ssltest.c

一个用于点对点传输加密的工具包源码

/* ssl/ssltest.c */
/* Copyright (C) 1995-1998 Eric Young ([e-mail])
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young ([e-mail]).
 * 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 ([e-mail]).
 * 
 * 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 ([e-mail])"
 *    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 ([e-mail])"
 * 
 * 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.]
 */

#include <assert.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#include "openssl/e_os.h"

#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#ifdef WINDOWS
#include "../crypto/bio/bss_file.c"
#endif

#ifdef VMS
#  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
#  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
#else
#  define TEST_SERVER_CERT "../apps/server.pem"
#  define TEST_CLIENT_CERT "../apps/client.pem"
#endif

static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
#ifndef NO_RSA
static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
static void free_tmp_rsa(void);
#endif
#ifndef NO_DH
static DH *get_dh512(void);
static DH *get_dh1024(void);
static DH *get_dh1024dsa(void);
#endif

static BIO *bio_err=NULL;
static BIO *bio_stdout=NULL;

static char *cipher=NULL;
static int verbose=0;
static int debug=0;
#if 0
/* Not used yet. */
#ifdef FIONBIO
static int s_nbio=0;
#endif
#endif

static const char rnd_seed[] = "string to make the random number generator think it has entropy";

int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
static void sv_usage(void)
	{
	fprintf(stderr,"usage: ssltest [args ...]\n");
	fprintf(stderr,"\n");
	fprintf(stderr," -server_auth  - check server certificate\n");
	fprintf(stderr," -client_auth  - do client authentication\n");
	fprintf(stderr," -v            - more output\n");
	fprintf(stderr," -d            - debug output\n");
	fprintf(stderr," -reuse        - use session-id reuse\n");
	fprintf(stderr," -num <val>    - number of connections to perform\n");
	fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
#ifndef NO_DH
	fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
	fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
	fprintf(stderr," -no_dhe       - disable DHE\n");
#endif
#ifndef NO_SSL2
	fprintf(stderr," -ssl2         - use SSLv2\n");
#endif
#ifndef NO_SSL3
	fprintf(stderr," -ssl3         - use SSLv3\n");
#endif
#ifndef NO_TLS1
	fprintf(stderr," -tls1         - use TLSv1\n");
#endif
	fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
	fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
	fprintf(stderr," -cert arg     - Server certificate file\n");
	fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
	fprintf(stderr," -c_cert arg   - Client certificate file\n");
	fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
	fprintf(stderr," -cipher arg   - The cipher list\n");
	fprintf(stderr," -bio_pair     - Use BIO pairs\n");
	fprintf(stderr," -f            - Test even cases that can't work\n");
	fprintf(stderr," -time         - measure processor time used by client and server\n");
	}

static void print_details(SSL *c_ssl, const char *prefix)
	{
	SSL_CIPHER *ciph;
	X509 *cert;
		
	ciph=SSL_get_current_cipher(c_ssl);
	BIO_printf(bio_stdout,"%s%s, cipher %s %s",
		prefix,
		SSL_get_version(c_ssl),
		SSL_CIPHER_get_version(ciph),
		SSL_CIPHER_get_name(ciph));
	cert=SSL_get_peer_certificate(c_ssl);
	if (cert != NULL)
		{
		EVP_PKEY *pkey = X509_get_pubkey(cert);
		if (pkey != NULL)
			{
			if (0) 
				;
#ifndef NO_RSA
			else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
				&& pkey->pkey.rsa->n != NULL)
				{
				BIO_printf(bio_stdout, ", %d bit RSA",
					BN_num_bits(pkey->pkey.rsa->n));
				}
#endif
#ifndef NO_DSA
			else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
				&& pkey->pkey.dsa->p != NULL)
				{
				BIO_printf(bio_stdout, ", %d bit DSA",
					BN_num_bits(pkey->pkey.dsa->p));
				}
#endif
			EVP_PKEY_free(pkey);
			}
		X509_free(cert);
		}
	/* The SSL API does not allow us to look at temporary RSA/DH keys,
	 * otherwise we should print their lengths too */
	BIO_printf(bio_stdout,"\n");
	}

int main(int argc, char *argv[])
	{
	char *CApath=NULL,*CAfile=NULL;
	int badop=0;
	int bio_pair=0;
	int force=0;
	int tls1=0,ssl2=0,ssl3=0,ret=1;
	int client_auth=0;
	int server_auth=0,i;
	char *server_cert=TEST_SERVER_CERT;
	char *server_key=NULL;
	char *client_cert=TEST_CLIENT_CERT;
	char *client_key=NULL;
	SSL_CTX *s_ctx=NULL;
	SSL_CTX *c_ctx=NULL;
	SSL_METHOD *meth=NULL;
	SSL *c_ssl,*s_ssl;
	int number=1,reuse=0;
	long bytes=1L;
#ifndef NO_DH
	DH *dh;
	int dhe1024 = 0, dhe1024dsa = 0;
#endif
	int no_dhe = 0;
	int print_time = 0;
	clock_t s_time = 0, c_time = 0;

	verbose = 0;
	debug = 0;
	cipher = 0;
	
	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);

	RAND_seed(rnd_seed, sizeof rnd_seed);

	bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
	bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);

	argc--;
	argv++;

	while (argc >= 1)
		{
		if	(strcmp(*argv,"-server_auth") == 0)
			server_auth=1;
		else if	(strcmp(*argv,"-client_auth") == 0)
			client_auth=1;
		else if	(strcmp(*argv,"-v") == 0)
			verbose=1;
		else if	(strcmp(*argv,"-d") == 0)
			debug=1;
		else if	(strcmp(*argv,"-reuse") == 0)
			reuse=1;
#ifndef NO_DH
		else if	(strcmp(*argv,"-dhe1024") == 0)
			dhe1024=1;
		else if	(strcmp(*argv,"-dhe1024dsa") == 0)
			dhe1024dsa=1;
#endif
		else if	(strcmp(*argv,"-no_dhe") == 0)
			no_dhe=1;
		else if	(strcmp(*argv,"-ssl2") == 0)
			ssl2=1;
		else if	(strcmp(*argv,"-tls1") == 0)
			tls1=1;
		else if	(strcmp(*argv,"-ssl3") == 0)
			ssl3=1;
		else if	(strncmp(*argv,"-num",4) == 0)
			{
			if (--argc < 1) goto bad;
			number= atoi(*(++argv));
			if (number == 0) number=1;
			}
		else if	(strcmp(*argv,"-bytes") == 0)
			{
			if (--argc < 1) goto bad;
			bytes= atol(*(++argv));
			if (bytes == 0L) bytes=1L;
			i=strlen(argv[0]);
			if (argv[0][i-1] == 'k') bytes*=1024L;
			if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
			}
		else if	(strcmp(*argv,"-cert") == 0)
			{
			if (--argc < 1) goto bad;
			server_cert= *(++argv);
			}
		else if	(strcmp(*argv,"-s_cert") == 0)
			{
			if (--argc < 1) goto bad;
			server_cert= *(++argv);
			}
		else if	(strcmp(*argv,"-key") == 0)
			{
			if (--argc < 1) goto bad;
			server_key= *(++argv);
			}
		else if	(strcmp(*argv,"-s_key") == 0)
			{
			if (--argc < 1) goto bad;
			server_key= *(++argv);
			}
		else if	(strcmp(*argv,"-c_cert") == 0)
			{
			if (--argc < 1) goto bad;
			client_cert= *(++argv);
			}
		else if	(strcmp(*argv,"-c_key") == 0)
			{
			if (--argc < 1) goto bad;
			client_key= *(++argv);
			}
		else if	(strcmp(*argv,"-cipher") == 0)
			{
			if (--argc < 1) goto bad;
			cipher= *(++argv);
			}
		else if	(strcmp(*argv,"-CApath") == 0)
			{
			if (--argc < 1) goto bad;
			CApath= *(++argv);
			}
		else if	(strcmp(*argv,"-CAfile") == 0)
			{
			if (--argc < 1) goto bad;
			CAfile= *(++argv);
			}
		else if	(strcmp(*argv,"-bio_pair") == 0)
			{
			bio_pair = 1;
			}
		else if	(strcmp(*argv,"-f") == 0)
			{
			force = 1;
			}
		else if	(strcmp(*argv,"-time") == 0)
			{
			print_time = 1;
			}
		else
			{
			fprintf(stderr,"unknown option %s\n",*argv);
			badop=1;
			break;
			}
		argc--;
		argv++;
		}
	if (badop)
		{
bad:
		sv_usage();
		goto end;
		}

	if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
		{
		fprintf(stderr, "This case cannot work.  Use -f to perform "
			"the test anyway (and\n-d to see what happens), "
			"or add one of -ssl2, -ssl3, -tls1, -reuse\n"
			"to avoid protocol mismatch.\n");
		exit(1);
		}

	if (print_time)
		{
		if (!bio_pair)
			{
			fprintf(stderr, "Using BIO pair (-bio_pair)\n");
			bio_pair = 1;
			}
		if (number < 50 && !force)
			fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
		}

/*	if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */

	SSL_library_init();
	SSL_load_error_strings();

#if !defined(NO_SSL2) && !defined(NO_SSL3)
	if (ssl2)
		meth=SSLv2_method();
	else 
	if (tls1)
		meth=TLSv1_method();
	else
	if (ssl3)
		meth=SSLv3_method();
	else
		meth=SSLv23_method();
#else
#ifdef NO_SSL2
	meth=SSLv3_method();
#else
	meth=SSLv2_method();
#endif
#endif

	c_ctx=SSL_CTX_new(meth);
	s_ctx=SSL_CTX_new(meth);
	if ((c_ctx == NULL) || (s_ctx == NULL))
		{
		ERR_print_errors(bio_err);
		goto end;
		}

	if (cipher != NULL)
		{
		SSL_CTX_set_cipher_list(c_ctx,cipher);
		SSL_CTX_set_cipher_list(s_ctx,cipher);
		}

#ifndef NO_DH
	if (!no_dhe)
		{
		if (dhe1024dsa)
			{
			/* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
			SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
			dh=get_dh1024dsa();
			}
		else if (dhe1024)
			dh=get_dh1024();
		else
			dh=get_dh512();
		SSL_CTX_set_tmp_dh(s_ctx,dh);
		DH_free(dh);
		}
#else
	(void)no_dhe;
#endif

#ifndef NO_RSA
	SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
#endif

	if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
		{
		ERR_print_errors(bio_err);
		}
	else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
		(server_key?server_key:server_cert), SSL_FILETYPE_PEM))
		{
		ERR_print_errors(bio_err);
		goto end;
		}

	if (client_auth)
		{
		SSL_CTX_use_certificate_file(c_ctx,client_cert,
			SSL_FILETYPE_PEM);
		SSL_CTX_use_PrivateKey_file(c_ctx,
			(client_key?client_key:client_cert),
			SSL_FILETYPE_PEM);
		}

	if (	(!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
		(!SSL_CTX_set_default_verify_paths(s_ctx)) ||
		(!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
		(!SSL_CTX_set_default_verify_paths(c_ctx)))