Change req so the new parameter '-rand file' uses the given file in
[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  * -rand file(s) - load the file(s) into the PRNG.
106  * -newkey      - make a key and a request.
107  * -modulus     - print RSA modulus.
108  * -x509        - output a self signed X509 structure instead.
109  * -asn1-kludge - output new certificate request in a format that some CA's
110  *                require.  This format is wrong
111  */
112
113 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
114 static int prompt_info(X509_REQ *req,
115                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
116                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs);
117 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
118                                 STACK_OF(CONF_VALUE) *attr, int attribs);
119 static int add_attribute_object(X509_REQ *req, char *text,
120                                 char *def, char *value, int nid, int min,
121                                 int max);
122 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
123         int nid,int min,int max);
124 #ifndef NO_RSA
125 static void MS_CALLBACK req_cb(int p,int n,void *arg);
126 #endif
127 static int req_check_len(int len,int min,int max);
128 static int check_end(char *str, char *end);
129 static int add_oid_section(LHASH *conf);
130 #ifndef MONOLITH
131 static char *default_config_file=NULL;
132 static LHASH *config=NULL;
133 #endif
134 static LHASH *req_conf=NULL;
135
136 #define TYPE_RSA        1
137 #define TYPE_DSA        2
138 #define TYPE_DH         3
139
140 int MAIN(int, char **);
141
142 int MAIN(int argc, char **argv)
143         {
144 #ifndef NO_DSA
145         DSA *dsa_params=NULL;
146 #endif
147         int ex=1,x509=0,days=30;
148         X509 *x509ss=NULL;
149         X509_REQ *req=NULL;
150         EVP_PKEY *pkey=NULL;
151         int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
152         BIO *in=NULL,*out=NULL;
153         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
154         int nodes=0,kludge=0,newhdr=0;
155         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
156         char *extensions = NULL;
157         char *req_exts = NULL;
158         EVP_CIPHER *cipher=NULL;
159         int modulus=0;
160         char *inrand=NULL;
161         char *passargin = NULL, *passargout = NULL;
162         char *passin = NULL, *passout = NULL;
163         char *p;
164         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
165 #ifndef MONOLITH
166         MS_STATIC char config_name[256];
167 #endif
168
169         req_conf = NULL;
170 #ifndef NO_DES
171         cipher=EVP_des_ede3_cbc();
172 #endif
173         apps_startup();
174
175         if (bio_err == NULL)
176                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
177                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
178
179         infile=NULL;
180         outfile=NULL;
181         informat=FORMAT_PEM;
182         outformat=FORMAT_PEM;
183
184         prog=argv[0];
185         argc--;
186         argv++;
187         while (argc >= 1)
188                 {
189                 if      (strcmp(*argv,"-inform") == 0)
190                         {
191                         if (--argc < 1) goto bad;
192                         informat=str2fmt(*(++argv));
193                         }
194                 else if (strcmp(*argv,"-outform") == 0)
195                         {
196                         if (--argc < 1) goto bad;
197                         outformat=str2fmt(*(++argv));
198                         }
199                 else if (strcmp(*argv,"-key") == 0)
200                         {
201                         if (--argc < 1) goto bad;
202                         keyfile= *(++argv);
203                         }
204                 else if (strcmp(*argv,"-new") == 0)
205                         {
206                         pkey_type=TYPE_RSA;
207                         newreq=1;
208                         }
209                 else if (strcmp(*argv,"-config") == 0)
210                         {       
211                         if (--argc < 1) goto bad;
212                         template= *(++argv);
213                         }
214                 else if (strcmp(*argv,"-keyform") == 0)
215                         {
216                         if (--argc < 1) goto bad;
217                         keyform=str2fmt(*(++argv));
218                         }
219                 else if (strcmp(*argv,"-in") == 0)
220                         {
221                         if (--argc < 1) goto bad;
222                         infile= *(++argv);
223                         }
224                 else if (strcmp(*argv,"-out") == 0)
225                         {
226                         if (--argc < 1) goto bad;
227                         outfile= *(++argv);
228                         }
229                 else if (strcmp(*argv,"-keyout") == 0)
230                         {
231                         if (--argc < 1) goto bad;
232                         keyout= *(++argv);
233                         }
234                 else if (strcmp(*argv,"-passin") == 0)
235                         {
236                         if (--argc < 1) goto bad;
237                         passargin= *(++argv);
238                         }
239                 else if (strcmp(*argv,"-passout") == 0)
240                         {
241                         if (--argc < 1) goto bad;
242                         passargout= *(++argv);
243                         }
244                 else if (strcmp(*argv,"-rand") == 0)
245                         {
246                         if (--argc < 1) goto bad;
247                         inrand= *(++argv);
248                         }
249                 else if (strcmp(*argv,"-newkey") == 0)
250                         {
251                         int is_numeric;
252
253                         if (--argc < 1) goto bad;
254                         p= *(++argv);
255                         is_numeric = p[0] >= '0' && p[0] <= '9';
256                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
257                                 {
258                                 pkey_type=TYPE_RSA;
259                                 if(!is_numeric)
260                                     p+=4;
261                                 newkey= atoi(p);
262                                 }
263                         else
264 #ifndef NO_DSA
265                                 if (strncmp("dsa:",p,4) == 0)
266                                 {
267                                 X509 *xtmp=NULL;
268                                 EVP_PKEY *dtmp;
269
270                                 pkey_type=TYPE_DSA;
271                                 p+=4;
272                                 if ((in=BIO_new_file(p,"r")) == NULL)
273                                         {
274                                         perror(p);
275                                         goto end;
276                                         }
277                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
278                                         {
279                                         ERR_clear_error();
280                                         (void)BIO_reset(in);
281                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
282                                                 {
283                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
284                                                 goto end;
285                                                 }
286
287                                         dtmp=X509_get_pubkey(xtmp);
288                                         if (dtmp->type == EVP_PKEY_DSA)
289                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
290                                         EVP_PKEY_free(dtmp);
291                                         X509_free(xtmp);
292                                         if (dsa_params == NULL)
293                                                 {
294                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
295                                                 goto end;
296                                                 }
297                                         }
298                                 BIO_free(in);
299                                 newkey=BN_num_bits(dsa_params->p);
300                                 in=NULL;
301                                 }
302                         else 
303 #endif
304 #ifndef NO_DH
305                                 if (strncmp("dh:",p,4) == 0)
306                                 {
307                                 pkey_type=TYPE_DH;
308                                 p+=3;
309                                 }
310                         else
311 #endif
312                                 pkey_type=TYPE_RSA;
313
314                         newreq=1;
315                         }
316                 else if (strcmp(*argv,"-newhdr") == 0)
317                         newhdr=1;
318                 else if (strcmp(*argv,"-modulus") == 0)
319                         modulus=1;
320                 else if (strcmp(*argv,"-verify") == 0)
321                         verify=1;
322                 else if (strcmp(*argv,"-nodes") == 0)
323                         nodes=1;
324                 else if (strcmp(*argv,"-noout") == 0)
325                         noout=1;
326                 else if (strcmp(*argv,"-text") == 0)
327                         text=1;
328                 else if (strcmp(*argv,"-x509") == 0)
329                         x509=1;
330                 else if (strcmp(*argv,"-asn1-kludge") == 0)
331                         kludge=1;
332                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
333                         kludge=0;
334                 else if (strcmp(*argv,"-days") == 0)
335                         {
336                         if (--argc < 1) goto bad;
337                         days= atoi(*(++argv));
338                         if (days == 0) days=30;
339                         }
340                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
341                         {
342                         /* ok */
343                         digest=md_alg;
344                         }
345                 else if (strcmp(*argv,"-extensions") == 0)
346                         {
347                         if (--argc < 1) goto bad;
348                         extensions = *(++argv);
349                         }
350                 else if (strcmp(*argv,"-reqexts") == 0)
351                         {
352                         if (--argc < 1) goto bad;
353                         req_exts = *(++argv);
354                         }
355                 else
356                         {
357                         BIO_printf(bio_err,"unknown option %s\n",*argv);
358                         badops=1;
359                         break;
360                         }
361                 argc--;
362                 argv++;
363                 }
364
365         if (badops)
366                 {
367 bad:
368                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
369                 BIO_printf(bio_err,"where options  are\n");
370                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
371                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
372                 BIO_printf(bio_err," -in arg        input file\n");
373                 BIO_printf(bio_err," -out arg       output file\n");
374                 BIO_printf(bio_err," -text          text form of request\n");
375                 BIO_printf(bio_err," -noout         do not output REQ\n");
376                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
377                 BIO_printf(bio_err," -modulus       RSA modulus\n");
378                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
379                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
380                 BIO_printf(bio_err," -keyform arg   key file format\n");
381                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
382                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
383                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
384                 BIO_printf(bio_err,"                the random number generator\n");
385                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
386                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
387
388                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
389                 BIO_printf(bio_err," -config file   request template file.\n");
390                 BIO_printf(bio_err," -new           new request.\n");
391                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
392                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
393                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
394                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
395                 BIO_printf(bio_err,"                have been reported as requiring\n");
396                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
397                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
398                 goto end;
399                 }
400
401         ERR_load_crypto_strings();
402         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
403                 BIO_printf(bio_err, "Error getting passwords\n");
404                 goto end;
405         }
406
407 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
408         /* Lets load up our environment a little */
409         p=getenv("OPENSSL_CONF");
410         if (p == NULL)
411                 p=getenv("SSLEAY_CONF");
412         if (p == NULL)
413                 {
414                 strcpy(config_name,X509_get_default_cert_area());
415 #ifndef VMS
416                 strcat(config_name,"/");
417 #endif
418                 strcat(config_name,OPENSSL_CONF);
419                 p=config_name;
420                 }
421         default_config_file=p;
422         config=CONF_load(config,p,NULL);
423 #endif
424
425         if (template != NULL)
426                 {
427                 long errline;
428
429                 BIO_printf(bio_err,"Using configuration from %s\n",template);
430                 req_conf=CONF_load(NULL,template,&errline);
431                 if (req_conf == NULL)
432                         {
433                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
434                         goto end;
435                         }
436                 }
437         else
438                 {
439                 req_conf=config;
440                 BIO_printf(bio_err,"Using configuration from %s\n",
441                         default_config_file);
442                 if (req_conf == NULL)
443                         {
444                         BIO_printf(bio_err,"Unable to load config info\n");
445                         }
446                 }
447
448         if (req_conf != NULL)
449                 {
450                 p=CONF_get_string(req_conf,NULL,"oid_file");
451                 if (p != NULL)
452                         {
453                         BIO *oid_bio;
454
455                         oid_bio=BIO_new_file(p,"r");
456                         if (oid_bio == NULL) 
457                                 {
458                                 /*
459                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
460                                 ERR_print_errors(bio_err);
461                                 */
462                                 }
463                         else
464                                 {
465                                 OBJ_create_objects(oid_bio);
466                                 BIO_free(oid_bio);
467                                 }
468                         }
469                 }
470                 if(!add_oid_section(req_conf)) goto end;
471
472         if ((md_alg == NULL) &&
473                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
474                 {
475                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
476                         digest=md_alg;
477                 }
478
479         if(!extensions)
480                 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
481         if(extensions) {
482                 /* Check syntax of file */
483                 X509V3_CTX ctx;
484                 X509V3_set_ctx_test(&ctx);
485                 X509V3_set_conf_lhash(&ctx, req_conf);
486                 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
487                         BIO_printf(bio_err,
488                          "Error Loading extension section %s\n", extensions);
489                         goto end;
490                 }
491         }
492
493         if(!passin)
494                 passin = CONF_get_string(req_conf, SECTION, "input_password");
495
496         if(!passout)
497                 passout = CONF_get_string(req_conf, SECTION, "output_password");
498
499         p = CONF_get_string(req_conf, SECTION, STRING_MASK);
500
501         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
502                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
503                 goto end;
504         }
505
506         if(!req_exts)
507                 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
508         if(req_exts) {
509                 /* Check syntax of file */
510                 X509V3_CTX ctx;
511                 X509V3_set_ctx_test(&ctx);
512                 X509V3_set_conf_lhash(&ctx, req_conf);
513                 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
514                         BIO_printf(bio_err,
515                          "Error Loading request extension section %s\n",
516                                                                 req_exts);
517                         goto end;
518                 }
519         }
520
521         in=BIO_new(BIO_s_file());
522         out=BIO_new(BIO_s_file());
523         if ((in == NULL) || (out == NULL))
524                 goto end;
525
526         if (keyfile != NULL)
527                 {
528                 if (BIO_read_filename(in,keyfile) <= 0)
529                         {
530                         perror(keyfile);
531                         goto end;
532                         }
533
534                 if (keyform == FORMAT_ASN1)
535                         pkey=d2i_PrivateKey_bio(in,NULL);
536                 else if (keyform == FORMAT_PEM)
537                         {
538                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,passin);
539                         }
540                 else
541                         {
542                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
543                         goto end;
544                         }
545
546                 if (pkey == NULL)
547                         {
548                         BIO_printf(bio_err,"unable to load Private key\n");
549                         goto end;
550                         }
551                 }
552
553         if (newreq && (pkey == NULL))
554                 {
555                 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
556                 app_RAND_load_file(randfile, bio_err, 0);
557                 if (inrand)
558                         app_RAND_load_files(inrand);
559         
560                 if (newkey <= 0)
561                         {
562                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
563                         if (newkey <= 0)
564                                 newkey=DEFAULT_KEY_LENGTH;
565                         }
566
567                 if (newkey < MIN_KEY_LENGTH)
568                         {
569                         BIO_printf(bio_err,"private key length is too short,\n");
570                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
571                         goto end;
572                         }
573                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
574                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
575
576                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
577
578 #ifndef NO_RSA
579                 if (pkey_type == TYPE_RSA)
580                         {
581                         if (!EVP_PKEY_assign_RSA(pkey,
582                                 RSA_generate_key(newkey,0x10001,
583                                         req_cb,bio_err)))
584                                 goto end;
585                         }
586                 else
587 #endif
588 #ifndef NO_DSA
589                         if (pkey_type == TYPE_DSA)
590                         {
591                         if (!DSA_generate_key(dsa_params)) goto end;
592                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
593                         dsa_params=NULL;
594                         }
595 #endif
596
597                 app_RAND_write_file(randfile, bio_err);
598
599                 if (pkey == NULL) goto end;
600
601                 if (keyout == NULL)
602                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
603
604                 if (keyout == NULL)
605                         {
606                         BIO_printf(bio_err,"writing new private key to stdout\n");
607                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
608                         }
609                 else
610                         {
611                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
612                         if (BIO_write_filename(out,keyout) <= 0)
613                                 {
614                                 perror(keyout);
615                                 goto end;
616                                 }
617                         }
618
619                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
620                 if (p == NULL)
621                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
622                 if ((p != NULL) && (strcmp(p,"no") == 0))
623                         cipher=NULL;
624                 if (nodes) cipher=NULL;
625                 
626                 i=0;
627 loop:
628                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
629                         NULL,0,NULL,passout))
630                         {
631                         if ((ERR_GET_REASON(ERR_peek_error()) ==
632                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
633                                 {
634                                 ERR_clear_error();
635                                 i++;
636                                 goto loop;
637                                 }
638                         goto end;
639                         }
640                 BIO_printf(bio_err,"-----\n");
641                 }
642
643         if (!newreq)
644                 {
645                 /* Since we are using a pre-existing certificate
646                  * request, the kludge 'format' info should not be
647                  * changed. */
648                 kludge= -1;
649                 if (infile == NULL)
650                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
651                 else
652                         {
653                         if (BIO_read_filename(in,infile) <= 0)
654                                 {
655                                 perror(infile);
656                                 goto end;
657                                 }
658                         }
659
660                 if      (informat == FORMAT_ASN1)
661                         req=d2i_X509_REQ_bio(in,NULL);
662                 else if (informat == FORMAT_PEM)
663                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
664                 else
665                         {
666                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
667                         goto end;
668                         }
669                 if (req == NULL)
670                         {
671                         BIO_printf(bio_err,"unable to load X509 request\n");
672                         goto end;
673                         }
674                 }
675
676         if (newreq || x509)
677                 {
678 #ifndef NO_DSA
679                 if (pkey->type == EVP_PKEY_DSA)
680                         digest=EVP_dss1();
681 #endif
682
683                 if (pkey == NULL)
684                         {
685                         BIO_printf(bio_err,"you need to specify a private key\n");
686                         goto end;
687                         }
688                 if (req == NULL)
689                         {
690                         req=X509_REQ_new();
691                         if (req == NULL)
692                                 {
693                                 goto end;
694                                 }
695
696                         i=make_REQ(req,pkey,!x509);
697                         if (kludge >= 0)
698                                 req->req_info->req_kludge=kludge;
699                         if (!i)
700                                 {
701                                 BIO_printf(bio_err,"problems making Certificate Request\n");
702                                 goto end;
703                                 }
704                         }
705                 if (x509)
706                         {
707                         EVP_PKEY *tmppkey;
708                         X509V3_CTX ext_ctx;
709                         if ((x509ss=X509_new()) == NULL) goto end;
710
711                         /* Set version to V3 */
712                         if(!X509_set_version(x509ss, 2)) goto end;
713                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
714
715                         X509_set_issuer_name(x509ss,
716                                 X509_REQ_get_subject_name(req));
717                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
718                         X509_gmtime_adj(X509_get_notAfter(x509ss),
719                                 (long)60*60*24*days);
720                         X509_set_subject_name(x509ss,
721                                 X509_REQ_get_subject_name(req));
722                         tmppkey = X509_REQ_get_pubkey(req);
723                         X509_set_pubkey(x509ss,tmppkey);
724                         EVP_PKEY_free(tmppkey);
725
726                         /* Set up V3 context struct */
727
728                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
729                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
730
731                         /* Add extensions */
732                         if(extensions && !X509V3_EXT_add_conf(req_conf, 
733                                         &ext_ctx, extensions, x509ss))
734                             {
735                             BIO_printf(bio_err,
736                                        "Error Loading extension section %s\n",
737                                        extensions);
738                             goto end;
739                             }
740
741                         if (!(i=X509_sign(x509ss,pkey,digest)))
742                                 goto end;
743                         }
744                 else
745                         {
746                         X509V3_CTX ext_ctx;
747
748                         /* Set up V3 context struct */
749
750                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
751                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
752
753                         /* Add extensions */
754                         if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf, 
755                                         &ext_ctx, req_exts, req))
756                             {
757                             BIO_printf(bio_err,
758                                        "Error Loading extension section %s\n",
759                                        req_exts);
760                             goto end;
761                             }
762                         if (!(i=X509_REQ_sign(req,pkey,digest)))
763                                 goto end;
764                         }
765                 }
766
767         if (verify && !x509)
768                 {
769                 int tmp=0;
770
771                 if (pkey == NULL)
772                         {
773                         pkey=X509_REQ_get_pubkey(req);
774                         tmp=1;
775                         if (pkey == NULL) goto end;
776                         }
777
778                 i=X509_REQ_verify(req,pkey);
779                 if (tmp) {
780                         EVP_PKEY_free(pkey);
781                         pkey=NULL;
782                 }
783
784                 if (i < 0)
785                         {
786                         goto end;
787                         }
788                 else if (i == 0)
789                         {
790                         BIO_printf(bio_err,"verify failure\n");
791                         }
792                 else /* if (i > 0) */
793                         BIO_printf(bio_err,"verify OK\n");
794                 }
795
796         if (noout && !text && !modulus)
797                 {
798                 ex=0;
799                 goto end;
800                 }
801
802         if (outfile == NULL)
803                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
804         else
805                 {
806                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
807                         i=(int)BIO_append_filename(out,outfile);
808                 else
809                         i=(int)BIO_write_filename(out,outfile);
810                 if (!i)
811                         {
812                         perror(outfile);
813                         goto end;
814                         }
815                 }
816
817         if (text)
818                 {
819                 if (x509)
820                         X509_print(out,x509ss);
821                 else    
822                         X509_REQ_print(out,req);
823                 }
824
825         if (modulus)
826                 {
827                 EVP_PKEY *pubkey;
828
829                 if (x509)
830                         pubkey=X509_get_pubkey(x509ss);
831                 else
832                         pubkey=X509_REQ_get_pubkey(req);
833                 if (pubkey == NULL)
834                         {
835                         fprintf(stdout,"Modulus=unavailable\n");
836                         goto end; 
837                         }
838                 fprintf(stdout,"Modulus=");
839 #ifndef NO_RSA
840                 if (pubkey->type == EVP_PKEY_RSA)
841                         BN_print(out,pubkey->pkey.rsa->n);
842                 else
843 #endif
844                         fprintf(stdout,"Wrong Algorithm type");
845                 fprintf(stdout,"\n");
846                 }
847
848         if (!noout && !x509)
849                 {
850                 if      (outformat == FORMAT_ASN1)
851                         i=i2d_X509_REQ_bio(out,req);
852                 else if (outformat == FORMAT_PEM) {
853                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
854                         else i=PEM_write_bio_X509_REQ(out,req);
855                 } else {
856                         BIO_printf(bio_err,"bad output format specified for outfile\n");
857                         goto end;
858                         }
859                 if (!i)
860                         {
861                         BIO_printf(bio_err,"unable to write X509 request\n");
862                         goto end;
863                         }
864                 }
865         if (!noout && x509 && (x509ss != NULL))
866                 {
867                 if      (outformat == FORMAT_ASN1)
868                         i=i2d_X509_bio(out,x509ss);
869                 else if (outformat == FORMAT_PEM)
870                         i=PEM_write_bio_X509(out,x509ss);
871                 else    {
872                         BIO_printf(bio_err,"bad output format specified for outfile\n");
873                         goto end;
874                         }
875                 if (!i)
876                         {
877                         BIO_printf(bio_err,"unable to write X509 certificate\n");
878                         goto end;
879                         }
880                 }
881         ex=0;
882 end:
883         if (ex)
884                 {
885                 ERR_print_errors(bio_err);
886                 }
887         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
888         BIO_free(in);
889         BIO_free(out);
890         EVP_PKEY_free(pkey);
891         X509_REQ_free(req);
892         X509_free(x509ss);
893         if(passargin && passin) OPENSSL_free(passin);
894         if(passargout && passout) OPENSSL_free(passout);
895         OBJ_cleanup();
896 #ifndef NO_DSA
897         if (dsa_params != NULL) DSA_free(dsa_params);
898 #endif
899         EXIT(ex);
900         }
901
902 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
903         {
904         int ret=0,i;
905         char no_prompt = 0;
906         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
907         char *tmp, *dn_sect,*attr_sect;
908
909         tmp=CONF_get_string(req_conf,SECTION,PROMPT);
910         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
911
912         dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
913         if (dn_sect == NULL)
914                 {
915                 BIO_printf(bio_err,"unable to find '%s' in config\n",
916                         DISTINGUISHED_NAME);
917                 goto err;
918                 }
919         dn_sk=CONF_get_section(req_conf,dn_sect);
920         if (dn_sk == NULL)
921                 {
922                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
923                 goto err;
924                 }
925
926         attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
927         if (attr_sect == NULL)
928                 attr_sk=NULL;
929         else
930                 {
931                 attr_sk=CONF_get_section(req_conf,attr_sect);
932                 if (attr_sk == NULL)
933                         {
934                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
935                         goto err;
936                         }
937                 }
938
939         /* setup version number */
940         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
941
942         if(no_prompt) i = auto_info(req, dn_sk, attr_sk, attribs);
943         else i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs);
944         if(!i) goto err;
945
946         X509_REQ_set_pubkey(req,pkey);
947
948         ret=1;
949 err:
950         return(ret);
951         }
952
953
954 static int prompt_info(X509_REQ *req,
955                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
956                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs)
957         {
958         int i;
959         char *p,*q;
960         char buf[100];
961         int nid,min,max;
962         char *type,*def,*value;
963         CONF_VALUE *v;
964         X509_NAME *subj;
965         subj = X509_REQ_get_subject_name(req);
966         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
967         BIO_printf(bio_err,"into your certificate request.\n");
968         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
969         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
970         BIO_printf(bio_err,"For some fields there will be a default value,\n");
971         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
972         BIO_printf(bio_err,"-----\n");
973
974
975         if (sk_CONF_VALUE_num(dn_sk))
976                 {
977                 i= -1;
978 start:          for (;;)
979                         {
980                         i++;
981                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
982
983                         v=sk_CONF_VALUE_value(dn_sk,i);
984                         p=q=NULL;
985                         type=v->name;
986                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
987                                 !check_end(type,"_default") ||
988                                          !check_end(type,"_value")) continue;
989                         /* Skip past any leading X. X: X, etc to allow for
990                          * multiple instances 
991                          */
992                         for(p = v->name; *p ; p++) 
993                                 if ((*p == ':') || (*p == ',') ||
994                                                          (*p == '.')) {
995                                         p++;
996                                         if(*p) type = p;
997                                         break;
998                                 }
999                         /* If OBJ not recognised ignore it */
1000                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1001                         sprintf(buf,"%s_default",v->name);
1002                         if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1003                                 def="";
1004                                 
1005                         sprintf(buf,"%s_value",v->name);
1006                         if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1007                                 value=NULL;
1008
1009                         sprintf(buf,"%s_min",v->name);
1010                         min=(int)CONF_get_number(req_conf,dn_sect,buf);
1011
1012                         sprintf(buf,"%s_max",v->name);
1013                         max=(int)CONF_get_number(req_conf,dn_sect,buf);
1014
1015                         if (!add_DN_object(subj,v->value,def,value,nid,
1016                                 min,max))
1017                                 return 0;
1018                         }
1019                 if (X509_NAME_entry_count(subj) == 0)
1020                         {
1021                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1022                         return 0;
1023                         }
1024
1025                 if (attribs)
1026                         {
1027                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0))
1028                                 {
1029                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1030                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1031                                 }
1032
1033                         i= -1;
1034 start2:                 for (;;)
1035                                 {
1036                                 i++;
1037                                 if ((attr_sk == NULL) ||
1038                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1039                                         break;
1040
1041                                 v=sk_CONF_VALUE_value(attr_sk,i);
1042                                 type=v->name;
1043                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1044                                         goto start2;
1045
1046                                 sprintf(buf,"%s_default",type);
1047                                 if ((def=CONF_get_string(req_conf,attr_sect,buf))
1048                                         == NULL)
1049                                         def="";
1050                                 
1051                                 sprintf(buf,"%s_value",type);
1052                                 if ((value=CONF_get_string(req_conf,attr_sect,buf))
1053                                         == NULL)
1054                                         value=NULL;
1055
1056                                 sprintf(buf,"%s_min",type);
1057                                 min=(int)CONF_get_number(req_conf,attr_sect,buf);
1058
1059                                 sprintf(buf,"%s_max",type);
1060                                 max=(int)CONF_get_number(req_conf,attr_sect,buf);
1061
1062                                 if (!add_attribute_object(req,
1063                                         v->value,def,value,nid,min,max))
1064                                         return 0;
1065                                 }
1066                         }
1067                 }
1068         else
1069                 {
1070                 BIO_printf(bio_err,"No template, please set one up.\n");
1071                 return 0;
1072                 }
1073
1074         return 1;
1075
1076         }
1077
1078 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1079                         STACK_OF(CONF_VALUE) *attr_sk, int attribs)
1080         {
1081         int i;
1082         char *p,*q;
1083         char *type;
1084         CONF_VALUE *v;
1085         X509_NAME *subj;
1086
1087         subj = X509_REQ_get_subject_name(req);
1088
1089         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1090                 {
1091                 v=sk_CONF_VALUE_value(dn_sk,i);
1092                 p=q=NULL;
1093                 type=v->name;
1094                 /* Skip past any leading X. X: X, etc to allow for
1095                  * multiple instances 
1096                  */
1097                 for(p = v->name; *p ; p++) 
1098                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1099                                 p++;
1100                                 if(*p) type = p;
1101                                 break;
1102                         }
1103                 if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC,
1104                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1105
1106                 }
1107
1108                 if (!X509_NAME_entry_count(subj))
1109                         {
1110                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1111                         return 0;
1112                         }
1113                 if (attribs)
1114                         {
1115                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1116                                 {
1117                                 v=sk_CONF_VALUE_value(attr_sk,i);
1118                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, MBSTRING_ASC,
1119                                         (unsigned char *)v->value, -1)) return 0;
1120                                 }
1121                         }
1122         return 1;
1123         }
1124
1125
1126 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1127              int nid, int min, int max)
1128         {
1129         int i,ret=0;
1130         MS_STATIC char buf[1024];
1131 start:
1132         BIO_printf(bio_err,"%s [%s]:",text,def);
1133         (void)BIO_flush(bio_err);
1134         if (value != NULL)
1135                 {
1136                 strcpy(buf,value);
1137                 strcat(buf,"\n");
1138                 BIO_printf(bio_err,"%s\n",value);
1139                 }
1140         else
1141                 {
1142                 buf[0]='\0';
1143                 fgets(buf,1024,stdin);
1144                 }
1145
1146         if (buf[0] == '\0') return(0);
1147         else if (buf[0] == '\n')
1148                 {
1149                 if ((def == NULL) || (def[0] == '\0'))
1150                         return(1);
1151                 strcpy(buf,def);
1152                 strcat(buf,"\n");
1153                 }
1154         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1155
1156         i=strlen(buf);
1157         if (buf[i-1] != '\n')
1158                 {
1159                 BIO_printf(bio_err,"weird input :-(\n");
1160                 return(0);
1161                 }
1162         buf[--i]='\0';
1163
1164 #ifdef CHARSET_EBCDIC
1165         ebcdic2ascii(buf, buf, i);
1166 #endif
1167         if(!req_check_len(i, min, max)) goto start;
1168         if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
1169                                 (unsigned char *) buf, -1,-1,0)) goto err;
1170         ret=1;
1171 err:
1172         return(ret);
1173         }
1174
1175 static int add_attribute_object(X509_REQ *req, char *text,
1176                                 char *def, char *value, int nid, int min,
1177                                 int max)
1178         {
1179         int i;
1180         static char buf[1024];
1181
1182 start:
1183         BIO_printf(bio_err,"%s [%s]:",text,def);
1184         (void)BIO_flush(bio_err);
1185         if (value != NULL)
1186                 {
1187                 strcpy(buf,value);
1188                 strcat(buf,"\n");
1189                 BIO_printf(bio_err,"%s\n",value);
1190                 }
1191         else
1192                 {
1193                 buf[0]='\0';
1194                 fgets(buf,1024,stdin);
1195                 }
1196
1197         if (buf[0] == '\0') return(0);
1198         else if (buf[0] == '\n')
1199                 {
1200                 if ((def == NULL) || (def[0] == '\0'))
1201                         return(1);
1202                 strcpy(buf,def);
1203                 strcat(buf,"\n");
1204                 }
1205         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1206
1207         i=strlen(buf);
1208         if (buf[i-1] != '\n')
1209                 {
1210                 BIO_printf(bio_err,"weird input :-(\n");
1211                 return(0);
1212                 }
1213         buf[--i]='\0';
1214         if(!req_check_len(i, min, max)) goto start;
1215
1216         if(!X509_REQ_add1_attr_by_NID(req, nid, MBSTRING_ASC,
1217                                         (unsigned char *)buf, -1)) {
1218                 BIO_printf(bio_err, "Error adding attribute\n");
1219                 ERR_print_errors(bio_err);
1220                 goto err;
1221         }
1222
1223         return(1);
1224 err:
1225         return(0);
1226         }
1227
1228 #ifndef NO_RSA
1229 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1230         {
1231         char c='*';
1232
1233         if (p == 0) c='.';
1234         if (p == 1) c='+';
1235         if (p == 2) c='*';
1236         if (p == 3) c='\n';
1237         BIO_write((BIO *)arg,&c,1);
1238         (void)BIO_flush((BIO *)arg);
1239 #ifdef LINT
1240         p=n;
1241 #endif
1242         }
1243 #endif
1244
1245 static int req_check_len(int len, int min, int max)
1246         {
1247         if (len < min)
1248                 {
1249                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1250                 return(0);
1251                 }
1252         if ((max != 0) && (len > max))
1253                 {
1254                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1255                 return(0);
1256                 }
1257         return(1);
1258         }
1259
1260 /* Check if the end of a string matches 'end' */
1261 static int check_end(char *str, char *end)
1262 {
1263         int elen, slen; 
1264         char *tmp;
1265         elen = strlen(end);
1266         slen = strlen(str);
1267         if(elen > slen) return 1;
1268         tmp = str + slen - elen;
1269         return strcmp(tmp, end);
1270 }
1271
1272 static int add_oid_section(LHASH *conf)
1273 {       
1274         char *p;
1275         STACK_OF(CONF_VALUE) *sktmp;
1276         CONF_VALUE *cnf;
1277         int i;
1278         if(!(p=CONF_get_string(conf,NULL,"oid_section"))) return 1;
1279         if(!(sktmp = CONF_get_section(conf, p))) {
1280                 BIO_printf(bio_err, "problem loading oid section %s\n", p);
1281                 return 0;
1282         }
1283         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
1284                 cnf = sk_CONF_VALUE_value(sktmp, i);
1285                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
1286                         BIO_printf(bio_err, "problem creating object %s=%s\n",
1287                                                          cnf->name, cnf->value);
1288                         return 0;
1289                 }
1290         }
1291         return 1;
1292 }