/*

 * Copyright 2006-2020 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/objects.h>

#include <openssl/bn.h>

#include <openssl/x509v3.h>

#include <openssl/ts.h>

#include "ts_local.h"

struct status_map_st {

    int bit;

    const char *text;

};

static int ts_status_map_print(BIO *bio, const struct status_map_st *a,

                               const ASN1_BIT_STRING *v);

static int ts_ACCURACY_print_bio(BIO *bio, const TS_ACCURACY *accuracy);

int TS_RESP_print_bio(BIO *bio, TS_RESP *a)

{

    BIO_printf(bio, "Status info:\n");

    TS_STATUS_INFO_print_bio(bio, a->status_info);

    BIO_printf(bio, "\nTST info:\n");

    if (a->tst_info != NULL)

        TS_TST_INFO_print_bio(bio, a->tst_info);

    else

        BIO_printf(bio, "Not included.\n");

    return 1;

}

int TS_STATUS_INFO_print_bio(BIO *bio, TS_STATUS_INFO *a)

{

    static const char *status_map[] = {

        "Granted.",

        "Granted with modifications.",

        "Rejected.",

        "Waiting.",

        "Revocation warning.",

        "Revoked."

    };

    static const struct status_map_st failure_map[] = {

        {TS_INFO_BAD_ALG,

         "unrecognized or unsupported algorithm identifier"},

        {TS_INFO_BAD_REQUEST,

         "transaction not permitted or supported"},

        {TS_INFO_BAD_DATA_FORMAT,

         "the data submitted has the wrong format"},

        {TS_INFO_TIME_NOT_AVAILABLE,

         "the TSA's time source is not available"},

        {TS_INFO_UNACCEPTED_POLICY,

         "the requested TSA policy is not supported by the TSA"},

        {TS_INFO_UNACCEPTED_EXTENSION,

         "the requested extension is not supported by the TSA"},

        {TS_INFO_ADD_INFO_NOT_AVAILABLE,

         "the additional information requested could not be understood "

         "or is not available"},

        {TS_INFO_SYSTEM_FAILURE,

         "the request cannot be handled due to system failure"},

        {-1, NULL}

    };

    long status;

    int i, lines = 0;

    BIO_printf(bio, "Status: ");

    status = ASN1_INTEGER_get(a->status);

    if (0 <= status && status < (long)OSSL_NELEM(status_map))

        BIO_printf(bio, "%s\n", status_map[status]);

    else

        BIO_printf(bio, "out of bounds\n");

    BIO_printf(bio, "Status description: ");

    for (i = 0; i < sk_ASN1_UTF8STRING_num(a->text); ++i) {

        if (i > 0)

            BIO_puts(bio, "\t");

        ASN1_STRING_print_ex(bio, sk_ASN1_UTF8STRING_value(a->text, i), 0);

        BIO_puts(bio, "\n");

    }

    if (i == 0)

        BIO_printf(bio, "unspecified\n");

    BIO_printf(bio, "Failure info: ");

    if (a->failure_info != NULL)

        lines = ts_status_map_print(bio, failure_map, a->failure_info);

    if (lines == 0)

        BIO_printf(bio, "unspecified");

    BIO_printf(bio, "\n");

    return 1;

}

static int ts_status_map_print(BIO *bio, const struct status_map_st *a,

                               const ASN1_BIT_STRING *v)

{

    int lines = 0;

    for (; a->bit >= 0; ++a) {

        if (ASN1_BIT_STRING_get_bit(v, a->bit)) {

            if (++lines > 1)

                BIO_printf(bio, ", ");

            BIO_printf(bio, "%s", a->text);

        }

    }

    return lines;

}

int TS_TST_INFO_print_bio(BIO *bio, TS_TST_INFO *a)

{

    int v;

    if (a == NULL)

        return 0;

    v = ASN1_INTEGER_get(a->version);

    BIO_printf(bio, "Version: %d\n", v);

    BIO_printf(bio, "Policy OID: ");

    TS_OBJ_print_bio(bio, a->policy_id);

    TS_MSG_IMPRINT_print_bio(bio, a->msg_imprint);

    BIO_printf(bio, "Serial number: ");

    if (a->serial == NULL)

        BIO_printf(bio, "unspecified");

    else

        TS_ASN1_INTEGER_print_bio(bio, a->serial);

    BIO_write(bio, "\n", 1);

    BIO_printf(bio, "Time stamp: ");

    ASN1_GENERALIZEDTIME_print(bio, a->time);

    BIO_write(bio, "\n", 1);

    BIO_printf(bio, "Accuracy: ");

    if (a->accuracy == NULL)

        BIO_printf(bio, "unspecified");

    else

        ts_ACCURACY_print_bio(bio, a->accuracy);

    BIO_write(bio, "\n", 1);

    BIO_printf(bio, "Ordering: %s\n", a->ordering ? "yes" : "no");

    BIO_printf(bio, "Nonce: ");

    if (a->nonce == NULL)

        BIO_printf(bio, "unspecified");

    else

        TS_ASN1_INTEGER_print_bio(bio, a->nonce);

    BIO_write(bio, "\n", 1);

    BIO_printf(bio, "TSA: ");

    if (a->tsa == NULL)

        BIO_printf(bio, "unspecified");

    else {

        STACK_OF(CONF_VALUE) *nval;

        if ((nval = i2v_GENERAL_NAME(NULL, a->tsa, NULL)))

            X509V3_EXT_val_prn(bio, nval, 0, 0);

        sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);

    }

    BIO_write(bio, "\n", 1);

    TS_ext_print_bio(bio, a->extensions);

    return 1;

}

static int ts_ACCURACY_print_bio(BIO *bio, const TS_ACCURACY *a)

{

    if (a->seconds != NULL)

        TS_ASN1_INTEGER_print_bio(bio, a->seconds);

    else

        BIO_printf(bio, "unspecified");

    BIO_printf(bio, " seconds, ");

    if (a->millis != NULL)

        TS_ASN1_INTEGER_print_bio(bio, a->millis);

    else

        BIO_printf(bio, "unspecified");

    BIO_printf(bio, " millis, ");

    if (a->micros != NULL)

        TS_ASN1_INTEGER_print_bio(bio, a->micros);

    else

        BIO_printf(bio, "unspecified");

    BIO_printf(bio, " micros");

    return 1;

}