• Home
  • History
  • Annotate
  • Line#
  • Navigate
  • Raw
  • Download
  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/router/openssl-1.0.0q/apps/
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);
144static int genpkey_cb(EVP_PKEY_CTX *ctx);
145static int req_check_len(int len,int n_min,int n_max);
146static int check_end(const char *str, const char *end);
147static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
148					long *pkeylen, char **palgnam,
149					ENGINE *keygen_engine);
150#ifndef MONOLITH
151static char *default_config_file=NULL;
152#endif
153static CONF *req_conf=NULL;
154static int batch=0;
155
156int MAIN(int, char **);
157
158int MAIN(int argc, char **argv)
159	{
160	ENGINE *e = NULL, *gen_eng = NULL;
161	unsigned long nmflag = 0, reqflag = 0;
162	int ex=1,x509=0,days=30;
163	X509 *x509ss=NULL;
164	X509_REQ *req=NULL;
165	EVP_PKEY_CTX *genctx = NULL;
166	const char *keyalg = NULL;
167	char *keyalgstr = NULL;
168	STACK_OF(OPENSSL_STRING) *pkeyopts = NULL;
169	EVP_PKEY *pkey=NULL;
170	int i=0,badops=0,newreq=0,verbose=0,pkey_type=-1;
171	long newkey = -1;
172	BIO *in=NULL,*out=NULL;
173	int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
174	int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
175	char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
176#ifndef OPENSSL_NO_ENGINE
177	char *engine=NULL;
178#endif
179	char *extensions = NULL;
180	char *req_exts = NULL;
181	const EVP_CIPHER *cipher=NULL;
182	ASN1_INTEGER *serial = NULL;
183	int modulus=0;
184	char *inrand=NULL;
185	char *passargin = NULL, *passargout = NULL;
186	char *passin = NULL, *passout = NULL;
187	char *p;
188	char *subj = NULL;
189	int multirdn = 0;
190	const EVP_MD *md_alg=NULL,*digest=NULL;
191	unsigned long chtype = MBSTRING_ASC;
192#ifndef MONOLITH
193	char *to_free;
194	long errline;
195#endif
196
197	req_conf = NULL;
198#ifndef OPENSSL_NO_DES
199	cipher=EVP_des_ede3_cbc();
200#endif
201	apps_startup();
202
203	if (bio_err == NULL)
204		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
205			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
206
207	infile=NULL;
208	outfile=NULL;
209	informat=FORMAT_PEM;
210	outformat=FORMAT_PEM;
211
212	prog=argv[0];
213	argc--;
214	argv++;
215	while (argc >= 1)
216		{
217		if 	(strcmp(*argv,"-inform") == 0)
218			{
219			if (--argc < 1) goto bad;
220			informat=str2fmt(*(++argv));
221			}
222		else if (strcmp(*argv,"-outform") == 0)
223			{
224			if (--argc < 1) goto bad;
225			outformat=str2fmt(*(++argv));
226			}
227#ifndef OPENSSL_NO_ENGINE
228		else if (strcmp(*argv,"-engine") == 0)
229			{
230			if (--argc < 1) goto bad;
231			engine= *(++argv);
232			}
233		else if (strcmp(*argv,"-keygen_engine") == 0)
234			{
235			if (--argc < 1) goto bad;
236			gen_eng = ENGINE_by_id(*(++argv));
237			if (gen_eng == NULL)
238				{
239				BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
240				goto end;
241				}
242			}
243#endif
244		else if (strcmp(*argv,"-key") == 0)
245			{
246			if (--argc < 1) goto bad;
247			keyfile= *(++argv);
248			}
249		else if (strcmp(*argv,"-pubkey") == 0)
250			{
251			pubkey=1;
252			}
253		else if (strcmp(*argv,"-new") == 0)
254			{
255			newreq=1;
256			}
257		else if (strcmp(*argv,"-config") == 0)
258			{
259			if (--argc < 1) goto bad;
260			template= *(++argv);
261			}
262		else if (strcmp(*argv,"-keyform") == 0)
263			{
264			if (--argc < 1) goto bad;
265			keyform=str2fmt(*(++argv));
266			}
267		else if (strcmp(*argv,"-in") == 0)
268			{
269			if (--argc < 1) goto bad;
270			infile= *(++argv);
271			}
272		else if (strcmp(*argv,"-out") == 0)
273			{
274			if (--argc < 1) goto bad;
275			outfile= *(++argv);
276			}
277		else if (strcmp(*argv,"-keyout") == 0)
278			{
279			if (--argc < 1) goto bad;
280			keyout= *(++argv);
281			}
282		else if (strcmp(*argv,"-passin") == 0)
283			{
284			if (--argc < 1) goto bad;
285			passargin= *(++argv);
286			}
287		else if (strcmp(*argv,"-passout") == 0)
288			{
289			if (--argc < 1) goto bad;
290			passargout= *(++argv);
291			}
292		else if (strcmp(*argv,"-rand") == 0)
293			{
294			if (--argc < 1) goto bad;
295			inrand= *(++argv);
296			}
297		else if (strcmp(*argv,"-newkey") == 0)
298			{
299			if (--argc < 1)
300				goto bad;
301			keyalg = *(++argv);
302			newreq=1;
303			}
304		else if (strcmp(*argv,"-pkeyopt") == 0)
305			{
306			if (--argc < 1)
307				goto bad;
308			if (!pkeyopts)
309				pkeyopts = sk_OPENSSL_STRING_new_null();
310			if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv)))
311				goto bad;
312			}
313		else if (strcmp(*argv,"-batch") == 0)
314			batch=1;
315		else if (strcmp(*argv,"-newhdr") == 0)
316			newhdr=1;
317		else if (strcmp(*argv,"-modulus") == 0)
318			modulus=1;
319		else if (strcmp(*argv,"-verify") == 0)
320			verify=1;
321		else if (strcmp(*argv,"-nodes") == 0)
322			nodes=1;
323		else if (strcmp(*argv,"-noout") == 0)
324			noout=1;
325		else if (strcmp(*argv,"-verbose") == 0)
326			verbose=1;
327		else if (strcmp(*argv,"-utf8") == 0)
328			chtype = MBSTRING_UTF8;
329		else if (strcmp(*argv,"-nameopt") == 0)
330			{
331			if (--argc < 1) goto bad;
332			if (!set_name_ex(&nmflag, *(++argv))) goto bad;
333			}
334		else if (strcmp(*argv,"-reqopt") == 0)
335			{
336			if (--argc < 1) goto bad;
337			if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
338			}
339		else if (strcmp(*argv,"-subject") == 0)
340			subject=1;
341		else if (strcmp(*argv,"-text") == 0)
342			text=1;
343		else if (strcmp(*argv,"-x509") == 0)
344			x509=1;
345		else if (strcmp(*argv,"-asn1-kludge") == 0)
346			kludge=1;
347		else if (strcmp(*argv,"-no-asn1-kludge") == 0)
348			kludge=0;
349		else if (strcmp(*argv,"-subj") == 0)
350			{
351			if (--argc < 1) goto bad;
352			subj= *(++argv);
353			}
354		else if (strcmp(*argv,"-multivalue-rdn") == 0)
355			multirdn=1;
356		else if (strcmp(*argv,"-days") == 0)
357			{
358			if (--argc < 1) goto bad;
359			days= atoi(*(++argv));
360			if (days == 0) days=30;
361			}
362		else if (strcmp(*argv,"-set_serial") == 0)
363			{
364			if (--argc < 1) goto bad;
365			serial = s2i_ASN1_INTEGER(NULL, *(++argv));
366			if (!serial) goto bad;
367			}
368		else if (strcmp(*argv,"-extensions") == 0)
369			{
370			if (--argc < 1) goto bad;
371			extensions = *(++argv);
372			}
373		else if (strcmp(*argv,"-reqexts") == 0)
374			{
375			if (--argc < 1) goto bad;
376			req_exts = *(++argv);
377			}
378		else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
379			{
380			/* ok */
381			digest=md_alg;
382			}
383		else
384			{
385			BIO_printf(bio_err,"unknown option %s\n",*argv);
386			badops=1;
387			break;
388			}
389		argc--;
390		argv++;
391		}
392
393	if (badops)
394		{
395bad:
396		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
397		BIO_printf(bio_err,"where options  are\n");
398		BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
399		BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
400		BIO_printf(bio_err," -in arg        input file\n");
401		BIO_printf(bio_err," -out arg       output file\n");
402		BIO_printf(bio_err," -text          text form of request\n");
403		BIO_printf(bio_err," -pubkey        output public key\n");
404		BIO_printf(bio_err," -noout         do not output REQ\n");
405		BIO_printf(bio_err," -verify        verify signature on REQ\n");
406		BIO_printf(bio_err," -modulus       RSA modulus\n");
407		BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
408#ifndef OPENSSL_NO_ENGINE
409		BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
410#endif
411		BIO_printf(bio_err," -subject       output the request's subject\n");
412		BIO_printf(bio_err," -passin        private key password source\n");
413		BIO_printf(bio_err," -key file      use the private key contained in file\n");
414		BIO_printf(bio_err," -keyform arg   key file format\n");
415		BIO_printf(bio_err," -keyout arg    file to send the key to\n");
416		BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
417		BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
418		BIO_printf(bio_err,"                the random number generator\n");
419		BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
420		BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
421#ifndef OPENSSL_NO_ECDSA
422		BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
423#endif
424		BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
425		BIO_printf(bio_err," -config file   request template file.\n");
426		BIO_printf(bio_err," -subj arg      set or modify request subject\n");
427		BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n");
428		BIO_printf(bio_err," -new           new request.\n");
429		BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
430		BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
431		BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
432		BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
433		BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
434		BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
435		BIO_printf(bio_err,"                have been reported as requiring\n");
436		BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
437		BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
438		BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
439		BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
440		BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
441		goto end;
442		}
443
444	ERR_load_crypto_strings();
445	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
446		BIO_printf(bio_err, "Error getting passwords\n");
447		goto end;
448	}
449
450#ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
451	/* Lets load up our environment a little */
452	p=getenv("OPENSSL_CONF");
453	if (p == NULL)
454		p=getenv("SSLEAY_CONF");
455	if (p == NULL)
456		p=to_free=make_config_name();
457	default_config_file=p;
458	config=NCONF_new(NULL);
459	i=NCONF_load(config, p, &errline);
460#endif
461
462	if (template != NULL)
463		{
464		long errline = -1;
465
466		if( verbose )
467			BIO_printf(bio_err,"Using configuration from %s\n",template);
468		req_conf=NCONF_new(NULL);
469		i=NCONF_load(req_conf,template,&errline);
470		if (i == 0)
471			{
472			BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
473			goto end;
474			}
475		}
476	else
477		{
478		req_conf=config;
479
480		if (req_conf == NULL)
481			{
482			BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
483			if (newreq)
484				goto end;
485			}
486		else if( verbose )
487			BIO_printf(bio_err,"Using configuration from %s\n",
488			default_config_file);
489		}
490
491	if (req_conf != NULL)
492		{
493		if (!load_config(bio_err, req_conf))
494			goto end;
495		p=NCONF_get_string(req_conf,NULL,"oid_file");
496		if (p == NULL)
497			ERR_clear_error();
498		if (p != NULL)
499			{
500			BIO *oid_bio;
501
502			oid_bio=BIO_new_file(p,"r");
503			if (oid_bio == NULL)
504				{
505				/*
506				BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
507				ERR_print_errors(bio_err);
508				*/
509				}
510			else
511				{
512				OBJ_create_objects(oid_bio);
513				BIO_free(oid_bio);
514				}
515			}
516		}
517	if(!add_oid_section(bio_err, req_conf)) goto end;
518
519	if (md_alg == NULL)
520		{
521		p=NCONF_get_string(req_conf,SECTION,"default_md");
522		if (p == NULL)
523			ERR_clear_error();
524		if (p != NULL)
525			{
526			if ((md_alg=EVP_get_digestbyname(p)) != NULL)
527				digest=md_alg;
528			}
529		}
530
531	if (!extensions)
532		{
533		extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
534		if (!extensions)
535			ERR_clear_error();
536		}
537	if (extensions) {
538		/* Check syntax of file */
539		X509V3_CTX ctx;
540		X509V3_set_ctx_test(&ctx);
541		X509V3_set_nconf(&ctx, req_conf);
542		if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
543			BIO_printf(bio_err,
544			 "Error Loading extension section %s\n", extensions);
545			goto end;
546		}
547	}
548
549	if(!passin)
550		{
551		passin = NCONF_get_string(req_conf, SECTION, "input_password");
552		if (!passin)
553			ERR_clear_error();
554		}
555
556	if(!passout)
557		{
558		passout = NCONF_get_string(req_conf, SECTION, "output_password");
559		if (!passout)
560			ERR_clear_error();
561		}
562
563	p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
564	if (!p)
565		ERR_clear_error();
566
567	if(p && !ASN1_STRING_set_default_mask_asc(p)) {
568		BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
569		goto end;
570	}
571
572	if (chtype != MBSTRING_UTF8)
573		{
574		p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
575		if (!p)
576			ERR_clear_error();
577		else if (!strcmp(p, "yes"))
578			chtype = MBSTRING_UTF8;
579		}
580
581
582	if(!req_exts)
583		{
584		req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
585		if (!req_exts)
586			ERR_clear_error();
587		}
588	if(req_exts) {
589		/* Check syntax of file */
590		X509V3_CTX ctx;
591		X509V3_set_ctx_test(&ctx);
592		X509V3_set_nconf(&ctx, req_conf);
593		if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
594			BIO_printf(bio_err,
595			 "Error Loading request extension section %s\n",
596								req_exts);
597			goto end;
598		}
599	}
600
601	in=BIO_new(BIO_s_file());
602	out=BIO_new(BIO_s_file());
603	if ((in == NULL) || (out == NULL))
604		goto end;
605
606#ifndef OPENSSL_NO_ENGINE
607        e = setup_engine(bio_err, engine, 0);
608#endif
609
610	if (keyfile != NULL)
611		{
612		pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
613			"Private Key");
614		if (!pkey)
615			{
616			/* load_key() has already printed an appropriate
617			   message */
618			goto end;
619			}
620		else
621			{
622			char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
623			if (randfile == NULL)
624				ERR_clear_error();
625			app_RAND_load_file(randfile, bio_err, 0);
626			}
627		}
628
629	if (newreq && (pkey == NULL))
630		{
631		char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
632		if (randfile == NULL)
633			ERR_clear_error();
634		app_RAND_load_file(randfile, bio_err, 0);
635		if (inrand)
636			app_RAND_load_files(inrand);
637
638		if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
639			{
640			newkey=DEFAULT_KEY_LENGTH;
641			}
642
643		if (keyalg)
644			{
645			genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey,
646							&keyalgstr, gen_eng);
647			if (!genctx)
648				goto end;
649			}
650
651		if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA))
652			{
653			BIO_printf(bio_err,"private key length is too short,\n");
654			BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
655			goto end;
656			}
657
658		if (!genctx)
659			{
660			genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
661							&keyalgstr, gen_eng);
662			if (!genctx)
663				goto end;
664			}
665
666		if (pkeyopts)
667			{
668			char *genopt;
669			for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++)
670				{
671				genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
672				if (pkey_ctrl_string(genctx, genopt) <= 0)
673					{
674					BIO_printf(bio_err,
675						"parameter error \"%s\"\n",
676						genopt);
677					ERR_print_errors(bio_err);
678					goto end;
679					}
680				}
681			}
682
683		BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
684				newkey, keyalgstr);
685
686		EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
687		EVP_PKEY_CTX_set_app_data(genctx, bio_err);
688
689		if (EVP_PKEY_keygen(genctx, &pkey) <= 0)
690			{
691			BIO_puts(bio_err, "Error Generating Key\n");
692			goto end;
693			}
694
695		EVP_PKEY_CTX_free(genctx);
696		genctx = NULL;
697
698		app_RAND_write_file(randfile, bio_err);
699
700		if (keyout == NULL)
701			{
702			keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
703			if (keyout == NULL)
704				ERR_clear_error();
705			}
706
707		if (keyout == NULL)
708			{
709			BIO_printf(bio_err,"writing new private key to stdout\n");
710			BIO_set_fp(out,stdout,BIO_NOCLOSE);
711#ifdef OPENSSL_SYS_VMS
712			{
713			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
714			out = BIO_push(tmpbio, out);
715			}
716#endif
717			}
718		else
719			{
720			BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
721			if (BIO_write_filename(out,keyout) <= 0)
722				{
723				perror(keyout);
724				goto end;
725				}
726			}
727
728		p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
729		if (p == NULL)
730			{
731			ERR_clear_error();
732			p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
733			if (p == NULL)
734				ERR_clear_error();
735			}
736		if ((p != NULL) && (strcmp(p,"no") == 0))
737			cipher=NULL;
738		if (nodes) cipher=NULL;
739
740		i=0;
741loop:
742		if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
743			NULL,0,NULL,passout))
744			{
745			if ((ERR_GET_REASON(ERR_peek_error()) ==
746				PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
747				{
748				ERR_clear_error();
749				i++;
750				goto loop;
751				}
752			goto end;
753			}
754		BIO_printf(bio_err,"-----\n");
755		}
756
757	if (!newreq)
758		{
759		/* Since we are using a pre-existing certificate
760		 * request, the kludge 'format' info should not be
761		 * changed. */
762		kludge= -1;
763		if (infile == NULL)
764			BIO_set_fp(in,stdin,BIO_NOCLOSE);
765		else
766			{
767			if (BIO_read_filename(in,infile) <= 0)
768				{
769				perror(infile);
770				goto end;
771				}
772			}
773
774		if	(informat == FORMAT_ASN1)
775			req=d2i_X509_REQ_bio(in,NULL);
776		else if (informat == FORMAT_PEM)
777			req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
778		else
779			{
780			BIO_printf(bio_err,"bad input format specified for X509 request\n");
781			goto end;
782			}
783		if (req == NULL)
784			{
785			BIO_printf(bio_err,"unable to load X509 request\n");
786			goto end;
787			}
788		}
789
790	if (newreq || x509)
791		{
792		if (pkey == NULL)
793			{
794			BIO_printf(bio_err,"you need to specify a private key\n");
795			goto end;
796			}
797
798		if (req == NULL)
799			{
800			req=X509_REQ_new();
801			if (req == NULL)
802				{
803				goto end;
804				}
805
806			i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
807			subj=NULL; /* done processing '-subj' option */
808			if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
809				{
810				sk_X509_ATTRIBUTE_free(req->req_info->attributes);
811				req->req_info->attributes = NULL;
812				}
813			if (!i)
814				{
815				BIO_printf(bio_err,"problems making Certificate Request\n");
816				goto end;
817				}
818			}
819		if (x509)
820			{
821			EVP_PKEY *tmppkey;
822			X509V3_CTX ext_ctx;
823			if ((x509ss=X509_new()) == NULL) goto end;
824
825			/* Set version to V3 */
826			if(extensions && !X509_set_version(x509ss, 2)) goto end;
827			if (serial)
828				{
829				if (!X509_set_serialNumber(x509ss, serial)) goto end;
830				}
831			else
832				{
833				if (!rand_serial(NULL,
834					X509_get_serialNumber(x509ss)))
835						goto end;
836				}
837
838			if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
839			if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
840			if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL)) goto end;
841			if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
842			tmppkey = X509_REQ_get_pubkey(req);
843			if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
844			EVP_PKEY_free(tmppkey);
845
846			/* Set up V3 context struct */
847
848			X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
849			X509V3_set_nconf(&ext_ctx, req_conf);
850
851			/* Add extensions */
852			if(extensions && !X509V3_EXT_add_nconf(req_conf,
853				 	&ext_ctx, extensions, x509ss))
854				{
855				BIO_printf(bio_err,
856					"Error Loading extension section %s\n",
857					extensions);
858				goto end;
859				}
860
861			if (!(i=X509_sign(x509ss,pkey,digest)))
862				{
863				ERR_print_errors(bio_err);
864				goto end;
865				}
866			}
867		else
868			{
869			X509V3_CTX ext_ctx;
870
871			/* Set up V3 context struct */
872
873			X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
874			X509V3_set_nconf(&ext_ctx, req_conf);
875
876			/* Add extensions */
877			if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
878				 	&ext_ctx, req_exts, req))
879				{
880				BIO_printf(bio_err,
881					"Error Loading extension section %s\n",
882					req_exts);
883				goto end;
884				}
885			if (!(i=X509_REQ_sign(req,pkey,digest)))
886				{
887				ERR_print_errors(bio_err);
888				goto end;
889				}
890			}
891		}
892
893	if (subj && x509)
894		{
895		BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
896		goto end;
897		}
898
899	if (subj && !x509)
900		{
901		if (verbose)
902			{
903			BIO_printf(bio_err, "Modifying Request's Subject\n");
904			print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
905			}
906
907		if (build_subject(req, subj, chtype, multirdn) == 0)
908			{
909			BIO_printf(bio_err, "ERROR: cannot modify subject\n");
910			ex=1;
911			goto end;
912			}
913
914		req->req_info->enc.modified = 1;
915
916		if (verbose)
917			{
918			print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
919			}
920		}
921
922	if (verify && !x509)
923		{
924		int tmp=0;
925
926		if (pkey == NULL)
927			{
928			pkey=X509_REQ_get_pubkey(req);
929			tmp=1;
930			if (pkey == NULL) goto end;
931			}
932
933		i=X509_REQ_verify(req,pkey);
934		if (tmp) {
935			EVP_PKEY_free(pkey);
936			pkey=NULL;
937		}
938
939		if (i < 0)
940			{
941			goto end;
942			}
943		else if (i == 0)
944			{
945			BIO_printf(bio_err,"verify failure\n");
946			ERR_print_errors(bio_err);
947			}
948		else /* if (i > 0) */
949			BIO_printf(bio_err,"verify OK\n");
950		}
951
952	if (noout && !text && !modulus && !subject && !pubkey)
953		{
954		ex=0;
955		goto end;
956		}
957
958	if (outfile == NULL)
959		{
960		BIO_set_fp(out,stdout,BIO_NOCLOSE);
961#ifdef OPENSSL_SYS_VMS
962		{
963		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
964		out = BIO_push(tmpbio, out);
965		}
966#endif
967		}
968	else
969		{
970		if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
971			i=(int)BIO_append_filename(out,outfile);
972		else
973			i=(int)BIO_write_filename(out,outfile);
974		if (!i)
975			{
976			perror(outfile);
977			goto end;
978			}
979		}
980
981	if (pubkey)
982		{
983		EVP_PKEY *tpubkey;
984		tpubkey=X509_REQ_get_pubkey(req);
985		if (tpubkey == NULL)
986			{
987			BIO_printf(bio_err,"Error getting public key\n");
988			ERR_print_errors(bio_err);
989			goto end;
990			}
991		PEM_write_bio_PUBKEY(out, tpubkey);
992		EVP_PKEY_free(tpubkey);
993		}
994
995	if (text)
996		{
997		if (x509)
998			X509_print_ex(out, x509ss, nmflag, reqflag);
999		else
1000			X509_REQ_print_ex(out, req, nmflag, reqflag);
1001		}
1002
1003	if(subject)
1004		{
1005		if(x509)
1006			print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1007		else
1008			print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1009		}
1010
1011	if (modulus)
1012		{
1013		EVP_PKEY *tpubkey;
1014
1015		if (x509)
1016			tpubkey=X509_get_pubkey(x509ss);
1017		else
1018			tpubkey=X509_REQ_get_pubkey(req);
1019		if (tpubkey == NULL)
1020			{
1021			fprintf(stdout,"Modulus=unavailable\n");
1022			goto end;
1023			}
1024		fprintf(stdout,"Modulus=");
1025#ifndef OPENSSL_NO_RSA
1026		if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
1027			BN_print(out,tpubkey->pkey.rsa->n);
1028		else
1029#endif
1030			fprintf(stdout,"Wrong Algorithm type");
1031		EVP_PKEY_free(tpubkey);
1032		fprintf(stdout,"\n");
1033		}
1034
1035	if (!noout && !x509)
1036		{
1037		if 	(outformat == FORMAT_ASN1)
1038			i=i2d_X509_REQ_bio(out,req);
1039		else if (outformat == FORMAT_PEM) {
1040			if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1041			else i=PEM_write_bio_X509_REQ(out,req);
1042		} else {
1043			BIO_printf(bio_err,"bad output format specified for outfile\n");
1044			goto end;
1045			}
1046		if (!i)
1047			{
1048			BIO_printf(bio_err,"unable to write X509 request\n");
1049			goto end;
1050			}
1051		}
1052	if (!noout && x509 && (x509ss != NULL))
1053		{
1054		if 	(outformat == FORMAT_ASN1)
1055			i=i2d_X509_bio(out,x509ss);
1056		else if (outformat == FORMAT_PEM)
1057			i=PEM_write_bio_X509(out,x509ss);
1058		else	{
1059			BIO_printf(bio_err,"bad output format specified for outfile\n");
1060			goto end;
1061			}
1062		if (!i)
1063			{
1064			BIO_printf(bio_err,"unable to write X509 certificate\n");
1065			goto end;
1066			}
1067		}
1068	ex=0;
1069end:
1070#ifndef MONOLITH
1071	if(to_free)
1072		OPENSSL_free(to_free);
1073#endif
1074	if (ex)
1075		{
1076		ERR_print_errors(bio_err);
1077		}
1078	if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1079	BIO_free(in);
1080	BIO_free_all(out);
1081	EVP_PKEY_free(pkey);
1082	if (genctx)
1083		EVP_PKEY_CTX_free(genctx);
1084	if (pkeyopts)
1085		sk_OPENSSL_STRING_free(pkeyopts);
1086#ifndef OPENSSL_NO_ENGINE
1087	if (gen_eng)
1088		ENGINE_free(gen_eng);
1089#endif
1090	if (keyalgstr)
1091		OPENSSL_free(keyalgstr);
1092	X509_REQ_free(req);
1093	X509_free(x509ss);
1094	ASN1_INTEGER_free(serial);
1095	if(passargin && passin) OPENSSL_free(passin);
1096	if(passargout && passout) OPENSSL_free(passout);
1097	OBJ_cleanup();
1098	apps_shutdown();
1099	OPENSSL_EXIT(ex);
1100	}
1101
1102static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1103			int attribs, unsigned long chtype)
1104	{
1105	int ret=0,i;
1106	char no_prompt = 0;
1107	STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1108	char *tmp, *dn_sect,*attr_sect;
1109
1110	tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1111	if (tmp == NULL)
1112		ERR_clear_error();
1113	if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1114
1115	dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1116	if (dn_sect == NULL)
1117		{
1118		BIO_printf(bio_err,"unable to find '%s' in config\n",
1119			DISTINGUISHED_NAME);
1120		goto err;
1121		}
1122	dn_sk=NCONF_get_section(req_conf,dn_sect);
1123	if (dn_sk == NULL)
1124		{
1125		BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1126		goto err;
1127		}
1128
1129	attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1130	if (attr_sect == NULL)
1131		{
1132		ERR_clear_error();
1133		attr_sk=NULL;
1134		}
1135	else
1136		{
1137		attr_sk=NCONF_get_section(req_conf,attr_sect);
1138		if (attr_sk == NULL)
1139			{
1140			BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1141			goto err;
1142			}
1143		}
1144
1145	/* setup version number */
1146	if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1147
1148	if (no_prompt)
1149		i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1150	else
1151		{
1152		if (subj)
1153			i = build_subject(req, subj, chtype, multirdn);
1154		else
1155			i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1156		}
1157	if(!i) goto err;
1158
1159	if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1160
1161	ret=1;
1162err:
1163	return(ret);
1164	}
1165
1166/*
1167 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1168 * where characters may be escaped by \
1169 */
1170static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1171	{
1172	X509_NAME *n;
1173
1174	if (!(n = parse_name(subject, chtype, multirdn)))
1175		return 0;
1176
1177	if (!X509_REQ_set_subject_name(req, n))
1178		{
1179		X509_NAME_free(n);
1180		return 0;
1181		}
1182	X509_NAME_free(n);
1183	return 1;
1184}
1185
1186
1187static int prompt_info(X509_REQ *req,
1188		STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1189		STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1190		unsigned long chtype)
1191	{
1192	int i;
1193	char *p,*q;
1194	char buf[100];
1195	int nid, mval;
1196	long n_min,n_max;
1197	char *type, *value;
1198	const char *def;
1199	CONF_VALUE *v;
1200	X509_NAME *subj;
1201	subj = X509_REQ_get_subject_name(req);
1202
1203	if(!batch)
1204		{
1205		BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1206		BIO_printf(bio_err,"into your certificate request.\n");
1207		BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1208		BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1209		BIO_printf(bio_err,"For some fields there will be a default value,\n");
1210		BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1211		BIO_printf(bio_err,"-----\n");
1212		}
1213
1214
1215	if (sk_CONF_VALUE_num(dn_sk))
1216		{
1217		i= -1;
1218start:		for (;;)
1219			{
1220			i++;
1221			if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1222
1223			v=sk_CONF_VALUE_value(dn_sk,i);
1224			p=q=NULL;
1225			type=v->name;
1226			if(!check_end(type,"_min") || !check_end(type,"_max") ||
1227				!check_end(type,"_default") ||
1228					 !check_end(type,"_value")) continue;
1229			/* Skip past any leading X. X: X, etc to allow for
1230			 * multiple instances
1231			 */
1232			for(p = v->name; *p ; p++)
1233				if ((*p == ':') || (*p == ',') ||
1234							 (*p == '.')) {
1235					p++;
1236					if(*p) type = p;
1237					break;
1238				}
1239			if (*type == '+')
1240				{
1241				mval = -1;
1242				type++;
1243				}
1244			else
1245				mval = 0;
1246			/* If OBJ not recognised ignore it */
1247			if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1248			if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1249				>= (int)sizeof(buf))
1250			   {
1251			   BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1252			   return 0;
1253			   }
1254
1255			if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1256				{
1257				ERR_clear_error();
1258				def="";
1259				}
1260
1261			BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1262			if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1263				{
1264				ERR_clear_error();
1265				value=NULL;
1266				}
1267
1268			BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1269			if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1270				{
1271				ERR_clear_error();
1272				n_min = -1;
1273				}
1274
1275			BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1276			if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1277				{
1278				ERR_clear_error();
1279				n_max = -1;
1280				}
1281
1282			if (!add_DN_object(subj,v->value,def,value,nid,
1283				n_min,n_max, chtype, mval))
1284				return 0;
1285			}
1286		if (X509_NAME_entry_count(subj) == 0)
1287			{
1288			BIO_printf(bio_err,"error, no objects specified in config file\n");
1289			return 0;
1290			}
1291
1292		if (attribs)
1293			{
1294			if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1295				{
1296				BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1297				BIO_printf(bio_err,"to be sent with your certificate request\n");
1298				}
1299
1300			i= -1;
1301start2:			for (;;)
1302				{
1303				i++;
1304				if ((attr_sk == NULL) ||
1305					    (sk_CONF_VALUE_num(attr_sk) <= i))
1306					break;
1307
1308				v=sk_CONF_VALUE_value(attr_sk,i);
1309				type=v->name;
1310				if ((nid=OBJ_txt2nid(type)) == NID_undef)
1311					goto start2;
1312
1313				if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1314					>= (int)sizeof(buf))
1315				   {
1316				   BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1317				   return 0;
1318				   }
1319
1320				if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1321					== NULL)
1322					{
1323					ERR_clear_error();
1324					def="";
1325					}
1326
1327
1328				BIO_snprintf(buf,sizeof buf,"%s_value",type);
1329				if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1330					== NULL)
1331					{
1332					ERR_clear_error();
1333					value=NULL;
1334					}
1335
1336				BIO_snprintf(buf,sizeof buf,"%s_min",type);
1337				if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1338					{
1339					ERR_clear_error();
1340					n_min = -1;
1341					}
1342
1343				BIO_snprintf(buf,sizeof buf,"%s_max",type);
1344				if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1345					{
1346					ERR_clear_error();
1347					n_max = -1;
1348					}
1349
1350				if (!add_attribute_object(req,
1351					v->value,def,value,nid,n_min,n_max, chtype))
1352					return 0;
1353				}
1354			}
1355		}
1356	else
1357		{
1358		BIO_printf(bio_err,"No template, please set one up.\n");
1359		return 0;
1360		}
1361
1362	return 1;
1363
1364	}
1365
1366static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1367			STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1368	{
1369	int i;
1370	char *p,*q;
1371	char *type;
1372	CONF_VALUE *v;
1373	X509_NAME *subj;
1374
1375	subj = X509_REQ_get_subject_name(req);
1376
1377	for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1378		{
1379		int mval;
1380		v=sk_CONF_VALUE_value(dn_sk,i);
1381		p=q=NULL;
1382		type=v->name;
1383		/* Skip past any leading X. X: X, etc to allow for
1384		 * multiple instances
1385		 */
1386		for(p = v->name; *p ; p++)
1387#ifndef CHARSET_EBCDIC
1388			if ((*p == ':') || (*p == ',') || (*p == '.')) {
1389#else
1390			if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1391#endif
1392				p++;
1393				if(*p) type = p;
1394				break;
1395			}
1396#ifndef CHARSET_EBCDIC
1397		if (*p == '+')
1398#else
1399		if (*p == os_toascii['+'])
1400#endif
1401			{
1402			p++;
1403			mval = -1;
1404			}
1405		else
1406			mval = 0;
1407		if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1408				(unsigned char *) v->value,-1,-1,mval)) return 0;
1409
1410		}
1411
1412		if (!X509_NAME_entry_count(subj))
1413			{
1414			BIO_printf(bio_err,"error, no objects specified in config file\n");
1415			return 0;
1416			}
1417		if (attribs)
1418			{
1419			for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1420				{
1421				v=sk_CONF_VALUE_value(attr_sk,i);
1422				if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1423					(unsigned char *)v->value, -1)) return 0;
1424				}
1425			}
1426	return 1;
1427	}
1428
1429
1430static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1431	     int nid, int n_min, int n_max, unsigned long chtype, int mval)
1432	{
1433	int i,ret=0;
1434	MS_STATIC char buf[1024];
1435start:
1436	if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1437	(void)BIO_flush(bio_err);
1438	if(value != NULL)
1439		{
1440		BUF_strlcpy(buf,value,sizeof buf);
1441		BUF_strlcat(buf,"\n",sizeof buf);
1442		BIO_printf(bio_err,"%s\n",value);
1443		}
1444	else
1445		{
1446		buf[0]='\0';
1447		if (!batch)
1448			{
1449			if (!fgets(buf,sizeof buf,stdin))
1450				return 0;
1451			}
1452		else
1453			{
1454			buf[0] = '\n';
1455			buf[1] = '\0';
1456			}
1457		}
1458
1459	if (buf[0] == '\0') return(0);
1460	else if (buf[0] == '\n')
1461		{
1462		if ((def == NULL) || (def[0] == '\0'))
1463			return(1);
1464		BUF_strlcpy(buf,def,sizeof buf);
1465		BUF_strlcat(buf,"\n",sizeof buf);
1466		}
1467	else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1468
1469	i=strlen(buf);
1470	if (buf[i-1] != '\n')
1471		{
1472		BIO_printf(bio_err,"weird input :-(\n");
1473		return(0);
1474		}
1475	buf[--i]='\0';
1476#ifdef CHARSET_EBCDIC
1477	ebcdic2ascii(buf, buf, i);
1478#endif
1479	if(!req_check_len(i, n_min, n_max))
1480		{
1481		if (batch || value)
1482			return 0;
1483		goto start;
1484		}
1485
1486	if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1487				(unsigned char *) buf, -1,-1,mval)) goto err;
1488	ret=1;
1489err:
1490	return(ret);
1491	}
1492
1493static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1494				char *value, int nid, int n_min,
1495				int n_max, unsigned long chtype)
1496	{
1497	int i;
1498	static char buf[1024];
1499
1500start:
1501	if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1502	(void)BIO_flush(bio_err);
1503	if (value != NULL)
1504		{
1505		BUF_strlcpy(buf,value,sizeof buf);
1506		BUF_strlcat(buf,"\n",sizeof buf);
1507		BIO_printf(bio_err,"%s\n",value);
1508		}
1509	else
1510		{
1511		buf[0]='\0';
1512		if (!batch)
1513			{
1514			if (!fgets(buf,sizeof buf,stdin))
1515				return 0;
1516			}
1517		else
1518			{
1519			buf[0] = '\n';
1520			buf[1] = '\0';
1521			}
1522		}
1523
1524	if (buf[0] == '\0') return(0);
1525	else if (buf[0] == '\n')
1526		{
1527		if ((def == NULL) || (def[0] == '\0'))
1528			return(1);
1529		BUF_strlcpy(buf,def,sizeof buf);
1530		BUF_strlcat(buf,"\n",sizeof buf);
1531		}
1532	else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1533
1534	i=strlen(buf);
1535	if (buf[i-1] != '\n')
1536		{
1537		BIO_printf(bio_err,"weird input :-(\n");
1538		return(0);
1539		}
1540	buf[--i]='\0';
1541#ifdef CHARSET_EBCDIC
1542	ebcdic2ascii(buf, buf, i);
1543#endif
1544	if(!req_check_len(i, n_min, n_max))
1545		{
1546		if (batch || value)
1547			return 0;
1548		goto start;
1549		}
1550
1551	if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1552					(unsigned char *)buf, -1)) {
1553		BIO_printf(bio_err, "Error adding attribute\n");
1554		ERR_print_errors(bio_err);
1555		goto err;
1556	}
1557
1558	return(1);
1559err:
1560	return(0);
1561	}
1562
1563static int req_check_len(int len, int n_min, int n_max)
1564	{
1565	if ((n_min > 0) && (len < n_min))
1566		{
1567		BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1568		return(0);
1569		}
1570	if ((n_max >= 0) && (len > n_max))
1571		{
1572		BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1573		return(0);
1574		}
1575	return(1);
1576	}
1577
1578/* Check if the end of a string matches 'end' */
1579static int check_end(const char *str, const char *end)
1580{
1581	int elen, slen;
1582	const char *tmp;
1583	elen = strlen(end);
1584	slen = strlen(str);
1585	if(elen > slen) return 1;
1586	tmp = str + slen - elen;
1587	return strcmp(tmp, end);
1588}
1589
1590static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
1591					long *pkeylen, char **palgnam,
1592					ENGINE *keygen_engine)
1593	{
1594	EVP_PKEY_CTX *gctx = NULL;
1595	EVP_PKEY *param = NULL;
1596	long keylen = -1;
1597	BIO *pbio = NULL;
1598	const char *paramfile = NULL;
1599
1600	if (gstr == NULL)
1601		{
1602		*pkey_type = EVP_PKEY_RSA;
1603		keylen = *pkeylen;
1604		}
1605	else if (gstr[0] >= '0' && gstr[0] <= '9')
1606		{
1607		*pkey_type = EVP_PKEY_RSA;
1608		keylen = atol(gstr);
1609		*pkeylen = keylen;
1610		}
1611	else if (!strncmp(gstr, "param:", 6))
1612		paramfile = gstr + 6;
1613	else
1614		{
1615		const char *p = strchr(gstr, ':');
1616		int len;
1617		ENGINE *tmpeng;
1618		const EVP_PKEY_ASN1_METHOD *ameth;
1619
1620		if (p)
1621			len = p - gstr;
1622		else
1623			len = strlen(gstr);
1624		/* The lookup of a the string will cover all engines so
1625		 * keep a note of the implementation.
1626		 */
1627
1628		ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1629
1630		if (!ameth)
1631			{
1632			BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1633			return NULL;
1634			}
1635
1636		EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL,
1637									ameth);
1638#ifndef OPENSSL_NO_ENGINE
1639		if (tmpeng)
1640			ENGINE_finish(tmpeng);
1641#endif
1642		if (*pkey_type == EVP_PKEY_RSA)
1643			{
1644			if (p)
1645				{
1646				keylen = atol(p + 1);
1647				*pkeylen = keylen;
1648				}
1649			else
1650				keylen = *pkeylen;
1651			}
1652		else if (p)
1653			paramfile = p + 1;
1654		}
1655
1656	if (paramfile)
1657		{
1658		pbio = BIO_new_file(paramfile, "r");
1659		if (!pbio)
1660			{
1661			BIO_printf(err, "Can't open parameter file %s\n",
1662					paramfile);
1663			return NULL;
1664			}
1665		param = PEM_read_bio_Parameters(pbio, NULL);
1666
1667		if (!param)
1668			{
1669			X509 *x;
1670			(void)BIO_reset(pbio);
1671			x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1672			if (x)
1673				{
1674				param = X509_get_pubkey(x);
1675				X509_free(x);
1676				}
1677			}
1678
1679		BIO_free(pbio);
1680
1681		if (!param)
1682			{
1683			BIO_printf(err, "Error reading parameter file %s\n",
1684					paramfile);
1685			return NULL;
1686			}
1687		if (*pkey_type == -1)
1688			*pkey_type = EVP_PKEY_id(param);
1689		else if (*pkey_type != EVP_PKEY_base_id(param))
1690			{
1691			BIO_printf(err, "Key Type does not match parameters\n");
1692			EVP_PKEY_free(param);
1693			return NULL;
1694			}
1695		}
1696
1697	if (palgnam)
1698		{
1699		const EVP_PKEY_ASN1_METHOD *ameth;
1700		ENGINE *tmpeng;
1701		const char *anam;
1702		ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1703		if (!ameth)
1704			{
1705			BIO_puts(err, "Internal error: can't find key algorithm\n");
1706			return NULL;
1707			}
1708		EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1709		*palgnam = BUF_strdup(anam);
1710#ifndef OPENSSL_NO_ENGINE
1711		if (tmpeng)
1712			ENGINE_finish(tmpeng);
1713#endif
1714		}
1715
1716	if (param)
1717		{
1718		gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1719		*pkeylen = EVP_PKEY_bits(param);
1720		EVP_PKEY_free(param);
1721		}
1722	else
1723		gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1724
1725	if (!gctx)
1726		{
1727		BIO_puts(err, "Error allocating keygen context\n");
1728		ERR_print_errors(err);
1729		return NULL;
1730		}
1731
1732	if (EVP_PKEY_keygen_init(gctx) <= 0)
1733		{
1734		BIO_puts(err, "Error initializing keygen context\n");
1735		ERR_print_errors(err);
1736		return NULL;
1737		}
1738#ifndef OPENSSL_NO_RSA
1739	if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1))
1740		{
1741		if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0)
1742			{
1743			BIO_puts(err, "Error setting RSA keysize\n");
1744			ERR_print_errors(err);
1745			EVP_PKEY_CTX_free(gctx);
1746			return NULL;
1747			}
1748		}
1749#endif
1750
1751	return gctx;
1752	}
1753
1754static int genpkey_cb(EVP_PKEY_CTX *ctx)
1755	{
1756	char c='*';
1757	BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1758	int p;
1759	p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1760	if (p == 0) c='.';
1761	if (p == 1) c='+';
1762	if (p == 2) c='*';
1763	if (p == 3) c='\n';
1764	BIO_write(b,&c,1);
1765	(void)BIO_flush(b);
1766#ifdef LINT
1767	p=n;
1768#endif
1769	return 1;
1770	}
1771