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 <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>

#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) && !defined(OPENSSL_SYS_NETWARE)
#    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 STRING_MASK	"string_mask"
#define UTF8_IN			"utf8"

#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_CRLNUMBER		"crlnumber"
#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_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 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",
" -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",
#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(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,
			ENGINE *e);
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);
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 MAIN(int, char **);

int MAIN(int argc, char **argv)
	{
	ENGINE *e = NULL;
	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;
#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,"-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=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,"-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= atol(*(++argv));
			}
		else if (strcmp(*argv,"-crlhours") == 0)
			{
			if (--argc < 1) goto bad;
			crlhours= atol(*(++argv));
			}
		else if (strcmp(*argv,"-crlsec") == 0)
			{
			if (--argc < 1) goto bad;
			crlsec = 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)
		{
		const char **pp2;

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

	ERR_load_crypto_strings();

	/*****************************************************************/
	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();
		size_t len;

#ifdef OPENSSL_SYS_VMS
		len = strlen(s)+sizeof(CONFIG_FILE);
		tofree=OPENSSL_malloc(len);
		strcpy(tofree,s);
#else
		len = strlen(s)+sizeof(CONFIG_FILE)+1;
		tofree=OPENSSL_malloc(len);
		BUF_strlcpy(tofree,s,len);
		BUF_strlcat(tofree,"/",len);
#endif
		BUF_strlcat(tofree,CONFIG_FILE,len);
		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;

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

	/* 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);

	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)
		{
#ifdef RL_DEBUG
		BIO_printf(bio_err, "DEBUG: unique_subject = \"%s\"\n", p);
#endif
		db_attr.unique_subject = parse_yesno(p,1);
		}
	else
		ERR_clear_error();
#ifdef RL_DEBUG
	if (!p)
		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))
		{

		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.
	    */
#ifndef _WIN32
		if (access(outdir,R_OK|W_OK|X_OK) != 0)
#else
		if (_access(outdir,R_OK|W_OK|X_OK) != 0)
#endif
			{
			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;
			}
#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_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 */
#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",
			   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