xref: /freebsd/crypto/openssl/apps/req.c (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /* apps/req.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 
59 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
60  * deprecated functions for openssl-internal code */
61 #ifdef OPENSSL_NO_DEPRECATED
62 #undef OPENSSL_NO_DEPRECATED
63 #endif
64 
65 #include <stdio.h>
66 #include <stdlib.h>
67 #include <time.h>
68 #include <string.h>
69 #ifdef OPENSSL_NO_STDIO
70 #define APPS_WIN16
71 #endif
72 #include "apps.h"
73 #include <openssl/bio.h>
74 #include <openssl/evp.h>
75 #include <openssl/conf.h>
76 #include <openssl/err.h>
77 #include <openssl/asn1.h>
78 #include <openssl/x509.h>
79 #include <openssl/x509v3.h>
80 #include <openssl/objects.h>
81 #include <openssl/pem.h>
82 #include <openssl/bn.h>
83 #ifndef OPENSSL_NO_RSA
84 #include <openssl/rsa.h>
85 #endif
86 #ifndef OPENSSL_NO_DSA
87 #include <openssl/dsa.h>
88 #endif
89 
90 #define SECTION		"req"
91 
92 #define BITS		"default_bits"
93 #define KEYFILE		"default_keyfile"
94 #define PROMPT		"prompt"
95 #define DISTINGUISHED_NAME	"distinguished_name"
96 #define ATTRIBUTES	"attributes"
97 #define V3_EXTENSIONS	"x509_extensions"
98 #define REQ_EXTENSIONS	"req_extensions"
99 #define STRING_MASK	"string_mask"
100 #define UTF8_IN		"utf8"
101 
102 #define DEFAULT_KEY_LENGTH	512
103 #define MIN_KEY_LENGTH		384
104 
105 #undef PROG
106 #define PROG	req_main
107 
108 /* -inform arg	- input format - default PEM (DER or PEM)
109  * -outform arg - output format - default PEM
110  * -in arg	- input file - default stdin
111  * -out arg	- output file - default stdout
112  * -verify	- check request signature
113  * -noout	- don't print stuff out.
114  * -text	- print out human readable text.
115  * -nodes	- no des encryption
116  * -config file	- Load configuration file.
117  * -key file	- make a request using key in file (or use it for verification).
118  * -keyform arg	- key file format.
119  * -rand file(s) - load the file(s) into the PRNG.
120  * -newkey	- make a key and a request.
121  * -modulus	- print RSA modulus.
122  * -pubkey	- output Public Key.
123  * -x509	- output a self signed X509 structure instead.
124  * -asn1-kludge	- output new certificate request in a format that some CA's
125  *		  require.  This format is wrong
126  */
127 
128 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int mutlirdn,
129 		int attribs,unsigned long chtype);
130 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
131 		int multirdn);
132 static int prompt_info(X509_REQ *req,
133 		STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
134 		STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
135 		unsigned long chtype);
136 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
137 				STACK_OF(CONF_VALUE) *attr, int attribs,
138 				unsigned long chtype);
139 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
140 				char *value, int nid, int n_min,
141 				int n_max, unsigned long chtype);
142 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
143 	int nid,int n_min,int n_max, unsigned long chtype, int mval);
144 #ifndef OPENSSL_NO_RSA
145 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb);
146 #endif
147 static int req_check_len(int len,int n_min,int n_max);
148 static int check_end(const char *str, const char *end);
149 #ifndef MONOLITH
150 static char *default_config_file=NULL;
151 #endif
152 static CONF *req_conf=NULL;
153 static int batch=0;
154 
155 #define TYPE_RSA	1
156 #define TYPE_DSA	2
157 #define TYPE_DH		3
158 #define TYPE_EC		4
159 
160 int MAIN(int, char **);
161 
162 int MAIN(int argc, char **argv)
163 	{
164 	ENGINE *e = NULL;
165 #ifndef OPENSSL_NO_DSA
166 	DSA *dsa_params=NULL;
167 #endif
168 #ifndef OPENSSL_NO_ECDSA
169 	EC_KEY *ec_params = NULL;
170 #endif
171 	unsigned long nmflag = 0, reqflag = 0;
172 	int ex=1,x509=0,days=30;
173 	X509 *x509ss=NULL;
174 	X509_REQ *req=NULL;
175 	EVP_PKEY *pkey=NULL;
176 	int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
177 	long newkey = -1;
178 	BIO *in=NULL,*out=NULL;
179 	int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
180 	int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
181 	char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
182 #ifndef OPENSSL_NO_ENGINE
183 	char *engine=NULL;
184 #endif
185 	char *extensions = NULL;
186 	char *req_exts = NULL;
187 	const EVP_CIPHER *cipher=NULL;
188 	ASN1_INTEGER *serial = NULL;
189 	int modulus=0;
190 	char *inrand=NULL;
191 	char *passargin = NULL, *passargout = NULL;
192 	char *passin = NULL, *passout = NULL;
193 	char *p;
194 	char *subj = NULL;
195 	int multirdn = 0;
196 	const EVP_MD *md_alg=NULL,*digest=EVP_sha1();
197 	unsigned long chtype = MBSTRING_ASC;
198 #ifndef MONOLITH
199 	char *to_free;
200 	long errline;
201 #endif
202 
203 	req_conf = NULL;
204 #ifndef OPENSSL_NO_DES
205 	cipher=EVP_des_ede3_cbc();
206 #endif
207 	apps_startup();
208 
209 	if (bio_err == NULL)
210 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
211 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
212 
213 	infile=NULL;
214 	outfile=NULL;
215 	informat=FORMAT_PEM;
216 	outformat=FORMAT_PEM;
217 
218 	prog=argv[0];
219 	argc--;
220 	argv++;
221 	while (argc >= 1)
222 		{
223 		if 	(strcmp(*argv,"-inform") == 0)
224 			{
225 			if (--argc < 1) goto bad;
226 			informat=str2fmt(*(++argv));
227 			}
228 		else if (strcmp(*argv,"-outform") == 0)
229 			{
230 			if (--argc < 1) goto bad;
231 			outformat=str2fmt(*(++argv));
232 			}
233 #ifndef OPENSSL_NO_ENGINE
234 		else if (strcmp(*argv,"-engine") == 0)
235 			{
236 			if (--argc < 1) goto bad;
237 			engine= *(++argv);
238 			}
239 #endif
240 		else if (strcmp(*argv,"-key") == 0)
241 			{
242 			if (--argc < 1) goto bad;
243 			keyfile= *(++argv);
244 			}
245 		else if (strcmp(*argv,"-pubkey") == 0)
246 			{
247 			pubkey=1;
248 			}
249 		else if (strcmp(*argv,"-new") == 0)
250 			{
251 			newreq=1;
252 			}
253 		else if (strcmp(*argv,"-config") == 0)
254 			{
255 			if (--argc < 1) goto bad;
256 			template= *(++argv);
257 			}
258 		else if (strcmp(*argv,"-keyform") == 0)
259 			{
260 			if (--argc < 1) goto bad;
261 			keyform=str2fmt(*(++argv));
262 			}
263 		else if (strcmp(*argv,"-in") == 0)
264 			{
265 			if (--argc < 1) goto bad;
266 			infile= *(++argv);
267 			}
268 		else if (strcmp(*argv,"-out") == 0)
269 			{
270 			if (--argc < 1) goto bad;
271 			outfile= *(++argv);
272 			}
273 		else if (strcmp(*argv,"-keyout") == 0)
274 			{
275 			if (--argc < 1) goto bad;
276 			keyout= *(++argv);
277 			}
278 		else if (strcmp(*argv,"-passin") == 0)
279 			{
280 			if (--argc < 1) goto bad;
281 			passargin= *(++argv);
282 			}
283 		else if (strcmp(*argv,"-passout") == 0)
284 			{
285 			if (--argc < 1) goto bad;
286 			passargout= *(++argv);
287 			}
288 		else if (strcmp(*argv,"-rand") == 0)
289 			{
290 			if (--argc < 1) goto bad;
291 			inrand= *(++argv);
292 			}
293 		else if (strcmp(*argv,"-newkey") == 0)
294 			{
295 			int is_numeric;
296 
297 			if (--argc < 1) goto bad;
298 			p= *(++argv);
299 			is_numeric = p[0] >= '0' && p[0] <= '9';
300 			if (strncmp("rsa:",p,4) == 0 || is_numeric)
301 				{
302 				pkey_type=TYPE_RSA;
303 				if(!is_numeric)
304 				    p+=4;
305 				newkey= atoi(p);
306 				}
307 			else
308 #ifndef OPENSSL_NO_DSA
309 				if (strncmp("dsa:",p,4) == 0)
310 				{
311 				X509 *xtmp=NULL;
312 				EVP_PKEY *dtmp;
313 
314 				pkey_type=TYPE_DSA;
315 				p+=4;
316 				if ((in=BIO_new_file(p,"r")) == NULL)
317 					{
318 					perror(p);
319 					goto end;
320 					}
321 				if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
322 					{
323 					ERR_clear_error();
324 					(void)BIO_reset(in);
325 					if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
326 						{
327 						BIO_printf(bio_err,"unable to load DSA parameters from file\n");
328 						goto end;
329 						}
330 
331 					if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
332 					if (dtmp->type == EVP_PKEY_DSA)
333 						dsa_params=DSAparams_dup(dtmp->pkey.dsa);
334 					EVP_PKEY_free(dtmp);
335 					X509_free(xtmp);
336 					if (dsa_params == NULL)
337 						{
338 						BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
339 						goto end;
340 						}
341 					}
342 				BIO_free(in);
343 				in=NULL;
344 				newkey=BN_num_bits(dsa_params->p);
345 				}
346 			else
347 #endif
348 #ifndef OPENSSL_NO_ECDSA
349 				if (strncmp("ec:",p,3) == 0)
350 				{
351 				X509 *xtmp=NULL;
352 				EVP_PKEY *dtmp;
353 				EC_GROUP *group;
354 
355 				pkey_type=TYPE_EC;
356 				p+=3;
357 				if ((in=BIO_new_file(p,"r")) == NULL)
358 					{
359 					perror(p);
360 					goto end;
361 					}
362 				if ((ec_params = EC_KEY_new()) == NULL)
363 					goto end;
364 				group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL);
365 				if (group == NULL)
366 					{
367 					EC_KEY_free(ec_params);
368 					ERR_clear_error();
369 					(void)BIO_reset(in);
370 					if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
371 						{
372 						BIO_printf(bio_err,"unable to load EC parameters from file\n");
373 						goto end;
374 						}
375 
376 					if ((dtmp=X509_get_pubkey(xtmp))==NULL)
377 						goto end;
378 					if (dtmp->type == EVP_PKEY_EC)
379 						ec_params = EC_KEY_dup(dtmp->pkey.ec);
380 					EVP_PKEY_free(dtmp);
381 					X509_free(xtmp);
382 					if (ec_params == NULL)
383 						{
384 						BIO_printf(bio_err,"Certificate does not contain EC parameters\n");
385 						goto end;
386 						}
387 					}
388 				else
389 					{
390 					if (EC_KEY_set_group(ec_params, group) == 0)
391 						goto end;
392 					EC_GROUP_free(group);
393 					}
394 
395 				BIO_free(in);
396 				in=NULL;
397 				newkey = EC_GROUP_get_degree(EC_KEY_get0_group(ec_params));
398 				}
399 			else
400 #endif
401 #ifndef OPENSSL_NO_DH
402 				if (strncmp("dh:",p,4) == 0)
403 				{
404 				pkey_type=TYPE_DH;
405 				p+=3;
406 				}
407 			else
408 #endif
409 				{
410 				goto bad;
411 				}
412 
413 			newreq=1;
414 			}
415 		else if (strcmp(*argv,"-batch") == 0)
416 			batch=1;
417 		else if (strcmp(*argv,"-newhdr") == 0)
418 			newhdr=1;
419 		else if (strcmp(*argv,"-modulus") == 0)
420 			modulus=1;
421 		else if (strcmp(*argv,"-verify") == 0)
422 			verify=1;
423 		else if (strcmp(*argv,"-nodes") == 0)
424 			nodes=1;
425 		else if (strcmp(*argv,"-noout") == 0)
426 			noout=1;
427 		else if (strcmp(*argv,"-verbose") == 0)
428 			verbose=1;
429 		else if (strcmp(*argv,"-utf8") == 0)
430 			chtype = MBSTRING_UTF8;
431 		else if (strcmp(*argv,"-nameopt") == 0)
432 			{
433 			if (--argc < 1) goto bad;
434 			if (!set_name_ex(&nmflag, *(++argv))) goto bad;
435 			}
436 		else if (strcmp(*argv,"-reqopt") == 0)
437 			{
438 			if (--argc < 1) goto bad;
439 			if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
440 			}
441 		else if (strcmp(*argv,"-subject") == 0)
442 			subject=1;
443 		else if (strcmp(*argv,"-text") == 0)
444 			text=1;
445 		else if (strcmp(*argv,"-x509") == 0)
446 			x509=1;
447 		else if (strcmp(*argv,"-asn1-kludge") == 0)
448 			kludge=1;
449 		else if (strcmp(*argv,"-no-asn1-kludge") == 0)
450 			kludge=0;
451 		else if (strcmp(*argv,"-subj") == 0)
452 			{
453 			if (--argc < 1) goto bad;
454 			subj= *(++argv);
455 			}
456 		else if (strcmp(*argv,"-multivalue-rdn") == 0)
457 			multirdn=1;
458 		else if (strcmp(*argv,"-days") == 0)
459 			{
460 			if (--argc < 1) goto bad;
461 			days= atoi(*(++argv));
462 			if (days == 0) days=30;
463 			}
464 		else if (strcmp(*argv,"-set_serial") == 0)
465 			{
466 			if (--argc < 1) goto bad;
467 			serial = s2i_ASN1_INTEGER(NULL, *(++argv));
468 			if (!serial) goto bad;
469 			}
470 		else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
471 			{
472 			/* ok */
473 			digest=md_alg;
474 			}
475 		else if (strcmp(*argv,"-extensions") == 0)
476 			{
477 			if (--argc < 1) goto bad;
478 			extensions = *(++argv);
479 			}
480 		else if (strcmp(*argv,"-reqexts") == 0)
481 			{
482 			if (--argc < 1) goto bad;
483 			req_exts = *(++argv);
484 			}
485 		else
486 			{
487 			BIO_printf(bio_err,"unknown option %s\n",*argv);
488 			badops=1;
489 			break;
490 			}
491 		argc--;
492 		argv++;
493 		}
494 
495 	if (badops)
496 		{
497 bad:
498 		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
499 		BIO_printf(bio_err,"where options  are\n");
500 		BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
501 		BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
502 		BIO_printf(bio_err," -in arg        input file\n");
503 		BIO_printf(bio_err," -out arg       output file\n");
504 		BIO_printf(bio_err," -text          text form of request\n");
505 		BIO_printf(bio_err," -pubkey        output public key\n");
506 		BIO_printf(bio_err," -noout         do not output REQ\n");
507 		BIO_printf(bio_err," -verify        verify signature on REQ\n");
508 		BIO_printf(bio_err," -modulus       RSA modulus\n");
509 		BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
510 #ifndef OPENSSL_NO_ENGINE
511 		BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
512 #endif
513 		BIO_printf(bio_err," -subject       output the request's subject\n");
514 		BIO_printf(bio_err," -passin        private key password source\n");
515 		BIO_printf(bio_err," -key file      use the private key contained in file\n");
516 		BIO_printf(bio_err," -keyform arg   key file format\n");
517 		BIO_printf(bio_err," -keyout arg    file to send the key to\n");
518 		BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
519 		BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
520 		BIO_printf(bio_err,"                the random number generator\n");
521 		BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
522 		BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
523 #ifndef OPENSSL_NO_ECDSA
524 		BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
525 #endif
526 		BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
527 		BIO_printf(bio_err," -config file   request template file.\n");
528 		BIO_printf(bio_err," -subj arg      set or modify request subject\n");
529 		BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n");
530 		BIO_printf(bio_err," -new           new request.\n");
531 		BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
532 		BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
533 		BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
534 		BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
535 		BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
536 		BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
537 		BIO_printf(bio_err,"                have been reported as requiring\n");
538 		BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
539 		BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
540 		BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
541 		BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
542 		BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
543 		goto end;
544 		}
545 
546 	ERR_load_crypto_strings();
547 	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
548 		BIO_printf(bio_err, "Error getting passwords\n");
549 		goto end;
550 	}
551 
552 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
553 	/* Lets load up our environment a little */
554 	p=getenv("OPENSSL_CONF");
555 	if (p == NULL)
556 		p=getenv("SSLEAY_CONF");
557 	if (p == NULL)
558 		p=to_free=make_config_name();
559 	default_config_file=p;
560 	config=NCONF_new(NULL);
561 	i=NCONF_load(config, p, &errline);
562 #endif
563 
564 	if (template != NULL)
565 		{
566 		long errline = -1;
567 
568 		if( verbose )
569 			BIO_printf(bio_err,"Using configuration from %s\n",template);
570 		req_conf=NCONF_new(NULL);
571 		i=NCONF_load(req_conf,template,&errline);
572 		if (i == 0)
573 			{
574 			BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
575 			goto end;
576 			}
577 		}
578 	else
579 		{
580 		req_conf=config;
581 
582 		if (req_conf == NULL)
583 			{
584 			BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
585 			if (newreq)
586 				goto end;
587 			}
588 		else if( verbose )
589 			BIO_printf(bio_err,"Using configuration from %s\n",
590 			default_config_file);
591 		}
592 
593 	if (req_conf != NULL)
594 		{
595 		if (!load_config(bio_err, req_conf))
596 			goto end;
597 		p=NCONF_get_string(req_conf,NULL,"oid_file");
598 		if (p == NULL)
599 			ERR_clear_error();
600 		if (p != NULL)
601 			{
602 			BIO *oid_bio;
603 
604 			oid_bio=BIO_new_file(p,"r");
605 			if (oid_bio == NULL)
606 				{
607 				/*
608 				BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
609 				ERR_print_errors(bio_err);
610 				*/
611 				}
612 			else
613 				{
614 				OBJ_create_objects(oid_bio);
615 				BIO_free(oid_bio);
616 				}
617 			}
618 		}
619 	if(!add_oid_section(bio_err, req_conf)) goto end;
620 
621 	if (md_alg == NULL)
622 		{
623 		p=NCONF_get_string(req_conf,SECTION,"default_md");
624 		if (p == NULL)
625 			ERR_clear_error();
626 		if (p != NULL)
627 			{
628 			if ((md_alg=EVP_get_digestbyname(p)) != NULL)
629 				digest=md_alg;
630 			}
631 		}
632 
633 	if (!extensions)
634 		{
635 		extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
636 		if (!extensions)
637 			ERR_clear_error();
638 		}
639 	if (extensions) {
640 		/* Check syntax of file */
641 		X509V3_CTX ctx;
642 		X509V3_set_ctx_test(&ctx);
643 		X509V3_set_nconf(&ctx, req_conf);
644 		if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
645 			BIO_printf(bio_err,
646 			 "Error Loading extension section %s\n", extensions);
647 			goto end;
648 		}
649 	}
650 
651 	if(!passin)
652 		{
653 		passin = NCONF_get_string(req_conf, SECTION, "input_password");
654 		if (!passin)
655 			ERR_clear_error();
656 		}
657 
658 	if(!passout)
659 		{
660 		passout = NCONF_get_string(req_conf, SECTION, "output_password");
661 		if (!passout)
662 			ERR_clear_error();
663 		}
664 
665 	p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
666 	if (!p)
667 		ERR_clear_error();
668 
669 	if(p && !ASN1_STRING_set_default_mask_asc(p)) {
670 		BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
671 		goto end;
672 	}
673 
674 	if (chtype != MBSTRING_UTF8)
675 		{
676 		p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
677 		if (!p)
678 			ERR_clear_error();
679 		else if (!strcmp(p, "yes"))
680 			chtype = MBSTRING_UTF8;
681 		}
682 
683 
684 	if(!req_exts)
685 		{
686 		req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
687 		if (!req_exts)
688 			ERR_clear_error();
689 		}
690 	if(req_exts) {
691 		/* Check syntax of file */
692 		X509V3_CTX ctx;
693 		X509V3_set_ctx_test(&ctx);
694 		X509V3_set_nconf(&ctx, req_conf);
695 		if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
696 			BIO_printf(bio_err,
697 			 "Error Loading request extension section %s\n",
698 								req_exts);
699 			goto end;
700 		}
701 	}
702 
703 	in=BIO_new(BIO_s_file());
704 	out=BIO_new(BIO_s_file());
705 	if ((in == NULL) || (out == NULL))
706 		goto end;
707 
708 #ifndef OPENSSL_NO_ENGINE
709         e = setup_engine(bio_err, engine, 0);
710 #endif
711 
712 	if (keyfile != NULL)
713 		{
714 		pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
715 			"Private Key");
716 		if (!pkey)
717 			{
718 			/* load_key() has already printed an appropriate
719 			   message */
720 			goto end;
721 			}
722 		if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA ||
723 			EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
724 			{
725 			char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
726 			if (randfile == NULL)
727 				ERR_clear_error();
728 			app_RAND_load_file(randfile, bio_err, 0);
729 			}
730 		}
731 
732 	if (newreq && (pkey == NULL))
733 		{
734 #ifndef OPENSSL_NO_RSA
735 		BN_GENCB cb;
736 #endif
737 		char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
738 		if (randfile == NULL)
739 			ERR_clear_error();
740 		app_RAND_load_file(randfile, bio_err, 0);
741 		if (inrand)
742 			app_RAND_load_files(inrand);
743 
744 		if (newkey <= 0)
745 			{
746 			if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
747 				newkey=DEFAULT_KEY_LENGTH;
748 			}
749 
750 		if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
751 			{
752 			BIO_printf(bio_err,"private key length is too short,\n");
753 			BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
754 			goto end;
755 			}
756 		BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
757 			newkey,(pkey_type == TYPE_RSA)?"RSA":
758 			(pkey_type == TYPE_DSA)?"DSA":"EC");
759 
760 		if ((pkey=EVP_PKEY_new()) == NULL) goto end;
761 
762 #ifndef OPENSSL_NO_RSA
763 		BN_GENCB_set(&cb, req_cb, bio_err);
764 		if (pkey_type == TYPE_RSA)
765 			{
766 			RSA *rsa = RSA_new();
767 			BIGNUM *bn = BN_new();
768 			if(!bn || !rsa || !BN_set_word(bn, 0x10001) ||
769 					!RSA_generate_key_ex(rsa, newkey, bn, &cb) ||
770 					!EVP_PKEY_assign_RSA(pkey, rsa))
771 				{
772 				if(bn) BN_free(bn);
773 				if(rsa) RSA_free(rsa);
774 				goto end;
775 				}
776 			BN_free(bn);
777 			}
778 		else
779 #endif
780 #ifndef OPENSSL_NO_DSA
781 			if (pkey_type == TYPE_DSA)
782 			{
783 			if (!DSA_generate_key(dsa_params)) goto end;
784 			if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
785 			dsa_params=NULL;
786 			}
787 #endif
788 #ifndef OPENSSL_NO_ECDSA
789 			if (pkey_type == TYPE_EC)
790 			{
791 			if (!EC_KEY_generate_key(ec_params)) goto end;
792 			if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
793 				goto end;
794 			ec_params = NULL;
795 			}
796 #endif
797 
798 		app_RAND_write_file(randfile, bio_err);
799 
800 		if (pkey == NULL) goto end;
801 
802 		if (keyout == NULL)
803 			{
804 			keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
805 			if (keyout == NULL)
806 				ERR_clear_error();
807 			}
808 
809 		if (keyout == NULL)
810 			{
811 			BIO_printf(bio_err,"writing new private key to stdout\n");
812 			BIO_set_fp(out,stdout,BIO_NOCLOSE);
813 #ifdef OPENSSL_SYS_VMS
814 			{
815 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
816 			out = BIO_push(tmpbio, out);
817 			}
818 #endif
819 			}
820 		else
821 			{
822 			BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
823 			if (BIO_write_filename(out,keyout) <= 0)
824 				{
825 				perror(keyout);
826 				goto end;
827 				}
828 			}
829 
830 		p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
831 		if (p == NULL)
832 			{
833 			ERR_clear_error();
834 			p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
835 			if (p == NULL)
836 				ERR_clear_error();
837 			}
838 		if ((p != NULL) && (strcmp(p,"no") == 0))
839 			cipher=NULL;
840 		if (nodes) cipher=NULL;
841 
842 		i=0;
843 loop:
844 		if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
845 			NULL,0,NULL,passout))
846 			{
847 			if ((ERR_GET_REASON(ERR_peek_error()) ==
848 				PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
849 				{
850 				ERR_clear_error();
851 				i++;
852 				goto loop;
853 				}
854 			goto end;
855 			}
856 		BIO_printf(bio_err,"-----\n");
857 		}
858 
859 	if (!newreq)
860 		{
861 		/* Since we are using a pre-existing certificate
862 		 * request, the kludge 'format' info should not be
863 		 * changed. */
864 		kludge= -1;
865 		if (infile == NULL)
866 			BIO_set_fp(in,stdin,BIO_NOCLOSE);
867 		else
868 			{
869 			if (BIO_read_filename(in,infile) <= 0)
870 				{
871 				perror(infile);
872 				goto end;
873 				}
874 			}
875 
876 		if	(informat == FORMAT_ASN1)
877 			req=d2i_X509_REQ_bio(in,NULL);
878 		else if (informat == FORMAT_PEM)
879 			req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
880 		else
881 			{
882 			BIO_printf(bio_err,"bad input format specified for X509 request\n");
883 			goto end;
884 			}
885 		if (req == NULL)
886 			{
887 			BIO_printf(bio_err,"unable to load X509 request\n");
888 			goto end;
889 			}
890 		}
891 
892 	if (newreq || x509)
893 		{
894 		if (pkey == NULL)
895 			{
896 			BIO_printf(bio_err,"you need to specify a private key\n");
897 			goto end;
898 			}
899 #ifndef OPENSSL_NO_DSA
900 		if (pkey->type == EVP_PKEY_DSA)
901 			digest=EVP_dss1();
902 #endif
903 #ifndef OPENSSL_NO_ECDSA
904 		if (pkey->type == EVP_PKEY_EC)
905 			digest=EVP_ecdsa();
906 #endif
907 		if (req == NULL)
908 			{
909 			req=X509_REQ_new();
910 			if (req == NULL)
911 				{
912 				goto end;
913 				}
914 
915 			i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
916 			subj=NULL; /* done processing '-subj' option */
917 			if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
918 				{
919 				sk_X509_ATTRIBUTE_free(req->req_info->attributes);
920 				req->req_info->attributes = NULL;
921 				}
922 			if (!i)
923 				{
924 				BIO_printf(bio_err,"problems making Certificate Request\n");
925 				goto end;
926 				}
927 			}
928 		if (x509)
929 			{
930 			EVP_PKEY *tmppkey;
931 			X509V3_CTX ext_ctx;
932 			if ((x509ss=X509_new()) == NULL) goto end;
933 
934 			/* Set version to V3 */
935 			if(extensions && !X509_set_version(x509ss, 2)) goto end;
936 			if (serial)
937 				{
938 				if (!X509_set_serialNumber(x509ss, serial)) goto end;
939 				}
940 			else
941 				{
942 				if (!rand_serial(NULL,
943 					X509_get_serialNumber(x509ss)))
944 						goto end;
945 				}
946 
947 			if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
948 			if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
949 			if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
950 			if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
951 			tmppkey = X509_REQ_get_pubkey(req);
952 			if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
953 			EVP_PKEY_free(tmppkey);
954 
955 			/* Set up V3 context struct */
956 
957 			X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
958 			X509V3_set_nconf(&ext_ctx, req_conf);
959 
960 			/* Add extensions */
961 			if(extensions && !X509V3_EXT_add_nconf(req_conf,
962 				 	&ext_ctx, extensions, x509ss))
963 				{
964 				BIO_printf(bio_err,
965 					"Error Loading extension section %s\n",
966 					extensions);
967 				goto end;
968 				}
969 
970 			if (!(i=X509_sign(x509ss,pkey,digest)))
971 				goto end;
972 			}
973 		else
974 			{
975 			X509V3_CTX ext_ctx;
976 
977 			/* Set up V3 context struct */
978 
979 			X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
980 			X509V3_set_nconf(&ext_ctx, req_conf);
981 
982 			/* Add extensions */
983 			if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
984 				 	&ext_ctx, req_exts, req))
985 				{
986 				BIO_printf(bio_err,
987 					"Error Loading extension section %s\n",
988 					req_exts);
989 				goto end;
990 				}
991 			if (!(i=X509_REQ_sign(req,pkey,digest)))
992 				goto end;
993 			}
994 		}
995 
996 	if (subj && x509)
997 		{
998 		BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
999 		goto end;
1000 		}
1001 
1002 	if (subj && !x509)
1003 		{
1004 		if (verbose)
1005 			{
1006 			BIO_printf(bio_err, "Modifying Request's Subject\n");
1007 			print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
1008 			}
1009 
1010 		if (build_subject(req, subj, chtype, multirdn) == 0)
1011 			{
1012 			BIO_printf(bio_err, "ERROR: cannot modify subject\n");
1013 			ex=1;
1014 			goto end;
1015 			}
1016 
1017 		req->req_info->enc.modified = 1;
1018 
1019 		if (verbose)
1020 			{
1021 			print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
1022 			}
1023 		}
1024 
1025 	if (verify && !x509)
1026 		{
1027 		int tmp=0;
1028 
1029 		if (pkey == NULL)
1030 			{
1031 			pkey=X509_REQ_get_pubkey(req);
1032 			tmp=1;
1033 			if (pkey == NULL) goto end;
1034 			}
1035 
1036 		i=X509_REQ_verify(req,pkey);
1037 		if (tmp) {
1038 			EVP_PKEY_free(pkey);
1039 			pkey=NULL;
1040 		}
1041 
1042 		if (i < 0)
1043 			{
1044 			goto end;
1045 			}
1046 		else if (i == 0)
1047 			{
1048 			BIO_printf(bio_err,"verify failure\n");
1049 			ERR_print_errors(bio_err);
1050 			}
1051 		else /* if (i > 0) */
1052 			BIO_printf(bio_err,"verify OK\n");
1053 		}
1054 
1055 	if (noout && !text && !modulus && !subject && !pubkey)
1056 		{
1057 		ex=0;
1058 		goto end;
1059 		}
1060 
1061 	if (outfile == NULL)
1062 		{
1063 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
1064 #ifdef OPENSSL_SYS_VMS
1065 		{
1066 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1067 		out = BIO_push(tmpbio, out);
1068 		}
1069 #endif
1070 		}
1071 	else
1072 		{
1073 		if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1074 			i=(int)BIO_append_filename(out,outfile);
1075 		else
1076 			i=(int)BIO_write_filename(out,outfile);
1077 		if (!i)
1078 			{
1079 			perror(outfile);
1080 			goto end;
1081 			}
1082 		}
1083 
1084 	if (pubkey)
1085 		{
1086 		EVP_PKEY *tpubkey;
1087 		tpubkey=X509_REQ_get_pubkey(req);
1088 		if (tpubkey == NULL)
1089 			{
1090 			BIO_printf(bio_err,"Error getting public key\n");
1091 			ERR_print_errors(bio_err);
1092 			goto end;
1093 			}
1094 		PEM_write_bio_PUBKEY(out, tpubkey);
1095 		EVP_PKEY_free(tpubkey);
1096 		}
1097 
1098 	if (text)
1099 		{
1100 		if (x509)
1101 			X509_print_ex(out, x509ss, nmflag, reqflag);
1102 		else
1103 			X509_REQ_print_ex(out, req, nmflag, reqflag);
1104 		}
1105 
1106 	if(subject)
1107 		{
1108 		if(x509)
1109 			print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1110 		else
1111 			print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1112 		}
1113 
1114 	if (modulus)
1115 		{
1116 		EVP_PKEY *tpubkey;
1117 
1118 		if (x509)
1119 			tpubkey=X509_get_pubkey(x509ss);
1120 		else
1121 			tpubkey=X509_REQ_get_pubkey(req);
1122 		if (tpubkey == NULL)
1123 			{
1124 			fprintf(stdout,"Modulus=unavailable\n");
1125 			goto end;
1126 			}
1127 		fprintf(stdout,"Modulus=");
1128 #ifndef OPENSSL_NO_RSA
1129 		if (tpubkey->type == EVP_PKEY_RSA)
1130 			BN_print(out,tpubkey->pkey.rsa->n);
1131 		else
1132 #endif
1133 			fprintf(stdout,"Wrong Algorithm type");
1134 		EVP_PKEY_free(tpubkey);
1135 		fprintf(stdout,"\n");
1136 		}
1137 
1138 	if (!noout && !x509)
1139 		{
1140 		if 	(outformat == FORMAT_ASN1)
1141 			i=i2d_X509_REQ_bio(out,req);
1142 		else if (outformat == FORMAT_PEM) {
1143 			if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1144 			else i=PEM_write_bio_X509_REQ(out,req);
1145 		} else {
1146 			BIO_printf(bio_err,"bad output format specified for outfile\n");
1147 			goto end;
1148 			}
1149 		if (!i)
1150 			{
1151 			BIO_printf(bio_err,"unable to write X509 request\n");
1152 			goto end;
1153 			}
1154 		}
1155 	if (!noout && x509 && (x509ss != NULL))
1156 		{
1157 		if 	(outformat == FORMAT_ASN1)
1158 			i=i2d_X509_bio(out,x509ss);
1159 		else if (outformat == FORMAT_PEM)
1160 			i=PEM_write_bio_X509(out,x509ss);
1161 		else	{
1162 			BIO_printf(bio_err,"bad output format specified for outfile\n");
1163 			goto end;
1164 			}
1165 		if (!i)
1166 			{
1167 			BIO_printf(bio_err,"unable to write X509 certificate\n");
1168 			goto end;
1169 			}
1170 		}
1171 	ex=0;
1172 end:
1173 #ifndef MONOLITH
1174 	if(to_free)
1175 		OPENSSL_free(to_free);
1176 #endif
1177 	if (ex)
1178 		{
1179 		ERR_print_errors(bio_err);
1180 		}
1181 	if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1182 	BIO_free(in);
1183 	BIO_free_all(out);
1184 	EVP_PKEY_free(pkey);
1185 	X509_REQ_free(req);
1186 	X509_free(x509ss);
1187 	ASN1_INTEGER_free(serial);
1188 	if(passargin && passin) OPENSSL_free(passin);
1189 	if(passargout && passout) OPENSSL_free(passout);
1190 	OBJ_cleanup();
1191 #ifndef OPENSSL_NO_DSA
1192 	if (dsa_params != NULL) DSA_free(dsa_params);
1193 #endif
1194 #ifndef OPENSSL_NO_ECDSA
1195 	if (ec_params != NULL) EC_KEY_free(ec_params);
1196 #endif
1197 	apps_shutdown();
1198 	OPENSSL_EXIT(ex);
1199 	}
1200 
1201 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1202 			int attribs, unsigned long chtype)
1203 	{
1204 	int ret=0,i;
1205 	char no_prompt = 0;
1206 	STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1207 	char *tmp, *dn_sect,*attr_sect;
1208 
1209 	tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1210 	if (tmp == NULL)
1211 		ERR_clear_error();
1212 	if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1213 
1214 	dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1215 	if (dn_sect == NULL)
1216 		{
1217 		BIO_printf(bio_err,"unable to find '%s' in config\n",
1218 			DISTINGUISHED_NAME);
1219 		goto err;
1220 		}
1221 	dn_sk=NCONF_get_section(req_conf,dn_sect);
1222 	if (dn_sk == NULL)
1223 		{
1224 		BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1225 		goto err;
1226 		}
1227 
1228 	attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1229 	if (attr_sect == NULL)
1230 		{
1231 		ERR_clear_error();
1232 		attr_sk=NULL;
1233 		}
1234 	else
1235 		{
1236 		attr_sk=NCONF_get_section(req_conf,attr_sect);
1237 		if (attr_sk == NULL)
1238 			{
1239 			BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1240 			goto err;
1241 			}
1242 		}
1243 
1244 	/* setup version number */
1245 	if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1246 
1247 	if (no_prompt)
1248 		i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1249 	else
1250 		{
1251 		if (subj)
1252 			i = build_subject(req, subj, chtype, multirdn);
1253 		else
1254 			i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1255 		}
1256 	if(!i) goto err;
1257 
1258 	if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1259 
1260 	ret=1;
1261 err:
1262 	return(ret);
1263 	}
1264 
1265 /*
1266  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1267  * where characters may be escaped by \
1268  */
1269 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1270 	{
1271 	X509_NAME *n;
1272 
1273 	if (!(n = parse_name(subject, chtype, multirdn)))
1274 		return 0;
1275 
1276 	if (!X509_REQ_set_subject_name(req, n))
1277 		{
1278 		X509_NAME_free(n);
1279 		return 0;
1280 		}
1281 	X509_NAME_free(n);
1282 	return 1;
1283 }
1284 
1285 
1286 static int prompt_info(X509_REQ *req,
1287 		STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1288 		STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1289 		unsigned long chtype)
1290 	{
1291 	int i;
1292 	char *p,*q;
1293 	char buf[100];
1294 	int nid, mval;
1295 	long n_min,n_max;
1296 	char *type, *value;
1297 	const char *def;
1298 	CONF_VALUE *v;
1299 	X509_NAME *subj;
1300 	subj = X509_REQ_get_subject_name(req);
1301 
1302 	if(!batch)
1303 		{
1304 		BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1305 		BIO_printf(bio_err,"into your certificate request.\n");
1306 		BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1307 		BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1308 		BIO_printf(bio_err,"For some fields there will be a default value,\n");
1309 		BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1310 		BIO_printf(bio_err,"-----\n");
1311 		}
1312 
1313 
1314 	if (sk_CONF_VALUE_num(dn_sk))
1315 		{
1316 		i= -1;
1317 start:		for (;;)
1318 			{
1319 			i++;
1320 			if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1321 
1322 			v=sk_CONF_VALUE_value(dn_sk,i);
1323 			p=q=NULL;
1324 			type=v->name;
1325 			if(!check_end(type,"_min") || !check_end(type,"_max") ||
1326 				!check_end(type,"_default") ||
1327 					 !check_end(type,"_value")) continue;
1328 			/* Skip past any leading X. X: X, etc to allow for
1329 			 * multiple instances
1330 			 */
1331 			for(p = v->name; *p ; p++)
1332 				if ((*p == ':') || (*p == ',') ||
1333 							 (*p == '.')) {
1334 					p++;
1335 					if(*p) type = p;
1336 					break;
1337 				}
1338 			if (*type == '+')
1339 				{
1340 				mval = -1;
1341 				type++;
1342 				}
1343 			else
1344 				mval = 0;
1345 			/* If OBJ not recognised ignore it */
1346 			if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1347 			if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1348 				>= (int)sizeof(buf))
1349 			   {
1350 			   BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1351 			   return 0;
1352 			   }
1353 
1354 			if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1355 				{
1356 				ERR_clear_error();
1357 				def="";
1358 				}
1359 
1360 			BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1361 			if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1362 				{
1363 				ERR_clear_error();
1364 				value=NULL;
1365 				}
1366 
1367 			BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1368 			if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1369 				{
1370 				ERR_clear_error();
1371 				n_min = -1;
1372 				}
1373 
1374 			BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1375 			if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1376 				{
1377 				ERR_clear_error();
1378 				n_max = -1;
1379 				}
1380 
1381 			if (!add_DN_object(subj,v->value,def,value,nid,
1382 				n_min,n_max, chtype, mval))
1383 				return 0;
1384 			}
1385 		if (X509_NAME_entry_count(subj) == 0)
1386 			{
1387 			BIO_printf(bio_err,"error, no objects specified in config file\n");
1388 			return 0;
1389 			}
1390 
1391 		if (attribs)
1392 			{
1393 			if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1394 				{
1395 				BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1396 				BIO_printf(bio_err,"to be sent with your certificate request\n");
1397 				}
1398 
1399 			i= -1;
1400 start2:			for (;;)
1401 				{
1402 				i++;
1403 				if ((attr_sk == NULL) ||
1404 					    (sk_CONF_VALUE_num(attr_sk) <= i))
1405 					break;
1406 
1407 				v=sk_CONF_VALUE_value(attr_sk,i);
1408 				type=v->name;
1409 				if ((nid=OBJ_txt2nid(type)) == NID_undef)
1410 					goto start2;
1411 
1412 				if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1413 					>= (int)sizeof(buf))
1414 				   {
1415 				   BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1416 				   return 0;
1417 				   }
1418 
1419 				if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1420 					== NULL)
1421 					{
1422 					ERR_clear_error();
1423 					def="";
1424 					}
1425 
1426 
1427 				BIO_snprintf(buf,sizeof buf,"%s_value",type);
1428 				if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1429 					== NULL)
1430 					{
1431 					ERR_clear_error();
1432 					value=NULL;
1433 					}
1434 
1435 				BIO_snprintf(buf,sizeof buf,"%s_min",type);
1436 				if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1437 					n_min = -1;
1438 
1439 				BIO_snprintf(buf,sizeof buf,"%s_max",type);
1440 				if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1441 					n_max = -1;
1442 
1443 				if (!add_attribute_object(req,
1444 					v->value,def,value,nid,n_min,n_max, chtype))
1445 					return 0;
1446 				}
1447 			}
1448 		}
1449 	else
1450 		{
1451 		BIO_printf(bio_err,"No template, please set one up.\n");
1452 		return 0;
1453 		}
1454 
1455 	return 1;
1456 
1457 	}
1458 
1459 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1460 			STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1461 	{
1462 	int i;
1463 	char *p,*q;
1464 	char *type;
1465 	CONF_VALUE *v;
1466 	X509_NAME *subj;
1467 
1468 	subj = X509_REQ_get_subject_name(req);
1469 
1470 	for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1471 		{
1472 		int mval;
1473 		v=sk_CONF_VALUE_value(dn_sk,i);
1474 		p=q=NULL;
1475 		type=v->name;
1476 		/* Skip past any leading X. X: X, etc to allow for
1477 		 * multiple instances
1478 		 */
1479 		for(p = v->name; *p ; p++)
1480 #ifndef CHARSET_EBCDIC
1481 			if ((*p == ':') || (*p == ',') || (*p == '.')) {
1482 #else
1483 			if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1484 #endif
1485 				p++;
1486 				if(*p) type = p;
1487 				break;
1488 			}
1489 #ifndef CHARSET_EBCDIC
1490 		if (*p == '+')
1491 #else
1492 		if (*p == os_toascii['+'])
1493 #endif
1494 			{
1495 			p++;
1496 			mval = -1;
1497 			}
1498 		else
1499 			mval = 0;
1500 		if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1501 				(unsigned char *) v->value,-1,-1,mval)) return 0;
1502 
1503 		}
1504 
1505 		if (!X509_NAME_entry_count(subj))
1506 			{
1507 			BIO_printf(bio_err,"error, no objects specified in config file\n");
1508 			return 0;
1509 			}
1510 		if (attribs)
1511 			{
1512 			for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1513 				{
1514 				v=sk_CONF_VALUE_value(attr_sk,i);
1515 				if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1516 					(unsigned char *)v->value, -1)) return 0;
1517 				}
1518 			}
1519 	return 1;
1520 	}
1521 
1522 
1523 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1524 	     int nid, int n_min, int n_max, unsigned long chtype, int mval)
1525 	{
1526 	int i,ret=0;
1527 	MS_STATIC char buf[1024];
1528 start:
1529 	if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1530 	(void)BIO_flush(bio_err);
1531 	if(value != NULL)
1532 		{
1533 		BUF_strlcpy(buf,value,sizeof buf);
1534 		BUF_strlcat(buf,"\n",sizeof buf);
1535 		BIO_printf(bio_err,"%s\n",value);
1536 		}
1537 	else
1538 		{
1539 		buf[0]='\0';
1540 		if (!batch)
1541 			{
1542 			fgets(buf,sizeof buf,stdin);
1543 			}
1544 		else
1545 			{
1546 			buf[0] = '\n';
1547 			buf[1] = '\0';
1548 			}
1549 		}
1550 
1551 	if (buf[0] == '\0') return(0);
1552 	else if (buf[0] == '\n')
1553 		{
1554 		if ((def == NULL) || (def[0] == '\0'))
1555 			return(1);
1556 		BUF_strlcpy(buf,def,sizeof buf);
1557 		BUF_strlcat(buf,"\n",sizeof buf);
1558 		}
1559 	else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1560 
1561 	i=strlen(buf);
1562 	if (buf[i-1] != '\n')
1563 		{
1564 		BIO_printf(bio_err,"weird input :-(\n");
1565 		return(0);
1566 		}
1567 	buf[--i]='\0';
1568 #ifdef CHARSET_EBCDIC
1569 	ebcdic2ascii(buf, buf, i);
1570 #endif
1571 	if(!req_check_len(i, n_min, n_max)) goto start;
1572 	if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1573 				(unsigned char *) buf, -1,-1,mval)) goto err;
1574 	ret=1;
1575 err:
1576 	return(ret);
1577 	}
1578 
1579 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1580 				char *value, int nid, int n_min,
1581 				int n_max, unsigned long chtype)
1582 	{
1583 	int i;
1584 	static char buf[1024];
1585 
1586 start:
1587 	if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1588 	(void)BIO_flush(bio_err);
1589 	if (value != NULL)
1590 		{
1591 		BUF_strlcpy(buf,value,sizeof buf);
1592 		BUF_strlcat(buf,"\n",sizeof buf);
1593 		BIO_printf(bio_err,"%s\n",value);
1594 		}
1595 	else
1596 		{
1597 		buf[0]='\0';
1598 		if (!batch)
1599 			{
1600 			fgets(buf,sizeof buf,stdin);
1601 			}
1602 		else
1603 			{
1604 			buf[0] = '\n';
1605 			buf[1] = '\0';
1606 			}
1607 		}
1608 
1609 	if (buf[0] == '\0') return(0);
1610 	else if (buf[0] == '\n')
1611 		{
1612 		if ((def == NULL) || (def[0] == '\0'))
1613 			return(1);
1614 		BUF_strlcpy(buf,def,sizeof buf);
1615 		BUF_strlcat(buf,"\n",sizeof buf);
1616 		}
1617 	else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1618 
1619 	i=strlen(buf);
1620 	if (buf[i-1] != '\n')
1621 		{
1622 		BIO_printf(bio_err,"weird input :-(\n");
1623 		return(0);
1624 		}
1625 	buf[--i]='\0';
1626 #ifdef CHARSET_EBCDIC
1627 	ebcdic2ascii(buf, buf, i);
1628 #endif
1629 	if(!req_check_len(i, n_min, n_max)) goto start;
1630 
1631 	if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1632 					(unsigned char *)buf, -1)) {
1633 		BIO_printf(bio_err, "Error adding attribute\n");
1634 		ERR_print_errors(bio_err);
1635 		goto err;
1636 	}
1637 
1638 	return(1);
1639 err:
1640 	return(0);
1641 	}
1642 
1643 #ifndef OPENSSL_NO_RSA
1644 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb)
1645 	{
1646 	char c='*';
1647 
1648 	if (p == 0) c='.';
1649 	if (p == 1) c='+';
1650 	if (p == 2) c='*';
1651 	if (p == 3) c='\n';
1652 	BIO_write(cb->arg,&c,1);
1653 	(void)BIO_flush(cb->arg);
1654 #ifdef LINT
1655 	p=n;
1656 #endif
1657 	return 1;
1658 	}
1659 #endif
1660 
1661 static int req_check_len(int len, int n_min, int n_max)
1662 	{
1663 	if ((n_min > 0) && (len < n_min))
1664 		{
1665 		BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1666 		return(0);
1667 		}
1668 	if ((n_max >= 0) && (len > n_max))
1669 		{
1670 		BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1671 		return(0);
1672 		}
1673 	return(1);
1674 	}
1675 
1676 /* Check if the end of a string matches 'end' */
1677 static int check_end(const char *str, const char *end)
1678 {
1679 	int elen, slen;
1680 	const char *tmp;
1681 	elen = strlen(end);
1682 	slen = strlen(str);
1683 	if(elen > slen) return 1;
1684 	tmp = str + slen - elen;
1685 	return strcmp(tmp, end);
1686 }
1687