729cb2d5bd74f47bd9a1e8f69b4d6db93887b920
[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_EC         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         EC_KEY *ec_params = NULL;
157 #endif
158         unsigned long nmflag = 0, reqflag = 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                                         if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
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("ec:",p,3) == 0)
332                                 {
333                                 X509 *xtmp=NULL;
334                                 EVP_PKEY *dtmp;
335
336                                 pkey_type=TYPE_EC;
337                                 p+=3;
338                                 if ((in=BIO_new_file(p,"r")) == NULL)
339                                         {
340                                         perror(p);
341                                         goto end;
342                                         }
343                                 if ((ec_params = EC_KEY_new()) == NULL)
344                                         goto end;
345                                 if ((ec_params->group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL)) == NULL)
346                                         {
347                                         if (ec_params)
348                                                 EC_KEY_free(ec_params);
349                                         ERR_clear_error();
350                                         (void)BIO_reset(in);
351                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
352                                                 {       
353                                                 BIO_printf(bio_err,"unable to load EC parameters from file\n");
354                                                 goto end;
355                                                 }
356
357                                         if ((dtmp=X509_get_pubkey(xtmp))==NULL)
358                                                 goto end;
359                                         if (dtmp->type == EVP_PKEY_EC)
360                                                 ec_params = ECParameters_dup(dtmp->pkey.eckey);
361                                         EVP_PKEY_free(dtmp);
362                                         X509_free(xtmp);
363                                         if (ec_params == NULL)
364                                                 {
365                                                 BIO_printf(bio_err,"Certificate does not contain EC parameters\n");
366                                                 goto end;
367                                                 }
368                                         }
369
370                                 BIO_free(in);
371                                 in=NULL;
372                                 
373                                 newkey = EC_GROUP_get_degree(ec_params->group);
374
375                                 }
376                         else
377 #endif
378 #ifndef OPENSSL_NO_DH
379                                 if (strncmp("dh:",p,4) == 0)
380                                 {
381                                 pkey_type=TYPE_DH;
382                                 p+=3;
383                                 }
384                         else
385 #endif
386                                 {
387                                 goto bad;
388                                 }
389
390                         newreq=1;
391                         }
392                 else if (strcmp(*argv,"-batch") == 0)
393                         batch=1;
394                 else if (strcmp(*argv,"-newhdr") == 0)
395                         newhdr=1;
396                 else if (strcmp(*argv,"-modulus") == 0)
397                         modulus=1;
398                 else if (strcmp(*argv,"-verify") == 0)
399                         verify=1;
400                 else if (strcmp(*argv,"-nodes") == 0)
401                         nodes=1;
402                 else if (strcmp(*argv,"-noout") == 0)
403                         noout=1;
404                 else if (strcmp(*argv,"-verbose") == 0)
405                         verbose=1;
406                 else if (strcmp(*argv,"-utf8") == 0)
407                         chtype = MBSTRING_UTF8;
408                 else if (strcmp(*argv,"-nameopt") == 0)
409                         {
410                         if (--argc < 1) goto bad;
411                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
412                         }
413                 else if (strcmp(*argv,"-reqopt") == 0)
414                         {
415                         if (--argc < 1) goto bad;
416                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
417                         }
418                 else if (strcmp(*argv,"-subject") == 0)
419                         subject=1;
420                 else if (strcmp(*argv,"-text") == 0)
421                         text=1;
422                 else if (strcmp(*argv,"-x509") == 0)
423                         x509=1;
424                 else if (strcmp(*argv,"-asn1-kludge") == 0)
425                         kludge=1;
426                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
427                         kludge=0;
428                 else if (strcmp(*argv,"-subj") == 0)
429                         {
430                         if (--argc < 1) goto bad;
431                         subj= *(++argv);
432                         }
433                 else if (strcmp(*argv,"-days") == 0)
434                         {
435                         if (--argc < 1) goto bad;
436                         days= atoi(*(++argv));
437                         if (days == 0) days=30;
438                         }
439                 else if (strcmp(*argv,"-set_serial") == 0)
440                         {
441                         if (--argc < 1) goto bad;
442                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
443                         if (!serial) goto bad;
444                         }
445                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
446                         {
447                         /* ok */
448                         digest=md_alg;
449                         }
450                 else if (strcmp(*argv,"-extensions") == 0)
451                         {
452                         if (--argc < 1) goto bad;
453                         extensions = *(++argv);
454                         }
455                 else if (strcmp(*argv,"-reqexts") == 0)
456                         {
457                         if (--argc < 1) goto bad;
458                         req_exts = *(++argv);
459                         }
460                 else
461                         {
462                         BIO_printf(bio_err,"unknown option %s\n",*argv);
463                         badops=1;
464                         break;
465                         }
466                 argc--;
467                 argv++;
468                 }
469
470         if (badops)
471                 {
472 bad:
473                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
474                 BIO_printf(bio_err,"where options  are\n");
475                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
476                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
477                 BIO_printf(bio_err," -in arg        input file\n");
478                 BIO_printf(bio_err," -out arg       output file\n");
479                 BIO_printf(bio_err," -text          text form of request\n");
480                 BIO_printf(bio_err," -pubkey        output public key\n");
481                 BIO_printf(bio_err," -noout         do not output REQ\n");
482                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
483                 BIO_printf(bio_err," -modulus       RSA modulus\n");
484                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
485                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
486                 BIO_printf(bio_err," -subject       output the request's subject\n");
487                 BIO_printf(bio_err," -passin        private key password source\n");
488                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
489                 BIO_printf(bio_err," -keyform arg   key file format\n");
490                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
491                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
492                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
493                 BIO_printf(bio_err,"                the random number generator\n");
494                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
495                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
496 #ifndef OPENSSL_NO_ECDSA
497                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
498 #endif
499                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
500                 BIO_printf(bio_err," -config file   request template file.\n");
501                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
502                 BIO_printf(bio_err," -new           new request.\n");
503                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
504                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
505                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
506                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
507                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
508                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
509                 BIO_printf(bio_err,"                have been reported as requiring\n");
510                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
511                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
512                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
513                 BIO_printf(bio_err," -nameopt arg   - various certificate name options\n");
514                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
515                 goto end;
516                 }
517
518         ERR_load_crypto_strings();
519         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
520                 BIO_printf(bio_err, "Error getting passwords\n");
521                 goto end;
522         }
523
524 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
525         /* Lets load up our environment a little */
526         p=getenv("OPENSSL_CONF");
527         if (p == NULL)
528                 p=getenv("SSLEAY_CONF");
529         if (p == NULL)
530                 {
531                 strcpy(config_name,X509_get_default_cert_area());
532 #ifndef OPENSSL_SYS_VMS
533                 strcat(config_name,"/");
534 #endif
535                 strcat(config_name,OPENSSL_CONF);
536                 p=config_name;
537                 }
538         default_config_file=p;
539         config=NCONF_new(NULL);
540         i=NCONF_load(config, p, &errline);
541 #endif
542
543         if (template != NULL)
544                 {
545                 long errline;
546
547                 if( verbose )
548                         BIO_printf(bio_err,"Using configuration from %s\n",template);
549                 req_conf=NCONF_new(NULL);
550                 i=NCONF_load(req_conf,template,&errline);
551                 if (i == 0)
552                         {
553                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
554                         goto end;
555                         }
556                 }
557         else
558                 {
559                 req_conf=config;
560                 if( verbose )
561                         BIO_printf(bio_err,"Using configuration from %s\n",
562                         default_config_file);
563                 if (req_conf == NULL)
564                         {
565                         BIO_printf(bio_err,"Unable to load config info\n");
566                         }
567                 }
568
569         if (req_conf != NULL)
570                 {
571                 if (!load_config(bio_err, req_conf))
572                         goto end;
573                 p=NCONF_get_string(req_conf,NULL,"oid_file");
574                 if (p == NULL)
575                         ERR_clear_error();
576                 if (p != NULL)
577                         {
578                         BIO *oid_bio;
579
580                         oid_bio=BIO_new_file(p,"r");
581                         if (oid_bio == NULL) 
582                                 {
583                                 /*
584                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
585                                 ERR_print_errors(bio_err);
586                                 */
587                                 }
588                         else
589                                 {
590                                 OBJ_create_objects(oid_bio);
591                                 BIO_free(oid_bio);
592                                 }
593                         }
594                 }
595         if(!add_oid_section(bio_err, req_conf)) goto end;
596
597         if (md_alg == NULL)
598                 {
599                 p=NCONF_get_string(req_conf,SECTION,"default_md");
600                 if (p == NULL)
601                         ERR_clear_error();
602                 if (p != NULL)
603                         {
604                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
605                                 digest=md_alg;
606                         }
607                 }
608
609         if (!extensions)
610                 {
611                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
612                 if (!extensions)
613                         ERR_clear_error();
614                 }
615         if (extensions) {
616                 /* Check syntax of file */
617                 X509V3_CTX ctx;
618                 X509V3_set_ctx_test(&ctx);
619                 X509V3_set_nconf(&ctx, req_conf);
620                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
621                         BIO_printf(bio_err,
622                          "Error Loading extension section %s\n", extensions);
623                         goto end;
624                 }
625         }
626
627         if(!passin)
628                 {
629                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
630                 if (!passin)
631                         ERR_clear_error();
632                 }
633         
634         if(!passout)
635                 {
636                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
637                 if (!passout)
638                         ERR_clear_error();
639                 }
640
641         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
642         if (!p)
643                 ERR_clear_error();
644
645         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
646                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
647                 goto end;
648         }
649
650         if (chtype != MBSTRING_UTF8)
651                 {
652                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
653                 if (!p)
654                         ERR_clear_error();
655                 else if (!strcmp(p, "yes"))
656                         chtype = MBSTRING_UTF8;
657                 }
658
659
660         if(!req_exts)
661                 {
662                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
663                 if (!req_exts)
664                         ERR_clear_error();
665                 }
666         if(req_exts) {
667                 /* Check syntax of file */
668                 X509V3_CTX ctx;
669                 X509V3_set_ctx_test(&ctx);
670                 X509V3_set_nconf(&ctx, req_conf);
671                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
672                         BIO_printf(bio_err,
673                          "Error Loading request extension section %s\n",
674                                                                 req_exts);
675                         goto end;
676                 }
677         }
678
679         in=BIO_new(BIO_s_file());
680         out=BIO_new(BIO_s_file());
681         if ((in == NULL) || (out == NULL))
682                 goto end;
683
684         e = setup_engine(bio_err, engine, 0);
685
686         if (keyfile != NULL)
687                 {
688                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
689                         "Private Key");
690                 if (!pkey)
691                         {
692                         /* load_key() has already printed an appropriate
693                            message */
694                         goto end;
695                         }
696                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA || 
697                         EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
698                         {
699                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
700                         if (randfile == NULL)
701                                 ERR_clear_error();
702                         app_RAND_load_file(randfile, bio_err, 0);
703                         }
704                 }
705
706         if (newreq && (pkey == NULL))
707                 {
708                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
709                 if (randfile == NULL)
710                         ERR_clear_error();
711                 app_RAND_load_file(randfile, bio_err, 0);
712                 if (inrand)
713                         app_RAND_load_files(inrand);
714         
715                 if (newkey <= 0)
716                         {
717                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
718                                 newkey=DEFAULT_KEY_LENGTH;
719                         }
720
721                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
722                         {
723                         BIO_printf(bio_err,"private key length is too short,\n");
724                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
725                         goto end;
726                         }
727                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
728                         newkey,(pkey_type == TYPE_RSA)?"RSA":
729                         (pkey_type == TYPE_DSA)?"DSA":"EC");
730
731                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
732
733 #ifndef OPENSSL_NO_RSA
734                 if (pkey_type == TYPE_RSA)
735                         {
736                         if (!EVP_PKEY_assign_RSA(pkey,
737                                 RSA_generate_key(newkey,0x10001,
738                                         req_cb,bio_err)))
739                                 goto end;
740                         }
741                 else
742 #endif
743 #ifndef OPENSSL_NO_DSA
744                         if (pkey_type == TYPE_DSA)
745                         {
746                         if (!DSA_generate_key(dsa_params)) goto end;
747                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
748                         dsa_params=NULL;
749                         }
750 #endif
751 #ifndef OPENSSL_NO_ECDSA
752                         if (pkey_type == TYPE_EC)
753                         {
754                         if (!EC_KEY_generate_key(ec_params)) goto end;
755                         if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params)) 
756                                 goto end;
757                         ec_params = NULL;
758                         }
759 #endif
760
761                 app_RAND_write_file(randfile, bio_err);
762
763                 if (pkey == NULL) goto end;
764
765                 if (keyout == NULL)
766                         {
767                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
768                         if (keyout == NULL)
769                                 ERR_clear_error();
770                         }
771                 
772                 if (keyout == NULL)
773                         {
774                         BIO_printf(bio_err,"writing new private key to stdout\n");
775                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
776 #ifdef OPENSSL_SYS_VMS
777                         {
778                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
779                         out = BIO_push(tmpbio, out);
780                         }
781 #endif
782                         }
783                 else
784                         {
785                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
786                         if (BIO_write_filename(out,keyout) <= 0)
787                                 {
788                                 perror(keyout);
789                                 goto end;
790                                 }
791                         }
792
793                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
794                 if (p == NULL)
795                         {
796                         ERR_clear_error();
797                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
798                         if (p == NULL)
799                                 ERR_clear_error();
800                         }
801                 if ((p != NULL) && (strcmp(p,"no") == 0))
802                         cipher=NULL;
803                 if (nodes) cipher=NULL;
804                 
805                 i=0;
806 loop:
807                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
808                         NULL,0,NULL,passout))
809                         {
810                         if ((ERR_GET_REASON(ERR_peek_error()) ==
811                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
812                                 {
813                                 ERR_clear_error();
814                                 i++;
815                                 goto loop;
816                                 }
817                         goto end;
818                         }
819                 BIO_printf(bio_err,"-----\n");
820                 }
821
822         if (!newreq)
823                 {
824                 /* Since we are using a pre-existing certificate
825                  * request, the kludge 'format' info should not be
826                  * changed. */
827                 kludge= -1;
828                 if (infile == NULL)
829                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
830                 else
831                         {
832                         if (BIO_read_filename(in,infile) <= 0)
833                                 {
834                                 perror(infile);
835                                 goto end;
836                                 }
837                         }
838
839                 if      (informat == FORMAT_ASN1)
840                         req=d2i_X509_REQ_bio(in,NULL);
841                 else if (informat == FORMAT_PEM)
842                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
843                 else
844                         {
845                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
846                         goto end;
847                         }
848                 if (req == NULL)
849                         {
850                         BIO_printf(bio_err,"unable to load X509 request\n");
851                         goto end;
852                         }
853                 }
854
855         if (newreq || x509)
856                 {
857                 if (pkey == NULL)
858                         {
859                         BIO_printf(bio_err,"you need to specify a private key\n");
860                         goto end;
861                         }
862 #ifndef OPENSSL_NO_DSA
863                 if (pkey->type == EVP_PKEY_DSA)
864                         digest=EVP_dss1();
865 #endif
866 #ifndef OPENSSL_NO_ECDSA
867                 if (pkey->type == EVP_PKEY_EC)
868                         digest=EVP_ecdsa();
869 #endif
870                 if (req == NULL)
871                         {
872                         req=X509_REQ_new();
873                         if (req == NULL)
874                                 {
875                                 goto end;
876                                 }
877
878                         i=make_REQ(req,pkey,subj,!x509, chtype);
879                         subj=NULL; /* done processing '-subj' option */
880                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
881                                 {
882                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
883                                 req->req_info->attributes = NULL;
884                                 }
885                         if (!i)
886                                 {
887                                 BIO_printf(bio_err,"problems making Certificate Request\n");
888                                 goto end;
889                                 }
890                         }
891                 if (x509)
892                         {
893                         EVP_PKEY *tmppkey;
894                         X509V3_CTX ext_ctx;
895                         if ((x509ss=X509_new()) == NULL) goto end;
896
897                         /* Set version to V3 */
898                         if(!X509_set_version(x509ss, 2)) goto end;
899                         if (serial)
900                                 {
901                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
902                                 }
903                         else
904                                 {
905                                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L)) goto end;
906                                 }
907
908                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
909                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
910                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
911                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
912                         tmppkey = X509_REQ_get_pubkey(req);
913                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
914                         EVP_PKEY_free(tmppkey);
915
916                         /* Set up V3 context struct */
917
918                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
919                         X509V3_set_nconf(&ext_ctx, req_conf);
920
921                         /* Add extensions */
922                         if(extensions && !X509V3_EXT_add_nconf(req_conf, 
923                                         &ext_ctx, extensions, x509ss))
924                                 {
925                                 BIO_printf(bio_err,
926                                         "Error Loading extension section %s\n",
927                                         extensions);
928                                 goto end;
929                                 }
930                         
931                         if (!(i=X509_sign(x509ss,pkey,digest)))
932                                 goto end;
933                         }
934                 else
935                         {
936                         X509V3_CTX ext_ctx;
937
938                         /* Set up V3 context struct */
939
940                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
941                         X509V3_set_nconf(&ext_ctx, req_conf);
942
943                         /* Add extensions */
944                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 
945                                         &ext_ctx, req_exts, req))
946                                 {
947                                 BIO_printf(bio_err,
948                                         "Error Loading extension section %s\n",
949                                         req_exts);
950                                 goto end;
951                                 }
952                         if (!(i=X509_REQ_sign(req,pkey,digest)))
953                                 goto end;
954                         }
955                 }
956
957         if (subj && x509)
958                 {
959                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
960                 goto end;
961                 }
962
963         if (subj && !x509)
964                 {
965                 if (verbose)
966                         {
967                         BIO_printf(bio_err, "Modifying Request's Subject\n");
968                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
969                         }
970
971                 if (build_subject(req, subj, chtype) == 0)
972                         {
973                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
974                         ex=1;
975                         goto end;
976                         }
977
978                 req->req_info->enc.modified = 1;
979
980                 if (verbose)
981                         {
982                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
983                         }
984                 }
985
986         if (verify && !x509)
987                 {
988                 int tmp=0;
989
990                 if (pkey == NULL)
991                         {
992                         pkey=X509_REQ_get_pubkey(req);
993                         tmp=1;
994                         if (pkey == NULL) goto end;
995                         }
996
997                 i=X509_REQ_verify(req,pkey);
998                 if (tmp) {
999                         EVP_PKEY_free(pkey);
1000                         pkey=NULL;
1001                 }
1002
1003                 if (i < 0)
1004                         {
1005                         goto end;
1006                         }
1007                 else if (i == 0)
1008                         {
1009                         BIO_printf(bio_err,"verify failure\n");
1010                         ERR_print_errors(bio_err);
1011                         }
1012                 else /* if (i > 0) */
1013                         BIO_printf(bio_err,"verify OK\n");
1014                 }
1015
1016         if (noout && !text && !modulus && !subject && !pubkey)
1017                 {
1018                 ex=0;
1019                 goto end;
1020                 }
1021
1022         if (outfile == NULL)
1023                 {
1024                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1025 #ifdef OPENSSL_SYS_VMS
1026                 {
1027                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1028                 out = BIO_push(tmpbio, out);
1029                 }
1030 #endif
1031                 }
1032         else
1033                 {
1034                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1035                         i=(int)BIO_append_filename(out,outfile);
1036                 else
1037                         i=(int)BIO_write_filename(out,outfile);
1038                 if (!i)
1039                         {
1040                         perror(outfile);
1041                         goto end;
1042                         }
1043                 }
1044
1045         if (pubkey)
1046                 {
1047                 EVP_PKEY *tpubkey; 
1048                 tpubkey=X509_REQ_get_pubkey(req);
1049                 if (tpubkey == NULL)
1050                         {
1051                         BIO_printf(bio_err,"Error getting public key\n");
1052                         ERR_print_errors(bio_err);
1053                         goto end;
1054                         }
1055                 PEM_write_bio_PUBKEY(out, tpubkey);
1056                 EVP_PKEY_free(tpubkey);
1057                 }
1058
1059         if (text)
1060                 {
1061                 if (x509)
1062                         X509_print_ex(out, x509ss, nmflag, reqflag);
1063                 else    
1064                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1065                 }
1066
1067         if(subject) 
1068                 {
1069                 if(x509)
1070                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1071                 else
1072                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1073                 }
1074
1075         if (modulus)
1076                 {
1077                 EVP_PKEY *tpubkey;
1078
1079                 if (x509)
1080                         tpubkey=X509_get_pubkey(x509ss);
1081                 else
1082                         tpubkey=X509_REQ_get_pubkey(req);
1083                 if (tpubkey == NULL)
1084                         {
1085                         fprintf(stdout,"Modulus=unavailable\n");
1086                         goto end; 
1087                         }
1088                 fprintf(stdout,"Modulus=");
1089 #ifndef OPENSSL_NO_RSA
1090                 if (tpubkey->type == EVP_PKEY_RSA)
1091                         BN_print(out,tpubkey->pkey.rsa->n);
1092                 else
1093 #endif
1094                         fprintf(stdout,"Wrong Algorithm type");
1095                 EVP_PKEY_free(tpubkey);
1096                 fprintf(stdout,"\n");
1097                 }
1098
1099         if (!noout && !x509)
1100                 {
1101                 if      (outformat == FORMAT_ASN1)
1102                         i=i2d_X509_REQ_bio(out,req);
1103                 else if (outformat == FORMAT_PEM) {
1104                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1105                         else i=PEM_write_bio_X509_REQ(out,req);
1106                 } else {
1107                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1108                         goto end;
1109                         }
1110                 if (!i)
1111                         {
1112                         BIO_printf(bio_err,"unable to write X509 request\n");
1113                         goto end;
1114                         }
1115                 }
1116         if (!noout && x509 && (x509ss != NULL))
1117                 {
1118                 if      (outformat == FORMAT_ASN1)
1119                         i=i2d_X509_bio(out,x509ss);
1120                 else if (outformat == FORMAT_PEM)
1121                         i=PEM_write_bio_X509(out,x509ss);
1122                 else    {
1123                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1124                         goto end;
1125                         }
1126                 if (!i)
1127                         {
1128                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1129                         goto end;
1130                         }
1131                 }
1132         ex=0;
1133 end:
1134         if (ex)
1135                 {
1136                 ERR_print_errors(bio_err);
1137                 }
1138         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1139         BIO_free(in);
1140         BIO_free_all(out);
1141         EVP_PKEY_free(pkey);
1142         X509_REQ_free(req);
1143         X509_free(x509ss);
1144         ASN1_INTEGER_free(serial);
1145         if(passargin && passin) OPENSSL_free(passin);
1146         if(passargout && passout) OPENSSL_free(passout);
1147         OBJ_cleanup();
1148 #ifndef OPENSSL_NO_DSA
1149         if (dsa_params != NULL) DSA_free(dsa_params);
1150 #endif
1151 #ifndef OPENSSL_NO_ECDSA
1152         if (ec_params != NULL) EC_KEY_free(ec_params);
1153 #endif
1154         apps_shutdown();
1155         EXIT(ex);
1156         }
1157
1158 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1159                         unsigned long chtype)
1160         {
1161         int ret=0,i;
1162         char no_prompt = 0;
1163         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1164         char *tmp, *dn_sect,*attr_sect;
1165
1166         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1167         if (tmp == NULL)
1168                 ERR_clear_error();
1169         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1170
1171         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1172         if (dn_sect == NULL)
1173                 {
1174                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1175                         DISTINGUISHED_NAME);
1176                 goto err;
1177                 }
1178         dn_sk=NCONF_get_section(req_conf,dn_sect);
1179         if (dn_sk == NULL)
1180                 {
1181                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1182                 goto err;
1183                 }
1184
1185         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1186         if (attr_sect == NULL)
1187                 {
1188                 ERR_clear_error();              
1189                 attr_sk=NULL;
1190                 }
1191         else
1192                 {
1193                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1194                 if (attr_sk == NULL)
1195                         {
1196                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1197                         goto err;
1198                         }
1199                 }
1200
1201         /* setup version number */
1202         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1203
1204         if (no_prompt) 
1205                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1206         else 
1207                 {
1208                 if (subj)
1209                         i = build_subject(req, subj, chtype);
1210                 else
1211                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1212                 }
1213         if(!i) goto err;
1214
1215         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1216
1217         ret=1;
1218 err:
1219         return(ret);
1220         }
1221
1222 /*
1223  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1224  * where characters may be escaped by \
1225  */
1226 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1227         {
1228         X509_NAME *n;
1229
1230         if (!(n = do_subject(subject, chtype)))
1231                 return 0;
1232
1233         if (!X509_REQ_set_subject_name(req, n))
1234                 {
1235                 X509_NAME_free(n);
1236                 return 0;
1237                 }
1238         X509_NAME_free(n);
1239         return 1;
1240 }
1241
1242
1243 static int prompt_info(X509_REQ *req,
1244                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1245                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1246                 unsigned long chtype)
1247         {
1248         int i;
1249         char *p,*q;
1250         char buf[100];
1251         int nid;
1252         long n_min,n_max;
1253         char *type,*def,*value;
1254         CONF_VALUE *v;
1255         X509_NAME *subj;
1256         subj = X509_REQ_get_subject_name(req);
1257
1258         if(!batch)
1259                 {
1260                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1261                 BIO_printf(bio_err,"into your certificate request.\n");
1262                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1263                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1264                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1265                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1266                 BIO_printf(bio_err,"-----\n");
1267                 }
1268
1269
1270         if (sk_CONF_VALUE_num(dn_sk))
1271                 {
1272                 i= -1;
1273 start:          for (;;)
1274                         {
1275                         i++;
1276                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1277
1278                         v=sk_CONF_VALUE_value(dn_sk,i);
1279                         p=q=NULL;
1280                         type=v->name;
1281                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1282                                 !check_end(type,"_default") ||
1283                                          !check_end(type,"_value")) continue;
1284                         /* Skip past any leading X. X: X, etc to allow for
1285                          * multiple instances 
1286                          */
1287                         for(p = v->name; *p ; p++) 
1288                                 if ((*p == ':') || (*p == ',') ||
1289                                                          (*p == '.')) {
1290                                         p++;
1291                                         if(*p) type = p;
1292                                         break;
1293                                 }
1294                         /* If OBJ not recognised ignore it */
1295                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1296                         sprintf(buf,"%s_default",v->name);
1297                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1298                                 {
1299                                 ERR_clear_error();
1300                                 def="";
1301                                 }
1302                                 
1303                         sprintf(buf,"%s_value",v->name);
1304                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1305                                 {
1306                                 ERR_clear_error();
1307                                 value=NULL;
1308                                 }
1309
1310                         sprintf(buf,"%s_min",v->name);
1311                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1312                                 n_min = -1;
1313
1314                         sprintf(buf,"%s_max",v->name);
1315                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1316                                 n_max = -1;
1317
1318                         if (!add_DN_object(subj,v->value,def,value,nid,
1319                                 n_min,n_max, chtype))
1320                                 return 0;
1321                         }
1322                 if (X509_NAME_entry_count(subj) == 0)
1323                         {
1324                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1325                         return 0;
1326                         }
1327
1328                 if (attribs)
1329                         {
1330                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1331                                 {
1332                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1333                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1334                                 }
1335
1336                         i= -1;
1337 start2:                 for (;;)
1338                                 {
1339                                 i++;
1340                                 if ((attr_sk == NULL) ||
1341                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1342                                         break;
1343
1344                                 v=sk_CONF_VALUE_value(attr_sk,i);
1345                                 type=v->name;
1346                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1347                                         goto start2;
1348
1349                                 sprintf(buf,"%s_default",type);
1350                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1351                                         == NULL)
1352                                         {
1353                                         ERR_clear_error();
1354                                         def="";
1355                                         }
1356                                 
1357                                 
1358                                 sprintf(buf,"%s_value",type);
1359                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1360                                         == NULL)
1361                                         {
1362                                         ERR_clear_error();
1363                                         value=NULL;
1364                                         }
1365
1366                                 sprintf(buf,"%s_min",type);
1367                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1368                                         n_min = -1;
1369
1370                                 sprintf(buf,"%s_max",type);
1371                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1372                                         n_max = -1;
1373
1374                                 if (!add_attribute_object(req,
1375                                         v->value,def,value,nid,n_min,n_max, chtype))
1376                                         return 0;
1377                                 }
1378                         }
1379                 }
1380         else
1381                 {
1382                 BIO_printf(bio_err,"No template, please set one up.\n");
1383                 return 0;
1384                 }
1385
1386         return 1;
1387
1388         }
1389
1390 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1391                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1392         {
1393         int i;
1394         char *p,*q;
1395         char *type;
1396         CONF_VALUE *v;
1397         X509_NAME *subj;
1398
1399         subj = X509_REQ_get_subject_name(req);
1400
1401         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1402                 {
1403                 v=sk_CONF_VALUE_value(dn_sk,i);
1404                 p=q=NULL;
1405                 type=v->name;
1406                 /* Skip past any leading X. X: X, etc to allow for
1407                  * multiple instances 
1408                  */
1409                 for(p = v->name; *p ; p++) 
1410 #ifndef CHARSET_EBCDIC
1411                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1412 #else
1413                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1414 #endif
1415                                 p++;
1416                                 if(*p) type = p;
1417                                 break;
1418                         }
1419                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1420                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1421
1422                 }
1423
1424                 if (!X509_NAME_entry_count(subj))
1425                         {
1426                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1427                         return 0;
1428                         }
1429                 if (attribs)
1430                         {
1431                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1432                                 {
1433                                 v=sk_CONF_VALUE_value(attr_sk,i);
1434                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1435                                         (unsigned char *)v->value, -1)) return 0;
1436                                 }
1437                         }
1438         return 1;
1439         }
1440
1441
1442 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1443              int nid, int n_min, int n_max, unsigned long chtype)
1444         {
1445         int i,ret=0;
1446         MS_STATIC char buf[1024];
1447 start:
1448         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1449         (void)BIO_flush(bio_err);
1450         if(value != NULL)
1451                 {
1452                 strcpy(buf,value);
1453                 strcat(buf,"\n");
1454                 BIO_printf(bio_err,"%s\n",value);
1455                 }
1456         else
1457                 {
1458                 buf[0]='\0';
1459                 if (!batch)
1460                         {
1461                         fgets(buf,1024,stdin);
1462                         }
1463                 else
1464                         {
1465                         buf[0] = '\n';
1466                         buf[1] = '\0';
1467                         }
1468                 }
1469
1470         if (buf[0] == '\0') return(0);
1471         else if (buf[0] == '\n')
1472                 {
1473                 if ((def == NULL) || (def[0] == '\0'))
1474                         return(1);
1475                 strcpy(buf,def);
1476                 strcat(buf,"\n");
1477                 }
1478         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1479
1480         i=strlen(buf);
1481         if (buf[i-1] != '\n')
1482                 {
1483                 BIO_printf(bio_err,"weird input :-(\n");
1484                 return(0);
1485                 }
1486         buf[--i]='\0';
1487 #ifdef CHARSET_EBCDIC
1488         ebcdic2ascii(buf, buf, i);
1489 #endif
1490         if(!req_check_len(i, n_min, n_max)) goto start;
1491         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1492                                 (unsigned char *) buf, -1,-1,0)) goto err;
1493         ret=1;
1494 err:
1495         return(ret);
1496         }
1497
1498 static int add_attribute_object(X509_REQ *req, char *text,
1499                                 char *def, char *value, int nid, int n_min,
1500                                 int n_max, unsigned long chtype)
1501         {
1502         int i;
1503         static char buf[1024];
1504
1505 start:
1506         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1507         (void)BIO_flush(bio_err);
1508         if (value != NULL)
1509                 {
1510                 strcpy(buf,value);
1511                 strcat(buf,"\n");
1512                 BIO_printf(bio_err,"%s\n",value);
1513                 }
1514         else
1515                 {
1516                 buf[0]='\0';
1517                 if (!batch)
1518                         {
1519                         fgets(buf,1024,stdin);
1520                         }
1521                 else
1522                         {
1523                         buf[0] = '\n';
1524                         buf[1] = '\0';
1525                         }
1526                 }
1527
1528         if (buf[0] == '\0') return(0);
1529         else if (buf[0] == '\n')
1530                 {
1531                 if ((def == NULL) || (def[0] == '\0'))
1532                         return(1);
1533                 strcpy(buf,def);
1534                 strcat(buf,"\n");
1535                 }
1536         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1537
1538         i=strlen(buf);
1539         if (buf[i-1] != '\n')
1540                 {
1541                 BIO_printf(bio_err,"weird input :-(\n");
1542                 return(0);
1543                 }
1544         buf[--i]='\0';
1545 #ifdef CHARSET_EBCDIC
1546         ebcdic2ascii(buf, buf, i);
1547 #endif
1548         if(!req_check_len(i, n_min, n_max)) goto start;
1549
1550         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1551                                         (unsigned char *)buf, -1)) {
1552                 BIO_printf(bio_err, "Error adding attribute\n");
1553                 ERR_print_errors(bio_err);
1554                 goto err;
1555         }
1556
1557         return(1);
1558 err:
1559         return(0);
1560         }
1561
1562 #ifndef OPENSSL_NO_RSA
1563 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1564         {
1565         char c='*';
1566
1567         if (p == 0) c='.';
1568         if (p == 1) c='+';
1569         if (p == 2) c='*';
1570         if (p == 3) c='\n';
1571         BIO_write((BIO *)arg,&c,1);
1572         (void)BIO_flush((BIO *)arg);
1573 #ifdef LINT
1574         p=n;
1575 #endif
1576         }
1577 #endif
1578
1579 static int req_check_len(int len, int n_min, int n_max)
1580         {
1581         if ((n_min > 0) && (len < n_min))
1582                 {
1583                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1584                 return(0);
1585                 }
1586         if ((n_max >= 0) && (len > n_max))
1587                 {
1588                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1589                 return(0);
1590                 }
1591         return(1);
1592         }
1593
1594 /* Check if the end of a string matches 'end' */
1595 static int check_end(char *str, char *end)
1596 {
1597         int elen, slen; 
1598         char *tmp;
1599         elen = strlen(end);
1600         slen = strlen(str);
1601         if(elen > slen) return 1;
1602         tmp = str + slen - elen;
1603         return strcmp(tmp, end);
1604 }