/*

 * Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the Apache License 2.0 (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 "internal/cryptlib.h"

#include <openssl/buffer.h>

#include <openssl/bn.h>

#include <openssl/objects.h>

#include <openssl/x509.h>

#include <openssl/x509v3.h>

#ifndef OPENSSL_NO_STDIO

int X509_CRL_print_fp(FILE *fp, X509_CRL *x)

{

    BIO *b;

    int ret;

    if ((b = BIO_new(BIO_s_file())) == NULL) {

        ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);

        return 0;

    }

    BIO_set_fp(b, fp, BIO_NOCLOSE);

    ret = X509_CRL_print(b, x);

    BIO_free(b);

    return ret;

}

#endif

int X509_CRL_print(BIO *out, X509_CRL *x)

{

  return X509_CRL_print_ex(out, x, XN_FLAG_COMPAT);

}

int X509_CRL_print_ex(BIO *out, X509_CRL *x, unsigned long nmflag)

{

    STACK_OF(X509_REVOKED) *rev;

    X509_REVOKED *r;

    const X509_ALGOR *sig_alg;

    const ASN1_BIT_STRING *sig;

    long l;

    int i;

    char mlch = ' ';

    int nmindent = 0;

    if ((nmflag & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {

        mlch = '\n';

        nmindent = 8;

    }

    BIO_printf(out, "Certificate Revocation List (CRL):\n");

    l = X509_CRL_get_version(x);

    if (l >= X509_CRL_VERSION_1 && l <= X509_CRL_VERSION_2)

        BIO_printf(out, "%4sVersion %ld (0x%lx)\n", "", l + 1, (unsigned long)l);

    else

        BIO_printf(out, "%4sVersion unknown (%ld)\n", "", l);

    X509_CRL_get0_signature(x, &sig, &sig_alg);

    X509_signature_print(out, sig_alg, NULL);

    BIO_printf(out, "%4sIssuer:%c", "", mlch);

    X509_NAME_print_ex(out, X509_CRL_get_issuer(x), nmindent, nmflag);

    BIO_puts(out, "\n");

    BIO_printf(out, "%4sLast Update: ", "");

    ASN1_TIME_print(out, X509_CRL_get0_lastUpdate(x));

    BIO_printf(out, "\n%4sNext Update: ", "");

    if (X509_CRL_get0_nextUpdate(x))

        ASN1_TIME_print(out, X509_CRL_get0_nextUpdate(x));

    else

        BIO_printf(out, "NONE");

    BIO_printf(out, "\n");

    X509V3_extensions_print(out, "CRL extensions",

                            X509_CRL_get0_extensions(x), 0, 4);

    rev = X509_CRL_get_REVOKED(x);

    if (sk_X509_REVOKED_num(rev) > 0)

        BIO_printf(out, "Revoked Certificates:\n");

    else

        BIO_printf(out, "No Revoked Certificates.\n");

    for (i = 0; i < sk_X509_REVOKED_num(rev); i++) {

        r = sk_X509_REVOKED_value(rev, i);

        BIO_printf(out, "    Serial Number: ");

        i2a_ASN1_INTEGER(out, X509_REVOKED_get0_serialNumber(r));

        BIO_printf(out, "\n        Revocation Date: ");

        ASN1_TIME_print(out, X509_REVOKED_get0_revocationDate(r));

        BIO_printf(out, "\n");

        X509V3_extensions_print(out, "CRL entry extensions",

                                X509_REVOKED_get0_extensions(r), 0, 8);

    }

    X509_signature_print(out, sig_alg, sig);

    return 1;

}