New functions and option to use NEW in certificate requests.
[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 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
88 #define DEFAULT_KEY_LENGTH      512
89 #define MIN_KEY_LENGTH          384
90
91 #undef PROG
92 #define PROG    req_main
93
94 /* -inform arg  - input format - default PEM (DER or PEM)
95  * -outform arg - output format - default PEM
96  * -in arg      - input file - default stdin
97  * -out arg     - output file - default stdout
98  * -verify      - check request signature
99  * -noout       - don't print stuff out.
100  * -text        - print out human readable text.
101  * -nodes       - no des encryption
102  * -config file - Load configuration file.
103  * -key file    - make a request using key in file (or use it for verification).
104  * -keyform     - key file format.
105  * -newkey      - make a key and a request.
106  * -modulus     - print RSA modulus.
107  * -x509        - output a self signed X509 structure instead.
108  * -asn1-kludge - output new certificate request in a format that some CA's
109  *                require.  This format is wrong
110  */
111
112 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
113 static int prompt_info(X509_REQ *req,
114                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
115                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs);
116 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
117                                 STACK_OF(CONF_VALUE) *attr, int attribs);
118 static int add_attribute_object(X509_REQ *req, char *text,
119                                 char *def, char *value, int nid, int min,
120                                 int max);
121 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
122         int nid,int min,int max);
123 #ifndef NO_RSA
124 static void MS_CALLBACK req_cb(int p,int n,void *arg);
125 #endif
126 static int req_check_len(int len,int min,int max);
127 static int check_end(char *str, char *end);
128 static int add_oid_section(LHASH *conf);
129 #ifndef MONOLITH
130 static char *default_config_file=NULL;
131 static LHASH *config=NULL;
132 #endif
133 static LHASH *req_conf=NULL;
134
135 #define TYPE_RSA        1
136 #define TYPE_DSA        2
137 #define TYPE_DH         3
138
139 int MAIN(int, char **);
140
141 int MAIN(int argc, char **argv)
142         {
143 #ifndef NO_DSA
144         DSA *dsa_params=NULL;
145 #endif
146         int ex=1,x509=0,days=30;
147         X509 *x509ss=NULL;
148         X509_REQ *req=NULL;
149         EVP_PKEY *pkey=NULL;
150         int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
151         BIO *in=NULL,*out=NULL;
152         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
153         int nodes=0,kludge=0,newhdr=0;
154         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
155         char *extensions = NULL;
156         char *req_exts = NULL;
157         EVP_CIPHER *cipher=NULL;
158         int modulus=0;
159         char *passargin = NULL, *passargout = NULL;
160         char *passin = NULL, *passout = NULL;
161         char *p;
162         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
163 #ifndef MONOLITH
164         MS_STATIC char config_name[256];
165 #endif
166
167         req_conf = NULL;
168 #ifndef NO_DES
169         cipher=EVP_des_ede3_cbc();
170 #endif
171         apps_startup();
172
173         if (bio_err == NULL)
174                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
175                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
176
177         infile=NULL;
178         outfile=NULL;
179         informat=FORMAT_PEM;
180         outformat=FORMAT_PEM;
181
182         prog=argv[0];
183         argc--;
184         argv++;
185         while (argc >= 1)
186                 {
187                 if      (strcmp(*argv,"-inform") == 0)
188                         {
189                         if (--argc < 1) goto bad;
190                         informat=str2fmt(*(++argv));
191                         }
192                 else if (strcmp(*argv,"-outform") == 0)
193                         {
194                         if (--argc < 1) goto bad;
195                         outformat=str2fmt(*(++argv));
196                         }
197                 else if (strcmp(*argv,"-key") == 0)
198                         {
199                         if (--argc < 1) goto bad;
200                         keyfile= *(++argv);
201                         }
202                 else if (strcmp(*argv,"-new") == 0)
203                         {
204                         pkey_type=TYPE_RSA;
205                         newreq=1;
206                         }
207                 else if (strcmp(*argv,"-config") == 0)
208                         {       
209                         if (--argc < 1) goto bad;
210                         template= *(++argv);
211                         }
212                 else if (strcmp(*argv,"-keyform") == 0)
213                         {
214                         if (--argc < 1) goto bad;
215                         keyform=str2fmt(*(++argv));
216                         }
217                 else if (strcmp(*argv,"-in") == 0)
218                         {
219                         if (--argc < 1) goto bad;
220                         infile= *(++argv);
221                         }
222                 else if (strcmp(*argv,"-out") == 0)
223                         {
224                         if (--argc < 1) goto bad;
225                         outfile= *(++argv);
226                         }
227                 else if (strcmp(*argv,"-keyout") == 0)
228                         {
229                         if (--argc < 1) goto bad;
230                         keyout= *(++argv);
231                         }
232                 else if (strcmp(*argv,"-passin") == 0)
233                         {
234                         if (--argc < 1) goto bad;
235                         passargin= *(++argv);
236                         }
237                 else if (strcmp(*argv,"-passout") == 0)
238                         {
239                         if (--argc < 1) goto bad;
240                         passargout= *(++argv);
241                         }
242                 else if (strcmp(*argv,"-newkey") == 0)
243                         {
244                         int is_numeric;
245
246                         if (--argc < 1) goto bad;
247                         p= *(++argv);
248                         is_numeric = p[0] >= '0' && p[0] <= '9';
249                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
250                                 {
251                                 pkey_type=TYPE_RSA;
252                                 if(!is_numeric)
253                                     p+=4;
254                                 newkey= atoi(p);
255                                 }
256                         else
257 #ifndef NO_DSA
258                                 if (strncmp("dsa:",p,4) == 0)
259                                 {
260                                 X509 *xtmp=NULL;
261                                 EVP_PKEY *dtmp;
262
263                                 pkey_type=TYPE_DSA;
264                                 p+=4;
265                                 if ((in=BIO_new_file(p,"r")) == NULL)
266                                         {
267                                         perror(p);
268                                         goto end;
269                                         }
270                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
271                                         {
272                                         ERR_clear_error();
273                                         (void)BIO_reset(in);
274                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
275                                                 {
276                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
277                                                 goto end;
278                                                 }
279
280                                         dtmp=X509_get_pubkey(xtmp);
281                                         if (dtmp->type == EVP_PKEY_DSA)
282                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
283                                         EVP_PKEY_free(dtmp);
284                                         X509_free(xtmp);
285                                         if (dsa_params == NULL)
286                                                 {
287                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
288                                                 goto end;
289                                                 }
290                                         }
291                                 BIO_free(in);
292                                 newkey=BN_num_bits(dsa_params->p);
293                                 in=NULL;
294                                 }
295                         else 
296 #endif
297 #ifndef NO_DH
298                                 if (strncmp("dh:",p,4) == 0)
299                                 {
300                                 pkey_type=TYPE_DH;
301                                 p+=3;
302                                 }
303                         else
304 #endif
305                                 pkey_type=TYPE_RSA;
306
307                         newreq=1;
308                         }
309                 else if (strcmp(*argv,"-newhdr") == 0)
310                         newhdr=1;
311                 else if (strcmp(*argv,"-modulus") == 0)
312                         modulus=1;
313                 else if (strcmp(*argv,"-verify") == 0)
314                         verify=1;
315                 else if (strcmp(*argv,"-nodes") == 0)
316                         nodes=1;
317                 else if (strcmp(*argv,"-noout") == 0)
318                         noout=1;
319                 else if (strcmp(*argv,"-text") == 0)
320                         text=1;
321                 else if (strcmp(*argv,"-x509") == 0)
322                         x509=1;
323                 else if (strcmp(*argv,"-asn1-kludge") == 0)
324                         kludge=1;
325                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
326                         kludge=0;
327                 else if (strcmp(*argv,"-days") == 0)
328                         {
329                         if (--argc < 1) goto bad;
330                         days= atoi(*(++argv));
331                         if (days == 0) days=30;
332                         }
333                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
334                         {
335                         /* ok */
336                         digest=md_alg;
337                         }
338                 else if (strcmp(*argv,"-extensions") == 0)
339                         {
340                         if (--argc < 1) goto bad;
341                         extensions = *(++argv);
342                         }
343                 else if (strcmp(*argv,"-reqexts") == 0)
344                         {
345                         if (--argc < 1) goto bad;
346                         req_exts = *(++argv);
347                         }
348                 else
349                         {
350                         BIO_printf(bio_err,"unknown option %s\n",*argv);
351                         badops=1;
352                         break;
353                         }
354                 argc--;
355                 argv++;
356                 }
357
358         if (badops)
359                 {
360 bad:
361                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
362                 BIO_printf(bio_err,"where options  are\n");
363                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
364                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
365                 BIO_printf(bio_err," -in arg        input file\n");
366                 BIO_printf(bio_err," -out arg       output file\n");
367                 BIO_printf(bio_err," -text          text form of request\n");
368                 BIO_printf(bio_err," -noout         do not output REQ\n");
369                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
370                 BIO_printf(bio_err," -modulus       RSA modulus\n");
371                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
372                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
373                 BIO_printf(bio_err," -keyform arg   key file format\n");
374                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
375                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
376                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
377
378                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
379                 BIO_printf(bio_err," -config file   request template file.\n");
380                 BIO_printf(bio_err," -new           new request.\n");
381                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
382                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
383                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
384                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
385                 BIO_printf(bio_err,"                have been reported as requiring\n");
386                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
387                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
388                 goto end;
389                 }
390
391         ERR_load_crypto_strings();
392         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
393                 BIO_printf(bio_err, "Error getting passwords\n");
394                 goto end;
395         }
396
397 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
398         /* Lets load up our environment a little */
399         p=getenv("OPENSSL_CONF");
400         if (p == NULL)
401                 p=getenv("SSLEAY_CONF");
402         if (p == NULL)
403                 {
404                 strcpy(config_name,X509_get_default_cert_area());
405 #ifndef VMS
406                 strcat(config_name,"/");
407 #endif
408                 strcat(config_name,OPENSSL_CONF);
409                 p=config_name;
410                 }
411         default_config_file=p;
412         config=CONF_load(config,p,NULL);
413 #endif
414
415         if (template != NULL)
416                 {
417                 long errline;
418
419                 BIO_printf(bio_err,"Using configuration from %s\n",template);
420                 req_conf=CONF_load(NULL,template,&errline);
421                 if (req_conf == NULL)
422                         {
423                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
424                         goto end;
425                         }
426                 }
427         else
428                 {
429                 req_conf=config;
430                 BIO_printf(bio_err,"Using configuration from %s\n",
431                         default_config_file);
432                 if (req_conf == NULL)
433                         {
434                         BIO_printf(bio_err,"Unable to load config info\n");
435                         }
436                 }
437
438         if (req_conf != NULL)
439                 {
440                 p=CONF_get_string(req_conf,NULL,"oid_file");
441                 if (p != NULL)
442                         {
443                         BIO *oid_bio;
444
445                         oid_bio=BIO_new_file(p,"r");
446                         if (oid_bio == NULL) 
447                                 {
448                                 /*
449                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
450                                 ERR_print_errors(bio_err);
451                                 */
452                                 }
453                         else
454                                 {
455                                 OBJ_create_objects(oid_bio);
456                                 BIO_free(oid_bio);
457                                 }
458                         }
459                 }
460                 if(!add_oid_section(req_conf)) goto end;
461
462         if ((md_alg == NULL) &&
463                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
464                 {
465                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
466                         digest=md_alg;
467                 }
468
469         if(!extensions)
470                 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
471         if(extensions) {
472                 /* Check syntax of file */
473                 X509V3_CTX ctx;
474                 X509V3_set_ctx_test(&ctx);
475                 X509V3_set_conf_lhash(&ctx, req_conf);
476                 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
477                         BIO_printf(bio_err,
478                          "Error Loading extension section %s\n", extensions);
479                         goto end;
480                 }
481         }
482
483         if(!passin)
484                 passin = CONF_get_string(req_conf, SECTION, "input_password");
485
486         if(!passout)
487                 passout = CONF_get_string(req_conf, SECTION, "output_password");
488
489         p = CONF_get_string(req_conf, SECTION, STRING_MASK);
490
491         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
492                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
493                 goto end;
494         }
495
496         if(!req_exts)
497                 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
498         if(req_exts) {
499                 /* Check syntax of file */
500                 X509V3_CTX ctx;
501                 X509V3_set_ctx_test(&ctx);
502                 X509V3_set_conf_lhash(&ctx, req_conf);
503                 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
504                         BIO_printf(bio_err,
505                          "Error Loading request extension section %s\n",
506                                                                 req_exts);
507                         goto end;
508                 }
509         }
510
511         in=BIO_new(BIO_s_file());
512         out=BIO_new(BIO_s_file());
513         if ((in == NULL) || (out == NULL))
514                 goto end;
515
516         if (keyfile != NULL)
517                 {
518                 if (BIO_read_filename(in,keyfile) <= 0)
519                         {
520                         perror(keyfile);
521                         goto end;
522                         }
523
524                 if (keyform == FORMAT_ASN1)
525                         pkey=d2i_PrivateKey_bio(in,NULL);
526                 else if (keyform == FORMAT_PEM)
527                         {
528                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,passin);
529                         }
530                 else
531                         {
532                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
533                         goto end;
534                         }
535
536                 if (pkey == NULL)
537                         {
538                         BIO_printf(bio_err,"unable to load Private key\n");
539                         goto end;
540                         }
541                 }
542
543         if (newreq && (pkey == NULL))
544                 {
545                 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
546                 app_RAND_load_file(randfile, bio_err, 0);
547         
548                 if (newkey <= 0)
549                         {
550                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
551                         if (newkey <= 0)
552                                 newkey=DEFAULT_KEY_LENGTH;
553                         }
554
555                 if (newkey < MIN_KEY_LENGTH)
556                         {
557                         BIO_printf(bio_err,"private key length is too short,\n");
558                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
559                         goto end;
560                         }
561                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
562                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
563
564                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
565
566 #ifndef NO_RSA
567                 if (pkey_type == TYPE_RSA)
568                         {
569                         if (!EVP_PKEY_assign_RSA(pkey,
570                                 RSA_generate_key(newkey,0x10001,
571                                         req_cb,bio_err)))
572                                 goto end;
573                         }
574                 else
575 #endif
576 #ifndef NO_DSA
577                         if (pkey_type == TYPE_DSA)
578                         {
579                         if (!DSA_generate_key(dsa_params)) goto end;
580                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
581                         dsa_params=NULL;
582                         }
583 #endif
584
585                 app_RAND_write_file(randfile, bio_err);
586
587                 if (pkey == NULL) goto end;
588
589                 if (keyout == NULL)
590                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
591
592                 if (keyout == NULL)
593                         {
594                         BIO_printf(bio_err,"writing new private key to stdout\n");
595                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
596                         }
597                 else
598                         {
599                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
600                         if (BIO_write_filename(out,keyout) <= 0)
601                                 {
602                                 perror(keyout);
603                                 goto end;
604                                 }
605                         }
606
607                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
608                 if (p == NULL)
609                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
610                 if ((p != NULL) && (strcmp(p,"no") == 0))
611                         cipher=NULL;
612                 if (nodes) cipher=NULL;
613                 
614                 i=0;
615 loop:
616                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
617                         NULL,0,NULL,passout))
618                         {
619                         if ((ERR_GET_REASON(ERR_peek_error()) ==
620                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
621                                 {
622                                 ERR_clear_error();
623                                 i++;
624                                 goto loop;
625                                 }
626                         goto end;
627                         }
628                 BIO_printf(bio_err,"-----\n");
629                 }
630
631         if (!newreq)
632                 {
633                 /* Since we are using a pre-existing certificate
634                  * request, the kludge 'format' info should not be
635                  * changed. */
636                 kludge= -1;
637                 if (infile == NULL)
638                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
639                 else
640                         {
641                         if (BIO_read_filename(in,infile) <= 0)
642                                 {
643                                 perror(infile);
644                                 goto end;
645                                 }
646                         }
647
648                 if      (informat == FORMAT_ASN1)
649                         req=d2i_X509_REQ_bio(in,NULL);
650                 else if (informat == FORMAT_PEM)
651                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
652                 else
653                         {
654                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
655                         goto end;
656                         }
657                 if (req == NULL)
658                         {
659                         BIO_printf(bio_err,"unable to load X509 request\n");
660                         goto end;
661                         }
662                 }
663
664         if (newreq || x509)
665                 {
666 #ifndef NO_DSA
667                 if (pkey->type == EVP_PKEY_DSA)
668                         digest=EVP_dss1();
669 #endif
670
671                 if (pkey == NULL)
672                         {
673                         BIO_printf(bio_err,"you need to specify a private key\n");
674                         goto end;
675                         }
676                 if (req == NULL)
677                         {
678                         req=X509_REQ_new();
679                         if (req == NULL)
680                                 {
681                                 goto end;
682                                 }
683
684                         i=make_REQ(req,pkey,!x509);
685                         if (kludge >= 0)
686                                 req->req_info->req_kludge=kludge;
687                         if (!i)
688                                 {
689                                 BIO_printf(bio_err,"problems making Certificate Request\n");
690                                 goto end;
691                                 }
692                         }
693                 if (x509)
694                         {
695                         EVP_PKEY *tmppkey;
696                         X509V3_CTX ext_ctx;
697                         if ((x509ss=X509_new()) == NULL) goto end;
698
699                         /* Set version to V3 */
700                         if(!X509_set_version(x509ss, 2)) goto end;
701                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
702
703                         X509_set_issuer_name(x509ss,
704                                 X509_REQ_get_subject_name(req));
705                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
706                         X509_gmtime_adj(X509_get_notAfter(x509ss),
707                                 (long)60*60*24*days);
708                         X509_set_subject_name(x509ss,
709                                 X509_REQ_get_subject_name(req));
710                         tmppkey = X509_REQ_get_pubkey(req);
711                         X509_set_pubkey(x509ss,tmppkey);
712                         EVP_PKEY_free(tmppkey);
713
714                         /* Set up V3 context struct */
715
716                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
717                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
718
719                         /* Add extensions */
720                         if(extensions && !X509V3_EXT_add_conf(req_conf, 
721                                         &ext_ctx, extensions, x509ss))
722                             {
723                             BIO_printf(bio_err,
724                                        "Error Loading extension section %s\n",
725                                        extensions);
726                             goto end;
727                             }
728
729                         if (!(i=X509_sign(x509ss,pkey,digest)))
730                                 goto end;
731                         }
732                 else
733                         {
734                         X509V3_CTX ext_ctx;
735
736                         /* Set up V3 context struct */
737
738                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
739                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
740
741                         /* Add extensions */
742                         if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf, 
743                                         &ext_ctx, req_exts, req))
744                             {
745                             BIO_printf(bio_err,
746                                        "Error Loading extension section %s\n",
747                                        req_exts);
748                             goto end;
749                             }
750                         if (!(i=X509_REQ_sign(req,pkey,digest)))
751                                 goto end;
752                         }
753                 }
754
755         if (verify && !x509)
756                 {
757                 int tmp=0;
758
759                 if (pkey == NULL)
760                         {
761                         pkey=X509_REQ_get_pubkey(req);
762                         tmp=1;
763                         if (pkey == NULL) goto end;
764                         }
765
766                 i=X509_REQ_verify(req,pkey);
767                 if (tmp) {
768                         EVP_PKEY_free(pkey);
769                         pkey=NULL;
770                 }
771
772                 if (i < 0)
773                         {
774                         goto end;
775                         }
776                 else if (i == 0)
777                         {
778                         BIO_printf(bio_err,"verify failure\n");
779                         }
780                 else /* if (i > 0) */
781                         BIO_printf(bio_err,"verify OK\n");
782                 }
783
784         if (noout && !text && !modulus)
785                 {
786                 ex=0;
787                 goto end;
788                 }
789
790         if (outfile == NULL)
791                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
792         else
793                 {
794                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
795                         i=(int)BIO_append_filename(out,outfile);
796                 else
797                         i=(int)BIO_write_filename(out,outfile);
798                 if (!i)
799                         {
800                         perror(outfile);
801                         goto end;
802                         }
803                 }
804
805         if (text)
806                 {
807                 if (x509)
808                         X509_print(out,x509ss);
809                 else    
810                         X509_REQ_print(out,req);
811                 }
812
813         if (modulus)
814                 {
815                 EVP_PKEY *pubkey;
816
817                 if (x509)
818                         pubkey=X509_get_pubkey(x509ss);
819                 else
820                         pubkey=X509_REQ_get_pubkey(req);
821                 if (pubkey == NULL)
822                         {
823                         fprintf(stdout,"Modulus=unavailable\n");
824                         goto end; 
825                         }
826                 fprintf(stdout,"Modulus=");
827 #ifndef NO_RSA
828                 if (pubkey->type == EVP_PKEY_RSA)
829                         BN_print(out,pubkey->pkey.rsa->n);
830                 else
831 #endif
832                         fprintf(stdout,"Wrong Algorithm type");
833                 fprintf(stdout,"\n");
834                 }
835
836         if (!noout && !x509)
837                 {
838                 if      (outformat == FORMAT_ASN1)
839                         i=i2d_X509_REQ_bio(out,req);
840                 else if (outformat == FORMAT_PEM) {
841                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
842                         else i=PEM_write_bio_X509_REQ(out,req);
843                 } else {
844                         BIO_printf(bio_err,"bad output format specified for outfile\n");
845                         goto end;
846                         }
847                 if (!i)
848                         {
849                         BIO_printf(bio_err,"unable to write X509 request\n");
850                         goto end;
851                         }
852                 }
853         if (!noout && x509 && (x509ss != NULL))
854                 {
855                 if      (outformat == FORMAT_ASN1)
856                         i=i2d_X509_bio(out,x509ss);
857                 else if (outformat == FORMAT_PEM)
858                         i=PEM_write_bio_X509(out,x509ss);
859                 else    {
860                         BIO_printf(bio_err,"bad output format specified for outfile\n");
861                         goto end;
862                         }
863                 if (!i)
864                         {
865                         BIO_printf(bio_err,"unable to write X509 certificate\n");
866                         goto end;
867                         }
868                 }
869         ex=0;
870 end:
871         if (ex)
872                 {
873                 ERR_print_errors(bio_err);
874                 }
875         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
876         BIO_free(in);
877         BIO_free(out);
878         EVP_PKEY_free(pkey);
879         X509_REQ_free(req);
880         X509_free(x509ss);
881         if(passin) Free(passin);
882         if(passout) Free(passout);
883         OBJ_cleanup();
884 #ifndef NO_DSA
885         if (dsa_params != NULL) DSA_free(dsa_params);
886 #endif
887         EXIT(ex);
888         }
889
890 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
891         {
892         int ret=0,i;
893         char no_prompt = 0;
894         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
895         char *tmp, *dn_sect,*attr_sect;
896
897         tmp=CONF_get_string(req_conf,SECTION,PROMPT);
898         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
899
900         dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
901         if (dn_sect == NULL)
902                 {
903                 BIO_printf(bio_err,"unable to find '%s' in config\n",
904                         DISTINGUISHED_NAME);
905                 goto err;
906                 }
907         dn_sk=CONF_get_section(req_conf,dn_sect);
908         if (dn_sk == NULL)
909                 {
910                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
911                 goto err;
912                 }
913
914         attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
915         if (attr_sect == NULL)
916                 attr_sk=NULL;
917         else
918                 {
919                 attr_sk=CONF_get_section(req_conf,attr_sect);
920                 if (attr_sk == NULL)
921                         {
922                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
923                         goto err;
924                         }
925                 }
926
927         /* setup version number */
928         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
929
930         if(no_prompt) i = auto_info(req, dn_sk, attr_sk, attribs);
931         else i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs);
932         if(!i) goto err;
933
934         X509_REQ_set_pubkey(req,pkey);
935
936         ret=1;
937 err:
938         return(ret);
939         }
940
941
942 static int prompt_info(X509_REQ *req,
943                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
944                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs)
945         {
946         int i;
947         char *p,*q;
948         char buf[100];
949         int nid,min,max;
950         char *type,*def,*value;
951         CONF_VALUE *v;
952         X509_NAME *subj;
953         subj = X509_REQ_get_subject_name(req);
954         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
955         BIO_printf(bio_err,"into your certificate request.\n");
956         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
957         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
958         BIO_printf(bio_err,"For some fields there will be a default value,\n");
959         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
960         BIO_printf(bio_err,"-----\n");
961
962
963         if (sk_CONF_VALUE_num(dn_sk))
964                 {
965                 i= -1;
966 start:          for (;;)
967                         {
968                         i++;
969                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
970
971                         v=sk_CONF_VALUE_value(dn_sk,i);
972                         p=q=NULL;
973                         type=v->name;
974                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
975                                 !check_end(type,"_default") ||
976                                          !check_end(type,"_value")) continue;
977                         /* Skip past any leading X. X: X, etc to allow for
978                          * multiple instances 
979                          */
980                         for(p = v->name; *p ; p++) 
981                                 if ((*p == ':') || (*p == ',') ||
982                                                          (*p == '.')) {
983                                         p++;
984                                         if(*p) type = p;
985                                         break;
986                                 }
987                         /* If OBJ not recognised ignore it */
988                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
989                         sprintf(buf,"%s_default",v->name);
990                         if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
991                                 def="";
992                                 
993                         sprintf(buf,"%s_value",v->name);
994                         if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
995                                 value=NULL;
996
997                         sprintf(buf,"%s_min",v->name);
998                         min=(int)CONF_get_number(req_conf,dn_sect,buf);
999
1000                         sprintf(buf,"%s_max",v->name);
1001                         max=(int)CONF_get_number(req_conf,dn_sect,buf);
1002
1003                         if (!add_DN_object(subj,v->value,def,value,nid,
1004                                 min,max))
1005                                 return 0;
1006                         }
1007                 if (X509_NAME_entry_count(subj) == 0)
1008                         {
1009                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1010                         return 0;
1011                         }
1012
1013                 if (attribs)
1014                         {
1015                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0))
1016                                 {
1017                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1018                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1019                                 }
1020
1021                         i= -1;
1022 start2:                 for (;;)
1023                                 {
1024                                 i++;
1025                                 if ((attr_sk == NULL) ||
1026                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1027                                         break;
1028
1029                                 v=sk_CONF_VALUE_value(attr_sk,i);
1030                                 type=v->name;
1031                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1032                                         goto start2;
1033
1034                                 sprintf(buf,"%s_default",type);
1035                                 if ((def=CONF_get_string(req_conf,attr_sect,buf))
1036                                         == NULL)
1037                                         def="";
1038                                 
1039                                 sprintf(buf,"%s_value",type);
1040                                 if ((value=CONF_get_string(req_conf,attr_sect,buf))
1041                                         == NULL)
1042                                         value=NULL;
1043
1044                                 sprintf(buf,"%s_min",type);
1045                                 min=(int)CONF_get_number(req_conf,attr_sect,buf);
1046
1047                                 sprintf(buf,"%s_max",type);
1048                                 max=(int)CONF_get_number(req_conf,attr_sect,buf);
1049
1050                                 if (!add_attribute_object(req,
1051                                         v->value,def,value,nid,min,max))
1052                                         return 0;
1053                                 }
1054                         }
1055                 }
1056         else
1057                 {
1058                 BIO_printf(bio_err,"No template, please set one up.\n");
1059                 return 0;
1060                 }
1061
1062         return 1;
1063
1064         }
1065
1066 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1067                         STACK_OF(CONF_VALUE) *attr_sk, int attribs)
1068         {
1069         int i;
1070         char *p,*q;
1071         char *type;
1072         CONF_VALUE *v;
1073         X509_NAME *subj;
1074
1075         subj = X509_REQ_get_subject_name(req);
1076
1077         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1078                 {
1079                 v=sk_CONF_VALUE_value(dn_sk,i);
1080                 p=q=NULL;
1081                 type=v->name;
1082                 /* Skip past any leading X. X: X, etc to allow for
1083                  * multiple instances 
1084                  */
1085                 for(p = v->name; *p ; p++) 
1086                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1087                                 p++;
1088                                 if(*p) type = p;
1089                                 break;
1090                         }
1091                 if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC,
1092                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1093
1094                 }
1095
1096                 if (!X509_NAME_entry_count(subj))
1097                         {
1098                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1099                         return 0;
1100                         }
1101                 if (attribs)
1102                         {
1103                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1104                                 {
1105                                 v=sk_CONF_VALUE_value(attr_sk,i);
1106                                 if(!X509_REQ_radd_attr_by_txt(req, v->name, MBSTRING_ASC,
1107                                         (unsigned char *)v->value, -1)) return 0;
1108                                 }
1109                         }
1110         return 1;
1111         }
1112
1113
1114 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1115              int nid, int min, int max)
1116         {
1117         int i,ret=0;
1118         MS_STATIC char buf[1024];
1119 start:
1120         BIO_printf(bio_err,"%s [%s]:",text,def);
1121         (void)BIO_flush(bio_err);
1122         if (value != NULL)
1123                 {
1124                 strcpy(buf,value);
1125                 strcat(buf,"\n");
1126                 BIO_printf(bio_err,"%s\n",value);
1127                 }
1128         else
1129                 {
1130                 buf[0]='\0';
1131                 fgets(buf,1024,stdin);
1132                 }
1133
1134         if (buf[0] == '\0') return(0);
1135         else if (buf[0] == '\n')
1136                 {
1137                 if ((def == NULL) || (def[0] == '\0'))
1138                         return(1);
1139                 strcpy(buf,def);
1140                 strcat(buf,"\n");
1141                 }
1142         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1143
1144         i=strlen(buf);
1145         if (buf[i-1] != '\n')
1146                 {
1147                 BIO_printf(bio_err,"weird input :-(\n");
1148                 return(0);
1149                 }
1150         buf[--i]='\0';
1151
1152 #ifdef CHARSET_EBCDIC
1153         ebcdic2ascii(buf, buf, i);
1154 #endif
1155         if(!req_check_len(i, min, max)) goto start;
1156         if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
1157                                 (unsigned char *) buf, -1,-1,0)) goto err;
1158         ret=1;
1159 err:
1160         return(ret);
1161         }
1162
1163 static int add_attribute_object(X509_REQ *req, char *text,
1164                                 char *def, char *value, int nid, int min,
1165                                 int max)
1166         {
1167         int i;
1168         static char buf[1024];
1169
1170 start:
1171         BIO_printf(bio_err,"%s [%s]:",text,def);
1172         (void)BIO_flush(bio_err);
1173         if (value != NULL)
1174                 {
1175                 strcpy(buf,value);
1176                 strcat(buf,"\n");
1177                 BIO_printf(bio_err,"%s\n",value);
1178                 }
1179         else
1180                 {
1181                 buf[0]='\0';
1182                 fgets(buf,1024,stdin);
1183                 }
1184
1185         if (buf[0] == '\0') return(0);
1186         else if (buf[0] == '\n')
1187                 {
1188                 if ((def == NULL) || (def[0] == '\0'))
1189                         return(1);
1190                 strcpy(buf,def);
1191                 strcat(buf,"\n");
1192                 }
1193         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1194
1195         i=strlen(buf);
1196         if (buf[i-1] != '\n')
1197                 {
1198                 BIO_printf(bio_err,"weird input :-(\n");
1199                 return(0);
1200                 }
1201         buf[--i]='\0';
1202         if(!req_check_len(i, min, max)) goto start;
1203
1204         if(!X509_REQ_radd_attr_by_NID(req, nid, MBSTRING_ASC,
1205                                         (unsigned char *)buf, -1)) {
1206                 BIO_printf(bio_err, "Error adding attribute\n");
1207                 ERR_print_errors(bio_err);
1208                 goto err;
1209         }
1210
1211         return(1);
1212 err:
1213         return(0);
1214         }
1215
1216 #ifndef NO_RSA
1217 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1218         {
1219         char c='*';
1220
1221         if (p == 0) c='.';
1222         if (p == 1) c='+';
1223         if (p == 2) c='*';
1224         if (p == 3) c='\n';
1225         BIO_write((BIO *)arg,&c,1);
1226         (void)BIO_flush((BIO *)arg);
1227 #ifdef LINT
1228         p=n;
1229 #endif
1230         }
1231 #endif
1232
1233 static int req_check_len(int len, int min, int max)
1234         {
1235         if (len < min)
1236                 {
1237                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1238                 return(0);
1239                 }
1240         if ((max != 0) && (len > max))
1241                 {
1242                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1243                 return(0);
1244                 }
1245         return(1);
1246         }
1247
1248 /* Check if the end of a string matches 'end' */
1249 static int check_end(char *str, char *end)
1250 {
1251         int elen, slen; 
1252         char *tmp;
1253         elen = strlen(end);
1254         slen = strlen(str);
1255         if(elen > slen) return 1;
1256         tmp = str + slen - elen;
1257         return strcmp(tmp, end);
1258 }
1259
1260 static int add_oid_section(LHASH *conf)
1261 {       
1262         char *p;
1263         STACK_OF(CONF_VALUE) *sktmp;
1264         CONF_VALUE *cnf;
1265         int i;
1266         if(!(p=CONF_get_string(conf,NULL,"oid_section"))) return 1;
1267         if(!(sktmp = CONF_get_section(conf, p))) {
1268                 BIO_printf(bio_err, "problem loading oid section %s\n", p);
1269                 return 0;
1270         }
1271         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
1272                 cnf = sk_CONF_VALUE_value(sktmp, i);
1273                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
1274                         BIO_printf(bio_err, "problem creating object %s=%s\n",
1275                                                          cnf->name, cnf->value);
1276                         return 0;
1277                 }
1278         }
1279         return 1;
1280 }