req.c 31.0 KB
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/* apps/req.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 * 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.]
 */

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
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#ifdef NO_STDIO
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#define APPS_WIN16
#endif
#include "apps.h"
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#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>
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#define SECTION		"req"

#define BITS		"default_bits"
#define KEYFILE		"default_keyfile"
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#define PROMPT		"prompt"
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#define DISTINGUISHED_NAME	"distinguished_name"
#define ATTRIBUTES	"attributes"
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#define V3_EXTENSIONS	"x509_extensions"
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#define REQ_EXTENSIONS	"req_extensions"
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#define STRING_MASK	"string_mask"
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#define DEFAULT_KEY_LENGTH	512
#define MIN_KEY_LENGTH		384

#undef PROG
#define PROG	req_main

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/* -inform arg	- input format - default PEM (DER or PEM)
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 * -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	- key file format.
 * -newkey	- make a key and a request.
 * -modulus	- print RSA modulus.
 * -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,int attribs);
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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);
static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
				STACK_OF(CONF_VALUE) *attr, int attribs);
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static int add_attribute_object(X509_REQ *req, char *text,
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				char *def, char *value, int nid, int min,
				int max);
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static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
	int nid,int min,int max);
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#ifndef NO_RSA
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static void MS_CALLBACK req_cb(int p,int n,void *arg);
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#endif
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static int req_check_len(int len,int min,int max);
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static int check_end(char *str, char *end);
static int add_oid_section(LHASH *conf);
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#ifndef MONOLITH
static char *default_config_file=NULL;
static LHASH *config=NULL;
#endif
static LHASH *req_conf=NULL;

#define TYPE_RSA	1
#define TYPE_DSA	2
#define TYPE_DH		3

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int MAIN(int, char **);

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int MAIN(int argc, char **argv)
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	{
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#ifndef NO_DSA
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	DSA *dsa_params=NULL;
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#endif
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	int ex=1,x509=0,days=30;
	X509 *x509ss=NULL;
	X509_REQ *req=NULL;
	EVP_PKEY *pkey=NULL;
	int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
	BIO *in=NULL,*out=NULL;
	int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
	int nodes=0,kludge=0;
	char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
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	char *extensions = NULL;
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	char *req_exts = NULL;
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	EVP_CIPHER *cipher=NULL;
	int modulus=0;
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	char *passin = NULL, *passout = NULL;
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	char *p;
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	const EVP_MD *md_alg=NULL,*digest=EVP_md5();
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#ifndef MONOLITH
	MS_STATIC char config_name[256];
#endif

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	req_conf = NULL;
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#ifndef NO_DES
	cipher=EVP_des_ede3_cbc();
#endif
	apps_startup();

	if (bio_err == NULL)
		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
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			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
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	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));
			}
		else if (strcmp(*argv,"-key") == 0)
			{
			if (--argc < 1) goto bad;
			keyfile= *(++argv);
			}
		else if (strcmp(*argv,"-new") == 0)
			{
			pkey_type=TYPE_RSA;
			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);
			}
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		else if (strcmp(*argv,"-passin") == 0)
			{
			if (--argc < 1) goto bad;
			passin= *(++argv);
			}
		else if (strcmp(*argv,"-envpassin") == 0)
			{
			if (--argc < 1) goto bad;
				if(!(passin= getenv(*(++argv))))
				{
				BIO_printf(bio_err,
				 "Can't read environment variable %s\n",
								*argv);
				badops = 1;
				}
			}
		else if (strcmp(*argv,"-envpassout") == 0)
			{
			if (--argc < 1) goto bad;
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			if(!(passout= getenv(*(++argv))))
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				{
				BIO_printf(bio_err,
				 "Can't read environment variable %s\n",
								*argv);
				badops = 1;
				}
			}
		else if (strcmp(*argv,"-passout") == 0)
			{
			if (--argc < 1) goto bad;
			passout= *(++argv);
			}
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		else if (strcmp(*argv,"-newkey") == 0)
			{
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			int is_numeric;

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			if (--argc < 1) goto bad;
			p= *(++argv);
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			is_numeric = p[0] >= '0' && p[0] <= '9';
			if (strncmp("rsa:",p,4) == 0 || is_numeric)
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				{
				pkey_type=TYPE_RSA;
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				if(!is_numeric)
				    p+=4;
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				newkey= atoi(p);
				}
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			else
#ifndef NO_DSA
				if (strncmp("dsa:",p,4) == 0)
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				{
				X509 *xtmp=NULL;
				EVP_PKEY *dtmp;

				pkey_type=TYPE_DSA;
				p+=4;
				if ((in=BIO_new_file(p,"r")) == NULL)
					{
					perror(p);
					goto end;
					}
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				if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
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					{
					ERR_clear_error();
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					(void)BIO_reset(in);
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					if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
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						{
						BIO_printf(bio_err,"unable to load DSA parameters from file\n");
						goto end;
						}
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					dtmp=X509_get_pubkey(xtmp);
					if (dtmp->type == EVP_PKEY_DSA)
						dsa_params=DSAparams_dup(dtmp->pkey.dsa);
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					EVP_PKEY_free(dtmp);
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					X509_free(xtmp);
					if (dsa_params == NULL)
						{
						BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
						goto end;
						}
					}
				BIO_free(in);
				newkey=BN_num_bits(dsa_params->p);
				in=NULL;
				}
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			else 
#endif
#ifndef NO_DH
				if (strncmp("dh:",p,4) == 0)
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				{
				pkey_type=TYPE_DH;
				p+=3;
				}
			else
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#endif
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				pkey_type=TYPE_RSA;

			newreq=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,"-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,"-days") == 0)
			{
			if (--argc < 1) goto bad;
			days= atoi(*(++argv));
			if (days == 0) days=30;
			}
		else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
			{
			/* ok */
			digest=md_alg;
			}
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		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);
			}
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		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");
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		BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
		BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
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		BIO_printf(bio_err," -in arg        input file\n");
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		BIO_printf(bio_err," -out arg       output file\n");
		BIO_printf(bio_err," -text          text form of request\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");
		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," -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");

		BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
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		BIO_printf(bio_err," -config file   request template file.\n");
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		BIO_printf(bio_err," -new           new request.\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 x509 generated by -x509 is valid for.\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,"                [ It is now always turned on but can be turned off with -no-asn1-kludge ]\n");
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		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");
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		goto end;
		}

	ERR_load_crypto_strings();

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#ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
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	/* Lets load up our environment a little */
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	p=getenv("OPENSSL_CONF");
	if (p == NULL)
		p=getenv("SSLEAY_CONF");
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	if (p == NULL)
		{
		strcpy(config_name,X509_get_default_cert_area());
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#ifndef VMS
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		strcat(config_name,"/");
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#endif
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		strcat(config_name,OPENSSL_CONF);
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		p=config_name;
		}
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	default_config_file=p;
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	config=CONF_load(config,p,NULL);
#endif

	if (template != NULL)
		{
		long errline;

		BIO_printf(bio_err,"Using configuration from %s\n",template);
		req_conf=CONF_load(NULL,template,&errline);
		if (req_conf == NULL)
			{
			BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
			goto end;
			}
		}
	else
		{
		req_conf=config;
		BIO_printf(bio_err,"Using configuration from %s\n",
			default_config_file);
		if (req_conf == NULL)
			{
			BIO_printf(bio_err,"Unable to load config info\n");
			}
		}

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	if (req_conf != NULL)
		{
		p=CONF_get_string(req_conf,NULL,"oid_file");
		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);
				}
			}
		}
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		if(!add_oid_section(req_conf)) goto end;
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	if ((md_alg == NULL) &&
		((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
		{
		if ((md_alg=EVP_get_digestbyname(p)) != NULL)
			digest=md_alg;
		}

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	if(!extensions)
		extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
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	if(extensions) {
		/* Check syntax of file */
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		X509V3_CTX ctx;
		X509V3_set_ctx_test(&ctx);
		X509V3_set_conf_lhash(&ctx, req_conf);
		if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
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			BIO_printf(bio_err,
			 "Error Loading extension section %s\n", extensions);
			goto end;
		}
	}
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	if(!passin)
		passin = CONF_get_string(req_conf, SECTION, "input_password");

	if(!passout)
		passout = CONF_get_string(req_conf, SECTION, "output_password");

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	p = CONF_get_string(req_conf, SECTION, STRING_MASK);
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	if(p && !ASN1_STRING_set_default_mask_asc(p)) {
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		BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
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		goto end;
	}

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	if(!req_exts)
		req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
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	if(req_exts) {
		/* Check syntax of file */
		X509V3_CTX ctx;
		X509V3_set_ctx_test(&ctx);
		X509V3_set_conf_lhash(&ctx, req_conf);
		if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
			BIO_printf(bio_err,
			 "Error Loading request extension section %s\n",
								req_exts);
			goto end;
		}
	}

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	in=BIO_new(BIO_s_file());
	out=BIO_new(BIO_s_file());
	if ((in == NULL) || (out == NULL))
		goto end;

	if (keyfile != NULL)
		{
		if (BIO_read_filename(in,keyfile) <= 0)
			{
			perror(keyfile);
			goto end;
			}

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		if (keyform == FORMAT_ASN1)
			pkey=d2i_PrivateKey_bio(in,NULL);
		else if (keyform == FORMAT_PEM)
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			{
			pkey=PEM_read_bio_PrivateKey(in,NULL,PEM_cb,passin);
			}
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		else
			{
			BIO_printf(bio_err,"bad input format specified for X509 request\n");
			goto end;
			}

		if (pkey == NULL)
			{
			BIO_printf(bio_err,"unable to load Private key\n");
			goto end;
			}
		}

	if (newreq && (pkey == NULL))
		{
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		char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
		app_RAND_load_file(randfile, bio_err, 0);
	
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		if (newkey <= 0)
			{
			newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
			if (newkey <= 0)
				newkey=DEFAULT_KEY_LENGTH;
			}

		if (newkey < MIN_KEY_LENGTH)
			{
			BIO_printf(bio_err,"private key length is too short,\n");
			BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
			goto end;
			}
		BIO_printf(bio_err,"Generating a %d bit %s private key\n",
			newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");

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

#ifndef NO_RSA
		if (pkey_type == TYPE_RSA)
			{
			if (!EVP_PKEY_assign_RSA(pkey,
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				RSA_generate_key(newkey,0x10001,
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					req_cb,bio_err)))
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				goto end;
			}
		else
#endif
#ifndef 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

600
		app_RAND_write_file(randfile, bio_err);
601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631

		if (pkey == NULL) goto end;

		if (keyout == NULL)
			keyout=CONF_get_string(req_conf,SECTION,KEYFILE);

		if (keyout == NULL)
			{
			BIO_printf(bio_err,"writing new private key to stdout\n");
			BIO_set_fp(out,stdout,BIO_NOCLOSE);
			}
		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=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
		if (p == NULL)
			p=CONF_get_string(req_conf,SECTION,"encrypt_key");
		if ((p != NULL) && (strcmp(p,"no") == 0))
			cipher=NULL;
		if (nodes) cipher=NULL;
		
		i=0;
loop:
		if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
632
			NULL,0,PEM_cb,passout))
633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665
			{
			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)
666
			req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
667 668 669 670 671 672 673 674 675 676 677 678 679 680
		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)
		{
681
#ifndef NO_DSA
682 683
		if (pkey->type == EVP_PKEY_DSA)
			digest=EVP_dss1();
684
#endif
685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709

		if (pkey == NULL)
			{
			BIO_printf(bio_err,"you need to specify a private key\n");
			goto end;
			}
		if (req == NULL)
			{
			req=X509_REQ_new();
			if (req == NULL)
				{
				goto end;
				}

			i=make_REQ(req,pkey,!x509);
			if (kludge >= 0)
				req->req_info->req_kludge=kludge;
			if (!i)
				{
				BIO_printf(bio_err,"problems making Certificate Request\n");
				goto end;
				}
			}
		if (x509)
			{
710
			EVP_PKEY *tmppkey;
711
			X509V3_CTX ext_ctx;
712 713
			if ((x509ss=X509_new()) == NULL) goto end;

714 715
			/* Set version to V3 */
			if(!X509_set_version(x509ss, 2)) goto end;
716 717 718 719 720 721 722 723 724
			ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);

			X509_set_issuer_name(x509ss,
				X509_REQ_get_subject_name(req));
			X509_gmtime_adj(X509_get_notBefore(x509ss),0);
			X509_gmtime_adj(X509_get_notAfter(x509ss),
				(long)60*60*24*days);
			X509_set_subject_name(x509ss,
				X509_REQ_get_subject_name(req));
725 726 727
			tmppkey = X509_REQ_get_pubkey(req);
			X509_set_pubkey(x509ss,tmppkey);
			EVP_PKEY_free(tmppkey);
728

729 730
			/* Set up V3 context struct */

731 732
			X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
			X509V3_set_conf_lhash(&ext_ctx, req_conf);
733 734 735

			/* Add extensions */
			if(extensions && !X509V3_EXT_add_conf(req_conf, 
B
Ben Laurie 已提交
736 737 738 739 740 741 742
				 	&ext_ctx, extensions, x509ss))
			    {
			    BIO_printf(bio_err,
				       "Error Loading extension section %s\n",
				       extensions);
			    goto end;
			    }
743

744 745 746 747 748
			if (!(i=X509_sign(x509ss,pkey,digest)))
				goto end;
			}
		else
			{
749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764
			X509V3_CTX ext_ctx;

			/* Set up V3 context struct */

			X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
			X509V3_set_conf_lhash(&ext_ctx, req_conf);

			/* Add extensions */
			if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf, 
				 	&ext_ctx, req_exts, req))
			    {
			    BIO_printf(bio_err,
				       "Error Loading extension section %s\n",
				       req_exts);
			    goto end;
			    }
765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781
			if (!(i=X509_REQ_sign(req,pkey,digest)))
				goto end;
			}
		}

	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);
782 783 784 785
		if (tmp) {
			EVP_PKEY_free(pkey);
			pkey=NULL;
		}
786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841

		if (i < 0)
			{
			goto end;
			}
		else if (i == 0)
			{
			BIO_printf(bio_err,"verify failure\n");
			}
		else /* if (i > 0) */
			BIO_printf(bio_err,"verify OK\n");
		}

	if (noout && !text && !modulus)
		{
		ex=0;
		goto end;
		}

	if (outfile == NULL)
		BIO_set_fp(out,stdout,BIO_NOCLOSE);
	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 (text)
		{
		if (x509)
			X509_print(out,x509ss);
		else	
			X509_REQ_print(out,req);
		}

	if (modulus)
		{
		EVP_PKEY *pubkey;

		if (x509)
			pubkey=X509_get_pubkey(x509ss);
		else
			pubkey=X509_REQ_get_pubkey(req);
		if (pubkey == NULL)
			{
			fprintf(stdout,"Modulus=unavailable\n");
			goto end; 
			}
		fprintf(stdout,"Modulus=");
842
#ifndef NO_RSA
843 844 845
		if (pubkey->type == EVP_PKEY_RSA)
			BN_print(out,pubkey->pkey.rsa->n);
		else
846
#endif
847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889
			fprintf(stdout,"Wrong Algorithm type");
		fprintf(stdout,"\n");
		}

	if (!noout && !x509)
		{
		if 	(outformat == FORMAT_ASN1)
			i=i2d_X509_REQ_bio(out,req);
		else if (outformat == FORMAT_PEM)
			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:
	if (ex)
		{
		ERR_print_errors(bio_err);
		}
	if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
890 891 892 893 894 895
	BIO_free(in);
	BIO_free(out);
	EVP_PKEY_free(pkey);
	X509_REQ_free(req);
	X509_free(x509ss);
	OBJ_cleanup();
896
#ifndef NO_DSA
897
	if (dsa_params != NULL) DSA_free(dsa_params);
898
#endif
899 900 901
	EXIT(ex);
	}

U
Ulf Möller 已提交
902
static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
903
	{
904
	int ret=0,i;
905 906 907 908 909 910 911 912 913
	char no_prompt = 0;
	STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
	char *tmp, *dn_sect,*attr_sect;

	tmp=CONF_get_string(req_conf,SECTION,PROMPT);
	if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;

	dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
	if (dn_sect == NULL)
914 915 916 917 918
		{
		BIO_printf(bio_err,"unable to find '%s' in config\n",
			DISTINGUISHED_NAME);
		goto err;
		}
919 920
	dn_sk=CONF_get_section(req_conf,dn_sect);
	if (dn_sk == NULL)
921
		{
922
		BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
923 924 925
		goto err;
		}

926 927 928
	attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
	if (attr_sect == NULL)
		attr_sk=NULL;
929 930
	else
		{
931 932
		attr_sk=CONF_get_section(req_conf,attr_sect);
		if (attr_sk == NULL)
933
			{
934
			BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
935 936 937 938
			goto err;
			}
		}

939
	/* setup version number */
940
	if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
941

942 943 944
	if(no_prompt) i = auto_info(req, dn_sk, attr_sk, attribs);
	else i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs);
	if(!i) goto err;
945 946 947 948 949 950 951 952

	X509_REQ_set_pubkey(req,pkey);

	ret=1;
err:
	return(ret);
	}

953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061

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)
	{
	int i;
	char *p,*q;
	char buf[100];
	int nid,min,max;
	char *type,*def,*value;
	CONF_VALUE *v;
	X509_NAME *subj;
	subj = X509_REQ_get_subject_name(req);
	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 OBJ not recognised ignore it */
			if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
			sprintf(buf,"%s_default",v->name);
			if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
				def="";
				
			sprintf(buf,"%s_value",v->name);
			if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
				value=NULL;

			sprintf(buf,"%s_min",v->name);
			min=(int)CONF_get_number(req_conf,dn_sect,buf);

			sprintf(buf,"%s_max",v->name);
			max=(int)CONF_get_number(req_conf,dn_sect,buf);

			if (!add_DN_object(subj,v->value,def,value,nid,
				min,max))
				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))
				{
				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;

				sprintf(buf,"%s_default",type);
				if ((def=CONF_get_string(req_conf,attr_sect,buf))
					== NULL)
					def="";
				
				sprintf(buf,"%s_value",type);
				if ((value=CONF_get_string(req_conf,attr_sect,buf))
					== NULL)
					value=NULL;

				sprintf(buf,"%s_min",type);
				min=(int)CONF_get_number(req_conf,attr_sect,buf);

				sprintf(buf,"%s_max",type);
				max=(int)CONF_get_number(req_conf,attr_sect,buf);

1062
				if (!add_attribute_object(req,
1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114
					v->value,def,value,nid,min,max))
					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)
	{
	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++)
		{
		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++) 
			if ((*p == ':') || (*p == ',') || (*p == '.')) {
				p++;
				if(*p) type = p;
				break;
			}
		if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC,
				(unsigned char *) v->value,-1,-1,0)) return 0;

		}

		if (!X509_NAME_entry_count(subj))
			{
			BIO_printf(bio_err,"error, no objects specified in config file\n");
			return 0;
			}
		if (attribs)
			{
1115
			for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1116 1117
				{
				v=sk_CONF_VALUE_value(attr_sk,i);
1118 1119
				if(!X509_REQ_radd_attr_by_txt(req, v->name, MBSTRING_ASC,
					(unsigned char *)v->value, -1)) return 0;
1120 1121 1122 1123 1124 1125
				}
			}
	return 1;
	}


U
Ulf Möller 已提交
1126 1127
static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
	     int nid, int min, int max)
1128
	{
1129
	int i,ret=0;
1130
	MS_STATIC char buf[1024];
1131
start:
1132
	BIO_printf(bio_err,"%s [%s]:",text,def);
B
Bodo Möller 已提交
1133
	(void)BIO_flush(bio_err);
1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163
	if (value != NULL)
		{
		strcpy(buf,value);
		strcat(buf,"\n");
		BIO_printf(bio_err,"%s\n",value);
		}
	else
		{
		buf[0]='\0';
		fgets(buf,1024,stdin);
		}

	if (buf[0] == '\0') return(0);
	else if (buf[0] == '\n')
		{
		if ((def == NULL) || (def[0] == '\0'))
			return(1);
		strcpy(buf,def);
		strcat(buf,"\n");
		}
	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';

1164 1165 1166
#ifdef CHARSET_EBCDIC
	ebcdic2ascii(buf, buf, i);
#endif
1167
	if(!req_check_len(i, min, max)) goto start;
1168 1169
	if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
				(unsigned char *) buf, -1,-1,0)) goto err;
1170 1171 1172 1173 1174
	ret=1;
err:
	return(ret);
	}

1175
static int add_attribute_object(X509_REQ *req, char *text,
B
Ben Laurie 已提交
1176 1177
				char *def, char *value, int nid, int min,
				int max)
1178
	{
1179
	int i;
1180 1181 1182 1183
	static char buf[1024];

start:
	BIO_printf(bio_err,"%s [%s]:",text,def);
B
Bodo Möller 已提交
1184
	(void)BIO_flush(bio_err);
1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213
	if (value != NULL)
		{
		strcpy(buf,value);
		strcat(buf,"\n");
		BIO_printf(bio_err,"%s\n",value);
		}
	else
		{
		buf[0]='\0';
		fgets(buf,1024,stdin);
		}

	if (buf[0] == '\0') return(0);
	else if (buf[0] == '\n')
		{
		if ((def == NULL) || (def[0] == '\0'))
			return(1);
		strcpy(buf,def);
		strcat(buf,"\n");
		}
	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';
1214
	if(!req_check_len(i, min, max)) goto start;
1215

1216 1217 1218 1219
	if(!X509_REQ_radd_attr_by_NID(req, nid, MBSTRING_ASC,
					(unsigned char *)buf, -1)) {
		BIO_printf(bio_err, "Error adding attribute\n");
		ERR_print_errors(bio_err);
1220
		goto err;
1221
	}
1222 1223 1224 1225 1226 1227

	return(1);
err:
	return(0);
	}

B
Ben Laurie 已提交
1228
#ifndef NO_RSA
B
Ben Laurie 已提交
1229
static void MS_CALLBACK req_cb(int p, int n, void *arg)
1230 1231 1232 1233 1234 1235 1236
	{
	char c='*';

	if (p == 0) c='.';
	if (p == 1) c='+';
	if (p == 2) c='*';
	if (p == 3) c='\n';
1237
	BIO_write((BIO *)arg,&c,1);
B
Bodo Möller 已提交
1238
	(void)BIO_flush((BIO *)arg);
1239 1240 1241 1242
#ifdef LINT
	p=n;
#endif
	}
B
Ben Laurie 已提交
1243
#endif
1244

1245
static int req_check_len(int len, int min, int max)
1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258
	{
	if (len < min)
		{
		BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
		return(0);
		}
	if ((max != 0) && (len > max))
		{
		BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
		return(0);
		}
	return(1);
	}
1259 1260

/* Check if the end of a string matches 'end' */
U
Ulf Möller 已提交
1261
static int check_end(char *str, char *end)
1262 1263 1264 1265 1266 1267 1268 1269 1270 1271
{
	int elen, slen;	
	char *tmp;
	elen = strlen(end);
	slen = strlen(str);
	if(elen > slen) return 1;
	tmp = str + slen - elen;
	return strcmp(tmp, end);
}

U
Ulf Möller 已提交
1272
static int add_oid_section(LHASH *conf)
1273 1274
{	
	char *p;
1275
	STACK_OF(CONF_VALUE) *sktmp;
1276 1277 1278 1279 1280 1281 1282
	CONF_VALUE *cnf;
	int i;
	if(!(p=CONF_get_string(conf,NULL,"oid_section"))) return 1;
	if(!(sktmp = CONF_get_section(conf, p))) {
		BIO_printf(bio_err, "problem loading oid section %s\n", p);
		return 0;
	}
1283 1284
	for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
		cnf = sk_CONF_VALUE_value(sktmp, i);
1285 1286 1287 1288 1289 1290 1291 1292
		if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
			BIO_printf(bio_err, "problem creating object %s=%s\n",
							 cnf->name, cnf->value);
			return 0;
		}
	}
	return 1;
}