617 lines
18 KiB
C
617 lines
18 KiB
C
/*
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* SSL/TLS stress testing program
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*
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* Copyright (C) 2006-2013, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _CRT_SECURE_NO_DEPRECATE
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#define _CRT_SECURE_NO_DEPRECATE 1
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#endif
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "polarssl/config.h"
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#include "polarssl/net.h"
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#include "polarssl/ssl.h"
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#include "polarssl/entropy.h"
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#include "polarssl/ctr_drbg.h"
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#include "polarssl/certs.h"
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#if defined(POLARSSL_TIMING_C)
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#include "polarssl/timing.h"
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#endif
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#define OPMODE_NONE 0
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#define OPMODE_CLIENT 1
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#define OPMODE_SERVER 2
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#define IOMODE_BLOCK 0
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#define IOMODE_NONBLOCK 1
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#define COMMAND_READ 1
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#define COMMAND_WRITE 2
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#define COMMAND_BOTH 3
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#define DFL_OPMODE OPMODE_NONE
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#define DFL_IOMODE IOMODE_BLOCK
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#define DFL_SERVER_NAME "localhost"
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#define DFL_SERVER_PORT 4433
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#define DFL_COMMAND COMMAND_READ
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#define DFL_BUFFER_SIZE 1024
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#define DFL_MAX_BYTES 0
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#define DFL_DEBUG_LEVEL 0
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#define DFL_CONN_TIMEOUT 0
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#define DFL_MAX_CONNECTIONS 0
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#define DFL_SESSION_REUSE 1
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#define DFL_SESSION_LIFETIME 86400
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#define DFL_FORCE_CIPHER 0
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int server_fd = -1;
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/*
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* global options
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*/
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struct options
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{
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int opmode; /* operation mode (client or server) */
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int iomode; /* I/O mode (blocking or non-blocking) */
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const char *server_name; /* hostname of the server (client only) */
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int server_port; /* port on which the ssl service runs */
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int command; /* what to do: read or write operation */
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int buffer_size; /* size of the send/receive buffer */
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int max_bytes; /* max. # of bytes before a reconnect */
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int debug_level; /* level of debugging */
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#if defined(POLARSSL_TIMING_C)
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int conn_timeout; /* max. delay before a reconnect */
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#endif
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int max_connections; /* max. number of reconnections */
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int session_reuse; /* flag to reuse the keying material */
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int session_lifetime; /* if reached, session data is expired */
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int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */
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};
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/*
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* Although this PRNG has good statistical properties (eg. passes
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* DIEHARD), it is not cryptographically secure.
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*/
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static unsigned long int lcppm5( unsigned long int *state )
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{
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unsigned long int u, v;
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u = v = state[4] ^ 1;
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state[u & 3] ^= u;
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u ^= (v << 12) ^ (v >> 12);
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u ^= v * state[0]; v >>= 8;
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u ^= v * state[1]; v >>= 8;
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u ^= v * state[2]; v >>= 8;
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u ^= v * state[3];
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u &= 0xFFFFFFFF;
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state[4] = u;
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return( u );
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}
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static void my_debug( void *ctx, int level, const char *str )
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{
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if( level < ((struct options *) ctx)->debug_level )
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fprintf( stderr, "%s", str );
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}
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#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_ENTROPY_C) || \
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!defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_SRV_C) || \
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!defined(POLARSSL_SSL_CLI_C) || !defined(POLARSSL_NET_C) || \
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!defined(POLARSSL_RSA_C) || !defined(POLARSSL_CTR_DRBG_C) || \
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!defined(POLARSSL_X509_PARSE_C)
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int main( int argc, char *argv[] )
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{
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((void) argc);
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((void) argv);
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printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
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"POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_SRV_C and/or "
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"POLARSSL_SSL_CLI_C and/or POLARSSL_NET_C and/or "
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"POLARSSL_RSA_C and/or POLARSSL_CTR_DRBG_C and/or "
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"POLARSSL_X509_PARSE_C not defined.\n");
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return( 0 );
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}
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#else
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/*
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* perform a single SSL connection
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*/
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static int ssl_test( struct options *opt )
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{
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int ret, i;
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int client_fd;
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int bytes_to_read;
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int bytes_to_write;
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int offset_to_read = 0;
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int offset_to_write = 0;
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long int nb_read;
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long int nb_written;
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unsigned long read_state[5];
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unsigned long write_state[5];
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unsigned char *read_buf = NULL;
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unsigned char *write_buf = NULL;
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const char *pers = "ssl_test";
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#if defined(POLARSSL_TIMING_C)
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struct hr_time t;
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#endif
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entropy_context entropy;
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ctr_drbg_context ctr_drbg;
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ssl_context ssl;
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x509_cert srvcert;
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rsa_context rsa;
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ret = 1;
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entropy_init( &entropy );
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if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
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(const unsigned char *) pers,
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strlen( pers ) ) ) != 0 )
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{
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printf( " ! ctr_drbg_init returned %d\n", ret );
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goto exit;
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}
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#if defined(POLARSSL_TIMING_C)
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get_timer( &t, 1 );
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#endif
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memset( read_state, 0, sizeof( read_state ) );
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memset( write_state, 0, sizeof( write_state ) );
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memset( &srvcert, 0, sizeof( x509_cert ) );
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memset( &rsa, 0, sizeof( rsa_context ) );
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if( opt->opmode == OPMODE_CLIENT )
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{
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if( ( ret = net_connect( &client_fd, opt->server_name,
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opt->server_port ) ) != 0 )
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{
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printf( " ! net_connect returned %d\n\n", ret );
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return( ret );
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}
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if( ( ret = ssl_init( &ssl ) ) != 0 )
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{
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printf( " ! ssl_init returned %d\n\n", ret );
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return( ret );
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}
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ssl_set_endpoint( &ssl, SSL_IS_CLIENT );
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}
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if( opt->opmode == OPMODE_SERVER )
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{
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#if !defined(POLARSSL_CERTS_C)
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printf("POLARSSL_CERTS_C not defined.\n");
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goto exit;
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#else
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ret = x509parse_crt( &srvcert, (const unsigned char *) test_srv_crt,
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strlen( test_srv_crt ) );
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if( ret != 0 )
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{
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printf( " ! x509parse_crt returned %d\n\n", ret );
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goto exit;
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}
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ret = x509parse_crt( &srvcert, (const unsigned char *) test_ca_crt,
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strlen( test_ca_crt ) );
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if( ret != 0 )
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{
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printf( " ! x509parse_crt returned %d\n\n", ret );
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goto exit;
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}
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ret = x509parse_key( &rsa, (const unsigned char *) test_srv_key,
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strlen( test_srv_key ), NULL, 0 );
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if( ret != 0 )
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{
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printf( " ! x509parse_key returned %d\n\n", ret );
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goto exit;
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}
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#endif
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if( server_fd < 0 )
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{
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if( ( ret = net_bind( &server_fd, NULL,
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opt->server_port ) ) != 0 )
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{
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printf( " ! net_bind returned %d\n\n", ret );
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return( ret );
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}
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}
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if( ( ret = net_accept( server_fd, &client_fd, NULL ) ) != 0 )
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{
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printf( " ! net_accept returned %d\n\n", ret );
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return( ret );
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}
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if( ( ret = ssl_init( &ssl ) ) != 0 )
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{
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printf( " ! ssl_init returned %d\n\n", ret );
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return( ret );
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}
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ssl_set_endpoint( &ssl, SSL_IS_SERVER );
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ssl_set_ca_chain( &ssl, srvcert.next, NULL, NULL );
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ssl_set_own_cert( &ssl, &srvcert, &rsa );
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}
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ssl_set_authmode( &ssl, SSL_VERIFY_NONE );
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ssl_set_rng( &ssl, ctr_drbg_random, &ctr_drbg );
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ssl_set_dbg( &ssl, my_debug, opt );
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ssl_set_bio( &ssl, net_recv, &client_fd,
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net_send, &client_fd );
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if( opt->force_ciphersuite[0] != DFL_FORCE_CIPHER )
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ssl_set_ciphersuites( &ssl, opt->force_ciphersuite );
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if( opt->iomode == IOMODE_NONBLOCK )
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net_set_nonblock( client_fd );
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read_buf = (unsigned char *) malloc( opt->buffer_size );
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write_buf = (unsigned char *) malloc( opt->buffer_size );
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if( read_buf == NULL || write_buf == NULL )
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{
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printf( " ! malloc(%d bytes) failed\n\n", opt->buffer_size );
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goto exit;
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}
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nb_read = bytes_to_read = 0;
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nb_written = bytes_to_write = 0;
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while( 1 )
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{
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if( opt->command & COMMAND_WRITE )
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{
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if( bytes_to_write == 0 )
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{
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while( bytes_to_write == 0 )
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bytes_to_write = rand() % opt->buffer_size;
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for( i = 0; i < bytes_to_write; i++ )
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write_buf[i] = (unsigned char) lcppm5( write_state );
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offset_to_write = 0;
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}
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ret = ssl_write( &ssl, write_buf + offset_to_write,
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bytes_to_write );
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if( ret >= 0 )
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{
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nb_written += ret;
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bytes_to_write -= ret;
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offset_to_write += ret;
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}
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if( ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY ||
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ret == POLARSSL_ERR_NET_CONN_RESET )
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{
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ret = 0;
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goto exit;
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}
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if( ret < 0 && ret != POLARSSL_ERR_NET_WANT_READ &&
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ret != POLARSSL_ERR_NET_WANT_WRITE )
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{
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printf( " ! ssl_write returned %d\n\n", ret );
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break;
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}
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}
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if( opt->command & COMMAND_READ )
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{
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if( bytes_to_read == 0 )
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{
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bytes_to_read = rand() % opt->buffer_size;
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offset_to_read = 0;
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}
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ret = ssl_read( &ssl, read_buf + offset_to_read,
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bytes_to_read );
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if( ret >= 0 )
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{
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for( i = 0; i < ret; i++ )
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{
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if( read_buf[offset_to_read + i] !=
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(unsigned char) lcppm5( read_state ) )
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{
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ret = 1;
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printf( " ! plaintext mismatch\n\n" );
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goto exit;
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}
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}
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nb_read += ret;
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bytes_to_read -= ret;
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offset_to_read += ret;
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}
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if( ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY ||
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ret == POLARSSL_ERR_NET_CONN_RESET )
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{
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ret = 0;
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goto exit;
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}
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if( ret < 0 && ret != POLARSSL_ERR_NET_WANT_READ &&
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ret != POLARSSL_ERR_NET_WANT_WRITE )
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{
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printf( " ! ssl_read returned %d\n\n", ret );
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break;
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}
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}
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ret = 0;
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if( opt->max_bytes != 0 &&
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( opt->max_bytes <= nb_read ||
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opt->max_bytes <= nb_written ) )
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break;
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#if defined(POLARSSL_TIMING_C)
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if( opt->conn_timeout != 0 &&
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opt->conn_timeout <= (int) get_timer( &t, 0 ) )
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break;
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#endif
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}
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exit:
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fflush( stdout );
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if( read_buf != NULL )
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free( read_buf );
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if( write_buf != NULL )
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free( write_buf );
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ssl_close_notify( &ssl );
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x509_free( &srvcert );
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rsa_free( &rsa );
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ssl_free( &ssl );
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net_close( client_fd );
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return( ret );
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}
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#if defined(POLARSSL_TIMING_C)
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#define USAGE_TIMING \
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" conn_timeout=%%d (ms) default: 0 (no timeout)\n"
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#else
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#define USAGE_TIMING ""
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#endif
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#define USAGE \
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"\n usage: ssl_test opmode=<> command=<>...\n" \
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"\n acceptable parameters:\n" \
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" opmode=client/server default: <none>\n" \
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" iomode=block/nonblock default: block\n" \
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" server_name=%%s default: localhost\n" \
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" server_port=%%d default: 4433\n" \
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" command=read/write/both default: read\n" \
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" buffer_size=%%d (bytes) default: 1024\n" \
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" max_bytes=%%d (bytes) default: 0 (no limit)\n" \
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" debug_level=%%d default: 0 (disabled)\n" \
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USAGE_TIMING \
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" max_connections=%%d default: 0 (no limit)\n" \
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" session_reuse=on/off default: on (enabled)\n" \
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" session_lifetime=%%d (s) default: 86400\n" \
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" force_ciphersuite=<name> default: all enabled\n" \
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" acceptable ciphersuite names:\n"
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int main( int argc, char *argv[] )
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{
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int i, j, n;
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const int *list;
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int ret = 1;
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int nb_conn;
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char *p, *q;
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struct options opt;
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if( argc == 1 )
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{
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usage:
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printf( USAGE );
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list = ssl_list_ciphersuites();
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while( *list )
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{
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printf(" %s\n", ssl_get_ciphersuite_name( *list ) );
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list++;
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}
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printf("\n");
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goto exit;
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}
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opt.opmode = DFL_OPMODE;
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opt.iomode = DFL_IOMODE;
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opt.server_name = DFL_SERVER_NAME;
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opt.server_port = DFL_SERVER_PORT;
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opt.command = DFL_COMMAND;
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opt.buffer_size = DFL_BUFFER_SIZE;
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opt.max_bytes = DFL_MAX_BYTES;
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opt.debug_level = DFL_DEBUG_LEVEL;
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#if defined(POLARSSL_TIMING_C)
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opt.conn_timeout = DFL_CONN_TIMEOUT;
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#endif
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opt.max_connections = DFL_MAX_CONNECTIONS;
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opt.session_reuse = DFL_SESSION_REUSE;
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opt.session_lifetime = DFL_SESSION_LIFETIME;
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opt.force_ciphersuite[0] = DFL_FORCE_CIPHER;
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for( i = 1; i < argc; i++ )
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{
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n = strlen( argv[i] );
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for( j = 0; j < n; j++ )
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{
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if( argv[i][j] >= 'A' && argv[i][j] <= 'Z' )
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argv[i][j] |= 0x20;
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}
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p = argv[i];
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if( ( q = strchr( p, '=' ) ) == NULL )
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continue;
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*q++ = '\0';
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if( strcmp( p, "opmode" ) == 0 )
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{
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if( strcmp( q, "client" ) == 0 )
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opt.opmode = OPMODE_CLIENT;
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else
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if( strcmp( q, "server" ) == 0 )
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opt.opmode = OPMODE_SERVER;
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else goto usage;
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}
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if( strcmp( p, "iomode" ) == 0 )
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{
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if( strcmp( q, "block" ) == 0 )
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opt.iomode = IOMODE_BLOCK;
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else
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if( strcmp( q, "nonblock" ) == 0 )
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opt.iomode = IOMODE_NONBLOCK;
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else goto usage;
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}
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if( strcmp( p, "server_name" ) == 0 )
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opt.server_name = q;
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if( strcmp( p, "server_port" ) == 0 )
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{
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opt.server_port = atoi( q );
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if( opt.server_port < 1 || opt.server_port > 65535 )
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goto usage;
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}
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if( strcmp( p, "command" ) == 0 )
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{
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if( strcmp( q, "read" ) == 0 )
|
|
opt.command = COMMAND_READ;
|
|
else
|
|
if( strcmp( q, "write" ) == 0 )
|
|
opt.command = COMMAND_WRITE;
|
|
else
|
|
if( strcmp( q, "both" ) == 0 )
|
|
{
|
|
opt.iomode = IOMODE_NONBLOCK;
|
|
opt.command = COMMAND_BOTH;
|
|
}
|
|
else goto usage;
|
|
}
|
|
|
|
if( strcmp( p, "buffer_size" ) == 0 )
|
|
{
|
|
opt.buffer_size = atoi( q );
|
|
if( opt.buffer_size < 1 || opt.buffer_size > 1048576 )
|
|
goto usage;
|
|
}
|
|
|
|
if( strcmp( p, "max_bytes" ) == 0 )
|
|
opt.max_bytes = atoi( q );
|
|
|
|
if( strcmp( p, "debug_level" ) == 0 )
|
|
opt.debug_level = atoi( q );
|
|
#if defined(POLARSSL_TIMING_C)
|
|
if( strcmp( p, "conn_timeout" ) == 0 )
|
|
opt.conn_timeout = atoi( q );
|
|
#endif
|
|
if( strcmp( p, "max_connections" ) == 0 )
|
|
opt.max_connections = atoi( q );
|
|
|
|
if( strcmp( p, "session_reuse" ) == 0 )
|
|
{
|
|
if( strcmp( q, "on" ) == 0 )
|
|
opt.session_reuse = 1;
|
|
else
|
|
if( strcmp( q, "off" ) == 0 )
|
|
opt.session_reuse = 0;
|
|
else
|
|
goto usage;
|
|
}
|
|
|
|
if( strcmp( p, "session_lifetime" ) == 0 )
|
|
opt.session_lifetime = atoi( q );
|
|
|
|
if( strcmp( p, "force_ciphersuite" ) == 0 )
|
|
{
|
|
opt.force_ciphersuite[0] = -1;
|
|
|
|
opt.force_ciphersuite[0] = ssl_get_ciphersuite_id( q );
|
|
|
|
if( opt.force_ciphersuite[0] <= 0 )
|
|
goto usage;
|
|
|
|
opt.force_ciphersuite[1] = 0;
|
|
}
|
|
}
|
|
|
|
switch( opt.opmode )
|
|
{
|
|
case OPMODE_CLIENT:
|
|
break;
|
|
|
|
case OPMODE_SERVER:
|
|
break;
|
|
|
|
default:
|
|
goto usage;
|
|
}
|
|
|
|
nb_conn = 0;
|
|
|
|
do {
|
|
nb_conn++;
|
|
ret = ssl_test( &opt );
|
|
if( opt.max_connections != 0 &&
|
|
opt.max_connections <= nb_conn )
|
|
break;
|
|
}
|
|
while( ret == 0 );
|
|
|
|
exit:
|
|
|
|
#if defined(_WIN32)
|
|
printf( " Press Enter to exit this program.\n" );
|
|
fflush( stdout ); getchar();
|
|
#endif
|
|
|
|
return( ret );
|
|
}
|
|
#endif /* POLARSSL_BIGNUM_C && POLARSSL_ENTROPY_C && POLARSSL_SSL_TLS_C &&
|
|
POLARSSL_SSL_SRV_C && POLARSSL_SSL_CLI_C && POLARSSL_NET_C &&
|
|
POLARSSL_RSA_C && POLARSSL_CTR_DRBG_C */
|