c4bec05436a91a15026f2e92b6ad0b1b383ff56e
[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,4) == 0)
332                                 {
333                                 X509 *xtmp=NULL;
334                                 EVP_PKEY *dtmp;
335
336                                 pkey_type=TYPE_EC;
337                                 p+=6;
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                                 pkey_type=TYPE_RSA;
387
388                         newreq=1;
389                         }
390                 else if (strcmp(*argv,"-batch") == 0)
391                         batch=1;
392                 else if (strcmp(*argv,"-newhdr") == 0)
393                         newhdr=1;
394                 else if (strcmp(*argv,"-modulus") == 0)
395                         modulus=1;
396                 else if (strcmp(*argv,"-verify") == 0)
397                         verify=1;
398                 else if (strcmp(*argv,"-nodes") == 0)
399                         nodes=1;
400                 else if (strcmp(*argv,"-noout") == 0)
401                         noout=1;
402                 else if (strcmp(*argv,"-verbose") == 0)
403                         verbose=1;
404                 else if (strcmp(*argv,"-utf8") == 0)
405                         chtype = MBSTRING_UTF8;
406                 else if (strcmp(*argv,"-nameopt") == 0)
407                         {
408                         if (--argc < 1) goto bad;
409                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
410                         }
411                 else if (strcmp(*argv,"-reqopt") == 0)
412                         {
413                         if (--argc < 1) goto bad;
414                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
415                         }
416                 else if (strcmp(*argv,"-subject") == 0)
417                         subject=1;
418                 else if (strcmp(*argv,"-text") == 0)
419                         text=1;
420                 else if (strcmp(*argv,"-x509") == 0)
421                         x509=1;
422                 else if (strcmp(*argv,"-asn1-kludge") == 0)
423                         kludge=1;
424                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
425                         kludge=0;
426                 else if (strcmp(*argv,"-subj") == 0)
427                         {
428                         if (--argc < 1) goto bad;
429                         subj= *(++argv);
430                         }
431                 else if (strcmp(*argv,"-days") == 0)
432                         {
433                         if (--argc < 1) goto bad;
434                         days= atoi(*(++argv));
435                         if (days == 0) days=30;
436                         }
437                 else if (strcmp(*argv,"-set_serial") == 0)
438                         {
439                         if (--argc < 1) goto bad;
440                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
441                         if (!serial) goto bad;
442                         }
443                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
444                         {
445                         /* ok */
446                         digest=md_alg;
447                         }
448                 else if (strcmp(*argv,"-extensions") == 0)
449                         {
450                         if (--argc < 1) goto bad;
451                         extensions = *(++argv);
452                         }
453                 else if (strcmp(*argv,"-reqexts") == 0)
454                         {
455                         if (--argc < 1) goto bad;
456                         req_exts = *(++argv);
457                         }
458                 else
459                         {
460                         BIO_printf(bio_err,"unknown option %s\n",*argv);
461                         badops=1;
462                         break;
463                         }
464                 argc--;
465                 argv++;
466                 }
467
468         if (badops)
469                 {
470 bad:
471                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
472                 BIO_printf(bio_err,"where options  are\n");
473                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
474                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
475                 BIO_printf(bio_err," -in arg        input file\n");
476                 BIO_printf(bio_err," -out arg       output file\n");
477                 BIO_printf(bio_err," -text          text form of request\n");
478                 BIO_printf(bio_err," -pubkey        output public key\n");
479                 BIO_printf(bio_err," -noout         do not output REQ\n");
480                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
481                 BIO_printf(bio_err," -modulus       RSA modulus\n");
482                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
483                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
484                 BIO_printf(bio_err," -subject       output the request's subject\n");
485                 BIO_printf(bio_err," -passin        private key password source\n");
486                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
487                 BIO_printf(bio_err," -keyform arg   key file format\n");
488                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
489                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
490                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
491                 BIO_printf(bio_err,"                the random number generator\n");
492                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
493                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
494 #ifndef OPENSSL_NO_ECDSA
495                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
496 #endif
497                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
498                 BIO_printf(bio_err," -config file   request template file.\n");
499                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
500                 BIO_printf(bio_err," -new           new request.\n");
501                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
502                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
503                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
504                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
505                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
506                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
507                 BIO_printf(bio_err,"                have been reported as requiring\n");
508                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
509                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
510                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
511                 BIO_printf(bio_err," -nameopt arg   - various certificate name options\n");
512                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
513                 goto end;
514                 }
515
516         ERR_load_crypto_strings();
517         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
518                 BIO_printf(bio_err, "Error getting passwords\n");
519                 goto end;
520         }
521
522 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
523         /* Lets load up our environment a little */
524         p=getenv("OPENSSL_CONF");
525         if (p == NULL)
526                 p=getenv("SSLEAY_CONF");
527         if (p == NULL)
528                 {
529                 strcpy(config_name,X509_get_default_cert_area());
530 #ifndef OPENSSL_SYS_VMS
531                 strcat(config_name,"/");
532 #endif
533                 strcat(config_name,OPENSSL_CONF);
534                 p=config_name;
535                 }
536         default_config_file=p;
537         config=NCONF_new(NULL);
538         i=NCONF_load(config, p, &errline);
539 #endif
540
541         if (template != NULL)
542                 {
543                 long errline;
544
545                 if( verbose )
546                         BIO_printf(bio_err,"Using configuration from %s\n",template);
547                 req_conf=NCONF_new(NULL);
548                 i=NCONF_load(req_conf,template,&errline);
549                 if (i == 0)
550                         {
551                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
552                         goto end;
553                         }
554                 }
555         else
556                 {
557                 req_conf=config;
558                 if( verbose )
559                         BIO_printf(bio_err,"Using configuration from %s\n",
560                         default_config_file);
561                 if (req_conf == NULL)
562                         {
563                         BIO_printf(bio_err,"Unable to load config info\n");
564                         }
565                 }
566
567         if (req_conf != NULL)
568                 {
569                 if (!load_config(bio_err, req_conf))
570                         goto end;
571                 p=NCONF_get_string(req_conf,NULL,"oid_file");
572                 if (p == NULL)
573                         ERR_clear_error();
574                 if (p != NULL)
575                         {
576                         BIO *oid_bio;
577
578                         oid_bio=BIO_new_file(p,"r");
579                         if (oid_bio == NULL) 
580                                 {
581                                 /*
582                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
583                                 ERR_print_errors(bio_err);
584                                 */
585                                 }
586                         else
587                                 {
588                                 OBJ_create_objects(oid_bio);
589                                 BIO_free(oid_bio);
590                                 }
591                         }
592                 }
593         if(!add_oid_section(bio_err, req_conf)) goto end;
594
595         if (md_alg == NULL)
596                 {
597                 p=NCONF_get_string(req_conf,SECTION,"default_md");
598                 if (p == NULL)
599                         ERR_clear_error();
600                 if (p != NULL)
601                         {
602                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
603                                 digest=md_alg;
604                         }
605                 }
606
607         if (!extensions)
608                 {
609                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
610                 if (!extensions)
611                         ERR_clear_error();
612                 }
613         if (extensions) {
614                 /* Check syntax of file */
615                 X509V3_CTX ctx;
616                 X509V3_set_ctx_test(&ctx);
617                 X509V3_set_nconf(&ctx, req_conf);
618                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
619                         BIO_printf(bio_err,
620                          "Error Loading extension section %s\n", extensions);
621                         goto end;
622                 }
623         }
624
625         if(!passin)
626                 {
627                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
628                 if (!passin)
629                         ERR_clear_error();
630                 }
631         
632         if(!passout)
633                 {
634                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
635                 if (!passout)
636                         ERR_clear_error();
637                 }
638
639         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
640         if (!p)
641                 ERR_clear_error();
642
643         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
644                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
645                 goto end;
646         }
647
648         if (chtype != MBSTRING_UTF8)
649                 {
650                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
651                 if (!p)
652                         ERR_clear_error();
653                 else if (!strcmp(p, "yes"))
654                         chtype = MBSTRING_UTF8;
655                 }
656
657
658         if(!req_exts)
659                 {
660                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
661                 if (!req_exts)
662                         ERR_clear_error();
663                 }
664         if(req_exts) {
665                 /* Check syntax of file */
666                 X509V3_CTX ctx;
667                 X509V3_set_ctx_test(&ctx);
668                 X509V3_set_nconf(&ctx, req_conf);
669                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
670                         BIO_printf(bio_err,
671                          "Error Loading request extension section %s\n",
672                                                                 req_exts);
673                         goto end;
674                 }
675         }
676
677         in=BIO_new(BIO_s_file());
678         out=BIO_new(BIO_s_file());
679         if ((in == NULL) || (out == NULL))
680                 goto end;
681
682         e = setup_engine(bio_err, engine, 0);
683
684         if (keyfile != NULL)
685                 {
686                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
687                         "Private Key");
688                 if (!pkey)
689                         {
690                         /* load_key() has already printed an appropriate
691                            message */
692                         goto end;
693                         }
694                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA || 
695                         EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
696                         {
697                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
698                         if (randfile == NULL)
699                                 ERR_clear_error();
700                         app_RAND_load_file(randfile, bio_err, 0);
701                         }
702                 }
703
704         if (newreq && (pkey == NULL))
705                 {
706                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
707                 if (randfile == NULL)
708                         ERR_clear_error();
709                 app_RAND_load_file(randfile, bio_err, 0);
710                 if (inrand)
711                         app_RAND_load_files(inrand);
712         
713                 if (newkey <= 0)
714                         {
715                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
716                                 newkey=DEFAULT_KEY_LENGTH;
717                         }
718
719                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
720                         {
721                         BIO_printf(bio_err,"private key length is too short,\n");
722                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
723                         goto end;
724                         }
725                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
726                         newkey,(pkey_type == TYPE_RSA)?"RSA":
727                         (pkey_type == TYPE_DSA)?"DSA":"EC");
728
729                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
730
731 #ifndef OPENSSL_NO_RSA
732                 if (pkey_type == TYPE_RSA)
733                         {
734                         if (!EVP_PKEY_assign_RSA(pkey,
735                                 RSA_generate_key(newkey,0x10001,
736                                         req_cb,bio_err)))
737                                 goto end;
738                         }
739                 else
740 #endif
741 #ifndef OPENSSL_NO_DSA
742                         if (pkey_type == TYPE_DSA)
743                         {
744                         if (!DSA_generate_key(dsa_params)) goto end;
745                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
746                         dsa_params=NULL;
747                         }
748 #endif
749 #ifndef OPENSSL_NO_ECDSA
750                         if (pkey_type == TYPE_EC)
751                         {
752                         if (!EC_KEY_generate_key(ec_params)) goto end;
753                         if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params)) 
754                                 goto end;
755                         ec_params = NULL;
756                         }
757 #endif
758
759                 app_RAND_write_file(randfile, bio_err);
760
761                 if (pkey == NULL) goto end;
762
763                 if (keyout == NULL)
764                         {
765                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
766                         if (keyout == NULL)
767                                 ERR_clear_error();
768                         }
769                 
770                 if (keyout == NULL)
771                         {
772                         BIO_printf(bio_err,"writing new private key to stdout\n");
773                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
774 #ifdef OPENSSL_SYS_VMS
775                         {
776                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
777                         out = BIO_push(tmpbio, out);
778                         }
779 #endif
780                         }
781                 else
782                         {
783                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
784                         if (BIO_write_filename(out,keyout) <= 0)
785                                 {
786                                 perror(keyout);
787                                 goto end;
788                                 }
789                         }
790
791                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
792                 if (p == NULL)
793                         {
794                         ERR_clear_error();
795                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
796                         if (p == NULL)
797                                 ERR_clear_error();
798                         }
799                 if ((p != NULL) && (strcmp(p,"no") == 0))
800                         cipher=NULL;
801                 if (nodes) cipher=NULL;
802                 
803                 i=0;
804 loop:
805                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
806                         NULL,0,NULL,passout))
807                         {
808                         if ((ERR_GET_REASON(ERR_peek_error()) ==
809                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
810                                 {
811                                 ERR_clear_error();
812                                 i++;
813                                 goto loop;
814                                 }
815                         goto end;
816                         }
817                 BIO_printf(bio_err,"-----\n");
818                 }
819
820         if (!newreq)
821                 {
822                 /* Since we are using a pre-existing certificate
823                  * request, the kludge 'format' info should not be
824                  * changed. */
825                 kludge= -1;
826                 if (infile == NULL)
827                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
828                 else
829                         {
830                         if (BIO_read_filename(in,infile) <= 0)
831                                 {
832                                 perror(infile);
833                                 goto end;
834                                 }
835                         }
836
837                 if      (informat == FORMAT_ASN1)
838                         req=d2i_X509_REQ_bio(in,NULL);
839                 else if (informat == FORMAT_PEM)
840                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
841                 else
842                         {
843                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
844                         goto end;
845                         }
846                 if (req == NULL)
847                         {
848                         BIO_printf(bio_err,"unable to load X509 request\n");
849                         goto end;
850                         }
851                 }
852
853         if (newreq || x509)
854                 {
855                 if (pkey == NULL)
856                         {
857                         BIO_printf(bio_err,"you need to specify a private key\n");
858                         goto end;
859                         }
860 #ifndef OPENSSL_NO_DSA
861                 if (pkey->type == EVP_PKEY_DSA)
862                         digest=EVP_dss1();
863 #endif
864 #ifndef OPENSSL_NO_ECDSA
865                 if (pkey->type == EVP_PKEY_EC)
866                         digest=EVP_ecdsa();
867 #endif
868                 if (req == NULL)
869                         {
870                         req=X509_REQ_new();
871                         if (req == NULL)
872                                 {
873                                 goto end;
874                                 }
875
876                         i=make_REQ(req,pkey,subj,!x509, chtype);
877                         subj=NULL; /* done processing '-subj' option */
878                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
879                                 {
880                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
881                                 req->req_info->attributes = NULL;
882                                 }
883                         if (!i)
884                                 {
885                                 BIO_printf(bio_err,"problems making Certificate Request\n");
886                                 goto end;
887                                 }
888                         }
889                 if (x509)
890                         {
891                         EVP_PKEY *tmppkey;
892                         X509V3_CTX ext_ctx;
893                         if ((x509ss=X509_new()) == NULL) goto end;
894
895                         /* Set version to V3 */
896                         if(!X509_set_version(x509ss, 2)) goto end;
897                         if (serial)
898                                 {
899                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
900                                 }
901                         else
902                                 {
903                                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L)) goto end;
904                                 }
905
906                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
907                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
908                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
909                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
910                         tmppkey = X509_REQ_get_pubkey(req);
911                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
912                         EVP_PKEY_free(tmppkey);
913
914                         /* Set up V3 context struct */
915
916                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
917                         X509V3_set_nconf(&ext_ctx, req_conf);
918
919                         /* Add extensions */
920                         if(extensions && !X509V3_EXT_add_nconf(req_conf, 
921                                         &ext_ctx, extensions, x509ss))
922                                 {
923                                 BIO_printf(bio_err,
924                                         "Error Loading extension section %s\n",
925                                         extensions);
926                                 goto end;
927                                 }
928                         
929                         if (!(i=X509_sign(x509ss,pkey,digest)))
930                                 goto end;
931                         }
932                 else
933                         {
934                         X509V3_CTX ext_ctx;
935
936                         /* Set up V3 context struct */
937
938                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
939                         X509V3_set_nconf(&ext_ctx, req_conf);
940
941                         /* Add extensions */
942                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 
943                                         &ext_ctx, req_exts, req))
944                                 {
945                                 BIO_printf(bio_err,
946                                         "Error Loading extension section %s\n",
947                                         req_exts);
948                                 goto end;
949                                 }
950                         if (!(i=X509_REQ_sign(req,pkey,digest)))
951                                 goto end;
952                         }
953                 }
954
955         if (subj && x509)
956                 {
957                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
958                 goto end;
959                 }
960
961         if (subj && !x509)
962                 {
963                 if (verbose)
964                         {
965                         BIO_printf(bio_err, "Modifying Request's Subject\n");
966                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
967                         }
968
969                 if (build_subject(req, subj, chtype) == 0)
970                         {
971                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
972                         ex=1;
973                         goto end;
974                         }
975
976                 req->req_info->enc.modified = 1;
977
978                 if (verbose)
979                         {
980                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
981                         }
982                 }
983
984         if (verify && !x509)
985                 {
986                 int tmp=0;
987
988                 if (pkey == NULL)
989                         {
990                         pkey=X509_REQ_get_pubkey(req);
991                         tmp=1;
992                         if (pkey == NULL) goto end;
993                         }
994
995                 i=X509_REQ_verify(req,pkey);
996                 if (tmp) {
997                         EVP_PKEY_free(pkey);
998                         pkey=NULL;
999                 }
1000
1001                 if (i < 0)
1002                         {
1003                         goto end;
1004                         }
1005                 else if (i == 0)
1006                         {
1007                         BIO_printf(bio_err,"verify failure\n");
1008                         ERR_print_errors(bio_err);
1009                         }
1010                 else /* if (i > 0) */
1011                         BIO_printf(bio_err,"verify OK\n");
1012                 }
1013
1014         if (noout && !text && !modulus && !subject && !pubkey)
1015                 {
1016                 ex=0;
1017                 goto end;
1018                 }
1019
1020         if (outfile == NULL)
1021                 {
1022                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1023 #ifdef OPENSSL_SYS_VMS
1024                 {
1025                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1026                 out = BIO_push(tmpbio, out);
1027                 }
1028 #endif
1029                 }
1030         else
1031                 {
1032                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1033                         i=(int)BIO_append_filename(out,outfile);
1034                 else
1035                         i=(int)BIO_write_filename(out,outfile);
1036                 if (!i)
1037                         {
1038                         perror(outfile);
1039                         goto end;
1040                         }
1041                 }
1042
1043         if (pubkey)
1044                 {
1045                 EVP_PKEY *tpubkey; 
1046                 tpubkey=X509_REQ_get_pubkey(req);
1047                 if (tpubkey == NULL)
1048                         {
1049                         BIO_printf(bio_err,"Error getting public key\n");
1050                         ERR_print_errors(bio_err);
1051                         goto end;
1052                         }
1053                 PEM_write_bio_PUBKEY(out, tpubkey);
1054                 EVP_PKEY_free(tpubkey);
1055                 }
1056
1057         if (text)
1058                 {
1059                 if (x509)
1060                         X509_print_ex(out, x509ss, nmflag, reqflag);
1061                 else    
1062                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1063                 }
1064
1065         if(subject) 
1066                 {
1067                 if(x509)
1068                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1069                 else
1070                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1071                 }
1072
1073         if (modulus)
1074                 {
1075                 EVP_PKEY *tpubkey;
1076
1077                 if (x509)
1078                         tpubkey=X509_get_pubkey(x509ss);
1079                 else
1080                         tpubkey=X509_REQ_get_pubkey(req);
1081                 if (tpubkey == NULL)
1082                         {
1083                         fprintf(stdout,"Modulus=unavailable\n");
1084                         goto end; 
1085                         }
1086                 fprintf(stdout,"Modulus=");
1087 #ifndef OPENSSL_NO_RSA
1088                 if (tpubkey->type == EVP_PKEY_RSA)
1089                         BN_print(out,tpubkey->pkey.rsa->n);
1090                 else
1091 #endif
1092                         fprintf(stdout,"Wrong Algorithm type");
1093                 EVP_PKEY_free(tpubkey);
1094                 fprintf(stdout,"\n");
1095                 }
1096
1097         if (!noout && !x509)
1098                 {
1099                 if      (outformat == FORMAT_ASN1)
1100                         i=i2d_X509_REQ_bio(out,req);
1101                 else if (outformat == FORMAT_PEM) {
1102                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1103                         else i=PEM_write_bio_X509_REQ(out,req);
1104                 } else {
1105                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1106                         goto end;
1107                         }
1108                 if (!i)
1109                         {
1110                         BIO_printf(bio_err,"unable to write X509 request\n");
1111                         goto end;
1112                         }
1113                 }
1114         if (!noout && x509 && (x509ss != NULL))
1115                 {
1116                 if      (outformat == FORMAT_ASN1)
1117                         i=i2d_X509_bio(out,x509ss);
1118                 else if (outformat == FORMAT_PEM)
1119                         i=PEM_write_bio_X509(out,x509ss);
1120                 else    {
1121                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1122                         goto end;
1123                         }
1124                 if (!i)
1125                         {
1126                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1127                         goto end;
1128                         }
1129                 }
1130         ex=0;
1131 end:
1132         if (ex)
1133                 {
1134                 ERR_print_errors(bio_err);
1135                 }
1136         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1137         BIO_free(in);
1138         BIO_free_all(out);
1139         EVP_PKEY_free(pkey);
1140         X509_REQ_free(req);
1141         X509_free(x509ss);
1142         ASN1_INTEGER_free(serial);
1143         if(passargin && passin) OPENSSL_free(passin);
1144         if(passargout && passout) OPENSSL_free(passout);
1145         OBJ_cleanup();
1146 #ifndef OPENSSL_NO_DSA
1147         if (dsa_params != NULL) DSA_free(dsa_params);
1148 #endif
1149 #ifndef OPENSSL_NO_ECDSA
1150         if (ec_params != NULL) EC_KEY_free(ec_params);
1151 #endif
1152         apps_shutdown();
1153         EXIT(ex);
1154         }
1155
1156 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1157                         unsigned long chtype)
1158         {
1159         int ret=0,i;
1160         char no_prompt = 0;
1161         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1162         char *tmp, *dn_sect,*attr_sect;
1163
1164         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1165         if (tmp == NULL)
1166                 ERR_clear_error();
1167         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1168
1169         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1170         if (dn_sect == NULL)
1171                 {
1172                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1173                         DISTINGUISHED_NAME);
1174                 goto err;
1175                 }
1176         dn_sk=NCONF_get_section(req_conf,dn_sect);
1177         if (dn_sk == NULL)
1178                 {
1179                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1180                 goto err;
1181                 }
1182
1183         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1184         if (attr_sect == NULL)
1185                 {
1186                 ERR_clear_error();              
1187                 attr_sk=NULL;
1188                 }
1189         else
1190                 {
1191                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1192                 if (attr_sk == NULL)
1193                         {
1194                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1195                         goto err;
1196                         }
1197                 }
1198
1199         /* setup version number */
1200         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1201
1202         if (no_prompt) 
1203                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1204         else 
1205                 {
1206                 if (subj)
1207                         i = build_subject(req, subj, chtype);
1208                 else
1209                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1210                 }
1211         if(!i) goto err;
1212
1213         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1214
1215         ret=1;
1216 err:
1217         return(ret);
1218         }
1219
1220 /*
1221  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1222  * where characters may be escaped by \
1223  */
1224 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1225         {
1226         X509_NAME *n;
1227
1228         if (!(n = do_subject(subject, chtype)))
1229                 return 0;
1230
1231         if (!X509_REQ_set_subject_name(req, n))
1232                 {
1233                 X509_NAME_free(n);
1234                 return 0;
1235                 }
1236         X509_NAME_free(n);
1237         return 1;
1238 }
1239
1240
1241 static int prompt_info(X509_REQ *req,
1242                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1243                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1244                 unsigned long chtype)
1245         {
1246         int i;
1247         char *p,*q;
1248         char buf[100];
1249         int nid;
1250         long n_min,n_max;
1251         char *type,*def,*value;
1252         CONF_VALUE *v;
1253         X509_NAME *subj;
1254         subj = X509_REQ_get_subject_name(req);
1255
1256         if(!batch)
1257                 {
1258                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1259                 BIO_printf(bio_err,"into your certificate request.\n");
1260                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1261                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1262                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1263                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1264                 BIO_printf(bio_err,"-----\n");
1265                 }
1266
1267
1268         if (sk_CONF_VALUE_num(dn_sk))
1269                 {
1270                 i= -1;
1271 start:          for (;;)
1272                         {
1273                         i++;
1274                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1275
1276                         v=sk_CONF_VALUE_value(dn_sk,i);
1277                         p=q=NULL;
1278                         type=v->name;
1279                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1280                                 !check_end(type,"_default") ||
1281                                          !check_end(type,"_value")) continue;
1282                         /* Skip past any leading X. X: X, etc to allow for
1283                          * multiple instances 
1284                          */
1285                         for(p = v->name; *p ; p++) 
1286                                 if ((*p == ':') || (*p == ',') ||
1287                                                          (*p == '.')) {
1288                                         p++;
1289                                         if(*p) type = p;
1290                                         break;
1291                                 }
1292                         /* If OBJ not recognised ignore it */
1293                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1294                         sprintf(buf,"%s_default",v->name);
1295                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1296                                 {
1297                                 ERR_clear_error();
1298                                 def="";
1299                                 }
1300                                 
1301                         sprintf(buf,"%s_value",v->name);
1302                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1303                                 {
1304                                 ERR_clear_error();
1305                                 value=NULL;
1306                                 }
1307
1308                         sprintf(buf,"%s_min",v->name);
1309                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1310                                 n_min = -1;
1311
1312                         sprintf(buf,"%s_max",v->name);
1313                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1314                                 n_max = -1;
1315
1316                         if (!add_DN_object(subj,v->value,def,value,nid,
1317                                 n_min,n_max, chtype))
1318                                 return 0;
1319                         }
1320                 if (X509_NAME_entry_count(subj) == 0)
1321                         {
1322                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1323                         return 0;
1324                         }
1325
1326                 if (attribs)
1327                         {
1328                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1329                                 {
1330                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1331                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1332                                 }
1333
1334                         i= -1;
1335 start2:                 for (;;)
1336                                 {
1337                                 i++;
1338                                 if ((attr_sk == NULL) ||
1339                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1340                                         break;
1341
1342                                 v=sk_CONF_VALUE_value(attr_sk,i);
1343                                 type=v->name;
1344                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1345                                         goto start2;
1346
1347                                 sprintf(buf,"%s_default",type);
1348                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1349                                         == NULL)
1350                                         {
1351                                         ERR_clear_error();
1352                                         def="";
1353                                         }
1354                                 
1355                                 
1356                                 sprintf(buf,"%s_value",type);
1357                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1358                                         == NULL)
1359                                         {
1360                                         ERR_clear_error();
1361                                         value=NULL;
1362                                         }
1363
1364                                 sprintf(buf,"%s_min",type);
1365                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1366                                         n_min = -1;
1367
1368                                 sprintf(buf,"%s_max",type);
1369                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1370                                         n_max = -1;
1371
1372                                 if (!add_attribute_object(req,
1373                                         v->value,def,value,nid,n_min,n_max, chtype))
1374                                         return 0;
1375                                 }
1376                         }
1377                 }
1378         else
1379                 {
1380                 BIO_printf(bio_err,"No template, please set one up.\n");
1381                 return 0;
1382                 }
1383
1384         return 1;
1385
1386         }
1387
1388 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1389                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1390         {
1391         int i;
1392         char *p,*q;
1393         char *type;
1394         CONF_VALUE *v;
1395         X509_NAME *subj;
1396
1397         subj = X509_REQ_get_subject_name(req);
1398
1399         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1400                 {
1401                 v=sk_CONF_VALUE_value(dn_sk,i);
1402                 p=q=NULL;
1403                 type=v->name;
1404                 /* Skip past any leading X. X: X, etc to allow for
1405                  * multiple instances 
1406                  */
1407                 for(p = v->name; *p ; p++) 
1408 #ifndef CHARSET_EBCDIC
1409                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1410 #else
1411                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1412 #endif
1413                                 p++;
1414                                 if(*p) type = p;
1415                                 break;
1416                         }
1417                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1418                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1419
1420                 }
1421
1422                 if (!X509_NAME_entry_count(subj))
1423                         {
1424                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1425                         return 0;
1426                         }
1427                 if (attribs)
1428                         {
1429                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1430                                 {
1431                                 v=sk_CONF_VALUE_value(attr_sk,i);
1432                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1433                                         (unsigned char *)v->value, -1)) return 0;
1434                                 }
1435                         }
1436         return 1;
1437         }
1438
1439
1440 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1441              int nid, int n_min, int n_max, unsigned long chtype)
1442         {
1443         int i,ret=0;
1444         MS_STATIC char buf[1024];
1445 start:
1446         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1447         (void)BIO_flush(bio_err);
1448         if(value != NULL)
1449                 {
1450                 strcpy(buf,value);
1451                 strcat(buf,"\n");
1452                 BIO_printf(bio_err,"%s\n",value);
1453                 }
1454         else
1455                 {
1456                 buf[0]='\0';
1457                 if (!batch)
1458                         {
1459                         fgets(buf,1024,stdin);
1460                         }
1461                 else
1462                         {
1463                         buf[0] = '\n';
1464                         buf[1] = '\0';
1465                         }
1466                 }
1467
1468         if (buf[0] == '\0') return(0);
1469         else if (buf[0] == '\n')
1470                 {
1471                 if ((def == NULL) || (def[0] == '\0'))
1472                         return(1);
1473                 strcpy(buf,def);
1474                 strcat(buf,"\n");
1475                 }
1476         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1477
1478         i=strlen(buf);
1479         if (buf[i-1] != '\n')
1480                 {
1481                 BIO_printf(bio_err,"weird input :-(\n");
1482                 return(0);
1483                 }
1484         buf[--i]='\0';
1485 #ifdef CHARSET_EBCDIC
1486         ebcdic2ascii(buf, buf, i);
1487 #endif
1488         if(!req_check_len(i, n_min, n_max)) goto start;
1489         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1490                                 (unsigned char *) buf, -1,-1,0)) goto err;
1491         ret=1;
1492 err:
1493         return(ret);
1494         }
1495
1496 static int add_attribute_object(X509_REQ *req, char *text,
1497                                 char *def, char *value, int nid, int n_min,
1498                                 int n_max, unsigned long chtype)
1499         {
1500         int i;
1501         static char buf[1024];
1502
1503 start:
1504         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1505         (void)BIO_flush(bio_err);
1506         if (value != NULL)
1507                 {
1508                 strcpy(buf,value);
1509                 strcat(buf,"\n");
1510                 BIO_printf(bio_err,"%s\n",value);
1511                 }
1512         else
1513                 {
1514                 buf[0]='\0';
1515                 if (!batch)
1516                         {
1517                         fgets(buf,1024,stdin);
1518                         }
1519                 else
1520                         {
1521                         buf[0] = '\n';
1522                         buf[1] = '\0';
1523                         }
1524                 }
1525
1526         if (buf[0] == '\0') return(0);
1527         else if (buf[0] == '\n')
1528                 {
1529                 if ((def == NULL) || (def[0] == '\0'))
1530                         return(1);
1531                 strcpy(buf,def);
1532                 strcat(buf,"\n");
1533                 }
1534         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1535
1536         i=strlen(buf);
1537         if (buf[i-1] != '\n')
1538                 {
1539                 BIO_printf(bio_err,"weird input :-(\n");
1540                 return(0);
1541                 }
1542         buf[--i]='\0';
1543 #ifdef CHARSET_EBCDIC
1544         ebcdic2ascii(buf, buf, i);
1545 #endif
1546         if(!req_check_len(i, n_min, n_max)) goto start;
1547
1548         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1549                                         (unsigned char *)buf, -1)) {
1550                 BIO_printf(bio_err, "Error adding attribute\n");
1551                 ERR_print_errors(bio_err);
1552                 goto err;
1553         }
1554
1555         return(1);
1556 err:
1557         return(0);
1558         }
1559
1560 #ifndef OPENSSL_NO_RSA
1561 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1562         {
1563         char c='*';
1564
1565         if (p == 0) c='.';
1566         if (p == 1) c='+';
1567         if (p == 2) c='*';
1568         if (p == 3) c='\n';
1569         BIO_write((BIO *)arg,&c,1);
1570         (void)BIO_flush((BIO *)arg);
1571 #ifdef LINT
1572         p=n;
1573 #endif
1574         }
1575 #endif
1576
1577 static int req_check_len(int len, int n_min, int n_max)
1578         {
1579         if ((n_min > 0) && (len < n_min))
1580                 {
1581                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1582                 return(0);
1583                 }
1584         if ((n_max >= 0) && (len > n_max))
1585                 {
1586                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1587                 return(0);
1588                 }
1589         return(1);
1590         }
1591
1592 /* Check if the end of a string matches 'end' */
1593 static int check_end(char *str, char *end)
1594 {
1595         int elen, slen; 
1596         char *tmp;
1597         elen = strlen(end);
1598         slen = strlen(str);
1599         if(elen > slen) return 1;
1600         tmp = str + slen - elen;
1601         return strcmp(tmp, end);
1602 }