Load OCSP responder key before waiting for an incoming
[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 OPENSSL_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,char *dn,int attribs);
115 static int build_subject(X509_REQ *req, char *subj);
116 static int prompt_info(X509_REQ *req,
117                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
118                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs);
119 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
120                                 STACK_OF(CONF_VALUE) *attr, int attribs);
121 static int add_attribute_object(X509_REQ *req, char *text,
122                                 char *def, char *value, int nid, int n_min,
123                                 int n_max);
124 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
125         int nid,int n_min,int n_max);
126 #ifndef OPENSSL_NO_RSA
127 static void MS_CALLBACK req_cb(int p,int n,void *arg);
128 #endif
129 static int req_check_len(int len,int n_min,int n_max);
130 static int check_end(char *str, char *end);
131 #ifndef MONOLITH
132 static char *default_config_file=NULL;
133 static CONF *config=NULL;
134 #endif
135 static CONF *req_conf=NULL;
136 static int batch=0;
137
138 #define TYPE_RSA        1
139 #define TYPE_DSA        2
140 #define TYPE_DH         3
141
142 int MAIN(int, char **);
143
144 int MAIN(int argc, char **argv)
145         {
146         ENGINE *e = NULL;
147 #ifndef OPENSSL_NO_DSA
148         DSA *dsa_params=NULL;
149 #endif
150         unsigned long nmflag = 0;
151         int ex=1,x509=0,days=30;
152         X509 *x509ss=NULL;
153         X509_REQ *req=NULL;
154         EVP_PKEY *pkey=NULL;
155         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
156         long newkey = -1;
157         BIO *in=NULL,*out=NULL;
158         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
159         int nodes=0,kludge=0,newhdr=0,subject=0;
160         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
161         char *engine=NULL;
162         char *extensions = NULL;
163         char *req_exts = NULL;
164         const EVP_CIPHER *cipher=NULL;
165         ASN1_INTEGER *serial = NULL;
166         int modulus=0;
167         char *inrand=NULL;
168         char *passargin = NULL, *passargout = NULL;
169         char *passin = NULL, *passout = NULL;
170         char *p;
171         char *subj = NULL;
172         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
173 #ifndef MONOLITH
174         MS_STATIC char config_name[256];
175 #endif
176
177         req_conf = NULL;
178 #ifndef OPENSSL_NO_DES
179         cipher=EVP_des_ede3_cbc();
180 #endif
181         apps_startup();
182
183         if (bio_err == NULL)
184                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
185                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
186
187         infile=NULL;
188         outfile=NULL;
189         informat=FORMAT_PEM;
190         outformat=FORMAT_PEM;
191
192         prog=argv[0];
193         argc--;
194         argv++;
195         while (argc >= 1)
196                 {
197                 if      (strcmp(*argv,"-inform") == 0)
198                         {
199                         if (--argc < 1) goto bad;
200                         informat=str2fmt(*(++argv));
201                         }
202                 else if (strcmp(*argv,"-outform") == 0)
203                         {
204                         if (--argc < 1) goto bad;
205                         outformat=str2fmt(*(++argv));
206                         }
207                 else if (strcmp(*argv,"-engine") == 0)
208                         {
209                         if (--argc < 1) goto bad;
210                         engine= *(++argv);
211                         }
212                 else if (strcmp(*argv,"-key") == 0)
213                         {
214                         if (--argc < 1) goto bad;
215                         keyfile= *(++argv);
216                         }
217                 else if (strcmp(*argv,"-new") == 0)
218                         {
219                         newreq=1;
220                         }
221                 else if (strcmp(*argv,"-config") == 0)
222                         {       
223                         if (--argc < 1) goto bad;
224                         template= *(++argv);
225                         }
226                 else if (strcmp(*argv,"-keyform") == 0)
227                         {
228                         if (--argc < 1) goto bad;
229                         keyform=str2fmt(*(++argv));
230                         }
231                 else if (strcmp(*argv,"-in") == 0)
232                         {
233                         if (--argc < 1) goto bad;
234                         infile= *(++argv);
235                         }
236                 else if (strcmp(*argv,"-out") == 0)
237                         {
238                         if (--argc < 1) goto bad;
239                         outfile= *(++argv);
240                         }
241                 else if (strcmp(*argv,"-keyout") == 0)
242                         {
243                         if (--argc < 1) goto bad;
244                         keyout= *(++argv);
245                         }
246                 else if (strcmp(*argv,"-passin") == 0)
247                         {
248                         if (--argc < 1) goto bad;
249                         passargin= *(++argv);
250                         }
251                 else if (strcmp(*argv,"-passout") == 0)
252                         {
253                         if (--argc < 1) goto bad;
254                         passargout= *(++argv);
255                         }
256                 else if (strcmp(*argv,"-rand") == 0)
257                         {
258                         if (--argc < 1) goto bad;
259                         inrand= *(++argv);
260                         }
261                 else if (strcmp(*argv,"-newkey") == 0)
262                         {
263                         int is_numeric;
264
265                         if (--argc < 1) goto bad;
266                         p= *(++argv);
267                         is_numeric = p[0] >= '0' && p[0] <= '9';
268                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
269                                 {
270                                 pkey_type=TYPE_RSA;
271                                 if(!is_numeric)
272                                     p+=4;
273                                 newkey= atoi(p);
274                                 }
275                         else
276 #ifndef OPENSSL_NO_DSA
277                                 if (strncmp("dsa:",p,4) == 0)
278                                 {
279                                 X509 *xtmp=NULL;
280                                 EVP_PKEY *dtmp;
281
282                                 pkey_type=TYPE_DSA;
283                                 p+=4;
284                                 if ((in=BIO_new_file(p,"r")) == NULL)
285                                         {
286                                         perror(p);
287                                         goto end;
288                                         }
289                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
290                                         {
291                                         ERR_clear_error();
292                                         (void)BIO_reset(in);
293                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
294                                                 {
295                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
296                                                 goto end;
297                                                 }
298
299                                         dtmp=X509_get_pubkey(xtmp);
300                                         if (dtmp->type == EVP_PKEY_DSA)
301                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
302                                         EVP_PKEY_free(dtmp);
303                                         X509_free(xtmp);
304                                         if (dsa_params == NULL)
305                                                 {
306                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
307                                                 goto end;
308                                                 }
309                                         }
310                                 BIO_free(in);
311                                 newkey=BN_num_bits(dsa_params->p);
312                                 in=NULL;
313                                 }
314                         else 
315 #endif
316 #ifndef OPENSSL_NO_DH
317                                 if (strncmp("dh:",p,4) == 0)
318                                 {
319                                 pkey_type=TYPE_DH;
320                                 p+=3;
321                                 }
322                         else
323 #endif
324                                 pkey_type=TYPE_RSA;
325
326                         newreq=1;
327                         }
328                 else if (strcmp(*argv,"-batch") == 0)
329                         batch=1;
330                 else if (strcmp(*argv,"-newhdr") == 0)
331                         newhdr=1;
332                 else if (strcmp(*argv,"-modulus") == 0)
333                         modulus=1;
334                 else if (strcmp(*argv,"-verify") == 0)
335                         verify=1;
336                 else if (strcmp(*argv,"-nodes") == 0)
337                         nodes=1;
338                 else if (strcmp(*argv,"-noout") == 0)
339                         noout=1;
340                 else if (strcmp(*argv,"-verbose") == 0)
341                         verbose=1;
342                 else if (strcmp(*argv,"-nameopt") == 0)
343                         {
344                         if (--argc < 1) goto bad;
345                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
346                         }
347                 else if (strcmp(*argv,"-subject") == 0)
348                         subject=1;
349                 else if (strcmp(*argv,"-text") == 0)
350                         text=1;
351                 else if (strcmp(*argv,"-x509") == 0)
352                         x509=1;
353                 else if (strcmp(*argv,"-asn1-kludge") == 0)
354                         kludge=1;
355                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
356                         kludge=0;
357                 else if (strcmp(*argv,"-subj") == 0)
358                         {
359                         if (--argc < 1) goto bad;
360                         subj= *(++argv);
361                         }
362                 else if (strcmp(*argv,"-days") == 0)
363                         {
364                         if (--argc < 1) goto bad;
365                         days= atoi(*(++argv));
366                         if (days == 0) days=30;
367                         }
368                 else if (strcmp(*argv,"-set_serial") == 0)
369                         {
370                         if (--argc < 1) goto bad;
371                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
372                         if (!serial) goto bad;
373                         }
374                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
375                         {
376                         /* ok */
377                         digest=md_alg;
378                         }
379                 else if (strcmp(*argv,"-extensions") == 0)
380                         {
381                         if (--argc < 1) goto bad;
382                         extensions = *(++argv);
383                         }
384                 else if (strcmp(*argv,"-reqexts") == 0)
385                         {
386                         if (--argc < 1) goto bad;
387                         req_exts = *(++argv);
388                         }
389                 else
390                         {
391                         BIO_printf(bio_err,"unknown option %s\n",*argv);
392                         badops=1;
393                         break;
394                         }
395                 argc--;
396                 argv++;
397                 }
398
399         if (badops)
400                 {
401 bad:
402                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
403                 BIO_printf(bio_err,"where options  are\n");
404                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
405                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
406                 BIO_printf(bio_err," -in arg        input file\n");
407                 BIO_printf(bio_err," -out arg       output file\n");
408                 BIO_printf(bio_err," -text          text form of request\n");
409                 BIO_printf(bio_err," -noout         do not output REQ\n");
410                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
411                 BIO_printf(bio_err," -modulus       RSA modulus\n");
412                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
413                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
414                 BIO_printf(bio_err," -subject       output the request's subject\n");
415                 BIO_printf(bio_err," -passin        private key password source\n");
416                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
417                 BIO_printf(bio_err," -keyform arg   key file format\n");
418                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
419                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
420                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
421                 BIO_printf(bio_err,"                the random number generator\n");
422                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
423                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
424                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
425                 BIO_printf(bio_err," -config file   request template file.\n");
426                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
427                 BIO_printf(bio_err," -new           new request.\n");
428                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
429                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
430                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
431                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
432                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
433                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
434                 BIO_printf(bio_err,"                have been reported as requiring\n");
435                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
436                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
437                 goto end;
438                 }
439
440         ERR_load_crypto_strings();
441         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
442                 BIO_printf(bio_err, "Error getting passwords\n");
443                 goto end;
444         }
445
446 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
447         /* Lets load up our environment a little */
448         p=getenv("OPENSSL_CONF");
449         if (p == NULL)
450                 p=getenv("SSLEAY_CONF");
451         if (p == NULL)
452                 {
453                 strcpy(config_name,X509_get_default_cert_area());
454 #ifndef OPENSSL_SYS_VMS
455                 strcat(config_name,"/");
456 #endif
457                 strcat(config_name,OPENSSL_CONF);
458                 p=config_name;
459                 }
460         default_config_file=p;
461         config=NCONF_new(NULL);
462         i=NCONF_load(config, p);
463 #endif
464
465         if (template != NULL)
466                 {
467                 long errline;
468
469                 BIO_printf(bio_err,"Using configuration from %s\n",template);
470                 req_conf=NCONF_new(NULL);
471                 i=NCONF_load(req_conf,template,&errline);
472                 if (i == 0)
473                         {
474                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
475                         goto end;
476                         }
477                 }
478         else
479                 {
480                 req_conf=config;
481                 BIO_printf(bio_err,"Using configuration from %s\n",
482                         default_config_file);
483                 if (i == 0)
484                         {
485                         BIO_printf(bio_err,"Unable to load config info\n");
486                         }
487                 }
488
489         if (req_conf != NULL)
490                 {
491                 p=NCONF_get_string(req_conf,NULL,"oid_file");
492                 if (p == NULL)
493                         ERR_clear_error();
494                 if (p != NULL)
495                         {
496                         BIO *oid_bio;
497
498                         oid_bio=BIO_new_file(p,"r");
499                         if (oid_bio == NULL) 
500                                 {
501                                 /*
502                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
503                                 ERR_print_errors(bio_err);
504                                 */
505                                 }
506                         else
507                                 {
508                                 OBJ_create_objects(oid_bio);
509                                 BIO_free(oid_bio);
510                                 }
511                         }
512                 }
513         if(!add_oid_section(bio_err, req_conf)) goto end;
514
515         if (md_alg == NULL)
516                 {
517                 p=NCONF_get_string(req_conf,SECTION,"default_md");
518                 if (p == NULL)
519                         ERR_clear_error();
520                 if (p != NULL)
521                         {
522                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
523                                 digest=md_alg;
524                         }
525                 }
526
527         if (!extensions)
528                 {
529                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
530                 if (!extensions)
531                         ERR_clear_error();
532                 }
533         if (extensions) {
534                 /* Check syntax of file */
535                 X509V3_CTX ctx;
536                 X509V3_set_ctx_test(&ctx);
537                 X509V3_set_nconf(&ctx, req_conf);
538                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
539                         BIO_printf(bio_err,
540                          "Error Loading extension section %s\n", extensions);
541                         goto end;
542                 }
543         }
544
545         if(!passin)
546                 {
547                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
548                 if (!passin)
549                         ERR_clear_error();
550                 }
551         
552         if(!passout)
553                 {
554                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
555                 if (!passout)
556                         ERR_clear_error();
557                 }
558
559         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
560         if (!p)
561                 ERR_clear_error();
562
563         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
564                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
565                 goto end;
566         }
567
568         if(!req_exts)
569                 {
570                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
571                 if (!req_exts)
572                         ERR_clear_error();
573                 }
574         if(req_exts) {
575                 /* Check syntax of file */
576                 X509V3_CTX ctx;
577                 X509V3_set_ctx_test(&ctx);
578                 X509V3_set_nconf(&ctx, req_conf);
579                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
580                         BIO_printf(bio_err,
581                          "Error Loading request extension section %s\n",
582                                                                 req_exts);
583                         goto end;
584                 }
585         }
586
587         in=BIO_new(BIO_s_file());
588         out=BIO_new(BIO_s_file());
589         if ((in == NULL) || (out == NULL))
590                 goto end;
591
592         e = setup_engine(bio_err, engine, 0);
593
594         if (keyfile != NULL)
595                 {
596                 pkey = load_key(bio_err, keyfile, keyform, NULL, e,
597                         "Private Key");
598                 if (!pkey)
599                         {
600                         /* load_key() has already printed an appropriate
601                            message */
602                         goto end;
603                         }
604                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
605                         {
606                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
607                         if (randfile == NULL)
608                                 ERR_clear_error();
609                         app_RAND_load_file(randfile, bio_err, 0);
610                         }
611                 }
612
613         if (newreq && (pkey == NULL))
614                 {
615                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
616                 if (randfile == NULL)
617                         ERR_clear_error();
618                 app_RAND_load_file(randfile, bio_err, 0);
619                 if (inrand)
620                         app_RAND_load_files(inrand);
621         
622                 if (newkey <= 0)
623                         {
624                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
625                                 newkey=DEFAULT_KEY_LENGTH;
626                         }
627
628                 if (newkey < MIN_KEY_LENGTH)
629                         {
630                         BIO_printf(bio_err,"private key length is too short,\n");
631                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
632                         goto end;
633                         }
634                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
635                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
636
637                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
638
639 #ifndef OPENSSL_NO_RSA
640                 if (pkey_type == TYPE_RSA)
641                         {
642                         if (!EVP_PKEY_assign_RSA(pkey,
643                                 RSA_generate_key(newkey,0x10001,
644                                         req_cb,bio_err)))
645                                 goto end;
646                         }
647                 else
648 #endif
649 #ifndef OPENSSL_NO_DSA
650                         if (pkey_type == TYPE_DSA)
651                         {
652                         if (!DSA_generate_key(dsa_params)) goto end;
653                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
654                         dsa_params=NULL;
655                         }
656 #endif
657
658                 app_RAND_write_file(randfile, bio_err);
659
660                 if (pkey == NULL) goto end;
661
662                 if (keyout == NULL)
663                         {
664                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
665                         if (keyout == NULL)
666                                 ERR_clear_error();
667                         }
668                 
669                 if (keyout == NULL)
670                         {
671                         BIO_printf(bio_err,"writing new private key to stdout\n");
672                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
673 #ifdef OPENSSL_SYS_VMS
674                         {
675                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
676                         out = BIO_push(tmpbio, out);
677                         }
678 #endif
679                         }
680                 else
681                         {
682                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
683                         if (BIO_write_filename(out,keyout) <= 0)
684                                 {
685                                 perror(keyout);
686                                 goto end;
687                                 }
688                         }
689
690                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
691                 if (p == NULL)
692                         {
693                         ERR_clear_error();
694                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
695                         if (p == NULL)
696                                 ERR_clear_error();
697                         }
698                 if ((p != NULL) && (strcmp(p,"no") == 0))
699                         cipher=NULL;
700                 if (nodes) cipher=NULL;
701                 
702                 i=0;
703 loop:
704                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
705                         NULL,0,NULL,passout))
706                         {
707                         if ((ERR_GET_REASON(ERR_peek_error()) ==
708                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
709                                 {
710                                 ERR_clear_error();
711                                 i++;
712                                 goto loop;
713                                 }
714                         goto end;
715                         }
716                 BIO_printf(bio_err,"-----\n");
717                 }
718
719         if (!newreq)
720                 {
721                 /* Since we are using a pre-existing certificate
722                  * request, the kludge 'format' info should not be
723                  * changed. */
724                 kludge= -1;
725                 if (infile == NULL)
726                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
727                 else
728                         {
729                         if (BIO_read_filename(in,infile) <= 0)
730                                 {
731                                 perror(infile);
732                                 goto end;
733                                 }
734                         }
735
736                 if      (informat == FORMAT_ASN1)
737                         req=d2i_X509_REQ_bio(in,NULL);
738                 else if (informat == FORMAT_PEM)
739                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
740                 else
741                         {
742                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
743                         goto end;
744                         }
745                 if (req == NULL)
746                         {
747                         BIO_printf(bio_err,"unable to load X509 request\n");
748                         goto end;
749                         }
750                 }
751
752         if (newreq || x509)
753                 {
754                 if (pkey == NULL)
755                         {
756                         BIO_printf(bio_err,"you need to specify a private key\n");
757                         goto end;
758                         }
759 #ifndef OPENSSL_NO_DSA
760                 if (pkey->type == EVP_PKEY_DSA)
761                         digest=EVP_dss1();
762 #endif
763                 if (req == NULL)
764                         {
765                         req=X509_REQ_new();
766                         if (req == NULL)
767                                 {
768                                 goto end;
769                                 }
770
771                         i=make_REQ(req,pkey,subj,!x509);
772                         subj=NULL; /* done processing '-subj' option */
773                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
774                                 {
775                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
776                                 req->req_info->attributes = NULL;
777                                 }
778                         if (!i)
779                                 {
780                                 BIO_printf(bio_err,"problems making Certificate Request\n");
781                                 goto end;
782                                 }
783                         }
784                 if (x509)
785                         {
786                         EVP_PKEY *tmppkey;
787                         X509V3_CTX ext_ctx;
788                         if ((x509ss=X509_new()) == NULL) goto end;
789
790                         /* Set version to V3 */
791                         if(!X509_set_version(x509ss, 2)) goto end;
792                         if (serial)
793                                 X509_set_serialNumber(x509ss, serial);
794                         else
795                                 ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
796
797                         X509_set_issuer_name(x509ss,
798                                 X509_REQ_get_subject_name(req));
799                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
800                         X509_gmtime_adj(X509_get_notAfter(x509ss),
801                                 (long)60*60*24*days);
802                         X509_set_subject_name(x509ss,
803                                 X509_REQ_get_subject_name(req));
804                         tmppkey = X509_REQ_get_pubkey(req);
805                         X509_set_pubkey(x509ss,tmppkey);
806                         EVP_PKEY_free(tmppkey);
807
808                         /* Set up V3 context struct */
809
810                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
811                         X509V3_set_nconf(&ext_ctx, req_conf);
812
813                         /* Add extensions */
814                         if(extensions && !X509V3_EXT_add_nconf(req_conf, 
815                                         &ext_ctx, extensions, x509ss))
816                                 {
817                                 BIO_printf(bio_err,
818                                         "Error Loading extension section %s\n",
819                                         extensions);
820                                 goto end;
821                                 }
822                         
823                         if (!(i=X509_sign(x509ss,pkey,digest)))
824                                 goto end;
825                         }
826                 else
827                         {
828                         X509V3_CTX ext_ctx;
829
830                         /* Set up V3 context struct */
831
832                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
833                         X509V3_set_nconf(&ext_ctx, req_conf);
834
835                         /* Add extensions */
836                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 
837                                         &ext_ctx, req_exts, req))
838                                 {
839                                 BIO_printf(bio_err,
840                                         "Error Loading extension section %s\n",
841                                         req_exts);
842                                 goto end;
843                                 }
844                         if (!(i=X509_REQ_sign(req,pkey,digest)))
845                                 goto end;
846                         }
847                 }
848
849         if (subj && x509)
850                 {
851                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
852                 goto end;
853                 }
854
855         if (subj && !x509)
856                 {
857                 if (verbose)
858                         {
859                         BIO_printf(bio_err, "Modifying Request's Subject\n");
860                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
861                         }
862
863                 if (build_subject(req, subj) == 0)
864                         {
865                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
866                         ex=1;
867                         goto end;
868                         }
869
870                 req->req_info->enc.modified = 1;
871
872                 if (verbose)
873                         {
874                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
875                         }
876                 }
877
878         if (verify && !x509)
879                 {
880                 int tmp=0;
881
882                 if (pkey == NULL)
883                         {
884                         pkey=X509_REQ_get_pubkey(req);
885                         tmp=1;
886                         if (pkey == NULL) goto end;
887                         }
888
889                 i=X509_REQ_verify(req,pkey);
890                 if (tmp) {
891                         EVP_PKEY_free(pkey);
892                         pkey=NULL;
893                 }
894
895                 if (i < 0)
896                         {
897                         goto end;
898                         }
899                 else if (i == 0)
900                         {
901                         BIO_printf(bio_err,"verify failure\n");
902                         }
903                 else /* if (i > 0) */
904                         BIO_printf(bio_err,"verify OK\n");
905                 }
906
907         if (noout && !text && !modulus && !subject)
908                 {
909                 ex=0;
910                 goto end;
911                 }
912
913         if (outfile == NULL)
914                 {
915                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
916 #ifdef OPENSSL_SYS_VMS
917                 {
918                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
919                 out = BIO_push(tmpbio, out);
920                 }
921 #endif
922                 }
923         else
924                 {
925                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
926                         i=(int)BIO_append_filename(out,outfile);
927                 else
928                         i=(int)BIO_write_filename(out,outfile);
929                 if (!i)
930                         {
931                         perror(outfile);
932                         goto end;
933                         }
934                 }
935
936         if (text)
937                 {
938                 if (x509)
939                         X509_print(out,x509ss);
940                 else    
941                         X509_REQ_print(out,req);
942                 }
943
944         if(subject) 
945                 {
946                 if(x509)
947                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
948                 else
949                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
950                 }
951
952         if (modulus)
953                 {
954                 EVP_PKEY *pubkey;
955
956                 if (x509)
957                         pubkey=X509_get_pubkey(x509ss);
958                 else
959                         pubkey=X509_REQ_get_pubkey(req);
960                 if (pubkey == NULL)
961                         {
962                         fprintf(stdout,"Modulus=unavailable\n");
963                         goto end; 
964                         }
965                 fprintf(stdout,"Modulus=");
966 #ifndef OPENSSL_NO_RSA
967                 if (pubkey->type == EVP_PKEY_RSA)
968                         BN_print(out,pubkey->pkey.rsa->n);
969                 else
970 #endif
971                         fprintf(stdout,"Wrong Algorithm type");
972                 fprintf(stdout,"\n");
973                 }
974
975         if (!noout && !x509)
976                 {
977                 if      (outformat == FORMAT_ASN1)
978                         i=i2d_X509_REQ_bio(out,req);
979                 else if (outformat == FORMAT_PEM) {
980                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
981                         else i=PEM_write_bio_X509_REQ(out,req);
982                 } else {
983                         BIO_printf(bio_err,"bad output format specified for outfile\n");
984                         goto end;
985                         }
986                 if (!i)
987                         {
988                         BIO_printf(bio_err,"unable to write X509 request\n");
989                         goto end;
990                         }
991                 }
992         if (!noout && x509 && (x509ss != NULL))
993                 {
994                 if      (outformat == FORMAT_ASN1)
995                         i=i2d_X509_bio(out,x509ss);
996                 else if (outformat == FORMAT_PEM)
997                         i=PEM_write_bio_X509(out,x509ss);
998                 else    {
999                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1000                         goto end;
1001                         }
1002                 if (!i)
1003                         {
1004                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1005                         goto end;
1006                         }
1007                 }
1008         ex=0;
1009 end:
1010         if (ex)
1011                 {
1012                 ERR_print_errors(bio_err);
1013                 }
1014         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1015         BIO_free(in);
1016         BIO_free_all(out);
1017         EVP_PKEY_free(pkey);
1018         X509_REQ_free(req);
1019         X509_free(x509ss);
1020         ASN1_INTEGER_free(serial);
1021         if(passargin && passin) OPENSSL_free(passin);
1022         if(passargout && passout) OPENSSL_free(passout);
1023         OBJ_cleanup();
1024 #ifndef OPENSSL_NO_DSA
1025         if (dsa_params != NULL) DSA_free(dsa_params);
1026 #endif
1027         apps_shutdown();
1028         EXIT(ex);
1029         }
1030
1031 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs)
1032         {
1033         int ret=0,i;
1034         char no_prompt = 0;
1035         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1036         char *tmp, *dn_sect,*attr_sect;
1037
1038         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1039         if (tmp == NULL)
1040                 ERR_clear_error();
1041         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1042
1043         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1044         if (dn_sect == NULL)
1045                 {
1046                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1047                         DISTINGUISHED_NAME);
1048                 goto err;
1049                 }
1050         dn_sk=NCONF_get_section(req_conf,dn_sect);
1051         if (dn_sk == NULL)
1052                 {
1053                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1054                 goto err;
1055                 }
1056
1057         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1058         if (attr_sect == NULL)
1059                 {
1060                 ERR_clear_error();              
1061                 attr_sk=NULL;
1062                 }
1063         else
1064                 {
1065                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1066                 if (attr_sk == NULL)
1067                         {
1068                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1069                         goto err;
1070                         }
1071                 }
1072
1073         /* setup version number */
1074         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1075
1076         if (no_prompt) 
1077                 i = auto_info(req, dn_sk, attr_sk, attribs);
1078         else 
1079                 {
1080                 if (subj)
1081                         i = build_subject(req, subj);
1082                 else
1083                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs);
1084                 }
1085         if(!i) goto err;
1086
1087         X509_REQ_set_pubkey(req,pkey);
1088
1089         ret=1;
1090 err:
1091         return(ret);
1092         }
1093
1094 static int build_subject(X509_REQ *req, char *subject)
1095         {
1096         X509_NAME *n = NULL;
1097
1098         int i, nid, ne_num=0;
1099
1100         char *ne_name = NULL;
1101         char *ne_value = NULL;
1102
1103         char *tmp = NULL;
1104         char *p[2];
1105
1106         char *str_list[256];
1107        
1108         p[0] = ",/";
1109         p[1] = "=";
1110
1111         n = X509_NAME_new();
1112
1113         tmp = strtok(subject, p[0]);
1114         while((tmp != NULL) && (ne_num < (sizeof str_list/sizeof *str_list)))
1115                 {
1116                 char *token = tmp;
1117
1118                 while (token[0] == ' ')
1119                         token++;
1120                 str_list[ne_num] = token;
1121
1122                 tmp = strtok(NULL, p[0]);
1123                 ne_num++;
1124                 }
1125
1126         for(i = 0; i < ne_num; i++)
1127                 {
1128                 ne_name  = strtok(str_list[i], p[1]);
1129                 ne_value = strtok(NULL, p[1]);
1130
1131                 if ((nid=OBJ_txt2nid(ne_name)) == NID_undef)
1132                         {
1133                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_name);
1134                         continue;
1135                         }
1136
1137                 if (ne_value == NULL)
1138                         {
1139                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_name);
1140                         continue;
1141                         }
1142
1143                 if (!X509_NAME_add_entry_by_NID(n, nid, MBSTRING_ASC, (unsigned char*)ne_value, -1,-1,0))
1144                         {
1145                         X509_NAME_free(n);
1146                         return 0;
1147                         }
1148                 }
1149
1150         if (!X509_REQ_set_subject_name(req, n))
1151                 return 0;
1152         X509_NAME_free(n);
1153         return 1;
1154 }
1155
1156
1157 static int prompt_info(X509_REQ *req,
1158                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1159                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs)
1160         {
1161         int i;
1162         char *p,*q;
1163         char buf[100];
1164         int nid;
1165         long n_min,n_max;
1166         char *type,*def,*value;
1167         CONF_VALUE *v;
1168         X509_NAME *subj;
1169         subj = X509_REQ_get_subject_name(req);
1170
1171         if(!batch)
1172                 {
1173                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1174                 BIO_printf(bio_err,"into your certificate request.\n");
1175                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1176                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1177                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1178                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1179                 BIO_printf(bio_err,"-----\n");
1180                 }
1181
1182
1183         if (sk_CONF_VALUE_num(dn_sk))
1184                 {
1185                 i= -1;
1186 start:          for (;;)
1187                         {
1188                         i++;
1189                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1190
1191                         v=sk_CONF_VALUE_value(dn_sk,i);
1192                         p=q=NULL;
1193                         type=v->name;
1194                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1195                                 !check_end(type,"_default") ||
1196                                          !check_end(type,"_value")) continue;
1197                         /* Skip past any leading X. X: X, etc to allow for
1198                          * multiple instances 
1199                          */
1200                         for(p = v->name; *p ; p++) 
1201                                 if ((*p == ':') || (*p == ',') ||
1202                                                          (*p == '.')) {
1203                                         p++;
1204                                         if(*p) type = p;
1205                                         break;
1206                                 }
1207                         /* If OBJ not recognised ignore it */
1208                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1209                         sprintf(buf,"%s_default",v->name);
1210                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1211                                 {
1212                                 ERR_clear_error();
1213                                 def="";
1214                                 }
1215                                 
1216                         sprintf(buf,"%s_value",v->name);
1217                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1218                                 {
1219                                 ERR_clear_error();
1220                                 value=NULL;
1221                                 }
1222
1223                         sprintf(buf,"%s_min",v->name);
1224                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1225                                 n_min = -1;
1226
1227                         sprintf(buf,"%s_max",v->name);
1228                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1229                                 n_max = -1;
1230
1231                         if (!add_DN_object(subj,v->value,def,value,nid,
1232                                 n_min,n_max))
1233                                 return 0;
1234                         }
1235                 if (X509_NAME_entry_count(subj) == 0)
1236                         {
1237                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1238                         return 0;
1239                         }
1240
1241                 if (attribs)
1242                         {
1243                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1244                                 {
1245                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1246                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1247                                 }
1248
1249                         i= -1;
1250 start2:                 for (;;)
1251                                 {
1252                                 i++;
1253                                 if ((attr_sk == NULL) ||
1254                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1255                                         break;
1256
1257                                 v=sk_CONF_VALUE_value(attr_sk,i);
1258                                 type=v->name;
1259                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1260                                         goto start2;
1261
1262                                 sprintf(buf,"%s_default",type);
1263                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1264                                         == NULL)
1265                                         {
1266                                         ERR_clear_error();
1267                                         def="";
1268                                         }
1269                                 
1270                                 
1271                                 sprintf(buf,"%s_value",type);
1272                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1273                                         == NULL)
1274                                         {
1275                                         ERR_clear_error();
1276                                         value=NULL;
1277                                         }
1278
1279                                 sprintf(buf,"%s_min",type);
1280                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1281                                         n_min = -1;
1282
1283                                 sprintf(buf,"%s_max",type);
1284                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1285                                         n_max = -1;
1286
1287                                 if (!add_attribute_object(req,
1288                                         v->value,def,value,nid,n_min,n_max))
1289                                         return 0;
1290                                 }
1291                         }
1292                 }
1293         else
1294                 {
1295                 BIO_printf(bio_err,"No template, please set one up.\n");
1296                 return 0;
1297                 }
1298
1299         return 1;
1300
1301         }
1302
1303 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1304                         STACK_OF(CONF_VALUE) *attr_sk, int attribs)
1305         {
1306         int i;
1307         char *p,*q;
1308         char *type;
1309         CONF_VALUE *v;
1310         X509_NAME *subj;
1311
1312         subj = X509_REQ_get_subject_name(req);
1313
1314         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1315                 {
1316                 v=sk_CONF_VALUE_value(dn_sk,i);
1317                 p=q=NULL;
1318                 type=v->name;
1319                 /* Skip past any leading X. X: X, etc to allow for
1320                  * multiple instances 
1321                  */
1322                 for(p = v->name; *p ; p++) 
1323 #ifndef CHARSET_EBCDIC
1324                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1325 #else
1326                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1327 #endif
1328                                 p++;
1329                                 if(*p) type = p;
1330                                 break;
1331                         }
1332                 if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC,
1333                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1334
1335                 }
1336
1337                 if (!X509_NAME_entry_count(subj))
1338                         {
1339                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1340                         return 0;
1341                         }
1342                 if (attribs)
1343                         {
1344                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1345                                 {
1346                                 v=sk_CONF_VALUE_value(attr_sk,i);
1347                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, MBSTRING_ASC,
1348                                         (unsigned char *)v->value, -1)) return 0;
1349                                 }
1350                         }
1351         return 1;
1352         }
1353
1354
1355 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1356              int nid, int n_min, int n_max)
1357         {
1358         int i,ret=0;
1359         MS_STATIC char buf[1024];
1360 start:
1361         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1362         (void)BIO_flush(bio_err);
1363         if(value != NULL)
1364                 {
1365                 strcpy(buf,value);
1366                 strcat(buf,"\n");
1367                 BIO_printf(bio_err,"%s\n",value);
1368                 }
1369         else
1370                 {
1371                 buf[0]='\0';
1372                 if (!batch)
1373                         {
1374                         fgets(buf,1024,stdin);
1375                         }
1376                 else
1377                         {
1378                         buf[0] = '\n';
1379                         buf[1] = '\0';
1380                         }
1381                 }
1382
1383         if (buf[0] == '\0') return(0);
1384         else if (buf[0] == '\n')
1385                 {
1386                 if ((def == NULL) || (def[0] == '\0'))
1387                         return(1);
1388                 strcpy(buf,def);
1389                 strcat(buf,"\n");
1390                 }
1391         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1392
1393         i=strlen(buf);
1394         if (buf[i-1] != '\n')
1395                 {
1396                 BIO_printf(bio_err,"weird input :-(\n");
1397                 return(0);
1398                 }
1399         buf[--i]='\0';
1400 #ifdef CHARSET_EBCDIC
1401         ebcdic2ascii(buf, buf, i);
1402 #endif
1403         if(!req_check_len(i, n_min, n_max)) goto start;
1404         if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
1405                                 (unsigned char *) buf, -1,-1,0)) goto err;
1406         ret=1;
1407 err:
1408         return(ret);
1409         }
1410
1411 static int add_attribute_object(X509_REQ *req, char *text,
1412                                 char *def, char *value, int nid, int n_min,
1413                                 int n_max)
1414         {
1415         int i;
1416         static char buf[1024];
1417
1418 start:
1419         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1420         (void)BIO_flush(bio_err);
1421         if (value != NULL)
1422                 {
1423                 strcpy(buf,value);
1424                 strcat(buf,"\n");
1425                 BIO_printf(bio_err,"%s\n",value);
1426                 }
1427         else
1428                 {
1429                 buf[0]='\0';
1430                 if (!batch)
1431                         {
1432                         fgets(buf,1024,stdin);
1433                         }
1434                 else
1435                         {
1436                         buf[0] = '\n';
1437                         buf[1] = '\0';
1438                         }
1439                 }
1440
1441         if (buf[0] == '\0') return(0);
1442         else if (buf[0] == '\n')
1443                 {
1444                 if ((def == NULL) || (def[0] == '\0'))
1445                         return(1);
1446                 strcpy(buf,def);
1447                 strcat(buf,"\n");
1448                 }
1449         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1450
1451         i=strlen(buf);
1452         if (buf[i-1] != '\n')
1453                 {
1454                 BIO_printf(bio_err,"weird input :-(\n");
1455                 return(0);
1456                 }
1457         buf[--i]='\0';
1458 #ifdef CHARSET_EBCDIC
1459         ebcdic2ascii(buf, buf, i);
1460 #endif
1461         if(!req_check_len(i, n_min, n_max)) goto start;
1462
1463         if(!X509_REQ_add1_attr_by_NID(req, nid, MBSTRING_ASC,
1464                                         (unsigned char *)buf, -1)) {
1465                 BIO_printf(bio_err, "Error adding attribute\n");
1466                 ERR_print_errors(bio_err);
1467                 goto err;
1468         }
1469
1470         return(1);
1471 err:
1472         return(0);
1473         }
1474
1475 #ifndef OPENSSL_NO_RSA
1476 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1477         {
1478         char c='*';
1479
1480         if (p == 0) c='.';
1481         if (p == 1) c='+';
1482         if (p == 2) c='*';
1483         if (p == 3) c='\n';
1484         BIO_write((BIO *)arg,&c,1);
1485         (void)BIO_flush((BIO *)arg);
1486 #ifdef LINT
1487         p=n;
1488 #endif
1489         }
1490 #endif
1491
1492 static int req_check_len(int len, int n_min, int n_max)
1493         {
1494         if ((n_min > 0) && (len < n_min))
1495                 {
1496                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1497                 return(0);
1498                 }
1499         if ((n_max >= 0) && (len > n_max))
1500                 {
1501                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1502                 return(0);
1503                 }
1504         return(1);
1505         }
1506
1507 /* Check if the end of a string matches 'end' */
1508 static int check_end(char *str, char *end)
1509 {
1510         int elen, slen; 
1511         char *tmp;
1512         elen = strlen(end);
1513         slen = strlen(str);
1514         if(elen > slen) return 1;
1515         tmp = str + slen - elen;
1516         return strcmp(tmp, end);
1517 }