/* ssl/ssl_txt.c */
/* 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.]
 */
/* ====================================================================
 * Copyright 2005 Nokia. All rights reserved.
 *
 * The portions of the attached software ("Contribution") is developed by
 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 * license.
 *
 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 * support (see RFC 4279) to OpenSSL.
 *
 * No patent licenses or other rights except those expressly stated in
 * the OpenSSL open source license shall be deemed granted or received
 * expressly, by implication, estoppel, or otherwise.
 *
 * No assurances are provided by Nokia that the Contribution does not
 * infringe the patent or other intellectual property rights of any third
 * party or that the license provides you with all the necessary rights
 * to make use of the Contribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 * OTHERWISE.
 */

#include <stdio.h>
#include <openssl/buffer.h>
#include "ssl_locl.h"

#ifndef OPENSSL_NO_FP_API
int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *x)
	{
	BIO *b;
	int ret;

	if ((b=BIO_new(BIO_s_file_internal())) == NULL)
		{
		SSLerr(SSL_F_SSL_SESSION_PRINT_FP,ERR_R_BUF_LIB);
		return(0);
		}
	BIO_set_fp(b,fp,BIO_NOCLOSE);
	ret=SSL_SESSION_print(b,x);
	BIO_free(b);
	return(ret);
	}
#endif

int SSL_SESSION_print(BIO *bp, const SSL_SESSION *x)
	{
	unsigned int i;
	const char *s;

	if (x == NULL) goto err;
	if (BIO_puts(bp,"SSL-Session:\n") <= 0) goto err;
	if (x->ssl_version == SSL2_VERSION)
		s="SSLv2";
	else if (x->ssl_version == SSL3_VERSION)
		s="SSLv3";
	else if (x->ssl_version == TLS1_2_VERSION)
		s="TLSv1.2";
	else if (x->ssl_version == TLS1_1_VERSION)
		s="TLSv1.1";
	else if (x->ssl_version == TLS1_VERSION)
		s="TLSv1";
	else if (x->ssl_version == DTLS1_VERSION)
		s="DTLSv1";
	else if (x->ssl_version == DTLS1_2_VERSION)
		s="DTLSv1.2";
	else if (x->ssl_version == DTLS1_BAD_VER)
		s="DTLSv1-bad";
	else
		s="unknown";
	if (BIO_printf(bp,"    Protocol  : %s\n",s) <= 0) goto err;

	if (x->cipher == NULL)
		{
		if (((x->cipher_id) & 0xff000000) == 0x02000000)
			{
			if (BIO_printf(bp,"    Cipher    : %06lX\n",x->cipher_id&0xffffff) <= 0)
				goto err;
			}
		else
			{
			if (BIO_printf(bp,"    Cipher    : %04lX\n",x->cipher_id&0xffff) <= 0)
				goto err;
			}
		}
	else
		{
		if (BIO_printf(bp,"    Cipher    : %s\n",((x->cipher == NULL)?"unknown":x->cipher->name)) <= 0)
			goto err;
		}
	if (BIO_puts(bp,"    Session-ID: ") <= 0) goto err;
	for (i=0; i<x->session_id_length; i++)
		{
		if (BIO_printf(bp,"%02X",x->session_id[i]) <= 0) goto err;
		}
	if (BIO_puts(bp,"\n    Session-ID-ctx: ") <= 0) goto err;
	for (i=0; i<x->sid_ctx_length; i++)
		{
		if (BIO_printf(bp,"%02X",x->sid_ctx[i]) <= 0)
			goto err;
		}
	if (BIO_puts(bp,"\n    Master-Key: ") <= 0) goto err;
	for (i=0; i<(unsigned int)x->master_key_length; i++)
		{
		if (BIO_printf(bp,"%02X",x->master_key[i]) <= 0) goto err;
		}
	if (BIO_puts(bp,"\n    Key-Arg   : ") <= 0) goto err;
	if (x->key_arg_length == 0)
		{
		if (BIO_puts(bp,"None") <= 0) goto err;
		}
	else
		for (i=0; i<x->key_arg_length; i++)
			{
			if (BIO_printf(bp,"%02X",x->key_arg[i]) <= 0) goto err;
			}
#ifndef OPENSSL_NO_KRB5
       if (BIO_puts(bp,"\n    Krb5 Principal: ") <= 0) goto err;
            if (x->krb5_client_princ_len == 0)
            {
		if (BIO_puts(bp,"None") <= 0) goto err;
		}
	else
		for (i=0; i<x->krb5_client_princ_len; i++)
			{
			if (BIO_printf(bp,"%02X",x->krb5_client_princ[i]) <= 0) goto err;
			}
#endif /* OPENSSL_NO_KRB5 */
#ifndef OPENSSL_NO_PSK
	if (BIO_puts(bp,"\n    PSK identity: ") <= 0) goto err;
	if (BIO_printf(bp, "%s", x->psk_identity ? x->psk_identity : "None") <= 0) goto err;
	if (BIO_puts(bp,"\n    PSK identity hint: ") <= 0) goto err;
	if (BIO_printf(bp, "%s", x->psk_identity_hint ? x->psk_identity_hint : "None") <= 0) goto err;
#endif
#ifndef OPENSSL_NO_SRP
	if (BIO_puts(bp,"\n    SRP username: ") <= 0) goto err;
	if (BIO_printf(bp, "%s", x->srp_username ? x->srp_username : "None") <= 0) goto err;
#endif
#ifndef OPENSSL_NO_TLSEXT
	if (x->tlsext_tick_lifetime_hint)
		{
		if (BIO_printf(bp,
			"\n    TLS session ticket lifetime hint: %ld (seconds)",
			x->tlsext_tick_lifetime_hint) <=0)
			goto err;
		}
	if (x->tlsext_tick)
		{
		if (BIO_puts(bp, "\n    TLS session ticket:\n") <= 0) goto err;
		if (BIO_dump_indent(bp, (char *)x->tlsext_tick, x->tlsext_ticklen, 4) <= 0)
			goto err;
		}
#endif

#ifndef OPENSSL_NO_COMP
	if (x->compress_meth != 0)
		{
		SSL_COMP *comp = NULL;

		ssl_cipher_get_evp(x,NULL,NULL,NULL,NULL,&comp, 0);
		if (comp == NULL)
			{
			if (BIO_printf(bp,"\n    Compression: %d",x->compress_meth) <= 0) goto err;
			}
		else
			{
			if (BIO_printf(bp,"\n    Compression: %d (%s)", comp->id,comp->method->name) <= 0) goto err;
			}
		}	
#endif
	if (x->time != 0L)
		{
		if (BIO_printf(bp, "\n    Start Time: %ld",x->time) <= 0) goto err;
		}
	if (x->timeout != 0L)
		{
		if (BIO_printf(bp, "\n    Timeout   : %ld (sec)",x->timeout) <= 0) goto err;
		}
	if (BIO_puts(bp,"\n") <= 0) goto err;

	if (BIO_puts(bp, "    Verify return code: ") <= 0) goto err;
	if (BIO_printf(bp, "%ld (%s)\n", x->verify_result,
		X509_verify_cert_error_string(x->verify_result)) <= 0) goto err;
		
	return(1);
err:
	return(0);
	}

/* print session id and master key in NSS keylog format
   (RSA Session-ID:<session id> Master-Key:<master key>) */
int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x)
	{
	unsigned int i;

	if (x == NULL) goto err;
	if (x->session_id_length==0 || x->master_key_length==0) goto err;

	/* the RSA prefix is required by the format's definition although there's
	   nothing RSA-specifc in the output, therefore, we don't have to check
	   if the cipher suite is based on RSA */
	if (BIO_puts(bp,"RSA ") <= 0) goto err;

	if (BIO_puts(bp,"Session-ID:") <= 0) goto err;
	for (i=0; i<x->session_id_length; i++)
		{
		if (BIO_printf(bp,"%02X",x->session_id[i]) <= 0) goto err;
		}
	if (BIO_puts(bp," Master-Key:") <= 0) goto err;
	for (i=0; i<(unsigned int)x->master_key_length; i++)
		{
		if (BIO_printf(bp,"%02X",x->master_key[i]) <= 0) goto err;
		}
	if (BIO_puts(bp,"\n") <= 0) goto err;

	return(1);
err:
	return(0);
	}