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ssltest.c

/* ssl/ssltest.c */
/* 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.]
 */
/* ====================================================================
 * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
 *
 * 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 above 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 acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    openssl-core@openssl.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED 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 OpenSSL PROJECT OR
 * ITS 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.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */
/* ====================================================================
 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 * ECC cipher suite support in OpenSSL originally developed by 
 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 */

#define _BSD_SOURCE 1         /* Or gethostname won't be declared properly
                           on Linux and GNU platforms. */

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

#define USE_SOCKETS
#include "e_os.h"

#define _XOPEN_SOURCE 500     /* Or isascii won't be declared properly on
                           VMS (at least with DECompHP C).  */
#include <ctype.h>

#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/ssl.h>
#ifndef OPENSSL_NO_ENGINE
#include <openssl/engine.h>
#endif
#include <openssl/err.h>
#include <openssl/rand.h>
#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#endif
#ifndef OPENSSL_NO_DSA
#include <openssl/dsa.h>
#endif
#ifndef OPENSSL_NO_DH
#include <openssl/dh.h>
#endif
#include <openssl/bn.h>

#define _XOPEN_SOURCE_EXTENDED      1 /* Or gethostname won't be declared properly
                             on Compaq platforms (at least with DEC C).
                             Do not try to put it earlier, or IPv6 includes
                             get screwed...
                          */

#ifdef OPENSSL_SYS_WINDOWS
#include <winsock.h>
#else
#include OPENSSL_UNISTD
#endif

#ifdef OPENSSL_SYS_VMS
#  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
#  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
#elif defined(OPENSSL_SYS_WINCE)
#  define TEST_SERVER_CERT "\\OpenSSL\\server.pem"
#  define TEST_CLIENT_CERT "\\OpenSSL\\client.pem"
#elif defined(OPENSSL_SYS_NETWARE)
#  define TEST_SERVER_CERT "\\openssl\\apps\\server.pem"
#  define TEST_CLIENT_CERT "\\openssl\\apps\\client.pem"
#else
#  define TEST_SERVER_CERT "../apps/server.pem"
#  define TEST_CLIENT_CERT "../apps/client.pem"
#endif

/* There is really no standard for this, so let's assign some tentative
   numbers.  In any case, these numbers are only for this test */
#define COMP_RLE  255
#define COMP_ZLIB 1

static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
#ifndef OPENSSL_NO_RSA
static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
static void free_tmp_rsa(void);
#endif
static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg);
#define APP_CALLBACK_STRING "Test Callback Argument"
struct app_verify_arg
      {
      char *string;
      int app_verify;
      int allow_proxy_certs;
      char *proxy_auth;
      char *proxy_cond;
      };

#ifndef OPENSSL_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 int do_test_cipherlist(void);
static void sv_usage(void)
      {
      fprintf(stderr,"usage: ssltest [args ...]\n");
      fprintf(stderr,"\n");
#ifdef OPENSSL_FIPS
      fprintf(stderr,"-F             - run test in FIPS mode\n");
#endif
      fprintf(stderr," -server_auth  - check server certificate\n");
      fprintf(stderr," -client_auth  - do client authentication\n");
      fprintf(stderr," -proxy        - allow proxy certificates\n");
      fprintf(stderr," -proxy_auth <val> - set proxy policy rights\n");
      fprintf(stderr," -proxy_cond <val> - experssion to test proxy policy rights\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 OPENSSL_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 OPENSSL_NO_ECDH
      fprintf(stderr," -no_ecdhe     - disable ECDHE\n");
#endif
#ifndef OPENSSL_NO_SSL2
      fprintf(stderr," -ssl2         - use SSLv2\n");
#endif
#ifndef OPENSSL_NO_SSL3
      fprintf(stderr," -ssl3         - use SSLv3\n");
#endif
#ifndef OPENSSL_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");
      fprintf(stderr," -zlib         - use zlib compression\n");
      fprintf(stderr," -rle          - use rle compression\n");
#ifndef OPENSSL_NO_ECDH
      fprintf(stderr," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
                     "                 Use \"openssl ecparam -list_curves\" for all names\n"  \
                     "                 (default is sect163r2).\n");
#endif
      fprintf(stderr," -test_cipherlist - verifies the order of the ssl cipher lists\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 OPENSSL_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 OPENSSL_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");
      }

static void lock_dbg_cb(int mode, int type, const char *file, int line)
      {
      static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
      const char *errstr = NULL;
      int rw;
      
      rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
      if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
            {
            errstr = "invalid mode";
            goto err;
            }

      if (type < 0 || type >= CRYPTO_NUM_LOCKS)
            {
            errstr = "type out of bounds";
            goto err;
            }

      if (mode & CRYPTO_LOCK)
            {
            if (modes[type])
                  {
                  errstr = "already locked";
                  /* must not happen in a single-threaded program
                   * (would deadlock) */
                  goto err;
                  }

            modes[type] = rw;
            }
      else if (mode & CRYPTO_UNLOCK)
            {
            if (!modes[type])
                  {
                  errstr = "not locked";
                  goto err;
                  }
            
            if (modes[type] != rw)
                  {
                  errstr = (rw == CRYPTO_READ) ?
                        "CRYPTO_r_unlock on write lock" :
                        "CRYPTO_w_unlock on read lock";
                  }

            modes[type] = 0;
            }
      else
            {
            errstr = "invalid mode";
            goto err;
            }

 err:
      if (errstr)
            {
            /* we cannot use bio_err here */
            fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
                  errstr, mode, type, file, line);
            }
      }


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;
      struct app_verify_arg app_verify_arg =
            { APP_CALLBACK_STRING, 0, 0, NULL, NULL };
      char *server_cert=TEST_SERVER_CERT;
      char *server_key=NULL;
      char *client_cert=TEST_CLIENT_CERT;
      char *client_key=NULL;
#ifndef OPENSSL_NO_ECDH
      char *named_curve = NULL;
#endif
      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=256L;
#ifndef OPENSSL_NO_DH
      DH *dh;
      int dhe1024 = 1, dhe1024dsa = 0;
#endif
#ifndef OPENSSL_NO_ECDH
      EC_KEY *ecdh = NULL;
#endif
      int no_dhe = 0;
      int no_ecdhe = 0;
      int print_time = 0;
      clock_t s_time = 0, c_time = 0;
      int comp = 0;
#ifndef OPENSSL_NO_COMP
      COMP_METHOD *cm = NULL;
#endif
      STACK_OF(SSL_COMP) *ssl_comp_methods = NULL;
      int test_cipherlist = 0;
#ifdef OPENSSL_FIPS
      int fips_mode=0;
#endif

      verbose = 0;
      debug = 0;
      cipher = 0;

      bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);   

      CRYPTO_set_locking_callback(lock_dbg_cb);

      /* enable memory leak checking unless explicitly disabled */
      if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
            {
            CRYPTO_malloc_debug_init();
            CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
            }
      else
            {
            /* OPENSSL_DEBUG_MEMORY=off */
            CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
            }
      CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);

      RAND_seed(rnd_seed, sizeof rnd_seed);

      bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);

      argc--;
      argv++;

      while (argc >= 1)
            {
            if(!strcmp(*argv,"-F"))
                  {
#ifdef OPENSSL_FIPS
                  fips_mode=1;
#else
                  fprintf(stderr,"not compiled with FIPS support, so exitting without running.\n");
                  EXIT(0);
#endif
                  }
            else if     (strcmp(*argv,"-server_auth") == 0)
                  server_auth=1;
            else if     (strcmp(*argv,"-client_auth") == 0)
                  client_auth=1;
            else if (strcmp(*argv,"-proxy_auth") == 0)
                  {
                  if (--argc < 1) goto bad;
                  app_verify_arg.proxy_auth= *(++argv);
                  }
            else if (strcmp(*argv,"-proxy_cond") == 0)
                  {
                  if (--argc < 1) goto bad;
                  app_verify_arg.proxy_cond= *(++argv);
                  }
            else if     (strcmp(*argv,"-v") == 0)
                  verbose=1;
            else if     (strcmp(*argv,"-d") == 0)
                  debug=1;
            else if     (strcmp(*argv,"-reuse") == 0)
                  reuse=1;
            else if     (strcmp(*argv,"-dhe1024") == 0)
                  {
#ifndef OPENSSL_NO_DH
                  dhe1024=1;
#else
                  fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
#endif
                  }
            else if     (strcmp(*argv,"-dhe1024dsa") == 0)
                  {
#ifndef OPENSSL_NO_DH
                  dhe1024dsa=1;
#else
                  fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
#endif
                  }
            else if     (strcmp(*argv,"-no_dhe") == 0)
                  no_dhe=1;
            else if     (strcmp(*argv,"-no_ecdhe") == 0)
                  no_ecdhe=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 if     (strcmp(*argv,"-zlib") == 0)
                  {
                  comp = COMP_ZLIB;
                  }
            else if     (strcmp(*argv,"-rle") == 0)
                  {
                  comp = COMP_RLE;
                  }
            else if     (strcmp(*argv,"-named_curve") == 0)
                  {
                  if (--argc < 1) goto bad;
#ifndef OPENSSL_NO_ECDH       
                  named_curve = *(++argv);
#else
                  fprintf(stderr,"ignoring -named_curve, since I'm compiled without ECDH\n");
                  ++argv;
#endif
                  }
            else if     (strcmp(*argv,"-app_verify") == 0)
                  {
                  app_verify_arg.app_verify = 1;
                  }
            else if     (strcmp(*argv,"-proxy") == 0)
                  {
                  app_verify_arg.allow_proxy_certs = 1;
                  }
            else if (strcmp(*argv,"-test_cipherlist") == 0)
                  {
                  test_cipherlist = 1;
                  }
            else
                  {
                  fprintf(stderr,"unknown option %s\n",*argv);
                  badop=1;
                  break;
                  }
            argc--;
            argv++;
            }
      if (badop)
            {
bad:
            sv_usage();
            goto end;
            }

      if (test_cipherlist == 1)
            {
            /* ensure that the cipher list are correctly sorted and exit */
            if (do_test_cipherlist() == 0)
                  EXIT(1);
            ret = 0;
            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);
            }

#ifdef OPENSSL_FIPS
      if(fips_mode)
            {
            if(!FIPS_mode_set(1))
                  {
                  ERR_load_crypto_strings();
                  ERR_print_errors(BIO_new_fp(stderr,BIO_NOCLOSE));
                  EXIT(1);
                  }
            else
                  fprintf(stderr,"*** IN FIPS MODE ***\n");
            }
#endif

      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();

#ifndef OPENSSL_NO_COMP
      if (comp == COMP_ZLIB) cm = COMP_zlib();
      if (comp == COMP_RLE) cm = COMP_rle();
      if (cm != NULL)
            {
            if (cm->type != NID_undef)
                  {
                  if (SSL_COMP_add_compression_method(comp, cm) != 0)
                        {
                        fprintf(stderr,
                              "Failed to add compression method\n");
                        ERR_print_errors_fp(stderr);
                        }
                  }
            else
                  {
                  fprintf(stderr,
                        "Warning: %s compression not supported\n",
                        (comp == COMP_RLE ? "rle" :
                              (comp == COMP_ZLIB ? "zlib" :
                                    "unknown")));
                  ERR_print_errors_fp(stderr);
                  }
            }
      ssl_comp_methods = SSL_COMP_get_compression_methods();
      fprintf(stderr, "Available compression methods:\n");
      {
      int j, n = sk_SSL_COMP_num(ssl_comp_methods);
      if (n == 0)
            fprintf(stderr, "  NONE\n");
      else
            for (j = 0; j < n; j++)
                  {
                  SSL_COMP *c = sk_SSL_COMP_value(ssl_comp_methods, j);
                  fprintf(stderr, "  %d: %s\n", c->id, c->name);
                  }
      }
#endif

#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_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 OPENSSL_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 OPENSSL_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 OPENSSL_NO_ECDH
      if (!no_ecdhe)
            {
            int nid;

            if (named_curve != NULL)
                  {
                  nid = OBJ_sn2nid(named_curve);
                  if (nid == 0)
                  {
                        BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve);
                        goto end;
                        }
                  }
            else
                  nid = NID_sect163r2;

            ecdh = EC_KEY_new_by_curve_name(nid);
            if (ecdh == NULL)
                  {
                  BIO_printf(bio_err, "unable to create curve\n");
                  goto end;
                  }

            SSL_CTX_set_tmp_ecdh(s_ctx, ecdh);
            SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_ECDH_USE);
            EC_KEY_free(ecdh);
            }
#else
      (void)no_ecdhe;
#endif

#ifndef OPENSSL_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)))
            {
            /* fprintf(stderr,"SSL_load_verify_locations\n"); */
            ERR_print_errors(bio_err);
            /* goto end; */
            }

      if (client_auth)
            {
            BIO_printf(bio_err,"client authentication\n");
            SSL_CTX_set_verify(s_ctx,
                  SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
                  verify_callback);
            SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, &app_verify_arg);
            }
      if (server_auth)
            {
            BIO_printf(bio_err,"server authentication\n");
            SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
                  verify_callback);
            SSL_CTX_set_cert_verify_callback(c_ctx, app_verify_callback, &app_verify_arg);
            }
      
      {
            int session_id_context = 0;
            SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
      }

      c_ssl=SSL_new(c_ctx);
      s_ssl=SSL_new(s_ctx);

#ifndef OPENSSL_NO_KRB5
      if (c_ssl  &&  c_ssl->kssl_ctx)
                {
                char    localhost[MAXHOSTNAMELEN+2];

            if (gethostname(localhost, sizeof localhost-1) == 0)
                        {
                  localhost[sizeof localhost-1]='\0';
                  if(strlen(localhost) == sizeof localhost-1)
                        {
                        BIO_printf(bio_err,"localhost name too long\n");
                        goto end;
                        }
                  kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
                                localhost);
                  }
            }
#endif    /* OPENSSL_NO_KRB5  */

      for (i=0; i<number; i++)
            {
            if (!reuse) SSL_set_session(c_ssl,NULL);
            if (bio_pair)
                  ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
            else
                  ret=doit(s_ssl,c_ssl,bytes);
            }

      if (!verbose)
            {
            print_details(c_ssl, "");
            }
      if ((number > 1) || (bytes > 1L))
            BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
      if (print_time)
            {
#ifdef CLOCKS_PER_SEC
            /* "To determine the time in seconds, the value returned
             * by the clock function should be divided by the value
             * of the macro CLOCKS_PER_SEC."
             *                                       -- ISO/IEC 9899 */
            BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
                  "Approximate total client time: %6.2f s\n",
                  (double)s_time/CLOCKS_PER_SEC,
                  (double)c_time/CLOCKS_PER_SEC);
#else
            /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
             *                            -- cc on NeXTstep/OpenStep */
            BIO_printf(bio_stdout,
                  "Approximate total server time: %6.2f units\n"
                  "Approximate total client time: %6.2f units\n",
                  (double)s_time,
                  (double)c_time);
#endif
            }

      SSL_free(s_ssl);
      SSL_free(c_ssl);

end:
      if (s_ctx != NULL) SSL_CTX_free(s_ctx);
      if (c_ctx != NULL) SSL_CTX_free(c_ctx);

      if (bio_stdout != NULL) BIO_free(bio_stdout);

#ifndef OPENSSL_NO_RSA
      free_tmp_rsa();
#endif
#ifndef OPENSSL_NO_ENGINE
      ENGINE_cleanup();
#endif
      CRYPTO_cleanup_all_ex_data();
      ERR_free_strings();
      ERR_remove_state(0);
      EVP_cleanup();
      CRYPTO_mem_leaks(bio_err);
      if (bio_err != NULL) BIO_free(bio_err);
      EXIT(ret);
      return ret;
      }

int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
      clock_t *s_time, clock_t *c_time)
      {
      long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
      BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
      BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
      int ret = 1;
      
      size_t bufsiz = 256; /* small buffer for testing */

      if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
            goto err;
      if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
            goto err;
      
      s_ssl_bio = BIO_new(BIO_f_ssl());
      if (!s_ssl_bio)
            goto err;

      c_ssl_bio = BIO_new(BIO_f_ssl());
      if (!c_ssl_bio)
            goto err;

      SSL_set_connect_state(c_ssl);
      SSL_set_bio(c_ssl, client, client);
      (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);

      SSL_set_accept_state(s_ssl);
      SSL_set_bio(s_ssl, server, server);
      (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);

      do
            {
            /* c_ssl_bio:          SSL filter BIO
             *
             * client:             pseudo-I/O for SSL library
             *
             * client_io:          client's SSL communication; usually to be
             *                     relayed over some I/O facility, but in this
             *                     test program, we're the server, too:
             *
             * server_io:          server's SSL communication
             *
             * server:             pseudo-I/O for SSL library
             *
             * s_ssl_bio:          SSL filter BIO
             *
             * The client and the server each employ a "BIO pair":
             * client + client_io, server + server_io.
             * BIO pairs are symmetric.  A BIO pair behaves similar
             * to a non-blocking socketpair (but both endpoints must
             * be handled by the same thread).
             * [Here we could connect client and server to the ends
             * of a single BIO pair, but then this code would be less
             * suitable as an example for BIO pairs in general.]
             *
             * Useful functions for querying the state of BIO pair endpoints:
             *
             * BIO_ctrl_pending(bio)              number of bytes we can read now
             * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
             *                                      other side's read attempt
             * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
             *
             * ..._read_request is never more than ..._write_guarantee;
             * it depends on the application which one you should use.
             */

            /* We have non-blocking behaviour throughout this test program, but
             * can be sure that there is *some* progress in each iteration; so
             * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
             * -- we just try everything in each iteration
             */

                  {
                  /* CLIENT */
            
                  MS_STATIC char cbuf[1024*8];
                  int i, r;
                  clock_t c_clock = clock();

                  memset(cbuf, 0, sizeof(cbuf));

                  if (debug)
                        if (SSL_in_init(c_ssl))
                              printf("client waiting in SSL_connect - %s\n",
                                    SSL_state_string_long(c_ssl));

                  if (cw_num > 0)
                        {
                        /* Write to server. */
                        
                        if (cw_num > (long)sizeof cbuf)
                              i = sizeof cbuf;
                        else
                              i = (int)cw_num;
                        r = BIO_write(c_ssl_bio, cbuf, i);
                        if (r < 0)
                              {
                              if (!BIO_should_retry(c_ssl_bio))
                                    {
                                    fprintf(stderr,"ERROR in CLIENT\n");
                                    goto err;
                                    }
                              /* BIO_should_retry(...) can just be ignored here.
                               * The library expects us to call BIO_write with
                               * the same arguments again, and that's what we will
                               * do in the next iteration. */
                              }
                        else if (r == 0)
                              {
                              fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
                              goto err;
                              }
                        else
                              {
                              if (debug)
                                    printf("client wrote %d\n", r);
                              cw_num -= r;                        
                              }
                        }

                  if (cr_num > 0)
                        {
                        /* Read from server. */

                        r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
                        if (r < 0)
                              {
                              if (!BIO_should_retry(c_ssl_bio))
                                    {
                                    fprintf(stderr,"ERROR in CLIENT\n");
                                    goto err;
                                    }
                              /* Again, "BIO_should_retry" can be ignored. */
                              }
                        else if (r == 0)
                              {
                              fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
                              goto err;
                              }
                        else
                              {
                              if (debug)
                                    printf("client read %d\n", r);
                              cr_num -= r;
                              }
                        }

                  /* c_time and s_time increments will typically be very small
                   * (depending on machine speed and clock tick intervals),
                   * but sampling over a large number of connections should
                   * result in fairly accurate figures.  We cannot guarantee
                   * a lot, however -- if each connection lasts for exactly
                   * one clock tick, it will be counted only for the client
                   * or only for the server or even not at all.
                   */
                  *c_time += (clock() - c_clock);
                  }

                  {
                  /* SERVER */
            
                  MS_STATIC char sbuf[1024*8];
                  int i, r;
                  clock_t s_clock = clock();

                  memset(sbuf, 0, sizeof(sbuf));

                  if (debug)
                        if (SSL_in_init(s_ssl))
                              printf("server waiting in SSL_accept - %s\n",
                                    SSL_state_string_long(s_ssl));

                  if (sw_num > 0)
                        {
                        /* Write to client. */
                        
                        if (sw_num > (long)sizeof sbuf)
                              i = sizeof sbuf;
                        else
                              i = (int)sw_num;
                        r = BIO_write(s_ssl_bio, sbuf, i);
                        if (r < 0)
                              {
                              if (!BIO_should_retry(s_ssl_bio))
                                    {
                                    fprintf(stderr,"ERROR in SERVER\n");
                                    goto err;
                                    }
                              /* Ignore "BIO_should_retry". */
                              }
                        else if (r == 0)
                              {
                              fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
                              goto err;
                              }
                        else
                              {
                              if (debug)
                                    printf("server wrote %d\n", r);
                              sw_num -= r;                        
                              }
                        }

                  if (sr_num > 0)
                        {
                        /* Read from client. */

                        r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
                        if (r < 0)
                              {
                              if (!BIO_should_retry(s_ssl_bio))
                                    {
                                    fprintf(stderr,"ERROR in SERVER\n");
                                    goto err;
                                    }
                              /* blah, blah */
                              }
                        else if (r == 0)
                              {
                              fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
                              goto err;
                              }
                        else
                              {
                              if (debug)
                                    printf("server read %d\n", r);
                              sr_num -= r;
                              }
                        }

                  *s_time += (clock() - s_clock);
                  }
                  
                  {
                  /* "I/O" BETWEEN CLIENT AND SERVER. */

                  size_t r1, r2;
                  BIO *io1 = server_io, *io2 = client_io;
                  /* we use the non-copying interface for io1
                   * and the standard BIO_write/BIO_read interface for io2
                   */
                  
                  static int prev_progress = 1;
                  int progress = 0;
                  
                  /* io1 to io2 */
                  do
                        {
                        size_t num;
                        int r;

                        r1 = BIO_ctrl_pending(io1);
                        r2 = BIO_ctrl_get_write_guarantee(io2);

                        num = r1;
                        if (r2 < num)
                              num = r2;
                        if (num)
                              {
                              char *dataptr;

                              if (INT_MAX < num) /* yeah, right */
                                    num = INT_MAX;
                              
                              r = BIO_nread(io1, &dataptr, (int)num);
                              assert(r > 0);
                              assert(r <= (int)num);
                              /* possibly r < num (non-contiguous data) */
                              num = r;
                              r = BIO_write(io2, dataptr, (int)num);
                              if (r != (int)num) /* can't happen */
                                    {
                                    fprintf(stderr, "ERROR: BIO_write could not write "
                                          "BIO_ctrl_get_write_guarantee() bytes");
                                    goto err;
                                    }
                              progress = 1;

                              if (debug)
                                    printf((io1 == client_io) ?
                                          "C->S relaying: %d bytes\n" :
                                          "S->C relaying: %d bytes\n",
                                          (int)num);
                              }
                        }
                  while (r1 && r2);

                  /* io2 to io1 */
                  {
                        size_t num;
                        int r;

                        r1 = BIO_ctrl_pending(io2);
                        r2 = BIO_ctrl_get_read_request(io1);
                        /* here we could use ..._get_write_guarantee instead of
                         * ..._get_read_request, but by using the latter
                         * we test restartability of the SSL implementation
                         * more thoroughly */
                        num = r1;
                        if (r2 < num)
                              num = r2;
                        if (num)
                              {
                              char *dataptr;
                              
                              if (INT_MAX < num)
                                    num = INT_MAX;

                              if (num > 1)
                                    --num; /* test restartability even more thoroughly */
                              
                              r = BIO_nwrite0(io1, &dataptr);
                              assert(r > 0);
                              if (r < (int)num)
                                    num = r;
                              r = BIO_read(io2, dataptr, (int)num);
                              if (r != (int)num) /* can't happen */
                                    {
                                    fprintf(stderr, "ERROR: BIO_read could not read "
                                          "BIO_ctrl_pending() bytes");
                                    goto err;
                                    }
                              progress = 1;
                              r = BIO_nwrite(io1, &dataptr, (int)num);
                              if (r != (int)num) /* can't happen */
                                    {
                                    fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
                                          "BIO_nwrite0() bytes");
                                    goto err;
                                    }
                              
                              if (debug)
                                    printf((io2 == client_io) ?
                                          "C->S relaying: %d bytes\n" :
                                          "S->C relaying: %d bytes\n",
                                          (int)num);
                              }
                  } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */

                  if (!progress && !prev_progress)
                        if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
                              {
                              fprintf(stderr, "ERROR: got stuck\n");
                              if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
                                    {
                                    fprintf(stderr, "This can happen for SSL2 because "
                                          "CLIENT-FINISHED and SERVER-VERIFY are written \n"
                                          "concurrently ...");
                                    if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
                                          && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
                                          {
                                          fprintf(stderr, " ok.\n");
                                          goto end;
                                          }
                                    }
                              fprintf(stderr, " ERROR.\n");
                              goto err;
                              }
                  prev_progress = progress;
                  }
            }
      while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);

      if (verbose)
            print_details(c_ssl, "DONE via BIO pair: ");
end:
      ret = 0;

 err:
      ERR_print_errors(bio_err);
      
      if (server)
            BIO_free(server);
      if (server_io)
            BIO_free(server_io);
      if (client)
            BIO_free(client);
      if (client_io)
            BIO_free(client_io);
      if (s_ssl_bio)
            BIO_free(s_ssl_bio);
      if (c_ssl_bio)
            BIO_free(c_ssl_bio);

      return ret;
      }


#define W_READ    1
#define W_WRITE   2
#define C_DONE    1
#define S_DONE    2

int doit(SSL *s_ssl, SSL *c_ssl, long count)
      {
      MS_STATIC char cbuf[1024*8],sbuf[1024*8];
      long cw_num=count,cr_num=count;
      long sw_num=count,sr_num=count;
      int ret=1;
      BIO *c_to_s=NULL;
      BIO *s_to_c=NULL;
      BIO *c_bio=NULL;
      BIO *s_bio=NULL;
      int c_r,c_w,s_r,s_w;
      int c_want,s_want;
      int i,j;
      int done=0;
      int c_write,s_write;
      int do_server=0,do_client=0;

      memset(cbuf,0,sizeof(cbuf));
      memset(sbuf,0,sizeof(sbuf));

      c_to_s=BIO_new(BIO_s_mem());
      s_to_c=BIO_new(BIO_s_mem());
      if ((s_to_c == NULL) || (c_to_s == NULL))
            {
            ERR_print_errors(bio_err);
            goto err;
            }

      c_bio=BIO_new(BIO_f_ssl());
      s_bio=BIO_new(BIO_f_ssl());
      if ((c_bio == NULL) || (s_bio == NULL))
            {
            ERR_print_errors(bio_err);
            goto err;
            }

      SSL_set_connect_state(c_ssl);
      SSL_set_bio(c_ssl,s_to_c,c_to_s);
      BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);

      SSL_set_accept_state(s_ssl);
      SSL_set_bio(s_ssl,c_to_s,s_to_c);
      BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);

      c_r=0; s_r=1;
      c_w=1; s_w=0;
      c_want=W_WRITE;
      s_want=0;
      c_write=1,s_write=0;

      /* We can always do writes */
      for (;;)
            {
            do_server=0;
            do_client=0;

            i=(int)BIO_pending(s_bio);
            if ((i && s_r) || s_w) do_server=1;

            i=(int)BIO_pending(c_bio);
            if ((i && c_r) || c_w) do_client=1;

            if (do_server && debug)
                  {
                  if (SSL_in_init(s_ssl))
                        printf("server waiting in SSL_accept - %s\n",
                              SSL_state_string_long(s_ssl));
/*                else if (s_write)
                        printf("server:SSL_write()\n");
                  else
                        printf("server:SSL_read()\n"); */
                  }

            if (do_client && debug)
                  {
                  if (SSL_in_init(c_ssl))
                        printf("client waiting in SSL_connect - %s\n",
                              SSL_state_string_long(c_ssl));
/*                else if (c_write)
                        printf("client:SSL_write()\n");
                  else
                        printf("client:SSL_read()\n"); */
                  }

            if (!do_client && !do_server)
                  {
                  fprintf(stdout,"ERROR IN STARTUP\n");
                  ERR_print_errors(bio_err);
                  break;
                  }
            if (do_client && !(done & C_DONE))
                  {
                  if (c_write)
                        {
                        j = (cw_num > (long)sizeof(cbuf)) ?
                              (int)sizeof(cbuf) : (int)cw_num;
                        i=BIO_write(c_bio,cbuf,j);
                        if (i < 0)
                              {
                              c_r=0;
                              c_w=0;
                              if (BIO_should_retry(c_bio))
                                    {
                                    if (BIO_should_read(c_bio))
                                          c_r=1;
                                    if (BIO_should_write(c_bio))
                                          c_w=1;
                                    }
                              else
                                    {
                                    fprintf(stderr,"ERROR in CLIENT\n");
                                    ERR_print_errors(bio_err);
                                    goto err;
                                    }
                              }
                        else if (i == 0)
                              {
                              fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
                              goto err;
                              }
                        else
                              {
                              if (debug)
                                    printf("client wrote %d\n",i);
                              /* ok */
                              s_r=1;
                              c_write=0;
                              cw_num-=i;
                              }
                        }
                  else
                        {
                        i=BIO_read(c_bio,cbuf,sizeof(cbuf));
                        if (i < 0)
                              {
                              c_r=0;
                              c_w=0;
                              if (BIO_should_retry(c_bio))
                                    {
                                    if (BIO_should_read(c_bio))
                                          c_r=1;
                                    if (BIO_should_write(c_bio))
                                          c_w=1;
                                    }
                              else
                                    {
                                    fprintf(stderr,"ERROR in CLIENT\n");
                                    ERR_print_errors(bio_err);
                                    goto err;
                                    }
                              }
                        else if (i == 0)
                              {
                              fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
                              goto err;
                              }
                        else
                              {
                              if (debug)
                                    printf("client read %d\n",i);
                              cr_num-=i;
                              if (sw_num > 0)
                                    {
                                    s_write=1;
                                    s_w=1;
                                    }
                              if (cr_num <= 0)
                                    {
                                    s_write=1;
                                    s_w=1;
                                    done=S_DONE|C_DONE;
                                    }
                              }
                        }
                  }

            if (do_server && !(done & S_DONE))
                  {
                  if (!s_write)
                        {
                        i=BIO_read(s_bio,sbuf,sizeof(cbuf));
                        if (i < 0)
                              {
                              s_r=0;
                              s_w=0;
                              if (BIO_should_retry(s_bio))
                                    {
                                    if (BIO_should_read(s_bio))
                                          s_r=1;
                                    if (BIO_should_write(s_bio))
                                          s_w=1;
                                    }
                              else
                                    {
                                    fprintf(stderr,"ERROR in SERVER\n");
                                    ERR_print_errors(bio_err);
                                    goto err;
                                    }
                              }
                        else if (i == 0)
                              {
                              ERR_print_errors(bio_err);
                              fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
                              goto err;
                              }
                        else
                              {
                              if (debug)
                                    printf("server read %d\n",i);
                              sr_num-=i;
                              if (cw_num > 0)
                                    {
                                    c_write=1;
                                    c_w=1;
                                    }
                              if (sr_num <= 0)
                                    {
                                    s_write=1;
                                    s_w=1;
                                    c_write=0;
                                    }
                              }
                        }
                  else
                        {
                        j = (sw_num > (long)sizeof(sbuf)) ?
                              (int)sizeof(sbuf) : (int)sw_num;
                        i=BIO_write(s_bio,sbuf,j);
                        if (i < 0)
                              {
                              s_r=0;
                              s_w=0;
                              if (BIO_should_retry(s_bio))
                                    {
                                    if (BIO_should_read(s_bio))
                                          s_r=1;
                                    if (BIO_should_write(s_bio))
                                          s_w=1;
                                    }
                              else
                                    {
                                    fprintf(stderr,"ERROR in SERVER\n");
                                    ERR_print_errors(bio_err);
                                    goto err;
                                    }
                              }
                        else if (i == 0)
                              {
                              ERR_print_errors(bio_err);
                              fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
                              goto err;
                              }
                        else
                              {
                              if (debug)
                                    printf("server wrote %d\n",i);
                              sw_num-=i;
                              s_write=0;
                              c_r=1;
                              if (sw_num <= 0)
                                    done|=S_DONE;
                              }
                        }
                  }

            if ((done & S_DONE) && (done & C_DONE)) break;
            }

      if (verbose)
            print_details(c_ssl, "DONE: ");
      ret=0;
err:
      /* We have to set the BIO's to NULL otherwise they will be
       * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
       * again when c_ssl is SSL_free()ed.
       * This is a hack required because s_ssl and c_ssl are sharing the same
       * BIO structure and SSL_set_bio() and SSL_free() automatically
       * BIO_free non NULL entries.
       * You should not normally do this or be required to do this */
      if (s_ssl != NULL)
            {
            s_ssl->rbio=NULL;
            s_ssl->wbio=NULL;
            }
      if (c_ssl != NULL)
            {
            c_ssl->rbio=NULL;
            c_ssl->wbio=NULL;
            }

      if (c_to_s != NULL) BIO_free(c_to_s);
      if (s_to_c != NULL) BIO_free(s_to_c);
      if (c_bio != NULL) BIO_free_all(c_bio);
      if (s_bio != NULL) BIO_free_all(s_bio);
      return(ret);
      }

static int get_proxy_auth_ex_data_idx(void)
      {
      static volatile int idx = -1;
      if (idx < 0)
            {
            CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
            if (idx < 0)
                  {
                  idx = X509_STORE_CTX_get_ex_new_index(0,
                        "SSLtest for verify callback", NULL,NULL,NULL);
                  }
            CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
            }
      return idx;
      }

static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
      {
      char *s,buf[256];

      s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,
                      sizeof buf);
      if (s != NULL)
            {
            if (ok)
                  fprintf(stderr,"depth=%d %s\n",
                        ctx->error_depth,buf);
            else
                  {
                  fprintf(stderr,"depth=%d error=%d %s\n",
                        ctx->error_depth,ctx->error,buf);
                  }
            }

      if (ok == 0)
            {
            fprintf(stderr,"Error string: %s\n",
                  X509_verify_cert_error_string(ctx->error));
            switch (ctx->error)
                  {
            case X509_V_ERR_CERT_NOT_YET_VALID:
            case X509_V_ERR_CERT_HAS_EXPIRED:
            case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
                  fprintf(stderr,"  ... ignored.\n");
                  ok=1;
                  }
            }

      if (ok == 1)
            {
            X509 *xs = ctx->current_cert;
#if 0
            X509 *xi = ctx->current_issuer;
#endif

            if (xs->ex_flags & EXFLAG_PROXY)
                  {
                  unsigned int *letters =
                        X509_STORE_CTX_get_ex_data(ctx,
                              get_proxy_auth_ex_data_idx());

                  if (letters)
                        {
                        int found_any = 0;
                        int i;
                        PROXY_CERT_INFO_EXTENSION *pci =
                              X509_get_ext_d2i(xs, NID_proxyCertInfo,
                                    NULL, NULL);

                        switch (OBJ_obj2nid(pci->proxyPolicy->policyLanguage))
                              {
                        case NID_Independent:
                              /* Completely meaningless in this
                                 program, as there's no way to
                                 grant explicit rights to a
                                 specific PrC.  Basically, using
                                 id-ppl-Independent is the perfect
                                 way to grant no rights at all. */
                              fprintf(stderr, "  Independent proxy certificate");
                              for (i = 0; i < 26; i++)
                                    letters[i] = 0;
                              break;
                        case NID_id_ppl_inheritAll:
                              /* This is basically a NOP, we
                                 simply let the current rights
                                 stand as they are. */
                              fprintf(stderr, "  Proxy certificate inherits all");
                              break;
                        default:
                              s = (char *)
                                    pci->proxyPolicy->policy->data;
                              i = pci->proxyPolicy->policy->length;

                              /* The algorithm works as follows:
                                 it is assumed that previous
                                 iterations or the initial granted
                                 rights has already set some elements
                                 of `letters'.  What we need to do is
                                 to clear those that weren't granted
                                 by the current PrC as well.  The
                                 easiest way to do this is to add 1
                                 to all the elements whose letters
                                 are given with the current policy.
                                 That way, all elements that are set
                                 by the current policy and were
                                 already set by earlier policies and
                                 through the original grant of rights
                                 will get the value 2 or higher.
                                 The last thing to do is to sweep
                                 through `letters' and keep the
                                 elements having the value 2 as set,
                                 and clear all the others. */

                              fprintf(stderr, "  Certificate proxy rights = %*.*s", i, i, s);
                              while(i-- > 0)
                                    {
                                    int c = *s++;
                                    if (isascii(c) && isalpha(c))
                                          {
                                          if (islower(c))
                                                c = toupper(c);
                                          letters[c - 'A']++;
                                          }
                                    }
                              for (i = 0; i < 26; i++)
                                    if (letters[i] < 2)
                                          letters[i] = 0;
                                    else
                                          letters[i] = 1;
                              }

                        found_any = 0;
                        fprintf(stderr,
                              ", resulting proxy rights = ");
                        for(i = 0; i < 26; i++)
                              if (letters[i])
                                    {
                                    fprintf(stderr, "%c", i + 'A');
                                    found_any = 1;
                                    }
                        if (!found_any)
                              fprintf(stderr, "none");
                        fprintf(stderr, "\n");

                        PROXY_CERT_INFO_EXTENSION_free(pci);
                        }
                  }
            }

      return(ok);
      }

static void process_proxy_debug(int indent, const char *format, ...)
      {
      static const char indentation[] =
            ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
            ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"; /* That's 80 > */
      char my_format[256];
      va_list args;

      BIO_snprintf(my_format, sizeof(my_format), "%*.*s %s",
            indent, indent, indentation, format);

      va_start(args, format);
      vfprintf(stderr, my_format, args);
      va_end(args);
      }
/* Priority levels:
   0  [!]var, ()
   1  & ^
   2  |
*/
static int process_proxy_cond_adders(unsigned int letters[26],
      const char *cond, const char **cond_end, int *pos, int indent);
static int process_proxy_cond_val(unsigned int letters[26],
      const char *cond, const char **cond_end, int *pos, int indent)
      {
      int c;
      int ok = 1;
      int negate = 0;

      while(isspace((int)*cond))
            {
            cond++; (*pos)++;
            }
      c = *cond;

      if (debug)
            process_proxy_debug(indent,
                  "Start process_proxy_cond_val at position %d: %s\n",
                  *pos, cond);

      while(c == '!')
            {
            negate = !negate;
            cond++; (*pos)++;
            while(isspace((int)*cond))
                  {
                  cond++; (*pos)++;
                  }
            c = *cond;
            }

      if (c == '(')
            {
            cond++; (*pos)++;
            ok = process_proxy_cond_adders(letters, cond, cond_end, pos,
                  indent + 1);
            cond = *cond_end;
            if (ok < 0)
                  goto end;
            while(isspace((int)*cond))
                  {
                  cond++; (*pos)++;
                  }
            c = *cond;
            if (c != ')')
                  {
                  fprintf(stderr,
                        "Weird condition character in position %d: "
                        "%c\n", *pos, c);
                  ok = -1;
                  goto end;
                  }
            cond++; (*pos)++;
            }
      else if (isascii(c) && isalpha(c))
            {
            if (islower(c))
                  c = toupper(c);
            ok = letters[c - 'A'];
            cond++; (*pos)++;
            }
      else
            {
            fprintf(stderr,
                  "Weird condition character in position %d: "
                  "%c\n", *pos, c);
            ok = -1;
            goto end;
            }
 end:
      *cond_end = cond;
      if (ok >= 0 && negate)
            ok = !ok;

      if (debug)
            process_proxy_debug(indent,
                  "End process_proxy_cond_val at position %d: %s, returning %d\n",
                  *pos, cond, ok);

      return ok;
      }
static int process_proxy_cond_multipliers(unsigned int letters[26],
      const char *cond, const char **cond_end, int *pos, int indent)
      {
      int ok;
      char c;

      if (debug)
            process_proxy_debug(indent,
                  "Start process_proxy_cond_multipliers at position %d: %s\n",
                  *pos, cond);

      ok = process_proxy_cond_val(letters, cond, cond_end, pos, indent + 1);
      cond = *cond_end;
      if (ok < 0)
            goto end;

      while(ok >= 0)
            {
            while(isspace((int)*cond))
                  {
                  cond++; (*pos)++;
                  }
            c = *cond;

            switch(c)
                  {
            case '&':
            case '^':
                  {
                  int save_ok = ok;

                  cond++; (*pos)++;
                  ok = process_proxy_cond_val(letters,
                        cond, cond_end, pos, indent + 1);
                  cond = *cond_end;
                  if (ok < 0)
                        break;

                  switch(c)
                        {
                  case '&':
                        ok &= save_ok;
                        break;
                  case '^':
                        ok ^= save_ok;
                        break;
                  default:
                        fprintf(stderr, "SOMETHING IS SERIOUSLY WRONG!"
                              " STOPPING\n");
                        EXIT(1);
                        }
                  }
                  break;
            default:
                  goto end;
                  }
            }
 end:
      if (debug)
            process_proxy_debug(indent,
                  "End process_proxy_cond_multipliers at position %d: %s, returning %d\n",
                  *pos, cond, ok);

      *cond_end = cond;
      return ok;
      }
static int process_proxy_cond_adders(unsigned int letters[26],
      const char *cond, const char **cond_end, int *pos, int indent)
      {
      int ok;
      char c;

      if (debug)
            process_proxy_debug(indent,
                  "Start process_proxy_cond_adders at position %d: %s\n",
                  *pos, cond);

      ok = process_proxy_cond_multipliers(letters, cond, cond_end, pos,
            indent + 1);
      cond = *cond_end;
      if (ok < 0)
            goto end;

      while(ok >= 0)
            {
            while(isspace((int)*cond))
                  {
                  cond++; (*pos)++;
                  }
            c = *cond;

            switch(c)
                  {
            case '|':
                  {
                  int save_ok = ok;

                  cond++; (*pos)++;
                  ok = process_proxy_cond_multipliers(letters,
                        cond, cond_end, pos, indent + 1);
                  cond = *cond_end;
                  if (ok < 0)
                        break;

                  switch(c)
                        {
                  case '|':
                        ok |= save_ok;
                        break;
                  default:
                        fprintf(stderr, "SOMETHING IS SERIOUSLY WRONG!"
                              " STOPPING\n");
                        EXIT(1);
                        }
                  }
                  break;
            default:
                  goto end;
                  }
            }
 end:
      if (debug)
            process_proxy_debug(indent,
                  "End process_proxy_cond_adders at position %d: %s, returning %d\n",
                  *pos, cond, ok);

      *cond_end = cond;
      return ok;
      }

static int process_proxy_cond(unsigned int letters[26],
      const char *cond, const char **cond_end)
      {
      int pos = 1;
      return process_proxy_cond_adders(letters, cond, cond_end, &pos, 1);
      }

static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
      {
      int ok=1;
      struct app_verify_arg *cb_arg = arg;
      unsigned int letters[26]; /* only used with proxy_auth */

      if (cb_arg->app_verify)
            {
            char *s = NULL,buf[256];

            fprintf(stderr, "In app_verify_callback, allowing cert. ");
            fprintf(stderr, "Arg is: %s\n", cb_arg->string);
            fprintf(stderr, "Finished printing do we have a context? 0x%p a cert? 0x%p\n",
                  (void *)ctx, (void *)ctx->cert);
            if (ctx->cert)
                  s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
            if (s != NULL)
                  {
                  fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
                  }
            return(1);
            }
      if (cb_arg->proxy_auth)
            {
            int found_any = 0, i;
            char *sp;

            for(i = 0; i < 26; i++)
                  letters[i] = 0;
            for(sp = cb_arg->proxy_auth; *sp; sp++)
                  {
                  int c = *sp;
                  if (isascii(c) && isalpha(c))
                        {
                        if (islower(c))
                              c = toupper(c);
                        letters[c - 'A'] = 1;
                        }
                  }

            fprintf(stderr,
                  "  Initial proxy rights = ");
            for(i = 0; i < 26; i++)
                  if (letters[i])
                        {
                        fprintf(stderr, "%c", i + 'A');
                        found_any = 1;
                        }
            if (!found_any)
                  fprintf(stderr, "none");
            fprintf(stderr, "\n");

            X509_STORE_CTX_set_ex_data(ctx,
                  get_proxy_auth_ex_data_idx(),letters);
            }
      if (cb_arg->allow_proxy_certs)
            {
            X509_STORE_CTX_set_flags(ctx, X509_V_FLAG_ALLOW_PROXY_CERTS);
            }

#ifndef OPENSSL_NO_X509_VERIFY
      ok = X509_verify_cert(ctx);
#endif

      if (cb_arg->proxy_auth)
            {
            if (ok > 0)
                  {
                  const char *cond_end = NULL;

                  ok = process_proxy_cond(letters,
                        cb_arg->proxy_cond, &cond_end);

                  if (ok < 0)
                        EXIT(3);
                  if (*cond_end)
                        {
                        fprintf(stderr, "Stopped processing condition before it's end.\n");
                        ok = 0;
                        }
                  if (!ok)
                        fprintf(stderr, "Proxy rights check with condition '%s' proved invalid\n",
                              cb_arg->proxy_cond);
                  else
                        fprintf(stderr, "Proxy rights check with condition '%s' proved valid\n",
                              cb_arg->proxy_cond);
                  }
            }
      return(ok);
      }

#ifndef OPENSSL_NO_RSA
static RSA *rsa_tmp=NULL;

static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
      {
      BIGNUM *bn = NULL;
      if (rsa_tmp == NULL)
            {
            bn = BN_new();
            rsa_tmp = RSA_new();
            if(!bn || !rsa_tmp || !BN_set_word(bn, RSA_F4))
                  {
                  BIO_printf(bio_err, "Memory error...");
                  goto end;
                  }
            BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
            (void)BIO_flush(bio_err);
            if(!RSA_generate_key_ex(rsa_tmp,keylength,bn,NULL))
                  {
                  BIO_printf(bio_err, "Error generating key.");
                  RSA_free(rsa_tmp);
                  rsa_tmp = NULL;
                  }
end:
            BIO_printf(bio_err,"\n");
            (void)BIO_flush(bio_err);
            }
      if(bn) BN_free(bn);
      return(rsa_tmp);
      }

static void free_tmp_rsa(void)
      {
      if (rsa_tmp != NULL)
            {
            RSA_free(rsa_tmp);
            rsa_tmp = NULL;
            }
      }
#endif

#ifndef OPENSSL_NO_DH
/* These DH parameters have been generated as follows:
 *    $ openssl dhparam -C -noout 512
 *    $ openssl dhparam -C -noout 1024
 *    $ openssl dhparam -C -noout -dsaparam 1024
 * (The third function has been renamed to avoid name conflicts.)
 */
static DH *get_dh512()
      {
      static unsigned char dh512_p[]={
            0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
            0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
            0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
            0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
            0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
            0x02,0xC5,0xAE,0x23,
            };
      static unsigned char dh512_g[]={
            0x02,
            };
      DH *dh;

      if ((dh=DH_new()) == NULL) return(NULL);
      dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
      dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
      if ((dh->p == NULL) || (dh->g == NULL))
            { DH_free(dh); return(NULL); }
      return(dh);
      }

static DH *get_dh1024()
      {
      static unsigned char dh1024_p[]={
            0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
            0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
            0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
            0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
            0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
            0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
            0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
            0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
            0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
            0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
            0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
            };
      static unsigned char dh1024_g[]={
            0x02,
            };
      DH *dh;

      if ((dh=DH_new()) == NULL) return(NULL);
      dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
      dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
      if ((dh->p == NULL) || (dh->g == NULL))
            { DH_free(dh); return(NULL); }
      return(dh);
      }

static DH *get_dh1024dsa()
      {
      static unsigned char dh1024_p[]={
            0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
            0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
            0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
            0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
            0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
            0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
            0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
            0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
            0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
            0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
            0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
            };
      static unsigned char dh1024_g[]={
            0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
            0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
            0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
            0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
            0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
            0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
            0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
            0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
            0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
            0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
            0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
            };
      DH *dh;

      if ((dh=DH_new()) == NULL) return(NULL);
      dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
      dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
      if ((dh->p == NULL) || (dh->g == NULL))
            { DH_free(dh); return(NULL); }
      dh->length = 160;
      return(dh);
      }
#endif

static int do_test_cipherlist(void)
      {
      int i = 0;
      const SSL_METHOD *meth;
      SSL_CIPHER *ci, *tci = NULL;

#ifndef OPENSSL_NO_SSL2
      fprintf(stderr, "testing SSLv2 cipher list order: ");
      meth = SSLv2_method();
      while ((ci = meth->get_cipher(i++)) != NULL)
            {
            if (tci != NULL)
                  if (ci->id >= tci->id)
                        {
                        fprintf(stderr, "failed %lx vs. %lx\n", ci->id, tci->id);
                        return 0;
                        }
            tci = ci;
            }
      fprintf(stderr, "ok\n");
#endif
#ifndef OPENSSL_NO_SSL3
      fprintf(stderr, "testing SSLv3 cipher list order: ");
      meth = SSLv3_method();
      tci = NULL;
      while ((ci = meth->get_cipher(i++)) != NULL)
            {
            if (tci != NULL)
                  if (ci->id >= tci->id)
                        {
                        fprintf(stderr, "failed %lx vs. %lx\n", ci->id, tci->id);
                        return 0;
                        }
            tci = ci;
            }
      fprintf(stderr, "ok\n");
#endif
#ifndef OPENSSL_NO_TLS1
      fprintf(stderr, "testing TLSv1 cipher list order: ");
      meth = TLSv1_method();
      tci = NULL;
      while ((ci = meth->get_cipher(i++)) != NULL)
            {
            if (tci != NULL)
                  if (ci->id >= tci->id)
                        {
                        fprintf(stderr, "failed %lx vs. %lx\n", ci->id, tci->id);
                        return 0;
                        }
            tci = ci;
            }
      fprintf(stderr, "ok\n");
#endif

      return 1;
      }

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