/* apps/req.c */

 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)

  * All rights reserved.

  *

  * This package is an SSL implementation written

  * by Eric Young (eay@cryptsoft.com).

  * The implementation was written so as to conform with Netscapes SSL.

  * 

  * This library is free for commercial and non-commercial use as long as

  * the following conditions are aheared to.  The following conditions

  * apply to all code found in this distribution, be it the RC4, RSA,

  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation

  * included with this distribution is covered by the same copyright terms

  * except that the holder is Tim Hudson (tjh@cryptsoft.com).

  * 

  * Copyright remains Eric Young's, and as such any Copyright notices in

  * the code are not to be removed.

  * If this package is used in a product, Eric Young should be given attribution

  * as the author of the parts of the library used.

  * This can be in the form of a textual message at program startup or

  * in documentation (online or textual) provided with the package.

  * 

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions

  * are met:

  * 1. Redistributions of source code must retain the copyright

  *    notice, this list of conditions and the following disclaimer.

  * 2. Redistributions in binary form must reproduce the above copyright

  *    notice, this list of conditions and the following disclaimer in the

  *    documentation and/or other materials provided with the distribution.

  * 3. All advertising materials mentioning features or use of this software

  *    must display the following acknowledgement:

  *    "This product includes cryptographic software written by

  *     Eric Young (eay@cryptsoft.com)"

  *    The word 'cryptographic' can be left out if the rouines from the library

  *    being used are not cryptographic related :-).

  * 4. If you include any Windows specific code (or a derivative thereof) from 

  *    the apps directory (application code) you must include an acknowledgement:

  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"

  * 

  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND

  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

  * SUCH DAMAGE.

  * 

  * The licence and distribution terms for any publically available version or

  * derivative of this code cannot be changed.  i.e. this code cannot simply be

  * copied and put under another distribution licence

  * [including the GNU Public Licence.]

  */

 /* Until the key-gen callbacks are modified to use newer prototypes, we allow

  * deprecated functions for openssl-internal code */

 #ifdef OPENSSL_NO_DEPRECATED

 #undef OPENSSL_NO_DEPRECATED

 #endif

 #include <stdio.h>

 #include <stdlib.h>

 #include <time.h>

 #include <string.h>

 #ifdef OPENSSL_NO_STDIO

 #define APPS_WIN16

 #endif

 #include "apps.h"

 #include <openssl/bio.h>

 #include <openssl/evp.h>

 #include <openssl/conf.h>

 #include <openssl/err.h>

 #include <openssl/asn1.h>

 #include <openssl/x509.h>

 #include <openssl/x509v3.h>

 #include <openssl/objects.h>

 #include <openssl/pem.h>

 #include <openssl/bn.h>

 #ifndef OPENSSL_NO_RSA

 #include <openssl/rsa.h>

 #endif

 #ifndef OPENSSL_NO_DSA

 #include <openssl/dsa.h>

 #endif

 #define SECTION		"req"

 #define BITS		"default_bits"

 #define KEYFILE		"default_keyfile"

 #define PROMPT		"prompt"

 #define DISTINGUISHED_NAME	"distinguished_name"

 #define ATTRIBUTES	"attributes"

 #define V3_EXTENSIONS	"x509_extensions"

 #define REQ_EXTENSIONS	"req_extensions"

 #define STRING_MASK	"string_mask"

 #define UTF8_IN		"utf8"

 #define DEFAULT_KEY_LENGTH	512

 #define MIN_KEY_LENGTH		384

 #undef PROG

 #define PROG	req_main

 /* -inform arg	- input format - default PEM (DER or PEM)

  * -outform arg - output format - default PEM

  * -in arg	- input file - default stdin

  * -out arg	- output file - default stdout

  * -verify	- check request signature

  * -noout	- don't print stuff out.

  * -text	- print out human readable text.

  * -nodes	- no des encryption

  * -config file	- Load configuration file.

  * -key file	- make a request using key in file (or use it for verification).

  * -keyform arg	- key file format.

  * -rand file(s) - load the file(s) into the PRNG.

  * -newkey	- make a key and a request.

  * -modulus	- print RSA modulus.

  * -pubkey	- output Public Key.

  * -x509	- output a self signed X509 structure instead.

  * -asn1-kludge	- output new certificate request in a format that some CA's

  *		  require.  This format is wrong

  */

 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int mutlirdn,

 		int attribs,unsigned long chtype);

 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,

 		int multirdn);

 static int prompt_info(X509_REQ *req,

 		STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,

 		STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,

 		unsigned long chtype);

 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,

 				STACK_OF(CONF_VALUE) *attr, int attribs,

 				unsigned long chtype);

 static int add_attribute_object(X509_REQ *req, char *text, const char *def,

 				char *value, int nid, int n_min,

 				int n_max, unsigned long chtype);

 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,

 	int nid,int n_min,int n_max, unsigned long chtype, int mval);

 #ifndef OPENSSL_NO_RSA

 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb);

 #endif

 static int req_check_len(int len,int n_min,int n_max);

 static int check_end(const char *str, const char *end);

 #ifndef MONOLITH

 static char *default_config_file=NULL;

 #endif

 static CONF *req_conf=NULL;

 static int batch=0;

 #define TYPE_RSA	1

 #define TYPE_DSA	2

 #define TYPE_DH		3

 #define TYPE_EC		4

 int MAIN(int, char **);

 int MAIN(int argc, char **argv)

 	{

 	ENGINE *e = NULL;

 #ifndef OPENSSL_NO_DSA

 	DSA *dsa_params=NULL;

 #endif

 #ifndef OPENSSL_NO_ECDSA

 	EC_KEY *ec_params = NULL;

 #endif

 	unsigned long nmflag = 0, reqflag = 0;

 	int ex=1,x509=0,days=30;

 	X509 *x509ss=NULL;

 	X509_REQ *req=NULL;

 	EVP_PKEY *pkey=NULL;

 	int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;

 	long newkey = -1;

 	BIO *in=NULL,*out=NULL;

 	int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;

 	int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;

 	char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;

 #ifndef OPENSSL_NO_ENGINE

 	char *engine=NULL;

 #endif

 	char *extensions = NULL;

 	char *req_exts = NULL;

 	const EVP_CIPHER *cipher=NULL;

 	ASN1_INTEGER *serial = NULL;

 	int modulus=0;

 	char *inrand=NULL;

 	char *passargin = NULL, *passargout = NULL;

 	char *passin = NULL, *passout = NULL;

 	char *p;

 	char *subj = NULL;

 	int multirdn = 0;

 	const EVP_MD *md_alg=NULL,*digest=EVP_sha1();

 	unsigned long chtype = MBSTRING_ASC;

 #ifndef MONOLITH

 	char *to_free;

 	long errline;

 #endif

 	req_conf = NULL;

 #ifndef OPENSSL_NO_DES

 	cipher=EVP_des_ede3_cbc();

 #endif

 	apps_startup();

 	if (bio_err == NULL)

 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)

 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);

 	infile=NULL;

 	outfile=NULL;

 	informat=FORMAT_PEM;

 	outformat=FORMAT_PEM;

 	prog=argv[0];

 	argc--;

 	argv++;

 	while (argc >= 1)

 		{

 		if 	(strcmp(*argv,"-inform") == 0)

 			{

 			if (--argc < 1) goto bad;

 			informat=str2fmt(*(++argv));

 			}

 		else if (strcmp(*argv,"-outform") == 0)

 			{

 			if (--argc < 1) goto bad;

 			outformat=str2fmt(*(++argv));

 			}

 #ifndef OPENSSL_NO_ENGINE

 		else if (strcmp(*argv,"-engine") == 0)

 			{

 			if (--argc < 1) goto bad;

 			engine= *(++argv);

 			}

 #endif

 		else if (strcmp(*argv,"-key") == 0)

 			{

 			if (--argc < 1) goto bad;

 			keyfile= *(++argv);

 			}

 		else if (strcmp(*argv,"-pubkey") == 0)

 			{

 			pubkey=1;

 			}

 		else if (strcmp(*argv,"-new") == 0)

 			{

 			newreq=1;

 			}

 		else if (strcmp(*argv,"-config") == 0)

 			{	

 			if (--argc < 1) goto bad;

 			template= *(++argv);

 			}

 		else if (strcmp(*argv,"-keyform") == 0)

 			{

 			if (--argc < 1) goto bad;

 			keyform=str2fmt(*(++argv));

 			}

 		else if (strcmp(*argv,"-in") == 0)

 			{

 			if (--argc < 1) goto bad;

 			infile= *(++argv);

 			}

 		else if (strcmp(*argv,"-out") == 0)

 			{

 			if (--argc < 1) goto bad;

 			outfile= *(++argv);

 			}

 		else if (strcmp(*argv,"-keyout") == 0)

 			{

 			if (--argc < 1) goto bad;

 			keyout= *(++argv);

 			}

 		else if (strcmp(*argv,"-passin") == 0)

 			{

 			if (--argc < 1) goto bad;

 			passargin= *(++argv);

 			}

 		else if (strcmp(*argv,"-passout") == 0)

 			{

 			if (--argc < 1) goto bad;

 			passargout= *(++argv);

 			}

 		else if (strcmp(*argv,"-rand") == 0)

 			{

 			if (--argc < 1) goto bad;

 			inrand= *(++argv);

 			}

 		else if (strcmp(*argv,"-newkey") == 0)

 			{

 			int is_numeric;

 			if (--argc < 1) goto bad;

 			p= *(++argv);

 			is_numeric = p[0] >= '0' && p[0] <= '9';

 			if (strncmp("rsa:",p,4) == 0 || is_numeric)

 				{

 				pkey_type=TYPE_RSA;

 				if(!is_numeric)

 				    p+=4;

 				newkey= atoi(p);

 				}

 			else

 #ifndef OPENSSL_NO_DSA

 				if (strncmp("dsa:",p,4) == 0)

 				{

 				X509 *xtmp=NULL;

 				EVP_PKEY *dtmp;

 				pkey_type=TYPE_DSA;

 				p+=4;

 				if ((in=BIO_new_file(p,"r")) == NULL)

 					{

 					perror(p);

 					goto end;

 					}

 				if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)

 					{

 					ERR_clear_error();

 					(void)BIO_reset(in);

 					if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)

 						{

 						BIO_printf(bio_err,"unable to load DSA parameters from file\n");

 						goto end;

 						}

 					if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;

 					if (dtmp->type == EVP_PKEY_DSA)

 						dsa_params=DSAparams_dup(dtmp->pkey.dsa);

 					EVP_PKEY_free(dtmp);

 					X509_free(xtmp);

 					if (dsa_params == NULL)

 						{

 						BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");

 						goto end;

 						}

 					}

 				BIO_free(in);

 				in=NULL;

 				newkey=BN_num_bits(dsa_params->p);

 				}

 			else 

 #endif

 #ifndef OPENSSL_NO_ECDSA

 				if (strncmp("ec:",p,3) == 0)

 				{

 				X509 *xtmp=NULL;

 				EVP_PKEY *dtmp;

 				EC_GROUP *group;

 				pkey_type=TYPE_EC;

 				p+=3;

 				if ((in=BIO_new_file(p,"r")) == NULL)

 					{

 					perror(p);

 					goto end;

 					}

 				if ((ec_params = EC_KEY_new()) == NULL)

 					goto end;

 				group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL);

 				if (group == NULL)

 					{

 					EC_KEY_free(ec_params);

 					ERR_clear_error();

 					(void)BIO_reset(in);

 					if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)

 						{	

 						BIO_printf(bio_err,"unable to load EC parameters from file\n");

 						goto end;

 						}

 					if ((dtmp=X509_get_pubkey(xtmp))==NULL)

 						goto end;

 					if (dtmp->type == EVP_PKEY_EC)

 						ec_params = EC_KEY_dup(dtmp->pkey.ec);

 					EVP_PKEY_free(dtmp);

 					X509_free(xtmp);

 					if (ec_params == NULL)

 						{

 						BIO_printf(bio_err,"Certificate does not contain EC parameters\n");

 						goto end;

 						}

 					}

 				else

 					{

 					if (EC_KEY_set_group(ec_params, group) == 0)

 						goto end;

 					EC_GROUP_free(group);

 					}

 				BIO_free(in);

 				in=NULL;

 				newkey = EC_GROUP_get_degree(EC_KEY_get0_group(ec_params));

 				}

 			else

 #endif

 #ifndef OPENSSL_NO_DH

 				if (strncmp("dh:",p,4) == 0)

 				{

 				pkey_type=TYPE_DH;

 				p+=3;

 				}

 			else

 #endif

 				{

 				goto bad;

 				}

 			newreq=1;

 			}

 		else if (strcmp(*argv,"-batch") == 0)

 			batch=1;

 		else if (strcmp(*argv,"-newhdr") == 0)

 			newhdr=1;

 		else if (strcmp(*argv,"-modulus") == 0)

 			modulus=1;

 		else if (strcmp(*argv,"-verify") == 0)

 			verify=1;

 		else if (strcmp(*argv,"-nodes") == 0)

 			nodes=1;

 		else if (strcmp(*argv,"-noout") == 0)

 			noout=1;

 		else if (strcmp(*argv,"-verbose") == 0)

 			verbose=1;

 		else if (strcmp(*argv,"-utf8") == 0)

 			chtype = MBSTRING_UTF8;

 		else if (strcmp(*argv,"-nameopt") == 0)

 			{

 			if (--argc < 1) goto bad;

 			if (!set_name_ex(&nmflag, *(++argv))) goto bad;

 			}

 		else if (strcmp(*argv,"-reqopt") == 0)

 			{

 			if (--argc < 1) goto bad;

 			if (!set_cert_ex(&reqflag, *(++argv))) goto bad;

 			}

 		else if (strcmp(*argv,"-subject") == 0)

 			subject=1;

 		else if (strcmp(*argv,"-text") == 0)

 			text=1;

 		else if (strcmp(*argv,"-x509") == 0)

 			x509=1;

 		else if (strcmp(*argv,"-asn1-kludge") == 0)

 			kludge=1;

 		else if (strcmp(*argv,"-no-asn1-kludge") == 0)

 			kludge=0;

 		else if (strcmp(*argv,"-subj") == 0)

 			{

 			if (--argc < 1) goto bad;

 			subj= *(++argv);

 			}

 		else if (strcmp(*argv,"-multivalue-rdn") == 0)

 			multirdn=1;

 		else if (strcmp(*argv,"-days") == 0)

 			{

 			if (--argc < 1) goto bad;

 			days= atoi(*(++argv));

 			if (days == 0) days=30;

 			}

 		else if (strcmp(*argv,"-set_serial") == 0)

 			{

 			if (--argc < 1) goto bad;

 			serial = s2i_ASN1_INTEGER(NULL, *(++argv));

 			if (!serial) goto bad;

 			}

 		else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)

 			{

 			/* ok */

 			digest=md_alg;

 			}

 		else if (strcmp(*argv,"-extensions") == 0)

 			{

 			if (--argc < 1) goto bad;

 			extensions = *(++argv);

 			}

 		else if (strcmp(*argv,"-reqexts") == 0)

 			{

 			if (--argc < 1) goto bad;

 			req_exts = *(++argv);

 			}

 		else

 			{

 			BIO_printf(bio_err,"unknown option %s\n",*argv);

 			badops=1;

 			break;

 			}

 		argc--;

 		argv++;

 		}

 	if (badops)

 		{

 bad:

 		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);

 		BIO_printf(bio_err,"where options  are\n");

 		BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");

 		BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");

 		BIO_printf(bio_err," -in arg        input file\n");

 		BIO_printf(bio_err," -out arg       output file\n");

 		BIO_printf(bio_err," -text          text form of request\n");

 		BIO_printf(bio_err," -pubkey        output public key\n");

 		BIO_printf(bio_err," -noout         do not output REQ\n");

 		BIO_printf(bio_err," -verify        verify signature on REQ\n");

 		BIO_printf(bio_err," -modulus       RSA modulus\n");

 		BIO_printf(bio_err," -nodes         don't encrypt the output key\n");

 #ifndef OPENSSL_NO_ENGINE

 		BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");

 #endif

 		BIO_printf(bio_err," -subject       output the request's subject\n");

 		BIO_printf(bio_err," -passin        private key password source\n");

 		BIO_printf(bio_err," -key file      use the private key contained in file\n");

 		BIO_printf(bio_err," -keyform arg   key file format\n");

 		BIO_printf(bio_err," -keyout arg    file to send the key to\n");

 		BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);

 		BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");

 		BIO_printf(bio_err,"                the random number generator\n");

 		BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");

 		BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");

 #ifndef OPENSSL_NO_ECDSA

 		BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");

 #endif

 		BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");

 		BIO_printf(bio_err," -config file   request template file.\n");

 		BIO_printf(bio_err," -subj arg      set or modify request subject\n");

 		BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n");

 		BIO_printf(bio_err," -new           new request.\n");

 		BIO_printf(bio_err," -batch         do not ask anything during request generation\n");

 		BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");

 		BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");

 		BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");

 		BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");

 		BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");

 		BIO_printf(bio_err,"                have been reported as requiring\n");

 		BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");

 		BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");

 		BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");

 		BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");

 		BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");

 		goto end;

 		}

 	ERR_load_crypto_strings();

 	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {

 		BIO_printf(bio_err, "Error getting passwords\n");

 		goto end;

 	}

 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */

 	/* Lets load up our environment a little */

 	p=getenv("OPENSSL_CONF");

 	if (p == NULL)

 		p=getenv("SSLEAY_CONF");

 	if (p == NULL)

 		p=to_free=make_config_name();

 	default_config_file=p;

 	config=NCONF_new(NULL);

 	i=NCONF_load(config, p, &errline);

 #endif

 	if (template != NULL)

 		{

 		long errline = -1;

 		if( verbose )

 			BIO_printf(bio_err,"Using configuration from %s\n",template);

 		req_conf=NCONF_new(NULL);

 		i=NCONF_load(req_conf,template,&errline);

 		if (i == 0)

 			{

 			BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);

 			goto end;

 			}

 		}

 	else

 		{

 		req_conf=config;

 		if (req_conf == NULL)

 			{

 			BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);

 			if (newreq)

 				goto end;

 			}

 		else if( verbose )

 			BIO_printf(bio_err,"Using configuration from %s\n",

 			default_config_file);

 		}

 	if (req_conf != NULL)

 		{

 		if (!load_config(bio_err, req_conf))

 			goto end;

 		p=NCONF_get_string(req_conf,NULL,"oid_file");

 		if (p == NULL)

 			ERR_clear_error();

 		if (p != NULL)

 			{

 			BIO *oid_bio;

 			oid_bio=BIO_new_file(p,"r");

 			if (oid_bio == NULL) 

 				{

 				/*

 				BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);

 				ERR_print_errors(bio_err);

 				*/

 				}

 			else

 				{

 				OBJ_create_objects(oid_bio);

 				BIO_free(oid_bio);

 				}

 			}

 		}

 	if(!add_oid_section(bio_err, req_conf)) goto end;

 	if (md_alg == NULL)

 		{

 		p=NCONF_get_string(req_conf,SECTION,"default_md");

 		if (p == NULL)

 			ERR_clear_error();

 		if (p != NULL)

 			{

 			if ((md_alg=EVP_get_digestbyname(p)) != NULL)

 				digest=md_alg;

 			}

 		}

 	if (!extensions)

 		{

 		extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);

 		if (!extensions)

 			ERR_clear_error();

 		}

 	if (extensions) {

 		/* Check syntax of file */

 		X509V3_CTX ctx;

 		X509V3_set_ctx_test(&ctx);

 		X509V3_set_nconf(&ctx, req_conf);

 		if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {

 			BIO_printf(bio_err,

 			 "Error Loading extension section %s\n", extensions);

 			goto end;

 		}

 	}

 	if(!passin)

 		{

 		passin = NCONF_get_string(req_conf, SECTION, "input_password");

 		if (!passin)

 			ERR_clear_error();

 		}

 	if(!passout)

 		{

 		passout = NCONF_get_string(req_conf, SECTION, "output_password");

 		if (!passout)

 			ERR_clear_error();

 		}

 	p = NCONF_get_string(req_conf, SECTION, STRING_MASK);

 	if (!p)

 		ERR_clear_error();

 	if(p && !ASN1_STRING_set_default_mask_asc(p)) {

 		BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);

 		goto end;

 	}

 	if (chtype != MBSTRING_UTF8)

 		{

 		p = NCONF_get_string(req_conf, SECTION, UTF8_IN);

 		if (!p)

 			ERR_clear_error();

 		else if (!strcmp(p, "yes"))

 			chtype = MBSTRING_UTF8;

 		}

 	if(!req_exts)

 		{

 		req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);

 		if (!req_exts)

 			ERR_clear_error();

 		}

 	if(req_exts) {

 		/* Check syntax of file */

 		X509V3_CTX ctx;

 		X509V3_set_ctx_test(&ctx);

 		X509V3_set_nconf(&ctx, req_conf);

 		if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {

 			BIO_printf(bio_err,

 			 "Error Loading request extension section %s\n",

 								req_exts);

 			goto end;

 		}

 	}

 	in=BIO_new(BIO_s_file());

 	out=BIO_new(BIO_s_file());

 	if ((in == NULL) || (out == NULL))

 		goto end;

 #ifndef OPENSSL_NO_ENGINE

         e = setup_engine(bio_err, engine, 0);

 #endif

 	if (keyfile != NULL)

 		{

 		pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,

 			"Private Key");

 		if (!pkey)

 			{

 			/* load_key() has already printed an appropriate

 			   message */

 			goto end;

 			}

 		if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA || 

 			EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)

 			{

 			char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");

 			if (randfile == NULL)

 				ERR_clear_error();

 			app_RAND_load_file(randfile, bio_err, 0);

 			}

 		}

 	if (newreq && (pkey == NULL))

 		{

 #ifndef OPENSSL_NO_RSA

 		BN_GENCB cb;

 #endif

 		char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");

 		if (randfile == NULL)

 			ERR_clear_error();

 		app_RAND_load_file(randfile, bio_err, 0);

 		if (inrand)

 			app_RAND_load_files(inrand);

 		if (newkey <= 0)

 			{

 			if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))

 				newkey=DEFAULT_KEY_LENGTH;

 			}

 		if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))

 			{

 			BIO_printf(bio_err,"private key length is too short,\n");

 			BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);

 			goto end;

 			}

 		BIO_printf(bio_err,"Generating a %ld bit %s private key\n",

 			newkey,(pkey_type == TYPE_RSA)?"RSA":

 			(pkey_type == TYPE_DSA)?"DSA":"EC");

 		if ((pkey=EVP_PKEY_new()) == NULL) goto end;

 #ifndef OPENSSL_NO_RSA

 		BN_GENCB_set(&cb, req_cb, bio_err);

 		if (pkey_type == TYPE_RSA)

 			{

 			RSA *rsa = RSA_new();

 			BIGNUM *bn = BN_new();

 			if(!bn || !rsa || !BN_set_word(bn, 0x10001) ||

 					!RSA_generate_key_ex(rsa, newkey, bn, &cb) ||

 					!EVP_PKEY_assign_RSA(pkey, rsa))

 				{

 				if(bn) BN_free(bn);

 				if(rsa) RSA_free(rsa);

 				goto end;

 				}

 			BN_free(bn);

 			}

 		else

 #endif

 #ifndef OPENSSL_NO_DSA

 			if (pkey_type == TYPE_DSA)

 			{

 			if (!DSA_generate_key(dsa_params)) goto end;

 			if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;

 			dsa_params=NULL;

 			}

 #endif

 #ifndef OPENSSL_NO_ECDSA

 			if (pkey_type == TYPE_EC)

 			{

 			if (!EC_KEY_generate_key(ec_params)) goto end;

 			if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params)) 

 				goto end;

 			ec_params = NULL;

 			}

 #endif

 		app_RAND_write_file(randfile, bio_err);

 		if (pkey == NULL) goto end;

 		if (keyout == NULL)

 			{

 			keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);

 			if (keyout == NULL)

 				ERR_clear_error();

 			}

 		if (keyout == NULL)

 			{

 			BIO_printf(bio_err,"writing new private key to stdout\n");

 			BIO_set_fp(out,stdout,BIO_NOCLOSE);

 #ifdef OPENSSL_SYS_VMS

 			{

 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());

 			out = BIO_push(tmpbio, out);

 			}

 #endif

 			}

 		else

 			{

 			BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);

 			if (BIO_write_filename(out,keyout) <= 0)

 				{

 				perror(keyout);

 				goto end;

 				}

 			}

 		p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");

 		if (p == NULL)

 			{

 			ERR_clear_error();

 			p=NCONF_get_string(req_conf,SECTION,"encrypt_key");

 			if (p == NULL)

 				ERR_clear_error();

 			}

 		if ((p != NULL) && (strcmp(p,"no") == 0))

 			cipher=NULL;

 		if (nodes) cipher=NULL;

 		i=0;

 loop:

 		if (!PEM_write_bio_PrivateKey(out,pkey,cipher,

 			NULL,0,NULL,passout))

 			{

 			if ((ERR_GET_REASON(ERR_peek_error()) ==

 				PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))

 				{

 				ERR_clear_error();

 				i++;

 				goto loop;

 				}

 			goto end;

 			}

 		BIO_printf(bio_err,"-----\n");

 		}

 	if (!newreq)

 		{

 		/* Since we are using a pre-existing certificate

 		 * request, the kludge 'format' info should not be

 		 * changed. */

 		kludge= -1;

 		if (infile == NULL)

 		BIO_set_fp(in,stdin,BIO_NOCLOSE);

 		else

 			{

 			if (BIO_read_filename(in,infile) <= 0)

 				{

 				perror(infile);

 				goto end;

 				}

 			}

 		if	(informat == FORMAT_ASN1)

 			req=d2i_X509_REQ_bio(in,NULL);

 		else if (informat == FORMAT_PEM)

 			req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);

 		else

 			{

 			BIO_printf(bio_err,"bad input format specified for X509 request\n");

 			goto end;

 			}

 		if (req == NULL)

 			{

 			BIO_printf(bio_err,"unable to load X509 request\n");

 			goto end;

 			}

 		}

 	if (newreq || x509)

 		{

 		if (pkey == NULL)

 			{

 			BIO_printf(bio_err,"you need to specify a private key\n");

 			goto end;

 			}

 #ifndef OPENSSL_NO_DSA

 		if (pkey->type == EVP_PKEY_DSA)

 			digest=EVP_dss1();

 #endif

 #ifndef OPENSSL_NO_ECDSA

 		if (pkey->type == EVP_PKEY_EC)

 			digest=EVP_ecdsa();

 #endif

 		if (req == NULL)

 			{

 			req=X509_REQ_new();

 			if (req == NULL)

 				{

 				goto end;

 				}

 			i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);

 			subj=NULL; /* done processing '-subj' option */

 			if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))

 				{

 				sk_X509_ATTRIBUTE_free(req->req_info->attributes);

 				req->req_info->attributes = NULL;

 				}

 			if (!i)

 				{

 				BIO_printf(bio_err,"problems making Certificate Request\n");

 				goto end;

 				}

 			}

 		if (x509)

 			{

 			EVP_PKEY *tmppkey;

 			X509V3_CTX ext_ctx;

 			if ((x509ss=X509_new()) == NULL) goto end;

 			/* Set version to V3 */

 			if(extensions && !X509_set_version(x509ss, 2)) goto end;

 			if (serial)

 				{

 				if (!X509_set_serialNumber(x509ss, serial)) goto end;

 				}

 			else

 				{

 				if (!rand_serial(NULL,

 					X509_get_serialNumber(x509ss)))

 						goto end;

 				}

 			if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;

 			if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;

 			if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;

 			if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;

 			tmppkey = X509_REQ_get_pubkey(req);

 			if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;

 			EVP_PKEY_free(tmppkey);

 			/* Set up V3 context struct */

 			X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);

 			X509V3_set_nconf(&ext_ctx, req_conf);

 			/* Add extensions */

 			if(extensions && !X509V3_EXT_add_nconf(req_conf, 

 				 	&ext_ctx, extensions, x509ss))

 				{

 				BIO_printf(bio_err,

 					"Error Loading extension section %s\n",

 					extensions);

 				goto end;

 				}

 			if (!(i=X509_sign(x509ss,pkey,digest)))

 				goto end;

 			}

 		else

 			{

 			X509V3_CTX ext_ctx;

 			/* Set up V3 context struct */

 			X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);

 			X509V3_set_nconf(&ext_ctx, req_conf);

 			/* Add extensions */

 			if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 

 				 	&ext_ctx, req_exts, req))

 				{

 				BIO_printf(bio_err,

 					"Error Loading extension section %s\n",

 					req_exts);

 				goto end;

 				}

 			if (!(i=X509_REQ_sign(req,pkey,digest)))

 				goto end;

 			}

 		}

 	if (subj && x509)

 		{

 		BIO_printf(bio_err, "Cannot modifiy certificate subject\n");

 		goto end;

 		}

 	if (subj && !x509)

 		{

 		if (verbose)

 			{

 			BIO_printf(bio_err, "Modifying Request's Subject\n");

 			print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);

 			}

 		if (build_subject(req, subj, chtype, multirdn) == 0)

 			{

 			BIO_printf(bio_err, "ERROR: cannot modify subject\n");

 			ex=1;

 			goto end;

 			}

 		req->req_info->enc.modified = 1;

 		if (verbose)

 			{

 			print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);

 			}

 		}

 	if (verify && !x509)

 		{

 		int tmp=0;

 		if (pkey == NULL)

 			{

 			pkey=X509_REQ_get_pubkey(req);

 			tmp=1;

 			if (pkey == NULL) goto end;

 			}

 		i=X509_REQ_verify(req,pkey);

 		if (tmp) {

 			EVP_PKEY_free(pkey);

 			pkey=NULL;

 		}

 		if (i < 0)

 			{

 			goto end;

 			}

 		else if (i == 0)

 			{

 			BIO_printf(bio_err,"verify failure\n");

 			ERR_print_errors(bio_err);

 			}

 		else /* if (i > 0) */

 			BIO_printf(bio_err,"verify OK\n");

 		}

 	if (noout && !text && !modulus && !subject && !pubkey)

 		{

 		ex=0;

 		goto end;

 		}

 	if (outfile == NULL)

 		{

 		BIO_set_fp(out,stdout,BIO_NOCLOSE);

 #ifdef OPENSSL_SYS_VMS

 		{

 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());

 		out = BIO_push(tmpbio, out);

 		}

 #endif

 		}

 	else

 		{

 		if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))

 			i=(int)BIO_append_filename(out,outfile);

 		else

 			i=(int)BIO_write_filename(out,outfile);

 		if (!i)

 			{

 			perror(outfile);

 			goto end;

 			}

 		}

 	if (pubkey)

 		{

 		EVP_PKEY *tpubkey; 

 		tpubkey=X509_REQ_get_pubkey(req);

 		if (tpubkey == NULL)

 			{

 			BIO_printf(bio_err,"Error getting public key\n");

 			ERR_print_errors(bio_err);

 			goto end;

 			}

 		PEM_write_bio_PUBKEY(out, tpubkey);

 		EVP_PKEY_free(tpubkey);

 		}

 	if (text)

 		{

 		if (x509)

 			X509_print_ex(out, x509ss, nmflag, reqflag);

 		else	

 			X509_REQ_print_ex(out, req, nmflag, reqflag);

 		}

 	if(subject) 

 		{

 		if(x509)

 			print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);

 		else

 			print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);

 		}

 	if (modulus)

 		{

 		EVP_PKEY *tpubkey;

 		if (x509)

 			tpubkey=X509_get_pubkey(x509ss);

 		else

 			tpubkey=X509_REQ_get_pubkey(req);

 		if (tpubkey == NULL)

 			{

 			fprintf(stdout,"Modulus=unavailable\n");

 			goto end; 

 			}

 		fprintf(stdout,"Modulus=");

 #ifndef OPENSSL_NO_RSA

 		if (tpubkey->type == EVP_PKEY_RSA)

 			BN_print(out,tpubkey->pkey.rsa->n);

 		else

 #endif

 		fprintf(stdout,"Wrong Algorithm type");

 		EVP_PKEY_free(tpubkey);

 		fprintf(stdout,"\n");

 		}

 	if (!noout && !x509)

 		{

 		if 	(outformat == FORMAT_ASN1)

 			i=i2d_X509_REQ_bio(out,req);

 		else if (outformat == FORMAT_PEM) {

 			if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);

 			else i=PEM_write_bio_X509_REQ(out,req);

 		} else {

 			BIO_printf(bio_err,"bad output format specified for outfile\n");

 			goto end;

 			}

 		if (!i)

 			{

 			BIO_printf(bio_err,"unable to write X509 request\n");

 			goto end;

 			}

 		}

 	if (!noout && x509 && (x509ss != NULL))

 		{

 		if 	(outformat == FORMAT_ASN1)

 			i=i2d_X509_bio(out,x509ss);

 		else if (outformat == FORMAT_PEM)

 			i=PEM_write_bio_X509(out,x509ss);

 		else	{

 			BIO_printf(bio_err,"bad output format specified for outfile\n");

 			goto end;

 			}

 		if (!i)

 			{

 			BIO_printf(bio_err,"unable to write X509 certificate\n");

 			goto end;

 			}

 		}

 	ex=0;

 end:

 #ifndef MONOLITH

 	if(to_free)

 		OPENSSL_free(to_free);

 #endif

 	if (ex)

 		{

 		ERR_print_errors(bio_err);

 		}

 	if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);

 	BIO_free(in);

 	BIO_free_all(out);

 	EVP_PKEY_free(pkey);

 	X509_REQ_free(req);

 	X509_free(x509ss);

 	ASN1_INTEGER_free(serial);

 	if(passargin && passin) OPENSSL_free(passin);

 	if(passargout && passout) OPENSSL_free(passout);

 	OBJ_cleanup();

 #ifndef OPENSSL_NO_DSA

 	if (dsa_params != NULL) DSA_free(dsa_params);

 #endif

 #ifndef OPENSSL_NO_ECDSA

 	if (ec_params != NULL) EC_KEY_free(ec_params);

 #endif

 	apps_shutdown();

 	OPENSSL_EXIT(ex);

 	}

 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,

 			int attribs, unsigned long chtype)

 	{

 	int ret=0,i;

 	char no_prompt = 0;

 	STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;

 	char *tmp, *dn_sect,*attr_sect;

 	tmp=NCONF_get_string(req_conf,SECTION,PROMPT);

 	if (tmp == NULL)

 		ERR_clear_error();

 	if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;

 	dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);

 	if (dn_sect == NULL)

 		{

 		BIO_printf(bio_err,"unable to find '%s' in config\n",

 			DISTINGUISHED_NAME);

 		goto err;

 		}

 	dn_sk=NCONF_get_section(req_conf,dn_sect);

 	if (dn_sk == NULL)

 		{

 		BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);

 		goto err;

 		}

 	attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);

 	if (attr_sect == NULL)

 		{

 		ERR_clear_error();		

 		attr_sk=NULL;

 		}

 	else

 		{

 		attr_sk=NCONF_get_section(req_conf,attr_sect);

 		if (attr_sk == NULL)

 			{

 			BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);

 			goto err;

 			}

 		}

 	/* setup version number */

 	if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */

 	if (no_prompt) 

 		i = auto_info(req, dn_sk, attr_sk, attribs, chtype);

 	else 

 		{

 		if (subj)

 			i = build_subject(req, subj, chtype, multirdn);

 		else

 			i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);

 		}

 	if(!i) goto err;

 	if (!X509_REQ_set_pubkey(req,pkey)) goto err;

 	ret=1;

 err:

 	return(ret);

 	}

 /*

  * subject is expected to be in the format /type0=value0/type1=value1/type2=...

  * where characters may be escaped by \

  */

 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)

 	{

 	X509_NAME *n;

 	if (!(n = parse_name(subject, chtype, multirdn)))

 		return 0;

 	if (!X509_REQ_set_subject_name(req, n))

 		{

 		X509_NAME_free(n);

 		return 0;

 		}

 	X509_NAME_free(n);

 	return 1;

 }

 static int prompt_info(X509_REQ *req,

 		STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,

 		STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,

 		unsigned long chtype)

 	{

 	int i;

 	char *p,*q;

 	char buf[100];

 	int nid, mval;

 	long n_min,n_max;

 	char *type, *value;

 	const char *def;

 	CONF_VALUE *v;

 	X509_NAME *subj;

 	subj = X509_REQ_get_subject_name(req);

 	if(!batch)

 		{

 		BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");

 		BIO_printf(bio_err,"into your certificate request.\n");

 		BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");

 		BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");

 		BIO_printf(bio_err,"For some fields there will be a default value,\n");

 		BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");

 		BIO_printf(bio_err,"-----\n");

 		}

 	if (sk_CONF_VALUE_num(dn_sk))

 		{

 		i= -1;

 start:		for (;;)

 			{

 			i++;

 			if (sk_CONF_VALUE_num(dn_sk) <= i) break;

 			v=sk_CONF_VALUE_value(dn_sk,i);

 			p=q=NULL;

 			type=v->name;

 			if(!check_end(type,"_min") || !check_end(type,"_max") ||

 				!check_end(type,"_default") ||

 					 !check_end(type,"_value")) continue;

 			/* Skip past any leading X. X: X, etc to allow for

 			 * multiple instances 

 			 */

 			for(p = v->name; *p ; p++) 

 				if ((*p == ':') || (*p == ',') ||

 							 (*p == '.')) {

 					p++;

 					if(*p) type = p;

 					break;

 				}

 			if (*type == '+')

 				{

 				mval = -1;

 				type++;

 				}

 			else

 				mval = 0;

 			/* If OBJ not recognised ignore it */

 			if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;

 			if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)

 				>= (int)sizeof(buf))

 			   {

 			   BIO_printf(bio_err,"Name '%s' too long\n",v->name);

 			   return 0;

 			   }

 			if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)

 				{

 				ERR_clear_error();

 				def="";

 				}

 			BIO_snprintf(buf,sizeof buf,"%s_value",v->name);

 			if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)

 				{

 				ERR_clear_error();

 				value=NULL;

 				}

 			BIO_snprintf(buf,sizeof buf,"%s_min",v->name);

 			if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))

 				{

 				ERR_clear_error();

 				n_min = -1;

 				}

 			BIO_snprintf(buf,sizeof buf,"%s_max",v->name);

 			if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))

 				{

 				ERR_clear_error();

 				n_max = -1;

 				}

 			if (!add_DN_object(subj,v->value,def,value,nid,

 				n_min,n_max, chtype, mval))

 				return 0;

 			}

 		if (X509_NAME_entry_count(subj) == 0)

 			{

 			BIO_printf(bio_err,"error, no objects specified in config file\n");

 			return 0;

 			}

 		if (attribs)

 			{

 			if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))

 				{

 				BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");

 				BIO_printf(bio_err,"to be sent with your certificate request\n");

 				}

 			i= -1;

 start2:			for (;;)

 				{

 				i++;

 				if ((attr_sk == NULL) ||

 					    (sk_CONF_VALUE_num(attr_sk) <= i))

 					break;

 				v=sk_CONF_VALUE_value(attr_sk,i);

 				type=v->name;

 				if ((nid=OBJ_txt2nid(type)) == NID_undef)

 					goto start2;

 				if (BIO_snprintf(buf,sizeof buf,"%s_default",type)

 					>= (int)sizeof(buf))

 				   {

 				   BIO_printf(bio_err,"Name '%s' too long\n",v->name);

 				   return 0;

 				   }

 				if ((def=NCONF_get_string(req_conf,attr_sect,buf))

 					== NULL)

 					{

 					ERR_clear_error();

 					def="";

 					}

 				BIO_snprintf(buf,sizeof buf,"%s_value",type);

 				if ((value=NCONF_get_string(req_conf,attr_sect,buf))

 					== NULL)

 					{

 					ERR_clear_error();

 					value=NULL;

 					}

 				BIO_snprintf(buf,sizeof buf,"%s_min",type);

 				if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))

 					n_min = -1;

 				BIO_snprintf(buf,sizeof buf,"%s_max",type);

 				if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))

 					n_max = -1;

 				if (!add_attribute_object(req,

 					v->value,def,value,nid,n_min,n_max, chtype))

 					return 0;

 				}

 			}

 		}

 	else

 		{

 		BIO_printf(bio_err,"No template, please set one up.\n");

 		return 0;

 		}

 	return 1;

 	}

 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,

 			STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)

 	{

 	int i;

 	char *p,*q;

 	char *type;

 	CONF_VALUE *v;

 	X509_NAME *subj;

 	subj = X509_REQ_get_subject_name(req);

 	for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)

 		{

 		int mval;

 		v=sk_CONF_VALUE_value(dn_sk,i);

 		p=q=NULL;

 		type=v->name;

 		/* Skip past any leading X. X: X, etc to allow for

 		 * multiple instances 

 		 */

 		for(p = v->name; *p ; p++) 

 #ifndef CHARSET_EBCDIC

 			if ((*p == ':') || (*p == ',') || (*p == '.')) {

 #else

 			if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {

 #endif

 				p++;

 				if(*p) type = p;

 				break;

 			}

 #ifndef CHARSET_EBCDIC

 		if (*p == '+')

 #else

 		if (*p == os_toascii['+'])

 #endif

 			{

 			p++;

 			mval = -1;

 			}

 		else

 			mval = 0;

 		if (!X509_NAME_add_entry_by_txt(subj,type, chtype,

 				(unsigned char *) v->value,-1,-1,mval)) return 0;

 		}

 		if (!X509_NAME_entry_count(subj))

 			{

 			BIO_printf(bio_err,"error, no objects specified in config file\n");

 			return 0;

 			}

 		if (attribs)

 			{

 			for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)

 				{

 				v=sk_CONF_VALUE_value(attr_sk,i);

 				if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,

 					(unsigned char *)v->value, -1)) return 0;

 				}

 			}

 	return 1;

 	}

 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,

 	     int nid, int n_min, int n_max, unsigned long chtype, int mval)

 	{

 	int i,ret=0;

 	MS_STATIC char buf[1024];

 start:

 	if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);

 	(void)BIO_flush(bio_err);

 	if(value != NULL)

 		{

 		BUF_strlcpy(buf,value,sizeof buf);

 		BUF_strlcat(buf,"\n",sizeof buf);

 		BIO_printf(bio_err,"%s\n",value);

 		}

 	else

 		{

 		buf[0]='\0';

 		if (!batch)

 			{

 			fgets(buf,sizeof buf,stdin);

 			}

 		else

 			{

 			buf[0] = '\n';

 			buf[1] = '\0';

 			}

 		}

 	if (buf[0] == '\0') return(0);

 	else if (buf[0] == '\n')

 		{

 		if ((def == NULL) || (def[0] == '\0'))

 			return(1);

 		BUF_strlcpy(buf,def,sizeof buf);

 		BUF_strlcat(buf,"\n",sizeof buf);

 		}

 	else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);

 	i=strlen(buf);

 	if (buf[i-1] != '\n')

 		{

 		BIO_printf(bio_err,"weird input :-(\n");

 		return(0);

 		}

 	buf[--i]='\0';

 #ifdef CHARSET_EBCDIC

 	ebcdic2ascii(buf, buf, i);

 #endif

 	if(!req_check_len(i, n_min, n_max)) goto start;

 	if (!X509_NAME_add_entry_by_NID(n,nid, chtype,

 				(unsigned char *) buf, -1,-1,mval)) goto err;

 	ret=1;

 err:

 	return(ret);

 	}

 static int add_attribute_object(X509_REQ *req, char *text, const char *def,

 				char *value, int nid, int n_min,

 				int n_max, unsigned long chtype)

 	{

 	int i;

 	static char buf[1024];

 start:

 	if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);

 	(void)BIO_flush(bio_err);

 	if (value != NULL)

 		{

 		BUF_strlcpy(buf,value,sizeof buf);

 		BUF_strlcat(buf,"\n",sizeof buf);

 		BIO_printf(bio_err,"%s\n",value);

 		}

 	else

 		{

 		buf[0]='\0';

 		if (!batch)

 			{

 			fgets(buf,sizeof buf,stdin);

 			}

 		else

 			{

 			buf[0] = '\n';

 			buf[1] = '\0';

 			}

 		}

 	if (buf[0] == '\0') return(0);

 	else if (buf[0] == '\n')

 		{

 		if ((def == NULL) || (def[0] == '\0'))

 			return(1);

 		BUF_strlcpy(buf,def,sizeof buf);

 		BUF_strlcat(buf,"\n",sizeof buf);

 		}

 	else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);

 	i=strlen(buf);

 	if (buf[i-1] != '\n')

 		{

 		BIO_printf(bio_err,"weird input :-(\n");

 		return(0);

 		}

 	buf[--i]='\0';

 #ifdef CHARSET_EBCDIC

 	ebcdic2ascii(buf, buf, i);

 #endif

 	if(!req_check_len(i, n_min, n_max)) goto start;

 	if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,

 					(unsigned char *)buf, -1)) {

 		BIO_printf(bio_err, "Error adding attribute\n");

 		ERR_print_errors(bio_err);

 		goto err;

 	}

 	return(1);

 err:

 	return(0);

 	}

 #ifndef OPENSSL_NO_RSA

 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb)

 	{

 	char c='*';

 	if (p == 0) c='.';

 	if (p == 1) c='+';

 	if (p == 2) c='*';

 	if (p == 3) c='\n';

 	BIO_write(cb->arg,&c,1);

 	(void)BIO_flush(cb->arg);

 #ifdef LINT

 	p=n;

 #endif

 	return 1;

 	}

 #endif

 static int req_check_len(int len, int n_min, int n_max)

 	{

 	if ((n_min > 0) && (len < n_min))

 		{

 		BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);

 		return(0);

 		}

 	if ((n_max >= 0) && (len > n_max))

 		{

 		BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);

 		return(0);

 		}

 	return(1);

 	}

 /* Check if the end of a string matches 'end' */

 static int check_end(const char *str, const char *end)

 {

 	int elen, slen;	

 	const char *tmp;

 	elen = strlen(end);

 	slen = strlen(str);

 	if(elen > slen) return 1;

 	tmp = str + slen - elen;

 	return strcmp(tmp, end);

 }