2999d509ba979bd8b982d9e2c3fa30ea35c5cdd7
[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 min,
123                                 int max);
124 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
125         int nid,int min,int 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 min,int max);
130 static int check_end(char *str, char *end);
131 #ifndef MONOLITH
132 static char *default_config_file=NULL;
133 static LHASH *config=NULL;
134 #endif
135 static LHASH *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,badops=0,newreq=0,newkey= -1,verbose=0,pkey_type=TYPE_RSA;
156         BIO *in=NULL,*out=NULL;
157         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
158         int nodes=0,kludge=0,newhdr=0,subject=0;
159         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
160         char *engine=NULL;
161         char *extensions = NULL;
162         char *req_exts = NULL;
163         const EVP_CIPHER *cipher=NULL;
164         ASN1_INTEGER *serial = NULL;
165         int modulus=0;
166         char *inrand=NULL;
167         char *passargin = NULL, *passargout = NULL;
168         char *passin = NULL, *passout = NULL;
169         char *p;
170         char *subj = NULL;
171         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
172 #ifndef MONOLITH
173         MS_STATIC char config_name[256];
174 #endif
175
176         req_conf = NULL;
177 #ifndef OPENSSL_NO_DES
178         cipher=EVP_des_ede3_cbc();
179 #endif
180         apps_startup();
181
182         if (bio_err == NULL)
183                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
184                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
185
186         infile=NULL;
187         outfile=NULL;
188         informat=FORMAT_PEM;
189         outformat=FORMAT_PEM;
190
191         prog=argv[0];
192         argc--;
193         argv++;
194         while (argc >= 1)
195                 {
196                 if      (strcmp(*argv,"-inform") == 0)
197                         {
198                         if (--argc < 1) goto bad;
199                         informat=str2fmt(*(++argv));
200                         }
201                 else if (strcmp(*argv,"-outform") == 0)
202                         {
203                         if (--argc < 1) goto bad;
204                         outformat=str2fmt(*(++argv));
205                         }
206                 else if (strcmp(*argv,"-engine") == 0)
207                         {
208                         if (--argc < 1) goto bad;
209                         engine= *(++argv);
210                         }
211                 else if (strcmp(*argv,"-key") == 0)
212                         {
213                         if (--argc < 1) goto bad;
214                         keyfile= *(++argv);
215                         }
216                 else if (strcmp(*argv,"-new") == 0)
217                         {
218                         newreq=1;
219                         }
220                 else if (strcmp(*argv,"-config") == 0)
221                         {       
222                         if (--argc < 1) goto bad;
223                         template= *(++argv);
224                         }
225                 else if (strcmp(*argv,"-keyform") == 0)
226                         {
227                         if (--argc < 1) goto bad;
228                         keyform=str2fmt(*(++argv));
229                         }
230                 else if (strcmp(*argv,"-in") == 0)
231                         {
232                         if (--argc < 1) goto bad;
233                         infile= *(++argv);
234                         }
235                 else if (strcmp(*argv,"-out") == 0)
236                         {
237                         if (--argc < 1) goto bad;
238                         outfile= *(++argv);
239                         }
240                 else if (strcmp(*argv,"-keyout") == 0)
241                         {
242                         if (--argc < 1) goto bad;
243                         keyout= *(++argv);
244                         }
245                 else if (strcmp(*argv,"-passin") == 0)
246                         {
247                         if (--argc < 1) goto bad;
248                         passargin= *(++argv);
249                         }
250                 else if (strcmp(*argv,"-passout") == 0)
251                         {
252                         if (--argc < 1) goto bad;
253                         passargout= *(++argv);
254                         }
255                 else if (strcmp(*argv,"-rand") == 0)
256                         {
257                         if (--argc < 1) goto bad;
258                         inrand= *(++argv);
259                         }
260                 else if (strcmp(*argv,"-newkey") == 0)
261                         {
262                         int is_numeric;
263
264                         if (--argc < 1) goto bad;
265                         p= *(++argv);
266                         is_numeric = p[0] >= '0' && p[0] <= '9';
267                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
268                                 {
269                                 pkey_type=TYPE_RSA;
270                                 if(!is_numeric)
271                                     p+=4;
272                                 newkey= atoi(p);
273                                 }
274                         else
275 #ifndef OPENSSL_NO_DSA
276                                 if (strncmp("dsa:",p,4) == 0)
277                                 {
278                                 X509 *xtmp=NULL;
279                                 EVP_PKEY *dtmp;
280
281                                 pkey_type=TYPE_DSA;
282                                 p+=4;
283                                 if ((in=BIO_new_file(p,"r")) == NULL)
284                                         {
285                                         perror(p);
286                                         goto end;
287                                         }
288                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
289                                         {
290                                         ERR_clear_error();
291                                         (void)BIO_reset(in);
292                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
293                                                 {
294                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
295                                                 goto end;
296                                                 }
297
298                                         dtmp=X509_get_pubkey(xtmp);
299                                         if (dtmp->type == EVP_PKEY_DSA)
300                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
301                                         EVP_PKEY_free(dtmp);
302                                         X509_free(xtmp);
303                                         if (dsa_params == NULL)
304                                                 {
305                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
306                                                 goto end;
307                                                 }
308                                         }
309                                 BIO_free(in);
310                                 newkey=BN_num_bits(dsa_params->p);
311                                 in=NULL;
312                                 }
313                         else 
314 #endif
315 #ifndef OPENSSL_NO_DH
316                                 if (strncmp("dh:",p,4) == 0)
317                                 {
318                                 pkey_type=TYPE_DH;
319                                 p+=3;
320                                 }
321                         else
322 #endif
323                                 pkey_type=TYPE_RSA;
324
325                         newreq=1;
326                         }
327                 else if (strcmp(*argv,"-batch") == 0)
328                         batch=1;
329                 else if (strcmp(*argv,"-newhdr") == 0)
330                         newhdr=1;
331                 else if (strcmp(*argv,"-modulus") == 0)
332                         modulus=1;
333                 else if (strcmp(*argv,"-verify") == 0)
334                         verify=1;
335                 else if (strcmp(*argv,"-nodes") == 0)
336                         nodes=1;
337                 else if (strcmp(*argv,"-noout") == 0)
338                         noout=1;
339                 else if (strcmp(*argv,"-verbose") == 0)
340                         verbose=1;
341                 else if (strcmp(*argv,"-nameopt") == 0)
342                         {
343                         if (--argc < 1) goto bad;
344                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
345                         }
346                 else if (strcmp(*argv,"-subject") == 0)
347                         subject=1;
348                 else if (strcmp(*argv,"-text") == 0)
349                         text=1;
350                 else if (strcmp(*argv,"-x509") == 0)
351                         x509=1;
352                 else if (strcmp(*argv,"-asn1-kludge") == 0)
353                         kludge=1;
354                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
355                         kludge=0;
356                 else if (strcmp(*argv,"-subj") == 0)
357                         {
358                         if (--argc < 1) goto bad;
359                         subj= *(++argv);
360                         }
361                 else if (strcmp(*argv,"-days") == 0)
362                         {
363                         if (--argc < 1) goto bad;
364                         days= atoi(*(++argv));
365                         if (days == 0) days=30;
366                         }
367                 else if (strcmp(*argv,"-set_serial") == 0)
368                         {
369                         if (--argc < 1) goto bad;
370                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
371                         if (!serial) goto bad;
372                         }
373                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
374                         {
375                         /* ok */
376                         digest=md_alg;
377                         }
378                 else if (strcmp(*argv,"-extensions") == 0)
379                         {
380                         if (--argc < 1) goto bad;
381                         extensions = *(++argv);
382                         }
383                 else if (strcmp(*argv,"-reqexts") == 0)
384                         {
385                         if (--argc < 1) goto bad;
386                         req_exts = *(++argv);
387                         }
388                 else
389                         {
390                         BIO_printf(bio_err,"unknown option %s\n",*argv);
391                         badops=1;
392                         break;
393                         }
394                 argc--;
395                 argv++;
396                 }
397
398         if (badops)
399                 {
400 bad:
401                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
402                 BIO_printf(bio_err,"where options  are\n");
403                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
404                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
405                 BIO_printf(bio_err," -in arg        input file\n");
406                 BIO_printf(bio_err," -out arg       output file\n");
407                 BIO_printf(bio_err," -text          text form of request\n");
408                 BIO_printf(bio_err," -noout         do not output REQ\n");
409                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
410                 BIO_printf(bio_err," -modulus       RSA modulus\n");
411                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
412                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
413                 BIO_printf(bio_err," -subject       output the request's subject\n");
414                 BIO_printf(bio_err," -passin        private key password source\n");
415                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
416                 BIO_printf(bio_err," -keyform arg   key file format\n");
417                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
418                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
419                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
420                 BIO_printf(bio_err,"                the random number generator\n");
421                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
422                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
423                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
424                 BIO_printf(bio_err," -config file   request template file.\n");
425                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
426                 BIO_printf(bio_err," -new           new request.\n");
427                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
428                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
429                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
430                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
431                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
432                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
433                 BIO_printf(bio_err,"                have been reported as requiring\n");
434                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
435                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
436                 goto end;
437                 }
438
439         ERR_load_crypto_strings();
440         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
441                 BIO_printf(bio_err, "Error getting passwords\n");
442                 goto end;
443         }
444
445 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
446         /* Lets load up our environment a little */
447         p=getenv("OPENSSL_CONF");
448         if (p == NULL)
449                 p=getenv("SSLEAY_CONF");
450         if (p == NULL)
451                 {
452                 strcpy(config_name,X509_get_default_cert_area());
453 #ifndef OPENSSL_SYS_VMS
454                 strcat(config_name,"/");
455 #endif
456                 strcat(config_name,OPENSSL_CONF);
457                 p=config_name;
458                 }
459         default_config_file=p;
460         config=CONF_load(config,p,NULL);
461 #endif
462
463         if (template != NULL)
464                 {
465                 long errline;
466
467                 BIO_printf(bio_err,"Using configuration from %s\n",template);
468                 req_conf=CONF_load(NULL,template,&errline);
469                 if (req_conf == NULL)
470                         {
471                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
472                         goto end;
473                         }
474                 }
475         else
476                 {
477                 req_conf=config;
478                 BIO_printf(bio_err,"Using configuration from %s\n",
479                         default_config_file);
480                 if (req_conf == NULL)
481                         {
482                         BIO_printf(bio_err,"Unable to load config info\n");
483                         }
484                 }
485
486         if (req_conf != NULL)
487                 {
488                 p=CONF_get_string(req_conf,NULL,"oid_file");
489                 if (p == NULL)
490                         ERR_clear_error();
491                 if (p != NULL)
492                         {
493                         BIO *oid_bio;
494
495                         oid_bio=BIO_new_file(p,"r");
496                         if (oid_bio == NULL) 
497                                 {
498                                 /*
499                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
500                                 ERR_print_errors(bio_err);
501                                 */
502                                 }
503                         else
504                                 {
505                                 OBJ_create_objects(oid_bio);
506                                 BIO_free(oid_bio);
507                                 }
508                         }
509                 }
510         if(!add_oid_section(bio_err, req_conf)) goto end;
511
512         if (md_alg == NULL)
513                 {
514                 p=CONF_get_string(req_conf,SECTION,"default_md");
515                 if (p == NULL)
516                         ERR_clear_error();
517                 if (p != NULL)
518                         {
519                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
520                                 digest=md_alg;
521                         }
522                 }
523
524         if (!extensions)
525                 {
526                 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
527                 if (!extensions)
528                         ERR_clear_error();
529                 }
530         if (extensions) {
531                 /* Check syntax of file */
532                 X509V3_CTX ctx;
533                 X509V3_set_ctx_test(&ctx);
534                 X509V3_set_conf_lhash(&ctx, req_conf);
535                 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
536                         BIO_printf(bio_err,
537                          "Error Loading extension section %s\n", extensions);
538                         goto end;
539                 }
540         }
541
542         if(!passin)
543                 {
544                 passin = CONF_get_string(req_conf, SECTION, "input_password");
545                 if (!passin)
546                         ERR_clear_error();
547                 }
548         
549         if(!passout)
550                 {
551                 passout = CONF_get_string(req_conf, SECTION, "output_password");
552                 if (!passout)
553                         ERR_clear_error();
554                 }
555
556         p = CONF_get_string(req_conf, SECTION, STRING_MASK);
557         if (!p)
558                 ERR_clear_error();
559
560         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
561                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
562                 goto end;
563         }
564
565         if(!req_exts)
566                 {
567                 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
568                 if (!req_exts)
569                         ERR_clear_error();
570                 }
571         if(req_exts) {
572                 /* Check syntax of file */
573                 X509V3_CTX ctx;
574                 X509V3_set_ctx_test(&ctx);
575                 X509V3_set_conf_lhash(&ctx, req_conf);
576                 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
577                         BIO_printf(bio_err,
578                          "Error Loading request extension section %s\n",
579                                                                 req_exts);
580                         goto end;
581                 }
582         }
583
584         in=BIO_new(BIO_s_file());
585         out=BIO_new(BIO_s_file());
586         if ((in == NULL) || (out == NULL))
587                 goto end;
588
589         e = setup_engine(bio_err, engine, 0);
590
591         if (keyfile != NULL)
592                 {
593                 pkey = load_key(bio_err, keyfile, keyform, NULL, e,
594                         "Private Key");
595                 if (!pkey)
596                         {
597                         /* load_key() has already printed an appropriate
598                            message */
599                         goto end;
600                         }
601                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
602                         {
603                         char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
604                         if (randfile == NULL)
605                                 ERR_clear_error();
606                         app_RAND_load_file(randfile, bio_err, 0);
607                         }
608                 }
609
610         if (newreq && (pkey == NULL))
611                 {
612                 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
613                 if (randfile == NULL)
614                         ERR_clear_error();
615                 app_RAND_load_file(randfile, bio_err, 0);
616                 if (inrand)
617                         app_RAND_load_files(inrand);
618         
619                 if (newkey <= 0)
620                         {
621                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
622                         if (newkey <= 0)
623                                 newkey=DEFAULT_KEY_LENGTH;
624                         }
625
626                 if (newkey < MIN_KEY_LENGTH)
627                         {
628                         BIO_printf(bio_err,"private key length is too short,\n");
629                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
630                         goto end;
631                         }
632                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
633                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
634
635                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
636
637 #ifndef OPENSSL_NO_RSA
638                 if (pkey_type == TYPE_RSA)
639                         {
640                         if (!EVP_PKEY_assign_RSA(pkey,
641                                 RSA_generate_key(newkey,0x10001,
642                                         req_cb,bio_err)))
643                                 goto end;
644                         }
645                 else
646 #endif
647 #ifndef OPENSSL_NO_DSA
648                         if (pkey_type == TYPE_DSA)
649                         {
650                         if (!DSA_generate_key(dsa_params)) goto end;
651                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
652                         dsa_params=NULL;
653                         }
654 #endif
655
656                 app_RAND_write_file(randfile, bio_err);
657
658                 if (pkey == NULL) goto end;
659
660                 if (keyout == NULL)
661                         {
662                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
663                         if (keyout == NULL)
664                                 ERR_clear_error();
665                         }
666                 
667                 if (keyout == NULL)
668                         {
669                         BIO_printf(bio_err,"writing new private key to stdout\n");
670                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
671 #ifdef OPENSSL_SYS_VMS
672                         {
673                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
674                         out = BIO_push(tmpbio, out);
675                         }
676 #endif
677                         }
678                 else
679                         {
680                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
681                         if (BIO_write_filename(out,keyout) <= 0)
682                                 {
683                                 perror(keyout);
684                                 goto end;
685                                 }
686                         }
687
688                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
689                 if (p == NULL)
690                         {
691                         ERR_clear_error();
692                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
693                         if (p == NULL)
694                                 ERR_clear_error();
695                         }
696                 if ((p != NULL) && (strcmp(p,"no") == 0))
697                         cipher=NULL;
698                 if (nodes) cipher=NULL;
699                 
700                 i=0;
701 loop:
702                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
703                         NULL,0,NULL,passout))
704                         {
705                         if ((ERR_GET_REASON(ERR_peek_error()) ==
706                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
707                                 {
708                                 ERR_clear_error();
709                                 i++;
710                                 goto loop;
711                                 }
712                         goto end;
713                         }
714                 BIO_printf(bio_err,"-----\n");
715                 }
716
717         if (!newreq)
718                 {
719                 /* Since we are using a pre-existing certificate
720                  * request, the kludge 'format' info should not be
721                  * changed. */
722                 kludge= -1;
723                 if (infile == NULL)
724                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
725                 else
726                         {
727                         if (BIO_read_filename(in,infile) <= 0)
728                                 {
729                                 perror(infile);
730                                 goto end;
731                                 }
732                         }
733
734                 if      (informat == FORMAT_ASN1)
735                         req=d2i_X509_REQ_bio(in,NULL);
736                 else if (informat == FORMAT_PEM)
737                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
738                 else
739                         {
740                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
741                         goto end;
742                         }
743                 if (req == NULL)
744                         {
745                         BIO_printf(bio_err,"unable to load X509 request\n");
746                         goto end;
747                         }
748                 }
749
750         if (newreq || x509)
751                 {
752                 if (pkey == NULL)
753                         {
754                         BIO_printf(bio_err,"you need to specify a private key\n");
755                         goto end;
756                         }
757 #ifndef OPENSSL_NO_DSA
758                 if (pkey->type == EVP_PKEY_DSA)
759                         digest=EVP_dss1();
760 #endif
761                 if (req == NULL)
762                         {
763                         req=X509_REQ_new();
764                         if (req == NULL)
765                                 {
766                                 goto end;
767                                 }
768
769                         i=make_REQ(req,pkey,subj,!x509);
770                         subj=NULL; /* done processing '-subj' option */
771                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
772                                 {
773                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
774                                 req->req_info->attributes = NULL;
775                                 }
776                         if (!i)
777                                 {
778                                 BIO_printf(bio_err,"problems making Certificate Request\n");
779                                 goto end;
780                                 }
781                         }
782                 if (x509)
783                         {
784                         EVP_PKEY *tmppkey;
785                         X509V3_CTX ext_ctx;
786                         if ((x509ss=X509_new()) == NULL) goto end;
787
788                         /* Set version to V3 */
789                         if(!X509_set_version(x509ss, 2)) goto end;
790                         if (serial)
791                                 X509_set_serialNumber(x509ss, serial);
792                         else
793                                 ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
794
795                         X509_set_issuer_name(x509ss,
796                                 X509_REQ_get_subject_name(req));
797                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
798                         X509_gmtime_adj(X509_get_notAfter(x509ss),
799                                 (long)60*60*24*days);
800                         X509_set_subject_name(x509ss,
801                                 X509_REQ_get_subject_name(req));
802                         tmppkey = X509_REQ_get_pubkey(req);
803                         X509_set_pubkey(x509ss,tmppkey);
804                         EVP_PKEY_free(tmppkey);
805
806                         /* Set up V3 context struct */
807
808                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
809                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
810
811                         /* Add extensions */
812                         if(extensions && !X509V3_EXT_add_conf(req_conf, 
813                                         &ext_ctx, extensions, x509ss))
814                                 {
815                                 BIO_printf(bio_err,
816                                         "Error Loading extension section %s\n",
817                                         extensions);
818                                 goto end;
819                                 }
820                         
821                         if (!(i=X509_sign(x509ss,pkey,digest)))
822                                 goto end;
823                         }
824                 else
825                         {
826                         X509V3_CTX ext_ctx;
827
828                         /* Set up V3 context struct */
829
830                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
831                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
832
833                         /* Add extensions */
834                         if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf, 
835                                         &ext_ctx, req_exts, req))
836                                 {
837                                 BIO_printf(bio_err,
838                                         "Error Loading extension section %s\n",
839                                         req_exts);
840                                 goto end;
841                                 }
842                         if (!(i=X509_REQ_sign(req,pkey,digest)))
843                                 goto end;
844                         }
845                 }
846
847         if (subj && x509)
848                 {
849                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
850                 goto end;
851                 }
852
853         if (subj && !x509)
854                 {
855                 if (verbose)
856                         {
857                         BIO_printf(bio_err, "Modifying Request's Subject\n");
858                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
859                         }
860
861                 if (build_subject(req, subj) == 0)
862                         {
863                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
864                         ex=1;
865                         goto end;
866                         }
867
868                 req->req_info->enc.modified = 1;
869
870                 if (verbose)
871                         {
872                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
873                         }
874                 }
875
876         if (verify && !x509)
877                 {
878                 int tmp=0;
879
880                 if (pkey == NULL)
881                         {
882                         pkey=X509_REQ_get_pubkey(req);
883                         tmp=1;
884                         if (pkey == NULL) goto end;
885                         }
886
887                 i=X509_REQ_verify(req,pkey);
888                 if (tmp) {
889                         EVP_PKEY_free(pkey);
890                         pkey=NULL;
891                 }
892
893                 if (i < 0)
894                         {
895                         goto end;
896                         }
897                 else if (i == 0)
898                         {
899                         BIO_printf(bio_err,"verify failure\n");
900                         }
901                 else /* if (i > 0) */
902                         BIO_printf(bio_err,"verify OK\n");
903                 }
904
905         if (noout && !text && !modulus && !subject)
906                 {
907                 ex=0;
908                 goto end;
909                 }
910
911         if (outfile == NULL)
912                 {
913                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
914 #ifdef OPENSSL_SYS_VMS
915                 {
916                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
917                 out = BIO_push(tmpbio, out);
918                 }
919 #endif
920                 }
921         else
922                 {
923                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
924                         i=(int)BIO_append_filename(out,outfile);
925                 else
926                         i=(int)BIO_write_filename(out,outfile);
927                 if (!i)
928                         {
929                         perror(outfile);
930                         goto end;
931                         }
932                 }
933
934         if (text)
935                 {
936                 if (x509)
937                         X509_print(out,x509ss);
938                 else    
939                         X509_REQ_print(out,req);
940                 }
941
942         if(subject) 
943                 {
944                 if(x509)
945                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
946                 else
947                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
948                 }
949
950         if (modulus)
951                 {
952                 EVP_PKEY *pubkey;
953
954                 if (x509)
955                         pubkey=X509_get_pubkey(x509ss);
956                 else
957                         pubkey=X509_REQ_get_pubkey(req);
958                 if (pubkey == NULL)
959                         {
960                         fprintf(stdout,"Modulus=unavailable\n");
961                         goto end; 
962                         }
963                 fprintf(stdout,"Modulus=");
964 #ifndef OPENSSL_NO_RSA
965                 if (pubkey->type == EVP_PKEY_RSA)
966                         BN_print(out,pubkey->pkey.rsa->n);
967                 else
968 #endif
969                         fprintf(stdout,"Wrong Algorithm type");
970                 fprintf(stdout,"\n");
971                 }
972
973         if (!noout && !x509)
974                 {
975                 if      (outformat == FORMAT_ASN1)
976                         i=i2d_X509_REQ_bio(out,req);
977                 else if (outformat == FORMAT_PEM) {
978                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
979                         else i=PEM_write_bio_X509_REQ(out,req);
980                 } else {
981                         BIO_printf(bio_err,"bad output format specified for outfile\n");
982                         goto end;
983                         }
984                 if (!i)
985                         {
986                         BIO_printf(bio_err,"unable to write X509 request\n");
987                         goto end;
988                         }
989                 }
990         if (!noout && x509 && (x509ss != NULL))
991                 {
992                 if      (outformat == FORMAT_ASN1)
993                         i=i2d_X509_bio(out,x509ss);
994                 else if (outformat == FORMAT_PEM)
995                         i=PEM_write_bio_X509(out,x509ss);
996                 else    {
997                         BIO_printf(bio_err,"bad output format specified for outfile\n");
998                         goto end;
999                         }
1000                 if (!i)
1001                         {
1002                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1003                         goto end;
1004                         }
1005                 }
1006         ex=0;
1007 end:
1008         if (ex)
1009                 {
1010                 ERR_print_errors(bio_err);
1011                 }
1012         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
1013         BIO_free(in);
1014         BIO_free_all(out);
1015         EVP_PKEY_free(pkey);
1016         X509_REQ_free(req);
1017         X509_free(x509ss);
1018         ASN1_INTEGER_free(serial);
1019         if(passargin && passin) OPENSSL_free(passin);
1020         if(passargout && passout) OPENSSL_free(passout);
1021         OBJ_cleanup();
1022 #ifndef OPENSSL_NO_DSA
1023         if (dsa_params != NULL) DSA_free(dsa_params);
1024 #endif
1025         EXIT(ex);
1026         }
1027
1028 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs)
1029         {
1030         int ret=0,i;
1031         char no_prompt = 0;
1032         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1033         char *tmp, *dn_sect,*attr_sect;
1034
1035         tmp=CONF_get_string(req_conf,SECTION,PROMPT);
1036         if (tmp == NULL)
1037                 ERR_clear_error();
1038         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1039
1040         dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1041         if (dn_sect == NULL)
1042                 {
1043                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1044                         DISTINGUISHED_NAME);
1045                 goto err;
1046                 }
1047         dn_sk=CONF_get_section(req_conf,dn_sect);
1048         if (dn_sk == NULL)
1049                 {
1050                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1051                 goto err;
1052                 }
1053
1054         attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
1055         if (attr_sect == NULL)
1056                 {
1057                 ERR_clear_error();              
1058                 attr_sk=NULL;
1059                 }
1060         else
1061                 {
1062                 attr_sk=CONF_get_section(req_conf,attr_sect);
1063                 if (attr_sk == NULL)
1064                         {
1065                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1066                         goto err;
1067                         }
1068                 }
1069
1070         /* setup version number */
1071         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1072
1073         if (no_prompt) 
1074                 i = auto_info(req, dn_sk, attr_sk, attribs);
1075         else 
1076                 {
1077                 if (subj)
1078                         i = build_subject(req, subj);
1079                 else
1080                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs);
1081                 }
1082         if(!i) goto err;
1083
1084         X509_REQ_set_pubkey(req,pkey);
1085
1086         ret=1;
1087 err:
1088         return(ret);
1089         }
1090
1091 static int build_subject(X509_REQ *req, char *subject)
1092         {
1093         X509_NAME *n = NULL;
1094
1095         int i, nid, ne_num=0;
1096
1097         char *ne_name = NULL;
1098         char *ne_value = NULL;
1099
1100         char *tmp = NULL;
1101         char *p[2];
1102
1103         char *str_list[256];
1104        
1105         p[0] = ",/";
1106         p[1] = "=";
1107
1108         n = X509_NAME_new();
1109
1110         tmp = strtok(subject, p[0]);
1111         while((tmp != NULL) && (ne_num < (sizeof str_list/sizeof *str_list)))
1112                 {
1113                 char *token = tmp;
1114
1115                 while (token[0] == ' ')
1116                         token++;
1117                 str_list[ne_num] = token;
1118
1119                 tmp = strtok(NULL, p[0]);
1120                 ne_num++;
1121                 }
1122
1123         for(i = 0; i < ne_num; i++)
1124                 {
1125                 ne_name  = strtok(str_list[i], p[1]);
1126                 ne_value = strtok(NULL, p[1]);
1127
1128                 if ((nid=OBJ_txt2nid(ne_name)) == NID_undef)
1129                         {
1130                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_name);
1131                         continue;
1132                         }
1133
1134                 if (ne_value == NULL)
1135                         {
1136                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_name);
1137                         continue;
1138                         }
1139
1140                 if (!X509_NAME_add_entry_by_NID(n, nid, MBSTRING_ASC, (unsigned char*)ne_value, -1,-1,0))
1141                         {
1142                         X509_NAME_free(n);
1143                         return 0;
1144                         }
1145                 }
1146
1147         if (!X509_REQ_set_subject_name(req, n))
1148                 return 0;
1149         X509_NAME_free(n);
1150         return 1;
1151 }
1152
1153
1154 static int prompt_info(X509_REQ *req,
1155                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1156                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs)
1157         {
1158         int i;
1159         char *p,*q;
1160         char buf[100];
1161         int nid,min,max;
1162         char *type,*def,*value;
1163         CONF_VALUE *v;
1164         X509_NAME *subj;
1165         subj = X509_REQ_get_subject_name(req);
1166
1167         if(!batch)
1168                 {
1169                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1170                 BIO_printf(bio_err,"into your certificate request.\n");
1171                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1172                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1173                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1174                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1175                 BIO_printf(bio_err,"-----\n");
1176                 }
1177
1178
1179         if (sk_CONF_VALUE_num(dn_sk))
1180                 {
1181                 i= -1;
1182 start:          for (;;)
1183                         {
1184                         i++;
1185                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1186
1187                         v=sk_CONF_VALUE_value(dn_sk,i);
1188                         p=q=NULL;
1189                         type=v->name;
1190                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1191                                 !check_end(type,"_default") ||
1192                                          !check_end(type,"_value")) continue;
1193                         /* Skip past any leading X. X: X, etc to allow for
1194                          * multiple instances 
1195                          */
1196                         for(p = v->name; *p ; p++) 
1197                                 if ((*p == ':') || (*p == ',') ||
1198                                                          (*p == '.')) {
1199                                         p++;
1200                                         if(*p) type = p;
1201                                         break;
1202                                 }
1203                         /* If OBJ not recognised ignore it */
1204                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1205                         sprintf(buf,"%s_default",v->name);
1206                         if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1207                                 {
1208                                 ERR_clear_error();
1209                                 def="";
1210                                 }
1211                                 
1212                         sprintf(buf,"%s_value",v->name);
1213                         if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1214                                 {
1215                                 ERR_clear_error();
1216                                 value=NULL;
1217                                 }
1218
1219                         sprintf(buf,"%s_min",v->name);
1220                         min=(int)CONF_get_number(req_conf,dn_sect,buf);
1221
1222                         sprintf(buf,"%s_max",v->name);
1223                         max=(int)CONF_get_number(req_conf,dn_sect,buf);
1224
1225                         if (!add_DN_object(subj,v->value,def,value,nid,
1226                                 min,max))
1227                                 return 0;
1228                         }
1229                 if (X509_NAME_entry_count(subj) == 0)
1230                         {
1231                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1232                         return 0;
1233                         }
1234
1235                 if (attribs)
1236                         {
1237                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1238                                 {
1239                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1240                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1241                                 }
1242
1243                         i= -1;
1244 start2:                 for (;;)
1245                                 {
1246                                 i++;
1247                                 if ((attr_sk == NULL) ||
1248                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1249                                         break;
1250
1251                                 v=sk_CONF_VALUE_value(attr_sk,i);
1252                                 type=v->name;
1253                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1254                                         goto start2;
1255
1256                                 sprintf(buf,"%s_default",type);
1257                                 if ((def=CONF_get_string(req_conf,attr_sect,buf))
1258                                         == NULL)
1259                                         {
1260                                         ERR_clear_error();
1261                                         def="";
1262                                         }
1263                                 
1264                                 
1265                                 sprintf(buf,"%s_value",type);
1266                                 if ((value=CONF_get_string(req_conf,attr_sect,buf))
1267                                         == NULL)
1268                                         {
1269                                         ERR_clear_error();
1270                                         value=NULL;
1271                                         }
1272
1273                                 sprintf(buf,"%s_min",type);
1274                                 min=(int)CONF_get_number(req_conf,attr_sect,buf);
1275
1276                                 sprintf(buf,"%s_max",type);
1277                                 max=(int)CONF_get_number(req_conf,attr_sect,buf);
1278
1279                                 if (!add_attribute_object(req,
1280                                         v->value,def,value,nid,min,max))
1281                                         return 0;
1282                                 }
1283                         }
1284                 }
1285         else
1286                 {
1287                 BIO_printf(bio_err,"No template, please set one up.\n");
1288                 return 0;
1289                 }
1290
1291         return 1;
1292
1293         }
1294
1295 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1296                         STACK_OF(CONF_VALUE) *attr_sk, int attribs)
1297         {
1298         int i;
1299         char *p,*q;
1300         char *type;
1301         CONF_VALUE *v;
1302         X509_NAME *subj;
1303
1304         subj = X509_REQ_get_subject_name(req);
1305
1306         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1307                 {
1308                 v=sk_CONF_VALUE_value(dn_sk,i);
1309                 p=q=NULL;
1310                 type=v->name;
1311                 /* Skip past any leading X. X: X, etc to allow for
1312                  * multiple instances 
1313                  */
1314                 for(p = v->name; *p ; p++) 
1315 #ifndef CHARSET_EBCDIC
1316                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1317 #else
1318                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1319 #endif
1320                                 p++;
1321                                 if(*p) type = p;
1322                                 break;
1323                         }
1324                 if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC,
1325                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1326
1327                 }
1328
1329                 if (!X509_NAME_entry_count(subj))
1330                         {
1331                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1332                         return 0;
1333                         }
1334                 if (attribs)
1335                         {
1336                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1337                                 {
1338                                 v=sk_CONF_VALUE_value(attr_sk,i);
1339                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, MBSTRING_ASC,
1340                                         (unsigned char *)v->value, -1)) return 0;
1341                                 }
1342                         }
1343         return 1;
1344         }
1345
1346
1347 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1348              int nid, int min, int max)
1349         {
1350         int i,ret=0;
1351         MS_STATIC char buf[1024];
1352 start:
1353         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1354         (void)BIO_flush(bio_err);
1355         if(value != NULL)
1356                 {
1357                 strcpy(buf,value);
1358                 strcat(buf,"\n");
1359                 BIO_printf(bio_err,"%s\n",value);
1360                 }
1361         else
1362                 {
1363                 buf[0]='\0';
1364                 if (!batch)
1365                         {
1366                         fgets(buf,1024,stdin);
1367                         }
1368                 else
1369                         {
1370                         buf[0] = '\n';
1371                         buf[1] = '\0';
1372                         }
1373                 }
1374
1375         if (buf[0] == '\0') return(0);
1376         else if (buf[0] == '\n')
1377                 {
1378                 if ((def == NULL) || (def[0] == '\0'))
1379                         return(1);
1380                 strcpy(buf,def);
1381                 strcat(buf,"\n");
1382                 }
1383         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1384
1385         i=strlen(buf);
1386         if (buf[i-1] != '\n')
1387                 {
1388                 BIO_printf(bio_err,"weird input :-(\n");
1389                 return(0);
1390                 }
1391         buf[--i]='\0';
1392 #ifdef CHARSET_EBCDIC
1393         ebcdic2ascii(buf, buf, i);
1394 #endif
1395         if(!req_check_len(i, min, max)) goto start;
1396         if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
1397                                 (unsigned char *) buf, -1,-1,0)) goto err;
1398         ret=1;
1399 err:
1400         return(ret);
1401         }
1402
1403 static int add_attribute_object(X509_REQ *req, char *text,
1404                                 char *def, char *value, int nid, int min,
1405                                 int max)
1406         {
1407         int i;
1408         static char buf[1024];
1409
1410 start:
1411         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1412         (void)BIO_flush(bio_err);
1413         if (value != NULL)
1414                 {
1415                 strcpy(buf,value);
1416                 strcat(buf,"\n");
1417                 BIO_printf(bio_err,"%s\n",value);
1418                 }
1419         else
1420                 {
1421                 buf[0]='\0';
1422                 if (!batch)
1423                         {
1424                         fgets(buf,1024,stdin);
1425                         }
1426                 else
1427                         {
1428                         buf[0] = '\n';
1429                         buf[1] = '\0';
1430                         }
1431                 }
1432
1433         if (buf[0] == '\0') return(0);
1434         else if (buf[0] == '\n')
1435                 {
1436                 if ((def == NULL) || (def[0] == '\0'))
1437                         return(1);
1438                 strcpy(buf,def);
1439                 strcat(buf,"\n");
1440                 }
1441         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1442
1443         i=strlen(buf);
1444         if (buf[i-1] != '\n')
1445                 {
1446                 BIO_printf(bio_err,"weird input :-(\n");
1447                 return(0);
1448                 }
1449         buf[--i]='\0';
1450 #ifdef CHARSET_EBCDIC
1451         ebcdic2ascii(buf, buf, i);
1452 #endif
1453         if(!req_check_len(i, min, max)) goto start;
1454
1455         if(!X509_REQ_add1_attr_by_NID(req, nid, MBSTRING_ASC,
1456                                         (unsigned char *)buf, -1)) {
1457                 BIO_printf(bio_err, "Error adding attribute\n");
1458                 ERR_print_errors(bio_err);
1459                 goto err;
1460         }
1461
1462         return(1);
1463 err:
1464         return(0);
1465         }
1466
1467 #ifndef OPENSSL_NO_RSA
1468 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1469         {
1470         char c='*';
1471
1472         if (p == 0) c='.';
1473         if (p == 1) c='+';
1474         if (p == 2) c='*';
1475         if (p == 3) c='\n';
1476         BIO_write((BIO *)arg,&c,1);
1477         (void)BIO_flush((BIO *)arg);
1478 #ifdef LINT
1479         p=n;
1480 #endif
1481         }
1482 #endif
1483
1484 static int req_check_len(int len, int min, int max)
1485         {
1486         if (len < min)
1487                 {
1488                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1489                 return(0);
1490                 }
1491         if ((max != 0) && (len > max))
1492                 {
1493                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1494                 return(0);
1495                 }
1496         return(1);
1497         }
1498
1499 /* Check if the end of a string matches 'end' */
1500 static int check_end(char *str, char *end)
1501 {
1502         int elen, slen; 
1503         char *tmp;
1504         elen = strlen(end);
1505         slen = strlen(str);
1506         if(elen > slen) return 1;
1507         tmp = str + slen - elen;
1508         return strcmp(tmp, end);
1509 }