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
128static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int mutlirdn,
129		int attribs,unsigned long chtype);
130static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
131		int multirdn);
132static 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);
136static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
137				STACK_OF(CONF_VALUE) *attr, int attribs,
138				unsigned long chtype);
139static 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);
142static 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
145static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb);
146#endif
147static int req_check_len(int len,int n_min,int n_max);
148static int check_end(const char *str, const char *end);
149#ifndef MONOLITH
150static char *default_config_file=NULL;
151#endif
152static CONF *req_conf=NULL;
153static 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
160int MAIN(int, char **);
161
162int 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		{
497bad:
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		else
723			{
724			char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
725			if (randfile == NULL)
726				ERR_clear_error();
727			app_RAND_load_file(randfile, bio_err, 0);
728			}
729		}
730
731	if (newreq && (pkey == NULL))
732		{
733#ifndef OPENSSL_NO_RSA
734		BN_GENCB cb;
735#endif
736		char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
737		if (randfile == NULL)
738			ERR_clear_error();
739		app_RAND_load_file(randfile, bio_err, 0);
740		if (inrand)
741			app_RAND_load_files(inrand);
742
743		if (newkey <= 0)
744			{
745			if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
746				newkey=DEFAULT_KEY_LENGTH;
747			}
748
749		if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
750			{
751			BIO_printf(bio_err,"private key length is too short,\n");
752			BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
753			goto end;
754			}
755		BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
756			newkey,(pkey_type == TYPE_RSA)?"RSA":
757			(pkey_type == TYPE_DSA)?"DSA":"EC");
758
759		if ((pkey=EVP_PKEY_new()) == NULL) goto end;
760
761#ifndef OPENSSL_NO_RSA
762		BN_GENCB_set(&cb, req_cb, bio_err);
763		if (pkey_type == TYPE_RSA)
764			{
765			RSA *rsa = RSA_new();
766			BIGNUM *bn = BN_new();
767			if(!bn || !rsa || !BN_set_word(bn, 0x10001) ||
768					!RSA_generate_key_ex(rsa, newkey, bn, &cb) ||
769					!EVP_PKEY_assign_RSA(pkey, rsa))
770				{
771				if(bn) BN_free(bn);
772				if(rsa) RSA_free(rsa);
773				goto end;
774				}
775			BN_free(bn);
776			}
777		else
778#endif
779#ifndef OPENSSL_NO_DSA
780			if (pkey_type == TYPE_DSA)
781			{
782			if (!DSA_generate_key(dsa_params)) goto end;
783			if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
784			dsa_params=NULL;
785			}
786#endif
787#ifndef OPENSSL_NO_ECDSA
788			if (pkey_type == TYPE_EC)
789			{
790			if (!EC_KEY_generate_key(ec_params)) goto end;
791			if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
792				goto end;
793			ec_params = NULL;
794			}
795#endif
796
797		app_RAND_write_file(randfile, bio_err);
798
799		if (pkey == NULL) goto end;
800
801		if (keyout == NULL)
802			{
803			keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
804			if (keyout == NULL)
805				ERR_clear_error();
806			}
807
808		if (keyout == NULL)
809			{
810			BIO_printf(bio_err,"writing new private key to stdout\n");
811			BIO_set_fp(out,stdout,BIO_NOCLOSE);
812#ifdef OPENSSL_SYS_VMS
813			{
814			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
815			out = BIO_push(tmpbio, out);
816			}
817#endif
818			}
819		else
820			{
821			BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
822			if (BIO_write_filename(out,keyout) <= 0)
823				{
824				perror(keyout);
825				goto end;
826				}
827			}
828
829		p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
830		if (p == NULL)
831			{
832			ERR_clear_error();
833			p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
834			if (p == NULL)
835				ERR_clear_error();
836			}
837		if ((p != NULL) && (strcmp(p,"no") == 0))
838			cipher=NULL;
839		if (nodes) cipher=NULL;
840
841		i=0;
842loop:
843		if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
844			NULL,0,NULL,passout))
845			{
846			if ((ERR_GET_REASON(ERR_peek_error()) ==
847				PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
848				{
849				ERR_clear_error();
850				i++;
851				goto loop;
852				}
853			goto end;
854			}
855		BIO_printf(bio_err,"-----\n");
856		}
857
858	if (!newreq)
859		{
860		/* Since we are using a pre-existing certificate
861		 * request, the kludge 'format' info should not be
862		 * changed. */
863		kludge= -1;
864		if (infile == NULL)
865			BIO_set_fp(in,stdin,BIO_NOCLOSE);
866		else
867			{
868			if (BIO_read_filename(in,infile) <= 0)
869				{
870				perror(infile);
871				goto end;
872				}
873			}
874
875		if	(informat == FORMAT_ASN1)
876			req=d2i_X509_REQ_bio(in,NULL);
877		else if (informat == FORMAT_PEM)
878			req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
879		else
880			{
881			BIO_printf(bio_err,"bad input format specified for X509 request\n");
882			goto end;
883			}
884		if (req == NULL)
885			{
886			BIO_printf(bio_err,"unable to load X509 request\n");
887			goto end;
888			}
889		}
890
891	if (newreq || x509)
892		{
893		if (pkey == NULL)
894			{
895			BIO_printf(bio_err,"you need to specify a private key\n");
896			goto end;
897			}
898#ifndef OPENSSL_NO_DSA
899		if (pkey->type == EVP_PKEY_DSA)
900			digest=EVP_dss1();
901#endif
902#ifndef OPENSSL_NO_ECDSA
903		if (pkey->type == EVP_PKEY_EC)
904			digest=EVP_ecdsa();
905#endif
906		if (req == NULL)
907			{
908			req=X509_REQ_new();
909			if (req == NULL)
910				{
911				goto end;
912				}
913
914			i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
915			subj=NULL; /* done processing '-subj' option */
916			if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
917				{
918				sk_X509_ATTRIBUTE_free(req->req_info->attributes);
919				req->req_info->attributes = NULL;
920				}
921			if (!i)
922				{
923				BIO_printf(bio_err,"problems making Certificate Request\n");
924				goto end;
925				}
926			}
927		if (x509)
928			{
929			EVP_PKEY *tmppkey;
930			X509V3_CTX ext_ctx;
931			if ((x509ss=X509_new()) == NULL) goto end;
932
933			/* Set version to V3 */
934			if(extensions && !X509_set_version(x509ss, 2)) goto end;
935			if (serial)
936				{
937				if (!X509_set_serialNumber(x509ss, serial)) goto end;
938				}
939			else
940				{
941				if (!rand_serial(NULL,
942					X509_get_serialNumber(x509ss)))
943						goto end;
944				}
945
946			if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
947			if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
948			if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
949			if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
950			tmppkey = X509_REQ_get_pubkey(req);
951			if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
952			EVP_PKEY_free(tmppkey);
953
954			/* Set up V3 context struct */
955
956			X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
957			X509V3_set_nconf(&ext_ctx, req_conf);
958
959			/* Add extensions */
960			if(extensions && !X509V3_EXT_add_nconf(req_conf,
961				 	&ext_ctx, extensions, x509ss))
962				{
963				BIO_printf(bio_err,
964					"Error Loading extension section %s\n",
965					extensions);
966				goto end;
967				}
968
969			if (!(i=X509_sign(x509ss,pkey,digest)))
970				goto end;
971			}
972		else
973			{
974			X509V3_CTX ext_ctx;
975
976			/* Set up V3 context struct */
977
978			X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
979			X509V3_set_nconf(&ext_ctx, req_conf);
980
981			/* Add extensions */
982			if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
983				 	&ext_ctx, req_exts, req))
984				{
985				BIO_printf(bio_err,
986					"Error Loading extension section %s\n",
987					req_exts);
988				goto end;
989				}
990			if (!(i=X509_REQ_sign(req,pkey,digest)))
991				goto end;
992			}
993		}
994
995	if (subj && x509)
996		{
997		BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
998		goto end;
999		}
1000
1001	if (subj && !x509)
1002		{
1003		if (verbose)
1004			{
1005			BIO_printf(bio_err, "Modifying Request's Subject\n");
1006			print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
1007			}
1008
1009		if (build_subject(req, subj, chtype, multirdn) == 0)
1010			{
1011			BIO_printf(bio_err, "ERROR: cannot modify subject\n");
1012			ex=1;
1013			goto end;
1014			}
1015
1016		req->req_info->enc.modified = 1;
1017
1018		if (verbose)
1019			{
1020			print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
1021			}
1022		}
1023
1024	if (verify && !x509)
1025		{
1026		int tmp=0;
1027
1028		if (pkey == NULL)
1029			{
1030			pkey=X509_REQ_get_pubkey(req);
1031			tmp=1;
1032			if (pkey == NULL) goto end;
1033			}
1034
1035		i=X509_REQ_verify(req,pkey);
1036		if (tmp) {
1037			EVP_PKEY_free(pkey);
1038			pkey=NULL;
1039		}
1040
1041		if (i < 0)
1042			{
1043			goto end;
1044			}
1045		else if (i == 0)
1046			{
1047			BIO_printf(bio_err,"verify failure\n");
1048			ERR_print_errors(bio_err);
1049			}
1050		else /* if (i > 0) */
1051			BIO_printf(bio_err,"verify OK\n");
1052		}
1053
1054	if (noout && !text && !modulus && !subject && !pubkey)
1055		{
1056		ex=0;
1057		goto end;
1058		}
1059
1060	if (outfile == NULL)
1061		{
1062		BIO_set_fp(out,stdout,BIO_NOCLOSE);
1063#ifdef OPENSSL_SYS_VMS
1064		{
1065		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1066		out = BIO_push(tmpbio, out);
1067		}
1068#endif
1069		}
1070	else
1071		{
1072		if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1073			i=(int)BIO_append_filename(out,outfile);
1074		else
1075			i=(int)BIO_write_filename(out,outfile);
1076		if (!i)
1077			{
1078			perror(outfile);
1079			goto end;
1080			}
1081		}
1082
1083	if (pubkey)
1084		{
1085		EVP_PKEY *tpubkey;
1086		tpubkey=X509_REQ_get_pubkey(req);
1087		if (tpubkey == NULL)
1088			{
1089			BIO_printf(bio_err,"Error getting public key\n");
1090			ERR_print_errors(bio_err);
1091			goto end;
1092			}
1093		PEM_write_bio_PUBKEY(out, tpubkey);
1094		EVP_PKEY_free(tpubkey);
1095		}
1096
1097	if (text)
1098		{
1099		if (x509)
1100			X509_print_ex(out, x509ss, nmflag, reqflag);
1101		else
1102			X509_REQ_print_ex(out, req, nmflag, reqflag);
1103		}
1104
1105	if(subject)
1106		{
1107		if(x509)
1108			print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1109		else
1110			print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1111		}
1112
1113	if (modulus)
1114		{
1115		EVP_PKEY *tpubkey;
1116
1117		if (x509)
1118			tpubkey=X509_get_pubkey(x509ss);
1119		else
1120			tpubkey=X509_REQ_get_pubkey(req);
1121		if (tpubkey == NULL)
1122			{
1123			fprintf(stdout,"Modulus=unavailable\n");
1124			goto end;
1125			}
1126		fprintf(stdout,"Modulus=");
1127#ifndef OPENSSL_NO_RSA
1128		if (tpubkey->type == EVP_PKEY_RSA)
1129			BN_print(out,tpubkey->pkey.rsa->n);
1130		else
1131#endif
1132			fprintf(stdout,"Wrong Algorithm type");
1133		EVP_PKEY_free(tpubkey);
1134		fprintf(stdout,"\n");
1135		}
1136
1137	if (!noout && !x509)
1138		{
1139		if 	(outformat == FORMAT_ASN1)
1140			i=i2d_X509_REQ_bio(out,req);
1141		else if (outformat == FORMAT_PEM) {
1142			if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1143			else i=PEM_write_bio_X509_REQ(out,req);
1144		} else {
1145			BIO_printf(bio_err,"bad output format specified for outfile\n");
1146			goto end;
1147			}
1148		if (!i)
1149			{
1150			BIO_printf(bio_err,"unable to write X509 request\n");
1151			goto end;
1152			}
1153		}
1154	if (!noout && x509 && (x509ss != NULL))
1155		{
1156		if 	(outformat == FORMAT_ASN1)
1157			i=i2d_X509_bio(out,x509ss);
1158		else if (outformat == FORMAT_PEM)
1159			i=PEM_write_bio_X509(out,x509ss);
1160		else	{
1161			BIO_printf(bio_err,"bad output format specified for outfile\n");
1162			goto end;
1163			}
1164		if (!i)
1165			{
1166			BIO_printf(bio_err,"unable to write X509 certificate\n");
1167			goto end;
1168			}
1169		}
1170	ex=0;
1171end:
1172#ifndef MONOLITH
1173	if(to_free)
1174		OPENSSL_free(to_free);
1175#endif
1176	if (ex)
1177		{
1178		ERR_print_errors(bio_err);
1179		}
1180	if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1181	BIO_free(in);
1182	BIO_free_all(out);
1183	EVP_PKEY_free(pkey);
1184	X509_REQ_free(req);
1185	X509_free(x509ss);
1186	ASN1_INTEGER_free(serial);
1187	if(passargin && passin) OPENSSL_free(passin);
1188	if(passargout && passout) OPENSSL_free(passout);
1189	OBJ_cleanup();
1190#ifndef OPENSSL_NO_DSA
1191	if (dsa_params != NULL) DSA_free(dsa_params);
1192#endif
1193#ifndef OPENSSL_NO_ECDSA
1194	if (ec_params != NULL) EC_KEY_free(ec_params);
1195#endif
1196	apps_shutdown();
1197	OPENSSL_EXIT(ex);
1198	}
1199
1200static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1201			int attribs, unsigned long chtype)
1202	{
1203	int ret=0,i;
1204	char no_prompt = 0;
1205	STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1206	char *tmp, *dn_sect,*attr_sect;
1207
1208	tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1209	if (tmp == NULL)
1210		ERR_clear_error();
1211	if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1212
1213	dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1214	if (dn_sect == NULL)
1215		{
1216		BIO_printf(bio_err,"unable to find '%s' in config\n",
1217			DISTINGUISHED_NAME);
1218		goto err;
1219		}
1220	dn_sk=NCONF_get_section(req_conf,dn_sect);
1221	if (dn_sk == NULL)
1222		{
1223		BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1224		goto err;
1225		}
1226
1227	attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1228	if (attr_sect == NULL)
1229		{
1230		ERR_clear_error();
1231		attr_sk=NULL;
1232		}
1233	else
1234		{
1235		attr_sk=NCONF_get_section(req_conf,attr_sect);
1236		if (attr_sk == NULL)
1237			{
1238			BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1239			goto err;
1240			}
1241		}
1242
1243	/* setup version number */
1244	if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1245
1246	if (no_prompt)
1247		i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1248	else
1249		{
1250		if (subj)
1251			i = build_subject(req, subj, chtype, multirdn);
1252		else
1253			i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1254		}
1255	if(!i) goto err;
1256
1257	if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1258
1259	ret=1;
1260err:
1261	return(ret);
1262	}
1263
1264/*
1265 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1266 * where characters may be escaped by \
1267 */
1268static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1269	{
1270	X509_NAME *n;
1271
1272	if (!(n = parse_name(subject, chtype, multirdn)))
1273		return 0;
1274
1275	if (!X509_REQ_set_subject_name(req, n))
1276		{
1277		X509_NAME_free(n);
1278		return 0;
1279		}
1280	X509_NAME_free(n);
1281	return 1;
1282}
1283
1284
1285static int prompt_info(X509_REQ *req,
1286		STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1287		STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1288		unsigned long chtype)
1289	{
1290	int i;
1291	char *p,*q;
1292	char buf[100];
1293	int nid, mval;
1294	long n_min,n_max;
1295	char *type, *value;
1296	const char *def;
1297	CONF_VALUE *v;
1298	X509_NAME *subj;
1299	subj = X509_REQ_get_subject_name(req);
1300
1301	if(!batch)
1302		{
1303		BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1304		BIO_printf(bio_err,"into your certificate request.\n");
1305		BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1306		BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1307		BIO_printf(bio_err,"For some fields there will be a default value,\n");
1308		BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1309		BIO_printf(bio_err,"-----\n");
1310		}
1311
1312
1313	if (sk_CONF_VALUE_num(dn_sk))
1314		{
1315		i= -1;
1316start:		for (;;)
1317			{
1318			i++;
1319			if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1320
1321			v=sk_CONF_VALUE_value(dn_sk,i);
1322			p=q=NULL;
1323			type=v->name;
1324			if(!check_end(type,"_min") || !check_end(type,"_max") ||
1325				!check_end(type,"_default") ||
1326					 !check_end(type,"_value")) continue;
1327			/* Skip past any leading X. X: X, etc to allow for
1328			 * multiple instances
1329			 */
1330			for(p = v->name; *p ; p++)
1331				if ((*p == ':') || (*p == ',') ||
1332							 (*p == '.')) {
1333					p++;
1334					if(*p) type = p;
1335					break;
1336				}
1337			if (*type == '+')
1338				{
1339				mval = -1;
1340				type++;
1341				}
1342			else
1343				mval = 0;
1344			/* If OBJ not recognised ignore it */
1345			if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1346			if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1347				>= (int)sizeof(buf))
1348			   {
1349			   BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1350			   return 0;
1351			   }
1352
1353			if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1354				{
1355				ERR_clear_error();
1356				def="";
1357				}
1358
1359			BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1360			if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1361				{
1362				ERR_clear_error();
1363				value=NULL;
1364				}
1365
1366			BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1367			if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1368				{
1369				ERR_clear_error();
1370				n_min = -1;
1371				}
1372
1373			BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1374			if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1375				{
1376				ERR_clear_error();
1377				n_max = -1;
1378				}
1379
1380			if (!add_DN_object(subj,v->value,def,value,nid,
1381				n_min,n_max, chtype, mval))
1382				return 0;
1383			}
1384		if (X509_NAME_entry_count(subj) == 0)
1385			{
1386			BIO_printf(bio_err,"error, no objects specified in config file\n");
1387			return 0;
1388			}
1389
1390		if (attribs)
1391			{
1392			if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1393				{
1394				BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1395				BIO_printf(bio_err,"to be sent with your certificate request\n");
1396				}
1397
1398			i= -1;
1399start2:			for (;;)
1400				{
1401				i++;
1402				if ((attr_sk == NULL) ||
1403					    (sk_CONF_VALUE_num(attr_sk) <= i))
1404					break;
1405
1406				v=sk_CONF_VALUE_value(attr_sk,i);
1407				type=v->name;
1408				if ((nid=OBJ_txt2nid(type)) == NID_undef)
1409					goto start2;
1410
1411				if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1412					>= (int)sizeof(buf))
1413				   {
1414				   BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1415				   return 0;
1416				   }
1417
1418				if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1419					== NULL)
1420					{
1421					ERR_clear_error();
1422					def="";
1423					}
1424
1425
1426				BIO_snprintf(buf,sizeof buf,"%s_value",type);
1427				if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1428					== NULL)
1429					{
1430					ERR_clear_error();
1431					value=NULL;
1432					}
1433
1434				BIO_snprintf(buf,sizeof buf,"%s_min",type);
1435				if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1436					{
1437					ERR_clear_error();
1438					n_min = -1;
1439					}
1440
1441				BIO_snprintf(buf,sizeof buf,"%s_max",type);
1442				if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1443					{
1444					ERR_clear_error();
1445					n_max = -1;
1446					}
1447
1448				if (!add_attribute_object(req,
1449					v->value,def,value,nid,n_min,n_max, chtype))
1450					return 0;
1451				}
1452			}
1453		}
1454	else
1455		{
1456		BIO_printf(bio_err,"No template, please set one up.\n");
1457		return 0;
1458		}
1459
1460	return 1;
1461
1462	}
1463
1464static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1465			STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1466	{
1467	int i;
1468	char *p,*q;
1469	char *type;
1470	CONF_VALUE *v;
1471	X509_NAME *subj;
1472
1473	subj = X509_REQ_get_subject_name(req);
1474
1475	for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1476		{
1477		int mval;
1478		v=sk_CONF_VALUE_value(dn_sk,i);
1479		p=q=NULL;
1480		type=v->name;
1481		/* Skip past any leading X. X: X, etc to allow for
1482		 * multiple instances
1483		 */
1484		for(p = v->name; *p ; p++)
1485#ifndef CHARSET_EBCDIC
1486			if ((*p == ':') || (*p == ',') || (*p == '.')) {
1487#else
1488			if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1489#endif
1490				p++;
1491				if(*p) type = p;
1492				break;
1493			}
1494#ifndef CHARSET_EBCDIC
1495		if (*p == '+')
1496#else
1497		if (*p == os_toascii['+'])
1498#endif
1499			{
1500			p++;
1501			mval = -1;
1502			}
1503		else
1504			mval = 0;
1505		if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1506				(unsigned char *) v->value,-1,-1,mval)) return 0;
1507
1508		}
1509
1510		if (!X509_NAME_entry_count(subj))
1511			{
1512			BIO_printf(bio_err,"error, no objects specified in config file\n");
1513			return 0;
1514			}
1515		if (attribs)
1516			{
1517			for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1518				{
1519				v=sk_CONF_VALUE_value(attr_sk,i);
1520				if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1521					(unsigned char *)v->value, -1)) return 0;
1522				}
1523			}
1524	return 1;
1525	}
1526
1527
1528static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1529	     int nid, int n_min, int n_max, unsigned long chtype, int mval)
1530	{
1531	int i,ret=0;
1532	MS_STATIC char buf[1024];
1533start:
1534	if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1535	(void)BIO_flush(bio_err);
1536	if(value != NULL)
1537		{
1538		BUF_strlcpy(buf,value,sizeof buf);
1539		BUF_strlcat(buf,"\n",sizeof buf);
1540		BIO_printf(bio_err,"%s\n",value);
1541		}
1542	else
1543		{
1544		buf[0]='\0';
1545		if (!batch)
1546			{
1547			if (!fgets(buf,sizeof buf,stdin))
1548				return 0;
1549			}
1550		else
1551			{
1552			buf[0] = '\n';
1553			buf[1] = '\0';
1554			}
1555		}
1556
1557	if (buf[0] == '\0') return(0);
1558	else if (buf[0] == '\n')
1559		{
1560		if ((def == NULL) || (def[0] == '\0'))
1561			return(1);
1562		BUF_strlcpy(buf,def,sizeof buf);
1563		BUF_strlcat(buf,"\n",sizeof buf);
1564		}
1565	else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1566
1567	i=strlen(buf);
1568	if (buf[i-1] != '\n')
1569		{
1570		BIO_printf(bio_err,"weird input :-(\n");
1571		return(0);
1572		}
1573	buf[--i]='\0';
1574#ifdef CHARSET_EBCDIC
1575	ebcdic2ascii(buf, buf, i);
1576#endif
1577	if(!req_check_len(i, n_min, n_max))
1578		{
1579		if (batch || value)
1580			return 0;
1581		goto start;
1582		}
1583
1584	if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1585				(unsigned char *) buf, -1,-1,mval)) goto err;
1586	ret=1;
1587err:
1588	return(ret);
1589	}
1590
1591static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1592				char *value, int nid, int n_min,
1593				int n_max, unsigned long chtype)
1594	{
1595	int i;
1596	static char buf[1024];
1597
1598start:
1599	if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1600	(void)BIO_flush(bio_err);
1601	if (value != NULL)
1602		{
1603		BUF_strlcpy(buf,value,sizeof buf);
1604		BUF_strlcat(buf,"\n",sizeof buf);
1605		BIO_printf(bio_err,"%s\n",value);
1606		}
1607	else
1608		{
1609		buf[0]='\0';
1610		if (!batch)
1611			{
1612			if (!fgets(buf,sizeof buf,stdin))
1613				return 0;
1614			}
1615		else
1616			{
1617			buf[0] = '\n';
1618			buf[1] = '\0';
1619			}
1620		}
1621
1622	if (buf[0] == '\0') return(0);
1623	else if (buf[0] == '\n')
1624		{
1625		if ((def == NULL) || (def[0] == '\0'))
1626			return(1);
1627		BUF_strlcpy(buf,def,sizeof buf);
1628		BUF_strlcat(buf,"\n",sizeof buf);
1629		}
1630	else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1631
1632	i=strlen(buf);
1633	if (buf[i-1] != '\n')
1634		{
1635		BIO_printf(bio_err,"weird input :-(\n");
1636		return(0);
1637		}
1638	buf[--i]='\0';
1639#ifdef CHARSET_EBCDIC
1640	ebcdic2ascii(buf, buf, i);
1641#endif
1642	if(!req_check_len(i, n_min, n_max))
1643		{
1644		if (batch || value)
1645			return 0;
1646		goto start;
1647		}
1648
1649	if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1650					(unsigned char *)buf, -1)) {
1651		BIO_printf(bio_err, "Error adding attribute\n");
1652		ERR_print_errors(bio_err);
1653		goto err;
1654	}
1655
1656	return(1);
1657err:
1658	return(0);
1659	}
1660
1661#ifndef OPENSSL_NO_RSA
1662static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb)
1663	{
1664	char c='*';
1665
1666	if (p == 0) c='.';
1667	if (p == 1) c='+';
1668	if (p == 2) c='*';
1669	if (p == 3) c='\n';
1670	BIO_write(cb->arg,&c,1);
1671	(void)BIO_flush(cb->arg);
1672#ifdef LINT
1673	p=n;
1674#endif
1675	return 1;
1676	}
1677#endif
1678
1679static int req_check_len(int len, int n_min, int n_max)
1680	{
1681	if ((n_min > 0) && (len < n_min))
1682		{
1683		BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1684		return(0);
1685		}
1686	if ((n_max >= 0) && (len > n_max))
1687		{
1688		BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1689		return(0);
1690		}
1691	return(1);
1692	}
1693
1694/* Check if the end of a string matches 'end' */
1695static int check_end(const char *str, const char *end)
1696{
1697	int elen, slen;
1698	const char *tmp;
1699	elen = strlen(end);
1700	slen = strlen(str);
1701	if(elen > slen) return 1;
1702	tmp = str + slen - elen;
1703	return strcmp(tmp, end);
1704}
1705