=TYPE_DSA;
241                                 p+=4;
242                                 if ((in=BIO_new_file(p,"r")) == NULL)
243                                         {
244                                         perror(p);
245                                         goto end;
246                                         }
247                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL)) == NULL)
248                                         {
249                                         ERR_clear_error();
250                                         BIO_reset(in);
251                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL)) == NULL)
252                                                 {
253                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
254                                                 goto end;
255                                                 }
256
257                                         /* This will 'disapear'
258                                          * when we free xtmp */
259                                         dtmp=X509_get_pubkey(xtmp);
260                                         if (dtmp->type == EVP_PKEY_DSA)
261                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
262                                         X509_free(xtmp);
263                                         if (dsa_params == NULL)
264                                                 {
265                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
266                                                 goto end;
267                                                 }
268                                         }
269                                 BIO_free(in);
270                                 newkey=BN_num_bits(dsa_params->p);
271                                 in=NULL;
272                                 }
273                         else 
274 #endif
275 #ifndef NO_DH
276                                 if (strncmp("dh:",p,4) == 0)
277                                 {
278                                 pkey_type=TYPE_DH;
279                                 p+=3;
280                                 }
281                         else
282 #endif
283                                 pkey_type=TYPE_RSA;
284
285                         newreq=1;
286                         }
287                 else if (strcmp(*argv,"-modulus") == 0)
288                         modulus=1;
289                 else if (strcmp(*argv,"-verify") == 0)
290                         verify=1;
291                 else if (strcmp(*argv,"-nodes") == 0)
292                         nodes=1;
293                 else if (strcmp(*argv,"-noout") == 0)
294                         noout=1;
295                 else if (strcmp(*argv,"-text") == 0)
296                         text=1;
297                 else if (strcmp(*argv,"-x509") == 0)
298                         x509=1;
299                 else if (strcmp(*argv,"-asn1-kludge") == 0)
300                         kludge=1;
301                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
302                         kludge=0;
303                 else if (strcmp(*argv,"-days") == 0)
304                         {
305                         if (--argc < 1) goto bad;
306                         days= atoi(*(++argv));
307                         if (days == 0) days=30;
308                         }
309                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
310                         {
311                         /* ok */
312                         digest=md_alg;
313                         }
314                 else
315
316                         {
317                         BIO_printf(bio_err,"unknown option %s\n",*argv);
318                         badops=1;
319                         break;
320                         }
321                 argc--;
322                 argv++;
323                 }
324
325         if (badops)
326                 {
327 bad:
328                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
329                 BIO_printf(bio_err,"where options  are\n");
330                 BIO_printf(bio_err," -inform arg    input format - one of DER TXT PEM\n");
331                 BIO_printf(bio_err," -outform arg   output format - one of DER TXT PEM\n");
332                 BIO_printf(bio_err," -in arg        inout file\n");
333                 BIO_printf(bio_err," -out arg       output file\n");
334                 BIO_printf(bio_err," -text          text form of request\n");
335                 BIO_printf(bio_err," -noout         do not output REQ\n");
336                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
337                 BIO_printf(bio_err," -modulus       RSA modulus\n");
338                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
339                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
340                 BIO_printf(bio_err," -keyform arg   key file format\n");
341                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
342                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
343                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
344
345                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
346                 BIO_printf(bio_err," -config file   request templace file.\n");
347                 BIO_printf(bio_err," -new           new request.\n");
348                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
349                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
350                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
351                 BIO_printf(bio_err,"                have been reported as requiring\n");
352                 BIO_printf(bio_err,"                [ It is now always turned on but can be turned off with -no-asn1-kludge ]\n");
353                 goto end;
354                 }
355
356         ERR_load_crypto_strings();
357
358 #ifndef MONOLITH
359         /* Lets load up our environment a little */
360         p=getenv("OPENSSL_CONF");
361         if (p == NULL)
362                 p=getenv("SSLEAY_CONF");
363         if (p == NULL)
364                 {
365                 strcpy(config_name,X509_get_default_cert_area());
366                 strcat(config_name,"/lib/");
367                 strcat(config_name,OPENSSL_CONF);
368                 p=config_name;
369                 }
370         default_config_file=p;
371         config=CONF_load(config,p,NULL);
372 #endif
373
374         if (template != NULL)
375                 {
376                 long errline;
377
378                 BIO_printf(bio_err,"Using configuration from %s\n",template);
379                 req_conf=CONF_load(NULL,template,&errline);
380                 if (req_conf == NULL)
381                         {
382                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
383                         goto end;
384                         }
385                 }
386         else
387                 {
388                 req_conf=config;
389                 BIO_printf(bio_err,"Using configuration from %s\n",
390                         default_config_file);
391                 if (req_conf == NULL)
392                         {
393                         BIO_printf(bio_err,"Unable to load config info\n");
394                         }
395                 }
396
397         if (req_conf != NULL)
398                 {
399                 p=CONF_get_string(req_conf,NULL,"oid_file");
400                 if (p != NULL)
401                         {
402                         BIO *oid_bio;
403
404                         oid_bio=BIO_new_file(p,"r");
405                         if (oid_bio == NULL) 
406                                 {
407                                 /*
408                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
409                                 ERR_print_errors(bio_err);
410                                 */
411                                 }
412                         else
413                                 {
414                                 OBJ_create_objects(oid_bio);
415                                 BIO_free(oid_bio);
416                                 }
417                         }
418                 }
419
420         if ((md_alg == NULL) &&
421                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
422                 {
423                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
424                         digest=md_alg;
425                 }
426
427         in=BIO_new(BIO_s_file());
428         out=BIO_new(BIO_s_file());
429         if ((in == NULL) || (out == NULL))
430                 goto end;
431
432         if (keyfile != NULL)
433                 {
434                 if (BIO_read_filename(in,keyfile) <= 0)
435                         {
436                         perror(keyfile);
437                         goto end;
438                         }
439
440 /*              if (keyform == FORMAT_ASN1)
441                         rsa=d2i_RSAPrivateKey_bio(in,NULL);
442                 else */
443                 if (keyform == FORMAT_PEM)
444                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL);
445                 else
446                         {
447                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
448                         goto end;
449                         }
450
451                 if (pkey == NULL)
452                         {
453                         BIO_printf(bio_err,"unable to load Private key\n");
454                         goto end;
455                         }
456                 }
457
458         if (newreq && (pkey == NULL))
459                 {
460                 char *randfile;
461                 char buffer[200];
462
463                 if ((randfile=CONF_get_string(req_conf,SECTION,"RANDFILE")) == NULL)
464                         randfile=RAND_file_name(buffer,200);
465 #ifdef WINDOWS
466                 BIO_printf(bio_err,"Loading 'screen' into random state -");
467                 BIO_flush(bio_err);
468                 RAND_screen();
469                 BIO_printf(bio_err," done\n");
470 #endif
471                 if ((randfile == NULL) || !RAND_load_file(randfile,1024L*1024L))
472                         {
473                         BIO_printf(bio_err,"unable to load 'random state'\n");
474                         BIO_printf(bio_err,"What this means is that the random number generator has not been seeded\n");
475                         BIO_printf(bio_err,"with much random data.\n");
476                         BIO_printf(bio_err,"Consider setting the RANDFILE environment variable to point at a file that\n");
477                         BIO_printf(bio_err,"'random' data can be kept in.\n");
478                         }
479                 if (newkey <= 0)
480                         {
481                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
482                         if (newkey <= 0)
483                                 newkey=DEFAULT_KEY_LENGTH;
484                         }
485
486                 if (newkey < MIN_KEY_LENGTH)
487                         {
488                         BIO_printf(bio_err,"private key length is too short,\n");
489                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
490                         goto end;
491                         }
492                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
493                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
494
495                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
496
497 #ifndef NO_RSA
498                 if (pkey_type == TYPE_RSA)
499                         {
500                         if (!EVP_PKEY_assign_RSA(pkey,
501                                 RSA_generate_key(newkey,0x10001,
502                                         req_cb,(char *)bio_err)))
503                                 goto end;
504                         }
505                 else
506 #endif
507 #ifndef NO_DSA
508                         if (pkey_type == TYPE_DSA)
509                         {
510                         if (!DSA_generate_key(dsa_params)) goto end;
511                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
512                         dsa_params=NULL;
513                         }
514 #endif
515
516                 if ((randfile == NULL) || (RAND_write_file(randfile) == 0))
517                         BIO_printf(bio_err,"unable to write 'random state'\n");
518
519                 if (pkey == NULL) goto end;
520
521                 if (keyout == NULL)
522                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
523
524                 if (keyout == NULL)
525                         {
526                         BIO_printf(bio_err,"writing new private key to stdout\n");
527                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
528                         }
529                 else
530                         {
531                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
532                         if (BIO_write_filename(out,keyout) <= 0)
533                                 {
534                                 perror(keyout);
535                                 goto end;
536                                 }
537                         }
538
539                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
540                 if (p == NULL)
541                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
542                 if ((p != NULL) && (strcmp(p,"no") == 0))
543                         cipher=NULL;
544                 if (nodes) cipher=NULL;
545                 
546                 i=0;
547 loop:
548                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
549                         NULL,0,NULL))
550                         {
551                         if ((ERR_GET_REASON(ERR_peek_error()) ==
552                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
553                                 {
554                                 ERR_clear_error();
555                                 i++;
556                                 goto loop;
557                                 }
558                         goto end;
559                         }
560                 BIO_printf(bio_err,"-----\n");
561                 }
562
563         if (!newreq)
564                 {
565                 /* Since we are using a pre-existing certificate
566                  * request, the kludge 'format' info should not be
567                  * changed. */
568                 kludge= -1;
569                 if (infile == NULL)
570                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
571                 else
572                         {
573                         if (BIO_read_filename(in,infile) <= 0)
574                                 {
575                                 perror(infile);
576                                 goto end;
577                                 }
578                         }
579
580                 if      (informat == FORMAT_ASN1)
581                         req=d2i_X509_REQ_bio(in,NULL);
582                 else if (informat == FORMAT_PEM)
583                         req=PEM_read_bio_X509_REQ(in,NULL,NULL);
584                 else
585                         {
586                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
587                         goto end;
588                         }
589                 if (req == NULL)
590                         {
591                         BIO_printf(bio_err,"unable to load X509 request\n");
592                         goto end;
593                         }
594                 }
595
596         if (newreq || x509)
597                 {
598 #ifndef NO_DSA
599                 if (pkey->type == EVP_PKEY_DSA)
600                         digest=EVP_dss1();
601 #endif
602
603                 if (pkey == NULL)
604                         {
605                         BIO_printf(bio_err,"you need to specify a private key\n");
606                         goto end;
607                         }
608                 if (req == NULL)
609                         {
610                         req=X509_REQ_new();
611                         if (req == NULL)
612                                 {
613                                 goto end;
614                                 }
615
616                         i=make_REQ(req,pkey,!x509);
617                         if (kludge >= 0)
618                                 req->req_info->req_kludge=kludge;
619                         if (!i)
620                                 {
621                                 BIO_printf(bio_err,"problems making Certificate Request\n");
622                                 goto end;
623                                 }
624                         }
625                 if (x509)
626                         {
627                         if ((x509ss=X509_new()) == NULL) goto end;
628
629                         /* don't set the version number, for starters
630                          * the field is null and second, null is v0 
631                          * if (!ASN1_INTEGER_set(ci->version,0L)) goto end;
632                          */
633                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
634
635                         X509_set_issuer_name(x509ss,
636                                 X509_REQ_get_subject_name(req));
637                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
638                         X509_gmtime_adj(X509_get_notAfter(x509ss),
639                                 (long)60*60*24*days);
640                         X509_set_subject_name(x509ss,
641                                 X509_REQ_get_subject_name(req));
642                         X509_set_pubkey(x509ss,X509_REQ_get_pubkey(req));
643
644                         if (!(i=X509_sign(x509ss,pkey,digest)))
645                                 goto end;
646                         }
647                 else
648                         {
649                         if (!(i=X509_REQ_sign(req,pkey,digest)))
650                                 goto end;
651                         }
652                 }
653
654         if (verify && !x509)
655                 {
656                 int tmp=0;
657
658                 if (pkey == NULL)
659                         {
660                         pkey=X509_REQ_get_pubkey(req);
661                         tmp=1;
662                         if (pkey == NULL) goto end;
663                         }
664
665                 i=X509_REQ_verify(req,pkey);
666                 if (tmp) pkey=NULL;
667
668                 if (i < 0)
669                         {
670                         goto end;
671                         }
672                 else if (i == 0)
673                         {
674                         BIO_printf(bio_err,"verify failure\n");
675                         }
676                 else /* if (i > 0) */
677                         BIO_printf(bio_err,"verify OK\n");
678                 }
679
680         if (noout && !text && !modulus)
681                 {
682                 ex=0;
683                 goto end;
684                 }
685
686         if (outfile == NULL)
687                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
688         else
689                 {
690                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
691                         i=(int)BIO_append_filename(out,outfile);
692                 else
693                         i=(int)BIO_write_filename(out,outfile);
694                 if (!i)
695                         {
696                         perror(outfile);
697                         goto end;
698                         }
699                 }
700
701         if (text)
702                 {
703                 if (x509)
704                         X509_print(out,x509ss);
705                 else    
706                         X509_REQ_print(out,req);
707                 }
708
709         if (modulus)
710                 {
711                 EVP_PKEY *pubkey;
712
713                 if (x509)
714                         pubkey=X509_get_pubkey(x509ss);
715                 else
716                         pubkey=X509_REQ_get_pubkey(req);
717                 if (pubkey == NULL)
718                         {
719                         fprintf(stdout,"Modulus=unavailable\n");
720                         goto end; 
721                         }
722                 fprintf(stdout,"Modulus=");
723 #ifndef NO_RSA
724                 if (pubkey->type == EVP_PKEY_RSA)
725                         BN_print(out,pubkey->pkey.rsa->n);
726                 else
727 #endif
728                         fprintf(stdout,"Wrong Algorithm type");
729                 fprintf(stdout,"\n");
730                 }
731
732         if (!noout && !x509)
733                 {
734                 if      (outformat == FORMAT_ASN1)
735                         i=i2d_X509_REQ_bio(out,req);
736                 else if (outformat == FORMAT_PEM)
737                         i=PEM_write_bio_X509_REQ(out,req);
738                 else    {
739                         BIO_printf(bio_err,"bad output format specified for outfile\n");
740                         goto end;
741                         }
742                 if (!i)
743                         {
744                         BIO_printf(bio_err,"unable to write X509 request\n");
745                         goto end;
746                         }
747                 }
748         if (!noout && x509 && (x509ss != NULL))
749                 {
750                 if      (outformat == FORMAT_ASN1)
751                         i=i2d_X509_bio(out,x509ss);
752                 else if (outformat == FORMAT_PEM)
753                         i=PEM_write_bio_X509(out,x509ss);
754                 else    {
755                         BIO_printf(bio_err,"bad output format specified for outfile\n");
756                         goto end;
757                         }
758                 if (!i)
759                         {
760                         BIO_printf(bio_err,"unable to write X509 certificate\n");
761                         goto end;
762                         }
763                 }
764         ex=0;
765 end:
766         if (ex)
767                 {
768                 ERR_print_errors(bio_err);
769                 }
770         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
771         if (in != NULL) BIO_free(in);
772         if (out != NULL) BIO_free(out);
773         if (pkey != NULL) EVP_PKEY_free(pkey);
774         if (req != NULL) X509_REQ_free(req);
775         if (x509ss != NULL) X509_free(x509ss);
776 #ifndef NO_DSA
777         if (dsa_params != NULL) DSA_free(dsa_params);
778 #endif
779         EXIT(ex);
780         }
781
782 static int make_REQ(req,pkey,attribs)
783 X509_REQ *req;
784 EVP_PKEY *pkey;
785 int attribs;
786         {
787         int ret=0,i,j;
788         unsigned char *p,*q;
789         X509_REQ_INFO *ri;
790         char buf[100];
791         int nid,min,max;
792         char *type,*def,*tmp,*value,*tmp_attr;
793         STACK *sk,*attr=NULL;
794         CONF_VALUE *v;
795         
796         tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
797         if (tmp == NULL)
798                 {
799                 BIO_printf(bio_err,"unable to find '%s' in config\n",
800                         DISTINGUISHED_NAME);
801                 goto err;
802                 }
803         sk=CONF_get_section(req_conf,tmp);
804         if (sk == NULL)
805                 {
806                 BIO_printf(bio_err,"unable to get '%s' section\n",tmp);
807                 goto err;
808                 }
809
810         tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
811         if (tmp_attr == NULL)
812                 attr=NULL;
813         else
814                 {
815                 attr=CONF_get_section(req_conf,tmp_attr);
816                 if (attr == NULL)
817                         {
818                         BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr);
819                         goto err;
820                         }
821                 }
822
823         ri=req->req_info;
824
825         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
826         BIO_printf(bio_err,"into your certificate request.\n");
827         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
828         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
829         BIO_printf(bio_err,"For some fields there will be a default value,\n");
830         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
831         BIO_printf(bio_err,"-----\n");
832
833         /* setup version number */
834         if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */
835
836         if (sk_num(sk))
837                 {
838                 i= -1;
839 start:          for (;;)
840                         {
841                         i++;
842                         if ((int)sk_num(sk) <= i) break;
843
844                         v=(CONF_VALUE *)sk_value(sk,i);
845                         p=q=NULL;
846                         type=v->name;
847                         /* Allow for raw OIDs */
848                         /* [n.mm.ooo.ppp] */
849                         for (j=0; type[j] != '\0'; j++)
850                                 {
851                                 if (    (type[j] == ':') ||
852                                         (type[j] == ',') ||
853                                         (type[j] == '.'))
854                                         p=(unsigned char *)&(type[j+1]);
855                                 if (type[j] == '[')
856                                         {
857                                         p=(unsigned char *)&(type[j+1]);
858                                         for (j++; type[j] != '\0'; j++)
859                                                 if (type[j] == ']')
860                                                         {
861                                                         q=(unsigned char *)&(type[j]);
862                                                         break;
863                                                         }
864                                         break;
865                                         }
866                                 }
867                         if (p != NULL)
868                                 type=(char *)p;
869                         if ((nid=OBJ_txt2nid(type)) == NID_undef)
870                                 {
871                                 /* Add a new one if possible */
872                                 if ((p != NULL) && (q != NULL) && (*q == ']'))
873                                         {
874                                         *q='\0';
875                                         nid=OBJ_create((char *)p,NULL,NULL);
876                                         *q=']';
877                                         if (nid == NID_undef) goto start;
878                                         }
879                                 else
880                                         goto start;
881                                 }
882
883                         sprintf(buf,"%s_default",v->name);
884                         if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL)
885                                 def="";
886                                 
887                         sprintf(buf,"%s_value",v->name);
888                         if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
889                                 value=NULL;
890
891                         sprintf(buf,"%s_min",v->name);
892                         min=(int)CONF_get_number(req_conf,tmp,buf);
893
894                         sprintf(buf,"%s_max",v->name);
895                         max=(int)CONF_get_number(req_conf,tmp,buf);
896
897                         if (!add_DN_object(ri->subject,v->value,def,value,nid,
898                                 min,max))
899                                 goto err;
900                         }
901                 if (sk_num(ri->subject->entries) == 0)
902                         {
903                         BIO_printf(bio_err,"error, no objects specified in config file\n");
904                         goto err;
905                         }
906
907                 if (attribs)
908                         {
909                         if ((attr != NULL) && (sk_num(attr) > 0))
910                                 {
911                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
912                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
913                                 }
914
915                         i= -1;
916 start2:                 for (;;)
917                                 {
918                                 i++;
919                                 if ((attr == NULL) || ((int)sk_num(attr) <= i))
920                                         break;
921
922                                 v=(CONF_VALUE *)sk_value(attr,i);
923                                 type=v->name;
924                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
925                                         goto start2;
926
927                                 sprintf(buf,"%s_default",type);
928                                 if ((def=CONF_get_string(req_conf,tmp_attr,buf))
929                                         == NULL)
930                                         def="";
931                                 
932                                 sprintf(buf,"%s_value",type);
933                                 if ((value=CONF_get_string(req_conf,tmp_attr,buf))
934                                         == NULL)
935                                         value=NULL;
936
937                                 sprintf(buf,"%s_min",type);
938                                 min=(int)CONF_get_number(req_conf,tmp_attr,buf);
939
940                                 sprintf(buf,"%s_max",type);
941                                 max=(int)CONF_get_number(req_conf,tmp_attr,buf);
942
943                                 if (!add_attribute_object(ri->attributes,
944                                         v->value,def,value,nid,min,max))
945                                         goto err;
946                                 }
947                         }
948                 }
949         else
950                 {
951                 BIO_printf(bio_err,"No template, please set one up.\n");
952                 goto err;
953                 }
954
955         X509_REQ_set_pubkey(req,pkey);
956
957         ret=1;
958 err:
959         return(ret);
960         }
961
962 static int add_DN_object(n,text,def,value,nid,min,max)
963 X509_NAME *n;
964 char *text;
965 char *def;
966 char *value;
967 int nid;
968 int min;
969 int max;
970         {
971         int i,j,ret=0;
972         X509_NAME_ENTRY *ne=NULL;
973         MS_STATIC char buf[1024];
974
975         BIO_printf(bio_err,"%s [%s]:",text,def);
976         BIO_flush(bio_err);
977         if (value != NULL)
978                 {
979                 strcpy(buf,value);
980                 strcat(buf,"\n");
981                 BIO_printf(bio_err,"%s\n",value);
982                 }
983         else
984                 {
985                 buf[0]='\0';
986                 fgets(buf,1024,stdin);
987                 }
988
989         if (buf[0] == '\0') return(0);
990         else if (buf[0] == '\n')
991                 {
992                 if ((def == NULL) || (def[0] == '\0'))
993                         return(1);
994                 strcpy(buf,def);
995                 strcat(buf,"\n");
996                 }
997         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
998
999         i=strlen(buf);
1000         if (buf[i-1] != '\n')
1001                 {
1002                 BIO_printf(bio_err,"weird input :-(\n");
1003                 return(0);
1004                 }
1005         buf[--i]='\0';
1006
1007         j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1008         if (req_fix_data(nid,&j,i,min,max) == 0)
1009                 goto err;
1010         if ((ne=X509_NAME_ENTRY_create_by_NID(NULL,nid,j,(unsigned char *)buf,
1011                 strlen(buf)))
1012                 == NULL) goto err;
1013         if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
1014                 goto err;
1015
1016         ret=1;
1017 err:
1018         if (ne != NULL) X509_NAME_ENTRY_free(ne);
1019         return(ret);
1020         }
1021
1022 static int add_attribute_object(n,text,def,value,nid,min,max)
1023 STACK *n;
1024 char *text;
1025 char *def;
1026 char *value;
1027 int nid;
1028 int min;
1029 int max;
1030         {
1031         int i,z;
1032         X509_ATTRIBUTE *xa=NULL;
1033         static char buf[1024];
1034         ASN1_BIT_STRING *bs=NULL;
1035         ASN1_TYPE *at=NULL;
1036
1037 start:
1038         BIO_printf(bio_err,"%s [%s]:",text,def);
1039         BIO_flush(bio_err);
1040         if (value != NULL)
1041                 {
1042                 strcpy(buf,value);
1043                 strcat(buf,"\n");
1044                 BIO_printf(bio_err,"%s\n",value);
1045                 }
1046         else
1047                 {
1048                 buf[0]='\0';
1049                 fgets(buf,1024,stdin);
1050                 }
1051
1052         if (buf[0] == '\0') return(0);
1053         else if (buf[0] == '\n')
1054                 {
1055                 if ((def == NULL) || (def[0] == '\0'))
1056                         return(1);
1057                 strcpy(buf,def);
1058                 strcat(buf,"\n");
1059                 }
1060         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1061
1062         i=strlen(buf);
1063         if (buf[i-1] != '\n')
1064                 {
1065                 BIO_printf(bio_err,"weird input :-(\n");
1066                 return(0);
1067                 }
1068         buf[--i]='\0';
1069
1070         /* add object plus value */
1071         if ((xa=X509_ATTRIBUTE_new()) == NULL)
1072                 goto err;
1073         if ((xa->value.set=sk_new_null()) == NULL)
1074                 goto err;
1075         xa->set=1;
1076
1077         if (xa->object != NULL) ASN1_OBJECT_free(xa->object);
1078         xa->object=OBJ_nid2obj(nid);
1079
1080         if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err;
1081
1082         bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1083
1084         z=req_fix_data(nid,&bs->type,i,min,max);
1085         if (z == 0)
1086                 {
1087                 if (value == NULL)
1088                         goto start;
1089                 else    goto err;
1090                 }
1091
1092         if (!ASN1_STRING_set(bs,(unsigned char *)buf,i+1))
1093                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1094
1095         if ((at=ASN1_TYPE_new()) == NULL)
1096                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1097
1098         ASN1_TYPE_set(at,bs->type,(char *)bs);
1099         sk_push(xa->value.set,(char *)at);
1100         bs=NULL;
1101         at=NULL;
1102         /* only one item per attribute */
1103
1104         if (!sk_push(n,(char *)xa)) goto err;
1105         return(1);
1106 err:
1107         if (xa != NULL) X509_ATTRIBUTE_free(xa);
1108         if (at != NULL) ASN1_TYPE_free(at);
1109         if (bs != NULL) ASN1_BIT_STRING_free(bs);
1110         return(0);
1111         }
1112
1113 static void MS_CALLBACK req_cb(p,n,arg)
1114 int p;
1115 int n;
1116 char *arg;
1117         {
1118         char c='*';
1119
1120         if (p == 0) c='.';
1121         if (p == 1) c='+';
1122         if (p == 2) c='*';
1123         if (p == 3) c='\n';
1124         BIO_write((BIO *)arg,&c,1);
1125         BIO_flush((BIO *)arg);
1126 #ifdef LINT
1127         p=n;
1128 #endif
1129         }
1130
1131 static int req_fix_data(nid,type,len,min,max)
1132 int nid;
1133 int *type;
1134 int len,min,max;
1135         {
1136         if (nid == NID_pkcs9_emailAddress)
1137                 *type=V_ASN1_IA5STRING;
1138         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1139                 *type=V_ASN1_T61STRING;
1140         if ((nid == NID_pkcs9_challengePassword) &&
1141                 (*type == V_ASN1_IA5STRING))
1142                 *type=V_ASN1_T61STRING;
1143
1144         if ((nid == NID_pkcs9_unstructuredName) &&
1145                 (*type == V_ASN1_T61STRING))
1146                 {
1147                 BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
1148                 return(0);
1149                 }
1150         if (nid == NID_pkcs9_unstructuredName)
1151                 *type=V_ASN1_IA5STRING;
1152
1153         if (len < min)
1154                 {
1155                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1156                 return(0);
1157                 }
1158         if ((max != 0) && (len > max))
1159                 {
1160                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1161                 return(0);
1162                 }
1163         return(1);
1164         }