xref: /dragonfly/crypto/libressl/apps/openssl/ca.c (revision f5b1c8a1)

/* $OpenBSD: ca.c,v 1.19 2015/10/17 15:00:11 doug Exp $ */
/* 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 <sys/types.h>

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <unistd.h>

#include "apps.h"

#include <openssl/bio.h>
#include <openssl/bn.h>
#include <openssl/conf.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/ocsp.h>
#include <openssl/pem.h>
#include <openssl/txt_db.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>

#define BASE_SECTION		"ca"

#define ENV_DEFAULT_CA		"default_ca"

#define STRING_MASK		"string_mask"
#define UTF8_IN			"utf8"

#define ENV_NEW_CERTS_DIR	"new_certs_dir"
#define ENV_CERTIFICATE 	"certificate"
#define ENV_SERIAL		"serial"
#define ENV_CRLNUMBER		"crlnumber"
#define ENV_PRIVATE_KEY		"private_key"
#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_UNIQUE_SUBJECT	"unique_subject"

#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 const char *ca_usage[] = {
	"usage: ca args\n",
	"\n",
	" -verbose        - Talk a lot 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 md5 or sha1\n",
	" -policy arg     - The CA 'policy' to support\n",
	" -keyfile arg    - private key file\n",
	" -keyform arg    - private key file format (PEM)\n",
	" -key arg        - key to decode the private key if it is encrypted\n",
	" -cert file      - The CA certificate\n",
	" -selfsign       - sign a certificate with the key associated with it\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",
	" -utf8           - input characters are UTF8 (default ASCII)\n",
	" -multivalue-rdn - enable support for multivalued RDNs\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",
	" -status serial  - Shows certificate status given the serial number\n",
	" -updatedb       - Updates db for expired certificates\n",
	NULL
};

static void lookup_fail(const char *name, const char *tag);
static int certify(X509 ** xret, char *infile, EVP_PKEY * pkey, X509 * x509,
    const EVP_MD * dgst, STACK_OF(OPENSSL_STRING) * sigopts,
    STACK_OF(CONF_VALUE) * policy, CA_DB * db, BIGNUM * serial, char *subj,
    unsigned long chtype, int multirdn, 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(OPENSSL_STRING) * sigopts,
    STACK_OF(CONF_VALUE) * policy, CA_DB * db, BIGNUM * serial, char *subj,
    unsigned long chtype, int multirdn, 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);
static int certify_spkac(X509 ** xret, char *infile, EVP_PKEY * pkey,
    X509 * x509, const EVP_MD * dgst, STACK_OF(OPENSSL_STRING) * sigopts,
    STACK_OF(CONF_VALUE) * policy, CA_DB * db, BIGNUM * serial, char *subj,
    unsigned long chtype, int multirdn, 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 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(OPENSSL_STRING) * sigopts,
    STACK_OF(CONF_VALUE) * policy, CA_DB * db, BIGNUM * serial, char *subj,
    unsigned long chtype, int multirdn, 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(const char *str);
static char * bin2hex(unsigned char *, size_t);
char *make_revocation_str(int rev_type, char *rev_arg);
int make_revoked(X509_REVOKED * rev, const 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
ca_main(int argc, char **argv)
{
	char *key = NULL, *passargin = NULL;
	int create_ser = 0;
	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 crlsec = 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 *crlnumberfile = NULL;
	char *extensions = NULL;
	char *extfile = NULL;
	char *subj = NULL;
	unsigned long chtype = MBSTRING_ASC;
	int multirdn = 0;
	char *tmp_email_dn = NULL;
	char *crl_ext = NULL;
	int rev_type = REV_NONE;
	char *rev_arg = NULL;
	BIGNUM *serial = NULL;
	BIGNUM *crlnumber = 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 *f;
	const char *p;
	char *const * pp;
	int i, j;
	const EVP_MD *dgst = NULL;
	STACK_OF(CONF_VALUE) * attribs = NULL;
	STACK_OF(X509) * cert_sk = NULL;
	STACK_OF(OPENSSL_STRING) * sigopts = NULL;
#define BUFLEN 256
	char buf[3][BUFLEN];
	char *tofree = NULL;
	const char *errstr = NULL;
	DB_ATTR db_attr;

	if (single_execution) {
		if (pledge("stdio rpath wpath cpath tty", NULL) == -1) {
			perror("pledge");
			exit(1);
		}
	}

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

	preserve = 0;
	msie_hack = 0;

	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, "-utf8") == 0)
			chtype = MBSTRING_UTF8;
		else if (strcmp(*argv, "-create_serial") == 0)
			create_ser = 1;
		else if (strcmp(*argv, "-multivalue-rdn") == 0)
			multirdn = 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 = strtonum(*(++argv), 0, LONG_MAX, &errstr);
			if (errstr)
				goto bad;
		} 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, "-sigopt") == 0) {
			if (--argc < 1)
				goto bad;
			if (!sigopts)
				sigopts = sk_OPENSSL_STRING_new_null();
			if (!sigopts ||
			    !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
				goto bad;
		} 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 = strtonum(*(++argv), 0, LONG_MAX, &errstr);
			if (errstr)
				goto bad;
		} else if (strcmp(*argv, "-crlhours") == 0) {
			if (--argc < 1)
				goto bad;
			crlhours = strtonum(*(++argv), 0, LONG_MAX, &errstr);
			if (errstr)
				goto bad;
		} else if (strcmp(*argv, "-crlsec") == 0) {
			if (--argc < 1)
				goto bad;
			crlsec = strtonum(*(++argv), 0, LONG_MAX, &errstr);
			if (errstr)
				goto bad;
		} 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;
		}
		else {
bad:
			if (errstr)
				BIO_printf(bio_err, "invalid argument %s: %s\n",
				    *argv, errstr);
			else
				BIO_printf(bio_err, "unknown option %s\n", *argv);
			badops = 1;
			break;
		}
		argc--;
		argv++;
	}

	if (badops) {
		const char **pp2;

		for (pp2 = ca_usage; (*pp2 != NULL); pp2++)
			BIO_printf(bio_err, "%s", *pp2);
		goto err;
	}

	/*****************************************************************/
	tofree = NULL;
	if (configfile == NULL)
		configfile = getenv("OPENSSL_CONF");
	if (configfile == NULL) {
		if ((tofree = make_config_name()) == NULL) {
			BIO_printf(bio_err, "error making config file name\n");
			goto err;
		}
		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;
	}
	free(tofree);
	tofree = NULL;

	/* 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;
		}
	}
	f = NCONF_get_string(conf, section, STRING_MASK);
	if (!f)
		ERR_clear_error();

	if (f && !ASN1_STRING_set_default_mask_asc(f)) {
		BIO_printf(bio_err,
		    "Invalid global string mask setting %s\n", f);
		goto err;
	}
	if (chtype != MBSTRING_UTF8) {
		f = NCONF_get_string(conf, section, UTF8_IN);
		if (!f)
			ERR_clear_error();
		else if (!strcmp(f, "yes"))
			chtype = MBSTRING_UTF8;
	}
	db_attr.unique_subject = 1;
	p = NCONF_get_string(conf, section, ENV_UNIQUE_SUBJECT);
	if (p) {
		db_attr.unique_subject = parse_yesno(p, 1);
	} else
		ERR_clear_error();

	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, "CA private key");
	if (key)
		explicit_bzero(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,
		    "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)) {

		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;
		}
		/*
		 * 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 (app_isdir(outdir) <= 0) {
			BIO_printf(bio_err,
			    "%s need to be a directory\n", outdir);
			perror(outdir);
			goto err;
		}
	}
	/*****************************************************************/
	/* 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_OPENSSL_PSTRING_num(db->db->data); i++) {
		pp = sk_OPENSSL_PSTRING_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((char *) 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 */
		TXT_DB_write(out, db->db);
		BIO_printf(bio_err, "%d entries loaded from the database\n",
		    sk_OPENSSL_PSTRING_num(db->db->data));
		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);
		}
	}
	/*****************************************************************/
	/* 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);
		}
	}
	if ((md == NULL) && ((md = NCONF_get_string(conf, section,
	    ENV_DEFAULT_MD)) == NULL)) {
		lookup_fail(section, ENV_DEFAULT_MD);
		goto err;
	}
	if (!strcmp(md, "default")) {
		int def_nid;
		if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) <= 0) {
			BIO_puts(bio_err, "no default digest\n");
			goto err;
		}
		md = (char *) OBJ_nid2sn(def_nid);
	}
	if ((dgst = EVP_get_digestbyname(md)) == NULL) {
		BIO_printf(bio_err,
		    "%s is an unsupported message digest type\n", md);
		goto err;
	}
	if (req) {
		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 (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_TIME_set_string(NULL, startdate)) {
			BIO_printf(bio_err, "start date is invalid, it should be YYMMDDHHMMSSZ or YYYYMMDDHHMMSSZ\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_TIME_set_string(NULL, enddate)) {
			BIO_printf(bio_err, "end date is invalid, it should be YYMMDDHHMMSSZ or YYYYMMDDHHMMSSZ\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, create_ser, 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);
				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,
			    sigopts, attribs, db, serial, subj, chtype,
			    multirdn, 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,
			    sigopts, attribs, db, serial, subj, chtype,
			    multirdn, email_dn, startdate, enddate, days, batch,
			    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 (infile != NULL) {
			total++;
			j = certify(&x, infile, pkey, x509p, dgst, sigopts,
			    attribs, db, serial, subj, chtype, multirdn,
			    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, sigopts,
			    attribs, db, serial, subj, chtype, multirdn,
			    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';
				if (!fgets(buf[0], 10, stdin)) {
					BIO_printf(bio_err, "CERTIFICATION CANCELED: I/O error\n");
					ret = 0;
					goto err;
				}
				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 (!save_serial(serialfile, "new", 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;
			char *serialstr;
			unsigned char *data;

			x = sk_X509_value(cert_sk, i);

			j = x->cert_info->serialNumber->length;
			data = (unsigned char *)x->cert_info->serialNumber->data;
			if (j > 0)
				serialstr = bin2hex(data, j);
			else
				serialstr = strdup("00");
			if (serialstr) {
				k = snprintf(buf[2], sizeof(buf[2]),
				    "%s/%s.pem", outdir, serialstr);
				free(serialstr);
				if (k == -1 || k >= sizeof(buf[2])) {
					BIO_printf(bio_err,
					    "certificate file name too long\n");
					goto err;
				}
			} else {
				BIO_printf(bio_err,
				    "memory allocation failed\n");
				goto err;
			}
			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 */
			if (!rotate_serial(serialfile, "new", "old"))
				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 ((crlnumberfile = NCONF_get_string(conf, section,
		    ENV_CRLNUMBER)) != NULL)
			if ((crlnumber = load_serial(crlnumberfile, 0,
			    NULL)) == NULL) {
				BIO_printf(bio_err,
				    "error while loading CRL number\n");
				goto err;
			}
		if (!crldays && !crlhours && !crlsec) {
			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;
			ERR_clear_error();
		}
		if ((crldays == 0) && (crlhours == 0) && (crlsec == 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);
		if (!X509_time_adj_ex(tmptm, crldays,
		    crlhours * 60 * 60 + crlsec, NULL)) {
			BIO_puts(bio_err, "error setting CRL nextUpdate\n");
			goto err;
		}
		X509_CRL_set_nextUpdate(crl, tmptm);

		ASN1_TIME_free(tmptm);

		for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
			pp = sk_OPENSSL_PSTRING_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");

		/* Add any extensions asked for */

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

			if (crl_ext)
				if (!X509V3_EXT_CRL_add_nconf(conf, &crlctx,
				    crl_ext, crl))
					goto err;
			if (crlnumberfile != NULL) {
				tmpser = BN_to_ASN1_INTEGER(crlnumber, NULL);
				if (!tmpser)
					goto err;
				X509_CRL_add1_ext_i2d(crl, NID_crl_number,
				    tmpser, 0, 0);
				ASN1_INTEGER_free(tmpser);
				crl_v2 = 1;
				if (!BN_add_word(crlnumber, 1))
					goto err;
			}
		}
		if (crl_ext || crl_v2) {
			if (!X509_CRL_set_version(crl, 1))
				goto err;	/* version 2 CRL */
		}
		if (crlnumberfile != NULL)	/* we have a CRL number that
						 * need updating */
			if (!save_serial(crlnumberfile, "new", crlnumber, NULL))
				goto err;

		if (crlnumber) {
			BN_free(crlnumber);
			crlnumber = NULL;
		}
		if (!do_X509_CRL_sign(bio_err, crl, pkey, dgst, sigopts))
			goto err;

		PEM_write_bio_X509_CRL(Sout, crl);

		if (crlnumberfile != NULL)	/* Rename the crlnumber file */
			if (!rotate_serial(crlnumberfile, "new", "old"))
				goto err;

	}
	/*****************************************************************/
	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, 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:
	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);
	if (free_key && key)
		free(key);
	BN_free(serial);
	BN_free(crlnumber);
	free_index(db);
	if (sigopts)
		sk_OPENSSL_STRING_free(sigopts);
	EVP_PKEY_free(pkey);
	if (x509)
		X509_free(x509);
	X509_CRL_free(crl);
	NCONF_free(conf);
	NCONF_free(extconf);
	OBJ_cleanup();

	return (ret);
}

static void
lookup_fail(const char *name, const 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(OPENSSL_STRING) * sigopts,
    STACK_OF(CONF_VALUE) * policy, CA_DB * db, BIGNUM * serial, char *subj,
    unsigned long chtype, int multirdn, 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, sigopts, policy, db, serial,
	    subj, chtype, multirdn, 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(OPENSSL_STRING) * sigopts,
    STACK_OF(CONF_VALUE) * policy, CA_DB * db, BIGNUM * serial, char *subj,
    unsigned long chtype, int multirdn, 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)
{
	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,
	    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, sigopts, policy, db, serial,
	    subj, chtype, multirdn, 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(OPENSSL_STRING) * sigopts, STACK_OF(CONF_VALUE) * policy,
    CA_DB * db, BIGNUM * serial, char *subj, unsigned long chtype, int multirdn,
    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;
	const char *p;
	CONF_VALUE *cv;
	OPENSSL_STRING row[DB_NUMBER];
	OPENSSL_STRING *irow = NULL;
	OPENSSL_STRING *rrow = 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 = parse_name(subj, chtype, multirdn);

		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 email 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] = 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) {
		OPENSSL_STRING *crow = row;

		rrow = TXT_DB_get_by_index(db->db, DB_name, crow);
		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 (ci->serialNumber == NULL)
		goto err;
	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_TIME_set_string(X509_get_notBefore(ret), startdate);

	if (enddate == NULL)
		X509_time_adj_ex(X509_get_notAfter(ret), days, 0, NULL);
	else
		ASN1_TIME_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_TIME_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';
		if (!fgets(buf, sizeof(buf) - 1, stdin)) {
			BIO_printf(bio_err,
			    "CERTIFICATE WILL NOT BE CERTIFIED: I/O error\n");
			ok = 0;
			goto err;
		}
		if (!((buf[0] == 'y') || (buf[0] == 'Y'))) {
			BIO_printf(bio_err,
			    "CERTIFICATE WILL NOT BE CERTIFIED\n");
			ok = 0;
			goto err;
		}
	}
	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);

	if (!do_X509_sign(bio_err, ret, pkey, dgst, sigopts))
		goto err;

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

	tm = X509_get_notAfter(ret);
	row[DB_exp_date] = malloc(tm->length + 1);
	if (row[DB_type] == NULL || row[DB_exp_date] == NULL) {
		BIO_printf(bio_err, "Memory allocation failure\n");
		goto err;
	}

	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] = malloc(8);
	row[DB_name] = X509_NAME_oneline(X509_get_subject_name(ret), NULL, 0);

	if ((row[DB_type] == NULL) || (row[DB_file] == NULL) ||
	    (row[DB_name] == NULL)) {
		BIO_printf(bio_err, "Memory allocation failure\n");
		goto err;
	}
	(void) strlcpy(row[DB_file], "unknown", 8);
	row[DB_type][0] = 'V';
	row[DB_type][1] = '\0';

	if ((irow = reallocarray(NULL, DB_NUMBER + 1, sizeof(char *))) ==
	    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++)
		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 (!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(OPENSSL_STRING) * sigopts,
    STACK_OF(CONF_VALUE) * policy, CA_DB * db, BIGNUM * serial, char *subj,
    unsigned long chtype, int multirdn, 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_OF(CONF_VALUE) * 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;
	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 (!X509_NAME_add_entry_by_NID(n, nid, chtype,
		    (unsigned char *)buf, -1, -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, sigopts, policy, db, serial,
	    subj, chtype, multirdn, 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);

	return (ok);
}

static int
check_time_format(const char *str)
{
	return ASN1_TIME_set_string(NULL, str);
}

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)
		goto err;
	if (BN_is_zero(bn))
		row[DB_serial] = 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] = malloc(2);

		tm = X509_get_notAfter(x509);
		row[DB_exp_date] = malloc(tm->length + 1);
		if (row[DB_type] == NULL || row[DB_exp_date] == NULL) {
			BIO_printf(bio_err, "Memory allocation failure\n");
			goto err;
		}
		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] = malloc(8);

		/* row[DB_name] done already */

		if ((row[DB_type] == NULL) || (row[DB_file] == NULL)) {
			BIO_printf(bio_err, "Memory allocation failure\n");
			goto err;
		}
		(void) strlcpy(row[DB_file], "unknown", 8);
		row[DB_type][0] = 'V';
		row[DB_type][1] = '\0';

		if ((irow = reallocarray(NULL, 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_noconst(row, 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++)
		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] = 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((unsigned char) 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++)
		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 = 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_OPENSSL_PSTRING_num(db->db->data); i++) {
		rrow = sk_OPENSSL_PSTRING_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);
	free(a_tm_s);

	return (cnt);
}

static const 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 *other = NULL, *str;
	const char *reason = NULL;
	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);
	if (asprintf(&str, "%s%s%s%s%s", revtm->data,
	    reason ? "," : "", reason ? reason : "",
	    other ? "," : "", other ? other : "") == -1)
		str = NULL;
	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, const 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:
	free(tmp);

	ASN1_OBJECT_free(hold);
	ASN1_GENERALIZEDTIME_free(comp_time);
	ASN1_ENUMERATED_free(rtmp);
	ASN1_TIME_free(revDate);

	return ret;
}

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, const char *str)
{
	char *tmp = NULL;
	char *rtime_str, *reason_str = NULL, *arg_str = NULL, *p;
	int reason_code = -1;
	int ret = 0;
	unsigned int i;
	ASN1_OBJECT *hold = NULL;
	ASN1_GENERALIZEDTIME *comp_time = NULL;

	if ((tmp = strdup(str)) == NULL) {
		BIO_printf(bio_err, "malloc failed\n");
		goto err;
	}
	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:
	free(tmp);

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

	return ret;
}

static char *
bin2hex(unsigned char * data, size_t len)
{
	char *ret = NULL;
	char hex[] = "0123456789ABCDEF";
	int i;

	if ((ret = malloc(len * 2 + 1))) {
		for (i = 0; i < len; i++) {
			ret[i * 2 + 0] = hex[data[i] >> 4];
			ret[i * 2 + 1] = hex[data[i] & 0x0F];
		}
		ret[len * 2] = '\0';
	}
	return ret;
}