s_time.c

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/* apps/s_time.c */
/* Copyright (C) 1995-1998 Eric Young ([email protected])
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young ([email protected]).
 * 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 ([email protected]).
 * 
 * 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 ([email protected])"
 *    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 ([email protected])"
 * 
 * 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 <[email protected]>
  -----------------------------------------*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define USE_SOCKETS
#include "apps.h"
#ifdef OPENSSL_NO_STDIO
#define APPS_WIN16
#endif
#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 PROG
#define PROG s_time_main

#undef ioctl
#define ioctl ioctlsocket

#define SSL_CONNECT_NAME    "localhost:4433"

/*#define TEST_CERT "client.pem" */ /* no default cert. */

#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
extern int verify_depth;
extern int verify_error;

static void s_time_usage(void);
static int parseArgs( int argc, char **argv );
static SSL *doConnection( SSL *scon );
static void s_time_init(void);

/***********************************************************************
 * Static data declarations
 */

/* static char *port=PORT_STR;*/
static char *host=SSL_CONNECT_NAME;
static char *t_cert_file=NULL;
static char *t_key_file=NULL;
static char *CApath=NULL;
static char *CAfile=NULL;
static char *tm_cipher=NULL;
static int tm_verify = SSL_VERIFY_NONE;
static int maxTime = SECONDS;
static SSL_CTX *tm_ctx=NULL;
static const SSL_METHOD *s_time_meth=NULL;
static char *s_www_path=NULL;
static long bytes_read=0; 
static int st_bugs=0;
static int perform=0;
#ifdef FIONBIO
static int t_nbio=0;
#endif
#ifdef OPENSSL_SYS_WIN32
static int exitNow = 0;     /* Set when it's time to exit main */
#endif

static void s_time_init(void)
    {
    host=SSL_CONNECT_NAME;
    t_cert_file=NULL;
    t_key_file=NULL;
    CApath=NULL;
    CAfile=NULL;
    tm_cipher=NULL;
    tm_verify = SSL_VERIFY_NONE;
    maxTime = SECONDS;
    tm_ctx=NULL;
    s_time_meth=NULL;
    s_www_path=NULL;
    bytes_read=0; 
    st_bugs=0;
    perform=0;

#ifdef FIONBIO
    t_nbio=0;
#endif
#ifdef OPENSSL_SYS_WIN32
    exitNow = 0;        /* Set when it's time to exit main */
#endif
    }

/***********************************************************************
 * usage - display usage message
 */
static void s_time_usage(void)
{
    static char umsg[] = "\
-time arg     - max number of seconds to collect data, default %d\n\
-verify arg   - turn on peer certificate verification, arg == depth\n\
-cert arg     - certificate file to use, PEM format assumed\n\
-key arg      - RSA file to use, PEM format assumed, key is in cert file\n\
                file if not specified by this option\n\
-CApath arg   - PEM format directory of CA's\n\
-CAfile arg   - PEM format file of CA's\n\
-cipher       - preferred cipher to use, play with 'openssl ciphers'\n\n";

    printf( "usage: s_time <args>\n\n" );

    printf("-connect host:port - host:port to connect to (default is %s)\n",SSL_CONNECT_NAME);
#ifdef FIONBIO
    printf("-nbio         - Run with non-blocking IO\n");
    printf("-ssl2         - Just use SSLv2\n");
    printf("-ssl3         - Just use SSLv3\n");
    printf("-bugs         - Turn on SSL bug compatibility\n");
    printf("-new          - Just time new connections\n");
    printf("-reuse        - Just time connection reuse\n");
    printf("-www page     - Retrieve 'page' from the site\n");
#endif
    printf( umsg,SECONDS );
}

/***********************************************************************
 * parseArgs - Parse command line arguments and initialize data
 *
 * Returns 0 if ok, -1 on bad args
 */
static int parseArgs(int argc, char **argv)
{
    int badop = 0;

    verify_depth=0;
    verify_error=X509_V_OK;

    argc--;
    argv++;

    while (argc >= 1) {
    if (strcmp(*argv,"-connect") == 0)
        {
        if (--argc < 1) goto bad;
        host= *(++argv);
        }
#if 0
    else if( strcmp(*argv,"-host") == 0)
        {
        if (--argc < 1) goto bad;
        host= *(++argv);
        }
    else if( strcmp(*argv,"-port") == 0)
        {
        if (--argc < 1) goto bad;
        port= *(++argv);
        }
#endif
    else if (strcmp(*argv,"-reuse") == 0)
        perform=2;
    else if (strcmp(*argv,"-new") == 0)
        perform=1;
    else if( strcmp(*argv,"-verify") == 0) {

        tm_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
        if (--argc < 1) goto bad;
        verify_depth=atoi(*(++argv));
        BIO_printf(bio_err,"verify depth is %d\n",verify_depth);

    } else if( strcmp(*argv,"-cert") == 0) {

        if (--argc < 1) goto bad;
        t_cert_file= *(++argv);

    } else if( strcmp(*argv,"-key") == 0) {

        if (--argc < 1) goto bad;
        t_key_file= *(++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,"-cipher") == 0) {

        if (--argc < 1) goto bad;
        tm_cipher= *(++argv);
    }
#ifdef FIONBIO
    else if(strcmp(*argv,"-nbio") == 0) {
        t_nbio=1;
    }
#endif
    else if(strcmp(*argv,"-www") == 0)
        {
        if (--argc < 1) goto bad;
        s_www_path= *(++argv);
        if(strlen(s_www_path) > MYBUFSIZ-100)
            {
            BIO_printf(bio_err,"-www option too long\n");
            badop=1;
            }
        }
    else if(strcmp(*argv,"-bugs") == 0)
        st_bugs=1;
#ifndef OPENSSL_NO_SSL2
    else if(strcmp(*argv,"-ssl2") == 0)
        s_time_meth=SSLv2_client_method();
#endif
#ifndef OPENSSL_NO_SSL3
    else if(strcmp(*argv,"-ssl3") == 0)
        s_time_meth=SSLv3_client_method();
#endif
    else if( strcmp(*argv,"-time") == 0) {

        if (--argc < 1) goto bad;
        maxTime= atoi(*(++argv));
    }
    else {
        BIO_printf(bio_err,"unknown option %s\n",*argv);
        badop=1;
        break;
    }

    argc--;
    argv++;
    }

    if (perform == 0) perform=3;

    if(badop) {
bad:
        s_time_usage();
        return -1;
    }

    return 0;           /* Valid args */
}

/***********************************************************************
 * TIME - time functions
 */
#define START   0
#define STOP    1

static double tm_Time_F(int s)
    {
    return app_tminterval(s,1);
    }

/***********************************************************************
 * MAIN - main processing area for client
 *          real name depends on MONOLITH
 */
int MAIN(int, char **);

int MAIN(int argc, char **argv)
    {
    double totalTime = 0.0;
    int nConn = 0;
    SSL *scon=NULL;
    long finishtime=0;
    int ret=1,i;
    MS_STATIC char buf[1024*8];
    int ver;

    apps_startup();
    s_time_init();

    if (bio_err == NULL)
        bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);

#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
    s_time_meth=SSLv23_client_method();
#elif !defined(OPENSSL_NO_SSL3)
    s_time_meth=SSLv3_client_method();
#elif !defined(OPENSSL_NO_SSL2)
    s_time_meth=SSLv2_client_method();
#endif

    /* parse the command line arguments */
    if( parseArgs( argc, argv ) < 0 )
        goto end;

    OpenSSL_add_ssl_algorithms();
    if ((tm_ctx=SSL_CTX_new(s_time_meth)) == NULL) return(1);

    SSL_CTX_set_quiet_shutdown(tm_ctx,1);

    if (st_bugs) SSL_CTX_set_options(tm_ctx,SSL_OP_ALL);
    SSL_CTX_set_cipher_list(tm_ctx,tm_cipher);
    if(!set_cert_stuff(tm_ctx,t_cert_file,t_key_file)) 
        goto end;

    SSL_load_error_strings();

    if ((!SSL_CTX_load_verify_locations(tm_ctx,CAfile,CApath)) ||
        (!SSL_CTX_set_default_verify_paths(tm_ctx)))
        {
        /* BIO_printf(bio_err,"error setting default verify locations\n"); */
        ERR_print_errors(bio_err);
        /* goto end; */
        }

    if (tm_cipher == NULL)
        tm_cipher = getenv("SSL_CIPHER");

    if (tm_cipher == NULL ) {
        fprintf( stderr, "No CIPHER specified\n" );
    }

    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 )) == NULL )
            goto end;

        if (s_www_path != NULL)
            {
            BIO_snprintf(buf,sizeof buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
            SSL_write(scon,buf,strlen(buf));
            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 if (ver == SSL2_VERSION)
                ver='2';
            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 )) == NULL )
        {
        fprintf( stderr, "Unable to get connection\n" );
        goto end;
        }

    if (s_www_path != NULL)
        {
        BIO_snprintf(buf,sizeof buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
        SSL_write(scon,buf,strlen(buf));
        while (SSL_read(scon,buf,sizeof(buf)) > 0)
            ;
        }
#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 )) == NULL )
            goto end;

        if (s_www_path)
            {
            BIO_snprintf(buf,sizeof buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
            SSL_write(scon,buf,strlen(buf));
            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 if (ver == SSL2_VERSION)
                ver='2';
            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:
    if (scon != NULL) SSL_free(scon);

    if (tm_ctx != NULL)
        {
        SSL_CTX_free(tm_ctx);
        tm_ctx=NULL;
        }
    apps_shutdown();
    OPENSSL_EXIT(ret);
    }

/***********************************************************************
 * doConnection - make a connection
 * Args:
 *      scon    = earlier ssl connection for session id, or NULL
 * Returns:
 *      SSL *   = the connection pointer.
 */
static SSL *doConnection(SSL *scon)
    {
    BIO *conn;
    SSL *serverCon;
    int width, i;
    fd_set readfds;

    if ((conn=BIO_new(BIO_s_connect())) == NULL)
        return(NULL);

/*  BIO_set_conn_port(conn,port);*/
    BIO_set_conn_hostname(conn,host);

    if (scon == NULL)
        serverCon=SSL_new(tm_ctx);
    else
        {
        serverCon=scon;
        SSL_set_connect_state(serverCon);
        }

    SSL_set_bio(serverCon,conn,conn);

#if 0
    if( scon != NULL )
        SSL_set_session(serverCon,SSL_get_session(scon));
#endif

    /* 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;
    }