sl@0: /* apps/s_cb.c - callback functions used by s_client, s_server, and s_time */
sl@0: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * This package is an SSL implementation written
sl@0:  * by Eric Young (eay@cryptsoft.com).
sl@0:  * The implementation was written so as to conform with Netscapes SSL.
sl@0:  * 
sl@0:  * This library is free for commercial and non-commercial use as long as
sl@0:  * the following conditions are aheared to.  The following conditions
sl@0:  * apply to all code found in this distribution, be it the RC4, RSA,
sl@0:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
sl@0:  * included with this distribution is covered by the same copyright terms
sl@0:  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
sl@0:  * 
sl@0:  * Copyright remains Eric Young's, and as such any Copyright notices in
sl@0:  * the code are not to be removed.
sl@0:  * If this package is used in a product, Eric Young should be given attribution
sl@0:  * as the author of the parts of the library used.
sl@0:  * This can be in the form of a textual message at program startup or
sl@0:  * in documentation (online or textual) provided with the package.
sl@0:  * 
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 3. All advertising materials mentioning features or use of this software
sl@0:  *    must display the following acknowledgement:
sl@0:  *    "This product includes cryptographic software written by
sl@0:  *     Eric Young (eay@cryptsoft.com)"
sl@0:  *    The word 'cryptographic' can be left out if the rouines from the library
sl@0:  *    being used are not cryptographic related :-).
sl@0:  * 4. If you include any Windows specific code (or a derivative thereof) from 
sl@0:  *    the apps directory (application code) you must include an acknowledgement:
sl@0:  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  * 
sl@0:  * The licence and distribution terms for any publically available version or
sl@0:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
sl@0:  * copied and put under another distribution licence
sl@0:  * [including the GNU Public Licence.]
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    openssl-core@openssl.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include <stdlib.h>
sl@0: #define USE_SOCKETS
sl@0: #define NON_MAIN
sl@0: #include "apps.h"
sl@0: #undef NON_MAIN
sl@0: #undef USE_SOCKETS
sl@0: #include <openssl/err.h>
sl@0: #include <openssl/x509.h>
sl@0: #include <openssl/ssl.h>
sl@0: #include "s_apps.h"
sl@0: 
sl@0: int verify_depth=0;
sl@0: int verify_error=X509_V_OK;
sl@0: 
sl@0: 
sl@0: int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
sl@0: 	{
sl@0: 	char buf[256];
sl@0: 	X509 *err_cert;
sl@0: 	int err,depth;
sl@0: 
sl@0: 	err_cert=X509_STORE_CTX_get_current_cert(ctx);
sl@0: 	err=	X509_STORE_CTX_get_error(ctx);
sl@0: 	depth=	X509_STORE_CTX_get_error_depth(ctx);
sl@0: 
sl@0: 	X509_NAME_oneline(X509_get_subject_name(err_cert),buf,sizeof buf);
sl@0: 	BIO_printf(bio_err,"depth=%d %s\n",depth,buf);
sl@0: 	if (!ok)
sl@0: 		{
sl@0: 		BIO_printf(bio_err,"verify error:num=%d:%s\n",err,
sl@0: 			X509_verify_cert_error_string(err));
sl@0: 		if (verify_depth >= depth)
sl@0: 			{
sl@0: 			ok=1;
sl@0: 			verify_error=X509_V_OK;
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			ok=0;
sl@0: 			verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG;
sl@0: 			}
sl@0: 		}
sl@0: 	switch (ctx->error)
sl@0: 		{
sl@0: 	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
sl@0: 		X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert),buf,sizeof buf);
sl@0: 		BIO_printf(bio_err,"issuer= %s\n",buf);
sl@0: 		break;
sl@0: 	case X509_V_ERR_CERT_NOT_YET_VALID:
sl@0: 	case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
sl@0: 		BIO_printf(bio_err,"notBefore=");
sl@0: 		ASN1_TIME_print(bio_err,X509_get_notBefore(ctx->current_cert));
sl@0: 		BIO_printf(bio_err,"\n");
sl@0: 		break;
sl@0: 	case X509_V_ERR_CERT_HAS_EXPIRED:
sl@0: 	case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
sl@0: 		BIO_printf(bio_err,"notAfter=");
sl@0: 		ASN1_TIME_print(bio_err,X509_get_notAfter(ctx->current_cert));
sl@0: 		BIO_printf(bio_err,"\n");
sl@0: 		break;
sl@0: 		}
sl@0: 	BIO_printf(bio_err,"verify return:%d\n",ok);
sl@0: 	return(ok);
sl@0: 	}
sl@0: 
sl@0: int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
sl@0: 	{
sl@0: 	if (cert_file != NULL)
sl@0: 		{
sl@0: 		/*
sl@0: 		SSL *ssl;
sl@0: 		X509 *x509;
sl@0: 		*/
sl@0: 
sl@0: 		if (SSL_CTX_use_certificate_file(ctx,cert_file,
sl@0: 			SSL_FILETYPE_PEM) <= 0)
sl@0: 			{
sl@0: 			BIO_printf(bio_err,"unable to get certificate from '%s'\n",cert_file);
sl@0: 			ERR_print_errors(bio_err);
sl@0: 			return(0);
sl@0: 			}
sl@0: 		if (key_file == NULL) key_file=cert_file;
sl@0: 		if (SSL_CTX_use_PrivateKey_file(ctx,key_file,
sl@0: 			SSL_FILETYPE_PEM) <= 0)
sl@0: 			{
sl@0: 			BIO_printf(bio_err,"unable to get private key from '%s'\n",key_file);
sl@0: 			ERR_print_errors(bio_err);
sl@0: 			return(0);
sl@0: 			}
sl@0: 
sl@0: 		/*
sl@0: 		In theory this is no longer needed 
sl@0: 		ssl=SSL_new(ctx);
sl@0: 		x509=SSL_get_certificate(ssl);
sl@0: 
sl@0: 		if (x509 != NULL) {
sl@0: 			EVP_PKEY *pktmp;
sl@0: 			pktmp = X509_get_pubkey(x509);
sl@0: 			EVP_PKEY_copy_parameters(pktmp,
sl@0: 						SSL_get_privatekey(ssl));
sl@0: 			EVP_PKEY_free(pktmp);
sl@0: 		}
sl@0: 		SSL_free(ssl);
sl@0: 		*/
sl@0: 
sl@0: 		/* If we are using DSA, we can copy the parameters from
sl@0: 		 * the private key */
sl@0: 		
sl@0: 		
sl@0: 		/* Now we know that a key and cert have been set against
sl@0: 		 * the SSL context */
sl@0: 		if (!SSL_CTX_check_private_key(ctx))
sl@0: 			{
sl@0: 			BIO_printf(bio_err,"Private key does not match the certificate public key\n");
sl@0: 			return(0);
sl@0: 			}
sl@0: 		}
sl@0: 	return(1);
sl@0: 	}
sl@0: 
sl@0: int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key)
sl@0: 	{
sl@0: 	if (cert ==  NULL)
sl@0: 		return 1;
sl@0: 	if (SSL_CTX_use_certificate(ctx,cert) <= 0)
sl@0: 		{
sl@0: 		BIO_printf(bio_err,"error setting certificate\n");
sl@0: 		ERR_print_errors(bio_err);
sl@0: 		return 0;
sl@0: 		}
sl@0: 	if (SSL_CTX_use_PrivateKey(ctx,key) <= 0)
sl@0: 		{
sl@0: 		BIO_printf(bio_err,"error setting private key\n");
sl@0: 		ERR_print_errors(bio_err);
sl@0: 		return 0;
sl@0: 		}
sl@0: 
sl@0: 		
sl@0: 		/* Now we know that a key and cert have been set against
sl@0: 		 * the SSL context */
sl@0: 	if (!SSL_CTX_check_private_key(ctx))
sl@0: 		{
sl@0: 		BIO_printf(bio_err,"Private key does not match the certificate public key\n");
sl@0: 		return 0;
sl@0: 		}
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp,
sl@0: 	int argi, long argl, long ret)
sl@0: 	{
sl@0: 	BIO *out;
sl@0: 
sl@0: 	out=(BIO *)BIO_get_callback_arg(bio);
sl@0: 	if (out == NULL) return(ret);
sl@0: 
sl@0: 	if (cmd == (BIO_CB_READ|BIO_CB_RETURN))
sl@0: 		{
sl@0: 		BIO_printf(out,"read from %p [%p] (%d bytes => %ld (0x%lX))\n",
sl@0:  			(void *)bio,argp,argi,ret,ret);
sl@0: 		BIO_dump(out,argp,(int)ret);
sl@0: 		return(ret);
sl@0: 		}
sl@0: 	else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN))
sl@0: 		{
sl@0: 		BIO_printf(out,"write to %p [%p] (%d bytes => %ld (0x%lX))\n",
sl@0: 			(void *)bio,argp,argi,ret,ret);
sl@0: 		BIO_dump(out,argp,(int)ret);
sl@0: 		}
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: void MS_CALLBACK apps_ssl_info_callback(const SSL *s, int where, int ret)
sl@0: 	{
sl@0: 	const char *str;
sl@0: 	int w;
sl@0: 
sl@0: 	w=where& ~SSL_ST_MASK;
sl@0: 
sl@0: 	if (w & SSL_ST_CONNECT) str="SSL_connect";
sl@0: 	else if (w & SSL_ST_ACCEPT) str="SSL_accept";
sl@0: 	else str="undefined";
sl@0: 
sl@0: 	if (where & SSL_CB_LOOP)
sl@0: 		{
sl@0: 		BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
sl@0: 		}
sl@0: 	else if (where & SSL_CB_ALERT)
sl@0: 		{
sl@0: 		str=(where & SSL_CB_READ)?"read":"write";
sl@0: 		BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
sl@0: 			str,
sl@0: 			SSL_alert_type_string_long(ret),
sl@0: 			SSL_alert_desc_string_long(ret));
sl@0: 		}
sl@0: 	else if (where & SSL_CB_EXIT)
sl@0: 		{
sl@0: 		if (ret == 0)
sl@0: 			BIO_printf(bio_err,"%s:failed in %s\n",
sl@0: 				str,SSL_state_string_long(s));
sl@0: 		else if (ret < 0)
sl@0: 			{
sl@0: 			BIO_printf(bio_err,"%s:error in %s\n",
sl@0: 				str,SSL_state_string_long(s));
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)
sl@0: 	{
sl@0: 	BIO *bio = arg;
sl@0: 	const char *str_write_p, *str_version, *str_content_type = "", *str_details1 = "", *str_details2= "";
sl@0: 	
sl@0: 	str_write_p = write_p ? ">>>" : "<<<";
sl@0: 
sl@0: 	switch (version)
sl@0: 		{
sl@0: 	case SSL2_VERSION:
sl@0: 		str_version = "SSL 2.0";
sl@0: 		break;
sl@0: 	case SSL3_VERSION:
sl@0: 		str_version = "SSL 3.0 ";
sl@0: 		break;
sl@0: 	case TLS1_VERSION:
sl@0: 		str_version = "TLS 1.0 ";
sl@0: 		break;
sl@0: 	default:
sl@0: 		str_version = "???";
sl@0: 		}
sl@0: 
sl@0: 	if (version == SSL2_VERSION)
sl@0: 		{
sl@0: 		str_details1 = "???";
sl@0: 
sl@0: 		if (len > 0)
sl@0: 			{
sl@0: 			switch (((const unsigned char*)buf)[0])
sl@0: 				{
sl@0: 				case 0:
sl@0: 					str_details1 = ", ERROR:";
sl@0: 					str_details2 = " ???";
sl@0: 					if (len >= 3)
sl@0: 						{
sl@0: 						unsigned err = (((const unsigned char*)buf)[1]<<8) + ((const unsigned char*)buf)[2];
sl@0: 						
sl@0: 						switch (err)
sl@0: 							{
sl@0: 						case 0x0001:
sl@0: 							str_details2 = " NO-CIPHER-ERROR";
sl@0: 							break;
sl@0: 						case 0x0002:
sl@0: 							str_details2 = " NO-CERTIFICATE-ERROR";
sl@0: 							break;
sl@0: 						case 0x0004:
sl@0: 							str_details2 = " BAD-CERTIFICATE-ERROR";
sl@0: 							break;
sl@0: 						case 0x0006:
sl@0: 							str_details2 = " UNSUPPORTED-CERTIFICATE-TYPE-ERROR";
sl@0: 							break;
sl@0: 							}
sl@0: 						}
sl@0: 
sl@0: 					break;
sl@0: 				case 1:
sl@0: 					str_details1 = ", CLIENT-HELLO";
sl@0: 					break;
sl@0: 				case 2:
sl@0: 					str_details1 = ", CLIENT-MASTER-KEY";
sl@0: 					break;
sl@0: 				case 3:
sl@0: 					str_details1 = ", CLIENT-FINISHED";
sl@0: 					break;
sl@0: 				case 4:
sl@0: 					str_details1 = ", SERVER-HELLO";
sl@0: 					break;
sl@0: 				case 5:
sl@0: 					str_details1 = ", SERVER-VERIFY";
sl@0: 					break;
sl@0: 				case 6:
sl@0: 					str_details1 = ", SERVER-FINISHED";
sl@0: 					break;
sl@0: 				case 7:
sl@0: 					str_details1 = ", REQUEST-CERTIFICATE";
sl@0: 					break;
sl@0: 				case 8:
sl@0: 					str_details1 = ", CLIENT-CERTIFICATE";
sl@0: 					break;
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	if (version == SSL3_VERSION || version == TLS1_VERSION)
sl@0: 		{
sl@0: 		switch (content_type)
sl@0: 			{
sl@0: 		case 20:
sl@0: 			str_content_type = "ChangeCipherSpec";
sl@0: 			break;
sl@0: 		case 21:
sl@0: 			str_content_type = "Alert";
sl@0: 			break;
sl@0: 		case 22:
sl@0: 			str_content_type = "Handshake";
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		if (content_type == 21) /* Alert */
sl@0: 			{
sl@0: 			str_details1 = ", ???";
sl@0: 			
sl@0: 			if (len == 2)
sl@0: 				{
sl@0: 				switch (((const unsigned char*)buf)[0])
sl@0: 					{
sl@0: 				case 1:
sl@0: 					str_details1 = ", warning";
sl@0: 					break;
sl@0: 				case 2:
sl@0: 					str_details1 = ", fatal";
sl@0: 					break;
sl@0: 					}
sl@0: 
sl@0: 				str_details2 = " ???";
sl@0: 				switch (((const unsigned char*)buf)[1])
sl@0: 					{
sl@0: 				case 0:
sl@0: 					str_details2 = " close_notify";
sl@0: 					break;
sl@0: 				case 10:
sl@0: 					str_details2 = " unexpected_message";
sl@0: 					break;
sl@0: 				case 20:
sl@0: 					str_details2 = " bad_record_mac";
sl@0: 					break;
sl@0: 				case 21:
sl@0: 					str_details2 = " decryption_failed";
sl@0: 					break;
sl@0: 				case 22:
sl@0: 					str_details2 = " record_overflow";
sl@0: 					break;
sl@0: 				case 30:
sl@0: 					str_details2 = " decompression_failure";
sl@0: 					break;
sl@0: 				case 40:
sl@0: 					str_details2 = " handshake_failure";
sl@0: 					break;
sl@0: 				case 42:
sl@0: 					str_details2 = " bad_certificate";
sl@0: 					break;
sl@0: 				case 43:
sl@0: 					str_details2 = " unsupported_certificate";
sl@0: 					break;
sl@0: 				case 44:
sl@0: 					str_details2 = " certificate_revoked";
sl@0: 					break;
sl@0: 				case 45:
sl@0: 					str_details2 = " certificate_expired";
sl@0: 					break;
sl@0: 				case 46:
sl@0: 					str_details2 = " certificate_unknown";
sl@0: 					break;
sl@0: 				case 47:
sl@0: 					str_details2 = " illegal_parameter";
sl@0: 					break;
sl@0: 				case 48:
sl@0: 					str_details2 = " unknown_ca";
sl@0: 					break;
sl@0: 				case 49:
sl@0: 					str_details2 = " access_denied";
sl@0: 					break;
sl@0: 				case 50:
sl@0: 					str_details2 = " decode_error";
sl@0: 					break;
sl@0: 				case 51:
sl@0: 					str_details2 = " decrypt_error";
sl@0: 					break;
sl@0: 				case 60:
sl@0: 					str_details2 = " export_restriction";
sl@0: 					break;
sl@0: 				case 70:
sl@0: 					str_details2 = " protocol_version";
sl@0: 					break;
sl@0: 				case 71:
sl@0: 					str_details2 = " insufficient_security";
sl@0: 					break;
sl@0: 				case 80:
sl@0: 					str_details2 = " internal_error";
sl@0: 					break;
sl@0: 				case 90:
sl@0: 					str_details2 = " user_canceled";
sl@0: 					break;
sl@0: 				case 100:
sl@0: 					str_details2 = " no_renegotiation";
sl@0: 					break;
sl@0: 					}
sl@0: 				}
sl@0: 			}
sl@0: 		
sl@0: 		if (content_type == 22) /* Handshake */
sl@0: 			{
sl@0: 			str_details1 = "???";
sl@0: 
sl@0: 			if (len > 0)
sl@0: 				{
sl@0: 				switch (((const unsigned char*)buf)[0])
sl@0: 					{
sl@0: 				case 0:
sl@0: 					str_details1 = ", HelloRequest";
sl@0: 					break;
sl@0: 				case 1:
sl@0: 					str_details1 = ", ClientHello";
sl@0: 					break;
sl@0: 				case 2:
sl@0: 					str_details1 = ", ServerHello";
sl@0: 					break;
sl@0: 				case 11:
sl@0: 					str_details1 = ", Certificate";
sl@0: 					break;
sl@0: 				case 12:
sl@0: 					str_details1 = ", ServerKeyExchange";
sl@0: 					break;
sl@0: 				case 13:
sl@0: 					str_details1 = ", CertificateRequest";
sl@0: 					break;
sl@0: 				case 14:
sl@0: 					str_details1 = ", ServerHelloDone";
sl@0: 					break;
sl@0: 				case 15:
sl@0: 					str_details1 = ", CertificateVerify";
sl@0: 					break;
sl@0: 				case 16:
sl@0: 					str_details1 = ", ClientKeyExchange";
sl@0: 					break;
sl@0: 				case 20:
sl@0: 					str_details1 = ", Finished";
sl@0: 					break;
sl@0: 					}
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version, str_content_type, (unsigned long)len, str_details1, str_details2);
sl@0: 
sl@0: 	if (len > 0)
sl@0: 		{
sl@0: 		size_t num, i;
sl@0: 		
sl@0: 		BIO_printf(bio, "   ");
sl@0: 		num = len;
sl@0: #if 0
sl@0: 		if (num > 16)
sl@0: 			num = 16;
sl@0: #endif
sl@0: 		for (i = 0; i < num; i++)
sl@0: 			{
sl@0: 			if (i % 16 == 0 && i > 0)
sl@0: 				BIO_printf(bio, "\n   ");
sl@0: 			BIO_printf(bio, " %02x", ((const unsigned char*)buf)[i]);
sl@0: 			}
sl@0: 		if (i < len)
sl@0: 			BIO_printf(bio, " ...");
sl@0: 		BIO_printf(bio, "\n");
sl@0: 		}
sl@0: 	(void)BIO_flush(bio);
sl@0: 	}
sl@0: 
sl@0: void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type,
sl@0: 					unsigned char *data, int len,
sl@0: 					void *arg)
sl@0: 	{
sl@0: 	BIO *bio = arg;
sl@0: 	char *extname;
sl@0: 
sl@0: 	switch(type)
sl@0: 		{
sl@0: 		case TLSEXT_TYPE_server_name:
sl@0: 		extname = "server name";
sl@0: 		break;
sl@0: 
sl@0: 		case TLSEXT_TYPE_max_fragment_length:
sl@0: 		extname = "max fragment length";
sl@0: 		break;
sl@0: 
sl@0: 		case TLSEXT_TYPE_client_certificate_url:
sl@0: 		extname = "client certificate URL";
sl@0: 		break;
sl@0: 
sl@0: 		case TLSEXT_TYPE_trusted_ca_keys:
sl@0: 		extname = "trusted CA keys";
sl@0: 		break;
sl@0: 
sl@0: 		case TLSEXT_TYPE_truncated_hmac:
sl@0: 		extname = "truncated HMAC";
sl@0: 		break;
sl@0: 
sl@0: 		case TLSEXT_TYPE_status_request:
sl@0: 		extname = "status request";
sl@0: 		break;
sl@0: 
sl@0: 		case TLSEXT_TYPE_elliptic_curves:
sl@0: 		extname = "elliptic curves";
sl@0: 		break;
sl@0: 
sl@0: 		case TLSEXT_TYPE_ec_point_formats:
sl@0: 		extname = "EC point formats";
sl@0: 		break;
sl@0: 
sl@0: 		case TLSEXT_TYPE_session_ticket:
sl@0: 		extname = "server ticket";
sl@0: 		break;
sl@0: 
sl@0: 
sl@0: 		default:
sl@0: 		extname = "unknown";
sl@0: 		break;
sl@0: 
sl@0: 		}
sl@0: 	
sl@0: 	BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
sl@0: 			client_server ? "server": "client",
sl@0: 			extname, type, len);
sl@0: 	BIO_dump(bio, (char *)data, len);
sl@0: 	(void)BIO_flush(bio);
sl@0: 	}