292bc5910f3bf5d1c28f792ca5f61e53fe0c1a23
[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 <openssl/bio.h>
68 #include <openssl/evp.h>
69 #include <openssl/conf.h>
70 #include <openssl/err.h>
71 #include <openssl/asn1.h>
72 #include <openssl/x509.h>
73 #include <openssl/x509v3.h>
74 #include <openssl/objects.h>
75 #include <openssl/pem.h>
76 #include <openssl/engine.h>
77
78 #define SECTION         "req"
79
80 #define BITS            "default_bits"
81 #define KEYFILE         "default_keyfile"
82 #define PROMPT          "prompt"
83 #define DISTINGUISHED_NAME      "distinguished_name"
84 #define ATTRIBUTES      "attributes"
85 #define V3_EXTENSIONS   "x509_extensions"
86 #define REQ_EXTENSIONS  "req_extensions"
87 #define STRING_MASK     "string_mask"
88
89 #define DEFAULT_KEY_LENGTH      512
90 #define MIN_KEY_LENGTH          384
91
92 #undef PROG
93 #define PROG    req_main
94
95 /* -inform arg  - input format - default PEM (DER or PEM)
96  * -outform arg - output format - default PEM
97  * -in arg      - input file - default stdin
98  * -out arg     - output file - default stdout
99  * -verify      - check request signature
100  * -noout       - don't print stuff out.
101  * -text        - print out human readable text.
102  * -nodes       - no des encryption
103  * -config file - Load configuration file.
104  * -key file    - make a request using key in file (or use it for verification).
105  * -keyform arg - key file format.
106  * -rand file(s) - load the file(s) into the PRNG.
107  * -newkey      - make a key and a request.
108  * -modulus     - print RSA modulus.
109  * -x509        - output a self signed X509 structure instead.
110  * -asn1-kludge - output new certificate request in a format that some CA's
111  *                require.  This format is wrong
112  */
113
114 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
115 static int prompt_info(X509_REQ *req,
116                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
117                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs);
118 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
119                                 STACK_OF(CONF_VALUE) *attr, int attribs);
120 static int add_attribute_object(X509_REQ *req, char *text,
121                                 char *def, char *value, int nid, int min,
122                                 int max);
123 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
124         int nid,int min,int max);
125 #ifndef NO_RSA
126 static void MS_CALLBACK req_cb(int p,int n,void *arg);
127 #endif
128 static int req_check_len(int len,int min,int max);
129 static int check_end(char *str, char *end);
130 #ifndef MONOLITH
131 static char *default_config_file=NULL;
132 static LHASH *config=NULL;
133 #endif
134 static LHASH *req_conf=NULL;
135
136 #define TYPE_RSA        1
137 #define TYPE_DSA        2
138 #define TYPE_DH         3
139
140 int MAIN(int, char **);
141
142 int MAIN(int argc, char **argv)
143         {
144         ENGINE *e = NULL;
145 #ifndef NO_DSA
146         DSA *dsa_params=NULL;
147 #endif
148         unsigned long nmflag = 0;
149         int ex=1,x509=0,days=30;
150         X509 *x509ss=NULL;
151         X509_REQ *req=NULL;
152         EVP_PKEY *pkey=NULL;
153         int i,badops=0,newreq=0,newkey= -1,pkey_type=TYPE_RSA;
154         BIO *in=NULL,*out=NULL;
155         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
156         int nodes=0,kludge=0,newhdr=0,subject=0;
157         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
158         char *engine=NULL;
159         char *extensions = NULL;
160         char *req_exts = NULL;
161         EVP_CIPHER *cipher=NULL;
162         int modulus=0;
163         char *inrand=NULL;
164         char *passargin = NULL, *passargout = NULL;
165         char *passin = NULL, *passout = NULL;
166         char *p;
167         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
168 #ifndef MONOLITH
169         MS_STATIC char config_name[256];
170 #endif
171
172         req_conf = NULL;
173 #ifndef NO_DES
174         cipher=EVP_des_ede3_cbc();
175 #endif
176         apps_startup();
177
178         if (bio_err == NULL)
179                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
180                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
181
182         infile=NULL;
183         outfile=NULL;
184         informat=FORMAT_PEM;
185         outformat=FORMAT_PEM;
186
187         prog=argv[0];
188         argc--;
189         argv++;
190         while (argc >= 1)
191                 {
192                 if      (strcmp(*argv,"-inform") == 0)
193                         {
194                         if (--argc < 1) goto bad;
195                         informat=str2fmt(*(++argv));
196                         }
197                 else if (strcmp(*argv,"-outform") == 0)
198                         {
199                         if (--argc < 1) goto bad;
200                         outformat=str2fmt(*(++argv));
201                         }
202                 else if (strcmp(*argv,"-engine") == 0)
203                         {
204                         if (--argc < 1) goto bad;
205                         engine= *(++argv);
206                         }
207                 else if (strcmp(*argv,"-key") == 0)
208                         {
209                         if (--argc < 1) goto bad;
210                         keyfile= *(++argv);
211                         }
212                 else if (strcmp(*argv,"-new") == 0)
213                         {
214                         newreq=1;
215                         }
216                 else if (strcmp(*argv,"-config") == 0)
217                         {       
218                         if (--argc < 1) goto bad;
219                         template= *(++argv);
220                         }
221                 else if (strcmp(*argv,"-keyform") == 0)
222                         {
223                         if (--argc < 1) goto bad;
224                         keyform=str2fmt(*(++argv));
225                         }
226                 else if (strcmp(*argv,"-in") == 0)
227                         {
228                         if (--argc < 1) goto bad;
229                         infile= *(++argv);
230                         }
231                 else if (strcmp(*argv,"-out") == 0)
232                         {
233                         if (--argc < 1) goto bad;
234                         outfile= *(++argv);
235                         }
236                 else if (strcmp(*argv,"-keyout") == 0)
237                         {
238                         if (--argc < 1) goto bad;
239                         keyout= *(++argv);
240                         }
241                 else if (strcmp(*argv,"-passin") == 0)
242                         {
243                         if (--argc < 1) goto bad;
244                         passargin= *(++argv);
245                         }
246                 else if (strcmp(*argv,"-passout") == 0)
247                         {
248                         if (--argc < 1) goto bad;
249                         passargout= *(++argv);
250                         }
251                 else if (strcmp(*argv,"-rand") == 0)
252                         {
253                         if (--argc < 1) goto bad;
254                         inrand= *(++argv);
255                         }
256                 else if (strcmp(*argv,"-newkey") == 0)
257                         {
258                         int is_numeric;
259
260                         if (--argc < 1) goto bad;
261                         p= *(++argv);
262                         is_numeric = p[0] >= '0' && p[0] <= '9';
263                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
264                                 {
265                                 pkey_type=TYPE_RSA;
266                                 if(!is_numeric)
267                                     p+=4;
268                                 newkey= atoi(p);
269                                 }
270                         else
271 #ifndef NO_DSA
272                                 if (strncmp("dsa:",p,4) == 0)
273                                 {
274                                 X509 *xtmp=NULL;
275                                 EVP_PKEY *dtmp;
276
277                                 pkey_type=TYPE_DSA;
278                                 p+=4;
279                                 if ((in=BIO_new_file(p,"r")) == NULL)
280                                         {
281                                         perror(p);
282                                         goto end;
283                                         }
284                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
285                                         {
286                                         ERR_clear_error();
287                                         (void)BIO_reset(in);
288                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
289                                                 {
290                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
291                                                 goto end;
292                                                 }
293
294                                         dtmp=X509_get_pubkey(xtmp);
295                                         if (dtmp->type == EVP_PKEY_DSA)
296                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
297                                         EVP_PKEY_free(dtmp);
298                                         X509_free(xtmp);
299                                         if (dsa_params == NULL)
300                                                 {
301                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
302                                                 goto end;
303                                                 }
304                                         }
305                                 BIO_free(in);
306                                 newkey=BN_num_bits(dsa_params->p);
307                                 in=NULL;
308                                 }
309                         else 
310 #endif
311 #ifndef NO_DH
312                                 if (strncmp("dh:",p,4) == 0)
313                                 {
314                                 pkey_type=TYPE_DH;
315                                 p+=3;
316                                 }
317                         else
318 #endif
319                                 pkey_type=TYPE_RSA;
320
321                         newreq=1;
322                         }
323                 else if (strcmp(*argv,"-newhdr") == 0)
324                         newhdr=1;
325                 else if (strcmp(*argv,"-modulus") == 0)
326                         modulus=1;
327                 else if (strcmp(*argv,"-verify") == 0)
328                         verify=1;
329                 else if (strcmp(*argv,"-nodes") == 0)
330                         nodes=1;
331                 else if (strcmp(*argv,"-noout") == 0)
332                         noout=1;
333                 else if (strcmp(*argv,"-nameopt") == 0)
334                         {
335                         if (--argc < 1) goto bad;
336                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
337                         }
338                 else if (strcmp(*argv,"-subject") == 0)
339                         subject=1;
340                 else if (strcmp(*argv,"-text") == 0)
341                         text=1;
342                 else if (strcmp(*argv,"-x509") == 0)
343                         x509=1;
344                 else if (strcmp(*argv,"-asn1-kludge") == 0)
345                         kludge=1;
346                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
347                         kludge=0;
348                 else if (strcmp(*argv,"-days") == 0)
349                         {
350                         if (--argc < 1) goto bad;
351                         days= atoi(*(++argv));
352                         if (days == 0) days=30;
353                         }
354                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
355                         {
356                         /* ok */
357                         digest=md_alg;
358                         }
359                 else if (strcmp(*argv,"-extensions") == 0)
360                         {
361                         if (--argc < 1) goto bad;
362                         extensions = *(++argv);
363                         }
364                 else if (strcmp(*argv,"-reqexts") == 0)
365                         {
366                         if (--argc < 1) goto bad;
367                         req_exts = *(++argv);
368                         }
369                 else
370                         {
371                         BIO_printf(bio_err,"unknown option %s\n",*argv);
372                         badops=1;
373                         break;
374                         }
375                 argc--;
376                 argv++;
377                 }
378
379         if (badops)
380                 {
381 bad:
382                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
383                 BIO_printf(bio_err,"where options  are\n");
384                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
385                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
386                 BIO_printf(bio_err," -in arg        input file\n");
387                 BIO_printf(bio_err," -out arg       output file\n");
388                 BIO_printf(bio_err," -text          text form of request\n");
389                 BIO_printf(bio_err," -noout         do not output REQ\n");
390                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
391                 BIO_printf(bio_err," -modulus       RSA modulus\n");
392                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
393                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device.\n");
394                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
395                 BIO_printf(bio_err," -keyform arg   key file format\n");
396                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
397                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
398                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
399                 BIO_printf(bio_err,"                the random number generator\n");
400                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
401                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
402
403                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
404                 BIO_printf(bio_err," -config file   request template file.\n");
405                 BIO_printf(bio_err," -new           new request.\n");
406                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
407                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
408                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
409                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
410                 BIO_printf(bio_err,"                have been reported as requiring\n");
411                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
412                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
413                 goto end;
414                 }
415
416         ERR_load_crypto_strings();
417         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
418                 BIO_printf(bio_err, "Error getting passwords\n");
419                 goto end;
420         }
421
422 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
423         /* Lets load up our environment a little */
424         p=getenv("OPENSSL_CONF");
425         if (p == NULL)
426                 p=getenv("SSLEAY_CONF");
427         if (p == NULL)
428                 {
429                 strcpy(config_name,X509_get_default_cert_area());
430 #ifndef VMS
431                 strcat(config_name,"/");
432 #endif
433                 strcat(config_name,OPENSSL_CONF);
434                 p=config_name;
435                 }
436         default_config_file=p;
437         config=CONF_load(config,p,NULL);
438 #endif
439
440         if (template != NULL)
441                 {
442                 long errline;
443
444                 BIO_printf(bio_err,"Using configuration from %s\n",template);
445                 req_conf=CONF_load(NULL,template,&errline);
446                 if (req_conf == NULL)
447                         {
448                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
449                         goto end;
450                         }
451                 }
452         else
453                 {
454                 req_conf=config;
455                 BIO_printf(bio_err,"Using configuration from %s\n",
456                         default_config_file);
457                 if (req_conf == NULL)
458                         {
459                         BIO_printf(bio_err,"Unable to load config info\n");
460                         }
461                 }
462
463         if (req_conf != NULL)
464                 {
465                 p=CONF_get_string(req_conf,NULL,"oid_file");
466                 if (p == NULL)
467                         ERR_clear_error();
468                 if (p != NULL)
469                         {
470                         BIO *oid_bio;
471
472                         oid_bio=BIO_new_file(p,"r");
473                         if (oid_bio == NULL) 
474                                 {
475                                 /*
476                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
477                                 ERR_print_errors(bio_err);
478                                 */
479                                 }
480                         else
481                                 {
482                                 OBJ_create_objects(oid_bio);
483                                 BIO_free(oid_bio);
484                                 }
485                         }
486                 }
487         if(!add_oid_section(bio_err, req_conf)) goto end;
488
489         if (md_alg == NULL)
490                 {
491                 p=CONF_get_string(req_conf,SECTION,"default_md");
492                 if (p == NULL)
493                         ERR_clear_error();
494                 if (p != NULL)
495                         {
496                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
497                                 digest=md_alg;
498                         }
499                 }
500
501         if (!extensions)
502                 {
503                 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
504                 if (!extensions)
505                         ERR_clear_error();
506                 }
507         if (extensions) {
508                 /* Check syntax of file */
509                 X509V3_CTX ctx;
510                 X509V3_set_ctx_test(&ctx);
511                 X509V3_set_conf_lhash(&ctx, req_conf);
512                 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
513                         BIO_printf(bio_err,
514                          "Error Loading extension section %s\n", extensions);
515                         goto end;
516                 }
517         }
518
519         if(!passin)
520                 {
521                 passin = CONF_get_string(req_conf, SECTION, "input_password");
522                 if (!passin)
523                         ERR_clear_error();
524                 }
525         
526         if(!passout)
527                 {
528                 passout = CONF_get_string(req_conf, SECTION, "output_password");
529                 if (!passout)
530                         ERR_clear_error();
531                 }
532
533         p = CONF_get_string(req_conf, SECTION, STRING_MASK);
534         if (!p)
535                 ERR_clear_error();
536
537         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
538                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
539                 goto end;
540         }
541
542         if(!req_exts)
543                 {
544                 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
545                 if (!req_exts)
546                         ERR_clear_error();
547                 }
548         if(req_exts) {
549                 /* Check syntax of file */
550                 X509V3_CTX ctx;
551                 X509V3_set_ctx_test(&ctx);
552                 X509V3_set_conf_lhash(&ctx, req_conf);
553                 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
554                         BIO_printf(bio_err,
555                          "Error Loading request extension section %s\n",
556                                                                 req_exts);
557                         goto end;
558                 }
559         }
560
561         in=BIO_new(BIO_s_file());
562         out=BIO_new(BIO_s_file());
563         if ((in == NULL) || (out == NULL))
564                 goto end;
565
566         if (engine != NULL)
567                 {
568                 if((e = ENGINE_by_id(engine)) == NULL)
569                         {
570                         BIO_printf(bio_err,"invalid engine \"%s\"\n",
571                                 engine);
572                         goto end;
573                         }
574                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
575                         {
576                         BIO_printf(bio_err,"can't use that engine\n");
577                         goto end;
578                         }
579                 BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
580                 /* Free our "structural" reference. */
581                 ENGINE_free(e);
582                 }
583
584         if (keyfile != NULL)
585                 {
586                 if (keyform == FORMAT_ENGINE)
587                         {
588                         if (!e)
589                                 {
590                                 BIO_printf(bio_err,"no engine specified\n");
591                                 goto end;
592                                 }
593                         pkey = ENGINE_load_private_key(e, keyfile, NULL);
594                         }
595                 else
596                         {
597                         if (BIO_read_filename(in,keyfile) <= 0)
598                                 {
599                                 perror(keyfile);
600                                 goto end;
601                                 }
602
603                         if (keyform == FORMAT_ASN1)
604                                 pkey=d2i_PrivateKey_bio(in,NULL);
605                         else if (keyform == FORMAT_PEM)
606                                 {
607                                 pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,
608                                         passin);
609                                 }
610                         else
611                                 {
612                                 BIO_printf(bio_err,"bad input format specified for X509 request\n");
613                                 goto end;
614                                 }
615                         }
616
617                 if (pkey == NULL)
618                         {
619                         BIO_printf(bio_err,"unable to load Private key\n");
620                         goto end;
621                         }
622                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
623                         {
624                         char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
625                         if (randfile == NULL)
626                                 ERR_clear_error();
627                         app_RAND_load_file(randfile, bio_err, 0);
628                         }
629                 }
630
631         if (newreq && (pkey == NULL))
632                 {
633                 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
634                 if (randfile == NULL)
635                         ERR_clear_error();
636                 app_RAND_load_file(randfile, bio_err, 0);
637                 if (inrand)
638                         app_RAND_load_files(inrand);
639         
640                 if (newkey <= 0)
641                         {
642                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
643                         if (newkey <= 0)
644                                 newkey=DEFAULT_KEY_LENGTH;
645                         }
646
647                 if (newkey < MIN_KEY_LENGTH)
648                         {
649                         BIO_printf(bio_err,"private key length is too short,\n");
650                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
651                         goto end;
652                         }
653                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
654                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
655
656                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
657
658 #ifndef NO_RSA
659                 if (pkey_type == TYPE_RSA)
660                         {
661                         if (!EVP_PKEY_assign_RSA(pkey,
662                                 RSA_generate_key(newkey,0x10001,
663                                         req_cb,bio_err)))
664                                 goto end;
665                         }
666                 else
667 #endif
668 #ifndef NO_DSA
669                         if (pkey_type == TYPE_DSA)
670                         {
671                         if (!DSA_generate_key(dsa_params)) goto end;
672                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
673                         dsa_params=NULL;
674                         }
675 #endif
676
677                 app_RAND_write_file(randfile, bio_err);
678
679                 if (pkey == NULL) goto end;
680
681                 if (keyout == NULL)
682                         {
683                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
684                         if (keyout == NULL)
685                                 ERR_clear_error();
686                         }
687                 
688                 if (keyout == NULL)
689                         {
690                         BIO_printf(bio_err,"writing new private key to stdout\n");
691                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
692 #ifdef VMS
693                         {
694                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
695                         out = BIO_push(tmpbio, out);
696                         }
697 #endif
698                         }
699                 else
700                         {
701                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
702                         if (BIO_write_filename(out,keyout) <= 0)
703                                 {
704                                 perror(keyout);
705                                 goto end;
706                                 }
707                         }
708
709                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
710                 if (p == NULL)
711                         {
712                         ERR_clear_error();
713                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
714                         if (p == NULL)
715                                 ERR_clear_error();
716                         }
717                 if ((p != NULL) && (strcmp(p,"no") == 0))
718                         cipher=NULL;
719                 if (nodes) cipher=NULL;
720                 
721                 i=0;
722 loop:
723                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
724                         NULL,0,NULL,passout))
725                         {
726                         if ((ERR_GET_REASON(ERR_peek_error()) ==
727                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
728                                 {
729                                 ERR_clear_error();
730                                 i++;
731                                 goto loop;
732                                 }
733                         goto end;
734                         }
735                 BIO_printf(bio_err,"-----\n");
736                 }
737
738         if (!newreq)
739                 {
740                 /* Since we are using a pre-existing certificate
741                  * request, the kludge 'format' info should not be
742                  * changed. */
743                 kludge= -1;
744                 if (infile == NULL)
745                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
746                 else
747                         {
748                         if (BIO_read_filename(in,infile) <= 0)
749                                 {
750                                 perror(infile);
751                                 goto end;
752                                 }
753                         }
754
755                 if      (informat == FORMAT_ASN1)
756                         req=d2i_X509_REQ_bio(in,NULL);
757                 else if (informat == FORMAT_PEM)
758                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
759                 else
760                         {
761                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
762                         goto end;
763                         }
764                 if (req == NULL)
765                         {
766                         BIO_printf(bio_err,"unable to load X509 request\n");
767                         goto end;
768                         }
769                 }
770
771         if (newreq || x509)
772                 {
773 #ifndef NO_DSA
774                 if (pkey->type == EVP_PKEY_DSA)
775                         digest=EVP_dss1();
776 #endif
777
778                 if (pkey == NULL)
779                         {
780                         BIO_printf(bio_err,"you need to specify a private key\n");
781                         goto end;
782                         }
783                 if (req == NULL)
784                         {
785                         req=X509_REQ_new();
786                         if (req == NULL)
787                                 {
788                                 goto end;
789                                 }
790
791                         i=make_REQ(req,pkey,!x509);
792                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
793                                 {
794                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
795                                 req->req_info->attributes = NULL;
796                                 }
797                         if (!i)
798                                 {
799                                 BIO_printf(bio_err,"problems making Certificate Request\n");
800                                 goto end;
801                                 }
802                         }
803                 if (x509)
804                         {
805                         EVP_PKEY *tmppkey;
806                         X509V3_CTX ext_ctx;
807                         if ((x509ss=X509_new()) == NULL) goto end;
808
809                         /* Set version to V3 */
810                         if(!X509_set_version(x509ss, 2)) goto end;
811                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
812
813                         X509_set_issuer_name(x509ss,
814                                 X509_REQ_get_subject_name(req));
815                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
816                         X509_gmtime_adj(X509_get_notAfter(x509ss),
817                                 (long)60*60*24*days);
818                         X509_set_subject_name(x509ss,
819                                 X509_REQ_get_subject_name(req));
820                         tmppkey = X509_REQ_get_pubkey(req);
821                         X509_set_pubkey(x509ss,tmppkey);
822                         EVP_PKEY_free(tmppkey);
823
824                         /* Set up V3 context struct */
825
826                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
827                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
828
829                         /* Add extensions */
830                         if(extensions && !X509V3_EXT_add_conf(req_conf, 
831                                         &ext_ctx, extensions, x509ss))
832                             {
833                             BIO_printf(bio_err,
834                                        "Error Loading extension section %s\n",
835                                        extensions);
836                             goto end;
837                             }
838
839                         if (!(i=X509_sign(x509ss,pkey,digest)))
840                                 goto end;
841                         }
842                 else
843                         {
844                         X509V3_CTX ext_ctx;
845
846                         /* Set up V3 context struct */
847
848                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
849                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
850
851                         /* Add extensions */
852                         if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf, 
853                                         &ext_ctx, req_exts, req))
854                             {
855                             BIO_printf(bio_err,
856                                        "Error Loading extension section %s\n",
857                                        req_exts);
858                             goto end;
859                             }
860                         if (!(i=X509_REQ_sign(req,pkey,digest)))
861                                 goto end;
862                         }
863                 }
864
865         if (verify && !x509)
866                 {
867                 int tmp=0;
868
869                 if (pkey == NULL)
870                         {
871                         pkey=X509_REQ_get_pubkey(req);
872                         tmp=1;
873                         if (pkey == NULL) goto end;
874                         }
875
876                 i=X509_REQ_verify(req,pkey);
877                 if (tmp) {
878                         EVP_PKEY_free(pkey);
879                         pkey=NULL;
880                 }
881
882                 if (i < 0)
883                         {
884                         goto end;
885                         }
886                 else if (i == 0)
887                         {
888                         BIO_printf(bio_err,"verify failure\n");
889                         }
890                 else /* if (i > 0) */
891                         BIO_printf(bio_err,"verify OK\n");
892                 }
893
894         if (noout && !text && !modulus && !subject)
895                 {
896                 ex=0;
897                 goto end;
898                 }
899
900         if (outfile == NULL)
901                 {
902                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
903 #ifdef VMS
904                 {
905                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
906                 out = BIO_push(tmpbio, out);
907                 }
908 #endif
909                 }
910         else
911                 {
912                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
913                         i=(int)BIO_append_filename(out,outfile);
914                 else
915                         i=(int)BIO_write_filename(out,outfile);
916                 if (!i)
917                         {
918                         perror(outfile);
919                         goto end;
920                         }
921                 }
922
923         if (text)
924                 {
925                 if (x509)
926                         X509_print(out,x509ss);
927                 else    
928                         X509_REQ_print(out,req);
929                 }
930
931         if(subject) 
932                 {
933                 if(x509)
934                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
935                 else
936                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
937                 }
938
939         if (modulus)
940                 {
941                 EVP_PKEY *pubkey;
942
943                 if (x509)
944                         pubkey=X509_get_pubkey(x509ss);
945                 else
946                         pubkey=X509_REQ_get_pubkey(req);
947                 if (pubkey == NULL)
948                         {
949                         fprintf(stdout,"Modulus=unavailable\n");
950                         goto end; 
951                         }
952                 fprintf(stdout,"Modulus=");
953 #ifndef NO_RSA
954                 if (pubkey->type == EVP_PKEY_RSA)
955                         BN_print(out,pubkey->pkey.rsa->n);
956                 else
957 #endif
958                         fprintf(stdout,"Wrong Algorithm type");
959                 fprintf(stdout,"\n");
960                 }
961
962         if (!noout && !x509)
963                 {
964                 if      (outformat == FORMAT_ASN1)
965                         i=i2d_X509_REQ_bio(out,req);
966                 else if (outformat == FORMAT_PEM) {
967                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
968                         else i=PEM_write_bio_X509_REQ(out,req);
969                 } else {
970                         BIO_printf(bio_err,"bad output format specified for outfile\n");
971                         goto end;
972                         }
973                 if (!i)
974                         {
975                         BIO_printf(bio_err,"unable to write X509 request\n");
976                         goto end;
977                         }
978                 }
979         if (!noout && x509 && (x509ss != NULL))
980                 {
981                 if      (outformat == FORMAT_ASN1)
982                         i=i2d_X509_bio(out,x509ss);
983                 else if (outformat == FORMAT_PEM)
984                         i=PEM_write_bio_X509(out,x509ss);
985                 else    {
986                         BIO_printf(bio_err,"bad output format specified for outfile\n");
987                         goto end;
988                         }
989                 if (!i)
990                         {
991                         BIO_printf(bio_err,"unable to write X509 certificate\n");
992                         goto end;
993                         }
994                 }
995         ex=0;
996 end:
997         if (ex)
998                 {
999                 ERR_print_errors(bio_err);
1000                 }
1001         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
1002         BIO_free(in);
1003         BIO_free_all(out);
1004         EVP_PKEY_free(pkey);
1005         X509_REQ_free(req);
1006         X509_free(x509ss);
1007         if(passargin && passin) OPENSSL_free(passin);
1008         if(passargout && passout) OPENSSL_free(passout);
1009         OBJ_cleanup();
1010 #ifndef NO_DSA
1011         if (dsa_params != NULL) DSA_free(dsa_params);
1012 #endif
1013         EXIT(ex);
1014         }
1015
1016 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
1017         {
1018         int ret=0,i;
1019         char no_prompt = 0;
1020         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1021         char *tmp, *dn_sect,*attr_sect;
1022
1023         tmp=CONF_get_string(req_conf,SECTION,PROMPT);
1024         if (tmp == NULL)
1025                 ERR_clear_error();
1026         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1027
1028         dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1029         if (dn_sect == NULL)
1030                 {
1031                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1032                         DISTINGUISHED_NAME);
1033                 goto err;
1034                 }
1035         dn_sk=CONF_get_section(req_conf,dn_sect);
1036         if (dn_sk == NULL)
1037                 {
1038                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1039                 goto err;
1040                 }
1041
1042         attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
1043         if (attr_sect == NULL)
1044                 {
1045                 ERR_clear_error();              
1046                 attr_sk=NULL;
1047                 }
1048         else
1049                 {
1050                 attr_sk=CONF_get_section(req_conf,attr_sect);
1051                 if (attr_sk == NULL)
1052                         {
1053                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1054                         goto err;
1055                         }
1056                 }
1057
1058         /* setup version number */
1059         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1060
1061         if(no_prompt) i = auto_info(req, dn_sk, attr_sk, attribs);
1062         else i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs);
1063         if(!i) goto err;
1064
1065         X509_REQ_set_pubkey(req,pkey);
1066
1067         ret=1;
1068 err:
1069         return(ret);
1070         }
1071
1072
1073 static int prompt_info(X509_REQ *req,
1074                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1075                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs)
1076         {
1077         int i;
1078         char *p,*q;
1079         char buf[100];
1080         int nid,min,max;
1081         char *type,*def,*value;
1082         CONF_VALUE *v;
1083         X509_NAME *subj;
1084         subj = X509_REQ_get_subject_name(req);
1085         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1086         BIO_printf(bio_err,"into your certificate request.\n");
1087         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1088         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1089         BIO_printf(bio_err,"For some fields there will be a default value,\n");
1090         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1091         BIO_printf(bio_err,"-----\n");
1092
1093
1094         if (sk_CONF_VALUE_num(dn_sk))
1095                 {
1096                 i= -1;
1097 start:          for (;;)
1098                         {
1099                         i++;
1100                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1101
1102                         v=sk_CONF_VALUE_value(dn_sk,i);
1103                         p=q=NULL;
1104                         type=v->name;
1105                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1106                                 !check_end(type,"_default") ||
1107                                          !check_end(type,"_value")) continue;
1108                         /* Skip past any leading X. X: X, etc to allow for
1109                          * multiple instances 
1110                          */
1111                         for(p = v->name; *p ; p++) 
1112                                 if ((*p == ':') || (*p == ',') ||
1113                                                          (*p == '.')) {
1114                                         p++;
1115                                         if(*p) type = p;
1116                                         break;
1117                                 }
1118                         /* If OBJ not recognised ignore it */
1119                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1120                         sprintf(buf,"%s_default",v->name);
1121                         if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1122                                 {
1123                                 ERR_clear_error();
1124                                 def="";
1125                                 }
1126                                 
1127                         sprintf(buf,"%s_value",v->name);
1128                         if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1129                                 {
1130                                 ERR_clear_error();
1131                                 value=NULL;
1132                                 }
1133
1134                         sprintf(buf,"%s_min",v->name);
1135                         min=(int)CONF_get_number(req_conf,dn_sect,buf);
1136
1137                         sprintf(buf,"%s_max",v->name);
1138                         max=(int)CONF_get_number(req_conf,dn_sect,buf);
1139
1140                         if (!add_DN_object(subj,v->value,def,value,nid,
1141                                 min,max))
1142                                 return 0;
1143                         }
1144                 if (X509_NAME_entry_count(subj) == 0)
1145                         {
1146                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1147                         return 0;
1148                         }
1149
1150                 if (attribs)
1151                         {
1152                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0))
1153                                 {
1154                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1155                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1156                                 }
1157
1158                         i= -1;
1159 start2:                 for (;;)
1160                                 {
1161                                 i++;
1162                                 if ((attr_sk == NULL) ||
1163                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1164                                         break;
1165
1166                                 v=sk_CONF_VALUE_value(attr_sk,i);
1167                                 type=v->name;
1168                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1169                                         goto start2;
1170
1171                                 sprintf(buf,"%s_default",type);
1172                                 if ((def=CONF_get_string(req_conf,attr_sect,buf))
1173                                         == NULL)
1174                                         {
1175                                         ERR_clear_error();
1176                                         def="";
1177                                         }
1178                                 
1179                                 
1180                                 sprintf(buf,"%s_value",type);
1181                                 if ((value=CONF_get_string(req_conf,attr_sect,buf))
1182                                         == NULL)
1183                                         {
1184                                         ERR_clear_error();
1185                                         value=NULL;
1186                                         }
1187
1188                                 sprintf(buf,"%s_min",type);
1189                                 min=(int)CONF_get_number(req_conf,attr_sect,buf);
1190
1191                                 sprintf(buf,"%s_max",type);
1192                                 max=(int)CONF_get_number(req_conf,attr_sect,buf);
1193
1194                                 if (!add_attribute_object(req,
1195                                         v->value,def,value,nid,min,max))
1196                                         return 0;
1197                                 }
1198                         }
1199                 }
1200         else
1201                 {
1202                 BIO_printf(bio_err,"No template, please set one up.\n");
1203                 return 0;
1204                 }
1205
1206         return 1;
1207
1208         }
1209
1210 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1211                         STACK_OF(CONF_VALUE) *attr_sk, int attribs)
1212         {
1213         int i;
1214         char *p,*q;
1215         char *type;
1216         CONF_VALUE *v;
1217         X509_NAME *subj;
1218
1219         subj = X509_REQ_get_subject_name(req);
1220
1221         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1222                 {
1223                 v=sk_CONF_VALUE_value(dn_sk,i);
1224                 p=q=NULL;
1225                 type=v->name;
1226                 /* Skip past any leading X. X: X, etc to allow for
1227                  * multiple instances 
1228                  */
1229                 for(p = v->name; *p ; p++) 
1230 #ifndef CHARSET_EBCDIC
1231                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1232 #else
1233                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1234 #endif
1235                                 p++;
1236                                 if(*p) type = p;
1237                                 break;
1238                         }
1239                 if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC,
1240                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1241
1242                 }
1243
1244                 if (!X509_NAME_entry_count(subj))
1245                         {
1246                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1247                         return 0;
1248                         }
1249                 if (attribs)
1250                         {
1251                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1252                                 {
1253                                 v=sk_CONF_VALUE_value(attr_sk,i);
1254                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, MBSTRING_ASC,
1255                                         (unsigned char *)v->value, -1)) return 0;
1256                                 }
1257                         }
1258         return 1;
1259         }
1260
1261
1262 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1263              int nid, int min, int max)
1264         {
1265         int i,ret=0;
1266         MS_STATIC char buf[1024];
1267 start:
1268         BIO_printf(bio_err,"%s [%s]:",text,def);
1269         (void)BIO_flush(bio_err);
1270         if (value != NULL)
1271                 {
1272                 strcpy(buf,value);
1273                 strcat(buf,"\n");
1274                 BIO_printf(bio_err,"%s\n",value);
1275                 }
1276         else
1277                 {
1278                 buf[0]='\0';
1279                 fgets(buf,1024,stdin);
1280                 }
1281
1282         if (buf[0] == '\0') return(0);
1283         else if (buf[0] == '\n')
1284                 {
1285                 if ((def == NULL) || (def[0] == '\0'))
1286                         return(1);
1287                 strcpy(buf,def);
1288                 strcat(buf,"\n");
1289                 }
1290         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1291
1292         i=strlen(buf);
1293         if (buf[i-1] != '\n')
1294                 {
1295                 BIO_printf(bio_err,"weird input :-(\n");
1296                 return(0);
1297                 }
1298         buf[--i]='\0';
1299
1300 #ifdef CHARSET_EBCDIC
1301         ebcdic2ascii(buf, buf, i);
1302 #endif
1303         if(!req_check_len(i, min, max)) goto start;
1304         if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
1305                                 (unsigned char *) buf, -1,-1,0)) goto err;
1306         ret=1;
1307 err:
1308         return(ret);
1309         }
1310
1311 static int add_attribute_object(X509_REQ *req, char *text,
1312                                 char *def, char *value, int nid, int min,
1313                                 int max)
1314         {
1315         int i;
1316         static char buf[1024];
1317
1318 start:
1319         BIO_printf(bio_err,"%s [%s]:",text,def);
1320         (void)BIO_flush(bio_err);
1321         if (value != NULL)
1322                 {
1323                 strcpy(buf,value);
1324                 strcat(buf,"\n");
1325                 BIO_printf(bio_err,"%s\n",value);
1326                 }
1327         else
1328                 {
1329                 buf[0]='\0';
1330                 fgets(buf,1024,stdin);
1331                 }
1332
1333         if (buf[0] == '\0') return(0);
1334         else if (buf[0] == '\n')
1335                 {
1336                 if ((def == NULL) || (def[0] == '\0'))
1337                         return(1);
1338                 strcpy(buf,def);
1339                 strcat(buf,"\n");
1340                 }
1341         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1342
1343         i=strlen(buf);
1344         if (buf[i-1] != '\n')
1345                 {
1346                 BIO_printf(bio_err,"weird input :-(\n");
1347                 return(0);
1348                 }
1349         buf[--i]='\0';
1350 #ifdef CHARSET_EBCDIC
1351         ebcdic2ascii(buf, buf, i);
1352 #endif
1353         if(!req_check_len(i, min, max)) goto start;
1354
1355         if(!X509_REQ_add1_attr_by_NID(req, nid, MBSTRING_ASC,
1356                                         (unsigned char *)buf, -1)) {
1357                 BIO_printf(bio_err, "Error adding attribute\n");
1358                 ERR_print_errors(bio_err);
1359                 goto err;
1360         }
1361
1362         return(1);
1363 err:
1364         return(0);
1365         }
1366
1367 #ifndef NO_RSA
1368 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1369         {
1370         char c='*';
1371
1372         if (p == 0) c='.';
1373         if (p == 1) c='+';
1374         if (p == 2) c='*';
1375         if (p == 3) c='\n';
1376         BIO_write((BIO *)arg,&c,1);
1377         (void)BIO_flush((BIO *)arg);
1378 #ifdef LINT
1379         p=n;
1380 #endif
1381         }
1382 #endif
1383
1384 static int req_check_len(int len, int min, int max)
1385         {
1386         if (len < min)
1387                 {
1388                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1389                 return(0);
1390                 }
1391         if ((max != 0) && (len > max))
1392                 {
1393                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1394                 return(0);
1395                 }
1396         return(1);
1397         }
1398
1399 /* Check if the end of a string matches 'end' */
1400 static int check_end(char *str, char *end)
1401 {
1402         int elen, slen; 
1403         char *tmp;
1404         elen = strlen(end);
1405         slen = strlen(str);
1406         if(elen > slen) return 1;
1407         tmp = str + slen - elen;
1408         return strcmp(tmp, end);
1409 }