ca.c

/* apps/ca.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.]
 */

/* The PPKI stuff has been donated by Jeff Barber <jeffb@issl.atl.hp.com> */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <openssl/conf.h>
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/bn.h>
#include <openssl/txt_db.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/objects.h>
#include <openssl/ocsp.h>
#include <openssl/pem.h>

#ifdef OPENSSL_SYS_WINDOWS
#define strcasecmp _stricmp
#else
#  ifdef NO_STRINGS_H
    int	strcasecmp();
#  else
#    include <strings.h>
#  endif /* NO_STRINGS_H */
#endif

#ifndef W_OK
#  ifdef OPENSSL_SYS_VMS
#    if defined(__DECC)
#      include <unistd.h>
#    else
#      include <unixlib.h>
#    endif
#  elif !defined(OPENSSL_SYS_VXWORKS) && !defined(OPENSSL_SYS_WINDOWS)
#    include <sys/file.h>
#  endif
#endif

#include "apps.h"

#ifndef W_OK
#  define F_OK 0
#  define X_OK 1
#  define W_OK 2
#  define R_OK 4
#endif

#undef PROG
#define PROG ca_main

#define BASE_SECTION	"ca"
#define CONFIG_FILE "openssl.cnf"

#define ENV_DEFAULT_CA		"default_ca"

#define ENV_DIR			"dir"
#define ENV_CERTS		"certs"
#define ENV_CRL_DIR		"crl_dir"
#define ENV_CA_DB		"CA_DB"
#define ENV_NEW_CERTS_DIR	"new_certs_dir"
#define ENV_CERTIFICATE 	"certificate"
#define ENV_SERIAL		"serial"
#define ENV_CRL			"crl"
#define ENV_PRIVATE_KEY		"private_key"
#define ENV_RANDFILE		"RANDFILE"
#define ENV_DEFAULT_DAYS 	"default_days"
#define ENV_DEFAULT_STARTDATE 	"default_startdate"
#define ENV_DEFAULT_ENDDATE 	"default_enddate"
#define ENV_DEFAULT_CRL_DAYS 	"default_crl_days"
#define ENV_DEFAULT_CRL_HOURS 	"default_crl_hours"
#define ENV_DEFAULT_MD		"default_md"
#define ENV_DEFAULT_EMAIL_DN	"email_in_dn"
#define ENV_PRESERVE		"preserve"
#define ENV_POLICY      	"policy"
#define ENV_EXTENSIONS      	"x509_extensions"
#define ENV_CRLEXT      	"crl_extensions"
#define ENV_MSIE_HACK		"msie_hack"
#define ENV_NAMEOPT		"name_opt"
#define ENV_CERTOPT		"cert_opt"
#define ENV_EXTCOPY		"copy_extensions"

#define ENV_DATABASE		"database"

/* Additional revocation information types */

#define REV_NONE		0	/* No addditional information */
#define REV_CRL_REASON		1	/* Value is CRL reason code */
#define REV_HOLD		2	/* Value is hold instruction */
#define REV_KEY_COMPROMISE	3	/* Value is cert key compromise time */
#define REV_CA_COMPROMISE	4	/* Value is CA key compromise time */

static char *ca_usage[]={
"usage: ca args\n",
"\n",
" -verbose        - Talk alot while doing things\n",
" -config file    - A config file\n",
" -name arg       - The particular CA definition to use\n",
" -gencrl         - Generate a new CRL\n",
" -crldays days   - Days is when the next CRL is due\n",
" -crlhours hours - Hours is when the next CRL is due\n",
" -startdate YYMMDDHHMMSSZ  - certificate validity notBefore\n",
" -enddate YYMMDDHHMMSSZ    - certificate validity notAfter (overrides -days)\n",
" -days arg       - number of days to certify the certificate for\n",
" -md arg         - md to use, one of md2, md5, sha or sha1\n",
" -policy arg     - The CA 'policy' to support\n",
" -keyfile arg    - private key file\n",
" -keyform arg    - private key file format (PEM or ENGINE)\n",
" -key arg        - key to decode the private key if it is encrypted\n",
" -cert file      - The CA certificate\n",
" -in file        - The input PEM encoded certificate request(s)\n",
" -out file       - Where to put the output file(s)\n",
" -outdir dir     - Where to put output certificates\n",
" -infiles ....   - The last argument, requests to process\n",
" -spkac file     - File contains DN and signed public key and challenge\n",
" -ss_cert file   - File contains a self signed cert to sign\n",
" -preserveDN     - Don't re-order the DN\n",
" -noemailDN      - Don't add the EMAIL field into certificate' subject\n",
" -batch          - Don't ask questions\n",
" -msie_hack      - msie modifications to handle all those universal strings\n",
" -revoke file    - Revoke a certificate (given in file)\n",
" -subj arg       - Use arg instead of request's subject\n",
" -extensions ..  - Extension section (override value in config file)\n",
" -extfile file   - Configuration file with X509v3 extentions to add\n",
" -crlexts ..     - CRL extension section (override value in config file)\n",
#ifndef OPENSSL_NO_ENGINE
" -engine e       - use engine e, possibly a hardware device.\n",
#endif
" -status serial  - Shows certificate status given the serial number\n",
" -updatedb       - Updates db for expired certificates\n",
NULL
};

#ifdef EFENCE
extern int EF_PROTECT_FREE;
extern int EF_PROTECT_BELOW;
extern int EF_ALIGNMENT;
#endif

static void lookup_fail(char *name,char *tag);
static int certify(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
		   const EVP_MD *dgst,STACK_OF(CONF_VALUE) *policy,CA_DB *db,
		   BIGNUM *serial, char *subj, int email_dn, char *startdate,
		   char *enddate, long days, int batch, char *ext_sect, CONF *conf,
		   int verbose, unsigned long certopt, unsigned long nameopt,
		   int default_op, int ext_copy, int selfsign);
static int certify_cert(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
			const EVP_MD *dgst,STACK_OF(CONF_VALUE) *policy,
			CA_DB *db, BIGNUM *serial, char *subj, int email_dn,
			char *startdate, char *enddate, long days, int batch,
			char *ext_sect, CONF *conf,int verbose, unsigned long certopt,
			unsigned long nameopt, int default_op, int ext_copy,
			ENGINE *e);
static int certify_spkac(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
			 const EVP_MD *dgst,STACK_OF(CONF_VALUE) *policy,
			 CA_DB *db, BIGNUM *serial,char *subj, int email_dn,
			 char *startdate, char *enddate, long days, char *ext_sect,
			 CONF *conf, int verbose, unsigned long certopt, 
			 unsigned long nameopt, int default_op, int ext_copy);
static int fix_data(int nid, int *type);
static void write_new_certificate(BIO *bp, X509 *x, int output_der, int notext);
static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, const EVP_MD *dgst,
	STACK_OF(CONF_VALUE) *policy, CA_DB *db, BIGNUM *serial,char *subj,
	int email_dn, char *startdate, char *enddate, long days, int batch,
       	int verbose, X509_REQ *req, char *ext_sect, CONF *conf,
	unsigned long certopt, unsigned long nameopt, int default_op,
	int ext_copy, int selfsign);
static int do_revoke(X509 *x509, CA_DB *db, int ext, char *extval);
static int get_certificate_status(const char *ser_status, CA_DB *db);
static int do_updatedb(CA_DB *db);
static int check_time_format(char *str);
char *make_revocation_str(int rev_type, char *rev_arg);
int make_revoked(X509_REVOKED *rev, char *str);
int old_entry_print(BIO *bp, ASN1_OBJECT *obj, ASN1_STRING *str);
static CONF *conf=NULL;
static CONF *extconf=NULL;
static char *section=NULL;

static int preserve=0;
static int msie_hack=0;


int MAIN(int, char **);

int MAIN(int argc, char **argv)
	{
	ENGINE *e = NULL;
	char *key=NULL,*passargin=NULL;
	int free_key = 0;
	int total=0;
	int total_done=0;
	int badops=0;
	int ret=1;
	int email_dn=1;
	int req=0;
	int verbose=0;
	int gencrl=0;
	int dorevoke=0;
	int doupdatedb=0;
	long crldays=0;
	long crlhours=0;
	long errorline= -1;
	char *configfile=NULL;
	char *md=NULL;
	char *policy=NULL;
	char *keyfile=NULL;
	char *certfile=NULL;
	int keyform=FORMAT_PEM;
	char *infile=NULL;
	char *spkac_file=NULL;
	char *ss_cert_file=NULL;
	char *ser_status=NULL;
	EVP_PKEY *pkey=NULL;
	int output_der = 0;
	char *outfile=NULL;
	char *outdir=NULL;
	char *serialfile=NULL;
	char *extensions=NULL;
	char *extfile=NULL;
	char *subj=NULL;
	char *tmp_email_dn=NULL;
	char *crl_ext=NULL;
	int rev_type = REV_NONE;
	char *rev_arg = NULL;
	BIGNUM *serial=NULL;
	char *startdate=NULL;
	char *enddate=NULL;
	long days=0;
	int batch=0;
	int notext=0;
	unsigned long nameopt = 0, certopt = 0;
	int default_op = 1;
	int ext_copy = EXT_COPY_NONE;
	int selfsign = 0;
	X509 *x509=NULL, *x509p = NULL;
	X509 *x=NULL;
	BIO *in=NULL,*out=NULL,*Sout=NULL,*Cout=NULL;
	char *dbfile=NULL;
	CA_DB *db=NULL;
	X509_CRL *crl=NULL;
	X509_REVOKED *r=NULL;
	ASN1_TIME *tmptm;
	ASN1_INTEGER *tmpser;
	char **pp,*p,*f;
	int i,j;
	const EVP_MD *dgst=NULL;
	STACK_OF(CONF_VALUE) *attribs=NULL;
	STACK_OF(X509) *cert_sk=NULL;
#undef BSIZE
#define BSIZE 256
	MS_STATIC char buf[3][BSIZE];
	char *randfile=NULL;
#ifndef OPENSSL_NO_ENGINE
	char *engine = NULL;
#endif
	char *tofree=NULL;
	DB_ATTR db_attr;

#ifdef EFENCE
EF_PROTECT_FREE=1;
EF_PROTECT_BELOW=1;
EF_ALIGNMENT=0;
#endif

	apps_startup();

	conf = NULL;
	key = NULL;
	section = NULL;

	preserve=0;
	msie_hack=0;
	if (bio_err == NULL)
		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);

	argc--;
	argv++;
	while (argc >= 1)
		{
		if	(strcmp(*argv,"-verbose") == 0)
			verbose=1;
		else if	(strcmp(*argv,"-config") == 0)
			{
			if (--argc < 1) goto bad;
			configfile= *(++argv);
			}
		else if (strcmp(*argv,"-name") == 0)
			{
			if (--argc < 1) goto bad;
			section= *(++argv);
			}
		else if (strcmp(*argv,"-subj") == 0)
			{
			if (--argc < 1) goto bad;
			subj= *(++argv);
			/* preserve=1; */
			}
		else if (strcmp(*argv,"-startdate") == 0)
			{
			if (--argc < 1) goto bad;
			startdate= *(++argv);
			}
		else if (strcmp(*argv,"-enddate") == 0)
			{
			if (--argc < 1) goto bad;
			enddate= *(++argv);
			}
		else if (strcmp(*argv,"-days") == 0)
			{
			if (--argc < 1) goto bad;
			days=atoi(*(++argv));
			}
		else if (strcmp(*argv,"-md") == 0)
			{
			if (--argc < 1) goto bad;
			md= *(++argv);
			}
		else if (strcmp(*argv,"-policy") == 0)
			{
			if (--argc < 1) goto bad;
			policy= *(++argv);
			}
		else if (strcmp(*argv,"-keyfile") == 0)
			{
			if (--argc < 1) goto bad;
			keyfile= *(++argv);
			}
		else if (strcmp(*argv,"-keyform") == 0)
			{
			if (--argc < 1) goto bad;
			keyform=str2fmt(*(++argv));
			}
		else if (strcmp(*argv,"-passin") == 0)
			{
			if (--argc < 1) goto bad;
			passargin= *(++argv);
			}
		else if (strcmp(*argv,"-key") == 0)
			{
			if (--argc < 1) goto bad;
			key= *(++argv);
			}
		else if (strcmp(*argv,"-cert") == 0)
			{
			if (--argc < 1) goto bad;
			certfile= *(++argv);
			}
		else if (strcmp(*argv,"-selfsign") == 0)
			selfsign=1;
		else if (strcmp(*argv,"-in") == 0)
			{
			if (--argc < 1) goto bad;
			infile= *(++argv);
			req=1;
			}
		else if (strcmp(*argv,"-out") == 0)
			{
			if (--argc < 1) goto bad;
			outfile= *(++argv);
			}
		else if (strcmp(*argv,"-outdir") == 0)
			{
			if (--argc < 1) goto bad;
			outdir= *(++argv);
			}
		else if (strcmp(*argv,"-notext") == 0)
			notext=1;
		else if (strcmp(*argv,"-batch") == 0)
			batch=1;
		else if (strcmp(*argv,"-preserveDN") == 0)
			preserve=1;
		else if (strcmp(*argv,"-noemailDN") == 0)
			email_dn=0;
		else if (strcmp(*argv,"-gencrl") == 0)
			gencrl=1;
		else if (strcmp(*argv,"-msie_hack") == 0)
			msie_hack=1;
		else if (strcmp(*argv,"-crldays") == 0)
			{
			if (--argc < 1) goto bad;
			crldays= atol(*(++argv));
			}
		else if (strcmp(*argv,"-crlhours") == 0)
			{
			if (--argc < 1) goto bad;
			crlhours= atol(*(++argv));
			}
		else if (strcmp(*argv,"-infiles") == 0)
			{
			argc--;
			argv++;
			req=1;
			break;
			}
		else if (strcmp(*argv, "-ss_cert") == 0)
			{
			if (--argc < 1) goto bad;
			ss_cert_file = *(++argv);
			req=1;
			}
		else if (strcmp(*argv, "-spkac") == 0)
			{
			if (--argc < 1) goto bad;
			spkac_file = *(++argv);
			req=1;
			}
		else if (strcmp(*argv,"-revoke") == 0)
			{
			if (--argc < 1) goto bad;
			infile= *(++argv);
			dorevoke=1;
			}
		else if (strcmp(*argv,"-extensions") == 0)
			{
			if (--argc < 1) goto bad;
			extensions= *(++argv);
			}
		else if (strcmp(*argv,"-extfile") == 0)
			{
			if (--argc < 1) goto bad;
			extfile= *(++argv);
			}
		else if (strcmp(*argv,"-status") == 0)
			{
			if (--argc < 1) goto bad;
			ser_status= *(++argv);
			}
		else if (strcmp(*argv,"-updatedb") == 0)
			{
			doupdatedb=1;
			}
		else if (strcmp(*argv,"-crlexts") == 0)
			{
			if (--argc < 1) goto bad;
			crl_ext= *(++argv);
			}
		else if (strcmp(*argv,"-crl_reason") == 0)
			{
			if (--argc < 1) goto bad;
			rev_arg = *(++argv);
			rev_type = REV_CRL_REASON;
			}
		else if (strcmp(*argv,"-crl_hold") == 0)
			{
			if (--argc < 1) goto bad;
			rev_arg = *(++argv);
			rev_type = REV_HOLD;
			}
		else if (strcmp(*argv,"-crl_compromise") == 0)
			{
			if (--argc < 1) goto bad;
			rev_arg = *(++argv);
			rev_type = REV_KEY_COMPROMISE;
			}
		else if (strcmp(*argv,"-crl_CA_compromise") == 0)
			{
			if (--argc < 1) goto bad;
			rev_arg = *(++argv);
			rev_type = REV_CA_COMPROMISE;
			}
#ifndef OPENSSL_NO_ENGINE
		else if (strcmp(*argv,"-engine") == 0)
			{
			if (--argc < 1) goto bad;
			engine= *(++argv);
			}
#endif
		else
			{
bad:
			BIO_printf(bio_err,"unknown option %s\n",*argv);
			badops=1;
			break;
			}
		argc--;
		argv++;
		}

	if (badops)
		{
		for (pp=ca_usage; (*pp != NULL); pp++)
			BIO_printf(bio_err,"%s",*pp);
		goto err;
		}

	ERR_load_crypto_strings();

#ifndef OPENSSL_NO_ENGINE
	e = setup_engine(bio_err, engine, 0);
#endif

	/*****************************************************************/
	tofree=NULL;
	if (configfile == NULL) configfile = getenv("OPENSSL_CONF");
	if (configfile == NULL) configfile = getenv("SSLEAY_CONF");
	if (configfile == NULL)
		{
		const char *s=X509_get_default_cert_area();

#ifdef OPENSSL_SYS_VMS
		tofree=OPENSSL_malloc(strlen(s)+sizeof(CONFIG_FILE));
		strcpy(tofree,s);
#else
		tofree=OPENSSL_malloc(strlen(s)+sizeof(CONFIG_FILE)+1);
		strcpy(tofree,s);
		strcat(tofree,"/");
#endif
		strcat(tofree,CONFIG_FILE);
		configfile=tofree;
		}

	BIO_printf(bio_err,"Using configuration from %s\n",configfile);
	conf = NCONF_new(NULL);
	if (NCONF_load(conf,configfile,&errorline) <= 0)
		{
		if (errorline <= 0)
			BIO_printf(bio_err,"error loading the config file '%s'\n",
				configfile);
		else
			BIO_printf(bio_err,"error on line %ld of config file '%s'\n"
				,errorline,configfile);
		goto err;
		}
	if(tofree)
		{
		OPENSSL_free(tofree);
		tofree = NULL;
		}

	if (!load_config(bio_err, conf))
		goto err;

	/* Lets get the config section we are using */
	if (section == NULL)
		{
		section=NCONF_get_string(conf,BASE_SECTION,ENV_DEFAULT_CA);
		if (section == NULL)
			{
			lookup_fail(BASE_SECTION,ENV_DEFAULT_CA);
			goto err;
			}
		}

	if (conf != NULL)
		{
		p=NCONF_get_string(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);
				*/
				ERR_clear_error();
				}
			else
				{
				OBJ_create_objects(oid_bio);
				BIO_free(oid_bio);
				}
			}
		if (!add_oid_section(bio_err,conf)) 
			{
			ERR_print_errors(bio_err);
			goto err;
			}
		}

	randfile = NCONF_get_string(conf, BASE_SECTION, "RANDFILE");
	if (randfile == NULL)
		ERR_clear_error();
	app_RAND_load_file(randfile, bio_err, 0);

	db_attr.unique_subject = 1;
	p = NCONF_get_string(conf, section, "unique_subject");
	if (p)
		{
#ifdef RL_DEBUG
		BIO_printf(bio_err, "DEBUG: unique_subject = \"%s\"\n", p);
#endif
		switch(*p)
			{
		case 'f': /* false */
		case 'F': /* FALSE */
		case 'n': /* no */
		case 'N': /* NO */
			db_attr.unique_subject = 0;
			break;
		case 't': /* true */
		case 'T': /* TRUE */
		case 'y': /* yes */
		case 'Y': /* YES */
		default:
			db_attr.unique_subject = 1;
			break;
			}
		}
#ifdef RL_DEBUG
	else
		BIO_printf(bio_err, "DEBUG: unique_subject undefined\n", p);
#endif
#ifdef RL_DEBUG
	BIO_printf(bio_err, "DEBUG: configured unique_subject is %d\n",
		db_attr.unique_subject);
#endif
	
	in=BIO_new(BIO_s_file());
	out=BIO_new(BIO_s_file());
	Sout=BIO_new(BIO_s_file());
	Cout=BIO_new(BIO_s_file());
	if ((in == NULL) || (out == NULL) || (Sout == NULL) || (Cout == NULL))
		{
		ERR_print_errors(bio_err);
		goto err;
		}

	/*****************************************************************/
	/* report status of cert with serial number given on command line */
	if (ser_status)
	{
		if ((dbfile=NCONF_get_string(conf,section,ENV_DATABASE)) == NULL)
			{
			lookup_fail(section,ENV_DATABASE);
			goto err;
			}
		db = load_index(dbfile,&db_attr);
		if (db == NULL) goto err;

		if (!index_index(db)) goto err;

		if (get_certificate_status(ser_status,db) != 1)
			BIO_printf(bio_err,"Error verifying serial %s!\n",
				 ser_status);
		goto err;
	}

	/*****************************************************************/
	/* we definitely need a private key, so let's get it */

	if ((keyfile == NULL) && ((keyfile=NCONF_get_string(conf,
		section,ENV_PRIVATE_KEY)) == NULL))
		{
		lookup_fail(section,ENV_PRIVATE_KEY);
		goto err;
		}
	if (!key)
		{
		free_key = 1;
		if (!app_passwd(bio_err, passargin, NULL, &key, NULL))
			{
			BIO_printf(bio_err,"Error getting password\n");
			goto err;
			}
		}
	pkey = load_key(bio_err, keyfile, keyform, 0, key, e, 
		"CA private key");
	if (key) OPENSSL_cleanse(key,strlen(key));
	if (pkey == NULL)
		{
		/* load_key() has already printed an appropriate message */
		goto err;
		}

	/*****************************************************************/
	/* we need a certificate */
	if (!selfsign || spkac_file || ss_cert_file || gencrl)
		{
		if ((certfile == NULL)
			&& ((certfile=NCONF_get_string(conf,
				     section,ENV_CERTIFICATE)) == NULL))
			{
			lookup_fail(section,ENV_CERTIFICATE);
			goto err;
			}
		x509=load_cert(bio_err, certfile, FORMAT_PEM, NULL, e,
			"CA certificate");
		if (x509 == NULL)
			goto err;

		if (!X509_check_private_key(x509,pkey))
			{
			BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
			goto err;
			}
		}
	if (!selfsign) x509p = x509;

	f=NCONF_get_string(conf,BASE_SECTION,ENV_PRESERVE);
	if (f == NULL)
		ERR_clear_error();
	if ((f != NULL) && ((*f == 'y') || (*f == 'Y')))
		preserve=1;
	f=NCONF_get_string(conf,BASE_SECTION,ENV_MSIE_HACK);
	if (f == NULL)
		ERR_clear_error();
	if ((f != NULL) && ((*f == 'y') || (*f == 'Y')))
		msie_hack=1;

	f=NCONF_get_string(conf,section,ENV_NAMEOPT);

	if (f)
		{
		if (!set_name_ex(&nameopt, f))
			{
			BIO_printf(bio_err, "Invalid name options: \"%s\"\n", f);
			goto err;
			}
		default_op = 0;
		}
	else
		ERR_clear_error();

	f=NCONF_get_string(conf,section,ENV_CERTOPT);

	if (f)
		{
		if (!set_cert_ex(&certopt, f))
			{
			BIO_printf(bio_err, "Invalid certificate options: \"%s\"\n", f);
			goto err;
			}
		default_op = 0;
		}
	else
		ERR_clear_error();

	f=NCONF_get_string(conf,section,ENV_EXTCOPY);

	if (f)
		{
		if (!set_ext_copy(&ext_copy, f))
			{
			BIO_printf(bio_err, "Invalid extension copy option: \"%s\"\n", f);
			goto err;
			}
		}
	else
		ERR_clear_error();

	/*****************************************************************/
	/* lookup where to write new certificates */
	if ((outdir == NULL) && (req))
		{
		struct stat sb;

		if ((outdir=NCONF_get_string(conf,section,ENV_NEW_CERTS_DIR))
			== NULL)
			{
			BIO_printf(bio_err,"there needs to be defined a directory for new certificate to be placed in\n");
			goto err;
			}
#ifndef OPENSSL_SYS_VMS
	    /* outdir is a directory spec, but access() for VMS demands a
	       filename.  In any case, stat(), below, will catch the problem
	       if outdir is not a directory spec, and the fopen() or open()
	       will catch an error if there is no write access.

	       Presumably, this problem could also be solved by using the DEC
	       C routines to convert the directory syntax to Unixly, and give
	       that to access().  However, time's too short to do that just
	       now.
	    */
		if (access(outdir,R_OK|W_OK|X_OK) != 0)
			{
			BIO_printf(bio_err,"I am unable to access the %s directory\n",outdir);
			perror(outdir);
			goto err;
			}

		if (stat(outdir,&sb) != 0)
			{
			BIO_printf(bio_err,"unable to stat(%s)\n",outdir);
			perror(outdir);
			goto err;
			}
#ifdef S_IFDIR
		if (!(sb.st_mode & S_IFDIR))
			{
			BIO_printf(bio_err,"%s need to be a directory\n",outdir);
			perror(outdir);
			goto err;
			}
#endif
#endif
		}

	/*****************************************************************/
	/* we need to load the database file */
	if ((dbfile=NCONF_get_string(conf,section,ENV_DATABASE)) == NULL)
		{
		lookup_fail(section,ENV_DATABASE);
		goto err;
		}
	db = load_index(dbfile, &db_attr);
	if (db == NULL) goto err;

	/* Lets check some fields */
	for (i=0; i<sk_num(db->db->data); i++)
		{
		pp=(char **)sk_value(db->db->data,i);
		if ((pp[DB_type][0] != DB_TYPE_REV) &&
			(pp[DB_rev_date][0] != '\0'))
			{
			BIO_printf(bio_err,"entry %d: not revoked yet, but has a revocation date\n",i+1);
			goto err;
			}
		if ((pp[DB_type][0] == DB_TYPE_REV) &&
			!make_revoked(NULL, pp[DB_rev_date]))
			{
			BIO_printf(bio_err," in entry %d\n", i+1);
			goto err;
			}
		if (!check_time_format(pp[DB_exp_date]))
			{
			BIO_printf(bio_err,"entry %d: invalid expiry date\n",i+1);
			goto err;
			}
		p=pp[DB_serial];
		j=strlen(p);
		if (*p == '-')
			{
			p++;
			j--;
			}
		if ((j&1) || (j < 2))
			{
			BIO_printf(bio_err,"entry %d: bad serial number length (%d)\n",i+1,j);
			goto err;
			}
		while (*p)
			{
			if (!(	((*p >= '0') && (*p <= '9')) ||
				((*p >= 'A') && (*p <= 'F')) ||
				((*p >= 'a') && (*p <= 'f')))  )
				{
				BIO_printf(bio_err,"entry %d: bad serial number characters, char pos %ld, char is '%c'\n",i+1,(long)(p-pp[DB_serial]),*p);
				goto err;
				}
			p++;
			}
		}
	if (verbose)
		{
		BIO_set_fp(out,stdout,BIO_NOCLOSE|BIO_FP_TEXT); /* cannot fail */
#ifdef OPENSSL_SYS_VMS
		{
		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
		out = BIO_push(tmpbio, out);
		}
#endif
		TXT_DB_write(out,db->db);
		BIO_printf(bio_err,"%d entries loaded from the database\n",
			db->db->data->num);
		BIO_printf(bio_err,"generating index\n");
		}
	
	if (!index_index(db)) goto err;

	/*****************************************************************/
	/* Update the db file for expired certificates */
	if (doupdatedb)
		{
		if (verbose)
			BIO_printf(bio_err, "Updating %s ...\n",
							dbfile);

		i = do_updatedb(db);
		if (i == -1)
			{
			BIO_printf(bio_err,"Malloc failure\n");
			goto err;
			}
		else if (i == 0)
			{
			if (verbose) BIO_printf(bio_err,
					"No entries found to mark expired\n"); 
			}
	    	else
			{
			if (!save_index(dbfile,"new",db)) goto err;
				
			if (!rotate_index(dbfile,"new","old")) goto err;
				
			if (verbose) BIO_printf(bio_err,
				"Done. %d entries marked as expired\n",i); 
	      		}
			goto err;
	  	}

 	/*****************************************************************/
	/* Read extentions config file                                   */
	if (extfile)
		{
		extconf = NCONF_new(NULL);
		if (NCONF_load(extconf,extfile,&errorline) <= 0)
			{
			if (errorline <= 0)
				BIO_printf(bio_err, "ERROR: loading the config file '%s'\n",
					extfile);
			else
				BIO_printf(bio_err, "ERROR: on line %ld of config file '%s'\n",
					errorline,extfile);
			ret = 1;
			goto err;
			}

		if (verbose)
			BIO_printf(bio_err, "Successfully loaded extensions file %s\n", extfile);

		/* We can have sections in the ext file */
		if (!extensions && !(extensions = NCONF_get_string(extconf, "default", "extensions")))
			extensions = "default";
		}

	/*****************************************************************/
	if (req || gencrl)
		{
		if (outfile != NULL)
			{
			if (BIO_write_filename(Sout,outfile) <= 0)
				{
				perror(outfile);
				goto err;
				}
			}
		else
			{
			BIO_set_fp(Sout,stdout,BIO_NOCLOSE|BIO_FP_TEXT);
#ifdef OPENSSL_SYS_VMS
			{
			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
			Sout = BIO_push(tmpbio, Sout);
			}
#endif
			}
		}

	if (req)
		{
		if ((md == NULL) && ((md=NCONF_get_string(conf,
			section,ENV_DEFAULT_MD)) == NULL))
			{
			lookup_fail(section,ENV_DEFAULT_MD);
			goto err;
			}
		if ((email_dn == 1) && ((tmp_email_dn=NCONF_get_string(conf,
			section,ENV_DEFAULT_EMAIL_DN)) != NULL ))
			{
			if(strcmp(tmp_email_dn,"no") == 0)
				email_dn=0;
			}
		if ((dgst=EVP_get_digestbyname(md)) == NULL)
			{
			BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);
			goto err;
			}
		if (verbose)
			BIO_printf(bio_err,"message digest is %s\n",
				OBJ_nid2ln(dgst->type));
		if ((policy == NULL) && ((policy=NCONF_get_string(conf,
			section,ENV_POLICY)) == NULL))
			{
			lookup_fail(section,ENV_POLICY);
			goto err;
			}
		if (verbose)
			BIO_printf(bio_err,"policy is %s\n",policy);

		if ((serialfile=NCONF_get_string(conf,section,ENV_SERIAL))
			== NULL)
			{
			lookup_fail(section,ENV_SERIAL);
			goto err;
			}

		if (!extconf)
			{
			/* no '-extfile' option, so we look for extensions
			 * in the main configuration file */
			if (!extensions)
				{
				extensions=NCONF_get_string(conf,section,
								ENV_EXTENSIONS);
				if (!extensions)
					ERR_clear_error();
				}
			if (extensions)
				{
				/* Check syntax of file */
				X509V3_CTX ctx;
				X509V3_set_ctx_test(&ctx);
				X509V3_set_nconf(&ctx, conf);
				if (!X509V3_EXT_add_nconf(conf, &ctx, extensions,
								NULL))
					{
					BIO_printf(bio_err,
				 	"Error Loading extension section %s\n",
								 extensions);
					ret = 1;
					goto err;
					}
				}
			}

		if (startdate == NULL)
			{
			startdate=NCONF_get_string(conf,section,
				ENV_DEFAULT_STARTDATE);
			if (startdate == NULL)
				ERR_clear_error();
			}
		if (startdate && !ASN1_UTCTIME_set_string(NULL,startdate))
			{
			BIO_printf(bio_err,"start date is invalid, it should be YYMMDDHHMMSSZ\n");
			goto err;
			}
		if (startdate == NULL) startdate="today";

		if (enddate == NULL)
			{
			enddate=NCONF_get_string(conf,section,
				ENV_DEFAULT_ENDDATE);
			if (enddate == NULL)
				ERR_clear_error();
			}
		if (enddate && !ASN1_UTCTIME_set_string(NULL,enddate))
			{
			BIO_printf(bio_err,"end date is invalid, it should be YYMMDDHHMMSSZ\n");
			goto err;
			}

		if (days == 0)
			{
			if(!NCONF_get_number(conf,section, ENV_DEFAULT_DAYS, &days))
				days = 0;
			}
		if (!enddate && (days == 0))
			{
			BIO_printf(bio_err,"cannot lookup how many days to certify for\n");
			goto err;
			}

		if ((serial=load_serial(serialfile, 0, NULL)) == NULL)
			{
			BIO_printf(bio_err,"error while loading serial number\n");
			goto err;
			}
		if (verbose)
			{
			if (BN_is_zero(serial))
				BIO_printf(bio_err,"next serial number is 00\n");
			else
				{
				if ((f=BN_bn2hex(serial)) == NULL) goto err;
				BIO_printf(bio_err,"next serial number is %s\n",f);
				OPENSSL_free(f);
				}
			}

		if ((attribs=NCONF_get_section(conf,policy)) == NULL)
			{
			BIO_printf(bio_err,"unable to find 'section' for %s\n",policy);
			goto err;
			}

		if ((cert_sk=sk_X509_new_null()) == NULL)
			{
			BIO_printf(bio_err,"Memory allocation failure\n");
			goto err;
			}
		if (spkac_file != NULL)
			{
			total++;
			j=certify_spkac(&x,spkac_file,pkey,x509,dgst,attribs,db,
				serial,subj,email_dn,startdate,enddate,days,extensions,
				conf,verbose,certopt,nameopt,default_op,ext_copy);
			if (j < 0) goto err;
			if (j > 0)
				{
				total_done++;
				BIO_printf(bio_err,"\n");
				if (!BN_add_word(serial,1)) goto err;
				if (!sk_X509_push(cert_sk,x))
					{
					BIO_printf(bio_err,"Memory allocation failure\n");
					goto err;
					}
				if (outfile)
					{
					output_der = 1;
					batch = 1;
					}
				}
			}
		if (ss_cert_file != NULL)
			{
			total++;
			j=certify_cert(&x,ss_cert_file,pkey,x509,dgst,attribs,
				db,serial,subj,email_dn,startdate,enddate,days,batch,
				extensions,conf,verbose, certopt, nameopt,
				default_op, ext_copy, e);
			if (j < 0) goto err;
			if (j > 0)
				{
				total_done++;
				BIO_printf(bio_err,"\n");
				if (!BN_add_word(serial,1)) goto err;
				if (!sk_X509_push(cert_sk,x))
					{
					BIO_printf(bio_err,"Memory allocation failure\n");
					goto err;
					}
				}
			}
		if (infile != NULL)
			{
			total++;
			j=certify(&x,infile,pkey,x509p,dgst,attribs,db,
				serial,subj,email_dn,startdate,enddate,days,batch,
				extensions,conf,verbose, certopt, nameopt,
				default_op, ext_copy, selfsign);
			if (j < 0) goto err;
			if (j > 0)
				{
				total_done++;
				BIO_printf(bio_err,"\n");
				if (!BN_add_word(serial,1)) goto err;
				if (!sk_X509_push(cert_sk,x))
					{
					BIO_printf(bio_err,"Memory allocation failure\n");
					goto err;
					}
				}
			}
		for (i=0; i<argc; i++)
			{
			total++;
			j=certify(&x,argv[i],pkey,x509p,dgst,attribs,db,
				serial,subj,email_dn,startdate,enddate,days,batch,
				extensions,conf,verbose, certopt, nameopt,
				default_op, ext_copy, selfsign);
			if (j < 0) goto err;
			if (j > 0)
				{
				total_done++;
				BIO_printf(bio_err,"\n");
				if (!BN_add_word(serial,1)) goto err;
				if (!sk_X509_push(cert_sk,x))
					{
					BIO_printf(bio_err,"Memory allocation failure\n");
					goto err;
					}
				}
			}	
		/* we have a stack of newly certified certificates
		 * and a data base and serial number that need
		 * updating */

		if (sk_X509_num(cert_sk) > 0)
			{
			if (!batch)
				{
				BIO_printf(bio_err,"\n%d out of %d certificate requests certified, commit? [y/n]",total_done,total);
				(void)BIO_flush(bio_err);
				buf[0][0]='\0';
				fgets(buf[0],10,stdin);
				if ((buf[0][0] != 'y') && (buf[0][0] != 'Y'))
					{
					BIO_printf(bio_err,"CERTIFICATION CANCELED\n"); 
					ret=0;
					goto err;
					}
				}

			BIO_printf(bio_err,"Write out database with %d new entries\n",sk_X509_num(cert_sk));

			if(strlen(serialfile) > BSIZE-5 || strlen(dbfile) > BSIZE-5)
				{
				BIO_printf(bio_err,"file name too long\n");
				goto err;
				}

			strcpy(buf[0],serialfile);

#ifdef OPENSSL_SYS_VMS
			strcat(buf[0],"-new");
#else
			strcat(buf[0],".new");
#endif

			if (!save_serial(buf[0],serial,NULL)) goto err;

			if (!save_index(dbfile, "new", db)) goto err;
			}
	
		if (verbose)
			BIO_printf(bio_err,"writing new certificates\n");
		for (i=0; i<sk_X509_num(cert_sk); i++)
			{
			int k;
			unsigned char *n;

			x=sk_X509_value(cert_sk,i);

			j=x->cert_info->serialNumber->length;
			p=(char *)x->cert_info->serialNumber->data;
			
			if(strlen(outdir) >= (size_t)(j ? BSIZE-j*2-6 : BSIZE-8))
				{
				BIO_printf(bio_err,"certificate file name too long\n");
				goto err;
				}

			strcpy(buf[2],outdir);

#ifndef OPENSSL_SYS_VMS
			strcat(buf[2],"/");
#endif

			n=(unsigned char *)&(buf[2][strlen(buf[2])]);
			if (j > 0)
				{
				for (k=0; k<j; k++)
					{
					sprintf((char *)n,"%02X",(unsigned char)*(p++));
					n+=2;
					}
				}
			else
				{
				*(n++)='0';
				*(n++)='0';
				}
			*(n++)='.'; *(n++)='p'; *(n++)='e'; *(n++)='m';
			*n='\0';
			if (verbose)
				BIO_printf(bio_err,"writing %s\n",buf[2]);

			if (BIO_write_filename(Cout,buf[2]) <= 0)
				{
				perror(buf[2]);
				goto err;
				}
			write_new_certificate(Cout,x, 0, notext);
			write_new_certificate(Sout,x, output_der, notext);
			}

		if (sk_X509_num(cert_sk))
			{
			/* Rename the database and the serial file */
			strncpy(buf[2],serialfile,BSIZE-4);
			buf[2][BSIZE-4]='\0';

#ifdef OPENSSL_SYS_VMS
			strcat(buf[2],"-old");
#else
			strcat(buf[2],".old");
#endif

			BIO_free(in);
			BIO_free_all(out);
			in=NULL;
			out=NULL;
			if (rename(serialfile,buf[2]) < 0)
				{
				BIO_printf(bio_err,"unable to rename %s to %s\n",
					serialfile,buf[2]);
				perror("reason");
				goto err;
				}
			if (rename(buf[0],serialfile) < 0)
				{
				BIO_printf(bio_err,"unable to rename %s to %s\n",
					buf[0],serialfile);
				perror("reason");
				rename(buf[2],serialfile);
				goto err;
				}

			if (!rotate_index(dbfile,"new","old")) goto err;

			BIO_printf(bio_err,"Data Base Updated\n");
			}
		}
	
	/*****************************************************************/
	if (gencrl)
		{
		int crl_v2 = 0;
		if (!crl_ext)
			{
			crl_ext=NCONF_get_string(conf,section,ENV_CRLEXT);
			if (!crl_ext)
				ERR_clear_error();
			}
		if (crl_ext)
			{
			/* Check syntax of file */
			X509V3_CTX ctx;
			X509V3_set_ctx_test(&ctx);
			X509V3_set_nconf(&ctx, conf);
			if (!X509V3_EXT_add_nconf(conf, &ctx, crl_ext, NULL))
				{
				BIO_printf(bio_err,
				 "Error Loading CRL extension section %s\n",
								 crl_ext);
				ret = 1;
				goto err;
				}
			}

		if (!crldays && !crlhours)
			{
			if (!NCONF_get_number(conf,section,
				ENV_DEFAULT_CRL_DAYS, &crldays))
				crldays = 0;
			if (!NCONF_get_number(conf,section,
				ENV_DEFAULT_CRL_HOURS, &crlhours))
				crlhours = 0;
			}
		if ((crldays == 0) && (crlhours == 0))
			{
			BIO_printf(bio_err,"cannot lookup how long until the next CRL is issued\n");
			goto err;
			}

		if (verbose) BIO_printf(bio_err,"making CRL\n");
		if ((crl=X509_CRL_new()) == NULL) goto err;
		if (!X509_CRL_set_issuer_name(crl, X509_get_subject_name(x509))) goto err;

		tmptm = ASN1_TIME_new();
		if (!tmptm) goto err;
		X509_gmtime_adj(tmptm,0);
		X509_CRL_set_lastUpdate(crl, tmptm);	
		X509_gmtime_adj(tmptm,(crldays*24+crlhours)*60*60);
		X509_CRL_set_nextUpdate(crl, tmptm);	

		ASN1_TIME_free(tmptm);

		for (i=0; i<sk_num(db->db->data); i++)
			{
			pp=(char **)sk_value(db->db->data,i);
			if (pp[DB_type][0] == DB_TYPE_REV)
				{
				if ((r=X509_REVOKED_new()) == NULL) goto err;
				j = make_revoked(r, pp[DB_rev_date]);
				if (!j) goto err;
				if (j == 2) crl_v2 = 1;
				if (!BN_hex2bn(&serial, pp[DB_serial]))
					goto err;
				tmpser = BN_to_ASN1_INTEGER(serial, NULL);
				BN_free(serial);
				serial = NULL;
				if (!tmpser)
					goto err;
				X509_REVOKED_set_serialNumber(r, tmpser);
				ASN1_INTEGER_free(tmpser);
				X509_CRL_add0_revoked(crl,r);
				}
			}

		/* sort the data so it will be written in serial
		 * number order */
		X509_CRL_sort(crl);

		/* we now have a CRL */
		if (verbose) BIO_printf(bio_err,"signing CRL\n");
		if (md != NULL)
			{
			if ((dgst=EVP_get_digestbyname(md)) == NULL)
				{
				BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);
				goto err;
				}
			}
		else
			{
#ifndef OPENSSL_NO_DSA
			if (pkey->type == EVP_PKEY_DSA) 
				dgst=EVP_dss1();
			else
#endif
#ifndef OPENSSL_NO_ECDSA
			if (pkey->type == EVP_PKEY_EC)
				dgst=EVP_ecdsa();
			else
#endif
				dgst=EVP_md5();
			}

		/* Add any extensions asked for */

		if (crl_ext)
			{
			X509V3_CTX crlctx;
			X509V3_set_ctx(&crlctx, x509, NULL, NULL, crl, 0);
			X509V3_set_nconf(&crlctx, conf);

			if (!X509V3_EXT_CRL_add_nconf(conf, &crlctx,
				crl_ext, crl)) goto err;
			}
		if (crl_ext || crl_v2)
			{
			if (!X509_CRL_set_version(crl, 1))
				goto err; /* version 2 CRL */
			}

		if (!X509_CRL_sign(crl,pkey,dgst)) goto err;

		PEM_write_bio_X509_CRL(Sout,crl);
		}
	/*****************************************************************/
	if (dorevoke)
		{
		if (infile == NULL) 
			{
			BIO_printf(bio_err,"no input files\n");
			goto err;
			}
		else
			{
			X509 *revcert;
			revcert=load_cert(bio_err, infile, FORMAT_PEM,
				NULL, e, infile);
			if (revcert == NULL)
				goto err;
			j=do_revoke(revcert,db, rev_type, rev_arg);
			if (j <= 0) goto err;
			X509_free(revcert);

			if (!save_index(dbfile, "new", db)) goto err;

			if (!rotate_index(dbfile, "new", "old")) goto err;

			BIO_printf(bio_err,"Data Base Updated\n"); 
			}
		}
	/*****************************************************************/
	ret=0;
err:
	if(tofree)
		OPENSSL_free(tofree);
	BIO_free_all(Cout);
	BIO_free_all(Sout);
	BIO_free_all(out);
	BIO_free_all(in);

	if (cert_sk)
		sk_X509_pop_free(cert_sk,X509_free);

	if (ret) ERR_print_errors(bio_err);
	app_RAND_write_file(randfile, bio_err);
	if (free_key && key)
		OPENSSL_free(key);
	BN_free(serial);
	free_index(db);
	EVP_PKEY_free(pkey);
	if (x509) X509_free(x509);
	X509_CRL_free(crl);
	NCONF_free(conf);
	OBJ_cleanup();
	apps_shutdown();
	OPENSSL_EXIT(ret);
	}

static void lookup_fail(char *name, char *tag)
	{
	BIO_printf(bio_err,"variable lookup failed for %s::%s\n",name,tag);
	}

static int certify(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
	     const EVP_MD *dgst, STACK_OF(CONF_VALUE) *policy, CA_DB *db,
	     BIGNUM *serial, char *subj, int email_dn, char *startdate, char *enddate,
	     long days, int batch, char *ext_sect, CONF *lconf, int verbose,
	     unsigned long certopt, unsigned long nameopt, int default_op,
	     int ext_copy, int selfsign)
	{
	X509_REQ *req=NULL;
	BIO *in=NULL;
	EVP_PKEY *pktmp=NULL;
	int ok= -1,i;

	in=BIO_new(BIO_s_file());

	if (BIO_read_filename(in,infile) <= 0)
		{
		perror(infile);
		goto err;
		}
	if ((req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL)) == NULL)
		{
		BIO_printf(bio_err,"Error reading certificate request in %s\n",
			infile);
		goto err;
		}
	if (verbose)
		X509_REQ_print(bio_err,req);

	BIO_printf(bio_err,"Check that the request matches the signature\n");

	if (selfsign && !X509_REQ_check_private_key(req,pkey))
		{
		BIO_printf(bio_err,"Certificate request and CA private key do not match\n");
		ok=0;
		goto err;
		}
	if ((pktmp=X509_REQ_get_pubkey(req)) == NULL)
		{
		BIO_printf(bio_err,"error unpacking public key\n");
		goto err;
		}
	i=X509_REQ_verify(req,pktmp);
	EVP_PKEY_free(pktmp);
	if (i < 0)
		{
		ok=0;
		BIO_printf(bio_err,"Signature verification problems....\n");
		goto err;
		}
	if (i == 0)
		{
		ok=0;
		BIO_printf(bio_err,"Signature did not match the certificate request\n");
		goto err;
		}
	else
		BIO_printf(bio_err,"Signature ok\n");

	ok=do_body(xret,pkey,x509,dgst,policy,db,serial,subj, email_dn,
		startdate,enddate,days,batch,verbose,req,ext_sect,lconf,
		certopt, nameopt, default_op, ext_copy, selfsign);

err:
	if (req != NULL) X509_REQ_free(req);
	if (in != NULL) BIO_free(in);
	return(ok);
	}

static int certify_cert(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
	     const EVP_MD *dgst, STACK_OF(CONF_VALUE) *policy, CA_DB *db,
	     BIGNUM *serial, char *subj, int email_dn, char *startdate, char *enddate,
	     long days, int batch, char *ext_sect, CONF *lconf, int verbose,
	     unsigned long certopt, unsigned long nameopt, int default_op,
	     int ext_copy, ENGINE *e)
	{
	X509 *req=NULL;
	X509_REQ *rreq=NULL;
	EVP_PKEY *pktmp=NULL;
	int ok= -1,i;

	if ((req=load_cert(bio_err, infile, FORMAT_PEM, NULL, e, infile)) == NULL)
		goto err;
	if (verbose)
		X509_print(bio_err,req);

	BIO_printf(bio_err,"Check that the request matches the signature\n");

	if ((pktmp=X509_get_pubkey(req)) == NULL)
		{
		BIO_printf(bio_err,"error unpacking public key\n");
		goto err;
		}
	i=X509_verify(req,pktmp);
	EVP_PKEY_free(pktmp);
	if (i < 0)
		{
		ok=0;
		BIO_printf(bio_err,"Signature verification problems....\n");
		goto err;
		}
	if (i == 0)
		{
		ok=0;
		BIO_printf(bio_err,"Signature did not match the certificate\n");
		goto err;
		}
	else
		BIO_printf(bio_err,"Signature ok\n");

	if ((rreq=X509_to_X509_REQ(req,NULL,EVP_md5())) == NULL)
		goto err;

	ok=do_body(xret,pkey,x509,dgst,policy,db,serial,subj,email_dn,startdate,enddate,
		days,batch,verbose,rreq,ext_sect,lconf, certopt, nameopt, default_op,
		ext_copy, 0);

err:
	if (rreq != NULL) X509_REQ_free(rreq);
	if (req != NULL) X509_free(req);
	return(ok);
	}

static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, const EVP_MD *dgst,
	     STACK_OF(CONF_VALUE) *policy, CA_DB *db, BIGNUM *serial, char *subj,
	     int email_dn, char *startdate, char *enddate, long days, int batch,
	     int verbose, X509_REQ *req, char *ext_sect, CONF *lconf,
	     unsigned long certopt, unsigned long nameopt, int default_op,
	     int ext_copy, int selfsign)
	{
	X509_NAME *name=NULL,*CAname=NULL,*subject=NULL, *dn_subject=NULL;
	ASN1_UTCTIME *tm,*tmptm;
	ASN1_STRING *str,*str2;
	ASN1_OBJECT *obj;
	X509 *ret=NULL;
	X509_CINF *ci;
	X509_NAME_ENTRY *ne;
	X509_NAME_ENTRY *tne,*push;
	EVP_PKEY *pktmp;
	int ok= -1,i,j,last,nid;
	char *p;
	CONF_VALUE *cv;
	char *row[DB_NUMBER],**rrow=NULL,**irow=NULL;
	char buf[25];

	tmptm=ASN1_UTCTIME_new();
	if (tmptm == NULL)
		{
		BIO_printf(bio_err,"malloc error\n");
		return(0);
		}

	for (i=0; i<DB_NUMBER; i++)
		row[i]=NULL;

	if (subj)
		{
		X509_NAME *n = do_subject(subj, MBSTRING_ASC);

		if (!n)
			{
			ERR_print_errors(bio_err);
			goto err;
			}
		X509_REQ_set_subject_name(req,n);
		req->req_info->enc.modified = 1;
		X509_NAME_free(n);
		}

	if (default_op)
		BIO_printf(bio_err,"The Subject's Distinguished Name is as follows\n");

	name=X509_REQ_get_subject_name(req);
	for (i=0; i<X509_NAME_entry_count(name); i++)
		{
		ne= X509_NAME_get_entry(name,i);
		str=X509_NAME_ENTRY_get_data(ne);
		obj=X509_NAME_ENTRY_get_object(ne);

		if (msie_hack)
			{
			/* assume all type should be strings */
			nid=OBJ_obj2nid(ne->object);

			if (str->type == V_ASN1_UNIVERSALSTRING)
				ASN1_UNIVERSALSTRING_to_string(str);

			if ((str->type == V_ASN1_IA5STRING) &&
				(nid != NID_pkcs9_emailAddress))
				str->type=V_ASN1_T61STRING;

			if ((nid == NID_pkcs9_emailAddress) &&
				(str->type == V_ASN1_PRINTABLESTRING))
				str->type=V_ASN1_IA5STRING;
			}

		/* If no EMAIL is wanted in the subject */
		if ((OBJ_obj2nid(obj) == NID_pkcs9_emailAddress) && (!email_dn))
			continue;

		/* check some things */
		if ((OBJ_obj2nid(obj) == NID_pkcs9_emailAddress) &&
			(str->type != V_ASN1_IA5STRING))
			{
			BIO_printf(bio_err,"\nemailAddress type needs to be of type IA5STRING\n");
			goto err;
			}
		if ((str->type != V_ASN1_BMPSTRING) && (str->type != V_ASN1_UTF8STRING))
			{
			j=ASN1_PRINTABLE_type(str->data,str->length);
			if (	((j == V_ASN1_T61STRING) &&
				 (str->type != V_ASN1_T61STRING)) ||
				((j == V_ASN1_IA5STRING) &&
				 (str->type == V_ASN1_PRINTABLESTRING)))
				{
				BIO_printf(bio_err,"\nThe string contains characters that are illegal for the ASN.1 type\n");
				goto err;
				}
			}

		if (default_op)
			old_entry_print(bio_err, obj, str);
		}

	/* Ok, now we check the 'policy' stuff. */
	if ((subject=X509_NAME_new()) == NULL)
		{
		BIO_printf(bio_err,"Memory allocation failure\n");
		goto err;
		}

	/* take a copy of the issuer name before we mess with it. */
	if (selfsign)
		CAname=X509_NAME_dup(name);
	else
		CAname=X509_NAME_dup(x509->cert_info->subject);
	if (CAname == NULL) goto err;
	str=str2=NULL;

	for (i=0; i<sk_CONF_VALUE_num(policy); i++)
		{
		cv=sk_CONF_VALUE_value(policy,i); /* get the object id */
		if ((j=OBJ_txt2nid(cv->name)) == NID_undef)
			{
			BIO_printf(bio_err,"%s:unknown object type in 'policy' configuration\n",cv->name);
			goto err;
			}
		obj=OBJ_nid2obj(j);

		last= -1;
		for (;;)
			{
			/* lookup the object in the supplied name list */
			j=X509_NAME_get_index_by_OBJ(name,obj,last);
			if (j < 0)
				{
				if (last != -1) break;
				tne=NULL;
				}
			else
				{
				tne=X509_NAME_get_entry(name,j);
				}
			last=j;

			/* depending on the 'policy', decide what to do. */
			push=NULL;
			if (strcmp(cv->value,"optional") == 0)
				{
				if (tne != NULL)
					push=tne;
				}
			else if (strcmp(cv->value,"supplied") == 0)
				{
				if (tne == NULL)
					{
					BIO_printf(bio_err,"The %s field needed to be supplied and was missing\n",cv->name);
					goto err;
					}
				else
					push=tne;
				}
			else if (strcmp(cv->value,"match") == 0)
				{
				int last2;

				if (tne == NULL)
					{
					BIO_printf(bio_err,"The mandatory %s field was missing\n",cv->name);
					goto err;
					}

				last2= -1;

again2:
				j=X509_NAME_get_index_by_OBJ(CAname,obj,last2);
				if ((j < 0) && (last2 == -1))
					{
					BIO_printf(bio_err,"The %s field does not exist in the CA certificate,\nthe 'policy' is misconfigured\n",cv->name);
					goto err;
					}
				if (j >= 0)
					{
					push=X509_NAME_get_entry(CAname,j);
					str=X509_NAME_ENTRY_get_data(tne);
					str2=X509_NAME_ENTRY_get_data(push);
					last2=j;
					if (ASN1_STRING_cmp(str,str2) != 0)
						goto again2;
					}
				if (j < 0)
					{
					BIO_printf(bio_err,"The %s field needed to be the same in the\nCA certificate (%s) and the request (%s)\n",cv->name,((str2 == NULL)?"NULL":(char *)str2->data),((str == NULL)?"NULL":(char *)str->data));
					goto err;
					}
				}
			else
				{
				BIO_printf(bio_err,"%s:invalid type in 'policy' configuration\n",cv->value);
				goto err;
				}

			if (push != NULL)
				{
				if (!X509_NAME_add_entry(subject,push, -1, 0))
					{
					if (push != NULL)
						X509_NAME_ENTRY_free(push);
					BIO_printf(bio_err,"Memory allocation failure\n");
					goto err;
					}
				}
			if (j < 0) break;
			}
		}

	if (preserve)
		{
		X509_NAME_free(subject);
		/* subject=X509_NAME_dup(X509_REQ_get_subject_name(req)); */
		subject=X509_NAME_dup(name);
		if (subject == NULL) goto err;
		}

	if (verbose)
		BIO_printf(bio_err,"The subject name appears to be ok, checking data base for clashes\n");

	/* Build the correct Subject if no e-mail is wanted in the subject */
	/* and add it later on because of the method extensions are added (altName) */
	 
	if (email_dn)
		dn_subject = subject;
	else
		{
		X509_NAME_ENTRY *tmpne;
		/* Its best to dup the subject DN and then delete any email
		 * addresses because this retains its structure.
		 */
		if (!(dn_subject = X509_NAME_dup(subject)))
			{
			BIO_printf(bio_err,"Memory allocation failure\n");
			goto err;
			}
		while((i = X509_NAME_get_index_by_NID(dn_subject,
					NID_pkcs9_emailAddress, -1)) >= 0)
			{
			tmpne = X509_NAME_get_entry(dn_subject, i);
			X509_NAME_delete_entry(dn_subject, i);
			X509_NAME_ENTRY_free(tmpne);
			}
		}

	if (BN_is_zero(serial))
		row[DB_serial]=BUF_strdup("00");
	else
		row[DB_serial]=BN_bn2hex(serial);
	if (row[DB_serial] == NULL)
		{
		BIO_printf(bio_err,"Memory allocation failure\n");
		goto err;
		}

	if (db->attributes.unique_subject)
		{
		rrow=TXT_DB_get_by_index(db->db,DB_name,row);
		if (rrow != NULL)
			{
			BIO_printf(bio_err,
				"ERROR:There is already a certificate for %s\n",
				row[DB_name]);
			}
		}
	if (rrow == NULL)
		{
		rrow=TXT_DB_get_by_index(db->db,DB_serial,row);
		if (rrow != NULL)
			{
			BIO_printf(bio_err,"ERROR:Serial number %s has already been issued,\n",
				row[DB_serial]);
			BIO_printf(bio_err,"      check the database/serial_file for corruption\n");
			}
		}

	if (rrow != NULL)
		{
		BIO_printf(bio_err,
			"The matching entry has the following details\n");
		if (rrow[DB_type][0] == 'E')
			p="Expired";
		else if (rrow[DB_type][0] == 'R')
			p="Revoked";
		else if (rrow[DB_type][0] == 'V')
			p="Valid";
		else
			p="\ninvalid type, Data base error\n";
		BIO_printf(bio_err,"Type	  :%s\n",p);;
		if (rrow[DB_type][0] == 'R')
			{
			p=rrow[DB_exp_date]; if (p == NULL) p="undef";
			BIO_printf(bio_err,"Was revoked on:%s\n",p);
			}
		p=rrow[DB_exp_date]; if (p == NULL) p="undef";
		BIO_printf(bio_err,"Expires on    :%s\n",p);
		p=rrow[DB_serial]; if (p == NULL) p="undef";
		BIO_printf(bio_err,"Serial Number :%s\n",p);
		p=rrow[DB_file]; if (p == NULL) p="undef";
		BIO_printf(bio_err,"File name     :%s\n",p);
		p=rrow[DB_name]; if (p == NULL) p="undef";
		BIO_printf(bio_err,"Subject Name  :%s\n",p);
		ok= -1; /* This is now a 'bad' error. */
		goto err;
		}

	/* We are now totally happy, lets make and sign the certificate */
	if (verbose)
		BIO_printf(bio_err,"Everything appears to be ok, creating and signing the certificate\n");

	if ((ret=X509_new()) == NULL) goto err;
	ci=ret->cert_info;

#ifdef X509_V3
	/* Make it an X509 v3 certificate. */
	if (!X509_set_version(ret,2)) goto err;
#endif

	if (BN_to_ASN1_INTEGER(serial,ci->serialNumber) == NULL)
		goto err;
	if (selfsign)
		{
		if (!X509_set_issuer_name(ret,subject))
			goto err;
		}
	else
		{
		if (!X509_set_issuer_name(ret,X509_get_subject_name(x509)))
			goto err;
		}

	if (strcmp(startdate,"today") == 0)
		X509_gmtime_adj(X509_get_notBefore(ret),0);
	else ASN1_UTCTIME_set_string(X509_get_notBefore(ret),startdate);

	if (enddate == NULL)
		X509_gmtime_adj(X509_get_notAfter(ret),(long)60*60*24*days);
	else ASN1_UTCTIME_set_string(X509_get_notAfter(ret),enddate);

	if (!X509_set_subject_name(ret,subject)) goto err;

	pktmp=X509_REQ_get_pubkey(req);
	i = X509_set_pubkey(ret,pktmp);
	EVP_PKEY_free(pktmp);
	if (!i) goto err;

	/* Lets add the extensions, if there are any */
	if (ext_sect)
		{
		X509V3_CTX ctx;
		if (ci->version == NULL)
			if ((ci->version=ASN1_INTEGER_new()) == NULL)
				goto err;
		ASN1_INTEGER_set(ci->version,2); /* version 3 certificate */

		/* Free the current entries if any, there should not
		 * be any I believe */
		if (ci->extensions != NULL)
			sk_X509_EXTENSION_pop_free(ci->extensions,
						   X509_EXTENSION_free);

		ci->extensions = NULL;

		/* Initialize the context structure */
		if (selfsign)
			X509V3_set_ctx(&ctx, ret, ret, req, NULL, 0);
		else
			X509V3_set_ctx(&ctx, x509, ret, req, NULL, 0);

		if (extconf)
			{
			if (verbose)
				BIO_printf(bio_err, "Extra configuration file found\n");
 
			/* Use the extconf configuration db LHASH */
			X509V3_set_nconf(&ctx, extconf);
 
			/* Test the structure (needed?) */
			/* X509V3_set_ctx_test(&ctx); */

			/* Adds exts contained in the configuration file */
			if (!X509V3_EXT_add_nconf(extconf, &ctx, ext_sect,ret))
				{
				BIO_printf(bio_err,
				    "ERROR: adding extensions in section %s\n",
								ext_sect);
				ERR_print_errors(bio_err);
				goto err;
				}
			if (verbose)
				BIO_printf(bio_err, "Successfully added extensions from file.\n");
			}
		else if (ext_sect)
			{
			/* We found extensions to be set from config file */
			X509V3_set_nconf(&ctx, lconf);

			if(!X509V3_EXT_add_nconf(lconf, &ctx, ext_sect, ret))
				{
				BIO_printf(bio_err, "ERROR: adding extensions in section %s\n", ext_sect);
				ERR_print_errors(bio_err);
				goto err;
				}

			if (verbose) 
				BIO_printf(bio_err, "Successfully added extensions from config\n");
			}
		}

	/* Copy extensions from request (if any) */

	if (!copy_extensions(ret, req, ext_copy))
		{
		BIO_printf(bio_err, "ERROR: adding extensions from request\n");
		ERR_print_errors(bio_err);
		goto err;
		}

	/* Set the right value for the noemailDN option */
	if( email_dn == 0 )
		{
		if (!X509_set_subject_name(ret,dn_subject)) goto err;
		}

	if (!default_op)
		{
		BIO_printf(bio_err, "Certificate Details:\n");
		/* Never print signature details because signature not present */
		certopt |= X509_FLAG_NO_SIGDUMP | X509_FLAG_NO_SIGNAME;
		X509_print_ex(bio_err, ret, nameopt, certopt); 
		}

	BIO_printf(bio_err,"Certificate is to be certified until ");
	ASN1_UTCTIME_print(bio_err,X509_get_notAfter(ret));
	if (days) BIO_printf(bio_err," (%ld days)",days);
	BIO_printf(bio_err, "\n");

	if (!batch)
		{

		BIO_printf(bio_err,"Sign the certificate? [y/n]:");
		(void)BIO_flush(bio_err);
		buf[0]='\0';
		fgets(buf,sizeof(buf)-1,stdin);
		if (!((buf[0] == 'y') || (buf[0] == 'Y')))
			{
			BIO_printf(bio_err,"CERTIFICATE WILL NOT BE CERTIFIED\n");
			ok=0;
			goto err;
			}
		}


#ifndef OPENSSL_NO_DSA
	if (pkey->type == EVP_PKEY_DSA) dgst=EVP_dss1();
	pktmp=X509_get_pubkey(ret);
	if (EVP_PKEY_missing_parameters(pktmp) &&
		!EVP_PKEY_missing_parameters(pkey))
		EVP_PKEY_copy_parameters(pktmp,pkey);
	EVP_PKEY_free(pktmp);
#endif
#ifndef OPENSSL_NO_ECDSA
	if (pkey->type == EVP_PKEY_EC)
		dgst = EVP_ecdsa();
	pktmp = X509_get_pubkey(ret);
	if (EVP_PKEY_missing_parameters(pktmp) &&
		!EVP_PKEY_missing_parameters(pkey))
		EVP_PKEY_copy_parameters(pktmp, pkey);
	EVP_PKEY_free(pktmp);
#endif


	if (!X509_sign(ret,pkey,dgst))
		goto err;

	/* We now just add it to the database */
	row[DB_type]=(char *)OPENSSL_malloc(2);

	tm=X509_get_notAfter(ret);
	row[DB_exp_date]=(char *)OPENSSL_malloc(tm->length+1);
	memcpy(row[DB_exp_date],tm->data,tm->length);
	row[DB_exp_date][tm->length]='\0';

	row[DB_rev_date]=NULL;

	/* row[DB_serial] done already */
	row[DB_file]=(char *)OPENSSL_malloc(8);
	row[DB_name]=X509_NAME_oneline(X509_get_subject_name(ret),NULL,0);

	if ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||
		(row[DB_file] == NULL) || (row[DB_name] == NULL))
		{
		BIO_printf(bio_err,"Memory allocation failure\n");
		goto err;
		}
	strcpy(row[DB_file],"unknown");
	row[DB_type][0]='V';
	row[DB_type][1]='\0';

	if ((irow=(char **)OPENSSL_malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)
		{
		BIO_printf(bio_err,"Memory allocation failure\n");
		goto err;
		}

	for (i=0; i<DB_NUMBER; i++)
		{
		irow[i]=row[i];
		row[i]=NULL;
		}
	irow[DB_NUMBER]=NULL;

	if (!TXT_DB_insert(db->db,irow))
		{
		BIO_printf(bio_err,"failed to update database\n");
		BIO_printf(bio_err,"TXT_DB error number %ld\n",db->db->error);
		goto err;
		}
	ok=1;
err:
	for (i=0; i<DB_NUMBER; i++)
		if (row[i] != NULL) OPENSSL_free(row[i]);

	if (CAname != NULL)
		X509_NAME_free(CAname);
	if (subject != NULL)
		X509_NAME_free(subject);
	if ((dn_subject != NULL) && !email_dn)
		X509_NAME_free(dn_subject);
	if (tmptm != NULL)
		ASN1_UTCTIME_free(tmptm);
	if (ok <= 0)
		{
		if (ret != NULL) X509_free(ret);
		ret=NULL;
		}
	else
		*xret=ret;
	return(ok);
	}

static void write_new_certificate(BIO *bp, X509 *x, int output_der, int notext)
	{

	if (output_der)
		{
		(void)i2d_X509_bio(bp,x);
		return;
		}
#if 0
	/* ??? Not needed since X509_print prints all this stuff anyway */
	f=X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
	BIO_printf(bp,"issuer :%s\n",f);

	f=X509_NAME_oneline(X509_get_subject_name(x),buf,256);
	BIO_printf(bp,"subject:%s\n",f);

	BIO_puts(bp,"serial :");
	i2a_ASN1_INTEGER(bp,x->cert_info->serialNumber);
	BIO_puts(bp,"\n\n");
#endif
	if (!notext)X509_print(bp,x);
	PEM_write_bio_X509(bp,x);
	}

static int certify_spkac(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
	     const EVP_MD *dgst, STACK_OF(CONF_VALUE) *policy, CA_DB *db,
	     BIGNUM *serial, char *subj, int email_dn, char *startdate, char *enddate,
	     long days, char *ext_sect, CONF *lconf, int verbose, unsigned long certopt,
	     unsigned long nameopt, int default_op, int ext_copy)
	{
	STACK_OF(CONF_VALUE) *sk=NULL;
	LHASH *parms=NULL;
	X509_REQ *req=NULL;
	CONF_VALUE *cv=NULL;
	NETSCAPE_SPKI *spki = NULL;
	X509_REQ_INFO *ri;
	char *type,*buf;
	EVP_PKEY *pktmp=NULL;
	X509_NAME *n=NULL;
	X509_NAME_ENTRY *ne=NULL;
	int ok= -1,i,j;
	long errline;
	int nid;

	/*
	 * Load input file into a hash table.  (This is just an easy
	 * way to read and parse the file, then put it into a convenient
	 * STACK format).
	 */
	parms=CONF_load(NULL,infile,&errline);
	if (parms == NULL)
		{
		BIO_printf(bio_err,"error on line %ld of %s\n",errline,infile);
		ERR_print_errors(bio_err);
		goto err;
		}

	sk=CONF_get_section(parms, "default");
	if (sk_CONF_VALUE_num(sk) == 0)
		{
		BIO_printf(bio_err, "no name/value pairs found in %s\n", infile);
		CONF_free(parms);
		goto err;
		}

	/*
	 * Now create a dummy X509 request structure.  We don't actually
	 * have an X509 request, but we have many of the components
	 * (a public key, various DN components).  The idea is that we
	 * put these components into the right X509 request structure
	 * and we can use the same code as if you had a real X509 request.
	 */
	req=X509_REQ_new();
	if (req == NULL)
		{
		ERR_print_errors(bio_err);
		goto err;
		}

	/*
	 * Build up the subject name set.
	 */
	ri=req->req_info;
	n = ri->subject;

	for (i = 0; ; i++)
		{
		if (sk_CONF_VALUE_num(sk) <= i) break;

		cv=sk_CONF_VALUE_value(sk,i);
		type=cv->name;
		/* Skip past any leading X. X: X, etc to allow for
		 * multiple instances
		 */
		for (buf = cv->name; *buf ; buf++)
			if ((*buf == ':') || (*buf == ',') || (*buf == '.'))
				{
				buf++;
				if (*buf) type = buf;
				break;
				}

		buf=cv->value;
		if ((nid=OBJ_txt2nid(type)) == NID_undef)
			{
			if (strcmp(type, "SPKAC") == 0)
				{
				spki = NETSCAPE_SPKI_b64_decode(cv->value, -1);
				if (spki == NULL)
					{
					BIO_printf(bio_err,"unable to load Netscape SPKAC structure\n");
					ERR_print_errors(bio_err);
					goto err;
					}
				}
			continue;
			}

		/*
		if ((nid == NID_pkcs9_emailAddress) && (email_dn == 0))
			continue;
		*/
		
		j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
		if (fix_data(nid, &j) == 0)
			{
			BIO_printf(bio_err,
				"invalid characters in string %s\n",buf);
			goto err;
			}

		if ((ne=X509_NAME_ENTRY_create_by_NID(&ne,nid,j,
			(unsigned char *)buf,
			strlen(buf))) == NULL)
			goto err;

		if (!X509_NAME_add_entry(n,ne,-1, 0)) goto err;
		}
	if (spki == NULL)
		{
		BIO_printf(bio_err,"Netscape SPKAC structure not found in %s\n",
			infile);
		goto err;
		}

	/*
	 * Now extract the key from the SPKI structure.
	 */

	BIO_printf(bio_err,"Check that the SPKAC request matches the signature\n");

	if ((pktmp=NETSCAPE_SPKI_get_pubkey(spki)) == NULL)
		{
		BIO_printf(bio_err,"error unpacking SPKAC public key\n");
		goto err;
		}

	j = NETSCAPE_SPKI_verify(spki, pktmp);
	if (j <= 0)
		{
		BIO_printf(bio_err,"signature verification failed on SPKAC public key\n");
		goto err;
		}
	BIO_printf(bio_err,"Signature ok\n");

	X509_REQ_set_pubkey(req,pktmp);
	EVP_PKEY_free(pktmp);
	ok=do_body(xret,pkey,x509,dgst,policy,db,serial,subj,email_dn,startdate,enddate,
		   days,1,verbose,req,ext_sect,lconf, certopt, nameopt, default_op,
			ext_copy, 0);
err:
	if (req != NULL) X509_REQ_free(req);
	if (parms != NULL) CONF_free(parms);
	if (spki != NULL) NETSCAPE_SPKI_free(spki);
	if (ne != NULL) X509_NAME_ENTRY_free(ne);

	return(ok);
	}

static int fix_data(int nid, int *type)
	{
	if (nid == NID_pkcs9_emailAddress)
		*type=V_ASN1_IA5STRING;
	if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
		*type=V_ASN1_T61STRING;
	if ((nid == NID_pkcs9_challengePassword) && (*type == V_ASN1_IA5STRING))
		*type=V_ASN1_T61STRING;
	if ((nid == NID_pkcs9_unstructuredName) && (*type == V_ASN1_T61STRING))
		return(0);
	if (nid == NID_pkcs9_unstructuredName)
		*type=V_ASN1_IA5STRING;
	return(1);
	}

static int check_time_format(char *str)
	{
	ASN1_UTCTIME tm;

	tm.data=(unsigned char *)str;
	tm.length=strlen(str);
	tm.type=V_ASN1_UTCTIME;
	return(ASN1_UTCTIME_check(&tm));
	}

static int do_revoke(X509 *x509, CA_DB *db, int type, char *value)
	{
	ASN1_UTCTIME *tm=NULL;
	char *row[DB_NUMBER],**rrow,**irow;
	char *rev_str = NULL;
	BIGNUM *bn = NULL;
	int ok=-1,i;

	for (i=0; i<DB_NUMBER; i++)
		row[i]=NULL;
	row[DB_name]=X509_NAME_oneline(X509_get_subject_name(x509),NULL,0);
	bn = ASN1_INTEGER_to_BN(X509_get_serialNumber(x509),NULL);
	if (BN_is_zero(bn))
		row[DB_serial]=BUF_strdup("00");
	else
		row[DB_serial]=BN_bn2hex(bn);
	BN_free(bn);
	if ((row[DB_name] == NULL) || (row[DB_serial] == NULL))
		{
		BIO_printf(bio_err,"Memory allocation failure\n");
		goto err;
		}
	/* We have to lookup by serial number because name lookup
	 * skips revoked certs
 	 */
	rrow=TXT_DB_get_by_index(db->db,DB_serial,row);
	if (rrow == NULL)
		{
		BIO_printf(bio_err,"Adding Entry with serial number %s to DB for %s\n", row[DB_serial], row[DB_name]);

		/* We now just add it to the database */
		row[DB_type]=(char *)OPENSSL_malloc(2);

		tm=X509_get_notAfter(x509);
		row[DB_exp_date]=(char *)OPENSSL_malloc(tm->length+1);
		memcpy(row[DB_exp_date],tm->data,tm->length);
		row[DB_exp_date][tm->length]='\0';

		row[DB_rev_date]=NULL;

		/* row[DB_serial] done already */
		row[DB_file]=(char *)OPENSSL_malloc(8);

		/* row[DB_name] done already */

		if ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||
			(row[DB_file] == NULL))
			{
			BIO_printf(bio_err,"Memory allocation failure\n");
			goto err;
			}
		strcpy(row[DB_file],"unknown");
		row[DB_type][0]='V';
		row[DB_type][1]='\0';

		if ((irow=(char **)OPENSSL_malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)
			{
			BIO_printf(bio_err,"Memory allocation failure\n");
			goto err;
			}

		for (i=0; i<DB_NUMBER; i++)
			{
			irow[i]=row[i];
			row[i]=NULL;
			}
		irow[DB_NUMBER]=NULL;

		if (!TXT_DB_insert(db->db,irow))
			{
			BIO_printf(bio_err,"failed to update database\n");
			BIO_printf(bio_err,"TXT_DB error number %ld\n",db->db->error);
			goto err;
			}

		/* Revoke Certificate */
		ok = do_revoke(x509,db, type, value);

		goto err;

		}
	else if (index_name_cmp((const char **)row,(const char **)rrow))
		{
		BIO_printf(bio_err,"ERROR:name does not match %s\n",
			   row[DB_name]);
		goto err;
		}
	else if (rrow[DB_type][0]=='R')
		{
		BIO_printf(bio_err,"ERROR:Already revoked, serial number %s\n",
			   row[DB_serial]);
		goto err;
		}
	else
		{
		BIO_printf(bio_err,"Revoking Certificate %s.\n", rrow[DB_serial]);
		rev_str = make_revocation_str(type, value);
		if (!rev_str)
			{
			BIO_printf(bio_err, "Error in revocation arguments\n");
			goto err;
			}
		rrow[DB_type][0]='R';
		rrow[DB_type][1]='\0';
		rrow[DB_rev_date] = rev_str;
		}
	ok=1;
err:
	for (i=0; i<DB_NUMBER; i++)
		{
		if (row[i] != NULL) 
			OPENSSL_free(row[i]);
		}
	return(ok);
	}

static int get_certificate_status(const char *serial, CA_DB *db)
	{
	char *row[DB_NUMBER],**rrow;
	int ok=-1,i;

	/* Free Resources */
	for (i=0; i<DB_NUMBER; i++)
		row[i]=NULL;

	/* Malloc needed char spaces */
	row[DB_serial] = OPENSSL_malloc(strlen(serial) + 2);
	if (row[DB_serial] == NULL)
		{
		BIO_printf(bio_err,"Malloc failure\n");
		goto err;
		}

	if (strlen(serial) % 2)
		{
		/* Set the first char to 0 */;
		row[DB_serial][0]='0';

		/* Copy String from serial to row[DB_serial] */
		memcpy(row[DB_serial]+1, serial, strlen(serial));
		row[DB_serial][strlen(serial)+1]='\0';
		}
	else
		{
		/* Copy String from serial to row[DB_serial] */
		memcpy(row[DB_serial], serial, strlen(serial));
		row[DB_serial][strlen(serial)]='\0';
		}
			
	/* Make it Upper Case */
	for (i=0; row[DB_serial][i] != '\0'; i++)
		row[DB_serial][i] = toupper(row[DB_serial][i]);
	

	ok=1;

	/* Search for the certificate */
	rrow=TXT_DB_get_by_index(db->db,DB_serial,row);
	if (rrow == NULL)
		{
		BIO_printf(bio_err,"Serial %s not present in db.\n",
				 row[DB_serial]);
		ok=-1;
		goto err;
		}
	else if (rrow[DB_type][0]=='V')
		{
		BIO_printf(bio_err,"%s=Valid (%c)\n",
			row[DB_serial], rrow[DB_type][0]);
		goto err;
		}
	else if (rrow[DB_type][0]=='R')
		{
		BIO_printf(bio_err,"%s=Revoked (%c)\n",
			row[DB_serial], rrow[DB_type][0]);
		goto err;
		}
	else if (rrow[DB_type][0]=='E')
		{
		BIO_printf(bio_err,"%s=Expired (%c)\n",
			row[DB_serial], rrow[DB_type][0]);
		goto err;
		}
	else if (rrow[DB_type][0]=='S')
		{
		BIO_printf(bio_err,"%s=Suspended (%c)\n",
			row[DB_serial], rrow[DB_type][0]);
		goto err;
		}
	else
		{
		BIO_printf(bio_err,"%s=Unknown (%c).\n",
			row[DB_serial], rrow[DB_type][0]);
		ok=-1;
		}
err:
	for (i=0; i<DB_NUMBER; i++)
		{
		if (row[i] != NULL)
			OPENSSL_free(row[i]);
		}
	return(ok);
	}

static int do_updatedb (CA_DB *db)
	{
	ASN1_UTCTIME	*a_tm = NULL;
	int i, cnt = 0;
	int db_y2k, a_y2k;  /* flags = 1 if y >= 2000 */ 
	char **rrow, *a_tm_s;

	a_tm = ASN1_UTCTIME_new();

	/* get actual time and make a string */
	a_tm = X509_gmtime_adj(a_tm, 0);
	a_tm_s = (char *) OPENSSL_malloc(a_tm->length+1);
	if (a_tm_s == NULL)
		{
		cnt = -1;
		goto err;
		}

	memcpy(a_tm_s, a_tm->data, a_tm->length);
	a_tm_s[a_tm->length] = '\0';

	if (strncmp(a_tm_s, "49", 2) <= 0)
		a_y2k = 1;
	else
		a_y2k = 0;

	for (i = 0; i < sk_num(db->db->data); i++)
		{
		rrow = (char **) sk_value(db->db->data, i);

		if (rrow[DB_type][0] == 'V')
		 	{
			/* ignore entries that are not valid */
			if (strncmp(rrow[DB_exp_date], "49", 2) <= 0)
				db_y2k = 1;
			else
				db_y2k = 0;

			if (db_y2k == a_y2k)
				{
				/* all on the same y2k side */
				if (strcmp(rrow[DB_exp_date], a_tm_s) <= 0)
				       	{
				       	rrow[DB_type][0]  = 'E';
				       	rrow[DB_type][1]  = '\0';
	  				cnt++;

					BIO_printf(bio_err, "%s=Expired\n",
							rrow[DB_serial]);
					}
				}
			else if (db_y2k < a_y2k)
				{
		  		rrow[DB_type][0]  = 'E';
		  		rrow[DB_type][1]  = '\0';
	  			cnt++;

				BIO_printf(bio_err, "%s=Expired\n",
							rrow[DB_serial]);
				}

			}
    		}

err:

	ASN1_UTCTIME_free(a_tm);
	OPENSSL_free(a_tm_s);

	return (cnt);
	}

static char *crl_reasons[] = {
	/* CRL reason strings */
	"unspecified",
	"keyCompromise",
	"CACompromise",
	"affiliationChanged",
	"superseded", 
	"cessationOfOperation",
	"certificateHold",
	"removeFromCRL",
	/* Additional pseudo reasons */
	"holdInstruction",
	"keyTime",
	"CAkeyTime"
};

#define NUM_REASONS (sizeof(crl_reasons) / sizeof(char *))

/* Given revocation information convert to a DB string.
 * The format of the string is:
 * revtime[,reason,extra]. Where 'revtime' is the
 * revocation time (the current time). 'reason' is the
 * optional CRL reason and 'extra' is any additional
 * argument
 */

char *make_revocation_str(int rev_type, char *rev_arg)
	{
	char *reason = NULL, *other = NULL, *str;
	ASN1_OBJECT *otmp;
	ASN1_UTCTIME *revtm = NULL;
	int i;
	switch (rev_type)
		{
	case REV_NONE:
		break;

	case REV_CRL_REASON:
		for (i = 0; i < 8; i++)
			{
			if (!strcasecmp(rev_arg, crl_reasons[i]))
				{
				reason = crl_reasons[i];
				break;
				}
			}
		if (reason == NULL)
			{
			BIO_printf(bio_err, "Unknown CRL reason %s\n", rev_arg);
			return NULL;
			}
		break;

	case REV_HOLD:
		/* Argument is an OID */

		otmp = OBJ_txt2obj(rev_arg, 0);
		ASN1_OBJECT_free(otmp);

		if (otmp == NULL)
			{
			BIO_printf(bio_err, "Invalid object identifier %s\n", rev_arg);
			return NULL;
			}

		reason = "holdInstruction";
		other = rev_arg;
		break;
		
	case REV_KEY_COMPROMISE:
	case REV_CA_COMPROMISE:

		/* Argument is the key compromise time  */
		if (!ASN1_GENERALIZEDTIME_set_string(NULL, rev_arg))
			{	
			BIO_printf(bio_err, "Invalid time format %s. Need YYYYMMDDHHMMSSZ\n", rev_arg);
			return NULL;
			}
		other = rev_arg;
		if (rev_type == REV_KEY_COMPROMISE)
			reason = "keyTime";
		else 
			reason = "CAkeyTime";

		break;

		}

	revtm = X509_gmtime_adj(NULL, 0);

	i = revtm->length + 1;

	if (reason) i += strlen(reason) + 1;
	if (other) i += strlen(other) + 1;

	str = OPENSSL_malloc(i);

	if (!str) return NULL;

	strcpy(str, (char *)revtm->data);
	if (reason)
		{
		strcat(str, ",");
		strcat(str, reason);
		}
	if (other)
		{
		strcat(str, ",");
		strcat(str, other);
		}
	ASN1_UTCTIME_free(revtm);
	return str;
	}

/* Convert revocation field to X509_REVOKED entry 
 * return code:
 * 0 error
 * 1 OK
 * 2 OK and some extensions added (i.e. V2 CRL)
 */


int make_revoked(X509_REVOKED *rev, char *str)
	{
	char *tmp = NULL;
	int reason_code = -1;
	int i, ret = 0;
	ASN1_OBJECT *hold = NULL;
	ASN1_GENERALIZEDTIME *comp_time = NULL;
	ASN1_ENUMERATED *rtmp = NULL;

	ASN1_TIME *revDate = NULL;

	i = unpack_revinfo(&revDate, &reason_code, &hold, &comp_time, str);

	if (i == 0)
		goto err;

	if (rev && !X509_REVOKED_set_revocationDate(rev, revDate))
		goto err;

	if (rev && (reason_code != OCSP_REVOKED_STATUS_NOSTATUS))
		{
		rtmp = ASN1_ENUMERATED_new();
		if (!rtmp || !ASN1_ENUMERATED_set(rtmp, reason_code))
			goto err;
		if (!X509_REVOKED_add1_ext_i2d(rev, NID_crl_reason, rtmp, 0, 0))
			goto err;
		}

	if (rev && comp_time)
		{
		if (!X509_REVOKED_add1_ext_i2d(rev, NID_invalidity_date, comp_time, 0, 0))
			goto err;
		}
	if (rev && hold)
		{
		if (!X509_REVOKED_add1_ext_i2d(rev, NID_hold_instruction_code, hold, 0, 0))
			goto err;
		}

	if (reason_code != OCSP_REVOKED_STATUS_NOSTATUS)
		ret = 2;
	else ret = 1;

	err:

	if (tmp) OPENSSL_free(tmp);
	ASN1_OBJECT_free(hold);
	ASN1_GENERALIZEDTIME_free(comp_time);
	ASN1_ENUMERATED_free(rtmp);
	ASN1_TIME_free(revDate);

	return ret;
	}

/*
 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
 * where characters may be escaped by \
 */
X509_NAME *do_subject(char *subject, long chtype)
	{
	size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
	char *buf = OPENSSL_malloc(buflen);
	size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
	char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
	char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));

	char *sp = subject, *bp = buf;
	int i, ne_num = 0;

	X509_NAME *n = NULL;
	int nid;

	if (!buf || !ne_types || !ne_values)
		{
		BIO_printf(bio_err, "malloc error\n");
		goto error;
		}	

	if (*subject != '/')
		{
		BIO_printf(bio_err, "Subject does not start with '/'.\n");
		goto error;
		}
	sp++; /* skip leading / */

	while (*sp)
		{
		/* collect type */
		ne_types[ne_num] = bp;
		while (*sp)
			{
			if (*sp == '\\') /* is there anything to escape in the type...? */
				{
				if (*++sp)
					*bp++ = *sp++;
				else	
					{
					BIO_printf(bio_err, "escape character at end of string\n");
					goto error;
					}
				}	
			else if (*sp == '=')
				{
				sp++;
				*bp++ = '\0';
				break;
				}
			else
				*bp++ = *sp++;
			}
		if (!*sp)
			{
			BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
			goto error;
			}
		ne_values[ne_num] = bp;
		while (*sp)
			{
			if (*sp == '\\')
				{
				if (*++sp)
					*bp++ = *sp++;
				else
					{
					BIO_printf(bio_err, "escape character at end of string\n");
					goto error;
					}
				}
			else if (*sp == '/')
				{
				sp++;
				break;
				}
			else
				*bp++ = *sp++;
			}
		*bp++ = '\0';
		ne_num++;
		}	

	if (!(n = X509_NAME_new()))
		goto error;

	for (i = 0; i < ne_num; i++)
		{
		if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
			{
			BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
			continue;
			}

		if (!*ne_values[i])
			{
			BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
			continue;
			}

		if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,0))
			goto error;
		}

	OPENSSL_free(ne_values);
	OPENSSL_free(ne_types);
	OPENSSL_free(buf);
	return n;

error:
	X509_NAME_free(n);
	if (ne_values)
		OPENSSL_free(ne_values);
	if (ne_types)
		OPENSSL_free(ne_types);
	if (buf)
		OPENSSL_free(buf);
	return NULL;
}

int old_entry_print(BIO *bp, ASN1_OBJECT *obj, ASN1_STRING *str)
	{
	char buf[25],*pbuf, *p;
	int j;
	j=i2a_ASN1_OBJECT(bp,obj);
	pbuf=buf;
	for (j=22-j; j>0; j--)
		*(pbuf++)=' ';
	*(pbuf++)=':';
	*(pbuf++)='\0';
	BIO_puts(bp,buf);

	if (str->type == V_ASN1_PRINTABLESTRING)
		BIO_printf(bp,"PRINTABLE:'");
	else if (str->type == V_ASN1_T61STRING)
		BIO_printf(bp,"T61STRING:'");
	else if (str->type == V_ASN1_IA5STRING)
		BIO_printf(bp,"IA5STRING:'");
	else if (str->type == V_ASN1_UNIVERSALSTRING)
		BIO_printf(bp,"UNIVERSALSTRING:'");
	else
		BIO_printf(bp,"ASN.1 %2d:'",str->type);
			
	p=(char *)str->data;
	for (j=str->length; j>0; j--)
		{
		if ((*p >= ' ') && (*p <= '~'))
			BIO_printf(bp,"%c",*p);
		else if (*p & 0x80)
			BIO_printf(bp,"\\0x%02X",*p);
		else if ((unsigned char)*p == 0xf7)
			BIO_printf(bp,"^?");
		else	BIO_printf(bp,"^%c",*p+'@');
		p++;
		}
	BIO_printf(bp,"'\n");
	return 1;
	}

int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold, ASN1_GENERALIZEDTIME **pinvtm, char *str)
	{
	char *tmp = NULL;
	char *rtime_str, *reason_str = NULL, *arg_str = NULL, *p;
	int reason_code = -1;
	int i, ret = 0;
	ASN1_OBJECT *hold = NULL;
	ASN1_GENERALIZEDTIME *comp_time = NULL;
	tmp = BUF_strdup(str);

	p = strchr(tmp, ',');

	rtime_str = tmp;

	if (p)
		{
		*p = '\0';
		p++;
		reason_str = p;
		p = strchr(p, ',');
		if (p)
			{
			*p = '\0';
			arg_str = p + 1;
			}
		}

	if (prevtm)
		{
		*prevtm = ASN1_UTCTIME_new();
		if (!ASN1_UTCTIME_set_string(*prevtm, rtime_str))
			{
			BIO_printf(bio_err, "invalid revocation date %s\n", rtime_str);
			goto err;
			}
		}
	if (reason_str)
		{
		for (i = 0; i < NUM_REASONS; i++)
			{
			if(!strcasecmp(reason_str, crl_reasons[i]))
				{
				reason_code = i;
				break;
				}
			}
		if (reason_code == OCSP_REVOKED_STATUS_NOSTATUS)
			{
			BIO_printf(bio_err, "invalid reason code %s\n", reason_str);
			goto err;
			}

		if (reason_code == 7)
			reason_code = OCSP_REVOKED_STATUS_REMOVEFROMCRL;
		else if (reason_code == 8)		/* Hold instruction */
			{
			if (!arg_str)
				{	
				BIO_printf(bio_err, "missing hold instruction\n");
				goto err;
				}
			reason_code = OCSP_REVOKED_STATUS_CERTIFICATEHOLD;
			hold = OBJ_txt2obj(arg_str, 0);

			if (!hold)
				{
				BIO_printf(bio_err, "invalid object identifier %s\n", arg_str);
				goto err;
				}
			if (phold) *phold = hold;
			}
		else if ((reason_code == 9) || (reason_code == 10))
			{
			if (!arg_str)
				{	
				BIO_printf(bio_err, "missing compromised time\n");
				goto err;
				}
			comp_time = ASN1_GENERALIZEDTIME_new();
			if (!ASN1_GENERALIZEDTIME_set_string(comp_time, arg_str))
				{	
				BIO_printf(bio_err, "invalid compromised time %s\n", arg_str);
				goto err;
				}
			if (reason_code == 9)
				reason_code = OCSP_REVOKED_STATUS_KEYCOMPROMISE;
			else
				reason_code = OCSP_REVOKED_STATUS_CACOMPROMISE;
			}
		}

	if (preason) *preason = reason_code;
	if (pinvtm) *pinvtm = comp_time;
	else ASN1_GENERALIZEDTIME_free(comp_time);

	ret = 1;

	err:

	if (tmp) OPENSSL_free(tmp);
	if (!phold) ASN1_OBJECT_free(hold);
	if (!pinvtm) ASN1_GENERALIZEDTIME_free(comp_time);

	return ret;
	}