/* $OpenBSD: x_crl.c,v 1.53 2026/06/23 08:28:06 tb Exp $ */
/* 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.]
 */

#include <stdio.h>

#include <openssl/opensslconf.h>

#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>

#include "asn1_local.h"
#include "err_local.h"
#include "x509_local.h"

static void setup_idp(X509_CRL *crl, ISSUING_DIST_POINT *idp);

static const ASN1_TEMPLATE X509_REVOKED_seq_tt[] = {
        {
                .offset = offsetof(X509_REVOKED, serialNumber),
                .field_name = "serialNumber",
                .item = &ASN1_INTEGER_it,
        },
        {
                .offset = offsetof(X509_REVOKED, revocationDate),
                .field_name = "revocationDate",
                .item = &ASN1_TIME_it,
        },
        {
                .flags = ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
                .offset = offsetof(X509_REVOKED, extensions),
                .field_name = "extensions",
                .item = &X509_EXTENSION_it,
        },
};

const ASN1_ITEM X509_REVOKED_it = {
        .itype = ASN1_ITYPE_SEQUENCE,
        .utype = V_ASN1_SEQUENCE,
        .templates = X509_REVOKED_seq_tt,
        .tcount = sizeof(X509_REVOKED_seq_tt) / sizeof(ASN1_TEMPLATE),
        .size = sizeof(X509_REVOKED),
        .sname = "X509_REVOKED",
};
LCRYPTO_ALIAS(X509_REVOKED_it);

static int
X509_REVOKED_cmp(const X509_REVOKED * const *a, const X509_REVOKED * const *b)
{
        return ASN1_INTEGER_cmp((*a)->serialNumber, (*b)->serialNumber);
}

/*
 * The X509_CRL_INFO structure needs a bit of customisation.
 * Since we cache the original encoding, the signature won't be affected by
 * reordering of the revoked field.
 */
static int
crl_info_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
{
        X509_CRL_INFO *a = (X509_CRL_INFO *)*pval;

        if (!a || !a->revoked)
                return 1;
        switch (operation) {
                /* Just set cmp function here. We don't sort because that
                 * would affect the output of X509_CRL_print().
                 */
        case ASN1_OP_D2I_POST:
                (void)sk_X509_REVOKED_set_cmp_func(a->revoked, X509_REVOKED_cmp);
                break;
        }
        return 1;
}


static const ASN1_AUX X509_CRL_INFO_aux = {
        .flags = ASN1_AFLG_ENCODING,
        .asn1_cb = crl_info_cb,
        .enc_offset = offsetof(X509_CRL_INFO, enc),
};
static const ASN1_TEMPLATE X509_CRL_INFO_seq_tt[] = {
        {
                .flags = ASN1_TFLG_OPTIONAL,
                .offset = offsetof(X509_CRL_INFO, version),
                .field_name = "version",
                .item = &ASN1_INTEGER_it,
        },
        {
                .offset = offsetof(X509_CRL_INFO, sig_alg),
                .field_name = "sig_alg",
                .item = &X509_ALGOR_it,
        },
        {
                .offset = offsetof(X509_CRL_INFO, issuer),
                .field_name = "issuer",
                .item = &X509_NAME_it,
        },
        {
                .offset = offsetof(X509_CRL_INFO, lastUpdate),
                .field_name = "lastUpdate",
                .item = &ASN1_TIME_it,
        },
        {
                .flags = ASN1_TFLG_OPTIONAL,
                .offset = offsetof(X509_CRL_INFO, nextUpdate),
                .field_name = "nextUpdate",
                .item = &ASN1_TIME_it,
        },
        {
                .flags = ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
                .offset = offsetof(X509_CRL_INFO, revoked),
                .field_name = "revoked",
                .item = &X509_REVOKED_it,
        },
        {
                .flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
                .offset = offsetof(X509_CRL_INFO, extensions),
                .field_name = "extensions",
                .item = &X509_EXTENSION_it,
        },
};

const ASN1_ITEM X509_CRL_INFO_it = {
        .itype = ASN1_ITYPE_SEQUENCE,
        .utype = V_ASN1_SEQUENCE,
        .templates = X509_CRL_INFO_seq_tt,
        .tcount = sizeof(X509_CRL_INFO_seq_tt) / sizeof(ASN1_TEMPLATE),
        .funcs = &X509_CRL_INFO_aux,
        .size = sizeof(X509_CRL_INFO),
        .sname = "X509_CRL_INFO",
};
LCRYPTO_ALIAS(X509_CRL_INFO_it);

/* Set CRL entry issuer according to CRL certificate issuer extension.
 * Check for unhandled critical CRL entry extensions.
 */

static int
crl_set_issuers(X509_CRL *crl)
{
        int i, j;
        GENERAL_NAMES *gens, *gtmp;
        STACK_OF(X509_REVOKED) *revoked;

        revoked = X509_CRL_get_REVOKED(crl);

        gens = NULL;
        for (i = 0; i < sk_X509_REVOKED_num(revoked); i++) {
                X509_REVOKED *rev = sk_X509_REVOKED_value(revoked, i);
                STACK_OF(X509_EXTENSION) *exts;
                ASN1_ENUMERATED *reason;
                X509_EXTENSION *ext;
                gtmp = X509_REVOKED_get_ext_d2i(rev, NID_certificate_issuer,
                    &j, NULL);
                if (!gtmp && (j != -1)) {
                        crl->flags |= EXFLAG_INVALID;
                        return 1;
                }

                if (gtmp) {
                        gens = gtmp;
                        if (!crl->issuers) {
                                crl->issuers = sk_GENERAL_NAMES_new_null();
                                if (!crl->issuers)
                                        return 0;
                        }
                        if (!sk_GENERAL_NAMES_push(crl->issuers, gtmp))
                                return 0;
                }
                rev->issuer = gens;

                reason = X509_REVOKED_get_ext_d2i(rev, NID_crl_reason,
                    &j, NULL);
                if (!reason && (j != -1)) {
                        crl->flags |= EXFLAG_INVALID;
                        return 1;
                }

                if (reason) {
                        rev->reason = ASN1_ENUMERATED_get(reason);
                        ASN1_ENUMERATED_free(reason);
                } else
                        rev->reason = CRL_REASON_NONE;

                /* Check for critical CRL entry extensions */

                exts = rev->extensions;

                for (j = 0; j < sk_X509_EXTENSION_num(exts); j++) {
                        ext = sk_X509_EXTENSION_value(exts, j);
                        if (ext->critical > 0) {
                                if (OBJ_obj2nid(ext->object) ==
                                    NID_certificate_issuer)
                                        continue;
                                crl->flags |= EXFLAG_CRITICAL;
                                break;
                        }
                }
        }

        return 1;
}

/* The X509_CRL structure needs a bit of customisation. Cache some extensions
 * and hash of the whole CRL.
 */
static int
crl_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
{
        X509_CRL *crl = (X509_CRL *)*pval;
        STACK_OF(X509_EXTENSION) *exts;
        X509_EXTENSION *ext;
        int idx;
        int rc = 1;

        switch (operation) {
        case ASN1_OP_NEW_POST:
                crl->idp = NULL;
                crl->akid = NULL;
                crl->flags = 0;
                crl->idp_flags = 0;
                crl->idp_reasons = CRLDP_ALL_REASONS;
                crl->issuers = NULL;
                crl->crl_number = NULL;
                crl->base_crl_number = NULL;
                break;

        case ASN1_OP_D2I_POST:
                /*
                 * XXX - This sets EXFLAG_INVALID but there's no code checking
                 * it. The verifier treats CRLs with EXFLAG_INVALID as valid.
                 * Also fix all the missing and incomplete error checks here.
                 */
                X509_CRL_digest(crl, X509_CRL_HASH_EVP, crl->hash, NULL);
                crl->idp = X509_CRL_get_ext_d2i(crl,
                    NID_issuing_distribution_point, NULL, NULL);
                if (crl->idp)
                        setup_idp(crl, crl->idp);

                crl->akid = X509_CRL_get_ext_d2i(crl,
                    NID_authority_key_identifier, NULL, NULL);

                crl->crl_number = X509_CRL_get_ext_d2i(crl,
                    NID_crl_number, NULL, NULL);

                crl->base_crl_number = X509_CRL_get_ext_d2i(crl,
                    NID_delta_crl, NULL, NULL);
                /* Delta CRLs must have CRL number */
                if (crl->base_crl_number && !crl->crl_number)
                        crl->flags |= EXFLAG_INVALID;

                /* See if we have any unhandled critical CRL extensions and
                 * indicate this in a flag. We only currently handle IDP,
                 * AKID and deltas, so anything else critical sets the flag.
                 *
                 * This code accesses the X509_CRL structure directly:
                 * applications shouldn't do this.
                 */

                exts = crl->crl->extensions;

                for (idx = 0; idx < sk_X509_EXTENSION_num(exts); idx++) {
                        int nid;
                        ext = sk_X509_EXTENSION_value(exts, idx);
                        nid = OBJ_obj2nid(ext->object);
                        if (nid == NID_freshest_crl)
                                crl->flags |= EXFLAG_FRESHEST;
                        if (ext->critical > 0) {
                                /* We handle IDP, AKID and deltas */
                                if (nid == NID_issuing_distribution_point ||
                                    nid == NID_authority_key_identifier ||
                                    nid == NID_delta_crl)
                                        continue;
                                crl->flags |= EXFLAG_CRITICAL;
                                break;
                        }
                }

                if (!crl_set_issuers(crl))
                        return 0;
                break;

        case ASN1_OP_FREE_POST:
                AUTHORITY_KEYID_free(crl->akid);
                ISSUING_DIST_POINT_free(crl->idp);
                ASN1_INTEGER_free(crl->crl_number);
                ASN1_INTEGER_free(crl->base_crl_number);
                sk_GENERAL_NAMES_pop_free(crl->issuers, GENERAL_NAMES_free);
                break;
        }
        return rc;
}

/* Convert IDP into a more convenient form */

static void
setup_idp(X509_CRL *crl, ISSUING_DIST_POINT *idp)
{
        int idp_only = 0;

        /* Set various flags according to IDP */
        crl->idp_flags |= IDP_PRESENT;
        if (idp->onlyuser > 0) {
                idp_only++;
                crl->idp_flags |= IDP_ONLYUSER;
        }
        if (idp->onlyCA > 0) {
                idp_only++;
                crl->idp_flags |= IDP_ONLYCA;
        }
        if (idp->onlyattr > 0) {
                idp_only++;
                crl->idp_flags |= IDP_ONLYATTR;
        }

        if (idp_only > 1)
                crl->idp_flags |= IDP_INVALID;

        if (idp->indirectCRL > 0)
                crl->idp_flags |= IDP_INDIRECT;

        if (idp->onlysomereasons) {
                crl->idp_flags |= IDP_REASONS;
                if (idp->onlysomereasons->length > 0)
                        crl->idp_reasons = idp->onlysomereasons->data[0];
                if (idp->onlysomereasons->length > 1)
                        crl->idp_reasons |=
                            (idp->onlysomereasons->data[1] << 8);
                crl->idp_reasons &= CRLDP_ALL_REASONS;
        }

        DIST_POINT_set_dpname(idp->distpoint, X509_CRL_get_issuer(crl));
}

static const ASN1_AUX X509_CRL_aux = {
        .app_data = NULL,
        .flags = ASN1_AFLG_REFCOUNT,
        .ref_offset = offsetof(X509_CRL, references),
        .ref_lock = CRYPTO_LOCK_X509_CRL,
        .asn1_cb = crl_cb,
};
static const ASN1_TEMPLATE X509_CRL_seq_tt[] = {
        {
                .offset = offsetof(X509_CRL, crl),
                .field_name = "crl",
                .item = &X509_CRL_INFO_it,
        },
        {
                .offset = offsetof(X509_CRL, sig_alg),
                .field_name = "sig_alg",
                .item = &X509_ALGOR_it,
        },
        {
                .offset = offsetof(X509_CRL, signature),
                .field_name = "signature",
                .item = &ASN1_BIT_STRING_it,
        },
};

const ASN1_ITEM X509_CRL_it = {
        .itype = ASN1_ITYPE_SEQUENCE,
        .utype = V_ASN1_SEQUENCE,
        .templates = X509_CRL_seq_tt,
        .tcount = sizeof(X509_CRL_seq_tt) / sizeof(ASN1_TEMPLATE),
        .funcs = &X509_CRL_aux,
        .size = sizeof(X509_CRL),
        .sname = "X509_CRL",
};
LCRYPTO_ALIAS(X509_CRL_it);


X509_REVOKED *
d2i_X509_REVOKED(X509_REVOKED **a, const unsigned char **in, long len)
{
        return (X509_REVOKED *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
            &X509_REVOKED_it);
}
LCRYPTO_ALIAS(d2i_X509_REVOKED);

int
i2d_X509_REVOKED(X509_REVOKED *a, unsigned char **out)
{
        return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_REVOKED_it);
}
LCRYPTO_ALIAS(i2d_X509_REVOKED);

X509_REVOKED *
X509_REVOKED_new(void)
{
        return (X509_REVOKED *)ASN1_item_new(&X509_REVOKED_it);
}
LCRYPTO_ALIAS(X509_REVOKED_new);

void
X509_REVOKED_free(X509_REVOKED *a)
{
        ASN1_item_free((ASN1_VALUE *)a, &X509_REVOKED_it);
}
LCRYPTO_ALIAS(X509_REVOKED_free);

X509_REVOKED *
X509_REVOKED_dup(X509_REVOKED *a)
{
        return ASN1_item_dup(&X509_REVOKED_it, a);
}
LCRYPTO_ALIAS(X509_REVOKED_dup);

X509_CRL_INFO *
d2i_X509_CRL_INFO(X509_CRL_INFO **a, const unsigned char **in, long len)
{
        return (X509_CRL_INFO *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
            &X509_CRL_INFO_it);
}
LCRYPTO_ALIAS(d2i_X509_CRL_INFO);

int
i2d_X509_CRL_INFO(X509_CRL_INFO *a, unsigned char **out)
{
        return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_CRL_INFO_it);
}
LCRYPTO_ALIAS(i2d_X509_CRL_INFO);

X509_CRL_INFO *
X509_CRL_INFO_new(void)
{
        return (X509_CRL_INFO *)ASN1_item_new(&X509_CRL_INFO_it);
}
LCRYPTO_ALIAS(X509_CRL_INFO_new);

void
X509_CRL_INFO_free(X509_CRL_INFO *a)
{
        ASN1_item_free((ASN1_VALUE *)a, &X509_CRL_INFO_it);
}
LCRYPTO_ALIAS(X509_CRL_INFO_free);

X509_CRL *
d2i_X509_CRL(X509_CRL **a, const unsigned char **in, long len)
{
        return (X509_CRL *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
            &X509_CRL_it);
}
LCRYPTO_ALIAS(d2i_X509_CRL);

int
i2d_X509_CRL(X509_CRL *a, unsigned char **out)
{
        return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_CRL_it);
}
LCRYPTO_ALIAS(i2d_X509_CRL);

X509_CRL *
X509_CRL_new(void)
{
        return (X509_CRL *)ASN1_item_new(&X509_CRL_it);
}
LCRYPTO_ALIAS(X509_CRL_new);

void
X509_CRL_free(X509_CRL *a)
{
        ASN1_item_free((ASN1_VALUE *)a, &X509_CRL_it);
}
LCRYPTO_ALIAS(X509_CRL_free);

X509_CRL *
X509_CRL_dup(X509_CRL *x)
{
        return ASN1_item_dup(&X509_CRL_it, x);
}
LCRYPTO_ALIAS(X509_CRL_dup);

int
X509_CRL_add0_revoked(X509_CRL *crl, X509_REVOKED *rev)
{
        X509_CRL_INFO *inf;

        inf = crl->crl;
        if (!inf->revoked)
                inf->revoked = sk_X509_REVOKED_new(X509_REVOKED_cmp);
        if (!inf->revoked || !sk_X509_REVOKED_push(inf->revoked, rev)) {
                ASN1error(ERR_R_MALLOC_FAILURE);
                return 0;
        }
        inf->enc.modified = 1;
        return 1;
}
LCRYPTO_ALIAS(X509_CRL_add0_revoked);

int
X509_CRL_verify(X509_CRL *crl, EVP_PKEY *pkey)
{
        /*
         * The CertificateList's signature AlgorithmIdentifier must match
         * the one inside the TBSCertList, see RFC 5280, 5.1.1.2, 5.1.2.2.
         */
        if (X509_ALGOR_cmp(crl->sig_alg, crl->crl->sig_alg) != 0)
                return 0;
        return ASN1_item_verify(&X509_CRL_INFO_it, crl->sig_alg, crl->signature,
            crl->crl, pkey);
}
LCRYPTO_ALIAS(X509_CRL_verify);

static int
crl_revoked_issuer_match(X509_CRL *crl, X509_NAME *nm, X509_REVOKED *rev)
{
        int i;

        if (!rev->issuer) {
                if (!nm)
                        return 1;
                if (!X509_NAME_cmp(nm, X509_CRL_get_issuer(crl)))
                        return 1;
                return 0;
        }

        if (!nm)
                nm = X509_CRL_get_issuer(crl);

        for (i = 0; i < sk_GENERAL_NAME_num(rev->issuer); i++) {
                GENERAL_NAME *gen = sk_GENERAL_NAME_value(rev->issuer, i);
                if (gen->type != GEN_DIRNAME)
                        continue;
                if (!X509_NAME_cmp(nm, gen->d.directoryName))
                        return 1;
        }
        return 0;

}

static int
crl_lookup(X509_CRL *crl, X509_REVOKED **ret, ASN1_INTEGER *serial,
    X509_NAME *issuer)
{
        X509_REVOKED rtmp, *rev;
        int idx;

        rtmp.serialNumber = serial;
        if (!sk_X509_REVOKED_is_sorted(crl->crl->revoked)) {
                CRYPTO_w_lock(CRYPTO_LOCK_X509_CRL);
                sk_X509_REVOKED_sort(crl->crl->revoked);
                CRYPTO_w_unlock(CRYPTO_LOCK_X509_CRL);
        }
        idx = sk_X509_REVOKED_find(crl->crl->revoked, &rtmp);
        if (idx < 0)
                return 0;
        /* Need to look for matching name */
        for (; idx < sk_X509_REVOKED_num(crl->crl->revoked); idx++) {
                rev = sk_X509_REVOKED_value(crl->crl->revoked, idx);
                if (ASN1_INTEGER_cmp(rev->serialNumber, serial))
                        return 0;
                if (crl_revoked_issuer_match(crl, issuer, rev)) {
                        if (ret)
                                *ret = rev;
                        if (rev->reason == CRL_REASON_REMOVE_FROM_CRL)
                                return 2;
                        return 1;
                }
        }
        return 0;
}

int
X509_CRL_get0_by_serial(X509_CRL *crl, X509_REVOKED **ret,
    ASN1_INTEGER *serial)
{
        return crl_lookup(crl, ret, serial, NULL);
}
LCRYPTO_ALIAS(X509_CRL_get0_by_serial);

int
X509_CRL_get0_by_cert(X509_CRL *crl, X509_REVOKED **ret, X509 *x)
{
        return crl_lookup(crl, ret, X509_get_serialNumber(x),
            X509_get_issuer_name(x));
}
LCRYPTO_ALIAS(X509_CRL_get0_by_cert);

int
X509_CRL_get_signature_nid(const X509_CRL *crl)
{
        return OBJ_obj2nid(crl->sig_alg->algorithm);
}
LCRYPTO_ALIAS(X509_CRL_get_signature_nid);

const STACK_OF(X509_EXTENSION) *
X509_CRL_get0_extensions(const X509_CRL *crl)
{
        return crl->crl->extensions;
}
LCRYPTO_ALIAS(X509_CRL_get0_extensions);

long
X509_CRL_get_version(const X509_CRL *crl)
{
        return ASN1_INTEGER_get(crl->crl->version);
}
LCRYPTO_ALIAS(X509_CRL_get_version);

const ASN1_TIME *
X509_CRL_get0_lastUpdate(const X509_CRL *crl)
{
        return crl->crl->lastUpdate;
}
LCRYPTO_ALIAS(X509_CRL_get0_lastUpdate);

ASN1_TIME *
X509_CRL_get_lastUpdate(X509_CRL *crl)
{
        return crl->crl->lastUpdate;
}
LCRYPTO_ALIAS(X509_CRL_get_lastUpdate);

const ASN1_TIME *
X509_CRL_get0_nextUpdate(const X509_CRL *crl)
{
        return crl->crl->nextUpdate;
}
LCRYPTO_ALIAS(X509_CRL_get0_nextUpdate);

ASN1_TIME *
X509_CRL_get_nextUpdate(X509_CRL *crl)
{
        return crl->crl->nextUpdate;
}
LCRYPTO_ALIAS(X509_CRL_get_nextUpdate);

X509_NAME *
X509_CRL_get_issuer(const X509_CRL *crl)
{
        return crl->crl->issuer;
}
LCRYPTO_ALIAS(X509_CRL_get_issuer);

STACK_OF(X509_REVOKED) *
X509_CRL_get_REVOKED(X509_CRL *crl)
{
        return crl->crl->revoked;
}
LCRYPTO_ALIAS(X509_CRL_get_REVOKED);

void
X509_CRL_get0_signature(const X509_CRL *crl, const ASN1_BIT_STRING **psig,
    const X509_ALGOR **palg)
{
        if (psig != NULL)
                *psig = crl->signature;
        if (palg != NULL)
                *palg = crl->sig_alg;
}
LCRYPTO_ALIAS(X509_CRL_get0_signature);

const X509_ALGOR *
X509_CRL_get0_tbs_sigalg(const X509_CRL *crl)
{
        return crl->crl->sig_alg;
}
LCRYPTO_ALIAS(X509_CRL_get0_tbs_sigalg);