xref: /freebsd/crypto/openssl/apps/req.c (revision 6b3455a7665208c366849f0b2b3bc916fb97516e)
1 /* apps/req.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 
59 #include <stdio.h>
60 #include <stdlib.h>
61 #include <time.h>
62 #include <string.h>
63 #ifdef OPENSSL_NO_STDIO
64 #define APPS_WIN16
65 #endif
66 #include "apps.h"
67 #include <openssl/bio.h>
68 #include <openssl/evp.h>
69 #include <openssl/conf.h>
70 #include <openssl/err.h>
71 #include <openssl/asn1.h>
72 #include <openssl/x509.h>
73 #include <openssl/x509v3.h>
74 #include <openssl/objects.h>
75 #include <openssl/pem.h>
76 #include "../crypto/cryptlib.h"
77 
78 #define SECTION		"req"
79 
80 #define BITS		"default_bits"
81 #define KEYFILE		"default_keyfile"
82 #define PROMPT		"prompt"
83 #define DISTINGUISHED_NAME	"distinguished_name"
84 #define ATTRIBUTES	"attributes"
85 #define V3_EXTENSIONS	"x509_extensions"
86 #define REQ_EXTENSIONS	"req_extensions"
87 #define STRING_MASK	"string_mask"
88 #define UTF8_IN		"utf8"
89 
90 #define DEFAULT_KEY_LENGTH	512
91 #define MIN_KEY_LENGTH		384
92 
93 #undef PROG
94 #define PROG	req_main
95 
96 /* -inform arg	- input format - default PEM (DER or PEM)
97  * -outform arg - output format - default PEM
98  * -in arg	- input file - default stdin
99  * -out arg	- output file - default stdout
100  * -verify	- check request signature
101  * -noout	- don't print stuff out.
102  * -text	- print out human readable text.
103  * -nodes	- no des encryption
104  * -config file	- Load configuration file.
105  * -key file	- make a request using key in file (or use it for verification).
106  * -keyform arg	- key file format.
107  * -rand file(s) - load the file(s) into the PRNG.
108  * -newkey	- make a key and a request.
109  * -modulus	- print RSA modulus.
110  * -pubkey	- output Public Key.
111  * -x509	- output a self signed X509 structure instead.
112  * -asn1-kludge	- output new certificate request in a format that some CA's
113  *		  require.  This format is wrong
114  */
115 
116 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
117 		unsigned long chtype);
118 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
119 static int prompt_info(X509_REQ *req,
120 		STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
121 		STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
122 		unsigned long chtype);
123 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
124 				STACK_OF(CONF_VALUE) *attr, int attribs,
125 				unsigned long chtype);
126 static int add_attribute_object(X509_REQ *req, char *text,
127 				char *def, char *value, int nid, int n_min,
128 				int n_max, unsigned long chtype);
129 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
130 	int nid,int n_min,int n_max, unsigned long chtype);
131 #ifndef OPENSSL_NO_RSA
132 static void MS_CALLBACK req_cb(int p,int n,void *arg);
133 #endif
134 static int req_check_len(int len,int n_min,int n_max);
135 static int check_end(char *str, char *end);
136 #ifndef MONOLITH
137 static char *default_config_file=NULL;
138 #endif
139 static CONF *req_conf=NULL;
140 static int batch=0;
141 
142 #define TYPE_RSA	1
143 #define TYPE_DSA	2
144 #define TYPE_DH		3
145 
146 int MAIN(int, char **);
147 
148 int MAIN(int argc, char **argv)
149 	{
150 	ENGINE *e = NULL;
151 #ifndef OPENSSL_NO_DSA
152 	DSA *dsa_params=NULL;
153 #endif
154 	unsigned long nmflag = 0, reqflag = 0;
155 	int ex=1,x509=0,days=30;
156 	X509 *x509ss=NULL;
157 	X509_REQ *req=NULL;
158 	EVP_PKEY *pkey=NULL;
159 	int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
160 	long newkey = -1;
161 	BIO *in=NULL,*out=NULL;
162 	int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
163 	int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
164 	char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
165 #ifndef OPENSSL_NO_ENGINE
166 	char *engine=NULL;
167 #endif
168 	char *extensions = NULL;
169 	char *req_exts = NULL;
170 	const EVP_CIPHER *cipher=NULL;
171 	ASN1_INTEGER *serial = NULL;
172 	int modulus=0;
173 	char *inrand=NULL;
174 	char *passargin = NULL, *passargout = NULL;
175 	char *passin = NULL, *passout = NULL;
176 	char *p;
177 	char *subj = NULL;
178 	const EVP_MD *md_alg=NULL,*digest=EVP_md5();
179 	unsigned long chtype = MBSTRING_ASC;
180 #ifndef MONOLITH
181 	char *to_free;
182 	long errline;
183 #endif
184 
185 	req_conf = NULL;
186 #ifndef OPENSSL_NO_DES
187 	cipher=EVP_des_ede3_cbc();
188 #endif
189 	apps_startup();
190 
191 	if (bio_err == NULL)
192 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
193 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
194 
195 	infile=NULL;
196 	outfile=NULL;
197 	informat=FORMAT_PEM;
198 	outformat=FORMAT_PEM;
199 
200 	prog=argv[0];
201 	argc--;
202 	argv++;
203 	while (argc >= 1)
204 		{
205 		if 	(strcmp(*argv,"-inform") == 0)
206 			{
207 			if (--argc < 1) goto bad;
208 			informat=str2fmt(*(++argv));
209 			}
210 		else if (strcmp(*argv,"-outform") == 0)
211 			{
212 			if (--argc < 1) goto bad;
213 			outformat=str2fmt(*(++argv));
214 			}
215 #ifndef OPENSSL_NO_ENGINE
216 		else if (strcmp(*argv,"-engine") == 0)
217 			{
218 			if (--argc < 1) goto bad;
219 			engine= *(++argv);
220 			}
221 #endif
222 		else if (strcmp(*argv,"-key") == 0)
223 			{
224 			if (--argc < 1) goto bad;
225 			keyfile= *(++argv);
226 			}
227 		else if (strcmp(*argv,"-pubkey") == 0)
228 			{
229 			pubkey=1;
230 			}
231 		else if (strcmp(*argv,"-new") == 0)
232 			{
233 			newreq=1;
234 			}
235 		else if (strcmp(*argv,"-config") == 0)
236 			{
237 			if (--argc < 1) goto bad;
238 			template= *(++argv);
239 			}
240 		else if (strcmp(*argv,"-keyform") == 0)
241 			{
242 			if (--argc < 1) goto bad;
243 			keyform=str2fmt(*(++argv));
244 			}
245 		else if (strcmp(*argv,"-in") == 0)
246 			{
247 			if (--argc < 1) goto bad;
248 			infile= *(++argv);
249 			}
250 		else if (strcmp(*argv,"-out") == 0)
251 			{
252 			if (--argc < 1) goto bad;
253 			outfile= *(++argv);
254 			}
255 		else if (strcmp(*argv,"-keyout") == 0)
256 			{
257 			if (--argc < 1) goto bad;
258 			keyout= *(++argv);
259 			}
260 		else if (strcmp(*argv,"-passin") == 0)
261 			{
262 			if (--argc < 1) goto bad;
263 			passargin= *(++argv);
264 			}
265 		else if (strcmp(*argv,"-passout") == 0)
266 			{
267 			if (--argc < 1) goto bad;
268 			passargout= *(++argv);
269 			}
270 		else if (strcmp(*argv,"-rand") == 0)
271 			{
272 			if (--argc < 1) goto bad;
273 			inrand= *(++argv);
274 			}
275 		else if (strcmp(*argv,"-newkey") == 0)
276 			{
277 			int is_numeric;
278 
279 			if (--argc < 1) goto bad;
280 			p= *(++argv);
281 			is_numeric = p[0] >= '0' && p[0] <= '9';
282 			if (strncmp("rsa:",p,4) == 0 || is_numeric)
283 				{
284 				pkey_type=TYPE_RSA;
285 				if(!is_numeric)
286 				    p+=4;
287 				newkey= atoi(p);
288 				}
289 			else
290 #ifndef OPENSSL_NO_DSA
291 				if (strncmp("dsa:",p,4) == 0)
292 				{
293 				X509 *xtmp=NULL;
294 				EVP_PKEY *dtmp;
295 
296 				pkey_type=TYPE_DSA;
297 				p+=4;
298 				if ((in=BIO_new_file(p,"r")) == NULL)
299 					{
300 					perror(p);
301 					goto end;
302 					}
303 				if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
304 					{
305 					ERR_clear_error();
306 					(void)BIO_reset(in);
307 					if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
308 						{
309 						BIO_printf(bio_err,"unable to load DSA parameters from file\n");
310 						goto end;
311 						}
312 
313 					if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
314 					if (dtmp->type == EVP_PKEY_DSA)
315 						dsa_params=DSAparams_dup(dtmp->pkey.dsa);
316 					EVP_PKEY_free(dtmp);
317 					X509_free(xtmp);
318 					if (dsa_params == NULL)
319 						{
320 						BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
321 						goto end;
322 						}
323 					}
324 				BIO_free(in);
325 				newkey=BN_num_bits(dsa_params->p);
326 				in=NULL;
327 				}
328 			else
329 #endif
330 #ifndef OPENSSL_NO_DH
331 				if (strncmp("dh:",p,4) == 0)
332 				{
333 				pkey_type=TYPE_DH;
334 				p+=3;
335 				}
336 			else
337 #endif
338 				pkey_type=TYPE_RSA;
339 
340 			newreq=1;
341 			}
342 		else if (strcmp(*argv,"-batch") == 0)
343 			batch=1;
344 		else if (strcmp(*argv,"-newhdr") == 0)
345 			newhdr=1;
346 		else if (strcmp(*argv,"-modulus") == 0)
347 			modulus=1;
348 		else if (strcmp(*argv,"-verify") == 0)
349 			verify=1;
350 		else if (strcmp(*argv,"-nodes") == 0)
351 			nodes=1;
352 		else if (strcmp(*argv,"-noout") == 0)
353 			noout=1;
354 		else if (strcmp(*argv,"-verbose") == 0)
355 			verbose=1;
356 		else if (strcmp(*argv,"-utf8") == 0)
357 			chtype = MBSTRING_UTF8;
358 		else if (strcmp(*argv,"-nameopt") == 0)
359 			{
360 			if (--argc < 1) goto bad;
361 			if (!set_name_ex(&nmflag, *(++argv))) goto bad;
362 			}
363 		else if (strcmp(*argv,"-reqopt") == 0)
364 			{
365 			if (--argc < 1) goto bad;
366 			if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
367 			}
368 		else if (strcmp(*argv,"-subject") == 0)
369 			subject=1;
370 		else if (strcmp(*argv,"-text") == 0)
371 			text=1;
372 		else if (strcmp(*argv,"-x509") == 0)
373 			x509=1;
374 		else if (strcmp(*argv,"-asn1-kludge") == 0)
375 			kludge=1;
376 		else if (strcmp(*argv,"-no-asn1-kludge") == 0)
377 			kludge=0;
378 		else if (strcmp(*argv,"-subj") == 0)
379 			{
380 			if (--argc < 1) goto bad;
381 			subj= *(++argv);
382 			}
383 		else if (strcmp(*argv,"-days") == 0)
384 			{
385 			if (--argc < 1) goto bad;
386 			days= atoi(*(++argv));
387 			if (days == 0) days=30;
388 			}
389 		else if (strcmp(*argv,"-set_serial") == 0)
390 			{
391 			if (--argc < 1) goto bad;
392 			serial = s2i_ASN1_INTEGER(NULL, *(++argv));
393 			if (!serial) goto bad;
394 			}
395 		else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
396 			{
397 			/* ok */
398 			digest=md_alg;
399 			}
400 		else if (strcmp(*argv,"-extensions") == 0)
401 			{
402 			if (--argc < 1) goto bad;
403 			extensions = *(++argv);
404 			}
405 		else if (strcmp(*argv,"-reqexts") == 0)
406 			{
407 			if (--argc < 1) goto bad;
408 			req_exts = *(++argv);
409 			}
410 		else
411 			{
412 			BIO_printf(bio_err,"unknown option %s\n",*argv);
413 			badops=1;
414 			break;
415 			}
416 		argc--;
417 		argv++;
418 		}
419 
420 	if (badops)
421 		{
422 bad:
423 		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
424 		BIO_printf(bio_err,"where options  are\n");
425 		BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
426 		BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
427 		BIO_printf(bio_err," -in arg        input file\n");
428 		BIO_printf(bio_err," -out arg       output file\n");
429 		BIO_printf(bio_err," -text          text form of request\n");
430 		BIO_printf(bio_err," -pubkey        output public key\n");
431 		BIO_printf(bio_err," -noout         do not output REQ\n");
432 		BIO_printf(bio_err," -verify        verify signature on REQ\n");
433 		BIO_printf(bio_err," -modulus       RSA modulus\n");
434 		BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
435 #ifndef OPENSSL_NO_ENGINE
436 		BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
437 #endif
438 		BIO_printf(bio_err," -subject       output the request's subject\n");
439 		BIO_printf(bio_err," -passin        private key password source\n");
440 		BIO_printf(bio_err," -key file      use the private key contained in file\n");
441 		BIO_printf(bio_err," -keyform arg   key file format\n");
442 		BIO_printf(bio_err," -keyout arg    file to send the key to\n");
443 		BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
444 		BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
445 		BIO_printf(bio_err,"                the random number generator\n");
446 		BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
447 		BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
448 		BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
449 		BIO_printf(bio_err," -config file   request template file.\n");
450 		BIO_printf(bio_err," -subj arg      set or modify request subject\n");
451 		BIO_printf(bio_err," -new           new request.\n");
452 		BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
453 		BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
454 		BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
455 		BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
456 		BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
457 		BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
458 		BIO_printf(bio_err,"                have been reported as requiring\n");
459 		BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
460 		BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
461 		BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
462 		BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
463 		BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
464 		goto end;
465 		}
466 
467 	ERR_load_crypto_strings();
468 	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
469 		BIO_printf(bio_err, "Error getting passwords\n");
470 		goto end;
471 	}
472 
473 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
474 	/* Lets load up our environment a little */
475 	p=getenv("OPENSSL_CONF");
476 	if (p == NULL)
477 		p=getenv("SSLEAY_CONF");
478 	if (p == NULL)
479 		p=to_free=make_config_name();
480 	default_config_file=p;
481 	config=NCONF_new(NULL);
482 	i=NCONF_load(config, p, &errline);
483 #endif
484 
485 	if (template != NULL)
486 		{
487 		long errline = -1;
488 
489 		if( verbose )
490 			BIO_printf(bio_err,"Using configuration from %s\n",template);
491 		req_conf=NCONF_new(NULL);
492 		i=NCONF_load(req_conf,template,&errline);
493 		if (i == 0)
494 			{
495 			BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
496 			goto end;
497 			}
498 		}
499 	else
500 		{
501 		req_conf=config;
502 		if( verbose )
503 			BIO_printf(bio_err,"Using configuration from %s\n",
504 			default_config_file);
505 		if (req_conf == NULL)
506 			{
507 			BIO_printf(bio_err,"Unable to load config info\n");
508 			}
509 		}
510 
511 	if (req_conf != NULL)
512 		{
513 		if (!load_config(bio_err, req_conf))
514 			goto end;
515 		p=NCONF_get_string(req_conf,NULL,"oid_file");
516 		if (p == NULL)
517 			ERR_clear_error();
518 		if (p != NULL)
519 			{
520 			BIO *oid_bio;
521 
522 			oid_bio=BIO_new_file(p,"r");
523 			if (oid_bio == NULL)
524 				{
525 				/*
526 				BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
527 				ERR_print_errors(bio_err);
528 				*/
529 				}
530 			else
531 				{
532 				OBJ_create_objects(oid_bio);
533 				BIO_free(oid_bio);
534 				}
535 			}
536 		}
537 	if(!add_oid_section(bio_err, req_conf)) goto end;
538 
539 	if (md_alg == NULL)
540 		{
541 		p=NCONF_get_string(req_conf,SECTION,"default_md");
542 		if (p == NULL)
543 			ERR_clear_error();
544 		if (p != NULL)
545 			{
546 			if ((md_alg=EVP_get_digestbyname(p)) != NULL)
547 				digest=md_alg;
548 			}
549 		}
550 
551 	if (!extensions)
552 		{
553 		extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
554 		if (!extensions)
555 			ERR_clear_error();
556 		}
557 	if (extensions) {
558 		/* Check syntax of file */
559 		X509V3_CTX ctx;
560 		X509V3_set_ctx_test(&ctx);
561 		X509V3_set_nconf(&ctx, req_conf);
562 		if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
563 			BIO_printf(bio_err,
564 			 "Error Loading extension section %s\n", extensions);
565 			goto end;
566 		}
567 	}
568 
569 	if(!passin)
570 		{
571 		passin = NCONF_get_string(req_conf, SECTION, "input_password");
572 		if (!passin)
573 			ERR_clear_error();
574 		}
575 
576 	if(!passout)
577 		{
578 		passout = NCONF_get_string(req_conf, SECTION, "output_password");
579 		if (!passout)
580 			ERR_clear_error();
581 		}
582 
583 	p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
584 	if (!p)
585 		ERR_clear_error();
586 
587 	if(p && !ASN1_STRING_set_default_mask_asc(p)) {
588 		BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
589 		goto end;
590 	}
591 
592 	if (chtype != MBSTRING_UTF8)
593 		{
594 		p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
595 		if (!p)
596 			ERR_clear_error();
597 		else if (!strcmp(p, "yes"))
598 			chtype = MBSTRING_UTF8;
599 		}
600 
601 
602 	if(!req_exts)
603 		{
604 		req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
605 		if (!req_exts)
606 			ERR_clear_error();
607 		}
608 	if(req_exts) {
609 		/* Check syntax of file */
610 		X509V3_CTX ctx;
611 		X509V3_set_ctx_test(&ctx);
612 		X509V3_set_nconf(&ctx, req_conf);
613 		if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
614 			BIO_printf(bio_err,
615 			 "Error Loading request extension section %s\n",
616 								req_exts);
617 			goto end;
618 		}
619 	}
620 
621 	in=BIO_new(BIO_s_file());
622 	out=BIO_new(BIO_s_file());
623 	if ((in == NULL) || (out == NULL))
624 		goto end;
625 
626 #ifndef OPENSSL_NO_ENGINE
627         e = setup_engine(bio_err, engine, 0);
628 #endif
629 
630 	if (keyfile != NULL)
631 		{
632 		pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
633 			"Private Key");
634 		if (!pkey)
635 			{
636 			/* load_key() has already printed an appropriate
637 			   message */
638 			goto end;
639 			}
640 		if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
641 			{
642 			char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
643 			if (randfile == NULL)
644 				ERR_clear_error();
645 			app_RAND_load_file(randfile, bio_err, 0);
646 			}
647 		}
648 
649 	if (newreq && (pkey == NULL))
650 		{
651 		char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
652 		if (randfile == NULL)
653 			ERR_clear_error();
654 		app_RAND_load_file(randfile, bio_err, 0);
655 		if (inrand)
656 			app_RAND_load_files(inrand);
657 
658 		if (newkey <= 0)
659 			{
660 			if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
661 				newkey=DEFAULT_KEY_LENGTH;
662 			}
663 
664 		if (newkey < MIN_KEY_LENGTH)
665 			{
666 			BIO_printf(bio_err,"private key length is too short,\n");
667 			BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
668 			goto end;
669 			}
670 		BIO_printf(bio_err,"Generating a %d bit %s private key\n",
671 			newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
672 
673 		if ((pkey=EVP_PKEY_new()) == NULL) goto end;
674 
675 #ifndef OPENSSL_NO_RSA
676 		if (pkey_type == TYPE_RSA)
677 			{
678 			if (!EVP_PKEY_assign_RSA(pkey,
679 				RSA_generate_key(newkey,0x10001,
680 					req_cb,bio_err)))
681 				goto end;
682 			}
683 		else
684 #endif
685 #ifndef OPENSSL_NO_DSA
686 			if (pkey_type == TYPE_DSA)
687 			{
688 			if (!DSA_generate_key(dsa_params)) goto end;
689 			if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
690 			dsa_params=NULL;
691 			}
692 #endif
693 
694 		app_RAND_write_file(randfile, bio_err);
695 
696 		if (pkey == NULL) goto end;
697 
698 		if (keyout == NULL)
699 			{
700 			keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
701 			if (keyout == NULL)
702 				ERR_clear_error();
703 			}
704 
705 		if (keyout == NULL)
706 			{
707 			BIO_printf(bio_err,"writing new private key to stdout\n");
708 			BIO_set_fp(out,stdout,BIO_NOCLOSE);
709 #ifdef OPENSSL_SYS_VMS
710 			{
711 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
712 			out = BIO_push(tmpbio, out);
713 			}
714 #endif
715 			}
716 		else
717 			{
718 			BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
719 			if (BIO_write_filename(out,keyout) <= 0)
720 				{
721 				perror(keyout);
722 				goto end;
723 				}
724 			}
725 
726 		p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
727 		if (p == NULL)
728 			{
729 			ERR_clear_error();
730 			p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
731 			if (p == NULL)
732 				ERR_clear_error();
733 			}
734 		if ((p != NULL) && (strcmp(p,"no") == 0))
735 			cipher=NULL;
736 		if (nodes) cipher=NULL;
737 
738 		i=0;
739 loop:
740 		if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
741 			NULL,0,NULL,passout))
742 			{
743 			if ((ERR_GET_REASON(ERR_peek_error()) ==
744 				PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
745 				{
746 				ERR_clear_error();
747 				i++;
748 				goto loop;
749 				}
750 			goto end;
751 			}
752 		BIO_printf(bio_err,"-----\n");
753 		}
754 
755 	if (!newreq)
756 		{
757 		/* Since we are using a pre-existing certificate
758 		 * request, the kludge 'format' info should not be
759 		 * changed. */
760 		kludge= -1;
761 		if (infile == NULL)
762 			BIO_set_fp(in,stdin,BIO_NOCLOSE);
763 		else
764 			{
765 			if (BIO_read_filename(in,infile) <= 0)
766 				{
767 				perror(infile);
768 				goto end;
769 				}
770 			}
771 
772 		if	(informat == FORMAT_ASN1)
773 			req=d2i_X509_REQ_bio(in,NULL);
774 		else if (informat == FORMAT_PEM)
775 			req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
776 		else
777 			{
778 			BIO_printf(bio_err,"bad input format specified for X509 request\n");
779 			goto end;
780 			}
781 		if (req == NULL)
782 			{
783 			BIO_printf(bio_err,"unable to load X509 request\n");
784 			goto end;
785 			}
786 		}
787 
788 	if (newreq || x509)
789 		{
790 		if (pkey == NULL)
791 			{
792 			BIO_printf(bio_err,"you need to specify a private key\n");
793 			goto end;
794 			}
795 #ifndef OPENSSL_NO_DSA
796 		if (pkey->type == EVP_PKEY_DSA)
797 			digest=EVP_dss1();
798 #endif
799 		if (req == NULL)
800 			{
801 			req=X509_REQ_new();
802 			if (req == NULL)
803 				{
804 				goto end;
805 				}
806 
807 			i=make_REQ(req,pkey,subj,!x509, chtype);
808 			subj=NULL; /* done processing '-subj' option */
809 			if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
810 				{
811 				sk_X509_ATTRIBUTE_free(req->req_info->attributes);
812 				req->req_info->attributes = NULL;
813 				}
814 			if (!i)
815 				{
816 				BIO_printf(bio_err,"problems making Certificate Request\n");
817 				goto end;
818 				}
819 			}
820 		if (x509)
821 			{
822 			EVP_PKEY *tmppkey;
823 			X509V3_CTX ext_ctx;
824 			if ((x509ss=X509_new()) == NULL) goto end;
825 
826 			/* Set version to V3 */
827 			if(extensions && !X509_set_version(x509ss, 2)) goto end;
828 			if (serial)
829 				{
830 				if (!X509_set_serialNumber(x509ss, serial)) goto end;
831 				}
832 			else
833 				{
834 				if (!ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L)) goto end;
835 				}
836 
837 			if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
838 			if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
839 			if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
840 			if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
841 			tmppkey = X509_REQ_get_pubkey(req);
842 			if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
843 			EVP_PKEY_free(tmppkey);
844 
845 			/* Set up V3 context struct */
846 
847 			X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
848 			X509V3_set_nconf(&ext_ctx, req_conf);
849 
850 			/* Add extensions */
851 			if(extensions && !X509V3_EXT_add_nconf(req_conf,
852 				 	&ext_ctx, extensions, x509ss))
853 				{
854 				BIO_printf(bio_err,
855 					"Error Loading extension section %s\n",
856 					extensions);
857 				goto end;
858 				}
859 
860 			if (!(i=X509_sign(x509ss,pkey,digest)))
861 				goto end;
862 			}
863 		else
864 			{
865 			X509V3_CTX ext_ctx;
866 
867 			/* Set up V3 context struct */
868 
869 			X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
870 			X509V3_set_nconf(&ext_ctx, req_conf);
871 
872 			/* Add extensions */
873 			if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
874 				 	&ext_ctx, req_exts, req))
875 				{
876 				BIO_printf(bio_err,
877 					"Error Loading extension section %s\n",
878 					req_exts);
879 				goto end;
880 				}
881 			if (!(i=X509_REQ_sign(req,pkey,digest)))
882 				goto end;
883 			}
884 		}
885 
886 	if (subj && x509)
887 		{
888 		BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
889 		goto end;
890 		}
891 
892 	if (subj && !x509)
893 		{
894 		if (verbose)
895 			{
896 			BIO_printf(bio_err, "Modifying Request's Subject\n");
897 			print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
898 			}
899 
900 		if (build_subject(req, subj, chtype) == 0)
901 			{
902 			BIO_printf(bio_err, "ERROR: cannot modify subject\n");
903 			ex=1;
904 			goto end;
905 			}
906 
907 		req->req_info->enc.modified = 1;
908 
909 		if (verbose)
910 			{
911 			print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
912 			}
913 		}
914 
915 	if (verify && !x509)
916 		{
917 		int tmp=0;
918 
919 		if (pkey == NULL)
920 			{
921 			pkey=X509_REQ_get_pubkey(req);
922 			tmp=1;
923 			if (pkey == NULL) goto end;
924 			}
925 
926 		i=X509_REQ_verify(req,pkey);
927 		if (tmp) {
928 			EVP_PKEY_free(pkey);
929 			pkey=NULL;
930 		}
931 
932 		if (i < 0)
933 			{
934 			goto end;
935 			}
936 		else if (i == 0)
937 			{
938 			BIO_printf(bio_err,"verify failure\n");
939 			ERR_print_errors(bio_err);
940 			}
941 		else /* if (i > 0) */
942 			BIO_printf(bio_err,"verify OK\n");
943 		}
944 
945 	if (noout && !text && !modulus && !subject && !pubkey)
946 		{
947 		ex=0;
948 		goto end;
949 		}
950 
951 	if (outfile == NULL)
952 		{
953 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
954 #ifdef OPENSSL_SYS_VMS
955 		{
956 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
957 		out = BIO_push(tmpbio, out);
958 		}
959 #endif
960 		}
961 	else
962 		{
963 		if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
964 			i=(int)BIO_append_filename(out,outfile);
965 		else
966 			i=(int)BIO_write_filename(out,outfile);
967 		if (!i)
968 			{
969 			perror(outfile);
970 			goto end;
971 			}
972 		}
973 
974 	if (pubkey)
975 		{
976 		EVP_PKEY *tpubkey;
977 		tpubkey=X509_REQ_get_pubkey(req);
978 		if (tpubkey == NULL)
979 			{
980 			BIO_printf(bio_err,"Error getting public key\n");
981 			ERR_print_errors(bio_err);
982 			goto end;
983 			}
984 		PEM_write_bio_PUBKEY(out, tpubkey);
985 		EVP_PKEY_free(tpubkey);
986 		}
987 
988 	if (text)
989 		{
990 		if (x509)
991 			X509_print_ex(out, x509ss, nmflag, reqflag);
992 		else
993 			X509_REQ_print_ex(out, req, nmflag, reqflag);
994 		}
995 
996 	if(subject)
997 		{
998 		if(x509)
999 			print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1000 		else
1001 			print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1002 		}
1003 
1004 	if (modulus)
1005 		{
1006 		EVP_PKEY *tpubkey;
1007 
1008 		if (x509)
1009 			tpubkey=X509_get_pubkey(x509ss);
1010 		else
1011 			tpubkey=X509_REQ_get_pubkey(req);
1012 		if (tpubkey == NULL)
1013 			{
1014 			fprintf(stdout,"Modulus=unavailable\n");
1015 			goto end;
1016 			}
1017 		fprintf(stdout,"Modulus=");
1018 #ifndef OPENSSL_NO_RSA
1019 		if (tpubkey->type == EVP_PKEY_RSA)
1020 			BN_print(out,tpubkey->pkey.rsa->n);
1021 		else
1022 #endif
1023 			fprintf(stdout,"Wrong Algorithm type");
1024 		EVP_PKEY_free(tpubkey);
1025 		fprintf(stdout,"\n");
1026 		}
1027 
1028 	if (!noout && !x509)
1029 		{
1030 		if 	(outformat == FORMAT_ASN1)
1031 			i=i2d_X509_REQ_bio(out,req);
1032 		else if (outformat == FORMAT_PEM) {
1033 			if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1034 			else i=PEM_write_bio_X509_REQ(out,req);
1035 		} else {
1036 			BIO_printf(bio_err,"bad output format specified for outfile\n");
1037 			goto end;
1038 			}
1039 		if (!i)
1040 			{
1041 			BIO_printf(bio_err,"unable to write X509 request\n");
1042 			goto end;
1043 			}
1044 		}
1045 	if (!noout && x509 && (x509ss != NULL))
1046 		{
1047 		if 	(outformat == FORMAT_ASN1)
1048 			i=i2d_X509_bio(out,x509ss);
1049 		else if (outformat == FORMAT_PEM)
1050 			i=PEM_write_bio_X509(out,x509ss);
1051 		else	{
1052 			BIO_printf(bio_err,"bad output format specified for outfile\n");
1053 			goto end;
1054 			}
1055 		if (!i)
1056 			{
1057 			BIO_printf(bio_err,"unable to write X509 certificate\n");
1058 			goto end;
1059 			}
1060 		}
1061 	ex=0;
1062 end:
1063 #ifndef MONOLITH
1064 	if(to_free)
1065 		OPENSSL_free(to_free);
1066 #endif
1067 	if (ex)
1068 		{
1069 		ERR_print_errors(bio_err);
1070 		}
1071 	if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1072 	BIO_free(in);
1073 	BIO_free_all(out);
1074 	EVP_PKEY_free(pkey);
1075 	X509_REQ_free(req);
1076 	X509_free(x509ss);
1077 	ASN1_INTEGER_free(serial);
1078 	if(passargin && passin) OPENSSL_free(passin);
1079 	if(passargout && passout) OPENSSL_free(passout);
1080 	OBJ_cleanup();
1081 #ifndef OPENSSL_NO_DSA
1082 	if (dsa_params != NULL) DSA_free(dsa_params);
1083 #endif
1084 	apps_shutdown();
1085 	OPENSSL_EXIT(ex);
1086 	}
1087 
1088 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1089 			unsigned long chtype)
1090 	{
1091 	int ret=0,i;
1092 	char no_prompt = 0;
1093 	STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1094 	char *tmp, *dn_sect,*attr_sect;
1095 
1096 	tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1097 	if (tmp == NULL)
1098 		ERR_clear_error();
1099 	if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1100 
1101 	dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1102 	if (dn_sect == NULL)
1103 		{
1104 		BIO_printf(bio_err,"unable to find '%s' in config\n",
1105 			DISTINGUISHED_NAME);
1106 		goto err;
1107 		}
1108 	dn_sk=NCONF_get_section(req_conf,dn_sect);
1109 	if (dn_sk == NULL)
1110 		{
1111 		BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1112 		goto err;
1113 		}
1114 
1115 	attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1116 	if (attr_sect == NULL)
1117 		{
1118 		ERR_clear_error();
1119 		attr_sk=NULL;
1120 		}
1121 	else
1122 		{
1123 		attr_sk=NCONF_get_section(req_conf,attr_sect);
1124 		if (attr_sk == NULL)
1125 			{
1126 			BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1127 			goto err;
1128 			}
1129 		}
1130 
1131 	/* setup version number */
1132 	if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1133 
1134 	if (no_prompt)
1135 		i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1136 	else
1137 		{
1138 		if (subj)
1139 			i = build_subject(req, subj, chtype);
1140 		else
1141 			i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1142 		}
1143 	if(!i) goto err;
1144 
1145 	if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1146 
1147 	ret=1;
1148 err:
1149 	return(ret);
1150 	}
1151 
1152 /*
1153  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1154  * where characters may be escaped by \
1155  */
1156 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1157 	{
1158 	X509_NAME *n;
1159 
1160 	if (!(n = do_subject(subject, chtype)))
1161 		return 0;
1162 
1163 	if (!X509_REQ_set_subject_name(req, n))
1164 		{
1165 		X509_NAME_free(n);
1166 		return 0;
1167 		}
1168 	X509_NAME_free(n);
1169 	return 1;
1170 }
1171 
1172 
1173 static int prompt_info(X509_REQ *req,
1174 		STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1175 		STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1176 		unsigned long chtype)
1177 	{
1178 	int i;
1179 	char *p,*q;
1180 	char buf[100];
1181 	int nid;
1182 	long n_min,n_max;
1183 	char *type,*def,*value;
1184 	CONF_VALUE *v;
1185 	X509_NAME *subj;
1186 	subj = X509_REQ_get_subject_name(req);
1187 
1188 	if(!batch)
1189 		{
1190 		BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1191 		BIO_printf(bio_err,"into your certificate request.\n");
1192 		BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1193 		BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1194 		BIO_printf(bio_err,"For some fields there will be a default value,\n");
1195 		BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1196 		BIO_printf(bio_err,"-----\n");
1197 		}
1198 
1199 
1200 	if (sk_CONF_VALUE_num(dn_sk))
1201 		{
1202 		i= -1;
1203 start:		for (;;)
1204 			{
1205 			i++;
1206 			if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1207 
1208 			v=sk_CONF_VALUE_value(dn_sk,i);
1209 			p=q=NULL;
1210 			type=v->name;
1211 			if(!check_end(type,"_min") || !check_end(type,"_max") ||
1212 				!check_end(type,"_default") ||
1213 					 !check_end(type,"_value")) continue;
1214 			/* Skip past any leading X. X: X, etc to allow for
1215 			 * multiple instances
1216 			 */
1217 			for(p = v->name; *p ; p++)
1218 				if ((*p == ':') || (*p == ',') ||
1219 							 (*p == '.')) {
1220 					p++;
1221 					if(*p) type = p;
1222 					break;
1223 				}
1224 			/* If OBJ not recognised ignore it */
1225 			if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1226 			if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1227 				>= sizeof buf)
1228 			   {
1229 			   BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1230 			   return 0;
1231 			   }
1232 
1233 			if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1234 				{
1235 				ERR_clear_error();
1236 				def="";
1237 				}
1238 
1239 			BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1240 			if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1241 				{
1242 				ERR_clear_error();
1243 				value=NULL;
1244 				}
1245 
1246 			BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1247 			if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1248 				{
1249 				ERR_clear_error();
1250 				n_min = -1;
1251 				}
1252 
1253 			BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1254 			if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1255 				{
1256 				ERR_clear_error();
1257 				n_max = -1;
1258 				}
1259 
1260 			if (!add_DN_object(subj,v->value,def,value,nid,
1261 				n_min,n_max, chtype))
1262 				return 0;
1263 			}
1264 		if (X509_NAME_entry_count(subj) == 0)
1265 			{
1266 			BIO_printf(bio_err,"error, no objects specified in config file\n");
1267 			return 0;
1268 			}
1269 
1270 		if (attribs)
1271 			{
1272 			if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1273 				{
1274 				BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1275 				BIO_printf(bio_err,"to be sent with your certificate request\n");
1276 				}
1277 
1278 			i= -1;
1279 start2:			for (;;)
1280 				{
1281 				i++;
1282 				if ((attr_sk == NULL) ||
1283 					    (sk_CONF_VALUE_num(attr_sk) <= i))
1284 					break;
1285 
1286 				v=sk_CONF_VALUE_value(attr_sk,i);
1287 				type=v->name;
1288 				if ((nid=OBJ_txt2nid(type)) == NID_undef)
1289 					goto start2;
1290 
1291 				if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1292 					>= sizeof buf)
1293 				   {
1294 				   BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1295 				   return 0;
1296 				   }
1297 
1298 				if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1299 					== NULL)
1300 					{
1301 					ERR_clear_error();
1302 					def="";
1303 					}
1304 
1305 
1306 				BIO_snprintf(buf,sizeof buf,"%s_value",type);
1307 				if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1308 					== NULL)
1309 					{
1310 					ERR_clear_error();
1311 					value=NULL;
1312 					}
1313 
1314 				BIO_snprintf(buf,sizeof buf,"%s_min",type);
1315 				if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1316 					n_min = -1;
1317 
1318 				BIO_snprintf(buf,sizeof buf,"%s_max",type);
1319 				if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1320 					n_max = -1;
1321 
1322 				if (!add_attribute_object(req,
1323 					v->value,def,value,nid,n_min,n_max, chtype))
1324 					return 0;
1325 				}
1326 			}
1327 		}
1328 	else
1329 		{
1330 		BIO_printf(bio_err,"No template, please set one up.\n");
1331 		return 0;
1332 		}
1333 
1334 	return 1;
1335 
1336 	}
1337 
1338 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1339 			STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1340 	{
1341 	int i;
1342 	char *p,*q;
1343 	char *type;
1344 	CONF_VALUE *v;
1345 	X509_NAME *subj;
1346 
1347 	subj = X509_REQ_get_subject_name(req);
1348 
1349 	for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1350 		{
1351 		v=sk_CONF_VALUE_value(dn_sk,i);
1352 		p=q=NULL;
1353 		type=v->name;
1354 		/* Skip past any leading X. X: X, etc to allow for
1355 		 * multiple instances
1356 		 */
1357 		for(p = v->name; *p ; p++)
1358 #ifndef CHARSET_EBCDIC
1359 			if ((*p == ':') || (*p == ',') || (*p == '.')) {
1360 #else
1361 			if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1362 #endif
1363 				p++;
1364 				if(*p) type = p;
1365 				break;
1366 			}
1367 		if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1368 				(unsigned char *) v->value,-1,-1,0)) return 0;
1369 
1370 		}
1371 
1372 		if (!X509_NAME_entry_count(subj))
1373 			{
1374 			BIO_printf(bio_err,"error, no objects specified in config file\n");
1375 			return 0;
1376 			}
1377 		if (attribs)
1378 			{
1379 			for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1380 				{
1381 				v=sk_CONF_VALUE_value(attr_sk,i);
1382 				if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1383 					(unsigned char *)v->value, -1)) return 0;
1384 				}
1385 			}
1386 	return 1;
1387 	}
1388 
1389 
1390 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1391 	     int nid, int n_min, int n_max, unsigned long chtype)
1392 	{
1393 	int i,ret=0;
1394 	MS_STATIC char buf[1024];
1395 start:
1396 	if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1397 	(void)BIO_flush(bio_err);
1398 	if(value != NULL)
1399 		{
1400 		BUF_strlcpy(buf,value,sizeof buf);
1401 		BUF_strlcat(buf,"\n",sizeof buf);
1402 		BIO_printf(bio_err,"%s\n",value);
1403 		}
1404 	else
1405 		{
1406 		buf[0]='\0';
1407 		if (!batch)
1408 			{
1409 			fgets(buf,sizeof buf,stdin);
1410 			}
1411 		else
1412 			{
1413 			buf[0] = '\n';
1414 			buf[1] = '\0';
1415 			}
1416 		}
1417 
1418 	if (buf[0] == '\0') return(0);
1419 	else if (buf[0] == '\n')
1420 		{
1421 		if ((def == NULL) || (def[0] == '\0'))
1422 			return(1);
1423 		BUF_strlcpy(buf,def,sizeof buf);
1424 		BUF_strlcat(buf,"\n",sizeof buf);
1425 		}
1426 	else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1427 
1428 	i=strlen(buf);
1429 	if (buf[i-1] != '\n')
1430 		{
1431 		BIO_printf(bio_err,"weird input :-(\n");
1432 		return(0);
1433 		}
1434 	buf[--i]='\0';
1435 #ifdef CHARSET_EBCDIC
1436 	ebcdic2ascii(buf, buf, i);
1437 #endif
1438 	if(!req_check_len(i, n_min, n_max)) goto start;
1439 	if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1440 				(unsigned char *) buf, -1,-1,0)) goto err;
1441 	ret=1;
1442 err:
1443 	return(ret);
1444 	}
1445 
1446 static int add_attribute_object(X509_REQ *req, char *text,
1447 				char *def, char *value, int nid, int n_min,
1448 				int n_max, unsigned long chtype)
1449 	{
1450 	int i;
1451 	static char buf[1024];
1452 
1453 start:
1454 	if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1455 	(void)BIO_flush(bio_err);
1456 	if (value != NULL)
1457 		{
1458 		BUF_strlcpy(buf,value,sizeof buf);
1459 		BUF_strlcat(buf,"\n",sizeof buf);
1460 		BIO_printf(bio_err,"%s\n",value);
1461 		}
1462 	else
1463 		{
1464 		buf[0]='\0';
1465 		if (!batch)
1466 			{
1467 			fgets(buf,sizeof buf,stdin);
1468 			}
1469 		else
1470 			{
1471 			buf[0] = '\n';
1472 			buf[1] = '\0';
1473 			}
1474 		}
1475 
1476 	if (buf[0] == '\0') return(0);
1477 	else if (buf[0] == '\n')
1478 		{
1479 		if ((def == NULL) || (def[0] == '\0'))
1480 			return(1);
1481 		BUF_strlcpy(buf,def,sizeof buf);
1482 		BUF_strlcat(buf,"\n",sizeof buf);
1483 		}
1484 	else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1485 
1486 	i=strlen(buf);
1487 	if (buf[i-1] != '\n')
1488 		{
1489 		BIO_printf(bio_err,"weird input :-(\n");
1490 		return(0);
1491 		}
1492 	buf[--i]='\0';
1493 #ifdef CHARSET_EBCDIC
1494 	ebcdic2ascii(buf, buf, i);
1495 #endif
1496 	if(!req_check_len(i, n_min, n_max)) goto start;
1497 
1498 	if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1499 					(unsigned char *)buf, -1)) {
1500 		BIO_printf(bio_err, "Error adding attribute\n");
1501 		ERR_print_errors(bio_err);
1502 		goto err;
1503 	}
1504 
1505 	return(1);
1506 err:
1507 	return(0);
1508 	}
1509 
1510 #ifndef OPENSSL_NO_RSA
1511 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1512 	{
1513 	char c='*';
1514 
1515 	if (p == 0) c='.';
1516 	if (p == 1) c='+';
1517 	if (p == 2) c='*';
1518 	if (p == 3) c='\n';
1519 	BIO_write((BIO *)arg,&c,1);
1520 	(void)BIO_flush((BIO *)arg);
1521 #ifdef LINT
1522 	p=n;
1523 #endif
1524 	}
1525 #endif
1526 
1527 static int req_check_len(int len, int n_min, int n_max)
1528 	{
1529 	if ((n_min > 0) && (len < n_min))
1530 		{
1531 		BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1532 		return(0);
1533 		}
1534 	if ((n_max >= 0) && (len > n_max))
1535 		{
1536 		BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1537 		return(0);
1538 		}
1539 	return(1);
1540 	}
1541 
1542 /* Check if the end of a string matches 'end' */
1543 static int check_end(char *str, char *end)
1544 {
1545 	int elen, slen;
1546 	char *tmp;
1547 	elen = strlen(end);
1548 	slen = strlen(str);
1549 	if(elen > slen) return 1;
1550 	tmp = str + slen - elen;
1551 	return strcmp(tmp, end);
1552 }
1553