apps/s_time.c - third_party/openssl - Git at Google

 /*
  * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
  */

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

 #include <openssl/opensslconf.h>

 #ifndef OPENSSL_NO_SOCK

 #include "apps.h"
 #include "progs.h"
 #include <openssl/x509.h>
 #include <openssl/ssl.h>
 #include <openssl/pem.h>
 #include "s_apps.h"
 #include <openssl/err.h>
 #include "internal/sockets.h"
 #if !defined(OPENSSL_SYS_MSDOS)
 # include <unistd.h>
 #endif

 #define SSL_CONNECT_NAME        "localhost:4433"

 #define SECONDS 30
 #define SECONDSSTR "30"

 static SSL *doConnection(SSL *scon, const char *host, SSL_CTX *ctx);

 /*
  * Define a HTTP get command globally.
  * Also define the size of the command, this is two bytes less than
  * the size of the string because the %s is replaced by the URL.
  */
 static const char fmt_http_get_cmd[] = "GET %s HTTP/1.0\r\n\r\n";
 static const size_t fmt_http_get_cmd_size = sizeof(fmt_http_get_cmd) - 2;

 typedef enum OPTION_choice {
     OPT_COMMON,
     OPT_CONNECT, OPT_CIPHER, OPT_CIPHERSUITES, OPT_CERT, OPT_NAMEOPT, OPT_KEY,
     OPT_CAPATH, OPT_CAFILE, OPT_CASTORE,
     OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE,
     OPT_NEW, OPT_REUSE, OPT_BUGS, OPT_VERIFY, OPT_TIME, OPT_SSL3,
     OPT_WWW, OPT_TLS1, OPT_TLS1_1, OPT_TLS1_2, OPT_TLS1_3,
     OPT_PROV_ENUM
 } OPTION_CHOICE;

 const OPTIONS s_time_options[] = {
     OPT_SECTION("General"),
     {"help", OPT_HELP, '-', "Display this summary"},

     OPT_SECTION("Connection"),
     {"connect", OPT_CONNECT, 's',
      "Where to connect as post:port (default is " SSL_CONNECT_NAME ")"},
     {"new", OPT_NEW, '-', "Just time new connections"},
     {"reuse", OPT_REUSE, '-', "Just time connection reuse"},
     {"bugs", OPT_BUGS, '-', "Turn on SSL bug compatibility"},
     {"cipher", OPT_CIPHER, 's', "TLSv1.2 and below cipher list to be used"},
     {"ciphersuites", OPT_CIPHERSUITES, 's',
      "Specify TLSv1.3 ciphersuites to be used"},
 #ifndef OPENSSL_NO_SSL3
     {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
 #endif
 #ifndef OPENSSL_NO_TLS1
     {"tls1", OPT_TLS1, '-', "Just use TLSv1.0"},
 #endif
 #ifndef OPENSSL_NO_TLS1_1
     {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
 #endif
 #ifndef OPENSSL_NO_TLS1_2
     {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
 #endif
 #ifndef OPENSSL_NO_TLS1_3
     {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
 #endif
     {"verify", OPT_VERIFY, 'p',
      "Turn on peer certificate verification, set depth"},
     {"time", OPT_TIME, 'p', "Seconds to collect data, default " SECONDSSTR},
     {"www", OPT_WWW, 's', "Fetch specified page from the site"},

     OPT_SECTION("Certificate"),
     {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
     {"cert", OPT_CERT, '<', "Cert file to use, PEM format assumed"},
     {"key", OPT_KEY, '<', "File with key, PEM; default is -cert file"},
     {"cafile", OPT_CAFILE, '<', "PEM format file of CA's"},
     {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
     {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
     {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
     {"no-CAfile", OPT_NOCAFILE, '-',
      "Do not load the default certificates file"},
     {"no-CApath", OPT_NOCAPATH, '-',
      "Do not load certificates from the default certificates directory"},
     {"no-CAstore", OPT_NOCASTORE, '-',
      "Do not load certificates from the default certificates store URI"},

     OPT_PROV_OPTIONS,
     {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, *CAstore = NULL;
     char *cipher = NULL, *ciphersuites = NULL;
     char *www_path = NULL;
     char *host = SSL_CONNECT_NAME, *certfile = NULL, *keyfile = NULL, *prog;
     double totalTime = 0.0;
     int noCApath = 0, noCAfile = 0, noCAstore = 0;
     int maxtime = SECONDS, nConn = 0, perform = 3, ret = 1, i, st_bugs = 0;
     long bytes_read = 0, finishtime = 0;
     OPTION_CHOICE o;
     int min_version = 0, max_version = 0, ver, buf_len, fd;
     size_t buf_size;

     meth = TLS_client_method();

     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:
             verify_args.depth = opt_int_arg();
             BIO_printf(bio_err, "%s: verify depth is %d\n",
                        prog, verify_args.depth);
             break;
         case OPT_CERT:
             certfile = opt_arg();
             break;
         case OPT_NAMEOPT:
             if (!set_nameopt(opt_arg()))
                 goto end;
             break;
         case OPT_KEY:
             keyfile = opt_arg();
             break;
         case OPT_CAPATH:
             CApath = opt_arg();
             break;
         case OPT_CAFILE:
             CAfile = opt_arg();
             break;
         case OPT_NOCAPATH:
             noCApath = 1;
             break;
         case OPT_NOCAFILE:
             noCAfile = 1;
             break;
         case OPT_CASTORE:
             CAstore = opt_arg();
             break;
         case OPT_NOCASTORE:
             noCAstore = 1;
             break;
         case OPT_CIPHER:
             cipher = opt_arg();
             break;
         case OPT_CIPHERSUITES:
             ciphersuites = opt_arg();
             break;
         case OPT_BUGS:
             st_bugs = 1;
             break;
         case OPT_TIME:
             maxtime = opt_int_arg();
             break;
         case OPT_WWW:
             www_path = opt_arg();
             buf_size = strlen(www_path) + fmt_http_get_cmd_size;
             if (buf_size > sizeof(buf)) {
                 BIO_printf(bio_err, "%s: -www option is too long\n", prog);
                 goto end;
             }
             break;
         case OPT_SSL3:
             min_version = SSL3_VERSION;
             max_version = SSL3_VERSION;
             break;
         case OPT_TLS1:
             min_version = TLS1_VERSION;
             max_version = TLS1_VERSION;
             break;
         case OPT_TLS1_1:
             min_version = TLS1_1_VERSION;
             max_version = TLS1_1_VERSION;
             break;
         case OPT_TLS1_2:
             min_version = TLS1_2_VERSION;
             max_version = TLS1_2_VERSION;
             break;
         case OPT_TLS1_3:
             min_version = TLS1_3_VERSION;
             max_version = TLS1_3_VERSION;
             break;
         case OPT_PROV_CASES:
             if (!opt_provider(o))
                 goto end;
             break;
         }
     }

     /* No extra arguments. */
     argc = opt_num_rest();
     if (argc != 0)
         goto opthelp;

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

     if ((ctx = SSL_CTX_new(meth)) == NULL)
         goto end;

     SSL_CTX_set_quiet_shutdown(ctx, 1);
     if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
         goto end;
     if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
         goto end;

     if (st_bugs)
         SSL_CTX_set_options(ctx, SSL_OP_ALL);
     if (cipher != NULL && !SSL_CTX_set_cipher_list(ctx, cipher))
         goto end;
     if (ciphersuites != NULL && !SSL_CTX_set_ciphersuites(ctx, ciphersuites))
         goto end;
     if (!set_cert_stuff(ctx, certfile, keyfile))
         goto end;

     if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
                                   CAstore, noCAstore)) {
         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;

         if ((scon = doConnection(NULL, host, ctx)) == NULL)
             goto end;

         if (www_path != NULL) {
             buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd,
                                    www_path);
             if (buf_len <= 0 || SSL_write(scon, buf, buf_len) <= 0)
                 goto end;
             while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
                 bytes_read += i;
         }
         SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
         BIO_closesocket(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,
          nConn > 0 ? bytes_read / nConn : 0l);

     /*
      * 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) {
         BIO_printf(bio_err, "Unable to get connection\n");
         goto end;
     }

     if (www_path != NULL) {
         buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd, www_path);
         if (buf_len <= 0 || SSL_write(scon, buf, buf_len) <= 0)
             goto end;
         while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
             continue;
     }
     SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
     if ((fd = SSL_get_fd(scon)) >= 0)
         BIO_closesocket(fd);

     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;

         if ((doConnection(scon, host, ctx)) == NULL)
             goto end;

         if (www_path != NULL) {
             buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd,
                                    www_path);
             if (buf_len <= 0 || SSL_write(scon, buf, buf_len) <= 0)
                 goto end;
             while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
                 bytes_read += i;
         }
         SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
         if ((fd = SSL_get_fd(scon)) >= 0)
             BIO_closesocket(fd);

         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);
     if (nConn > 0)
         printf
             ("%d connections in %ld real seconds, %ld bytes read per connection\n",
              nConn, (long)time(NULL) - finishtime + maxtime, bytes_read / nConn);
     else
         printf("0 connections in %ld real seconds\n",
                (long)time(NULL) - finishtime + maxtime);
     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 i;

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

     if (BIO_set_conn_hostname(conn, host) <= 0
             || BIO_set_conn_mode(conn, BIO_SOCK_NODELAY) <= 0) {
         BIO_free(conn);
         return NULL;
     }

     if (scon == NULL) {
         serverCon = SSL_new(ctx);
         if (serverCon == NULL) {
             BIO_free(conn);
             return NULL;
         }
     } else {
         serverCon = scon;
         SSL_set_connect_state(serverCon);
     }

     SSL_set_bio(serverCon, conn, conn);

     /* ok, lets connect */
     i = SSL_connect(serverCon);
     if (i <= 0) {
         BIO_printf(bio_err, "ERROR\n");
         if (verify_args.error != X509_V_OK)
             BIO_printf(bio_err, "verify error:%s\n",
                        X509_verify_cert_error_string(verify_args.error));
         else
             ERR_print_errors(bio_err);
         if (scon == NULL)
             SSL_free(serverCon);
         return NULL;
     }

 #if defined(SOL_SOCKET) && defined(SO_LINGER)
     {
         struct linger no_linger;
         int fd;

         no_linger.l_onoff  = 1;
         no_linger.l_linger = 0;
         fd = SSL_get_fd(serverCon);
         if (fd >= 0)
             (void)setsockopt(fd, SOL_SOCKET, SO_LINGER, (char*)&no_linger,
                              sizeof(no_linger));
     }
 #endif

     return serverCon;
 }
 #endif /* OPENSSL_NO_SOCK */
	/*
	* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
	*
	* Licensed under the Apache License 2.0 (the "License"). You may not use
	* this file except in compliance with the License. You can obtain a copy
	* in the file LICENSE in the source distribution or at
	* https://www.openssl.org/source/license.html
	*/

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

	#include <openssl/opensslconf.h>

	#ifndef OPENSSL_NO_SOCK

	#include "apps.h"
	#include "progs.h"
	#include <openssl/x509.h>
	#include <openssl/ssl.h>
	#include <openssl/pem.h>
	#include "s_apps.h"
	#include <openssl/err.h>
	#include "internal/sockets.h"
	#if !defined(OPENSSL_SYS_MSDOS)
	# include <unistd.h>
	#endif

	#define SSL_CONNECT_NAME "localhost:4433"

	#define SECONDS 30
	#define SECONDSSTR "30"

	static SSL doConnection(SSL scon, const char host, SSL_CTX ctx);

	/*
	* Define a HTTP get command globally.
	* Also define the size of the command, this is two bytes less than
	* the size of the string because the %s is replaced by the URL.
	*/
	static const char fmt_http_get_cmd[] = "GET %s HTTP/1.0\r\n\r\n";
	static const size_t fmt_http_get_cmd_size = sizeof(fmt_http_get_cmd) - 2;

	typedef enum OPTION_choice {
	OPT_COMMON,
	OPT_CONNECT, OPT_CIPHER, OPT_CIPHERSUITES, OPT_CERT, OPT_NAMEOPT, OPT_KEY,
	OPT_CAPATH, OPT_CAFILE, OPT_CASTORE,
	OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE,
	OPT_NEW, OPT_REUSE, OPT_BUGS, OPT_VERIFY, OPT_TIME, OPT_SSL3,
	OPT_WWW, OPT_TLS1, OPT_TLS1_1, OPT_TLS1_2, OPT_TLS1_3,
	OPT_PROV_ENUM
	} OPTION_CHOICE;

	const OPTIONS s_time_options[] = {
	OPT_SECTION("General"),
	{"help", OPT_HELP, '-', "Display this summary"},

	OPT_SECTION("Connection"),
	{"connect", OPT_CONNECT, 's',
	"Where to connect as post:port (default is " SSL_CONNECT_NAME ")"},
	{"new", OPT_NEW, '-', "Just time new connections"},
	{"reuse", OPT_REUSE, '-', "Just time connection reuse"},
	{"bugs", OPT_BUGS, '-', "Turn on SSL bug compatibility"},
	{"cipher", OPT_CIPHER, 's', "TLSv1.2 and below cipher list to be used"},
	{"ciphersuites", OPT_CIPHERSUITES, 's',
	"Specify TLSv1.3 ciphersuites to be used"},
	#ifndef OPENSSL_NO_SSL3
	{"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
	#endif
	#ifndef OPENSSL_NO_TLS1
	{"tls1", OPT_TLS1, '-', "Just use TLSv1.0"},
	#endif
	#ifndef OPENSSL_NO_TLS1_1
	{"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
	#endif
	#ifndef OPENSSL_NO_TLS1_2
	{"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
	#endif
	#ifndef OPENSSL_NO_TLS1_3
	{"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
	#endif
	{"verify", OPT_VERIFY, 'p',
	"Turn on peer certificate verification, set depth"},
	{"time", OPT_TIME, 'p', "Seconds to collect data, default " SECONDSSTR},
	{"www", OPT_WWW, 's', "Fetch specified page from the site"},

	OPT_SECTION("Certificate"),
	{"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
	{"cert", OPT_CERT, '<', "Cert file to use, PEM format assumed"},
	{"key", OPT_KEY, '<', "File with key, PEM; default is -cert file"},
	{"cafile", OPT_CAFILE, '<', "PEM format file of CA's"},
	{"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
	{"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
	{"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
	{"no-CAfile", OPT_NOCAFILE, '-',
	"Do not load the default certificates file"},
	{"no-CApath", OPT_NOCAPATH, '-',
	"Do not load certificates from the default certificates directory"},
	{"no-CAstore", OPT_NOCASTORE, '-',
	"Do not load certificates from the default certificates store URI"},

	OPT_PROV_OPTIONS,
	{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, *CAstore = NULL;
	char cipher = NULL, ciphersuites = NULL;
	char *www_path = NULL;
	char host = SSL_CONNECT_NAME, certfile = NULL, keyfile = NULL, prog;
	double totalTime = 0.0;
	int noCApath = 0, noCAfile = 0, noCAstore = 0;
	int maxtime = SECONDS, nConn = 0, perform = 3, ret = 1, i, st_bugs = 0;
	long bytes_read = 0, finishtime = 0;
	OPTION_CHOICE o;
	int min_version = 0, max_version = 0, ver, buf_len, fd;
	size_t buf_size;

	meth = TLS_client_method();

	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:
	verify_args.depth = opt_int_arg();
	BIO_printf(bio_err, "%s: verify depth is %d\n",
	prog, verify_args.depth);
	break;
	case OPT_CERT:
	certfile = opt_arg();
	break;
	case OPT_NAMEOPT:
	if (!set_nameopt(opt_arg()))
	goto end;
	break;
	case OPT_KEY:
	keyfile = opt_arg();
	break;
	case OPT_CAPATH:
	CApath = opt_arg();
	break;
	case OPT_CAFILE:
	CAfile = opt_arg();
	break;
	case OPT_NOCAPATH:
	noCApath = 1;
	break;
	case OPT_NOCAFILE:
	noCAfile = 1;
	break;
	case OPT_CASTORE:
	CAstore = opt_arg();
	break;
	case OPT_NOCASTORE:
	noCAstore = 1;
	break;
	case OPT_CIPHER:
	cipher = opt_arg();
	break;
	case OPT_CIPHERSUITES:
	ciphersuites = opt_arg();
	break;
	case OPT_BUGS:
	st_bugs = 1;
	break;
	case OPT_TIME:
	maxtime = opt_int_arg();
	break;
	case OPT_WWW:
	www_path = opt_arg();
	buf_size = strlen(www_path) + fmt_http_get_cmd_size;
	if (buf_size > sizeof(buf)) {
	BIO_printf(bio_err, "%s: -www option is too long\n", prog);
	goto end;
	}
	break;
	case OPT_SSL3:
	min_version = SSL3_VERSION;
	max_version = SSL3_VERSION;
	break;
	case OPT_TLS1:
	min_version = TLS1_VERSION;
	max_version = TLS1_VERSION;
	break;
	case OPT_TLS1_1:
	min_version = TLS1_1_VERSION;
	max_version = TLS1_1_VERSION;
	break;
	case OPT_TLS1_2:
	min_version = TLS1_2_VERSION;
	max_version = TLS1_2_VERSION;
	break;
	case OPT_TLS1_3:
	min_version = TLS1_3_VERSION;
	max_version = TLS1_3_VERSION;
	break;
	case OPT_PROV_CASES:
	if (!opt_provider(o))
	goto end;
	break;
	}
	}

	/* No extra arguments. */
	argc = opt_num_rest();
	if (argc != 0)
	goto opthelp;

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

	if ((ctx = SSL_CTX_new(meth)) == NULL)
	goto end;

	SSL_CTX_set_quiet_shutdown(ctx, 1);
	if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
	goto end;
	if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
	goto end;

	if (st_bugs)
	SSL_CTX_set_options(ctx, SSL_OP_ALL);
	if (cipher != NULL && !SSL_CTX_set_cipher_list(ctx, cipher))
	goto end;
	if (ciphersuites != NULL && !SSL_CTX_set_ciphersuites(ctx, ciphersuites))
	goto end;
	if (!set_cert_stuff(ctx, certfile, keyfile))
	goto end;

	if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
	CAstore, noCAstore)) {
	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;

	if ((scon = doConnection(NULL, host, ctx)) == NULL)
	goto end;

	if (www_path != NULL) {
	buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd,
	www_path);
	if (buf_len <= 0 \|\| SSL_write(scon, buf, buf_len) <= 0)
	goto end;
	while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
	bytes_read += i;
	}
	SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN \| SSL_RECEIVED_SHUTDOWN);
	BIO_closesocket(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,
	nConn > 0 ? bytes_read / nConn : 0l);

	/*
	* 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) {
	BIO_printf(bio_err, "Unable to get connection\n");
	goto end;
	}

	if (www_path != NULL) {
	buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd, www_path);
	if (buf_len <= 0 \|\| SSL_write(scon, buf, buf_len) <= 0)
	goto end;
	while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
	continue;
	}
	SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN \| SSL_RECEIVED_SHUTDOWN);
	if ((fd = SSL_get_fd(scon)) >= 0)
	BIO_closesocket(fd);

	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;

	if ((doConnection(scon, host, ctx)) == NULL)
	goto end;

	if (www_path != NULL) {
	buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd,
	www_path);
	if (buf_len <= 0 \|\| SSL_write(scon, buf, buf_len) <= 0)
	goto end;
	while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
	bytes_read += i;
	}
	SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN \| SSL_RECEIVED_SHUTDOWN);
	if ((fd = SSL_get_fd(scon)) >= 0)
	BIO_closesocket(fd);

	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);
	if (nConn > 0)
	printf
	("%d connections in %ld real seconds, %ld bytes read per connection\n",
	nConn, (long)time(NULL) - finishtime + maxtime, bytes_read / nConn);
	else
	printf("0 connections in %ld real seconds\n",
	(long)time(NULL) - finishtime + maxtime);
	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 i;

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

	if (BIO_set_conn_hostname(conn, host) <= 0
	\|\| BIO_set_conn_mode(conn, BIO_SOCK_NODELAY) <= 0) {
	BIO_free(conn);
	return NULL;
	}

	if (scon == NULL) {
	serverCon = SSL_new(ctx);
	if (serverCon == NULL) {
	BIO_free(conn);
	return NULL;
	}
	} else {
	serverCon = scon;
	SSL_set_connect_state(serverCon);
	}

	SSL_set_bio(serverCon, conn, conn);

	/* ok, lets connect */
	i = SSL_connect(serverCon);
	if (i <= 0) {
	BIO_printf(bio_err, "ERROR\n");
	if (verify_args.error != X509_V_OK)
	BIO_printf(bio_err, "verify error:%s\n",
	X509_verify_cert_error_string(verify_args.error));
	else
	ERR_print_errors(bio_err);
	if (scon == NULL)
	SSL_free(serverCon);
	return NULL;
	}

	#if defined(SOL_SOCKET) && defined(SO_LINGER)
	{
	struct linger no_linger;
	int fd;

	no_linger.l_onoff = 1;
	no_linger.l_linger = 0;
	fd = SSL_get_fd(serverCon);
	if (fd >= 0)
	(void)setsockopt(fd, SOL_SOCKET, SO_LINGER, (char*)&no_linger,
	sizeof(no_linger));
	}
	#endif

	return serverCon;
	}
	#endif /* OPENSSL_NO_SOCK */