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13c9bb3ece
openssl/apps/s_time.c
Matt Caswell 13c9bb3ece Client side version negotiation rewrite 
Continuing from the previous commit this changes the way we do client side
version negotiation. Similarly all of the s23* "up front" state machine code
has been avoided and again things now work much the same way as they already
did for DTLS, i.e. we just do most of the work in the
ssl3_get_server_hello() function.

Reviewed-by: Kurt Roeckx <kurt@openssl.org>
2015-05-16 09:20:31 +01:00

489 lines
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C
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/* 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.]
*/
#define NO_SHUTDOWN
/* ----------------------------------------
s_time - SSL client connection timer program
Written and donated by Larry Streepy <streepy@healthcare.com>
-----------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define USE_SOCKETS
#include "apps.h"
#include <openssl/x509.h>
#include <openssl/ssl.h>
#include <openssl/pem.h>
#include "s_apps.h"
#include <openssl/err.h>
#ifdef WIN32_STUFF
# include "winmain.h"
# include "wintext.h"
#endif
#if !defined(OPENSSL_SYS_MSDOS)
# include OPENSSL_UNISTD
#endif
#undef ioctl
#define ioctl ioctlsocket
#define SSL_CONNECT_NAME "localhost:4433"
/* no default cert. */
/*
* #define TEST_CERT "client.pem"
*/
#undef BUFSIZZ
#define BUFSIZZ 1024*10
#define MYBUFSIZ 1024*8
#undef min
#undef max
#define min(a,b) (((a) < (b)) ? (a) : (b))
#define max(a,b) (((a) > (b)) ? (a) : (b))
#undef SECONDS
#define SECONDS 30
#define SECONDSSTR "30"
extern int verify_depth;
extern int verify_error;
static SSL *doConnection(SSL *scon, const char *host, SSL_CTX *ctx);
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_CONNECT, OPT_CIPHER, OPT_CERT, OPT_KEY, OPT_CAPATH,
OPT_CAFILE, OPT_NEW, OPT_REUSE, OPT_BUGS, OPT_VERIFY, OPT_TIME,
#ifndef OPENSSL_NO_SSL3
OPT_SSL3,
#endif
OPT_WWW
} OPTION_CHOICE;
OPTIONS s_time_options[] = {
{"help", OPT_HELP, '-', "Display this summary"},
{"connect", OPT_CONNECT, 's',
"Where to connect as post:port (default is " SSL_CONNECT_NAME ")"},
{"cipher", OPT_CIPHER, 's', "Cipher to use, see 'openssl ciphers'"},
{"cert", OPT_CERT, '<', "Cert file to use, PEM format assumed"},
{"key", OPT_KEY, '<', "File with key, PEM; default is -cert file"},
{"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
{"cafile", OPT_CAFILE, '<', "PEM format file of CA's"},
{"new", OPT_NEW, '-', "Just time new connections"},
{"reuse", OPT_REUSE, '-', "Just time connection reuse"},
{"bugs", OPT_BUGS, '-', "Turn on SSL bug compatibility"},
{"verify", OPT_VERIFY, 'p',
"Turn on peer certificate verification, set depth"},
{"time", OPT_TIME, 'p', "Sf seconds to collect data, default" SECONDSSTR},
{"www", OPT_WWW, 's', "Fetch specified page from the site"},
#ifndef OPENSSL_NO_SSL3
{"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
#endif
{NULL}
};
#define START 0
#define STOP 1
static double tm_Time_F(int s)
{
return app_tminterval(s, 1);
}
int s_time_main(int argc, char **argv)
{
char buf[1024 * 8];
SSL *scon = NULL;
SSL_CTX *ctx = NULL;
const SSL_METHOD *meth = NULL;
char *CApath = NULL, *CAfile = NULL, *cipher = NULL, *www_path = NULL;
char *host = SSL_CONNECT_NAME, *certfile = NULL, *keyfile = NULL, *prog;
double totalTime = 0.0;
int maxtime = SECONDS, nConn = 0, perform = 3, ret = 1, i, st_bugs =
0, ver;
long bytes_read = 0, finishtime = 0;
OPTION_CHOICE o;
#ifdef OPENSSL_SYS_WIN32
int exitNow = 0; /* Set when it's time to exit main */
#endif
meth = TLS_client_method();
verify_depth = 0;
verify_error = X509_V_OK;
prog = opt_init(argc, argv, s_time_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(s_time_options);
ret = 0;
goto end;
case OPT_CONNECT:
host = opt_arg();
break;
case OPT_REUSE:
perform = 2;
break;
case OPT_NEW:
perform = 1;
break;
case OPT_VERIFY:
if (!opt_int(opt_arg(), &verify_depth))
goto opthelp;
BIO_printf(bio_err, "%s: verify depth is %d\n",
prog, verify_depth);
break;
case OPT_CERT:
certfile = opt_arg();
break;
case OPT_KEY:
keyfile = opt_arg();
break;
case OPT_CAPATH:
CApath = opt_arg();
break;
case OPT_CAFILE:
CAfile = opt_arg();
break;
case OPT_CIPHER:
cipher = opt_arg();
break;
case OPT_BUGS:
st_bugs = 1;
break;
case OPT_TIME:
if (!opt_int(opt_arg(), &maxtime))
goto opthelp;
break;
case OPT_WWW:
www_path = opt_arg();
if (strlen(www_path) > MYBUFSIZ - 100) {
BIO_printf(bio_err, "%s: -www option too long\n", prog);
goto end;
}
break;
#ifndef OPENSSL_NO_SSL3
case OPT_SSL3:
meth = SSLv3_client_method();
break;
#endif
}
}
argc = opt_num_rest();
argv = opt_rest();
if (cipher == NULL)
cipher = getenv("SSL_CIPHER");
if (cipher == NULL) {
fprintf(stderr, "No CIPHER specified\n");
goto end;
}
if ((ctx = SSL_CTX_new(meth)) == NULL)
goto end;
SSL_CTX_set_quiet_shutdown(ctx, 1);
if (st_bugs)
SSL_CTX_set_options(ctx, SSL_OP_ALL);
if (!SSL_CTX_set_cipher_list(ctx, cipher))
goto end;
if (!set_cert_stuff(ctx, certfile, keyfile))
goto end;
if (!ctx_set_verify_locations(ctx, CAfile, CApath)) {
ERR_print_errors(bio_err);
goto end;
}
if (!(perform & 1))
goto next;
printf("Collecting connection statistics for %d seconds\n", maxtime);
/* Loop and time how long it takes to make connections */
bytes_read = 0;
finishtime = (long)time(NULL) + maxtime;
tm_Time_F(START);
for (;;) {
if (finishtime < (long)time(NULL))
break;
#ifdef WIN32_STUFF
if (flushWinMsgs(0) == -1)
goto end;
if (waitingToDie || exitNow) /* we're dead */
goto end;
#endif
if ((scon = doConnection(NULL, host, ctx)) == NULL)
goto end;
if (www_path != NULL) {
BIO_snprintf(buf, sizeof buf, "GET %s HTTP/1.0\r\n\r\n",
www_path);
if (SSL_write(scon, buf, strlen(buf)) <= 0)
goto end;
while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
bytes_read += i;
}
#ifdef NO_SHUTDOWN
SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
SSL_shutdown(scon);
#endif
SHUTDOWN2(SSL_get_fd(scon));
nConn += 1;
if (SSL_session_reused(scon))
ver = 'r';
else {
ver = SSL_version(scon);
if (ver == TLS1_VERSION)
ver = 't';
else if (ver == SSL3_VERSION)
ver = '3';
else
ver = '*';
}
fputc(ver, stdout);
fflush(stdout);
SSL_free(scon);
scon = NULL;
}
totalTime += tm_Time_F(STOP); /* Add the time for this iteration */
i = (int)((long)time(NULL) - finishtime + maxtime);
printf
("\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n",
nConn, totalTime, ((double)nConn / totalTime), bytes_read);
printf
("%d connections in %ld real seconds, %ld bytes read per connection\n",
nConn, (long)time(NULL) - finishtime + maxtime, bytes_read / nConn);
/*
* Now loop and time connections using the same session id over and over
*/
next:
if (!(perform & 2))
goto end;
printf("\n\nNow timing with session id reuse.\n");
/* Get an SSL object so we can reuse the session id */
if ((scon = doConnection(NULL, host, ctx)) == NULL) {
fprintf(stderr, "Unable to get connection\n");
goto end;
}
if (www_path != NULL) {
BIO_snprintf(buf, sizeof buf, "GET %s HTTP/1.0\r\n\r\n", www_path);
if (SSL_write(scon, buf, strlen(buf)) <= 0)
goto end;
while (SSL_read(scon, buf, sizeof(buf)) > 0)
continue;
}
#ifdef NO_SHUTDOWN
SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
SSL_shutdown(scon);
#endif
SHUTDOWN2(SSL_get_fd(scon));
nConn = 0;
totalTime = 0.0;
finishtime = (long)time(NULL) + maxtime;
printf("starting\n");
bytes_read = 0;
tm_Time_F(START);
for (;;) {
if (finishtime < (long)time(NULL))
break;
#ifdef WIN32_STUFF
if (flushWinMsgs(0) == -1)
goto end;
if (waitingToDie || exitNow) /* we're dead */
goto end;
#endif
if ((doConnection(scon, host, ctx)) == NULL)
goto end;
if (www_path) {
BIO_snprintf(buf, sizeof buf, "GET %s HTTP/1.0\r\n\r\n",
www_path);
if (SSL_write(scon, buf, strlen(buf)) <= 0)
goto end;
while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
bytes_read += i;
}
#ifdef NO_SHUTDOWN
SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
SSL_shutdown(scon);
#endif
SHUTDOWN2(SSL_get_fd(scon));
nConn += 1;
if (SSL_session_reused(scon))
ver = 'r';
else {
ver = SSL_version(scon);
if (ver == TLS1_VERSION)
ver = 't';
else if (ver == SSL3_VERSION)
ver = '3';
else
ver = '*';
}
fputc(ver, stdout);
fflush(stdout);
}
totalTime += tm_Time_F(STOP); /* Add the time for this iteration */
printf
("\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n",
nConn, totalTime, ((double)nConn / totalTime), bytes_read);
printf
("%d connections in %ld real seconds, %ld bytes read per connection\n",
nConn, (long)time(NULL) - finishtime + maxtime, bytes_read / nConn);
ret = 0;
end:
SSL_free(scon);
SSL_CTX_free(ctx);
return (ret);
}
/*-
* doConnection - make a connection
*/
static SSL *doConnection(SSL *scon, const char *host, SSL_CTX *ctx)
{
BIO *conn;
SSL *serverCon;
int width, i;
fd_set readfds;
if ((conn = BIO_new(BIO_s_connect())) == NULL)
return (NULL);
BIO_set_conn_hostname(conn, host);
if (scon == NULL)
serverCon = SSL_new(ctx);
else {
serverCon = scon;
SSL_set_connect_state(serverCon);
}
SSL_set_bio(serverCon, conn, conn);
/* ok, lets connect */
for (;;) {
i = SSL_connect(serverCon);
if (BIO_sock_should_retry(i)) {
BIO_printf(bio_err, "DELAY\n");
i = SSL_get_fd(serverCon);
width = i + 1;
FD_ZERO(&readfds);
openssl_fdset(i, &readfds);
/*
* Note: under VMS with SOCKETSHR the 2nd parameter is currently
* of type (int *) whereas under other systems it is (void *) if
* you don't have a cast it will choke the compiler: if you do
* have a cast then you can either go for (int *) or (void *).
*/
select(width, (void *)&readfds, NULL, NULL, NULL);
continue;
}
break;
}
if (i <= 0) {
BIO_printf(bio_err, "ERROR\n");
if (verify_error != X509_V_OK)
BIO_printf(bio_err, "verify error:%s\n",
X509_verify_cert_error_string(verify_error));
else
ERR_print_errors(bio_err);
if (scon == NULL)
SSL_free(serverCon);
return NULL;
}
return serverCon;
}
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