RFC 3161 compliant time stamp request creation, response generation
[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 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
60  * deprecated functions for openssl-internal code */
61 #ifdef OPENSSL_NO_DEPRECATED
62 #undef OPENSSL_NO_DEPRECATED
63 #endif
64
65 #include <stdio.h>
66 #include <stdlib.h>
67 #include <time.h>
68 #include <string.h>
69 #ifdef OPENSSL_NO_STDIO
70 #define APPS_WIN16
71 #endif
72 #include "apps.h"
73 #include <openssl/bio.h>
74 #include <openssl/evp.h>
75 #include <openssl/conf.h>
76 #include <openssl/err.h>
77 #include <openssl/asn1.h>
78 #include <openssl/x509.h>
79 #include <openssl/x509v3.h>
80 #include <openssl/objects.h>
81 #include <openssl/pem.h>
82 #include <openssl/bn.h>
83 #ifndef OPENSSL_NO_RSA
84 #include <openssl/rsa.h>
85 #endif
86 #ifndef OPENSSL_NO_DSA
87 #include <openssl/dsa.h>
88 #endif
89
90 #define SECTION         "req"
91
92 #define BITS            "default_bits"
93 #define KEYFILE         "default_keyfile"
94 #define PROMPT          "prompt"
95 #define DISTINGUISHED_NAME      "distinguished_name"
96 #define ATTRIBUTES      "attributes"
97 #define V3_EXTENSIONS   "x509_extensions"
98 #define REQ_EXTENSIONS  "req_extensions"
99 #define STRING_MASK     "string_mask"
100 #define UTF8_IN         "utf8"
101
102 #define DEFAULT_KEY_LENGTH      512
103 #define MIN_KEY_LENGTH          384
104
105 #undef PROG
106 #define PROG    req_main
107
108 /* -inform arg  - input format - default PEM (DER or PEM)
109  * -outform arg - output format - default PEM
110  * -in arg      - input file - default stdin
111  * -out arg     - output file - default stdout
112  * -verify      - check request signature
113  * -noout       - don't print stuff out.
114  * -text        - print out human readable text.
115  * -nodes       - no des encryption
116  * -config file - Load configuration file.
117  * -key file    - make a request using key in file (or use it for verification).
118  * -keyform arg - key file format.
119  * -rand file(s) - load the file(s) into the PRNG.
120  * -newkey      - make a key and a request.
121  * -modulus     - print RSA modulus.
122  * -pubkey      - output Public Key.
123  * -x509        - output a self signed X509 structure instead.
124  * -asn1-kludge - output new certificate request in a format that some CA's
125  *                require.  This format is wrong
126  */
127
128 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int mutlirdn,
129                 int attribs,unsigned long chtype);
130 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
131                 int multirdn);
132 static int prompt_info(X509_REQ *req,
133                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
134                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
135                 unsigned long chtype);
136 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
137                                 STACK_OF(CONF_VALUE) *attr, int attribs,
138                                 unsigned long chtype);
139 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
140                                 char *value, int nid, int n_min,
141                                 int n_max, unsigned long chtype);
142 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
143         int nid,int n_min,int n_max, unsigned long chtype, int mval);
144 #ifndef OPENSSL_NO_RSA
145 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb);
146 #endif
147 static int req_check_len(int len,int n_min,int n_max);
148 static int check_end(const char *str, const char *end);
149 #ifndef MONOLITH
150 static char *default_config_file=NULL;
151 #endif
152 static CONF *req_conf=NULL;
153 static int batch=0;
154
155 #define TYPE_RSA        1
156 #define TYPE_DSA        2
157 #define TYPE_DH         3
158 #define TYPE_EC         4
159
160 int MAIN(int, char **);
161
162 int MAIN(int argc, char **argv)
163         {
164         ENGINE *e = NULL;
165 #ifndef OPENSSL_NO_DSA
166         DSA *dsa_params=NULL;
167 #endif
168 #ifndef OPENSSL_NO_ECDSA
169         EC_KEY *ec_params = NULL;
170 #endif
171         unsigned long nmflag = 0, reqflag = 0;
172         int ex=1,x509=0,days=30;
173         X509 *x509ss=NULL;
174         X509_REQ *req=NULL;
175         EVP_PKEY *pkey=NULL;
176         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
177         long newkey = -1;
178         BIO *in=NULL,*out=NULL;
179         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
180         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
181         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
182 #ifndef OPENSSL_NO_ENGINE
183         char *engine=NULL;
184 #endif
185         char *extensions = NULL;
186         char *req_exts = NULL;
187         const EVP_CIPHER *cipher=NULL;
188         ASN1_INTEGER *serial = NULL;
189         int modulus=0;
190         char *inrand=NULL;
191         char *passargin = NULL, *passargout = NULL;
192         char *passin = NULL, *passout = NULL;
193         char *p;
194         char *subj = NULL;
195         int multirdn = 0;
196         const EVP_MD *md_alg=NULL,*digest=EVP_sha1();
197         unsigned long chtype = MBSTRING_ASC;
198 #ifndef MONOLITH
199         char *to_free;
200         long errline;
201 #endif
202
203         req_conf = NULL;
204 #ifndef OPENSSL_NO_DES
205         cipher=EVP_des_ede3_cbc();
206 #endif
207         apps_startup();
208
209         if (bio_err == NULL)
210                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
211                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
212
213         infile=NULL;
214         outfile=NULL;
215         informat=FORMAT_PEM;
216         outformat=FORMAT_PEM;
217
218         prog=argv[0];
219         argc--;
220         argv++;
221         while (argc >= 1)
222                 {
223                 if      (strcmp(*argv,"-inform") == 0)
224                         {
225                         if (--argc < 1) goto bad;
226                         informat=str2fmt(*(++argv));
227                         }
228                 else if (strcmp(*argv,"-outform") == 0)
229                         {
230                         if (--argc < 1) goto bad;
231                         outformat=str2fmt(*(++argv));
232                         }
233 #ifndef OPENSSL_NO_ENGINE
234                 else if (strcmp(*argv,"-engine") == 0)
235                         {
236                         if (--argc < 1) goto bad;
237                         engine= *(++argv);
238                         }
239 #endif
240                 else if (strcmp(*argv,"-key") == 0)
241                         {
242                         if (--argc < 1) goto bad;
243                         keyfile= *(++argv);
244                         }
245                 else if (strcmp(*argv,"-pubkey") == 0)
246                         {
247                         pubkey=1;
248                         }
249                 else if (strcmp(*argv,"-new") == 0)
250                         {
251                         newreq=1;
252                         }
253                 else if (strcmp(*argv,"-config") == 0)
254                         {       
255                         if (--argc < 1) goto bad;
256                         template= *(++argv);
257                         }
258                 else if (strcmp(*argv,"-keyform") == 0)
259                         {
260                         if (--argc < 1) goto bad;
261                         keyform=str2fmt(*(++argv));
262                         }
263                 else if (strcmp(*argv,"-in") == 0)
264                         {
265                         if (--argc < 1) goto bad;
266                         infile= *(++argv);
267                         }
268                 else if (strcmp(*argv,"-out") == 0)
269                         {
270                         if (--argc < 1) goto bad;
271                         outfile= *(++argv);
272                         }
273                 else if (strcmp(*argv,"-keyout") == 0)
274                         {
275                         if (--argc < 1) goto bad;
276                         keyout= *(++argv);
277                         }
278                 else if (strcmp(*argv,"-passin") == 0)
279                         {
280                         if (--argc < 1) goto bad;
281                         passargin= *(++argv);
282                         }
283                 else if (strcmp(*argv,"-passout") == 0)
284                         {
285                         if (--argc < 1) goto bad;
286                         passargout= *(++argv);
287                         }
288                 else if (strcmp(*argv,"-rand") == 0)
289                         {
290                         if (--argc < 1) goto bad;
291                         inrand= *(++argv);
292                         }
293                 else if (strcmp(*argv,"-newkey") == 0)
294                         {
295                         int is_numeric;
296
297                         if (--argc < 1) goto bad;
298                         p= *(++argv);
299                         is_numeric = p[0] >= '0' && p[0] <= '9';
300                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
301                                 {
302                                 pkey_type=TYPE_RSA;
303                                 if(!is_numeric)
304                                     p+=4;
305                                 newkey= atoi(p);
306                                 }
307                         else
308 #ifndef OPENSSL_NO_DSA
309                                 if (strncmp("dsa:",p,4) == 0)
310                                 {
311                                 X509 *xtmp=NULL;
312                                 EVP_PKEY *dtmp;
313
314                                 pkey_type=TYPE_DSA;
315                                 p+=4;
316                                 if ((in=BIO_new_file(p,"r")) == NULL)
317                                         {
318                                         perror(p);
319                                         goto end;
320                                         }
321                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
322                                         {
323                                         ERR_clear_error();
324                                         (void)BIO_reset(in);
325                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
326                                                 {
327                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
328                                                 goto end;
329                                                 }
330
331                                         if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
332                                         if (dtmp->type == EVP_PKEY_DSA)
333                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
334                                         EVP_PKEY_free(dtmp);
335                                         X509_free(xtmp);
336                                         if (dsa_params == NULL)
337                                                 {
338                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
339                                                 goto end;
340                                                 }
341                                         }
342                                 BIO_free(in);
343                                 in=NULL;
344                                 newkey=BN_num_bits(dsa_params->p);
345                                 }
346                         else 
347 #endif
348 #ifndef OPENSSL_NO_ECDSA
349                                 if (strncmp("ec:",p,3) == 0)
350                                 {
351                                 X509 *xtmp=NULL;
352                                 EVP_PKEY *dtmp;
353                                 EC_GROUP *group;
354
355                                 pkey_type=TYPE_EC;
356                                 p+=3;
357                                 if ((in=BIO_new_file(p,"r")) == NULL)
358                                         {
359                                         perror(p);
360                                         goto end;
361                                         }
362                                 if ((ec_params = EC_KEY_new()) == NULL)
363                                         goto end;
364                                 group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL);
365                                 if (group == NULL)
366                                         {
367                                         EC_KEY_free(ec_params);
368                                         ERR_clear_error();
369                                         (void)BIO_reset(in);
370                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
371                                                 {       
372                                                 BIO_printf(bio_err,"unable to load EC parameters from file\n");
373                                                 goto end;
374                                                 }
375
376                                         if ((dtmp=X509_get_pubkey(xtmp))==NULL)
377                                                 goto end;
378                                         if (dtmp->type == EVP_PKEY_EC)
379                                                 ec_params = EC_KEY_dup(dtmp->pkey.ec);
380                                         EVP_PKEY_free(dtmp);
381                                         X509_free(xtmp);
382                                         if (ec_params == NULL)
383                                                 {
384                                                 BIO_printf(bio_err,"Certificate does not contain EC parameters\n");
385                                                 goto end;
386                                                 }
387                                         }
388                                 else
389                                         {
390                                         if (EC_KEY_set_group(ec_params, group) == 0)
391                                                 goto end;
392                                         EC_GROUP_free(group);
393                                         }
394
395                                 BIO_free(in);
396                                 in=NULL;
397                                 newkey = EC_GROUP_get_degree(EC_KEY_get0_group(ec_params));
398                                 }
399                         else
400 #endif
401 #ifndef OPENSSL_NO_DH
402                                 if (strncmp("dh:",p,4) == 0)
403                                 {
404                                 pkey_type=TYPE_DH;
405                                 p+=3;
406                                 }
407                         else
408 #endif
409                                 {
410                                 goto bad;
411                                 }
412
413                         newreq=1;
414                         }
415                 else if (strcmp(*argv,"-batch") == 0)
416                         batch=1;
417                 else if (strcmp(*argv,"-newhdr") == 0)
418                         newhdr=1;
419                 else if (strcmp(*argv,"-modulus") == 0)
420                         modulus=1;
421                 else if (strcmp(*argv,"-verify") == 0)
422                         verify=1;
423                 else if (strcmp(*argv,"-nodes") == 0)
424                         nodes=1;
425                 else if (strcmp(*argv,"-noout") == 0)
426                         noout=1;
427                 else if (strcmp(*argv,"-verbose") == 0)
428                         verbose=1;
429                 else if (strcmp(*argv,"-utf8") == 0)
430                         chtype = MBSTRING_UTF8;
431                 else if (strcmp(*argv,"-nameopt") == 0)
432                         {
433                         if (--argc < 1) goto bad;
434                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
435                         }
436                 else if (strcmp(*argv,"-reqopt") == 0)
437                         {
438                         if (--argc < 1) goto bad;
439                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
440                         }
441                 else if (strcmp(*argv,"-subject") == 0)
442                         subject=1;
443                 else if (strcmp(*argv,"-text") == 0)
444                         text=1;
445                 else if (strcmp(*argv,"-x509") == 0)
446                         x509=1;
447                 else if (strcmp(*argv,"-asn1-kludge") == 0)
448                         kludge=1;
449                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
450                         kludge=0;
451                 else if (strcmp(*argv,"-subj") == 0)
452                         {
453                         if (--argc < 1) goto bad;
454                         subj= *(++argv);
455                         }
456                 else if (strcmp(*argv,"-multivalue-rdn") == 0)
457                         multirdn=1;
458                 else if (strcmp(*argv,"-days") == 0)
459                         {
460                         if (--argc < 1) goto bad;
461                         days= atoi(*(++argv));
462                         if (days == 0) days=30;
463                         }
464                 else if (strcmp(*argv,"-set_serial") == 0)
465                         {
466                         if (--argc < 1) goto bad;
467                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
468                         if (!serial) goto bad;
469                         }
470                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
471                         {
472                         /* ok */
473                         digest=md_alg;
474                         }
475                 else if (strcmp(*argv,"-extensions") == 0)
476                         {
477                         if (--argc < 1) goto bad;
478                         extensions = *(++argv);
479                         }
480                 else if (strcmp(*argv,"-reqexts") == 0)
481                         {
482                         if (--argc < 1) goto bad;
483                         req_exts = *(++argv);
484                         }
485                 else
486                         {
487                         BIO_printf(bio_err,"unknown option %s\n",*argv);
488                         badops=1;
489                         break;
490                         }
491                 argc--;
492                 argv++;
493                 }
494
495         if (badops)
496                 {
497 bad:
498                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
499                 BIO_printf(bio_err,"where options  are\n");
500                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
501                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
502                 BIO_printf(bio_err," -in arg        input file\n");
503                 BIO_printf(bio_err," -out arg       output file\n");
504                 BIO_printf(bio_err," -text          text form of request\n");
505                 BIO_printf(bio_err," -pubkey        output public key\n");
506                 BIO_printf(bio_err," -noout         do not output REQ\n");
507                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
508                 BIO_printf(bio_err," -modulus       RSA modulus\n");
509                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
510 #ifndef OPENSSL_NO_ENGINE
511                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
512 #endif
513                 BIO_printf(bio_err," -subject       output the request's subject\n");
514                 BIO_printf(bio_err," -passin        private key password source\n");
515                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
516                 BIO_printf(bio_err," -keyform arg   key file format\n");
517                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
518                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
519                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
520                 BIO_printf(bio_err,"                the random number generator\n");
521                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
522                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
523 #ifndef OPENSSL_NO_ECDSA
524                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
525 #endif
526                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
527                 BIO_printf(bio_err," -config file   request template file.\n");
528                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
529                 BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n");
530                 BIO_printf(bio_err," -new           new request.\n");
531                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
532                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
533                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
534                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
535                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
536                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
537                 BIO_printf(bio_err,"                have been reported as requiring\n");
538                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
539                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
540                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
541                 BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
542                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
543                 goto end;
544                 }
545
546         ERR_load_crypto_strings();
547         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
548                 BIO_printf(bio_err, "Error getting passwords\n");
549                 goto end;
550         }
551
552 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
553         /* Lets load up our environment a little */
554         p=getenv("OPENSSL_CONF");
555         if (p == NULL)
556                 p=getenv("SSLEAY_CONF");
557         if (p == NULL)
558                 p=to_free=make_config_name();
559         default_config_file=p;
560         config=NCONF_new(NULL);
561         i=NCONF_load(config, p, &errline);
562 #endif
563
564         if (template != NULL)
565                 {
566                 long errline = -1;
567
568                 if( verbose )
569                         BIO_printf(bio_err,"Using configuration from %s\n",template);
570                 req_conf=NCONF_new(NULL);
571                 i=NCONF_load(req_conf,template,&errline);
572                 if (i == 0)
573                         {
574                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
575                         goto end;
576                         }
577                 }
578         else
579                 {
580                 req_conf=config;
581
582                 if (req_conf == NULL)
583                         {
584                         BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
585                         if (newreq)
586                                 goto end;
587                         }
588                 else if( verbose )
589                         BIO_printf(bio_err,"Using configuration from %s\n",
590                         default_config_file);
591                 }
592
593         if (req_conf != NULL)
594                 {
595                 if (!load_config(bio_err, req_conf))
596                         goto end;
597                 p=NCONF_get_string(req_conf,NULL,"oid_file");
598                 if (p == NULL)
599                         ERR_clear_error();
600                 if (p != NULL)
601                         {
602                         BIO *oid_bio;
603
604                         oid_bio=BIO_new_file(p,"r");
605                         if (oid_bio == NULL) 
606                                 {
607                                 /*
608                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
609                                 ERR_print_errors(bio_err);
610                                 */
611                                 }
612                         else
613                                 {
614                                 OBJ_create_objects(oid_bio);
615                                 BIO_free(oid_bio);
616                                 }
617                         }
618                 }
619         if(!add_oid_section(bio_err, req_conf)) goto end;
620
621         if (md_alg == NULL)
622                 {
623                 p=NCONF_get_string(req_conf,SECTION,"default_md");
624                 if (p == NULL)
625                         ERR_clear_error();
626                 if (p != NULL)
627                         {
628                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
629                                 digest=md_alg;
630                         }
631                 }
632
633         if (!extensions)
634                 {
635                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
636                 if (!extensions)
637                         ERR_clear_error();
638                 }
639         if (extensions) {
640                 /* Check syntax of file */
641                 X509V3_CTX ctx;
642                 X509V3_set_ctx_test(&ctx);
643                 X509V3_set_nconf(&ctx, req_conf);
644                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
645                         BIO_printf(bio_err,
646                          "Error Loading extension section %s\n", extensions);
647                         goto end;
648                 }
649         }
650
651         if(!passin)
652                 {
653                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
654                 if (!passin)
655                         ERR_clear_error();
656                 }
657         
658         if(!passout)
659                 {
660                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
661                 if (!passout)
662                         ERR_clear_error();
663                 }
664
665         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
666         if (!p)
667                 ERR_clear_error();
668
669         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
670                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
671                 goto end;
672         }
673
674         if (chtype != MBSTRING_UTF8)
675                 {
676                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
677                 if (!p)
678                         ERR_clear_error();
679                 else if (!strcmp(p, "yes"))
680                         chtype = MBSTRING_UTF8;
681                 }
682
683
684         if(!req_exts)
685                 {
686                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
687                 if (!req_exts)
688                         ERR_clear_error();
689                 }
690         if(req_exts) {
691                 /* Check syntax of file */
692                 X509V3_CTX ctx;
693                 X509V3_set_ctx_test(&ctx);
694                 X509V3_set_nconf(&ctx, req_conf);
695                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
696                         BIO_printf(bio_err,
697                          "Error Loading request extension section %s\n",
698                                                                 req_exts);
699                         goto end;
700                 }
701         }
702
703         in=BIO_new(BIO_s_file());
704         out=BIO_new(BIO_s_file());
705         if ((in == NULL) || (out == NULL))
706                 goto end;
707
708 #ifndef OPENSSL_NO_ENGINE
709         e = setup_engine(bio_err, engine, 0);
710 #endif
711
712         if (keyfile != NULL)
713                 {
714                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
715                         "Private Key");
716                 if (!pkey)
717                         {
718                         /* load_key() has already printed an appropriate
719                            message */
720                         goto end;
721                         }
722                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA || 
723                         EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
724                         {
725                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
726                         if (randfile == NULL)
727                                 ERR_clear_error();
728                         app_RAND_load_file(randfile, bio_err, 0);
729                         }
730                 }
731
732         if (newreq && (pkey == NULL))
733                 {
734 #ifndef OPENSSL_NO_RSA
735                 BN_GENCB cb;
736 #endif
737                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
738                 if (randfile == NULL)
739                         ERR_clear_error();
740                 app_RAND_load_file(randfile, bio_err, 0);
741                 if (inrand)
742                         app_RAND_load_files(inrand);
743         
744                 if (newkey <= 0)
745                         {
746                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
747                                 newkey=DEFAULT_KEY_LENGTH;
748                         }
749
750                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
751                         {
752                         BIO_printf(bio_err,"private key length is too short,\n");
753                         BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
754                         goto end;
755                         }
756                 BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
757                         newkey,(pkey_type == TYPE_RSA)?"RSA":
758                         (pkey_type == TYPE_DSA)?"DSA":"EC");
759
760                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
761
762 #ifndef OPENSSL_NO_RSA
763                 BN_GENCB_set(&cb, req_cb, bio_err);
764                 if (pkey_type == TYPE_RSA)
765                         {
766                         RSA *rsa = RSA_new();
767                         BIGNUM *bn = BN_new();
768                         if(!bn || !rsa || !BN_set_word(bn, 0x10001) ||
769                                         !RSA_generate_key_ex(rsa, newkey, bn, &cb) ||
770                                         !EVP_PKEY_assign_RSA(pkey, rsa))
771                                 {
772                                 if(bn) BN_free(bn);
773                                 if(rsa) RSA_free(rsa);
774                                 goto end;
775                                 }
776                         BN_free(bn);
777                         }
778                 else
779 #endif
780 #ifndef OPENSSL_NO_DSA
781                         if (pkey_type == TYPE_DSA)
782                         {
783                         if (!DSA_generate_key(dsa_params)) goto end;
784                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
785                         dsa_params=NULL;
786                         }
787 #endif
788 #ifndef OPENSSL_NO_ECDSA
789                         if (pkey_type == TYPE_EC)
790                         {
791                         if (!EC_KEY_generate_key(ec_params)) goto end;
792                         if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params)) 
793                                 goto end;
794                         ec_params = NULL;
795                         }
796 #endif
797
798                 app_RAND_write_file(randfile, bio_err);
799
800                 if (pkey == NULL) goto end;
801
802                 if (keyout == NULL)
803                         {
804                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
805                         if (keyout == NULL)
806                                 ERR_clear_error();
807                         }
808                 
809                 if (keyout == NULL)
810                         {
811                         BIO_printf(bio_err,"writing new private key to stdout\n");
812                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
813 #ifdef OPENSSL_SYS_VMS
814                         {
815                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
816                         out = BIO_push(tmpbio, out);
817                         }
818 #endif
819                         }
820                 else
821                         {
822                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
823                         if (BIO_write_filename(out,keyout) <= 0)
824                                 {
825                                 perror(keyout);
826                                 goto end;
827                                 }
828                         }
829
830                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
831                 if (p == NULL)
832                         {
833                         ERR_clear_error();
834                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
835                         if (p == NULL)
836                                 ERR_clear_error();
837                         }
838                 if ((p != NULL) && (strcmp(p,"no") == 0))
839                         cipher=NULL;
840                 if (nodes) cipher=NULL;
841                 
842                 i=0;
843 loop:
844                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
845                         NULL,0,NULL,passout))
846                         {
847                         if ((ERR_GET_REASON(ERR_peek_error()) ==
848                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
849                                 {
850                                 ERR_clear_error();
851                                 i++;
852                                 goto loop;
853                                 }
854                         goto end;
855                         }
856                 BIO_printf(bio_err,"-----\n");
857                 }
858
859         if (!newreq)
860                 {
861                 /* Since we are using a pre-existing certificate
862                  * request, the kludge 'format' info should not be
863                  * changed. */
864                 kludge= -1;
865                 if (infile == NULL)
866                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
867                 else
868                         {
869                         if (BIO_read_filename(in,infile) <= 0)
870                                 {
871                                 perror(infile);
872                                 goto end;
873                                 }
874                         }
875
876                 if      (informat == FORMAT_ASN1)
877                         req=d2i_X509_REQ_bio(in,NULL);
878                 else if (informat == FORMAT_PEM)
879                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
880                 else
881                         {
882                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
883                         goto end;
884                         }
885                 if (req == NULL)
886                         {
887                         BIO_printf(bio_err,"unable to load X509 request\n");
888                         goto end;
889                         }
890                 }
891
892         if (newreq || x509)
893                 {
894                 if (pkey == NULL)
895                         {
896                         BIO_printf(bio_err,"you need to specify a private key\n");
897                         goto end;
898                         }
899 #ifndef OPENSSL_NO_DSA
900                 if (pkey->type == EVP_PKEY_DSA)
901                         digest=EVP_dss1();
902 #endif
903 #ifndef OPENSSL_NO_ECDSA
904                 if (pkey->type == EVP_PKEY_EC)
905                         digest=EVP_ecdsa();
906 #endif
907                 if (req == NULL)
908                         {
909                         req=X509_REQ_new();
910                         if (req == NULL)
911                                 {
912                                 goto end;
913                                 }
914
915                         i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
916                         subj=NULL; /* done processing '-subj' option */
917                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
918                                 {
919                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
920                                 req->req_info->attributes = NULL;
921                                 }
922                         if (!i)
923                                 {
924                                 BIO_printf(bio_err,"problems making Certificate Request\n");
925                                 goto end;
926                                 }
927                         }
928                 if (x509)
929                         {
930                         EVP_PKEY *tmppkey;
931                         X509V3_CTX ext_ctx;
932                         if ((x509ss=X509_new()) == NULL) goto end;
933
934                         /* Set version to V3 */
935                         if(extensions && !X509_set_version(x509ss, 2)) goto end;
936                         if (serial)
937                                 {
938                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
939                                 }
940                         else
941                                 {
942                                 if (!rand_serial(NULL,
943                                         X509_get_serialNumber(x509ss)))
944                                                 goto end;
945                                 }
946
947                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
948                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
949                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
950                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
951                         tmppkey = X509_REQ_get_pubkey(req);
952                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
953                         EVP_PKEY_free(tmppkey);
954
955                         /* Set up V3 context struct */
956
957                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
958                         X509V3_set_nconf(&ext_ctx, req_conf);
959
960                         /* Add extensions */
961                         if(extensions && !X509V3_EXT_add_nconf(req_conf, 
962                                         &ext_ctx, extensions, x509ss))
963                                 {
964                                 BIO_printf(bio_err,
965                                         "Error Loading extension section %s\n",
966                                         extensions);
967                                 goto end;
968                                 }
969                         
970                         if (!(i=X509_sign(x509ss,pkey,digest)))
971                                 goto end;
972                         }
973                 else
974                         {
975                         X509V3_CTX ext_ctx;
976
977                         /* Set up V3 context struct */
978
979                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
980                         X509V3_set_nconf(&ext_ctx, req_conf);
981
982                         /* Add extensions */
983                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 
984                                         &ext_ctx, req_exts, req))
985                                 {
986                                 BIO_printf(bio_err,
987                                         "Error Loading extension section %s\n",
988                                         req_exts);
989                                 goto end;
990                                 }
991                         if (!(i=X509_REQ_sign(req,pkey,digest)))
992                                 goto end;
993                         }
994                 }
995
996         if (subj && x509)
997                 {
998                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
999                 goto end;
1000                 }
1001
1002         if (subj && !x509)
1003                 {
1004                 if (verbose)
1005                         {
1006                         BIO_printf(bio_err, "Modifying Request's Subject\n");
1007                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
1008                         }
1009
1010                 if (build_subject(req, subj, chtype, multirdn) == 0)
1011                         {
1012                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
1013                         ex=1;
1014                         goto end;
1015                         }
1016
1017                 req->req_info->enc.modified = 1;
1018
1019                 if (verbose)
1020                         {
1021                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
1022                         }
1023                 }
1024
1025         if (verify && !x509)
1026                 {
1027                 int tmp=0;
1028
1029                 if (pkey == NULL)
1030                         {
1031                         pkey=X509_REQ_get_pubkey(req);
1032                         tmp=1;
1033                         if (pkey == NULL) goto end;
1034                         }
1035
1036                 i=X509_REQ_verify(req,pkey);
1037                 if (tmp) {
1038                         EVP_PKEY_free(pkey);
1039                         pkey=NULL;
1040                 }
1041
1042                 if (i < 0)
1043                         {
1044                         goto end;
1045                         }
1046                 else if (i == 0)
1047                         {
1048                         BIO_printf(bio_err,"verify failure\n");
1049                         ERR_print_errors(bio_err);
1050                         }
1051                 else /* if (i > 0) */
1052                         BIO_printf(bio_err,"verify OK\n");
1053                 }
1054
1055         if (noout && !text && !modulus && !subject && !pubkey)
1056                 {
1057                 ex=0;
1058                 goto end;
1059                 }
1060
1061         if (outfile == NULL)
1062                 {
1063                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1064 #ifdef OPENSSL_SYS_VMS
1065                 {
1066                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1067                 out = BIO_push(tmpbio, out);
1068                 }
1069 #endif
1070                 }
1071         else
1072                 {
1073                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1074                         i=(int)BIO_append_filename(out,outfile);
1075                 else
1076                         i=(int)BIO_write_filename(out,outfile);
1077                 if (!i)
1078                         {
1079                         perror(outfile);
1080                         goto end;
1081                         }
1082                 }
1083
1084         if (pubkey)
1085                 {
1086                 EVP_PKEY *tpubkey; 
1087                 tpubkey=X509_REQ_get_pubkey(req);
1088                 if (tpubkey == NULL)
1089                         {
1090                         BIO_printf(bio_err,"Error getting public key\n");
1091                         ERR_print_errors(bio_err);
1092                         goto end;
1093                         }
1094                 PEM_write_bio_PUBKEY(out, tpubkey);
1095                 EVP_PKEY_free(tpubkey);
1096                 }
1097
1098         if (text)
1099                 {
1100                 if (x509)
1101                         X509_print_ex(out, x509ss, nmflag, reqflag);
1102                 else    
1103                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1104                 }
1105
1106         if(subject) 
1107                 {
1108                 if(x509)
1109                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1110                 else
1111                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1112                 }
1113
1114         if (modulus)
1115                 {
1116                 EVP_PKEY *tpubkey;
1117
1118                 if (x509)
1119                         tpubkey=X509_get_pubkey(x509ss);
1120                 else
1121                         tpubkey=X509_REQ_get_pubkey(req);
1122                 if (tpubkey == NULL)
1123                         {
1124                         fprintf(stdout,"Modulus=unavailable\n");
1125                         goto end; 
1126                         }
1127                 fprintf(stdout,"Modulus=");
1128 #ifndef OPENSSL_NO_RSA
1129                 if (tpubkey->type == EVP_PKEY_RSA)
1130                         BN_print(out,tpubkey->pkey.rsa->n);
1131                 else
1132 #endif
1133                         fprintf(stdout,"Wrong Algorithm type");
1134                 EVP_PKEY_free(tpubkey);
1135                 fprintf(stdout,"\n");
1136                 }
1137
1138         if (!noout && !x509)
1139                 {
1140                 if      (outformat == FORMAT_ASN1)
1141                         i=i2d_X509_REQ_bio(out,req);
1142                 else if (outformat == FORMAT_PEM) {
1143                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1144                         else i=PEM_write_bio_X509_REQ(out,req);
1145                 } else {
1146                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1147                         goto end;
1148                         }
1149                 if (!i)
1150                         {
1151                         BIO_printf(bio_err,"unable to write X509 request\n");
1152                         goto end;
1153                         }
1154                 }
1155         if (!noout && x509 && (x509ss != NULL))
1156                 {
1157                 if      (outformat == FORMAT_ASN1)
1158                         i=i2d_X509_bio(out,x509ss);
1159                 else if (outformat == FORMAT_PEM)
1160                         i=PEM_write_bio_X509(out,x509ss);
1161                 else    {
1162                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1163                         goto end;
1164                         }
1165                 if (!i)
1166                         {
1167                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1168                         goto end;
1169                         }
1170                 }
1171         ex=0;
1172 end:
1173 #ifndef MONOLITH
1174         if(to_free)
1175                 OPENSSL_free(to_free);
1176 #endif
1177         if (ex)
1178                 {
1179                 ERR_print_errors(bio_err);
1180                 }
1181         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1182         BIO_free(in);
1183         BIO_free_all(out);
1184         EVP_PKEY_free(pkey);
1185         X509_REQ_free(req);
1186         X509_free(x509ss);
1187         ASN1_INTEGER_free(serial);
1188         if(passargin && passin) OPENSSL_free(passin);
1189         if(passargout && passout) OPENSSL_free(passout);
1190         OBJ_cleanup();
1191 #ifndef OPENSSL_NO_DSA
1192         if (dsa_params != NULL) DSA_free(dsa_params);
1193 #endif
1194 #ifndef OPENSSL_NO_ECDSA
1195         if (ec_params != NULL) EC_KEY_free(ec_params);
1196 #endif
1197         apps_shutdown();
1198         OPENSSL_EXIT(ex);
1199         }
1200
1201 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1202                         int attribs, unsigned long chtype)
1203         {
1204         int ret=0,i;
1205         char no_prompt = 0;
1206         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1207         char *tmp, *dn_sect,*attr_sect;
1208
1209         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1210         if (tmp == NULL)
1211                 ERR_clear_error();
1212         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1213
1214         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1215         if (dn_sect == NULL)
1216                 {
1217                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1218                         DISTINGUISHED_NAME);
1219                 goto err;
1220                 }
1221         dn_sk=NCONF_get_section(req_conf,dn_sect);
1222         if (dn_sk == NULL)
1223                 {
1224                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1225                 goto err;
1226                 }
1227
1228         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1229         if (attr_sect == NULL)
1230                 {
1231                 ERR_clear_error();              
1232                 attr_sk=NULL;
1233                 }
1234         else
1235                 {
1236                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1237                 if (attr_sk == NULL)
1238                         {
1239                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1240                         goto err;
1241                         }
1242                 }
1243
1244         /* setup version number */
1245         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1246
1247         if (no_prompt) 
1248                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1249         else 
1250                 {
1251                 if (subj)
1252                         i = build_subject(req, subj, chtype, multirdn);
1253                 else
1254                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1255                 }
1256         if(!i) goto err;
1257
1258         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1259
1260         ret=1;
1261 err:
1262         return(ret);
1263         }
1264
1265 /*
1266  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1267  * where characters may be escaped by \
1268  */
1269 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1270         {
1271         X509_NAME *n;
1272
1273         if (!(n = parse_name(subject, chtype, multirdn)))
1274                 return 0;
1275
1276         if (!X509_REQ_set_subject_name(req, n))
1277                 {
1278                 X509_NAME_free(n);
1279                 return 0;
1280                 }
1281         X509_NAME_free(n);
1282         return 1;
1283 }
1284
1285
1286 static int prompt_info(X509_REQ *req,
1287                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1288                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1289                 unsigned long chtype)
1290         {
1291         int i;
1292         char *p,*q;
1293         char buf[100];
1294         int nid, mval;
1295         long n_min,n_max;
1296         char *type, *value;
1297         const char *def;
1298         CONF_VALUE *v;
1299         X509_NAME *subj;
1300         subj = X509_REQ_get_subject_name(req);
1301
1302         if(!batch)
1303                 {
1304                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1305                 BIO_printf(bio_err,"into your certificate request.\n");
1306                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1307                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1308                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1309                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1310                 BIO_printf(bio_err,"-----\n");
1311                 }
1312
1313
1314         if (sk_CONF_VALUE_num(dn_sk))
1315                 {
1316                 i= -1;
1317 start:          for (;;)
1318                         {
1319                         i++;
1320                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1321
1322                         v=sk_CONF_VALUE_value(dn_sk,i);
1323                         p=q=NULL;
1324                         type=v->name;
1325                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1326                                 !check_end(type,"_default") ||
1327                                          !check_end(type,"_value")) continue;
1328                         /* Skip past any leading X. X: X, etc to allow for
1329                          * multiple instances 
1330                          */
1331                         for(p = v->name; *p ; p++) 
1332                                 if ((*p == ':') || (*p == ',') ||
1333                                                          (*p == '.')) {
1334                                         p++;
1335                                         if(*p) type = p;
1336                                         break;
1337                                 }
1338                         if (*type == '+')
1339                                 {
1340                                 mval = -1;
1341                                 type++;
1342                                 }
1343                         else
1344                                 mval = 0;
1345                         /* If OBJ not recognised ignore it */
1346                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1347                         if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1348                                 >= (int)sizeof(buf))
1349                            {
1350                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1351                            return 0;
1352                            }
1353
1354                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1355                                 {
1356                                 ERR_clear_error();
1357                                 def="";
1358                                 }
1359                                 
1360                         BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1361                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1362                                 {
1363                                 ERR_clear_error();
1364                                 value=NULL;
1365                                 }
1366
1367                         BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1368                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1369                                 {
1370                                 ERR_clear_error();
1371                                 n_min = -1;
1372                                 }
1373
1374                         BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1375                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1376                                 {
1377                                 ERR_clear_error();
1378                                 n_max = -1;
1379                                 }
1380
1381                         if (!add_DN_object(subj,v->value,def,value,nid,
1382                                 n_min,n_max, chtype, mval))
1383                                 return 0;
1384                         }
1385                 if (X509_NAME_entry_count(subj) == 0)
1386                         {
1387                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1388                         return 0;
1389                         }
1390
1391                 if (attribs)
1392                         {
1393                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1394                                 {
1395                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1396                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1397                                 }
1398
1399                         i= -1;
1400 start2:                 for (;;)
1401                                 {
1402                                 i++;
1403                                 if ((attr_sk == NULL) ||
1404                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1405                                         break;
1406
1407                                 v=sk_CONF_VALUE_value(attr_sk,i);
1408                                 type=v->name;
1409                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1410                                         goto start2;
1411
1412                                 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1413                                         >= (int)sizeof(buf))
1414                                    {
1415                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1416                                    return 0;
1417                                    }
1418
1419                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1420                                         == NULL)
1421                                         {
1422                                         ERR_clear_error();
1423                                         def="";
1424                                         }
1425                                 
1426                                 
1427                                 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1428                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1429                                         == NULL)
1430                                         {
1431                                         ERR_clear_error();
1432                                         value=NULL;
1433                                         }
1434
1435                                 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1436                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1437                                         n_min = -1;
1438
1439                                 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1440                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1441                                         n_max = -1;
1442
1443                                 if (!add_attribute_object(req,
1444                                         v->value,def,value,nid,n_min,n_max, chtype))
1445                                         return 0;
1446                                 }
1447                         }
1448                 }
1449         else
1450                 {
1451                 BIO_printf(bio_err,"No template, please set one up.\n");
1452                 return 0;
1453                 }
1454
1455         return 1;
1456
1457         }
1458
1459 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1460                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1461         {
1462         int i;
1463         char *p,*q;
1464         char *type;
1465         CONF_VALUE *v;
1466         X509_NAME *subj;
1467
1468         subj = X509_REQ_get_subject_name(req);
1469
1470         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1471                 {
1472                 int mval;
1473                 v=sk_CONF_VALUE_value(dn_sk,i);
1474                 p=q=NULL;
1475                 type=v->name;
1476                 /* Skip past any leading X. X: X, etc to allow for
1477                  * multiple instances 
1478                  */
1479                 for(p = v->name; *p ; p++) 
1480 #ifndef CHARSET_EBCDIC
1481                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1482 #else
1483                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1484 #endif
1485                                 p++;
1486                                 if(*p) type = p;
1487                                 break;
1488                         }
1489 #ifndef CHARSET_EBCDIC
1490                 if (*p == '+')
1491 #else
1492                 if (*p == os_toascii['+'])
1493 #endif
1494                         {
1495                         p++;
1496                         mval = -1;
1497                         }
1498                 else
1499                         mval = 0;
1500                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1501                                 (unsigned char *) v->value,-1,-1,mval)) return 0;
1502
1503                 }
1504
1505                 if (!X509_NAME_entry_count(subj))
1506                         {
1507                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1508                         return 0;
1509                         }
1510                 if (attribs)
1511                         {
1512                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1513                                 {
1514                                 v=sk_CONF_VALUE_value(attr_sk,i);
1515                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1516                                         (unsigned char *)v->value, -1)) return 0;
1517                                 }
1518                         }
1519         return 1;
1520         }
1521
1522
1523 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1524              int nid, int n_min, int n_max, unsigned long chtype, int mval)
1525         {
1526         int i,ret=0;
1527         MS_STATIC char buf[1024];
1528 start:
1529         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1530         (void)BIO_flush(bio_err);
1531         if(value != NULL)
1532                 {
1533                 BUF_strlcpy(buf,value,sizeof buf);
1534                 BUF_strlcat(buf,"\n",sizeof buf);
1535                 BIO_printf(bio_err,"%s\n",value);
1536                 }
1537         else
1538                 {
1539                 buf[0]='\0';
1540                 if (!batch)
1541                         {
1542                         fgets(buf,sizeof buf,stdin);
1543                         }
1544                 else
1545                         {
1546                         buf[0] = '\n';
1547                         buf[1] = '\0';
1548                         }
1549                 }
1550
1551         if (buf[0] == '\0') return(0);
1552         else if (buf[0] == '\n')
1553                 {
1554                 if ((def == NULL) || (def[0] == '\0'))
1555                         return(1);
1556                 BUF_strlcpy(buf,def,sizeof buf);
1557                 BUF_strlcat(buf,"\n",sizeof buf);
1558                 }
1559         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1560
1561         i=strlen(buf);
1562         if (buf[i-1] != '\n')
1563                 {
1564                 BIO_printf(bio_err,"weird input :-(\n");
1565                 return(0);
1566                 }
1567         buf[--i]='\0';
1568 #ifdef CHARSET_EBCDIC
1569         ebcdic2ascii(buf, buf, i);
1570 #endif
1571         if(!req_check_len(i, n_min, n_max)) goto start;
1572         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1573                                 (unsigned char *) buf, -1,-1,mval)) goto err;
1574         ret=1;
1575 err:
1576         return(ret);
1577         }
1578
1579 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1580                                 char *value, int nid, int n_min,
1581                                 int n_max, unsigned long chtype)
1582         {
1583         int i;
1584         static char buf[1024];
1585
1586 start:
1587         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1588         (void)BIO_flush(bio_err);
1589         if (value != NULL)
1590                 {
1591                 BUF_strlcpy(buf,value,sizeof buf);
1592                 BUF_strlcat(buf,"\n",sizeof buf);
1593                 BIO_printf(bio_err,"%s\n",value);
1594                 }
1595         else
1596                 {
1597                 buf[0]='\0';
1598                 if (!batch)
1599                         {
1600                         fgets(buf,sizeof buf,stdin);
1601                         }
1602                 else
1603                         {
1604                         buf[0] = '\n';
1605                         buf[1] = '\0';
1606                         }
1607                 }
1608
1609         if (buf[0] == '\0') return(0);
1610         else if (buf[0] == '\n')
1611                 {
1612                 if ((def == NULL) || (def[0] == '\0'))
1613                         return(1);
1614                 BUF_strlcpy(buf,def,sizeof buf);
1615                 BUF_strlcat(buf,"\n",sizeof buf);
1616                 }
1617         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1618
1619         i=strlen(buf);
1620         if (buf[i-1] != '\n')
1621                 {
1622                 BIO_printf(bio_err,"weird input :-(\n");
1623                 return(0);
1624                 }
1625         buf[--i]='\0';
1626 #ifdef CHARSET_EBCDIC
1627         ebcdic2ascii(buf, buf, i);
1628 #endif
1629         if(!req_check_len(i, n_min, n_max)) goto start;
1630
1631         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1632                                         (unsigned char *)buf, -1)) {
1633                 BIO_printf(bio_err, "Error adding attribute\n");
1634                 ERR_print_errors(bio_err);
1635                 goto err;
1636         }
1637
1638         return(1);
1639 err:
1640         return(0);
1641         }
1642
1643 #ifndef OPENSSL_NO_RSA
1644 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb)
1645         {
1646         char c='*';
1647
1648         if (p == 0) c='.';
1649         if (p == 1) c='+';
1650         if (p == 2) c='*';
1651         if (p == 3) c='\n';
1652         BIO_write(cb->arg,&c,1);
1653         (void)BIO_flush(cb->arg);
1654 #ifdef LINT
1655         p=n;
1656 #endif
1657         return 1;
1658         }
1659 #endif
1660
1661 static int req_check_len(int len, int n_min, int n_max)
1662         {
1663         if ((n_min > 0) && (len < n_min))
1664                 {
1665                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1666                 return(0);
1667                 }
1668         if ((n_max >= 0) && (len > n_max))
1669                 {
1670                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1671                 return(0);
1672                 }
1673         return(1);
1674         }
1675
1676 /* Check if the end of a string matches 'end' */
1677 static int check_end(const char *str, const char *end)
1678 {
1679         int elen, slen; 
1680         const char *tmp;
1681         elen = strlen(end);
1682         slen = strlen(str);
1683         if(elen > slen) return 1;
1684         tmp = str + slen - elen;
1685         return strcmp(tmp, end);
1686 }