non-Monolith fixes.
[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
77 #define SECTION         "req"
78
79 #define BITS            "default_bits"
80 #define KEYFILE         "default_keyfile"
81 #define PROMPT          "prompt"
82 #define DISTINGUISHED_NAME      "distinguished_name"
83 #define ATTRIBUTES      "attributes"
84 #define V3_EXTENSIONS   "x509_extensions"
85 #define REQ_EXTENSIONS  "req_extensions"
86 #define STRING_MASK     "string_mask"
87 #define UTF8_IN         "utf8"
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  * -pubkey      - output Public Key.
110  * -x509        - output a self signed X509 structure instead.
111  * -asn1-kludge - output new certificate request in a format that some CA's
112  *                require.  This format is wrong
113  */
114
115 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
116                 unsigned long chtype);
117 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
118 static int prompt_info(X509_REQ *req,
119                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
120                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
121                 unsigned long chtype);
122 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
123                                 STACK_OF(CONF_VALUE) *attr, int attribs,
124                                 unsigned long chtype);
125 static int add_attribute_object(X509_REQ *req, char *text,
126                                 char *def, char *value, int nid, int n_min,
127                                 int n_max, unsigned long chtype);
128 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
129         int nid,int n_min,int n_max, unsigned long chtype);
130 #ifndef OPENSSL_NO_RSA
131 static void MS_CALLBACK req_cb(int p,int n,void *arg);
132 #endif
133 static int req_check_len(int len,int n_min,int n_max);
134 static int check_end(char *str, char *end);
135 #ifndef MONOLITH
136 static char *default_config_file=NULL;
137 static CONF *config=NULL;
138 #endif
139 static CONF *req_conf=NULL;
140 static int batch=0;
141
142 #define TYPE_RSA        1
143 #define TYPE_DSA        2
144 #define TYPE_DH         3
145 #define TYPE_ECDSA      4
146
147 int MAIN(int, char **);
148
149 int MAIN(int argc, char **argv)
150         {
151         ENGINE *e = NULL;
152 #ifndef OPENSSL_NO_DSA
153         DSA *dsa_params=NULL;
154 #endif
155 #ifndef OPENSSL_NO_ECDSA
156         ECDSA *ecdsa_params = NULL;
157 #endif
158         unsigned long nmflag = 0;
159         int ex=1,x509=0,days=30;
160         X509 *x509ss=NULL;
161         X509_REQ *req=NULL;
162         EVP_PKEY *pkey=NULL;
163         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
164         long newkey = -1;
165         BIO *in=NULL,*out=NULL;
166         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
167         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
168         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
169         char *engine=NULL;
170         char *extensions = NULL;
171         char *req_exts = NULL;
172         const EVP_CIPHER *cipher=NULL;
173         ASN1_INTEGER *serial = NULL;
174         int modulus=0;
175         char *inrand=NULL;
176         char *passargin = NULL, *passargout = NULL;
177         char *passin = NULL, *passout = NULL;
178         char *p;
179         char *subj = NULL;
180         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
181         unsigned long chtype = MBSTRING_ASC;
182 #ifndef MONOLITH
183         MS_STATIC char config_name[256];
184         long errline;
185 #endif
186
187         req_conf = NULL;
188 #ifndef OPENSSL_NO_DES
189         cipher=EVP_des_ede3_cbc();
190 #endif
191         apps_startup();
192
193         if (bio_err == NULL)
194                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
195                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
196
197         infile=NULL;
198         outfile=NULL;
199         informat=FORMAT_PEM;
200         outformat=FORMAT_PEM;
201
202         prog=argv[0];
203         argc--;
204         argv++;
205         while (argc >= 1)
206                 {
207                 if      (strcmp(*argv,"-inform") == 0)
208                         {
209                         if (--argc < 1) goto bad;
210                         informat=str2fmt(*(++argv));
211                         }
212                 else if (strcmp(*argv,"-outform") == 0)
213                         {
214                         if (--argc < 1) goto bad;
215                         outformat=str2fmt(*(++argv));
216                         }
217                 else if (strcmp(*argv,"-engine") == 0)
218                         {
219                         if (--argc < 1) goto bad;
220                         engine= *(++argv);
221                         }
222                 else if (strcmp(*argv,"-key") == 0)
223                         {
224                         if (--argc < 1) goto bad;
225                         keyfile= *(++argv);
226                         }
227                 else if (strcmp(*argv,"-pubkey") == 0)
228                         {
229                         pubkey=1;
230                         }
231                 else if (strcmp(*argv,"-new") == 0)
232                         {
233                         newreq=1;
234                         }
235                 else if (strcmp(*argv,"-config") == 0)
236                         {       
237                         if (--argc < 1) goto bad;
238                         template= *(++argv);
239                         }
240                 else if (strcmp(*argv,"-keyform") == 0)
241                         {
242                         if (--argc < 1) goto bad;
243                         keyform=str2fmt(*(++argv));
244                         }
245                 else if (strcmp(*argv,"-in") == 0)
246                         {
247                         if (--argc < 1) goto bad;
248                         infile= *(++argv);
249                         }
250                 else if (strcmp(*argv,"-out") == 0)
251                         {
252                         if (--argc < 1) goto bad;
253                         outfile= *(++argv);
254                         }
255                 else if (strcmp(*argv,"-keyout") == 0)
256                         {
257                         if (--argc < 1) goto bad;
258                         keyout= *(++argv);
259                         }
260                 else if (strcmp(*argv,"-passin") == 0)
261                         {
262                         if (--argc < 1) goto bad;
263                         passargin= *(++argv);
264                         }
265                 else if (strcmp(*argv,"-passout") == 0)
266                         {
267                         if (--argc < 1) goto bad;
268                         passargout= *(++argv);
269                         }
270                 else if (strcmp(*argv,"-rand") == 0)
271                         {
272                         if (--argc < 1) goto bad;
273                         inrand= *(++argv);
274                         }
275                 else if (strcmp(*argv,"-newkey") == 0)
276                         {
277                         int is_numeric;
278
279                         if (--argc < 1) goto bad;
280                         p= *(++argv);
281                         is_numeric = p[0] >= '0' && p[0] <= '9';
282                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
283                                 {
284                                 pkey_type=TYPE_RSA;
285                                 if(!is_numeric)
286                                     p+=4;
287                                 newkey= atoi(p);
288                                 }
289                         else
290 #ifndef OPENSSL_NO_DSA
291                                 if (strncmp("dsa:",p,4) == 0)
292                                 {
293                                 X509 *xtmp=NULL;
294                                 EVP_PKEY *dtmp;
295
296                                 pkey_type=TYPE_DSA;
297                                 p+=4;
298                                 if ((in=BIO_new_file(p,"r")) == NULL)
299                                         {
300                                         perror(p);
301                                         goto end;
302                                         }
303                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
304                                         {
305                                         ERR_clear_error();
306                                         (void)BIO_reset(in);
307                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
308                                                 {
309                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
310                                                 goto end;
311                                                 }
312
313                                         dtmp=X509_get_pubkey(xtmp);
314                                         if (dtmp->type == EVP_PKEY_DSA)
315                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
316                                         EVP_PKEY_free(dtmp);
317                                         X509_free(xtmp);
318                                         if (dsa_params == NULL)
319                                                 {
320                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
321                                                 goto end;
322                                                 }
323                                         }
324                                 BIO_free(in);
325                                 in=NULL;
326                                 newkey=BN_num_bits(dsa_params->p);
327                                 }
328                         else 
329 #endif
330 #ifndef OPENSSL_NO_ECDSA
331                                 if (strncmp("ecdsa:",p,4) == 0)
332                                 {
333                                 X509 *xtmp=NULL;
334                                 EVP_PKEY *dtmp;
335
336                                 pkey_type=TYPE_ECDSA;
337                                 p+=6;
338                                 if ((in=BIO_new_file(p,"r")) == NULL)
339                                         {
340                                         perror(p);
341                                         goto end;
342                                         }
343                                 if ((ecdsa_params = PEM_read_bio_ECDSAParameters(in, NULL, NULL, NULL)) == NULL)
344                                         {
345                                         ERR_clear_error();
346                                         (void)BIO_reset(in);
347                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
348                                                 {       
349                                                 BIO_printf(bio_err,"unable to load ECDSA parameters from file\n");
350                                                 goto end;
351                                                 }
352
353                                         dtmp=X509_get_pubkey(xtmp);
354                                         if (dtmp->type == EVP_PKEY_ECDSA)
355                                                 ecdsa_params = ECDSAParameters_dup(dtmp->pkey.ecdsa);
356                                         EVP_PKEY_free(dtmp);
357                                         X509_free(xtmp);
358                                         if (ecdsa_params == NULL)
359                                                 {
360                                                 BIO_printf(bio_err,"Certificate does not contain ECDSA parameters\n");
361                                                 goto end;
362                                                 }
363                                         }
364
365                                 BIO_free(in);
366                                 in=NULL;
367                                 
368                                 {
369                                 BIGNUM *order = BN_new();
370                                 
371                                 if (!order)
372                                         goto end;
373                                 if (!EC_GROUP_get_order(ecdsa_params->group, order, NULL))
374                                         goto end;
375                                 newkey = BN_num_bits(order);
376                                 BN_free(order);
377                                 }
378
379                                 }
380                         else
381 #endif
382 #ifndef OPENSSL_NO_DH
383                                 if (strncmp("dh:",p,4) == 0)
384                                 {
385                                 pkey_type=TYPE_DH;
386                                 p+=3;
387                                 }
388                         else
389 #endif
390                                 pkey_type=TYPE_RSA;
391
392                         newreq=1;
393                         }
394                 else if (strcmp(*argv,"-batch") == 0)
395                         batch=1;
396                 else if (strcmp(*argv,"-newhdr") == 0)
397                         newhdr=1;
398                 else if (strcmp(*argv,"-modulus") == 0)
399                         modulus=1;
400                 else if (strcmp(*argv,"-verify") == 0)
401                         verify=1;
402                 else if (strcmp(*argv,"-nodes") == 0)
403                         nodes=1;
404                 else if (strcmp(*argv,"-noout") == 0)
405                         noout=1;
406                 else if (strcmp(*argv,"-verbose") == 0)
407                         verbose=1;
408                 else if (strcmp(*argv,"-utf8") == 0)
409                         chtype = MBSTRING_UTF8;
410                 else if (strcmp(*argv,"-nameopt") == 0)
411                         {
412                         if (--argc < 1) goto bad;
413                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
414                         }
415                 else if (strcmp(*argv,"-subject") == 0)
416                         subject=1;
417                 else if (strcmp(*argv,"-text") == 0)
418                         text=1;
419                 else if (strcmp(*argv,"-x509") == 0)
420                         x509=1;
421                 else if (strcmp(*argv,"-asn1-kludge") == 0)
422                         kludge=1;
423                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
424                         kludge=0;
425                 else if (strcmp(*argv,"-subj") == 0)
426                         {
427                         if (--argc < 1) goto bad;
428                         subj= *(++argv);
429                         }
430                 else if (strcmp(*argv,"-days") == 0)
431                         {
432                         if (--argc < 1) goto bad;
433                         days= atoi(*(++argv));
434                         if (days == 0) days=30;
435                         }
436                 else if (strcmp(*argv,"-set_serial") == 0)
437                         {
438                         if (--argc < 1) goto bad;
439                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
440                         if (!serial) goto bad;
441                         }
442                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
443                         {
444                         /* ok */
445                         digest=md_alg;
446                         }
447                 else if (strcmp(*argv,"-extensions") == 0)
448                         {
449                         if (--argc < 1) goto bad;
450                         extensions = *(++argv);
451                         }
452                 else if (strcmp(*argv,"-reqexts") == 0)
453                         {
454                         if (--argc < 1) goto bad;
455                         req_exts = *(++argv);
456                         }
457                 else
458                         {
459                         BIO_printf(bio_err,"unknown option %s\n",*argv);
460                         badops=1;
461                         break;
462                         }
463                 argc--;
464                 argv++;
465                 }
466
467         if (badops)
468                 {
469 bad:
470                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
471                 BIO_printf(bio_err,"where options  are\n");
472                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
473                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
474                 BIO_printf(bio_err," -in arg        input file\n");
475                 BIO_printf(bio_err," -out arg       output file\n");
476                 BIO_printf(bio_err," -text          text form of request\n");
477                 BIO_printf(bio_err," -pubkey        output public key\n");
478                 BIO_printf(bio_err," -noout         do not output REQ\n");
479                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
480                 BIO_printf(bio_err," -modulus       RSA modulus\n");
481                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
482                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
483                 BIO_printf(bio_err," -subject       output the request's subject\n");
484                 BIO_printf(bio_err," -passin        private key password source\n");
485                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
486                 BIO_printf(bio_err," -keyform arg   key file format\n");
487                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
488                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
489                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
490                 BIO_printf(bio_err,"                the random number generator\n");
491                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
492                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
493                 BIO_printf(bio_err," -newkey ecdsa:file generate a new ECDSA key, parameters taken from CA in 'file'\n");
494                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
495                 BIO_printf(bio_err," -config file   request template file.\n");
496                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
497                 BIO_printf(bio_err," -new           new request.\n");
498                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
499                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
500                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
501                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
502                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
503                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
504                 BIO_printf(bio_err,"                have been reported as requiring\n");
505                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
506                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
507                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
508                 goto end;
509                 }
510
511         ERR_load_crypto_strings();
512         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
513                 BIO_printf(bio_err, "Error getting passwords\n");
514                 goto end;
515         }
516
517 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
518         /* Lets load up our environment a little */
519         p=getenv("OPENSSL_CONF");
520         if (p == NULL)
521                 p=getenv("SSLEAY_CONF");
522         if (p == NULL)
523                 {
524                 strcpy(config_name,X509_get_default_cert_area());
525 #ifndef OPENSSL_SYS_VMS
526                 strcat(config_name,"/");
527 #endif
528                 strcat(config_name,OPENSSL_CONF);
529                 p=config_name;
530                 }
531         default_config_file=p;
532         config=NCONF_new(NULL);
533         i=NCONF_load(config, p, &errline);
534 #endif
535
536         if (template != NULL)
537                 {
538                 long errline;
539
540                 if( verbose )
541                         BIO_printf(bio_err,"Using configuration from %s\n",template);
542                 req_conf=NCONF_new(NULL);
543                 i=NCONF_load(req_conf,template,&errline);
544                 if (i == 0)
545                         {
546                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
547                         goto end;
548                         }
549                 }
550         else
551                 {
552                 req_conf=config;
553                 if( verbose )
554                         BIO_printf(bio_err,"Using configuration from %s\n",
555                         default_config_file);
556                 if (req_conf == NULL)
557                         {
558                         BIO_printf(bio_err,"Unable to load config info\n");
559                         }
560                 }
561
562         if (req_conf != NULL)
563                 {
564                 if (!load_config(bio_err, req_conf))
565                         goto end;
566                 p=NCONF_get_string(req_conf,NULL,"oid_file");
567                 if (p == NULL)
568                         ERR_clear_error();
569                 if (p != NULL)
570                         {
571                         BIO *oid_bio;
572
573                         oid_bio=BIO_new_file(p,"r");
574                         if (oid_bio == NULL) 
575                                 {
576                                 /*
577                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
578                                 ERR_print_errors(bio_err);
579                                 */
580                                 }
581                         else
582                                 {
583                                 OBJ_create_objects(oid_bio);
584                                 BIO_free(oid_bio);
585                                 }
586                         }
587                 }
588         if(!add_oid_section(bio_err, req_conf)) goto end;
589
590         if (md_alg == NULL)
591                 {
592                 p=NCONF_get_string(req_conf,SECTION,"default_md");
593                 if (p == NULL)
594                         ERR_clear_error();
595                 if (p != NULL)
596                         {
597                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
598                                 digest=md_alg;
599                         }
600                 }
601
602         if (!extensions)
603                 {
604                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
605                 if (!extensions)
606                         ERR_clear_error();
607                 }
608         if (extensions) {
609                 /* Check syntax of file */
610                 X509V3_CTX ctx;
611                 X509V3_set_ctx_test(&ctx);
612                 X509V3_set_nconf(&ctx, req_conf);
613                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
614                         BIO_printf(bio_err,
615                          "Error Loading extension section %s\n", extensions);
616                         goto end;
617                 }
618         }
619
620         if(!passin)
621                 {
622                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
623                 if (!passin)
624                         ERR_clear_error();
625                 }
626         
627         if(!passout)
628                 {
629                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
630                 if (!passout)
631                         ERR_clear_error();
632                 }
633
634         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
635         if (!p)
636                 ERR_clear_error();
637
638         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
639                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
640                 goto end;
641         }
642
643         if (chtype != MBSTRING_UTF8)
644                 {
645                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
646                 if (!p)
647                         ERR_clear_error();
648                 else if (!strcmp(p, "yes"))
649                         chtype = MBSTRING_UTF8;
650                 }
651
652
653         if(!req_exts)
654                 {
655                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
656                 if (!req_exts)
657                         ERR_clear_error();
658                 }
659         if(req_exts) {
660                 /* Check syntax of file */
661                 X509V3_CTX ctx;
662                 X509V3_set_ctx_test(&ctx);
663                 X509V3_set_nconf(&ctx, req_conf);
664                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
665                         BIO_printf(bio_err,
666                          "Error Loading request extension section %s\n",
667                                                                 req_exts);
668                         goto end;
669                 }
670         }
671
672         in=BIO_new(BIO_s_file());
673         out=BIO_new(BIO_s_file());
674         if ((in == NULL) || (out == NULL))
675                 goto end;
676
677         e = setup_engine(bio_err, engine, 0);
678
679         if (keyfile != NULL)
680                 {
681                 pkey = load_key(bio_err, keyfile, keyform, passin, e,
682                         "Private Key");
683                 if (!pkey)
684                         {
685                         /* load_key() has already printed an appropriate
686                            message */
687                         goto end;
688                         }
689                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA || EVP_PKEY_type(pkey->type) == EVP_PKEY_ECDSA)
690                         {
691                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
692                         if (randfile == NULL)
693                                 ERR_clear_error();
694                         app_RAND_load_file(randfile, bio_err, 0);
695                         }
696                 }
697
698         if (newreq && (pkey == NULL))
699                 {
700                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
701                 if (randfile == NULL)
702                         ERR_clear_error();
703                 app_RAND_load_file(randfile, bio_err, 0);
704                 if (inrand)
705                         app_RAND_load_files(inrand);
706         
707                 if (newkey <= 0)
708                         {
709                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
710                                 newkey=DEFAULT_KEY_LENGTH;
711                         }
712
713                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
714                 /* TODO: appropriate minimal keylength for the different algorithm (esp. ECDSA) */
715                         {
716                         BIO_printf(bio_err,"private key length is too short,\n");
717                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
718                         goto end;
719                         }
720                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
721                         newkey,(pkey_type == TYPE_RSA)?"RSA":(pkey_type == TYPE_DSA)?"DSA":"ECDSA");
722
723                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
724
725 #ifndef OPENSSL_NO_RSA
726                 if (pkey_type == TYPE_RSA)
727                         {
728                         if (!EVP_PKEY_assign_RSA(pkey,
729                                 RSA_generate_key(newkey,0x10001,
730                                         req_cb,bio_err)))
731                                 goto end;
732                         }
733                 else
734 #endif
735 #ifndef OPENSSL_NO_DSA
736                         if (pkey_type == TYPE_DSA)
737                         {
738                         if (!DSA_generate_key(dsa_params)) goto end;
739                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
740                         dsa_params=NULL;
741                         }
742 #endif
743 #ifndef OPENSSL_NO_ECDSA
744                         if (pkey_type == TYPE_ECDSA)
745                         {
746                         if (!ECDSA_generate_key(ecdsa_params)) goto end;
747                         if (!EVP_PKEY_assign_ECDSA(pkey, ecdsa_params)) goto end;
748                         ecdsa_params = NULL;
749                         }
750 #endif
751
752                 app_RAND_write_file(randfile, bio_err);
753
754                 if (pkey == NULL) goto end;
755
756                 if (keyout == NULL)
757                         {
758                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
759                         if (keyout == NULL)
760                                 ERR_clear_error();
761                         }
762                 
763                 if (keyout == NULL)
764                         {
765                         BIO_printf(bio_err,"writing new private key to stdout\n");
766                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
767 #ifdef OPENSSL_SYS_VMS
768                         {
769                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
770                         out = BIO_push(tmpbio, out);
771                         }
772 #endif
773                         }
774                 else
775                         {
776                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
777                         if (BIO_write_filename(out,keyout) <= 0)
778                                 {
779                                 perror(keyout);
780                                 goto end;
781                                 }
782                         }
783
784                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
785                 if (p == NULL)
786                         {
787                         ERR_clear_error();
788                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
789                         if (p == NULL)
790                                 ERR_clear_error();
791                         }
792                 if ((p != NULL) && (strcmp(p,"no") == 0))
793                         cipher=NULL;
794                 if (nodes) cipher=NULL;
795                 
796                 i=0;
797 loop:
798                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
799                         NULL,0,NULL,passout))
800                         {
801                         if ((ERR_GET_REASON(ERR_peek_error()) ==
802                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
803                                 {
804                                 ERR_clear_error();
805                                 i++;
806                                 goto loop;
807                                 }
808                         goto end;
809                         }
810                 BIO_printf(bio_err,"-----\n");
811                 }
812
813         if (!newreq)
814                 {
815                 /* Since we are using a pre-existing certificate
816                  * request, the kludge 'format' info should not be
817                  * changed. */
818                 kludge= -1;
819                 if (infile == NULL)
820                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
821                 else
822                         {
823                         if (BIO_read_filename(in,infile) <= 0)
824                                 {
825                                 perror(infile);
826                                 goto end;
827                                 }
828                         }
829
830                 if      (informat == FORMAT_ASN1)
831                         req=d2i_X509_REQ_bio(in,NULL);
832                 else if (informat == FORMAT_PEM)
833                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
834                 else
835                         {
836                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
837                         goto end;
838                         }
839                 if (req == NULL)
840                         {
841                         BIO_printf(bio_err,"unable to load X509 request\n");
842                         goto end;
843                         }
844                 }
845
846         if (newreq || x509)
847                 {
848                 if (pkey == NULL)
849                         {
850                         BIO_printf(bio_err,"you need to specify a private key\n");
851                         goto end;
852                         }
853 #ifndef OPENSSL_NO_DSA
854                 if (pkey->type == EVP_PKEY_DSA)
855                         digest=EVP_dss1();
856 #endif
857 #ifndef OPENSSL_NO_ECDSA
858                 if (pkey->type == EVP_PKEY_ECDSA)
859                         digest=EVP_ecdsa();
860 #endif
861                 if (req == NULL)
862                         {
863                         req=X509_REQ_new();
864                         if (req == NULL)
865                                 {
866                                 goto end;
867                                 }
868
869                         i=make_REQ(req,pkey,subj,!x509, chtype);
870                         subj=NULL; /* done processing '-subj' option */
871                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
872                                 {
873                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
874                                 req->req_info->attributes = NULL;
875                                 }
876                         if (!i)
877                                 {
878                                 BIO_printf(bio_err,"problems making Certificate Request\n");
879                                 goto end;
880                                 }
881                         }
882                 if (x509)
883                         {
884                         EVP_PKEY *tmppkey;
885                         X509V3_CTX ext_ctx;
886                         if ((x509ss=X509_new()) == NULL) goto end;
887
888                         /* Set version to V3 */
889                         if(!X509_set_version(x509ss, 2)) goto end;
890                         if (serial)
891                                 X509_set_serialNumber(x509ss, serial);
892                         else
893                                 ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
894
895                         X509_set_issuer_name(x509ss,
896                                 X509_REQ_get_subject_name(req));
897                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
898                         X509_gmtime_adj(X509_get_notAfter(x509ss),
899                                 (long)60*60*24*days);
900                         X509_set_subject_name(x509ss,
901                                 X509_REQ_get_subject_name(req));
902                         tmppkey = X509_REQ_get_pubkey(req);
903                         X509_set_pubkey(x509ss,tmppkey);
904                         EVP_PKEY_free(tmppkey);
905
906                         /* Set up V3 context struct */
907
908                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
909                         X509V3_set_nconf(&ext_ctx, req_conf);
910
911                         /* Add extensions */
912                         if(extensions && !X509V3_EXT_add_nconf(req_conf, 
913                                         &ext_ctx, extensions, x509ss))
914                                 {
915                                 BIO_printf(bio_err,
916                                         "Error Loading extension section %s\n",
917                                         extensions);
918                                 goto end;
919                                 }
920                         
921                         if (!(i=X509_sign(x509ss,pkey,digest)))
922                                 goto end;
923                         }
924                 else
925                         {
926                         X509V3_CTX ext_ctx;
927
928                         /* Set up V3 context struct */
929
930                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
931                         X509V3_set_nconf(&ext_ctx, req_conf);
932
933                         /* Add extensions */
934                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 
935                                         &ext_ctx, req_exts, req))
936                                 {
937                                 BIO_printf(bio_err,
938                                         "Error Loading extension section %s\n",
939                                         req_exts);
940                                 goto end;
941                                 }
942                         if (!(i=X509_REQ_sign(req,pkey,digest)))
943                                 goto end;
944                         }
945                 }
946
947         if (subj && x509)
948                 {
949                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
950                 goto end;
951                 }
952
953         if (subj && !x509)
954                 {
955                 if (verbose)
956                         {
957                         BIO_printf(bio_err, "Modifying Request's Subject\n");
958                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
959                         }
960
961                 if (build_subject(req, subj, chtype) == 0)
962                         {
963                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
964                         ex=1;
965                         goto end;
966                         }
967
968                 req->req_info->enc.modified = 1;
969
970                 if (verbose)
971                         {
972                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
973                         }
974                 }
975
976         if (verify && !x509)
977                 {
978                 int tmp=0;
979
980                 if (pkey == NULL)
981                         {
982                         pkey=X509_REQ_get_pubkey(req);
983                         tmp=1;
984                         if (pkey == NULL) goto end;
985                         }
986
987                 i=X509_REQ_verify(req,pkey);
988                 if (tmp) {
989                         EVP_PKEY_free(pkey);
990                         pkey=NULL;
991                 }
992
993                 if (i < 0)
994                         {
995                         goto end;
996                         }
997                 else if (i == 0)
998                         {
999                         BIO_printf(bio_err,"verify failure\n");
1000                         ERR_print_errors(bio_err);
1001                         }
1002                 else /* if (i > 0) */
1003                         BIO_printf(bio_err,"verify OK\n");
1004                 }
1005
1006         if (noout && !text && !modulus && !subject && !pubkey)
1007                 {
1008                 ex=0;
1009                 goto end;
1010                 }
1011
1012         if (outfile == NULL)
1013                 {
1014                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1015 #ifdef OPENSSL_SYS_VMS
1016                 {
1017                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1018                 out = BIO_push(tmpbio, out);
1019                 }
1020 #endif
1021                 }
1022         else
1023                 {
1024                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1025                         i=(int)BIO_append_filename(out,outfile);
1026                 else
1027                         i=(int)BIO_write_filename(out,outfile);
1028                 if (!i)
1029                         {
1030                         perror(outfile);
1031                         goto end;
1032                         }
1033                 }
1034
1035         if (pubkey)
1036                 {
1037                 EVP_PKEY *tpubkey; 
1038                 tpubkey=X509_REQ_get_pubkey(req);
1039                 if (tpubkey == NULL)
1040                         {
1041                         BIO_printf(bio_err,"Error getting public key\n");
1042                         ERR_print_errors(bio_err);
1043                         goto end;
1044                         }
1045                 PEM_write_bio_PUBKEY(out, tpubkey);
1046                 EVP_PKEY_free(tpubkey);
1047                 }
1048
1049         if (text)
1050                 {
1051                 if (x509)
1052                         X509_print(out,x509ss);
1053                 else    
1054                         X509_REQ_print(out,req);
1055                 }
1056
1057         if(subject) 
1058                 {
1059                 if(x509)
1060                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1061                 else
1062                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1063                 }
1064
1065         if (modulus)
1066                 {
1067                 EVP_PKEY *tpubkey;
1068
1069                 if (x509)
1070                         tpubkey=X509_get_pubkey(x509ss);
1071                 else
1072                         tpubkey=X509_REQ_get_pubkey(req);
1073                 if (tpubkey == NULL)
1074                         {
1075                         fprintf(stdout,"Modulus=unavailable\n");
1076                         goto end; 
1077                         }
1078                 fprintf(stdout,"Modulus=");
1079 #ifndef OPENSSL_NO_RSA
1080                 if (tpubkey->type == EVP_PKEY_RSA)
1081                         BN_print(out,tpubkey->pkey.rsa->n);
1082                 else
1083 #endif
1084                         fprintf(stdout,"Wrong Algorithm type");
1085                 EVP_PKEY_free(tpubkey);
1086                 fprintf(stdout,"\n");
1087                 }
1088
1089         if (!noout && !x509)
1090                 {
1091                 if      (outformat == FORMAT_ASN1)
1092                         i=i2d_X509_REQ_bio(out,req);
1093                 else if (outformat == FORMAT_PEM) {
1094                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1095                         else i=PEM_write_bio_X509_REQ(out,req);
1096                 } else {
1097                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1098                         goto end;
1099                         }
1100                 if (!i)
1101                         {
1102                         BIO_printf(bio_err,"unable to write X509 request\n");
1103                         goto end;
1104                         }
1105                 }
1106         if (!noout && x509 && (x509ss != NULL))
1107                 {
1108                 if      (outformat == FORMAT_ASN1)
1109                         i=i2d_X509_bio(out,x509ss);
1110                 else if (outformat == FORMAT_PEM)
1111                         i=PEM_write_bio_X509(out,x509ss);
1112                 else    {
1113                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1114                         goto end;
1115                         }
1116                 if (!i)
1117                         {
1118                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1119                         goto end;
1120                         }
1121                 }
1122         ex=0;
1123 end:
1124         if (ex)
1125                 {
1126                 ERR_print_errors(bio_err);
1127                 }
1128         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1129         BIO_free(in);
1130         BIO_free_all(out);
1131         EVP_PKEY_free(pkey);
1132         X509_REQ_free(req);
1133         X509_free(x509ss);
1134         ASN1_INTEGER_free(serial);
1135         if(passargin && passin) OPENSSL_free(passin);
1136         if(passargout && passout) OPENSSL_free(passout);
1137         OBJ_cleanup();
1138 #ifndef OPENSSL_NO_DSA
1139         if (dsa_params != NULL) DSA_free(dsa_params);
1140 #endif
1141 #ifndef OPENSSL_NO_ECDSA
1142         if (ecdsa_params != NULL) ECDSA_free(ecdsa_params);
1143 #endif
1144         apps_shutdown();
1145         EXIT(ex);
1146         }
1147
1148 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1149                         unsigned long chtype)
1150         {
1151         int ret=0,i;
1152         char no_prompt = 0;
1153         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1154         char *tmp, *dn_sect,*attr_sect;
1155
1156         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1157         if (tmp == NULL)
1158                 ERR_clear_error();
1159         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1160
1161         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1162         if (dn_sect == NULL)
1163                 {
1164                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1165                         DISTINGUISHED_NAME);
1166                 goto err;
1167                 }
1168         dn_sk=NCONF_get_section(req_conf,dn_sect);
1169         if (dn_sk == NULL)
1170                 {
1171                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1172                 goto err;
1173                 }
1174
1175         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1176         if (attr_sect == NULL)
1177                 {
1178                 ERR_clear_error();              
1179                 attr_sk=NULL;
1180                 }
1181         else
1182                 {
1183                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1184                 if (attr_sk == NULL)
1185                         {
1186                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1187                         goto err;
1188                         }
1189                 }
1190
1191         /* setup version number */
1192         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1193
1194         if (no_prompt) 
1195                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1196         else 
1197                 {
1198                 if (subj)
1199                         i = build_subject(req, subj, chtype);
1200                 else
1201                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1202                 }
1203         if(!i) goto err;
1204
1205         X509_REQ_set_pubkey(req,pkey);
1206
1207         ret=1;
1208 err:
1209         return(ret);
1210         }
1211
1212 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1213         {
1214         X509_NAME *n = NULL;
1215
1216         int i, nid, ne_num=0;
1217
1218         char *ne_name = NULL;
1219         char *ne_value = NULL;
1220
1221         char *tmp = NULL;
1222         char *p[2];
1223
1224         char *str_list[256];
1225        
1226         p[0] = ",/";
1227         p[1] = "=";
1228
1229         n = X509_NAME_new();
1230
1231         tmp = strtok(subject, p[0]);
1232         while((tmp != NULL) && (ne_num < (sizeof str_list/sizeof *str_list)))
1233                 {
1234                 char *token = tmp;
1235
1236                 while (token[0] == ' ')
1237                         token++;
1238                 str_list[ne_num] = token;
1239
1240                 tmp = strtok(NULL, p[0]);
1241                 ne_num++;
1242                 }
1243
1244         for(i = 0; i < ne_num; i++)
1245                 {
1246                 ne_name  = strtok(str_list[i], p[1]);
1247                 ne_value = strtok(NULL, p[1]);
1248
1249                 if ((nid=OBJ_txt2nid(ne_name)) == NID_undef)
1250                         {
1251                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_name);
1252                         continue;
1253                         }
1254
1255                 if (ne_value == NULL)
1256                         {
1257                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_name);
1258                         continue;
1259                         }
1260
1261                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_value, -1,-1,0))
1262                         {
1263                         X509_NAME_free(n);
1264                         return 0;
1265                         }
1266                 }
1267
1268         if (!X509_REQ_set_subject_name(req, n))
1269                 return 0;
1270         X509_NAME_free(n);
1271         return 1;
1272 }
1273
1274
1275 static int prompt_info(X509_REQ *req,
1276                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1277                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1278                 unsigned long chtype)
1279         {
1280         int i;
1281         char *p,*q;
1282         char buf[100];
1283         int nid;
1284         long n_min,n_max;
1285         char *type,*def,*value;
1286         CONF_VALUE *v;
1287         X509_NAME *subj;
1288         subj = X509_REQ_get_subject_name(req);
1289
1290         if(!batch)
1291                 {
1292                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1293                 BIO_printf(bio_err,"into your certificate request.\n");
1294                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1295                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1296                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1297                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1298                 BIO_printf(bio_err,"-----\n");
1299                 }
1300
1301
1302         if (sk_CONF_VALUE_num(dn_sk))
1303                 {
1304                 i= -1;
1305 start:          for (;;)
1306                         {
1307                         i++;
1308                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1309
1310                         v=sk_CONF_VALUE_value(dn_sk,i);
1311                         p=q=NULL;
1312                         type=v->name;
1313                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1314                                 !check_end(type,"_default") ||
1315                                          !check_end(type,"_value")) continue;
1316                         /* Skip past any leading X. X: X, etc to allow for
1317                          * multiple instances 
1318                          */
1319                         for(p = v->name; *p ; p++) 
1320                                 if ((*p == ':') || (*p == ',') ||
1321                                                          (*p == '.')) {
1322                                         p++;
1323                                         if(*p) type = p;
1324                                         break;
1325                                 }
1326                         /* If OBJ not recognised ignore it */
1327                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1328                         sprintf(buf,"%s_default",v->name);
1329                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1330                                 {
1331                                 ERR_clear_error();
1332                                 def="";
1333                                 }
1334                                 
1335                         sprintf(buf,"%s_value",v->name);
1336                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1337                                 {
1338                                 ERR_clear_error();
1339                                 value=NULL;
1340                                 }
1341
1342                         sprintf(buf,"%s_min",v->name);
1343                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1344                                 n_min = -1;
1345
1346                         sprintf(buf,"%s_max",v->name);
1347                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1348                                 n_max = -1;
1349
1350                         if (!add_DN_object(subj,v->value,def,value,nid,
1351                                 n_min,n_max, chtype))
1352                                 return 0;
1353                         }
1354                 if (X509_NAME_entry_count(subj) == 0)
1355                         {
1356                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1357                         return 0;
1358                         }
1359
1360                 if (attribs)
1361                         {
1362                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1363                                 {
1364                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1365                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1366                                 }
1367
1368                         i= -1;
1369 start2:                 for (;;)
1370                                 {
1371                                 i++;
1372                                 if ((attr_sk == NULL) ||
1373                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1374                                         break;
1375
1376                                 v=sk_CONF_VALUE_value(attr_sk,i);
1377                                 type=v->name;
1378                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1379                                         goto start2;
1380
1381                                 sprintf(buf,"%s_default",type);
1382                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1383                                         == NULL)
1384                                         {
1385                                         ERR_clear_error();
1386                                         def="";
1387                                         }
1388                                 
1389                                 
1390                                 sprintf(buf,"%s_value",type);
1391                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1392                                         == NULL)
1393                                         {
1394                                         ERR_clear_error();
1395                                         value=NULL;
1396                                         }
1397
1398                                 sprintf(buf,"%s_min",type);
1399                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1400                                         n_min = -1;
1401
1402                                 sprintf(buf,"%s_max",type);
1403                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1404                                         n_max = -1;
1405
1406                                 if (!add_attribute_object(req,
1407                                         v->value,def,value,nid,n_min,n_max, chtype))
1408                                         return 0;
1409                                 }
1410                         }
1411                 }
1412         else
1413                 {
1414                 BIO_printf(bio_err,"No template, please set one up.\n");
1415                 return 0;
1416                 }
1417
1418         return 1;
1419
1420         }
1421
1422 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1423                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1424         {
1425         int i;
1426         char *p,*q;
1427         char *type;
1428         CONF_VALUE *v;
1429         X509_NAME *subj;
1430
1431         subj = X509_REQ_get_subject_name(req);
1432
1433         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1434                 {
1435                 v=sk_CONF_VALUE_value(dn_sk,i);
1436                 p=q=NULL;
1437                 type=v->name;
1438                 /* Skip past any leading X. X: X, etc to allow for
1439                  * multiple instances 
1440                  */
1441                 for(p = v->name; *p ; p++) 
1442 #ifndef CHARSET_EBCDIC
1443                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1444 #else
1445                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1446 #endif
1447                                 p++;
1448                                 if(*p) type = p;
1449                                 break;
1450                         }
1451                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1452                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1453
1454                 }
1455
1456                 if (!X509_NAME_entry_count(subj))
1457                         {
1458                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1459                         return 0;
1460                         }
1461                 if (attribs)
1462                         {
1463                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1464                                 {
1465                                 v=sk_CONF_VALUE_value(attr_sk,i);
1466                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1467                                         (unsigned char *)v->value, -1)) return 0;
1468                                 }
1469                         }
1470         return 1;
1471         }
1472
1473
1474 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1475              int nid, int n_min, int n_max, unsigned long chtype)
1476         {
1477         int i,ret=0;
1478         MS_STATIC char buf[1024];
1479 start:
1480         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1481         (void)BIO_flush(bio_err);
1482         if(value != NULL)
1483                 {
1484                 strcpy(buf,value);
1485                 strcat(buf,"\n");
1486                 BIO_printf(bio_err,"%s\n",value);
1487                 }
1488         else
1489                 {
1490                 buf[0]='\0';
1491                 if (!batch)
1492                         {
1493                         fgets(buf,1024,stdin);
1494                         }
1495                 else
1496                         {
1497                         buf[0] = '\n';
1498                         buf[1] = '\0';
1499                         }
1500                 }
1501
1502         if (buf[0] == '\0') return(0);
1503         else if (buf[0] == '\n')
1504                 {
1505                 if ((def == NULL) || (def[0] == '\0'))
1506                         return(1);
1507                 strcpy(buf,def);
1508                 strcat(buf,"\n");
1509                 }
1510         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1511
1512         i=strlen(buf);
1513         if (buf[i-1] != '\n')
1514                 {
1515                 BIO_printf(bio_err,"weird input :-(\n");
1516                 return(0);
1517                 }
1518         buf[--i]='\0';
1519 #ifdef CHARSET_EBCDIC
1520         ebcdic2ascii(buf, buf, i);
1521 #endif
1522         if(!req_check_len(i, n_min, n_max)) goto start;
1523         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1524                                 (unsigned char *) buf, -1,-1,0)) goto err;
1525         ret=1;
1526 err:
1527         return(ret);
1528         }
1529
1530 static int add_attribute_object(X509_REQ *req, char *text,
1531                                 char *def, char *value, int nid, int n_min,
1532                                 int n_max, unsigned long chtype)
1533         {
1534         int i;
1535         static char buf[1024];
1536
1537 start:
1538         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1539         (void)BIO_flush(bio_err);
1540         if (value != NULL)
1541                 {
1542                 strcpy(buf,value);
1543                 strcat(buf,"\n");
1544                 BIO_printf(bio_err,"%s\n",value);
1545                 }
1546         else
1547                 {
1548                 buf[0]='\0';
1549                 if (!batch)
1550                         {
1551                         fgets(buf,1024,stdin);
1552                         }
1553                 else
1554                         {
1555                         buf[0] = '\n';
1556                         buf[1] = '\0';
1557                         }
1558                 }
1559
1560         if (buf[0] == '\0') return(0);
1561         else if (buf[0] == '\n')
1562                 {
1563                 if ((def == NULL) || (def[0] == '\0'))
1564                         return(1);
1565                 strcpy(buf,def);
1566                 strcat(buf,"\n");
1567                 }
1568         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1569
1570         i=strlen(buf);
1571         if (buf[i-1] != '\n')
1572                 {
1573                 BIO_printf(bio_err,"weird input :-(\n");
1574                 return(0);
1575                 }
1576         buf[--i]='\0';
1577 #ifdef CHARSET_EBCDIC
1578         ebcdic2ascii(buf, buf, i);
1579 #endif
1580         if(!req_check_len(i, n_min, n_max)) goto start;
1581
1582         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1583                                         (unsigned char *)buf, -1)) {
1584                 BIO_printf(bio_err, "Error adding attribute\n");
1585                 ERR_print_errors(bio_err);
1586                 goto err;
1587         }
1588
1589         return(1);
1590 err:
1591         return(0);
1592         }
1593
1594 #ifndef OPENSSL_NO_RSA
1595 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1596         {
1597         char c='*';
1598
1599         if (p == 0) c='.';
1600         if (p == 1) c='+';
1601         if (p == 2) c='*';
1602         if (p == 3) c='\n';
1603         BIO_write((BIO *)arg,&c,1);
1604         (void)BIO_flush((BIO *)arg);
1605 #ifdef LINT
1606         p=n;
1607 #endif
1608         }
1609 #endif
1610
1611 static int req_check_len(int len, int n_min, int n_max)
1612         {
1613         if ((n_min > 0) && (len < n_min))
1614                 {
1615                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1616                 return(0);
1617                 }
1618         if ((n_max >= 0) && (len > n_max))
1619                 {
1620                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1621                 return(0);
1622                 }
1623         return(1);
1624         }
1625
1626 /* Check if the end of a string matches 'end' */
1627 static int check_end(char *str, char *end)
1628 {
1629         int elen, slen; 
1630         char *tmp;
1631         elen = strlen(end);
1632         slen = strlen(str);
1633         if(elen > slen) return 1;
1634         tmp = str + slen - elen;
1635         return strcmp(tmp, end);
1636 }