/* $OpenBSD: ts_rsp_print.c,v 1.4 2014/06/12 15:49:31 deraadt Exp $ */
/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
 * project 2002.
 */
/* ====================================================================
 * Copyright (c) 2006 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
 *    licensing@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 <stdio.h>

#include <openssl/bn.h>
#include <openssl/objects.h>
#include <openssl/ts.h>
#include <openssl/x509v3.h>

struct status_map_st {
	int bit;
	const char *text;
};

/* Local function declarations. */

static int TS_status_map_print(BIO *bio, struct status_map_st *a,
    ASN1_BIT_STRING *v);
static int TS_ACCURACY_print_bio(BIO *bio, const TS_ACCURACY *accuracy);

/* Function definitions. */

int
TS_RESP_print_bio(BIO *bio, TS_RESP *a)
{
	TS_TST_INFO *tst_info;

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

	BIO_printf(bio, "\nTST info:\n");
	tst_info = TS_RESP_get_tst_info(a);
	if (tst_info != NULL)
		TS_TST_INFO_print_bio(bio, TS_RESP_get_tst_info(a));
	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 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;

	/* Printing status code. */
	BIO_printf(bio, "Status: ");
	status = ASN1_INTEGER_get(a->status);
	if (0 <= status &&
	    status < (long)(sizeof(status_map) / sizeof(status_map[0])))
		BIO_printf(bio, "%s\n", status_map[status]);
	else
		BIO_printf(bio, "out of bounds\n");

	/* Printing status description. */
	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");

	/* Printing failure information. */
	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, struct status_map_st *a, 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;
	ASN1_OBJECT *policy_id;
	const ASN1_INTEGER *serial;
	const ASN1_GENERALIZEDTIME *gtime;
	TS_ACCURACY *accuracy;
	const ASN1_INTEGER *nonce;
	GENERAL_NAME *tsa_name;

	if (a == NULL)
		return 0;

	/* Print version. */
	v = TS_TST_INFO_get_version(a);
	BIO_printf(bio, "Version: %d\n", v);

	/* Print policy id. */
	BIO_printf(bio, "Policy OID: ");
	policy_id = TS_TST_INFO_get_policy_id(a);
	TS_OBJ_print_bio(bio, policy_id);

	/* Print message imprint. */
	TS_MSG_IMPRINT_print_bio(bio, TS_TST_INFO_get_msg_imprint(a));

	/* Print serial number. */
	BIO_printf(bio, "Serial number: ");
	serial = TS_TST_INFO_get_serial(a);
	if (serial == NULL)
		BIO_printf(bio, "unspecified");
	else
		TS_ASN1_INTEGER_print_bio(bio, serial);
	BIO_write(bio, "\n", 1);

	/* Print time stamp. */
	BIO_printf(bio, "Time stamp: ");
	gtime = TS_TST_INFO_get_time(a);
	ASN1_GENERALIZEDTIME_print(bio, gtime);
	BIO_write(bio, "\n", 1);

	/* Print accuracy. */
	BIO_printf(bio, "Accuracy: ");
	accuracy = TS_TST_INFO_get_accuracy(a);
	if (accuracy == NULL)
		BIO_printf(bio, "unspecified");
	else
		TS_ACCURACY_print_bio(bio, accuracy);
	BIO_write(bio, "\n", 1);

	/* Print ordering. */
	BIO_printf(bio, "Ordering: %s\n",
	    TS_TST_INFO_get_ordering(a) ? "yes" : "no");

	/* Print nonce. */
	BIO_printf(bio, "Nonce: ");
	nonce = TS_TST_INFO_get_nonce(a);
	if (nonce == NULL)
		BIO_printf(bio, "unspecified");
	else
		TS_ASN1_INTEGER_print_bio(bio, nonce);
	BIO_write(bio, "\n", 1);

	/* Print TSA name. */
	BIO_printf(bio, "TSA: ");
	tsa_name = TS_TST_INFO_get_tsa(a);
	if (tsa_name == NULL)
		BIO_printf(bio, "unspecified");
	else {
		STACK_OF(CONF_VALUE) *nval;
		if ((nval = i2v_GENERAL_NAME(NULL, tsa_name, NULL)))
			X509V3_EXT_val_prn(bio, nval, 0, 0);
		sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
	}
	BIO_write(bio, "\n", 1);

	/* Print extensions. */
	TS_ext_print_bio(bio, TS_TST_INFO_get_exts(a));

	return 1;
}

static int
TS_ACCURACY_print_bio(BIO *bio, const TS_ACCURACY *accuracy)
{
	const ASN1_INTEGER *seconds = TS_ACCURACY_get_seconds(accuracy);
	const ASN1_INTEGER *millis = TS_ACCURACY_get_millis(accuracy);
	const ASN1_INTEGER *micros = TS_ACCURACY_get_micros(accuracy);

	if (seconds != NULL)
		TS_ASN1_INTEGER_print_bio(bio, seconds);
	else
		BIO_printf(bio, "unspecified");
	BIO_printf(bio, " seconds, ");
	if (millis != NULL)
		TS_ASN1_INTEGER_print_bio(bio, millis);
	else
		BIO_printf(bio, "unspecified");
	BIO_printf(bio, " millis, ");
	if (micros != NULL)
		TS_ASN1_INTEGER_print_bio(bio, micros);
	else
		BIO_printf(bio, "unspecified");
	BIO_printf(bio, " micros");

	return 1;
}
