/* $OpenBSD: ocsp_prn.c,v 1.12 2025/05/10 05:54:38 tb Exp $ */
/* Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL
 * project. */

/* History:
   This file was originally part of ocsp.c and was transfered to Richard
   Levitte from CertCo by Kathy Weinhold in mid-spring 2000 to be included
   in OpenSSL or released as a patch kit. */

/* ====================================================================
 * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
 *
 * 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 above 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 acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    openssl-core@openssl.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED 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 OpenSSL PROJECT OR
 * ITS 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.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include <openssl/bio.h>
#include <openssl/ocsp.h>
#include <openssl/pem.h>
#include <openssl/x509.h>

#include "ocsp_local.h"

static int
ocsp_certid_print(BIO *bp, OCSP_CERTID* a, int indent)
{
        const ASN1_OBJECT *aobj;

        BIO_printf(bp, "%*sCertificate ID:\n", indent, "");
        indent += 2;
        BIO_printf(bp, "%*sHash Algorithm: ", indent, "");
        X509_ALGOR_get0(&aobj, NULL, NULL, a->hashAlgorithm);
        i2a_ASN1_OBJECT(bp, aobj);
        BIO_printf(bp, "\n%*sIssuer Name Hash: ", indent, "");
        i2a_ASN1_STRING(bp, a->issuerNameHash, V_ASN1_OCTET_STRING);
        BIO_printf(bp, "\n%*sIssuer Key Hash: ", indent, "");
        i2a_ASN1_STRING(bp, a->issuerKeyHash, V_ASN1_OCTET_STRING);
        BIO_printf(bp, "\n%*sSerial Number: ", indent, "");
        i2a_ASN1_INTEGER(bp, a->serialNumber);
        BIO_printf(bp, "\n");
        return 1;
}

typedef struct {
        long t;
        const char *m;
} OCSP_TBLSTR;

static const char *
table2string(long s, const OCSP_TBLSTR *ts, int len)
{
        const OCSP_TBLSTR *p;

        for (p = ts; p < ts + len; p++)
                if (p->t == s)
                        return p->m;
        return "(UNKNOWN)";
}

const char *
OCSP_response_status_str(long s)
{
        static const OCSP_TBLSTR rstat_tbl[] = {
                { OCSP_RESPONSE_STATUS_SUCCESSFUL, "successful" },
                { OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, "malformedrequest" },
                { OCSP_RESPONSE_STATUS_INTERNALERROR, "internalerror" },
                { OCSP_RESPONSE_STATUS_TRYLATER, "trylater" },
                { OCSP_RESPONSE_STATUS_SIGREQUIRED, "sigrequired" },
                { OCSP_RESPONSE_STATUS_UNAUTHORIZED, "unauthorized" }
        };
        return table2string(s, rstat_tbl, 6);
}
LCRYPTO_ALIAS(OCSP_response_status_str);

const char *
OCSP_cert_status_str(long s)
{
        static const OCSP_TBLSTR cstat_tbl[] = {
                { V_OCSP_CERTSTATUS_GOOD, "good" },
                { V_OCSP_CERTSTATUS_REVOKED, "revoked" },
                { V_OCSP_CERTSTATUS_UNKNOWN, "unknown" }
        };
        return table2string(s, cstat_tbl, 3);
}
LCRYPTO_ALIAS(OCSP_cert_status_str);

const char *
OCSP_crl_reason_str(long s)
{
        static const OCSP_TBLSTR reason_tbl[] = {
                { OCSP_REVOKED_STATUS_UNSPECIFIED, "unspecified" },
                { OCSP_REVOKED_STATUS_KEYCOMPROMISE, "keyCompromise" },
                { OCSP_REVOKED_STATUS_CACOMPROMISE, "cACompromise" },
                { OCSP_REVOKED_STATUS_AFFILIATIONCHANGED, "affiliationChanged" },
                { OCSP_REVOKED_STATUS_SUPERSEDED, "superseded" },
                { OCSP_REVOKED_STATUS_CESSATIONOFOPERATION, "cessationOfOperation" },
                { OCSP_REVOKED_STATUS_CERTIFICATEHOLD, "certificateHold" },
                { OCSP_REVOKED_STATUS_REMOVEFROMCRL, "removeFromCRL" }
        };
        return table2string(s, reason_tbl, 8);
}
LCRYPTO_ALIAS(OCSP_crl_reason_str);

int
OCSP_REQUEST_print(BIO *bp, OCSP_REQUEST* o, unsigned long flags)
{
        int i;
        long l;
        OCSP_CERTID* cid = NULL;
        OCSP_ONEREQ *one = NULL;
        OCSP_REQINFO *inf = o->tbsRequest;
        OCSP_SIGNATURE *sig = o->optionalSignature;

        if (BIO_write(bp, "OCSP Request Data:\n", 19) <= 0)
                goto err;
        l = ASN1_INTEGER_get(inf->version);
        if (BIO_printf(bp, "    Version: %lu (0x%lx)", l+1, l) <= 0)
                goto err;
        if (inf->requestorName != NULL) {
                if (BIO_write(bp, "\n    Requestor Name: ", 21) <= 0)
                        goto err;
                GENERAL_NAME_print(bp, inf->requestorName);
        }
        if (BIO_write(bp, "\n    Requestor List:\n", 21) <= 0)
                goto err;
        for (i = 0; i < sk_OCSP_ONEREQ_num(inf->requestList); i++) {
                one = sk_OCSP_ONEREQ_value(inf->requestList, i);
                cid = one->reqCert;
                ocsp_certid_print(bp, cid, 8);
                if (!X509V3_extensions_print(bp, "Request Single Extensions",
                    one->singleRequestExtensions, flags, 8))
                        goto err;
        }
        if (!X509V3_extensions_print(bp, "Request Extensions",
            inf->requestExtensions, flags, 4))
                goto err;
        if (sig) {
                if (X509_signature_print(bp, sig->signatureAlgorithm,
                    sig->signature) == 0)
                        goto err;
                for (i = 0; i < sk_X509_num(sig->certs); i++) {
                        if (X509_print(bp, sk_X509_value(sig->certs, i)) == 0)
                                goto err;
                        if (PEM_write_bio_X509(bp,
                            sk_X509_value(sig->certs, i)) == 0)
                                goto err;
                }
        }
        return 1;

err:
        return 0;
}
LCRYPTO_ALIAS(OCSP_REQUEST_print);

int
OCSP_RESPONSE_print(BIO *bp, OCSP_RESPONSE* o, unsigned long flags)
{
        int i, ret = 0;
        long l;
        OCSP_CERTID *cid = NULL;
        OCSP_BASICRESP *br = NULL;
        OCSP_RESPID *rid = NULL;
        OCSP_RESPDATA  *rd = NULL;
        OCSP_CERTSTATUS *cst = NULL;
        OCSP_REVOKEDINFO *rev = NULL;
        OCSP_SINGLERESP *single = NULL;
        OCSP_RESPBYTES *rb = o->responseBytes;

        if (BIO_puts(bp, "OCSP Response Data:\n") <= 0)
                goto err;
        l = ASN1_ENUMERATED_get(o->responseStatus);
        if (BIO_printf(bp, "    OCSP Response Status: %s (0x%lx)\n",
            OCSP_response_status_str(l), l) <= 0)
                goto err;
        if (rb == NULL)
                return 1;
        if (BIO_puts(bp, "    Response Type: ") <= 0)
                goto err;
        if (i2a_ASN1_OBJECT(bp, rb->responseType) <= 0)
                goto err;
        if (OBJ_obj2nid(rb->responseType) != NID_id_pkix_OCSP_basic) {
                BIO_puts(bp, " (unknown response type)\n");
                return 1;
        }

        i = ASN1_STRING_length(rb->response);
        if (!(br = OCSP_response_get1_basic(o)))
                goto err;
        rd = br->tbsResponseData;
        l = ASN1_INTEGER_get(rd->version);
        if (BIO_printf(bp, "\n    Version: %lu (0x%lx)\n", l+1, l) <= 0)
                goto err;
        if (BIO_puts(bp, "    Responder Id: ") <= 0)
                goto err;

        rid = rd->responderId;
        switch (rid->type) {
        case V_OCSP_RESPID_NAME:
                X509_NAME_print_ex(bp, rid->value.byName, 0, XN_FLAG_ONELINE);
                break;
        case V_OCSP_RESPID_KEY:
                i2a_ASN1_STRING(bp, rid->value.byKey, V_ASN1_OCTET_STRING);
                break;
        }

        if (BIO_printf(bp, "\n    Produced At: ")<=0)
                goto err;
        if (!ASN1_GENERALIZEDTIME_print(bp, rd->producedAt))
                goto err;
        if (BIO_printf(bp, "\n    Responses:\n") <= 0)
                goto err;
        for (i = 0; i < sk_OCSP_SINGLERESP_num(rd->responses); i++) {
                if (! sk_OCSP_SINGLERESP_value(rd->responses, i))
                        continue;
                single = sk_OCSP_SINGLERESP_value(rd->responses, i);
                cid = single->certId;
                if (ocsp_certid_print(bp, cid, 4) <= 0)
                        goto err;
                cst = single->certStatus;
                if (BIO_printf(bp, "    Cert Status: %s",
                    OCSP_cert_status_str(cst->type)) <= 0)
                        goto err;
                if (cst->type == V_OCSP_CERTSTATUS_REVOKED) {
                        rev = cst->value.revoked;
                        if (BIO_printf(bp, "\n    Revocation Time: ") <= 0)
                                goto err;
                        if (!ASN1_GENERALIZEDTIME_print(bp,
                            rev->revocationTime))
                                goto err;
                        if (rev->revocationReason) {
                                l = ASN1_ENUMERATED_get(rev->revocationReason);
                                if (BIO_printf(bp,
                                    "\n    Revocation Reason: %s (0x%lx)",
                                    OCSP_crl_reason_str(l), l) <= 0)
                                        goto err;
                        }
                }
                if (BIO_printf(bp, "\n    This Update: ") <= 0)
                        goto err;
                if (!ASN1_GENERALIZEDTIME_print(bp, single->thisUpdate))
                        goto err;
                if (single->nextUpdate) {
                        if (BIO_printf(bp, "\n    Next Update: ") <= 0)
                                goto err;
                        if (!ASN1_GENERALIZEDTIME_print(bp, single->nextUpdate))
                                goto err;
                }
                if (BIO_write(bp, "\n", 1) <= 0)
                        goto err;
                if (!X509V3_extensions_print(bp, "Response Single Extensions",
                    single->singleExtensions, flags, 8))
                        goto err;
                if (BIO_write(bp, "\n", 1) <= 0)
                        goto err;
        }
        if (!X509V3_extensions_print(bp, "Response Extensions",
            rd->responseExtensions, flags, 4))
                goto err;
        if (X509_signature_print(bp, br->signatureAlgorithm, br->signature) <=
            0)
                goto err;

        for (i = 0; i < sk_X509_num(br->certs); i++) {
                X509_print(bp, sk_X509_value(br->certs, i));
                PEM_write_bio_X509(bp, sk_X509_value(br->certs, i));
        }

        ret = 1;

err:
        OCSP_BASICRESP_free(br);
        return ret;
}
LCRYPTO_ALIAS(OCSP_RESPONSE_print);