/*

 * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the OpenSSL license (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#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

#  include <unistd.h>

# elif !defined(OPENSSL_SYS_VXWORKS) && !defined(OPENSSL_SYS_WINDOWS)

#  include <sys/file.h>

# endif

#endif

#include "apps.h"

#include "progs.h"

#ifndef W_OK

# define F_OK 0

# define W_OK 2

# define R_OK 4

#endif

#ifndef PATH_MAX

# define PATH_MAX 4096

#endif

#define BASE_SECTION            "ca"

#define ENV_DEFAULT_CA          "default_ca"

#define STRING_MASK             "string_mask"

#define UTF8_IN                 "utf8"

#define ENV_NEW_CERTS_DIR       "new_certs_dir"

#define ENV_CERTIFICATE         "certificate"

#define ENV_SERIAL              "serial"

#define ENV_RAND_SERIAL         "rand_serial"

#define ENV_CRLNUMBER           "crlnumber"

#define ENV_PRIVATE_KEY         "private_key"

#define ENV_DEFAULT_DAYS        "default_days"

#define ENV_DEFAULT_STARTDATE   "default_startdate"

#define ENV_DEFAULT_ENDDATE     "default_enddate"

#define ENV_DEFAULT_CRL_DAYS    "default_crl_days"

#define ENV_DEFAULT_CRL_HOURS   "default_crl_hours"

#define ENV_DEFAULT_MD          "default_md"

#define ENV_DEFAULT_EMAIL_DN    "email_in_dn"

#define ENV_PRESERVE            "preserve"

#define ENV_POLICY              "policy"

#define ENV_EXTENSIONS          "x509_extensions"

#define ENV_CRLEXT              "crl_extensions"

#define ENV_MSIE_HACK           "msie_hack"

#define ENV_NAMEOPT             "name_opt"

#define ENV_CERTOPT             "cert_opt"

#define ENV_EXTCOPY             "copy_extensions"

#define ENV_UNIQUE_SUBJECT      "unique_subject"

#define ENV_DATABASE            "database"

/* Additional revocation information types */

typedef enum {

    REV_VALID             = -1, /* Valid (not-revoked) status */

    REV_NONE              = 0, /* No additional information */

    REV_CRL_REASON        = 1, /* Value is CRL reason code */

    REV_HOLD              = 2, /* Value is hold instruction */

    REV_KEY_COMPROMISE    = 3, /* Value is cert key compromise time */

    REV_CA_COMPROMISE     = 4  /* Value is CA key compromise time */

} REVINFO_TYPE;

static char *lookup_conf(const CONF *conf, const char *group, const char *tag);

static int certify(X509 **xret, const char *infile, EVP_PKEY *pkey, X509 *x509,

                   const EVP_MD *dgst, STACK_OF(OPENSSL_STRING) *sigopts,

                   STACK_OF(CONF_VALUE) *policy, CA_DB *db,

                   BIGNUM *serial, const char *subj, unsigned long chtype,

                   int multirdn, int email_dn, const char *startdate,

                   const char *enddate,

                   long days, int batch, const 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, const char *infile, EVP_PKEY *pkey, X509 *x509,

                        const EVP_MD *dgst, STACK_OF(OPENSSL_STRING) *sigopts,

                        STACK_OF(CONF_VALUE) *policy, CA_DB *db,

                        BIGNUM *serial, const char *subj, unsigned long chtype,

                        int multirdn, int email_dn, const char *startdate,

                        const char *enddate, long days, int batch, const char *ext_sect,

                        CONF *conf, int verbose, unsigned long certopt,

                        unsigned long nameopt, int default_op, int ext_copy);

static int certify_spkac(X509 **xret, const char *infile, EVP_PKEY *pkey,

                         X509 *x509, const EVP_MD *dgst,

                         STACK_OF(OPENSSL_STRING) *sigopts,

                         STACK_OF(CONF_VALUE) *policy, CA_DB *db,

                         BIGNUM *serial, const char *subj, unsigned long chtype,

                         int multirdn, int email_dn, const char *startdate,

                         const char *enddate, long days, const char *ext_sect, CONF *conf,

                         int verbose, unsigned long certopt,

                         unsigned long nameopt, int default_op, int ext_copy);

static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509,

                   const EVP_MD *dgst, STACK_OF(OPENSSL_STRING) *sigopts,

                   STACK_OF(CONF_VALUE) *policy, CA_DB *db, BIGNUM *serial,

                   const char *subj, unsigned long chtype, int multirdn,

                   int email_dn, const char *startdate, const char *enddate, long days,

                   int batch, int verbose, X509_REQ *req, const char *ext_sect,

                   CONF *conf, unsigned long certopt, unsigned long nameopt,

                   int default_op, int ext_copy, int selfsign);

static int get_certificate_status(const char *ser_status, CA_DB *db);

static int do_updatedb(CA_DB *db);

static int check_time_format(const char *str);

static int do_revoke(X509 *x509, CA_DB *db, REVINFO_TYPE rev_type,

                     const char *extval);

static char *make_revocation_str(REVINFO_TYPE rev_type, const char *rev_arg);

static int make_revoked(X509_REVOKED *rev, const char *str);

static int old_entry_print(const ASN1_OBJECT *obj, const ASN1_STRING *str);

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

static CONF *extconf = NULL;

static int preserve = 0;

static int msie_hack = 0;

typedef enum OPTION_choice {

    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,

    OPT_ENGINE, OPT_VERBOSE, OPT_CONFIG, OPT_NAME, OPT_SUBJ, OPT_UTF8,

    OPT_CREATE_SERIAL, OPT_MULTIVALUE_RDN, OPT_STARTDATE, OPT_ENDDATE,

    OPT_DAYS, OPT_MD, OPT_POLICY, OPT_KEYFILE, OPT_KEYFORM, OPT_PASSIN,

    OPT_KEY, OPT_CERT, OPT_SELFSIGN, OPT_IN, OPT_OUT, OPT_OUTDIR,

    OPT_SIGOPT, OPT_NOTEXT, OPT_BATCH, OPT_PRESERVEDN, OPT_NOEMAILDN,

    OPT_GENCRL, OPT_MSIE_HACK, OPT_CRLDAYS, OPT_CRLHOURS, OPT_CRLSEC,

    OPT_INFILES, OPT_SS_CERT, OPT_SPKAC, OPT_REVOKE, OPT_VALID,

    OPT_EXTENSIONS, OPT_EXTFILE, OPT_STATUS, OPT_UPDATEDB, OPT_CRLEXTS,

    OPT_RAND_SERIAL,

    OPT_R_ENUM,

    /* Do not change the order here; see related case statements below */

    OPT_CRL_REASON, OPT_CRL_HOLD, OPT_CRL_COMPROMISE, OPT_CRL_CA_COMPROMISE

} OPTION_CHOICE;

const OPTIONS ca_options[] = {

    {"help", OPT_HELP, '-', "Display this summary"},

    {"verbose", OPT_VERBOSE, '-', "Verbose output during processing"},

    {"config", OPT_CONFIG, 's', "A config file"},

    {"name", OPT_NAME, 's', "The particular CA definition to use"},

    {"subj", OPT_SUBJ, 's', "Use arg instead of request's subject"},

    {"utf8", OPT_UTF8, '-', "Input characters are UTF8 (default ASCII)"},

    {"create_serial", OPT_CREATE_SERIAL, '-',

     "If reading serial fails, create a new random serial"},

    {"rand_serial", OPT_RAND_SERIAL, '-',

     "Always create a random serial; do not store it"},

    {"multivalue-rdn", OPT_MULTIVALUE_RDN, '-',

     "Enable support for multivalued RDNs"},

    {"startdate", OPT_STARTDATE, 's', "Cert notBefore, YYMMDDHHMMSSZ"},

    {"enddate", OPT_ENDDATE, 's',

     "YYMMDDHHMMSSZ cert notAfter (overrides -days)"},

    {"days", OPT_DAYS, 'p', "Number of days to certify the cert for"},

    {"md", OPT_MD, 's', "md to use; see openssl help for list"},

    {"policy", OPT_POLICY, 's', "The CA 'policy' to support"},

    {"keyfile", OPT_KEYFILE, 's', "Private key"},

    {"keyform", OPT_KEYFORM, 'f', "Private key file format (PEM or ENGINE)"},

    {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},

    {"key", OPT_KEY, 's', "Key to decode the private key if it is encrypted"},

    {"cert", OPT_CERT, '<', "The CA cert"},

    {"selfsign", OPT_SELFSIGN, '-',

     "Sign a cert with the key associated with it"},

    {"in", OPT_IN, '<', "The input PEM encoded cert request(s)"},

    {"out", OPT_OUT, '>', "Where to put the output file(s)"},

    {"outdir", OPT_OUTDIR, '/', "Where to put output cert"},

    {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},

    {"notext", OPT_NOTEXT, '-', "Do not print the generated certificate"},

    {"batch", OPT_BATCH, '-', "Don't ask questions"},

    {"preserveDN", OPT_PRESERVEDN, '-', "Don't re-order the DN"},

    {"noemailDN", OPT_NOEMAILDN, '-', "Don't add the EMAIL field to the DN"},

    {"gencrl", OPT_GENCRL, '-', "Generate a new CRL"},

    {"msie_hack", OPT_MSIE_HACK, '-',

     "msie modifications to handle all those universal strings"},

    {"crldays", OPT_CRLDAYS, 'p', "Days until the next CRL is due"},

    {"crlhours", OPT_CRLHOURS, 'p', "Hours until the next CRL is due"},

    {"crlsec", OPT_CRLSEC, 'p', "Seconds until the next CRL is due"},

    {"infiles", OPT_INFILES, '-', "The last argument, requests to process"},

    {"ss_cert", OPT_SS_CERT, '<', "File contains a self signed cert to sign"},

    {"spkac", OPT_SPKAC, '<',

     "File contains DN and signed public key and challenge"},

    {"revoke", OPT_REVOKE, '<', "Revoke a cert (given in file)"},

    {"valid", OPT_VALID, 's',

     "Add a Valid(not-revoked) DB entry about a cert (given in file)"},

    {"extensions", OPT_EXTENSIONS, 's',

     "Extension section (override value in config file)"},

    {"extfile", OPT_EXTFILE, '<',

     "Configuration file with X509v3 extensions to add"},

    {"status", OPT_STATUS, 's', "Shows cert status given the serial number"},

    {"updatedb", OPT_UPDATEDB, '-', "Updates db for expired cert"},

    {"crlexts", OPT_CRLEXTS, 's',

     "CRL extension section (override value in config file)"},

    {"crl_reason", OPT_CRL_REASON, 's', "revocation reason"},

    {"crl_hold", OPT_CRL_HOLD, 's',

     "the hold instruction, an OID. Sets revocation reason to certificateHold"},

    {"crl_compromise", OPT_CRL_COMPROMISE, 's',

     "sets compromise time to val and the revocation reason to keyCompromise"},

    {"crl_CA_compromise", OPT_CRL_CA_COMPROMISE, 's',

     "sets compromise time to val and the revocation reason to CACompromise"},

    OPT_R_OPTIONS,

#ifndef OPENSSL_NO_ENGINE

    {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},

#endif

    {NULL}

};

int ca_main(int argc, char **argv)

{

    CONF *conf = NULL;

    ENGINE *e = NULL;

    BIGNUM *crlnumber = NULL, *serial = NULL;

    EVP_PKEY *pkey = NULL;

    BIO *in = NULL, *out = NULL, *Sout = NULL;

    ASN1_INTEGER *tmpser;

    ASN1_TIME *tmptm;

    CA_DB *db = NULL;

    DB_ATTR db_attr;

    STACK_OF(CONF_VALUE) *attribs = NULL;

    STACK_OF(OPENSSL_STRING) *sigopts = NULL;

    STACK_OF(X509) *cert_sk = NULL;

    X509_CRL *crl = NULL;

    const EVP_MD *dgst = NULL;

    char *configfile = default_config_file, *section = NULL;

    char *md = NULL, *policy = NULL, *keyfile = NULL;

    char *certfile = NULL, *crl_ext = NULL, *crlnumberfile = NULL, *key = NULL;

    const char *infile = NULL, *spkac_file = NULL, *ss_cert_file = NULL;

    const char *extensions = NULL, *extfile = NULL, *passinarg = NULL;

    char *outdir = NULL, *outfile = NULL, *rev_arg = NULL, *ser_status = NULL;

    const char *serialfile = NULL, *subj = NULL;

    char *prog, *startdate = NULL, *enddate = NULL;

    char *dbfile = NULL, *f;

    char new_cert[PATH_MAX];

    char tmp[10 + 1] = "\0";

    char *const *pp;

    const char *p;

    size_t outdirlen = 0;

    int create_ser = 0, free_key = 0, total = 0, total_done = 0;

    int batch = 0, default_op = 1, doupdatedb = 0, ext_copy = EXT_COPY_NONE;

    int keyformat = FORMAT_PEM, multirdn = 0, notext = 0, output_der = 0;

    int ret = 1, email_dn = 1, req = 0, verbose = 0, gencrl = 0, dorevoke = 0;

    int rand_ser = 0, i, j, selfsign = 0, def_nid, def_ret;

    long crldays = 0, crlhours = 0, crlsec = 0, days = 0;

    unsigned long chtype = MBSTRING_ASC, certopt = 0;

    X509 *x509 = NULL, *x509p = NULL, *x = NULL;

    REVINFO_TYPE rev_type = REV_NONE;

    X509_REVOKED *r = NULL;

    OPTION_CHOICE o;

    prog = opt_init(argc, argv, ca_options);

    while ((o = opt_next()) != OPT_EOF) {

        switch (o) {

        case OPT_EOF:

        case OPT_ERR:

opthelp:

            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);

            goto end;

        case OPT_HELP:

            opt_help(ca_options);

            ret = 0;

            goto end;

        case OPT_IN:

            req = 1;

            infile = opt_arg();

            break;

        case OPT_OUT:

            outfile = opt_arg();

            break;

        case OPT_VERBOSE:

            verbose = 1;

            break;

        case OPT_CONFIG:

            configfile = opt_arg();

            break;

        case OPT_NAME:

            section = opt_arg();

            break;

        case OPT_SUBJ:

            subj = opt_arg();

            /* preserve=1; */

            break;

        case OPT_UTF8:

            chtype = MBSTRING_UTF8;

            break;

        case OPT_RAND_SERIAL:

            rand_ser = 1;

            break;

        case OPT_CREATE_SERIAL:

            create_ser = 1;

            break;

        case OPT_MULTIVALUE_RDN:

            multirdn = 1;

            break;

        case OPT_STARTDATE:

            startdate = opt_arg();

            break;

        case OPT_ENDDATE:

            enddate = opt_arg();

            break;

        case OPT_DAYS:

            days = atoi(opt_arg());

            break;

        case OPT_MD:

            md = opt_arg();

            break;

        case OPT_POLICY:

            policy = opt_arg();

            break;

        case OPT_KEYFILE:

            keyfile = opt_arg();

            break;

        case OPT_KEYFORM:

            if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyformat))

                goto opthelp;

            break;

        case OPT_PASSIN:

            passinarg = opt_arg();

            break;

        case OPT_R_CASES:

            if (!opt_rand(o))

                goto end;

            break;

        case OPT_KEY:

            key = opt_arg();

            break;

        case OPT_CERT:

            certfile = opt_arg();

            break;

        case OPT_SELFSIGN:

            selfsign = 1;

            break;

        case OPT_OUTDIR:

            outdir = opt_arg();

            break;

        case OPT_SIGOPT:

            if (sigopts == NULL)

                sigopts = sk_OPENSSL_STRING_new_null();

            if (sigopts == NULL || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))

                goto end;

            break;

        case OPT_NOTEXT:

            notext = 1;

            break;

        case OPT_BATCH:

            batch = 1;

            break;

        case OPT_PRESERVEDN:

            preserve = 1;

            break;

        case OPT_NOEMAILDN:

            email_dn = 0;

            break;

        case OPT_GENCRL:

            gencrl = 1;

            break;

        case OPT_MSIE_HACK:

            msie_hack = 1;

            break;

        case OPT_CRLDAYS:

            crldays = atol(opt_arg());

            break;

        case OPT_CRLHOURS:

            crlhours = atol(opt_arg());

            break;

        case OPT_CRLSEC:

            crlsec = atol(opt_arg());

            break;

        case OPT_INFILES:

            req = 1;

            goto end_of_options;

        case OPT_SS_CERT:

            ss_cert_file = opt_arg();

            req = 1;

            break;

        case OPT_SPKAC:

            spkac_file = opt_arg();

            req = 1;

            break;

        case OPT_REVOKE:

            infile = opt_arg();

            dorevoke = 1;

            break;

        case OPT_VALID:

            infile = opt_arg();

            dorevoke = 2;

            break;

        case OPT_EXTENSIONS:

            extensions = opt_arg();

            break;

        case OPT_EXTFILE:

            extfile = opt_arg();

            break;

        case OPT_STATUS:

            ser_status = opt_arg();

            break;

        case OPT_UPDATEDB:

            doupdatedb = 1;

            break;

        case OPT_CRLEXTS:

            crl_ext = opt_arg();

            break;

        case OPT_CRL_REASON:   /* := REV_CRL_REASON */

        case OPT_CRL_HOLD:

        case OPT_CRL_COMPROMISE:

        case OPT_CRL_CA_COMPROMISE:

            rev_arg = opt_arg();

            rev_type = (o - OPT_CRL_REASON) + REV_CRL_REASON;

            break;

        case OPT_ENGINE:

            e = setup_engine(opt_arg(), 0);

            break;

        }

    }

end_of_options:

    argc = opt_num_rest();

    argv = opt_rest();

    BIO_printf(bio_err, "Using configuration from %s\n", configfile);

    if ((conf = app_load_config(configfile)) == NULL)

        goto end;

    if (configfile != default_config_file && !app_load_modules(conf))

        goto end;

    /* Lets get the config section we are using */

    if (section == NULL

        && (section = lookup_conf(conf, BASE_SECTION, ENV_DEFAULT_CA)) == NULL)

        goto end;

    p = NCONF_get_string(conf, NULL, "oid_file");

    if (p == NULL)

        ERR_clear_error();

    if (p != NULL) {

        BIO *oid_bio = BIO_new_file(p, "r");

        if (oid_bio == NULL) {

            ERR_clear_error();

        } else {

            OBJ_create_objects(oid_bio);

            BIO_free(oid_bio);

        }

    }

    if (!add_oid_section(conf)) {

        ERR_print_errors(bio_err);

        goto end;

    }

    app_RAND_load_conf(conf, BASE_SECTION);

    f = NCONF_get_string(conf, section, STRING_MASK);

    if (f == NULL)

        ERR_clear_error();

    if (f != NULL && !ASN1_STRING_set_default_mask_asc(f)) {

        BIO_printf(bio_err, "Invalid global string mask setting %s\n", f);

        goto end;

    }

    if (chtype != MBSTRING_UTF8) {

        f = NCONF_get_string(conf, section, UTF8_IN);

        if (f == NULL)

            ERR_clear_error();

        else if (strcmp(f, "yes") == 0)

            chtype = MBSTRING_UTF8;

    }

    db_attr.unique_subject = 1;

    p = NCONF_get_string(conf, section, ENV_UNIQUE_SUBJECT);

    if (p != NULL)

        db_attr.unique_subject = parse_yesno(p, 1);

    else

        ERR_clear_error();

    /*****************************************************************/

    /* report status of cert with serial number given on command line */

    if (ser_status) {

        dbfile = lookup_conf(conf, section, ENV_DATABASE);

        if (dbfile == NULL)

            goto end;

        db = load_index(dbfile, &db_attr);

        if (db == NULL)

            goto end;

        if (index_index(db) <= 0)

            goto end;

        if (get_certificate_status(ser_status, db) != 1)

            BIO_printf(bio_err, "Error verifying serial %s!\n", ser_status);

        goto end;

    }

    /*****************************************************************/

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

    if (keyfile == NULL

        && (keyfile = lookup_conf(conf, section, ENV_PRIVATE_KEY)) == NULL)

        goto end;

    if (key == NULL) {

        free_key = 1;

        if (!app_passwd(passinarg, NULL, &key, NULL)) {

            BIO_printf(bio_err, "Error getting password\n");

            goto end;

        }

    }

    pkey = load_key(keyfile, keyformat, 0, key, e, "CA private key");

    if (key != NULL)

        OPENSSL_cleanse(key, strlen(key));

    if (pkey == NULL)

        /* load_key() has already printed an appropriate message */

        goto end;

    /*****************************************************************/

    /* we need a certificate */

    if (!selfsign || spkac_file || ss_cert_file || gencrl) {

        if (certfile == NULL

            && (certfile = lookup_conf(conf, section, ENV_CERTIFICATE)) == NULL)

            goto end;

        x509 = load_cert(certfile, FORMAT_PEM, "CA certificate");

        if (x509 == NULL)

            goto end;

        if (!X509_check_private_key(x509, pkey)) {

            BIO_printf(bio_err,

                       "CA certificate and CA private key do not match\n");

            goto end;

        }

    }

    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 != NULL) {

        if (!set_nameopt(f)) {

            BIO_printf(bio_err, "Invalid name options: \"%s\"\n", f);

            goto end;

        }

        default_op = 0;

    }

    f = NCONF_get_string(conf, section, ENV_CERTOPT);

    if (f != NULL) {

        if (!set_cert_ex(&certopt, f)) {

            BIO_printf(bio_err, "Invalid certificate options: \"%s\"\n", f);

            goto end;

        }

        default_op = 0;

    } else {

        ERR_clear_error();

    }

    f = NCONF_get_string(conf, section, ENV_EXTCOPY);

    if (f != NULL) {

        if (!set_ext_copy(&ext_copy, f)) {

            BIO_printf(bio_err, "Invalid extension copy option: \"%s\"\n", f);

            goto end;

        }

    } else {

        ERR_clear_error();

    }

    /*****************************************************************/

    /* lookup where to write new certificates */

    if ((outdir == NULL) && (req)) {

        outdir = NCONF_get_string(conf, section, ENV_NEW_CERTS_DIR);

        if (outdir == NULL) {

            BIO_printf(bio_err,

                       "there needs to be defined a directory for new certificate to be placed in\n");

            goto end;

        }

#ifndef OPENSSL_SYS_VMS

        /*

         * outdir is a directory spec, but access() for VMS demands a

         * filename.  We could use the DEC C routine to convert the

         * directory syntax to Unix, and give that to app_isdir,

         * but for now the fopen will catch the error if it's not a

         * directory

         */

        if (app_isdir(outdir) <= 0) {

            BIO_printf(bio_err, "%s: %s is not a directory\n", prog, outdir);

            perror(outdir);

            goto end;

        }

#endif

    }

    /*****************************************************************/

    /* we need to load the database file */

    dbfile = lookup_conf(conf, section, ENV_DATABASE);

    if (dbfile == NULL)

        goto end;

    db = load_index(dbfile, &db_attr);

    if (db == NULL)

        goto end;

    /* 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 end;

        }

        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 end;

        }

        if (!check_time_format((char *)pp[DB_exp_date])) {

            BIO_printf(bio_err, "entry %d: invalid expiry date\n", i + 1);

            goto end;

        }

        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 end;

        }

        for ( ; *p; p++) {

            if (!isxdigit(_UC(*p))) {

                BIO_printf(bio_err,

                           "entry %d: bad char 0%o '%c' in serial number\n",

                           i + 1, *p, *p);

                goto end;

            }

        }

    }

    if (verbose) {

        TXT_DB_write(bio_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) <= 0)

        goto end;

    /*****************************************************************/

    /* 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 end;

        } 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 end;

            if (!rotate_index(dbfile, "new", "old"))

                goto end;

            if (verbose)

                BIO_printf(bio_err, "Done. %d entries marked as expired\n", i);

        }

    }

    /*****************************************************************/

    /* Read extensions config file                                   */

    if (extfile) {

        if ((extconf = app_load_config(extfile)) == NULL) {

            ret = 1;

            goto end;

        }

        if (verbose)

            BIO_printf(bio_err, "Successfully loaded extensions file %s\n",

                       extfile);

        /* We can have sections in the ext file */

        if (extensions == NULL) {

            extensions = NCONF_get_string(extconf, "default", "extensions");

            if (extensions == NULL)

                extensions = "default";

        }

    }

    /*****************************************************************/

    if (req || gencrl) {

        if (spkac_file != NULL && outfile != NULL) {

            output_der = 1;

            batch = 1;

        }

    }

    def_ret = EVP_PKEY_get_default_digest_nid(pkey, &def_nid);

    /*

     * EVP_PKEY_get_default_digest_nid() returns 2 if the digest is

     * mandatory for this algorithm.

     */

    if (def_ret == 2 && def_nid == NID_undef) {

        /* The signing algorithm requires there to be no digest */

        dgst = EVP_md_null();

    } else if (md == NULL

               && (md = lookup_conf(conf, section, ENV_DEFAULT_MD)) == NULL) {

        goto end;

    } else {

        if (strcmp(md, "default") == 0) {

            if (def_ret <= 0) {

                BIO_puts(bio_err, "no default digest\n");

                goto end;

            }

            md = (char *)OBJ_nid2sn(def_nid);

        }

        if (!opt_md(md, &dgst))

            goto end;

    }

    if (req) {

        if (email_dn == 1) {

            char *tmp_email_dn = NULL;

            tmp_email_dn = NCONF_get_string(conf, section, ENV_DEFAULT_EMAIL_DN);

            if (tmp_email_dn != NULL && strcmp(tmp_email_dn, "no") == 0)

                email_dn = 0;

        }

        if (verbose)

            BIO_printf(bio_err, "message digest is %s\n",

                       OBJ_nid2ln(EVP_MD_type(dgst)));

        if (policy == NULL

            && (policy = lookup_conf(conf, section, ENV_POLICY)) == NULL)

            goto end;

        if (verbose)

            BIO_printf(bio_err, "policy is %s\n", policy);

        if (NCONF_get_string(conf, section, ENV_RAND_SERIAL) != NULL) {

            rand_ser = 1;

        } else {

            serialfile = lookup_conf(conf, section, ENV_SERIAL);

            if (serialfile == NULL)

                goto end;

        }

        if (extconf == NULL) {

            /*

             * no '-extfile' option, so we look for extensions in the main

             * configuration file

             */

            if (extensions == NULL) {

                extensions = NCONF_get_string(conf, section, ENV_EXTENSIONS);

                if (extensions == NULL)

                    ERR_clear_error();

            }

            if (extensions != NULL) {

                /* 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 end;

                }

            }

        }

        if (startdate == NULL) {

            startdate = NCONF_get_string(conf, section, ENV_DEFAULT_STARTDATE);

            if (startdate == NULL)

                ERR_clear_error();

        }

        if (startdate != NULL && !ASN1_TIME_set_string_X509(NULL, startdate)) {

            BIO_printf(bio_err,

                       "start date is invalid, it should be YYMMDDHHMMSSZ or YYYYMMDDHHMMSSZ\n");

            goto end;

        }

        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 != NULL && !ASN1_TIME_set_string_X509(NULL, enddate)) {

            BIO_printf(bio_err,

                       "end date is invalid, it should be YYMMDDHHMMSSZ or YYYYMMDDHHMMSSZ\n");

            goto end;

        }

        if (days == 0) {

            if (!NCONF_get_number(conf, section, ENV_DEFAULT_DAYS, &days))

                days = 0;

        }

        if (enddate == NULL && days == 0) {

            BIO_printf(bio_err, "cannot lookup how many days to certify for\n");

            goto end;

        }

        if (rand_ser) {

            if ((serial = BN_new()) == NULL || !rand_serial(serial, NULL)) {

                BIO_printf(bio_err, "error generating serial number\n");

                goto end;

            }

        } else {

            if ((serial = load_serial(serialfile, create_ser, NULL)) == NULL) {

                BIO_printf(bio_err, "error while loading serial number\n");

                goto end;

            }

            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 end;

                    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 end;

        }

        if ((cert_sk = sk_X509_new_null()) == NULL) {

            BIO_printf(bio_err, "Memory allocation failure\n");

            goto end;

        }

        if (spkac_file != NULL) {

            total++;

            j = certify_spkac(&x, spkac_file, pkey, x509, dgst, sigopts,

                              attribs, db, serial, subj, chtype, multirdn,

                              email_dn, startdate, enddate, days, extensions,

                              conf, verbose, certopt, get_nameopt(), default_op,

                              ext_copy);

            if (j < 0)

                goto end;

            if (j > 0) {

                total_done++;