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
116static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
117		unsigned long chtype);
118static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
119static 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);
123static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
124				STACK_OF(CONF_VALUE) *attr, int attribs,
125				unsigned long chtype);
126static 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);
129static 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
132static void MS_CALLBACK req_cb(int p,int n,void *arg);
133#endif
134static int req_check_len(int len,int n_min,int n_max);
135static int check_end(char *str, char *end);
136#ifndef MONOLITH
137static char *default_config_file=NULL;
138#endif
139static CONF *req_conf=NULL;
140static int batch=0;
141
142#define TYPE_RSA	1
143#define TYPE_DSA	2
144#define TYPE_DH		3
145
146int MAIN(int, char **);
147
148int 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;
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#ifdef  OPENSSL_FIPS
201	if (FIPS_mode())
202		digest = EVP_sha1();
203	else
204#endif
205		digest = EVP_md5();
206
207	prog=argv[0];
208	argc--;
209	argv++;
210	while (argc >= 1)
211		{
212		if 	(strcmp(*argv,"-inform") == 0)
213			{
214			if (--argc < 1) goto bad;
215			informat=str2fmt(*(++argv));
216			}
217		else if (strcmp(*argv,"-outform") == 0)
218			{
219			if (--argc < 1) goto bad;
220			outformat=str2fmt(*(++argv));
221			}
222#ifndef OPENSSL_NO_ENGINE
223		else if (strcmp(*argv,"-engine") == 0)
224			{
225			if (--argc < 1) goto bad;
226			engine= *(++argv);
227			}
228#endif
229		else if (strcmp(*argv,"-key") == 0)
230			{
231			if (--argc < 1) goto bad;
232			keyfile= *(++argv);
233			}
234		else if (strcmp(*argv,"-pubkey") == 0)
235			{
236			pubkey=1;
237			}
238		else if (strcmp(*argv,"-new") == 0)
239			{
240			newreq=1;
241			}
242		else if (strcmp(*argv,"-config") == 0)
243			{
244			if (--argc < 1) goto bad;
245			template= *(++argv);
246			}
247		else if (strcmp(*argv,"-keyform") == 0)
248			{
249			if (--argc < 1) goto bad;
250			keyform=str2fmt(*(++argv));
251			}
252		else if (strcmp(*argv,"-in") == 0)
253			{
254			if (--argc < 1) goto bad;
255			infile= *(++argv);
256			}
257		else if (strcmp(*argv,"-out") == 0)
258			{
259			if (--argc < 1) goto bad;
260			outfile= *(++argv);
261			}
262		else if (strcmp(*argv,"-keyout") == 0)
263			{
264			if (--argc < 1) goto bad;
265			keyout= *(++argv);
266			}
267		else if (strcmp(*argv,"-passin") == 0)
268			{
269			if (--argc < 1) goto bad;
270			passargin= *(++argv);
271			}
272		else if (strcmp(*argv,"-passout") == 0)
273			{
274			if (--argc < 1) goto bad;
275			passargout= *(++argv);
276			}
277		else if (strcmp(*argv,"-rand") == 0)
278			{
279			if (--argc < 1) goto bad;
280			inrand= *(++argv);
281			}
282		else if (strcmp(*argv,"-newkey") == 0)
283			{
284			int is_numeric;
285
286			if (--argc < 1) goto bad;
287			p= *(++argv);
288			is_numeric = p[0] >= '0' && p[0] <= '9';
289			if (strncmp("rsa:",p,4) == 0 || is_numeric)
290				{
291				pkey_type=TYPE_RSA;
292				if(!is_numeric)
293				    p+=4;
294				newkey= atoi(p);
295				}
296			else
297#ifndef OPENSSL_NO_DSA
298				if (strncmp("dsa:",p,4) == 0)
299				{
300				X509 *xtmp=NULL;
301				EVP_PKEY *dtmp;
302
303				pkey_type=TYPE_DSA;
304				p+=4;
305				if ((in=BIO_new_file(p,"r")) == NULL)
306					{
307					perror(p);
308					goto end;
309					}
310				if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
311					{
312					ERR_clear_error();
313					(void)BIO_reset(in);
314					if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
315						{
316						BIO_printf(bio_err,"unable to load DSA parameters from file\n");
317						goto end;
318						}
319
320					if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
321					if (dtmp->type == EVP_PKEY_DSA)
322						dsa_params=DSAparams_dup(dtmp->pkey.dsa);
323					EVP_PKEY_free(dtmp);
324					X509_free(xtmp);
325					if (dsa_params == NULL)
326						{
327						BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
328						goto end;
329						}
330					}
331				BIO_free(in);
332				newkey=BN_num_bits(dsa_params->p);
333				in=NULL;
334				}
335			else
336#endif
337#ifndef OPENSSL_NO_DH
338				if (strncmp("dh:",p,4) == 0)
339				{
340				pkey_type=TYPE_DH;
341				p+=3;
342				}
343			else
344#endif
345				pkey_type=TYPE_RSA;
346
347			newreq=1;
348			}
349		else if (strcmp(*argv,"-batch") == 0)
350			batch=1;
351		else if (strcmp(*argv,"-newhdr") == 0)
352			newhdr=1;
353		else if (strcmp(*argv,"-modulus") == 0)
354			modulus=1;
355		else if (strcmp(*argv,"-verify") == 0)
356			verify=1;
357		else if (strcmp(*argv,"-nodes") == 0)
358			nodes=1;
359		else if (strcmp(*argv,"-noout") == 0)
360			noout=1;
361		else if (strcmp(*argv,"-verbose") == 0)
362			verbose=1;
363		else if (strcmp(*argv,"-utf8") == 0)
364			chtype = MBSTRING_UTF8;
365		else if (strcmp(*argv,"-nameopt") == 0)
366			{
367			if (--argc < 1) goto bad;
368			if (!set_name_ex(&nmflag, *(++argv))) goto bad;
369			}
370		else if (strcmp(*argv,"-reqopt") == 0)
371			{
372			if (--argc < 1) goto bad;
373			if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
374			}
375		else if (strcmp(*argv,"-subject") == 0)
376			subject=1;
377		else if (strcmp(*argv,"-text") == 0)
378			text=1;
379		else if (strcmp(*argv,"-x509") == 0)
380			x509=1;
381		else if (strcmp(*argv,"-asn1-kludge") == 0)
382			kludge=1;
383		else if (strcmp(*argv,"-no-asn1-kludge") == 0)
384			kludge=0;
385		else if (strcmp(*argv,"-subj") == 0)
386			{
387			if (--argc < 1) goto bad;
388			subj= *(++argv);
389			}
390		else if (strcmp(*argv,"-days") == 0)
391			{
392			if (--argc < 1) goto bad;
393			days= atoi(*(++argv));
394			if (days == 0) days=30;
395			}
396		else if (strcmp(*argv,"-set_serial") == 0)
397			{
398			if (--argc < 1) goto bad;
399			serial = s2i_ASN1_INTEGER(NULL, *(++argv));
400			if (!serial) goto bad;
401			}
402		else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
403			{
404			/* ok */
405			digest=md_alg;
406			}
407		else if (strcmp(*argv,"-extensions") == 0)
408			{
409			if (--argc < 1) goto bad;
410			extensions = *(++argv);
411			}
412		else if (strcmp(*argv,"-reqexts") == 0)
413			{
414			if (--argc < 1) goto bad;
415			req_exts = *(++argv);
416			}
417		else
418			{
419			BIO_printf(bio_err,"unknown option %s\n",*argv);
420			badops=1;
421			break;
422			}
423		argc--;
424		argv++;
425		}
426
427	if (badops)
428		{
429bad:
430		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
431		BIO_printf(bio_err,"where options  are\n");
432		BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
433		BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
434		BIO_printf(bio_err," -in arg        input file\n");
435		BIO_printf(bio_err," -out arg       output file\n");
436		BIO_printf(bio_err," -text          text form of request\n");
437		BIO_printf(bio_err," -pubkey        output public key\n");
438		BIO_printf(bio_err," -noout         do not output REQ\n");
439		BIO_printf(bio_err," -verify        verify signature on REQ\n");
440		BIO_printf(bio_err," -modulus       RSA modulus\n");
441		BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
442#ifndef OPENSSL_NO_ENGINE
443		BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
444#endif
445		BIO_printf(bio_err," -subject       output the request's subject\n");
446		BIO_printf(bio_err," -passin        private key password source\n");
447		BIO_printf(bio_err," -key file      use the private key contained in file\n");
448		BIO_printf(bio_err," -keyform arg   key file format\n");
449		BIO_printf(bio_err," -keyout arg    file to send the key to\n");
450		BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
451		BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
452		BIO_printf(bio_err,"                the random number generator\n");
453		BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
454		BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
455		BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
456		BIO_printf(bio_err," -config file   request template file.\n");
457		BIO_printf(bio_err," -subj arg      set or modify request subject\n");
458		BIO_printf(bio_err," -new           new request.\n");
459		BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
460		BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
461		BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
462		BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
463		BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
464		BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
465		BIO_printf(bio_err,"                have been reported as requiring\n");
466		BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
467		BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
468		BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
469		BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
470		BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
471		goto end;
472		}
473
474	ERR_load_crypto_strings();
475	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
476		BIO_printf(bio_err, "Error getting passwords\n");
477		goto end;
478	}
479
480#ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
481	/* Lets load up our environment a little */
482	p=getenv("OPENSSL_CONF");
483	if (p == NULL)
484		p=getenv("SSLEAY_CONF");
485	if (p == NULL)
486		p=to_free=make_config_name();
487	default_config_file=p;
488	config=NCONF_new(NULL);
489	i=NCONF_load(config, p, &errline);
490#endif
491
492	if (template != NULL)
493		{
494		long errline = -1;
495
496		if( verbose )
497			BIO_printf(bio_err,"Using configuration from %s\n",template);
498		req_conf=NCONF_new(NULL);
499		i=NCONF_load(req_conf,template,&errline);
500		if (i == 0)
501			{
502			BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
503			goto end;
504			}
505		}
506	else
507		{
508		req_conf=config;
509
510		if (req_conf == NULL)
511			{
512			BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
513			if (newreq)
514				goto end;
515			}
516		else if( verbose )
517			BIO_printf(bio_err,"Using configuration from %s\n",
518			default_config_file);
519		}
520
521	if (req_conf != NULL)
522		{
523		if (!load_config(bio_err, req_conf))
524			goto end;
525		p=NCONF_get_string(req_conf,NULL,"oid_file");
526		if (p == NULL)
527			ERR_clear_error();
528		if (p != NULL)
529			{
530			BIO *oid_bio;
531
532			oid_bio=BIO_new_file(p,"r");
533			if (oid_bio == NULL)
534				{
535				/*
536				BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
537				ERR_print_errors(bio_err);
538				*/
539				}
540			else
541				{
542				OBJ_create_objects(oid_bio);
543				BIO_free(oid_bio);
544				}
545			}
546		}
547	if(!add_oid_section(bio_err, req_conf)) goto end;
548
549	if (md_alg == NULL)
550		{
551		p=NCONF_get_string(req_conf,SECTION,"default_md");
552		if (p == NULL)
553			ERR_clear_error();
554		if (p != NULL)
555			{
556			if ((md_alg=EVP_get_digestbyname(p)) != NULL)
557				digest=md_alg;
558			}
559		}
560
561	if (!extensions)
562		{
563		extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
564		if (!extensions)
565			ERR_clear_error();
566		}
567	if (extensions) {
568		/* Check syntax of file */
569		X509V3_CTX ctx;
570		X509V3_set_ctx_test(&ctx);
571		X509V3_set_nconf(&ctx, req_conf);
572		if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
573			BIO_printf(bio_err,
574			 "Error Loading extension section %s\n", extensions);
575			goto end;
576		}
577	}
578
579	if(!passin)
580		{
581		passin = NCONF_get_string(req_conf, SECTION, "input_password");
582		if (!passin)
583			ERR_clear_error();
584		}
585
586	if(!passout)
587		{
588		passout = NCONF_get_string(req_conf, SECTION, "output_password");
589		if (!passout)
590			ERR_clear_error();
591		}
592
593	p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
594	if (!p)
595		ERR_clear_error();
596
597	if(p && !ASN1_STRING_set_default_mask_asc(p)) {
598		BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
599		goto end;
600	}
601
602	if (chtype != MBSTRING_UTF8)
603		{
604		p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
605		if (!p)
606			ERR_clear_error();
607		else if (!strcmp(p, "yes"))
608			chtype = MBSTRING_UTF8;
609		}
610
611
612	if(!req_exts)
613		{
614		req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
615		if (!req_exts)
616			ERR_clear_error();
617		}
618	if(req_exts) {
619		/* Check syntax of file */
620		X509V3_CTX ctx;
621		X509V3_set_ctx_test(&ctx);
622		X509V3_set_nconf(&ctx, req_conf);
623		if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
624			BIO_printf(bio_err,
625			 "Error Loading request extension section %s\n",
626								req_exts);
627			goto end;
628		}
629	}
630
631	in=BIO_new(BIO_s_file());
632	out=BIO_new(BIO_s_file());
633	if ((in == NULL) || (out == NULL))
634		goto end;
635
636#ifndef OPENSSL_NO_ENGINE
637        e = setup_engine(bio_err, engine, 0);
638#endif
639
640	if (keyfile != NULL)
641		{
642		pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
643			"Private Key");
644		if (!pkey)
645			{
646			/* load_key() has already printed an appropriate
647			   message */
648			goto end;
649			}
650		if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
651			{
652			char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
653			if (randfile == NULL)
654				ERR_clear_error();
655			app_RAND_load_file(randfile, bio_err, 0);
656			}
657		}
658
659	if (newreq && (pkey == NULL))
660		{
661		char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
662		if (randfile == NULL)
663			ERR_clear_error();
664		app_RAND_load_file(randfile, bio_err, 0);
665		if (inrand)
666			app_RAND_load_files(inrand);
667
668		if (newkey <= 0)
669			{
670			if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
671				newkey=DEFAULT_KEY_LENGTH;
672			}
673
674		if (newkey < MIN_KEY_LENGTH)
675			{
676			BIO_printf(bio_err,"private key length is too short,\n");
677			BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
678			goto end;
679			}
680		BIO_printf(bio_err,"Generating a %d bit %s private key\n",
681			newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
682
683		if ((pkey=EVP_PKEY_new()) == NULL) goto end;
684
685#ifndef OPENSSL_NO_RSA
686		if (pkey_type == TYPE_RSA)
687			{
688			if (!EVP_PKEY_assign_RSA(pkey,
689				RSA_generate_key(newkey,0x10001,
690					req_cb,bio_err)))
691				goto end;
692			}
693		else
694#endif
695#ifndef OPENSSL_NO_DSA
696			if (pkey_type == TYPE_DSA)
697			{
698			if (!DSA_generate_key(dsa_params)) goto end;
699			if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
700			dsa_params=NULL;
701			}
702#endif
703
704		app_RAND_write_file(randfile, bio_err);
705
706		if (pkey == NULL) goto end;
707
708		if (keyout == NULL)
709			{
710			keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
711			if (keyout == NULL)
712				ERR_clear_error();
713			}
714
715		if (keyout == NULL)
716			{
717			BIO_printf(bio_err,"writing new private key to stdout\n");
718			BIO_set_fp(out,stdout,BIO_NOCLOSE);
719#ifdef OPENSSL_SYS_VMS
720			{
721			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
722			out = BIO_push(tmpbio, out);
723			}
724#endif
725			}
726		else
727			{
728			BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
729			if (BIO_write_filename(out,keyout) <= 0)
730				{
731				perror(keyout);
732				goto end;
733				}
734			}
735
736		p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
737		if (p == NULL)
738			{
739			ERR_clear_error();
740			p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
741			if (p == NULL)
742				ERR_clear_error();
743			}
744		if ((p != NULL) && (strcmp(p,"no") == 0))
745			cipher=NULL;
746		if (nodes) cipher=NULL;
747
748		i=0;
749loop:
750		if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
751			NULL,0,NULL,passout))
752			{
753			if ((ERR_GET_REASON(ERR_peek_error()) ==
754				PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
755				{
756				ERR_clear_error();
757				i++;
758				goto loop;
759				}
760			goto end;
761			}
762		BIO_printf(bio_err,"-----\n");
763		}
764
765	if (!newreq)
766		{
767		/* Since we are using a pre-existing certificate
768		 * request, the kludge 'format' info should not be
769		 * changed. */
770		kludge= -1;
771		if (infile == NULL)
772			BIO_set_fp(in,stdin,BIO_NOCLOSE);
773		else
774			{
775			if (BIO_read_filename(in,infile) <= 0)
776				{
777				perror(infile);
778				goto end;
779				}
780			}
781
782		if	(informat == FORMAT_ASN1)
783			req=d2i_X509_REQ_bio(in,NULL);
784		else if (informat == FORMAT_PEM)
785			req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
786		else
787			{
788			BIO_printf(bio_err,"bad input format specified for X509 request\n");
789			goto end;
790			}
791		if (req == NULL)
792			{
793			BIO_printf(bio_err,"unable to load X509 request\n");
794			goto end;
795			}
796		}
797
798	if (newreq || x509)
799		{
800		if (pkey == NULL)
801			{
802			BIO_printf(bio_err,"you need to specify a private key\n");
803			goto end;
804			}
805#ifndef OPENSSL_NO_DSA
806		if (pkey->type == EVP_PKEY_DSA)
807			digest=EVP_dss1();
808#endif
809		if (req == NULL)
810			{
811			req=X509_REQ_new();
812			if (req == NULL)
813				{
814				goto end;
815				}
816
817			i=make_REQ(req,pkey,subj,!x509, chtype);
818			subj=NULL; /* done processing '-subj' option */
819			if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
820				{
821				sk_X509_ATTRIBUTE_free(req->req_info->attributes);
822				req->req_info->attributes = NULL;
823				}
824			if (!i)
825				{
826				BIO_printf(bio_err,"problems making Certificate Request\n");
827				goto end;
828				}
829			}
830		if (x509)
831			{
832			EVP_PKEY *tmppkey;
833			X509V3_CTX ext_ctx;
834			if ((x509ss=X509_new()) == NULL) goto end;
835
836			/* Set version to V3 */
837			if(extensions && !X509_set_version(x509ss, 2)) goto end;
838			if (serial)
839				{
840				if (!X509_set_serialNumber(x509ss, serial)) goto end;
841				}
842			else
843				{
844				if (!rand_serial(NULL,
845					X509_get_serialNumber(x509ss)))
846						goto end;
847				}
848
849			if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
850			if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
851			if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
852			if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
853			tmppkey = X509_REQ_get_pubkey(req);
854			if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
855			EVP_PKEY_free(tmppkey);
856
857			/* Set up V3 context struct */
858
859			X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
860			X509V3_set_nconf(&ext_ctx, req_conf);
861
862			/* Add extensions */
863			if(extensions && !X509V3_EXT_add_nconf(req_conf,
864				 	&ext_ctx, extensions, x509ss))
865				{
866				BIO_printf(bio_err,
867					"Error Loading extension section %s\n",
868					extensions);
869				goto end;
870				}
871
872			if (!(i=X509_sign(x509ss,pkey,digest)))
873				goto end;
874			}
875		else
876			{
877			X509V3_CTX ext_ctx;
878
879			/* Set up V3 context struct */
880
881			X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
882			X509V3_set_nconf(&ext_ctx, req_conf);
883
884			/* Add extensions */
885			if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
886				 	&ext_ctx, req_exts, req))
887				{
888				BIO_printf(bio_err,
889					"Error Loading extension section %s\n",
890					req_exts);
891				goto end;
892				}
893			if (!(i=X509_REQ_sign(req,pkey,digest)))
894				goto end;
895			}
896		}
897
898	if (subj && x509)
899		{
900		BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
901		goto end;
902		}
903
904	if (subj && !x509)
905		{
906		if (verbose)
907			{
908			BIO_printf(bio_err, "Modifying Request's Subject\n");
909			print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
910			}
911
912		if (build_subject(req, subj, chtype) == 0)
913			{
914			BIO_printf(bio_err, "ERROR: cannot modify subject\n");
915			ex=1;
916			goto end;
917			}
918
919		req->req_info->enc.modified = 1;
920
921		if (verbose)
922			{
923			print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
924			}
925		}
926
927	if (verify && !x509)
928		{
929		int tmp=0;
930
931		if (pkey == NULL)
932			{
933			pkey=X509_REQ_get_pubkey(req);
934			tmp=1;
935			if (pkey == NULL) goto end;
936			}
937
938		i=X509_REQ_verify(req,pkey);
939		if (tmp) {
940			EVP_PKEY_free(pkey);
941			pkey=NULL;
942		}
943
944		if (i < 0)
945			{
946			goto end;
947			}
948		else if (i == 0)
949			{
950			BIO_printf(bio_err,"verify failure\n");
951			ERR_print_errors(bio_err);
952			}
953		else /* if (i > 0) */
954			BIO_printf(bio_err,"verify OK\n");
955		}
956
957	if (noout && !text && !modulus && !subject && !pubkey)
958		{
959		ex=0;
960		goto end;
961		}
962
963	if (outfile == NULL)
964		{
965		BIO_set_fp(out,stdout,BIO_NOCLOSE);
966#ifdef OPENSSL_SYS_VMS
967		{
968		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
969		out = BIO_push(tmpbio, out);
970		}
971#endif
972		}
973	else
974		{
975		if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
976			i=(int)BIO_append_filename(out,outfile);
977		else
978			i=(int)BIO_write_filename(out,outfile);
979		if (!i)
980			{
981			perror(outfile);
982			goto end;
983			}
984		}
985
986	if (pubkey)
987		{
988		EVP_PKEY *tpubkey;
989		tpubkey=X509_REQ_get_pubkey(req);
990		if (tpubkey == NULL)
991			{
992			BIO_printf(bio_err,"Error getting public key\n");
993			ERR_print_errors(bio_err);
994			goto end;
995			}
996		PEM_write_bio_PUBKEY(out, tpubkey);
997		EVP_PKEY_free(tpubkey);
998		}
999
1000	if (text)
1001		{
1002		if (x509)
1003			X509_print_ex(out, x509ss, nmflag, reqflag);
1004		else
1005			X509_REQ_print_ex(out, req, nmflag, reqflag);
1006		}
1007
1008	if(subject)
1009		{
1010		if(x509)
1011			print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1012		else
1013			print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1014		}
1015
1016	if (modulus)
1017		{
1018		EVP_PKEY *tpubkey;
1019
1020		if (x509)
1021			tpubkey=X509_get_pubkey(x509ss);
1022		else
1023			tpubkey=X509_REQ_get_pubkey(req);
1024		if (tpubkey == NULL)
1025			{
1026			fprintf(stdout,"Modulus=unavailable\n");
1027			goto end;
1028			}
1029		fprintf(stdout,"Modulus=");
1030#ifndef OPENSSL_NO_RSA
1031		if (tpubkey->type == EVP_PKEY_RSA)
1032			BN_print(out,tpubkey->pkey.rsa->n);
1033		else
1034#endif
1035			fprintf(stdout,"Wrong Algorithm type");
1036		EVP_PKEY_free(tpubkey);
1037		fprintf(stdout,"\n");
1038		}
1039
1040	if (!noout && !x509)
1041		{
1042		if 	(outformat == FORMAT_ASN1)
1043			i=i2d_X509_REQ_bio(out,req);
1044		else if (outformat == FORMAT_PEM) {
1045			if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1046			else i=PEM_write_bio_X509_REQ(out,req);
1047		} else {
1048			BIO_printf(bio_err,"bad output format specified for outfile\n");
1049			goto end;
1050			}
1051		if (!i)
1052			{
1053			BIO_printf(bio_err,"unable to write X509 request\n");
1054			goto end;
1055			}
1056		}
1057	if (!noout && x509 && (x509ss != NULL))
1058		{
1059		if 	(outformat == FORMAT_ASN1)
1060			i=i2d_X509_bio(out,x509ss);
1061		else if (outformat == FORMAT_PEM)
1062			i=PEM_write_bio_X509(out,x509ss);
1063		else	{
1064			BIO_printf(bio_err,"bad output format specified for outfile\n");
1065			goto end;
1066			}
1067		if (!i)
1068			{
1069			BIO_printf(bio_err,"unable to write X509 certificate\n");
1070			goto end;
1071			}
1072		}
1073	ex=0;
1074end:
1075#ifndef MONOLITH
1076	if(to_free)
1077		OPENSSL_free(to_free);
1078#endif
1079	if (ex)
1080		{
1081		ERR_print_errors(bio_err);
1082		}
1083	if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1084	BIO_free(in);
1085	BIO_free_all(out);
1086	EVP_PKEY_free(pkey);
1087	X509_REQ_free(req);
1088	X509_free(x509ss);
1089	ASN1_INTEGER_free(serial);
1090	if(passargin && passin) OPENSSL_free(passin);
1091	if(passargout && passout) OPENSSL_free(passout);
1092	OBJ_cleanup();
1093#ifndef OPENSSL_NO_DSA
1094	if (dsa_params != NULL) DSA_free(dsa_params);
1095#endif
1096	apps_shutdown();
1097	OPENSSL_EXIT(ex);
1098	}
1099
1100static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1101			unsigned long chtype)
1102	{
1103	int ret=0,i;
1104	char no_prompt = 0;
1105	STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1106	char *tmp, *dn_sect,*attr_sect;
1107
1108	tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1109	if (tmp == NULL)
1110		ERR_clear_error();
1111	if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1112
1113	dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1114	if (dn_sect == NULL)
1115		{
1116		BIO_printf(bio_err,"unable to find '%s' in config\n",
1117			DISTINGUISHED_NAME);
1118		goto err;
1119		}
1120	dn_sk=NCONF_get_section(req_conf,dn_sect);
1121	if (dn_sk == NULL)
1122		{
1123		BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1124		goto err;
1125		}
1126
1127	attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1128	if (attr_sect == NULL)
1129		{
1130		ERR_clear_error();
1131		attr_sk=NULL;
1132		}
1133	else
1134		{
1135		attr_sk=NCONF_get_section(req_conf,attr_sect);
1136		if (attr_sk == NULL)
1137			{
1138			BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1139			goto err;
1140			}
1141		}
1142
1143	/* setup version number */
1144	if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1145
1146	if (no_prompt)
1147		i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1148	else
1149		{
1150		if (subj)
1151			i = build_subject(req, subj, chtype);
1152		else
1153			i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1154		}
1155	if(!i) goto err;
1156
1157	if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1158
1159	ret=1;
1160err:
1161	return(ret);
1162	}
1163
1164/*
1165 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1166 * where characters may be escaped by \
1167 */
1168static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1169	{
1170	X509_NAME *n;
1171
1172	if (!(n = do_subject(subject, chtype)))
1173		return 0;
1174
1175	if (!X509_REQ_set_subject_name(req, n))
1176		{
1177		X509_NAME_free(n);
1178		return 0;
1179		}
1180	X509_NAME_free(n);
1181	return 1;
1182}
1183
1184
1185static int prompt_info(X509_REQ *req,
1186		STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1187		STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1188		unsigned long chtype)
1189	{
1190	int i;
1191	char *p,*q;
1192	char buf[100];
1193	int nid;
1194	long n_min,n_max;
1195	char *type,*def,*value;
1196	CONF_VALUE *v;
1197	X509_NAME *subj;
1198	subj = X509_REQ_get_subject_name(req);
1199
1200	if(!batch)
1201		{
1202		BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1203		BIO_printf(bio_err,"into your certificate request.\n");
1204		BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1205		BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1206		BIO_printf(bio_err,"For some fields there will be a default value,\n");
1207		BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1208		BIO_printf(bio_err,"-----\n");
1209		}
1210
1211
1212	if (sk_CONF_VALUE_num(dn_sk))
1213		{
1214		i= -1;
1215start:		for (;;)
1216			{
1217			i++;
1218			if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1219
1220			v=sk_CONF_VALUE_value(dn_sk,i);
1221			p=q=NULL;
1222			type=v->name;
1223			if(!check_end(type,"_min") || !check_end(type,"_max") ||
1224				!check_end(type,"_default") ||
1225					 !check_end(type,"_value")) continue;
1226			/* Skip past any leading X. X: X, etc to allow for
1227			 * multiple instances
1228			 */
1229			for(p = v->name; *p ; p++)
1230				if ((*p == ':') || (*p == ',') ||
1231							 (*p == '.')) {
1232					p++;
1233					if(*p) type = p;
1234					break;
1235				}
1236			/* If OBJ not recognised ignore it */
1237			if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1238			if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1239				>= sizeof buf)
1240			   {
1241			   BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1242			   return 0;
1243			   }
1244
1245			if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1246				{
1247				ERR_clear_error();
1248				def="";
1249				}
1250
1251			BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1252			if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1253				{
1254				ERR_clear_error();
1255				value=NULL;
1256				}
1257
1258			BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1259			if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1260				{
1261				ERR_clear_error();
1262				n_min = -1;
1263				}
1264
1265			BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1266			if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1267				{
1268				ERR_clear_error();
1269				n_max = -1;
1270				}
1271
1272			if (!add_DN_object(subj,v->value,def,value,nid,
1273				n_min,n_max, chtype))
1274				return 0;
1275			}
1276		if (X509_NAME_entry_count(subj) == 0)
1277			{
1278			BIO_printf(bio_err,"error, no objects specified in config file\n");
1279			return 0;
1280			}
1281
1282		if (attribs)
1283			{
1284			if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1285				{
1286				BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1287				BIO_printf(bio_err,"to be sent with your certificate request\n");
1288				}
1289
1290			i= -1;
1291start2:			for (;;)
1292				{
1293				i++;
1294				if ((attr_sk == NULL) ||
1295					    (sk_CONF_VALUE_num(attr_sk) <= i))
1296					break;
1297
1298				v=sk_CONF_VALUE_value(attr_sk,i);
1299				type=v->name;
1300				if ((nid=OBJ_txt2nid(type)) == NID_undef)
1301					goto start2;
1302
1303				if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1304					>= sizeof buf)
1305				   {
1306				   BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1307				   return 0;
1308				   }
1309
1310				if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1311					== NULL)
1312					{
1313					ERR_clear_error();
1314					def="";
1315					}
1316
1317
1318				BIO_snprintf(buf,sizeof buf,"%s_value",type);
1319				if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1320					== NULL)
1321					{
1322					ERR_clear_error();
1323					value=NULL;
1324					}
1325
1326				BIO_snprintf(buf,sizeof buf,"%s_min",type);
1327				if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1328					n_min = -1;
1329
1330				BIO_snprintf(buf,sizeof buf,"%s_max",type);
1331				if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1332					n_max = -1;
1333
1334				if (!add_attribute_object(req,
1335					v->value,def,value,nid,n_min,n_max, chtype))
1336					return 0;
1337				}
1338			}
1339		}
1340	else
1341		{
1342		BIO_printf(bio_err,"No template, please set one up.\n");
1343		return 0;
1344		}
1345
1346	return 1;
1347
1348	}
1349
1350static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1351			STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1352	{
1353	int i;
1354	char *p,*q;
1355	char *type;
1356	CONF_VALUE *v;
1357	X509_NAME *subj;
1358
1359	subj = X509_REQ_get_subject_name(req);
1360
1361	for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1362		{
1363		v=sk_CONF_VALUE_value(dn_sk,i);
1364		p=q=NULL;
1365		type=v->name;
1366		/* Skip past any leading X. X: X, etc to allow for
1367		 * multiple instances
1368		 */
1369		for(p = v->name; *p ; p++)
1370#ifndef CHARSET_EBCDIC
1371			if ((*p == ':') || (*p == ',') || (*p == '.')) {
1372#else
1373			if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1374#endif
1375				p++;
1376				if(*p) type = p;
1377				break;
1378			}
1379		if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1380				(unsigned char *) v->value,-1,-1,0)) return 0;
1381
1382		}
1383
1384		if (!X509_NAME_entry_count(subj))
1385			{
1386			BIO_printf(bio_err,"error, no objects specified in config file\n");
1387			return 0;
1388			}
1389		if (attribs)
1390			{
1391			for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1392				{
1393				v=sk_CONF_VALUE_value(attr_sk,i);
1394				if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1395					(unsigned char *)v->value, -1)) return 0;
1396				}
1397			}
1398	return 1;
1399	}
1400
1401
1402static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1403	     int nid, int n_min, int n_max, unsigned long chtype)
1404	{
1405	int i,ret=0;
1406	MS_STATIC char buf[1024];
1407start:
1408	if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1409	(void)BIO_flush(bio_err);
1410	if(value != NULL)
1411		{
1412		BUF_strlcpy(buf,value,sizeof buf);
1413		BUF_strlcat(buf,"\n",sizeof buf);
1414		BIO_printf(bio_err,"%s\n",value);
1415		}
1416	else
1417		{
1418		buf[0]='\0';
1419		if (!batch)
1420			{
1421			fgets(buf,sizeof buf,stdin);
1422			}
1423		else
1424			{
1425			buf[0] = '\n';
1426			buf[1] = '\0';
1427			}
1428		}
1429
1430	if (buf[0] == '\0') return(0);
1431	else if (buf[0] == '\n')
1432		{
1433		if ((def == NULL) || (def[0] == '\0'))
1434			return(1);
1435		BUF_strlcpy(buf,def,sizeof buf);
1436		BUF_strlcat(buf,"\n",sizeof buf);
1437		}
1438	else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1439
1440	i=strlen(buf);
1441	if (buf[i-1] != '\n')
1442		{
1443		BIO_printf(bio_err,"weird input :-(\n");
1444		return(0);
1445		}
1446	buf[--i]='\0';
1447#ifdef CHARSET_EBCDIC
1448	ebcdic2ascii(buf, buf, i);
1449#endif
1450	if(!req_check_len(i, n_min, n_max)) goto start;
1451	if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1452				(unsigned char *) buf, -1,-1,0)) goto err;
1453	ret=1;
1454err:
1455	return(ret);
1456	}
1457
1458static int add_attribute_object(X509_REQ *req, char *text,
1459				char *def, char *value, int nid, int n_min,
1460				int n_max, unsigned long chtype)
1461	{
1462	int i;
1463	static char buf[1024];
1464
1465start:
1466	if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1467	(void)BIO_flush(bio_err);
1468	if (value != NULL)
1469		{
1470		BUF_strlcpy(buf,value,sizeof buf);
1471		BUF_strlcat(buf,"\n",sizeof buf);
1472		BIO_printf(bio_err,"%s\n",value);
1473		}
1474	else
1475		{
1476		buf[0]='\0';
1477		if (!batch)
1478			{
1479			fgets(buf,sizeof buf,stdin);
1480			}
1481		else
1482			{
1483			buf[0] = '\n';
1484			buf[1] = '\0';
1485			}
1486		}
1487
1488	if (buf[0] == '\0') return(0);
1489	else if (buf[0] == '\n')
1490		{
1491		if ((def == NULL) || (def[0] == '\0'))
1492			return(1);
1493		BUF_strlcpy(buf,def,sizeof buf);
1494		BUF_strlcat(buf,"\n",sizeof buf);
1495		}
1496	else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1497
1498	i=strlen(buf);
1499	if (buf[i-1] != '\n')
1500		{
1501		BIO_printf(bio_err,"weird input :-(\n");
1502		return(0);
1503		}
1504	buf[--i]='\0';
1505#ifdef CHARSET_EBCDIC
1506	ebcdic2ascii(buf, buf, i);
1507#endif
1508	if(!req_check_len(i, n_min, n_max)) goto start;
1509
1510	if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1511					(unsigned char *)buf, -1)) {
1512		BIO_printf(bio_err, "Error adding attribute\n");
1513		ERR_print_errors(bio_err);
1514		goto err;
1515	}
1516
1517	return(1);
1518err:
1519	return(0);
1520	}
1521
1522#ifndef OPENSSL_NO_RSA
1523static void MS_CALLBACK req_cb(int p, int n, void *arg)
1524	{
1525	char c='*';
1526
1527	if (p == 0) c='.';
1528	if (p == 1) c='+';
1529	if (p == 2) c='*';
1530	if (p == 3) c='\n';
1531	BIO_write((BIO *)arg,&c,1);
1532	(void)BIO_flush((BIO *)arg);
1533#ifdef LINT
1534	p=n;
1535#endif
1536	}
1537#endif
1538
1539static int req_check_len(int len, int n_min, int n_max)
1540	{
1541	if ((n_min > 0) && (len < n_min))
1542		{
1543		BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1544		return(0);
1545		}
1546	if ((n_max >= 0) && (len > n_max))
1547		{
1548		BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1549		return(0);
1550		}
1551	return(1);
1552	}
1553
1554/* Check if the end of a string matches 'end' */
1555static int check_end(char *str, char *end)
1556{
1557	int elen, slen;
1558	char *tmp;
1559	elen = strlen(end);
1560	slen = strlen(str);
1561	if(elen > slen) return 1;
1562	tmp = str + slen - elen;
1563	return strcmp(tmp, end);
1564}
1565