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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(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(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(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(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;
#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,"-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
                        BIO_printf(bio_err, "ERROR: on line %ld of config file '%s'\n",
                              errorline,extfile);
                  ret = 1;
                  goto err;
                  }

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

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

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

      if ((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);
                        OPENSSL_free(f);
                        }
                  }

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

            if ((cert_sk=sk_X509_new_null()) == NULL)
                  {
                  BIO_printf(bio_err,"Memory allocation failure\n");
                  goto err;
                  }
            if (spkac_file != NULL)
                  {
                  total++;
                  j=certify_spkac(&x,spkac_file,pkey,x509,dgst,attribs,db,
                        serial,subj,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,attribs,
                        db,serial,subj,chtype,multirdn,email_dn,startdate,enddate,days,batch,
                        extensions,conf,verbose, certopt, nameopt,
                        default_op, ext_copy, e);
                  if (j < 0) goto err;
                  if (j > 0)
                        {
                        total_done++;
                        BIO_printf(bio_err,"\n");
                        if (!BN_add_word(serial,1)) goto err;
                        if (!sk_X509_push(cert_sk,x))
                              {
                              BIO_printf(bio_err,"Memory allocation failure\n");
                              goto err;
                              }
                        }
                  }
            if (infile != NULL)
                  {
                  total++;
                  j=certify(&x,infile,pkey,x509p,dgst,attribs,db,
                        serial,subj,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,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 *n;

                  x=sk_X509_value(cert_sk,i);

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

                  strcpy(buf[2],outdir);

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

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

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

            if (sk_X509_num(cert_sk))
                  {
                  /* Rename the database and the serial file */
                  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;
                  }
            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 (!X509_CRL_sign(crl,pkey,dgst)) 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, e, infile);
                  if (revcert == NULL)
                        goto err;
                  j=do_revoke(revcert,db, rev_type, rev_arg);
                  if (j <= 0) goto err;
                  X509_free(revcert);

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

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

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

      if (cert_sk)
            sk_X509_pop_free(cert_sk,X509_free);

      if (ret) ERR_print_errors(bio_err);
      app_RAND_write_file(randfile, bio_err);
      if (free_key && key)
            OPENSSL_free(key);
      BN_free(serial);
      BN_free(crlnumber);
      free_index(db);
      EVP_PKEY_free(pkey);
      if (x509) X509_free(x509);
      X509_CRL_free(crl);
      NCONF_free(conf);
      NCONF_free(extconf);
      OBJ_cleanup();
      apps_shutdown();
      OPENSSL_EXIT(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(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,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(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, ENGINE *e)
      {
      X509 *req=NULL;
      X509_REQ *rreq=NULL;
      EVP_PKEY *pktmp=NULL;
      int ok= -1,i;

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

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

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

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

      ok=do_body(xret,pkey,x509,dgst,policy,db,serial,subj,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(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 e-mail is wanted in the subject */
      /* and add it later on because of the method extensions are added (altName) */
       
      if (email_dn)
            dn_subject = subject;
      else
            {
            X509_NAME_ENTRY *tmpne;
            /* Its best to dup the subject DN and then delete any email
             * addresses because this retains its structure.
             */
            if (!(dn_subject = X509_NAME_dup(subject)))
                  {
                  BIO_printf(bio_err,"Memory allocation failure\n");
                  goto err;
                  }
            while((i = X509_NAME_get_index_by_NID(dn_subject,
                              NID_pkcs9_emailAddress, -1)) >= 0)
                  {
                  tmpne = X509_NAME_get_entry(dn_subject, i);
                  X509_NAME_delete_entry(dn_subject, i);
                  X509_NAME_ENTRY_free(tmpne);
                  }
            }

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

      if (db->attributes.unique_subject)
            {
            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 (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 (!X509_sign(ret,pkey,dgst))
            goto err;

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

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

      row[DB_rev_date]=NULL;

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

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

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

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

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

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

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

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

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

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

static int certify_spkac(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
           const EVP_MD *dgst, STACK_OF(CONF_VALUE) *policy, CA_DB *db,
           BIGNUM *serial, char *subj,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;
      X509_NAME_ENTRY *ne=NULL;
      int ok= -1,i,j;
      long errline;
      int nid;

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

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

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

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

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

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

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

            if (!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,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);
      if (ne != NULL) X509_NAME_ENTRY_free(ne);

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

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

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

            row[DB_rev_date]=NULL;

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

            /* row[DB_name] done already */

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

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

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

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

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

            goto err;

            }
      else if (index_name_cmp_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++)
            {
            if (row[i] != NULL) 
                  OPENSSL_free(row[i]);
            }
      return(ok);
      }

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

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

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

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

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

      ok=1;

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

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

      a_tm = ASN1_UTCTIME_new();

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

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

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

      for (i = 0; i < sk_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);
      OPENSSL_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);

      i = revtm->length + 1;

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

      str = OPENSSL_malloc(i);

      if (!str) return NULL;

      BUF_strlcpy(str, (char *)revtm->data, i);
      if (reason)
            {
            BUF_strlcat(str, ",", i);
            BUF_strlcat(str, reason, i);
            }
      if (other)
            {
            BUF_strlcat(str, ",", i);
            BUF_strlcat(str, other, i);
            }
      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:

      if (tmp) OPENSSL_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;
      tmp = BUF_strdup(str);

      p = strchr(tmp, ',');

      rtime_str = tmp;

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

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

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

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

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

      ret = 1;

      err:

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

      return ret;
      }

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