コード例 #1
0
ファイル: crl.c プロジェクト: Castaglia/openssl
int crl_main(int argc, char **argv)
{
    X509_CRL *x = NULL;
    BIO *out = NULL;
    X509_STORE *store = NULL;
    X509_STORE_CTX *ctx = NULL;
    X509_LOOKUP *lookup = NULL;
    X509_OBJECT *xobj = NULL;
    EVP_PKEY *pkey;
    const EVP_MD *digest = EVP_sha1();
    unsigned long nmflag = 0;
    char nmflag_set = 0;
    char *infile = NULL, *outfile = NULL, *crldiff = NULL, *keyfile = NULL;
    const char *CAfile = NULL, *CApath = NULL, *prog;
    OPTION_CHOICE o;
    int hash = 0, issuer = 0, lastupdate = 0, nextupdate = 0, noout = 0;
    int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyformat = FORMAT_PEM;
    int ret = 1, num = 0, badsig = 0, fingerprint = 0, crlnumber = 0;
    int text = 0, do_ver = 0, noCAfile = 0, noCApath = 0;
    int i;
#ifndef OPENSSL_NO_MD5
    int hash_old = 0;
#endif

    prog = opt_init(argc, argv, crl_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(crl_options);
            ret = 0;
            goto end;
        case OPT_INFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
                goto opthelp;
            break;
        case OPT_IN:
            infile = opt_arg();
            break;
        case OPT_OUTFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
                goto opthelp;
            break;
        case OPT_OUT:
            outfile = opt_arg();
            break;
        case OPT_KEYFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &keyformat))
                goto opthelp;
            break;
        case OPT_KEY:
            keyfile = opt_arg();
            break;
        case OPT_GENDELTA:
            crldiff = opt_arg();
            break;
        case OPT_CAPATH:
            CApath = opt_arg();
            do_ver = 1;
            break;
        case OPT_CAFILE:
            CAfile = opt_arg();
            do_ver = 1;
            break;
        case OPT_NOCAPATH:
            noCApath =  1;
            break;
        case OPT_NOCAFILE:
            noCAfile =  1;
            break;
        case OPT_HASH_OLD:
#ifndef OPENSSL_NO_MD5
            hash_old = ++num;
#endif
            break;
        case OPT_VERIFY:
            do_ver = 1;
            break;
        case OPT_TEXT:
            text = 1;
            break;
        case OPT_HASH:
            hash = ++num;
            break;
        case OPT_ISSUER:
            issuer = ++num;
            break;
        case OPT_LASTUPDATE:
            lastupdate = ++num;
            break;
        case OPT_NEXTUPDATE:
            nextupdate = ++num;
            break;
        case OPT_NOOUT:
            noout = ++num;
            break;
        case OPT_FINGERPRINT:
            fingerprint = ++num;
            break;
        case OPT_CRLNUMBER:
            crlnumber = ++num;
            break;
        case OPT_BADSIG:
            badsig = 1;
            break;
        case OPT_NAMEOPT:
            nmflag_set = 1;
            if (!set_name_ex(&nmflag, opt_arg()))
                goto opthelp;
            break;
        case OPT_MD:
            if (!opt_md(opt_unknown(), &digest))
                goto opthelp;
        }
    }
    argc = opt_num_rest();
    if (argc != 0)
        goto opthelp;

    if (!nmflag_set)
        nmflag = XN_FLAG_ONELINE;

    x = load_crl(infile, informat);
    if (x == NULL)
        goto end;

    if (do_ver) {
        if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL)
            goto end;
        lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
        if (lookup == NULL)
            goto end;
        ctx = X509_STORE_CTX_new();
        if (ctx == NULL || !X509_STORE_CTX_init(ctx, store, NULL, NULL)) {
            BIO_printf(bio_err, "Error initialising X509 store\n");
            goto end;
        }

        xobj = X509_STORE_CTX_get_obj_by_subject(ctx, X509_LU_X509,
                                                 X509_CRL_get_issuer(x));
        if (xobj == NULL) {
            BIO_printf(bio_err, "Error getting CRL issuer certificate\n");
            goto end;
        }
        pkey = X509_get_pubkey(X509_OBJECT_get0_X509(xobj));
        X509_OBJECT_free(xobj);
        if (!pkey) {
            BIO_printf(bio_err, "Error getting CRL issuer public key\n");
            goto end;
        }
        i = X509_CRL_verify(x, pkey);
        EVP_PKEY_free(pkey);
        if (i < 0)
            goto end;
        if (i == 0)
            BIO_printf(bio_err, "verify failure\n");
        else
            BIO_printf(bio_err, "verify OK\n");
    }

    if (crldiff) {
        X509_CRL *newcrl, *delta;
        if (!keyfile) {
            BIO_puts(bio_err, "Missing CRL signing key\n");
            goto end;
        }
        newcrl = load_crl(crldiff, informat);
        if (!newcrl)
            goto end;
        pkey = load_key(keyfile, keyformat, 0, NULL, NULL, "CRL signing key");
        if (!pkey) {
            X509_CRL_free(newcrl);
            goto end;
        }
        delta = X509_CRL_diff(x, newcrl, pkey, digest, 0);
        X509_CRL_free(newcrl);
        EVP_PKEY_free(pkey);
        if (delta) {
            X509_CRL_free(x);
            x = delta;
        } else {
            BIO_puts(bio_err, "Error creating delta CRL\n");
            goto end;
        }
    }

    if (badsig) {
        const ASN1_BIT_STRING *sig;

        X509_CRL_get0_signature(x, &sig, NULL);
        corrupt_signature(sig);
    }

    if (num) {
        for (i = 1; i <= num; i++) {
            if (issuer == i) {
                print_name(bio_out, "issuer=", X509_CRL_get_issuer(x),
                           nmflag);
            }
            if (crlnumber == i) {
                ASN1_INTEGER *crlnum;
                crlnum = X509_CRL_get_ext_d2i(x, NID_crl_number, NULL, NULL);
                BIO_printf(bio_out, "crlNumber=");
                if (crlnum) {
                    i2a_ASN1_INTEGER(bio_out, crlnum);
                    ASN1_INTEGER_free(crlnum);
                } else
                    BIO_puts(bio_out, "<NONE>");
                BIO_printf(bio_out, "\n");
            }
            if (hash == i) {
                BIO_printf(bio_out, "%08lx\n",
                           X509_NAME_hash(X509_CRL_get_issuer(x)));
            }
#ifndef OPENSSL_NO_MD5
            if (hash_old == i) {
                BIO_printf(bio_out, "%08lx\n",
                           X509_NAME_hash_old(X509_CRL_get_issuer(x)));
            }
#endif
            if (lastupdate == i) {
                BIO_printf(bio_out, "lastUpdate=");
                ASN1_TIME_print(bio_out, X509_CRL_get0_lastUpdate(x));
                BIO_printf(bio_out, "\n");
            }
            if (nextupdate == i) {
                BIO_printf(bio_out, "nextUpdate=");
                if (X509_CRL_get0_nextUpdate(x))
                    ASN1_TIME_print(bio_out, X509_CRL_get0_nextUpdate(x));
                else
                    BIO_printf(bio_out, "NONE");
                BIO_printf(bio_out, "\n");
            }
            if (fingerprint == i) {
                int j;
                unsigned int n;
                unsigned char md[EVP_MAX_MD_SIZE];

                if (!X509_CRL_digest(x, digest, md, &n)) {
                    BIO_printf(bio_err, "out of memory\n");
                    goto end;
                }
                BIO_printf(bio_out, "%s Fingerprint=",
                           OBJ_nid2sn(EVP_MD_type(digest)));
                for (j = 0; j < (int)n; j++) {
                    BIO_printf(bio_out, "%02X%c", md[j], (j + 1 == (int)n)
                               ? '\n' : ':');
                }
            }
        }
    }
    out = bio_open_default(outfile, 'w', outformat);
    if (out == NULL)
        goto end;

    if (text)
        X509_CRL_print(out, x);

    if (noout) {
        ret = 0;
        goto end;
    }

    if (outformat == FORMAT_ASN1)
        i = (int)i2d_X509_CRL_bio(out, x);
    else
        i = PEM_write_bio_X509_CRL(out, x);
    if (!i) {
        BIO_printf(bio_err, "unable to write CRL\n");
        goto end;
    }
    ret = 0;

 end:
    if (ret != 0)
        ERR_print_errors(bio_err);
    BIO_free_all(out);
    X509_CRL_free(x);
    X509_STORE_CTX_free(ctx);
    X509_STORE_free(store);
    return (ret);
}
コード例 #2
0
int x509_main(int argc, char **argv)
{
    ASN1_INTEGER *sno = NULL;
    ASN1_OBJECT *objtmp = NULL;
    BIO *out = NULL;
    CONF *extconf = NULL;
    EVP_PKEY *Upkey = NULL, *CApkey = NULL, *fkey = NULL;
    STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
    STACK_OF(OPENSSL_STRING) *sigopts = NULL;
    X509 *x = NULL, *xca = NULL;
    X509_REQ *req = NULL, *rq = NULL;
    X509_STORE *ctx = NULL;
    const EVP_MD *digest = NULL;
    char *CAkeyfile = NULL, *CAserial = NULL, *fkeyfile = NULL, *alias = NULL;
    char *checkhost = NULL, *checkemail = NULL, *checkip = NULL;
    char *extsect = NULL, *extfile = NULL, *passin = NULL, *passinarg = NULL;
    char *infile = NULL, *outfile = NULL, *keyfile = NULL, *CAfile = NULL;
    char buf[256], *prog;
    int x509req = 0, days = DEF_DAYS, modulus = 0, pubkey = 0, pprint = 0;
    int C = 0, CAformat = FORMAT_PEM, CAkeyformat = FORMAT_PEM;
    int fingerprint = 0, reqfile = 0, need_rand = 0, checkend = 0;
    int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyformat = FORMAT_PEM;
    int next_serial = 0, subject_hash = 0, issuer_hash = 0, ocspid = 0;
    int noout = 0, sign_flag = 0, CA_flag = 0, CA_createserial = 0, email = 0;
    int ocsp_uri = 0, trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0;
    int ret = 1, i, num = 0, badsig = 0, clrext = 0, nocert = 0;
    int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0;
    int enddate = 0;
    time_t checkoffset = 0;
    unsigned long nmflag = 0, certflag = 0;
    char nmflag_set = 0;
    OPTION_CHOICE o;
    ENGINE *e = NULL;
#ifndef OPENSSL_NO_MD5
    int subject_hash_old = 0, issuer_hash_old = 0;
#endif

    ctx = X509_STORE_new();
    if (ctx == NULL)
        goto end;
    X509_STORE_set_verify_cb(ctx, callb);

    prog = opt_init(argc, argv, x509_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(x509_options);
            ret = 0;
            goto end;
        case OPT_INFORM:
            if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
                goto opthelp;
            break;
        case OPT_IN:
            infile = opt_arg();
            break;
        case OPT_OUTFORM:
            if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
                goto opthelp;
            break;
        case OPT_KEYFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &keyformat))
                goto opthelp;
            break;
        case OPT_CAFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &CAformat))
                goto opthelp;
            break;
        case OPT_CAKEYFORM:
            if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAkeyformat))
                goto opthelp;
            break;
        case OPT_OUT:
            outfile = opt_arg();
            break;
        case OPT_REQ:
            reqfile = need_rand = 1;
            break;

        case OPT_SIGOPT:
            if (!sigopts)
                sigopts = sk_OPENSSL_STRING_new_null();
            if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
                goto opthelp;
            break;
        case OPT_DAYS:
            days = atoi(opt_arg());
            break;
        case OPT_PASSIN:
            passinarg = opt_arg();
            break;
        case OPT_EXTFILE:
            extfile = opt_arg();
            break;
        case OPT_EXTENSIONS:
            extsect = opt_arg();
            break;
        case OPT_SIGNKEY:
            keyfile = opt_arg();
            sign_flag = ++num;
            need_rand = 1;
            break;
        case OPT_CA:
            CAfile = opt_arg();
            CA_flag = ++num;
            need_rand = 1;
            break;
        case OPT_CAKEY:
            CAkeyfile = opt_arg();
            break;
        case OPT_CASERIAL:
            CAserial = opt_arg();
            break;
        case OPT_SET_SERIAL:
            if (sno != NULL) {
                BIO_printf(bio_err, "Serial number supplied twice\n");
                goto opthelp;
            }
            if ((sno = s2i_ASN1_INTEGER(NULL, opt_arg())) == NULL)
                goto opthelp;
            break;
        case OPT_FORCE_PUBKEY:
            fkeyfile = opt_arg();
            break;
        case OPT_ADDTRUST:
            if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
                BIO_printf(bio_err,
                           "%s: Invalid trust object value %s\n",
                           prog, opt_arg());
                goto opthelp;
            }
            if (trust == NULL && (trust = sk_ASN1_OBJECT_new_null()) == NULL)
                goto end;
            sk_ASN1_OBJECT_push(trust, objtmp);
            objtmp = NULL;
            trustout = 1;
            break;
        case OPT_ADDREJECT:
            if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
                BIO_printf(bio_err,
                           "%s: Invalid reject object value %s\n",
                           prog, opt_arg());
                goto opthelp;
            }
            if (reject == NULL
                && (reject = sk_ASN1_OBJECT_new_null()) == NULL)
                goto end;
            sk_ASN1_OBJECT_push(reject, objtmp);
            objtmp = NULL;
            trustout = 1;
            break;
        case OPT_SETALIAS:
            alias = opt_arg();
            trustout = 1;
            break;
        case OPT_CERTOPT:
            if (!set_cert_ex(&certflag, opt_arg()))
                goto opthelp;
            break;
        case OPT_NAMEOPT:
            nmflag_set = 1;
            if (!set_name_ex(&nmflag, opt_arg()))
                goto opthelp;
            break;
        case OPT_ENGINE:
            e = setup_engine(opt_arg(), 0);
            break;
        case OPT_C:
            C = ++num;
            break;
        case OPT_EMAIL:
            email = ++num;
            break;
        case OPT_OCSP_URI:
            ocsp_uri = ++num;
            break;
        case OPT_SERIAL:
            serial = ++num;
            break;
        case OPT_NEXT_SERIAL:
            next_serial = ++num;
            break;
        case OPT_MODULUS:
            modulus = ++num;
            break;
        case OPT_PUBKEY:
            pubkey = ++num;
            break;
        case OPT_X509TOREQ:
            x509req = ++num;
            break;
        case OPT_TEXT:
            text = ++num;
            break;
        case OPT_SUBJECT:
            subject = ++num;
            break;
        case OPT_ISSUER:
            issuer = ++num;
            break;
        case OPT_FINGERPRINT:
            fingerprint = ++num;
            break;
        case OPT_HASH:
            subject_hash = ++num;
            break;
        case OPT_ISSUER_HASH:
            issuer_hash = ++num;
            break;
        case OPT_PURPOSE:
            pprint = ++num;
            break;
        case OPT_STARTDATE:
            startdate = ++num;
            break;
        case OPT_ENDDATE:
            enddate = ++num;
            break;
        case OPT_NOOUT:
            noout = ++num;
            break;
        case OPT_NOCERT:
            nocert = 1;
            break;
        case OPT_TRUSTOUT:
            trustout = 1;
            break;
        case OPT_CLRTRUST:
            clrtrust = ++num;
            break;
        case OPT_CLRREJECT:
            clrreject = ++num;
            break;
        case OPT_ALIAS:
            aliasout = ++num;
            break;
        case OPT_CACREATESERIAL:
            CA_createserial = ++num;
            break;
        case OPT_CLREXT:
            clrext = 1;
            break;
        case OPT_OCSPID:
            ocspid = ++num;
            break;
        case OPT_BADSIG:
            badsig = 1;
            break;
#ifndef OPENSSL_NO_MD5
        case OPT_SUBJECT_HASH_OLD:
            subject_hash_old = ++num;
            break;
        case OPT_ISSUER_HASH_OLD:
            issuer_hash_old = ++num;
            break;
#else
        case OPT_SUBJECT_HASH_OLD:
        case OPT_ISSUER_HASH_OLD:
            break;
#endif
        case OPT_DATES:
            startdate = ++num;
            enddate = ++num;
            break;
        case OPT_CHECKEND:
            checkend = 1;
            {
                intmax_t temp = 0;
                if (!opt_imax(opt_arg(), &temp))
                    goto opthelp;
                checkoffset = (time_t)temp;
                if ((intmax_t)checkoffset != temp) {
                    BIO_printf(bio_err, "%s: checkend time out of range %s\n",
                               prog, opt_arg());
                    goto opthelp;
                }
            }
            break;
        case OPT_CHECKHOST:
            checkhost = opt_arg();
            break;
        case OPT_CHECKEMAIL:
            checkemail = opt_arg();
            break;
        case OPT_CHECKIP:
            checkip = opt_arg();
            break;
        case OPT_MD:
            if (!opt_md(opt_unknown(), &digest))
                goto opthelp;
        }
    }
    argc = opt_num_rest();
    argv = opt_rest();
    if (argc != 0) {
        BIO_printf(bio_err, "%s: Unknown parameter %s\n", prog, argv[0]);
        goto opthelp;
    }

    if (!nmflag_set)
        nmflag = XN_FLAG_ONELINE;

    out = bio_open_default(outfile, 'w', outformat);
    if (out == NULL)
        goto end;

    if (need_rand)
        app_RAND_load_file(NULL, 0);

    if (!app_passwd(passinarg, NULL, &passin, NULL)) {
        BIO_printf(bio_err, "Error getting password\n");
        goto end;
    }

    if (!X509_STORE_set_default_paths(ctx)) {
        ERR_print_errors(bio_err);
        goto end;
    }

    if (fkeyfile) {
        fkey = load_pubkey(fkeyfile, keyformat, 0, NULL, e, "Forced key");
        if (fkey == NULL)
            goto end;
    }

    if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM)) {
        CAkeyfile = CAfile;
    } else if ((CA_flag) && (CAkeyfile == NULL)) {
        BIO_printf(bio_err,
                   "need to specify a CAkey if using the CA command\n");
        goto end;
    }

    if (extfile) {
        X509V3_CTX ctx2;
        if ((extconf = app_load_config(extfile)) == NULL)
            goto end;
        if (!extsect) {
            extsect = NCONF_get_string(extconf, "default", "extensions");
            if (!extsect) {
                ERR_clear_error();
                extsect = "default";
            }
        }
        X509V3_set_ctx_test(&ctx2);
        X509V3_set_nconf(&ctx2, extconf);
        if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {
            BIO_printf(bio_err,
                       "Error Loading extension section %s\n", extsect);
            ERR_print_errors(bio_err);
            goto end;
        }
    }

    if (reqfile) {
        EVP_PKEY *pkey;
        BIO *in;

        if (!sign_flag && !CA_flag) {
            BIO_printf(bio_err, "We need a private key to sign with\n");
            goto end;
        }
        in = bio_open_default(infile, 'r', informat);
        if (in == NULL)
            goto end;
        req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
        BIO_free(in);

        if (req == NULL) {
            ERR_print_errors(bio_err);
            goto end;
        }

        if ((pkey = X509_REQ_get0_pubkey(req)) == NULL) {
            BIO_printf(bio_err, "error unpacking public key\n");
            goto end;
        }
        i = X509_REQ_verify(req, pkey);
        if (i < 0) {
            BIO_printf(bio_err, "Signature verification error\n");
            ERR_print_errors(bio_err);
            goto end;
        }
        if (i == 0) {
            BIO_printf(bio_err,
                       "Signature did not match the certificate request\n");
            goto end;
        } else
            BIO_printf(bio_err, "Signature ok\n");

        print_name(bio_err, "subject=", X509_REQ_get_subject_name(req),
                   nmflag);

        if ((x = X509_new()) == NULL)
            goto end;

        if (sno == NULL) {
            sno = ASN1_INTEGER_new();
            if (sno == NULL || !rand_serial(NULL, sno))
                goto end;
            if (!X509_set_serialNumber(x, sno))
                goto end;
            ASN1_INTEGER_free(sno);
            sno = NULL;
        } else if (!X509_set_serialNumber(x, sno))
            goto end;

        if (!X509_set_issuer_name(x, X509_REQ_get_subject_name(req)))
            goto end;
        if (!X509_set_subject_name(x, X509_REQ_get_subject_name(req)))
            goto end;
        if (!set_cert_times(x, NULL, NULL, days))
            goto end;

        if (fkey)
            X509_set_pubkey(x, fkey);
        else {
            pkey = X509_REQ_get0_pubkey(req);
            X509_set_pubkey(x, pkey);
        }
    } else
        x = load_cert(infile, informat, "Certificate");

    if (x == NULL)
        goto end;
    if (CA_flag) {
        xca = load_cert(CAfile, CAformat, "CA Certificate");
        if (xca == NULL)
            goto end;
    }

    if (!noout || text || next_serial) {
        OBJ_create("2.99999.3", "SET.ex3", "SET x509v3 extension 3");

    }

    if (alias)
        X509_alias_set1(x, (unsigned char *)alias, -1);

    if (clrtrust)
        X509_trust_clear(x);
    if (clrreject)
        X509_reject_clear(x);

    if (trust) {
        for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
            objtmp = sk_ASN1_OBJECT_value(trust, i);
            X509_add1_trust_object(x, objtmp);
        }
        objtmp = NULL;
    }

    if (reject) {
        for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
            objtmp = sk_ASN1_OBJECT_value(reject, i);
            X509_add1_reject_object(x, objtmp);
        }
        objtmp = NULL;
    }

    if (badsig) {
        const ASN1_BIT_STRING *signature;

        X509_get0_signature(&signature, NULL, x);
        corrupt_signature(signature);
    }

    if (num) {
        for (i = 1; i <= num; i++) {
            if (issuer == i) {
                print_name(out, "issuer=", X509_get_issuer_name(x), nmflag);
            } else if (subject == i) {
                print_name(out, "subject=",
                           X509_get_subject_name(x), nmflag);
            } else if (serial == i) {
                BIO_printf(out, "serial=");
                i2a_ASN1_INTEGER(out, X509_get_serialNumber(x));
                BIO_printf(out, "\n");
            } else if (next_serial == i) {
                ASN1_INTEGER *ser = X509_get_serialNumber(x);
                BIGNUM *bnser = ASN1_INTEGER_to_BN(ser, NULL);

                if (!bnser)
                    goto end;
                if (!BN_add_word(bnser, 1))
                    goto end;
                ser = BN_to_ASN1_INTEGER(bnser, NULL);
                if (!ser)
                    goto end;
                BN_free(bnser);
                i2a_ASN1_INTEGER(out, ser);
                ASN1_INTEGER_free(ser);
                BIO_puts(out, "\n");
            } else if ((email == i) || (ocsp_uri == i)) {
                int j;
                STACK_OF(OPENSSL_STRING) *emlst;
                if (email == i)
                    emlst = X509_get1_email(x);
                else
                    emlst = X509_get1_ocsp(x);
                for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
                    BIO_printf(out, "%s\n",
                               sk_OPENSSL_STRING_value(emlst, j));
                X509_email_free(emlst);
            } else if (aliasout == i) {
                unsigned char *alstr;
                alstr = X509_alias_get0(x, NULL);
                if (alstr)
                    BIO_printf(out, "%s\n", alstr);
                else
                    BIO_puts(out, "<No Alias>\n");
            } else if (subject_hash == i) {
                BIO_printf(out, "%08lx\n", X509_subject_name_hash(x));
            }
#ifndef OPENSSL_NO_MD5
            else if (subject_hash_old == i) {
                BIO_printf(out, "%08lx\n", X509_subject_name_hash_old(x));
            }
#endif
            else if (issuer_hash == i) {
                BIO_printf(out, "%08lx\n", X509_issuer_name_hash(x));
            }
#ifndef OPENSSL_NO_MD5
            else if (issuer_hash_old == i) {
                BIO_printf(out, "%08lx\n", X509_issuer_name_hash_old(x));
            }
#endif
            else if (pprint == i) {
                X509_PURPOSE *ptmp;
                int j;
                BIO_printf(out, "Certificate purposes:\n");
                for (j = 0; j < X509_PURPOSE_get_count(); j++) {
                    ptmp = X509_PURPOSE_get0(j);
                    purpose_print(out, x, ptmp);
                }
            } else if (modulus == i) {
                EVP_PKEY *pkey;

                pkey = X509_get0_pubkey(x);
                if (pkey == NULL) {
                    BIO_printf(bio_err, "Modulus=unavailable\n");
                    ERR_print_errors(bio_err);
                    goto end;
                }
                BIO_printf(out, "Modulus=");
#ifndef OPENSSL_NO_RSA
                if (EVP_PKEY_id(pkey) == EVP_PKEY_RSA) {
                    const BIGNUM *n;
                    RSA_get0_key(EVP_PKEY_get0_RSA(pkey), &n, NULL, NULL);
                    BN_print(out, n);
                } else
#endif
#ifndef OPENSSL_NO_DSA
                if (EVP_PKEY_id(pkey) == EVP_PKEY_DSA) {
                    const BIGNUM *dsapub = NULL;
                    DSA_get0_key(EVP_PKEY_get0_DSA(pkey), &dsapub, NULL);
                    BN_print(out, dsapub);
                } else
#endif
                {
                    BIO_printf(out, "Wrong Algorithm type");
                }
                BIO_printf(out, "\n");
            } else if (pubkey == i) {
                EVP_PKEY *pkey;

                pkey = X509_get0_pubkey(x);
                if (pkey == NULL) {
                    BIO_printf(bio_err, "Error getting public key\n");
                    ERR_print_errors(bio_err);
                    goto end;
                }
                PEM_write_bio_PUBKEY(out, pkey);
            } else if (C == i) {
                unsigned char *d;
                char *m;
                int len;

                X509_NAME_oneline(X509_get_subject_name(x), buf, sizeof buf);
                BIO_printf(out, "/*\n"
                                " * Subject: %s\n", buf);

                X509_NAME_oneline(X509_get_issuer_name(x), buf, sizeof buf);
                BIO_printf(out, " * Issuer:  %s\n"
                                " */\n", buf);

                len = i2d_X509(x, NULL);
                m = app_malloc(len, "x509 name buffer");
                d = (unsigned char *)m;
                len = i2d_X509_NAME(X509_get_subject_name(x), &d);
                print_array(out, "the_subject_name", len, (unsigned char *)m);
                d = (unsigned char *)m;
                len = i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x), &d);
                print_array(out, "the_public_key", len, (unsigned char *)m);
                d = (unsigned char *)m;
                len = i2d_X509(x, &d);
                print_array(out, "the_certificate", len, (unsigned char *)m);
                OPENSSL_free(m);
            } else if (text == i) {
                X509_print_ex(out, x, nmflag, certflag);
            } else if (startdate == i) {
                BIO_puts(out, "notBefore=");
                ASN1_TIME_print(out, X509_get0_notBefore(x));
                BIO_puts(out, "\n");
            } else if (enddate == i) {
                BIO_puts(out, "notAfter=");
                ASN1_TIME_print(out, X509_get0_notAfter(x));
                BIO_puts(out, "\n");
            } else if (fingerprint == i) {
                int j;
                unsigned int n;
                unsigned char md[EVP_MAX_MD_SIZE];
                const EVP_MD *fdig = digest;

                if (!fdig)
                    fdig = EVP_sha1();

                if (!X509_digest(x, fdig, md, &n)) {
                    BIO_printf(bio_err, "out of memory\n");
                    goto end;
                }
                BIO_printf(out, "%s Fingerprint=",
                           OBJ_nid2sn(EVP_MD_type(fdig)));
                for (j = 0; j < (int)n; j++) {
                    BIO_printf(out, "%02X%c", md[j], (j + 1 == (int)n)
                               ? '\n' : ':');
                }
            }

            /* should be in the library */
            else if ((sign_flag == i) && (x509req == 0)) {
                BIO_printf(bio_err, "Getting Private key\n");
                if (Upkey == NULL) {
                    Upkey = load_key(keyfile, keyformat, 0,
                                     passin, e, "Private key");
                    if (Upkey == NULL)
                        goto end;
                }

                assert(need_rand);
                if (!sign(x, Upkey, days, clrext, digest, extconf, extsect))
                    goto end;
            } else if (CA_flag == i) {
                BIO_printf(bio_err, "Getting CA Private Key\n");
                if (CAkeyfile != NULL) {
                    CApkey = load_key(CAkeyfile, CAkeyformat,
                                      0, passin, e, "CA Private Key");
                    if (CApkey == NULL)
                        goto end;
                }

                assert(need_rand);
                if (!x509_certify(ctx, CAfile, digest, x, xca,
                                  CApkey, sigopts,
                                  CAserial, CA_createserial, days, clrext,
                                  extconf, extsect, sno, reqfile))
                    goto end;
            } else if (x509req == i) {
                EVP_PKEY *pk;

                BIO_printf(bio_err, "Getting request Private Key\n");
                if (keyfile == NULL) {
                    BIO_printf(bio_err, "no request key file specified\n");
                    goto end;
                } else {
                    pk = load_key(keyfile, keyformat, 0,
                                  passin, e, "request key");
                    if (pk == NULL)
                        goto end;
                }

                BIO_printf(bio_err, "Generating certificate request\n");

                rq = X509_to_X509_REQ(x, pk, digest);
                EVP_PKEY_free(pk);
                if (rq == NULL) {
                    ERR_print_errors(bio_err);
                    goto end;
                }
                if (!noout) {
                    X509_REQ_print(out, rq);
                    PEM_write_bio_X509_REQ(out, rq);
                }
                noout = 1;
            } else if (ocspid == i) {
                X509_ocspid_print(out, x);
            }
        }
    }

    if (checkend) {
        time_t tcheck = time(NULL) + checkoffset;

        if (X509_cmp_time(X509_get0_notAfter(x), &tcheck) < 0) {
            BIO_printf(out, "Certificate will expire\n");
            ret = 1;
        } else {
            BIO_printf(out, "Certificate will not expire\n");
            ret = 0;
        }
        goto end;
    }

    print_cert_checks(out, x, checkhost, checkemail, checkip);

    if (noout || nocert) {
        ret = 0;
        goto end;
    }

    if (outformat == FORMAT_ASN1)
        i = i2d_X509_bio(out, x);
    else if (outformat == FORMAT_PEM) {
        if (trustout)
            i = PEM_write_bio_X509_AUX(out, x);
        else
            i = PEM_write_bio_X509(out, x);
    } else {
        BIO_printf(bio_err, "bad output format specified for outfile\n");
        goto end;
    }
    if (!i) {
        BIO_printf(bio_err, "unable to write certificate\n");
        ERR_print_errors(bio_err);
        goto end;
    }
    ret = 0;
 end:
    if (need_rand)
        app_RAND_write_file(NULL);
    NCONF_free(extconf);
    BIO_free_all(out);
    X509_STORE_free(ctx);
    X509_REQ_free(req);
    X509_free(x);
    X509_free(xca);
    EVP_PKEY_free(Upkey);
    EVP_PKEY_free(CApkey);
    EVP_PKEY_free(fkey);
    sk_OPENSSL_STRING_free(sigopts);
    X509_REQ_free(rq);
    ASN1_INTEGER_free(sno);
    sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
    sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
    ASN1_OBJECT_free(objtmp);
    release_engine(e);
    OPENSSL_free(passin);
    return (ret);
}