Revert "Revert "and added files""
[bcm963xx.git] / userapps / opensource / openssl / apps / s_server.c
diff --git a/userapps/opensource/openssl/apps/s_server.c b/userapps/opensource/openssl/apps/s_server.c
new file mode 100755 (executable)
index 0000000..ff4ab6e
--- /dev/null
@@ -0,0 +1,1736 @@
+/* apps/s_server.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) 1998-2001 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).
+ *
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <openssl/e_os2.h>
+#ifdef OPENSSL_NO_STDIO
+#define APPS_WIN16
+#endif
+
+/* With IPv6, it looks like Digital has mixed up the proper order of
+   recursive header file inclusion, resulting in the compiler complaining
+   that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
+   is needed to have fileno() declared correctly...  So let's define u_int */
+#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
+#define __U_INT
+typedef unsigned int u_int;
+#endif
+
+#include <openssl/lhash.h>
+#include <openssl/bn.h>
+#define USE_SOCKETS
+#include "apps.h"
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#include <openssl/x509.h>
+#include <openssl/ssl.h>
+#include <openssl/rand.h>
+#include "s_apps.h"
+
+#ifdef OPENSSL_SYS_WINCE
+/* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
+#ifdef fileno
+#undef fileno
+#endif
+#define fileno(a) (int)_fileno(a)
+#endif
+
+#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
+/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
+#undef FIONBIO
+#endif
+
+#ifndef OPENSSL_NO_RSA
+static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
+#endif
+static int sv_body(char *hostname, int s, unsigned char *context);
+static int www_body(char *hostname, int s, unsigned char *context);
+static void close_accept_socket(void );
+static void sv_usage(void);
+static int init_ssl_connection(SSL *s);
+static void print_stats(BIO *bp,SSL_CTX *ctx);
+static int generate_session_id(const SSL *ssl, unsigned char *id,
+                               unsigned int *id_len);
+#ifndef OPENSSL_NO_DH
+static DH *load_dh_param(char *dhfile);
+static DH *get_dh512(void);
+#endif
+#ifdef MONOLITH
+static void s_server_init(void);
+#endif
+
+#ifndef S_ISDIR
+# if defined(_S_IFMT) && defined(_S_IFDIR)
+#  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
+# else
+#  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
+# endif
+#endif
+
+#ifndef OPENSSL_NO_DH
+static unsigned char dh512_p[]={
+       0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
+       0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
+       0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
+       0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
+       0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
+       0x47,0x74,0xE8,0x33,
+       };
+static unsigned char dh512_g[]={
+       0x02,
+       };
+
+static DH *get_dh512(void)
+       {
+       DH *dh=NULL;
+
+       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))
+               return(NULL);
+       return(dh);
+       }
+#endif
+
+/* static int load_CA(SSL_CTX *ctx, char *file);*/
+
+#undef BUFSIZZ
+#define BUFSIZZ        16*1024
+static int bufsize=BUFSIZZ;
+static int accept_socket= -1;
+
+#define TEST_CERT      "server.pem"
+#undef PROG
+#define PROG           s_server_main
+
+extern int verify_depth;
+
+static char *cipher=NULL;
+static int s_server_verify=SSL_VERIFY_NONE;
+static int s_server_session_id_context = 1; /* anything will do */
+static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
+static char *s_dcert_file=NULL,*s_dkey_file=NULL;
+#ifdef FIONBIO
+static int s_nbio=0;
+#endif
+static int s_nbio_test=0;
+int s_crlf=0;
+static SSL_CTX *ctx=NULL;
+static int www=0;
+
+static BIO *bio_s_out=NULL;
+static int s_debug=0;
+static int s_msg=0;
+static int s_quiet=0;
+
+static int hack=0;
+#ifndef OPENSSL_NO_ENGINE
+static char *engine_id=NULL;
+#endif
+static const char *session_id_prefix=NULL;
+
+#ifdef MONOLITH
+static void s_server_init(void)
+       {
+       accept_socket=-1;
+       cipher=NULL;
+       s_server_verify=SSL_VERIFY_NONE;
+       s_dcert_file=NULL;
+       s_dkey_file=NULL;
+       s_cert_file=TEST_CERT;
+       s_key_file=NULL;
+#ifdef FIONBIO
+       s_nbio=0;
+#endif
+       s_nbio_test=0;
+       ctx=NULL;
+       www=0;
+
+       bio_s_out=NULL;
+       s_debug=0;
+       s_msg=0;
+       s_quiet=0;
+       hack=0;
+#ifndef OPENSSL_NO_ENGINE
+       engine_id=NULL;
+#endif
+       }
+#endif
+
+static void sv_usage(void)
+       {
+       BIO_printf(bio_err,"usage: s_server [args ...]\n");
+       BIO_printf(bio_err,"\n");
+       BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
+       BIO_printf(bio_err," -context arg  - set session ID context\n");
+       BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
+       BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
+       BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
+       BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
+       BIO_printf(bio_err," -key arg      - Private Key file to use, PEM format assumed, in cert file if\n");
+       BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
+       BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
+       BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
+       BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
+       BIO_printf(bio_err,"                 or a default set of parameters is used\n");
+#ifdef FIONBIO
+       BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
+#endif
+       BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
+       BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
+       BIO_printf(bio_err," -debug        - Print more output\n");
+       BIO_printf(bio_err," -msg          - Show protocol messages\n");
+       BIO_printf(bio_err," -state        - Print the SSL states\n");
+       BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
+       BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
+       BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
+       BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
+       BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
+       BIO_printf(bio_err," -quiet        - No server output\n");
+       BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
+       BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
+       BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
+       BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
+       BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
+       BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
+       BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
+#ifndef OPENSSL_NO_DH
+       BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
+#endif
+       BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
+       BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
+       BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
+       BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
+        BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
+#ifndef OPENSSL_NO_ENGINE
+       BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
+#endif
+       BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
+       BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
+       }
+
+static int local_argc=0;
+static char **local_argv;
+
+#ifdef CHARSET_EBCDIC
+static int ebcdic_new(BIO *bi);
+static int ebcdic_free(BIO *a);
+static int ebcdic_read(BIO *b, char *out, int outl);
+static int ebcdic_write(BIO *b, const char *in, int inl);
+static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
+static int ebcdic_gets(BIO *bp, char *buf, int size);
+static int ebcdic_puts(BIO *bp, const char *str);
+
+#define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
+static BIO_METHOD methods_ebcdic=
+       {
+       BIO_TYPE_EBCDIC_FILTER,
+       "EBCDIC/ASCII filter",
+       ebcdic_write,
+       ebcdic_read,
+       ebcdic_puts,
+       ebcdic_gets,
+       ebcdic_ctrl,
+       ebcdic_new,
+       ebcdic_free,
+       };
+
+typedef struct
+{
+       size_t  alloced;
+       char    buff[1];
+} EBCDIC_OUTBUFF;
+
+BIO_METHOD *BIO_f_ebcdic_filter()
+{
+       return(&methods_ebcdic);
+}
+
+static int ebcdic_new(BIO *bi)
+{
+       EBCDIC_OUTBUFF *wbuf;
+
+       wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
+       wbuf->alloced = 1024;
+       wbuf->buff[0] = '\0';
+
+       bi->ptr=(char *)wbuf;
+       bi->init=1;
+       bi->flags=0;
+       return(1);
+}
+
+static int ebcdic_free(BIO *a)
+{
+       if (a == NULL) return(0);
+       if (a->ptr != NULL)
+               OPENSSL_free(a->ptr);
+       a->ptr=NULL;
+       a->init=0;
+       a->flags=0;
+       return(1);
+}
+       
+static int ebcdic_read(BIO *b, char *out, int outl)
+{
+       int ret=0;
+
+       if (out == NULL || outl == 0) return(0);
+       if (b->next_bio == NULL) return(0);
+
+       ret=BIO_read(b->next_bio,out,outl);
+       if (ret > 0)
+               ascii2ebcdic(out,out,ret);
+       return(ret);
+}
+
+static int ebcdic_write(BIO *b, const char *in, int inl)
+{
+       EBCDIC_OUTBUFF *wbuf;
+       int ret=0;
+       int num;
+       unsigned char n;
+
+       if ((in == NULL) || (inl <= 0)) return(0);
+       if (b->next_bio == NULL) return(0);
+
+       wbuf=(EBCDIC_OUTBUFF *)b->ptr;
+
+       if (inl > (num = wbuf->alloced))
+       {
+               num = num + num;  /* double the size */
+               if (num < inl)
+                       num = inl;
+               OPENSSL_free(wbuf);
+               wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
+
+               wbuf->alloced = num;
+               wbuf->buff[0] = '\0';
+
+               b->ptr=(char *)wbuf;
+       }
+
+       ebcdic2ascii(wbuf->buff, in, inl);
+
+       ret=BIO_write(b->next_bio, wbuf->buff, inl);
+
+       return(ret);
+}
+
+static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+       long ret;
+
+       if (b->next_bio == NULL) return(0);
+       switch (cmd)
+       {
+       case BIO_CTRL_DUP:
+               ret=0L;
+               break;
+       default:
+               ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+               break;
+       }
+       return(ret);
+}
+
+static int ebcdic_gets(BIO *bp, char *buf, int size)
+{
+       int i, ret=0;
+       if (bp->next_bio == NULL) return(0);
+/*     return(BIO_gets(bp->next_bio,buf,size));*/
+       for (i=0; i<size-1; ++i)
+       {
+               ret = ebcdic_read(bp,&buf[i],1);
+               if (ret <= 0)
+                       break;
+               else if (buf[i] == '\n')
+               {
+                       ++i;
+                       break;
+               }
+       }
+       if (i < size)
+               buf[i] = '\0';
+       return (ret < 0 && i == 0) ? ret : i;
+}
+
+static int ebcdic_puts(BIO *bp, const char *str)
+{
+       if (bp->next_bio == NULL) return(0);
+       return ebcdic_write(bp, str, strlen(str));
+}
+#endif
+
+int MAIN(int, char **);
+
+int MAIN(int argc, char *argv[])
+       {
+       X509_STORE *store = NULL;
+       int vflags = 0;
+       short port=PORT;
+       char *CApath=NULL,*CAfile=NULL;
+       char *context = NULL;
+       char *dhfile = NULL;
+       int badop=0,bugs=0;
+       int ret=1;
+       int off=0;
+       int no_tmp_rsa=0,no_dhe=0,nocert=0;
+       int state=0;
+       SSL_METHOD *meth=NULL;
+#ifndef OPENSSL_NO_ENGINE
+       ENGINE *e=NULL;
+#endif
+       char *inrand=NULL;
+
+#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
+       meth=SSLv23_server_method();
+#elif !defined(OPENSSL_NO_SSL3)
+       meth=SSLv3_server_method();
+#elif !defined(OPENSSL_NO_SSL2)
+       meth=SSLv2_server_method();
+#endif
+
+       local_argc=argc;
+       local_argv=argv;
+
+       apps_startup();
+#ifdef MONOLITH
+       s_server_init();
+#endif
+
+       if (bio_err == NULL)
+               bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
+
+       if (!load_config(bio_err, NULL))
+               goto end;
+
+       verify_depth=0;
+#ifdef FIONBIO
+       s_nbio=0;
+#endif
+       s_nbio_test=0;
+
+       argc--;
+       argv++;
+
+       while (argc >= 1)
+               {
+               if      ((strcmp(*argv,"-port") == 0) ||
+                        (strcmp(*argv,"-accept") == 0))
+                       {
+                       if (--argc < 1) goto bad;
+                       if (!extract_port(*(++argv),&port))
+                               goto bad;
+                       }
+               else if (strcmp(*argv,"-verify") == 0)
+                       {
+                       s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
+                       if (--argc < 1) goto bad;
+                       verify_depth=atoi(*(++argv));
+                       BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
+                       }
+               else if (strcmp(*argv,"-Verify") == 0)
+                       {
+                       s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
+                               SSL_VERIFY_CLIENT_ONCE;
+                       if (--argc < 1) goto bad;
+                       verify_depth=atoi(*(++argv));
+                       BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
+                       }
+               else if (strcmp(*argv,"-context") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       context= *(++argv);
+                       }
+               else if (strcmp(*argv,"-cert") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       s_cert_file= *(++argv);
+                       }
+               else if (strcmp(*argv,"-key") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       s_key_file= *(++argv);
+                       }
+               else if (strcmp(*argv,"-dhparam") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       dhfile = *(++argv);
+                       }
+               else if (strcmp(*argv,"-dcert") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       s_dcert_file= *(++argv);
+                       }
+               else if (strcmp(*argv,"-dkey") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       s_dkey_file= *(++argv);
+                       }
+               else if (strcmp(*argv,"-nocert") == 0)
+                       {
+                       nocert=1;
+                       }
+               else if (strcmp(*argv,"-CApath") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       CApath= *(++argv);
+                       }
+               else if (strcmp(*argv,"-crl_check") == 0)
+                       {
+                       vflags |= X509_V_FLAG_CRL_CHECK;
+                       }
+               else if (strcmp(*argv,"-crl_check") == 0)
+                       {
+                       vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
+                       }
+               else if (strcmp(*argv,"-serverpref") == 0)
+                       { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
+               else if (strcmp(*argv,"-cipher") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       cipher= *(++argv);
+                       }
+               else if (strcmp(*argv,"-CAfile") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       CAfile= *(++argv);
+                       }
+#ifdef FIONBIO 
+               else if (strcmp(*argv,"-nbio") == 0)
+                       { s_nbio=1; }
+#endif
+               else if (strcmp(*argv,"-nbio_test") == 0)
+                       {
+#ifdef FIONBIO 
+                       s_nbio=1;
+#endif
+                       s_nbio_test=1;
+                       }
+               else if (strcmp(*argv,"-debug") == 0)
+                       { s_debug=1; }
+               else if (strcmp(*argv,"-msg") == 0)
+                       { s_msg=1; }
+               else if (strcmp(*argv,"-hack") == 0)
+                       { hack=1; }
+               else if (strcmp(*argv,"-state") == 0)
+                       { state=1; }
+               else if (strcmp(*argv,"-crlf") == 0)
+                       { s_crlf=1; }
+               else if (strcmp(*argv,"-quiet") == 0)
+                       { s_quiet=1; }
+               else if (strcmp(*argv,"-bugs") == 0)
+                       { bugs=1; }
+               else if (strcmp(*argv,"-no_tmp_rsa") == 0)
+                       { no_tmp_rsa=1; }
+               else if (strcmp(*argv,"-no_dhe") == 0)
+                       { no_dhe=1; }
+               else if (strcmp(*argv,"-www") == 0)
+                       { www=1; }
+               else if (strcmp(*argv,"-WWW") == 0)
+                       { www=2; }
+               else if (strcmp(*argv,"-HTTP") == 0)
+                       { www=3; }
+               else if (strcmp(*argv,"-no_ssl2") == 0)
+                       { off|=SSL_OP_NO_SSLv2; }
+               else if (strcmp(*argv,"-no_ssl3") == 0)
+                       { off|=SSL_OP_NO_SSLv3; }
+               else if (strcmp(*argv,"-no_tls1") == 0)
+                       { off|=SSL_OP_NO_TLSv1; }
+#ifndef OPENSSL_NO_SSL2
+               else if (strcmp(*argv,"-ssl2") == 0)
+                       { meth=SSLv2_server_method(); }
+#endif
+#ifndef OPENSSL_NO_SSL3
+               else if (strcmp(*argv,"-ssl3") == 0)
+                       { meth=SSLv3_server_method(); }
+#endif
+#ifndef OPENSSL_NO_TLS1
+               else if (strcmp(*argv,"-tls1") == 0)
+                       { meth=TLSv1_server_method(); }
+#endif
+               else if (strcmp(*argv, "-id_prefix") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       session_id_prefix = *(++argv);
+                       }
+#ifndef OPENSSL_NO_ENGINE
+               else if (strcmp(*argv,"-engine") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       engine_id= *(++argv);
+                       }
+#endif
+               else if (strcmp(*argv,"-rand") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       inrand= *(++argv);
+                       }
+               else
+                       {
+                       BIO_printf(bio_err,"unknown option %s\n",*argv);
+                       badop=1;
+                       break;
+                       }
+               argc--;
+               argv++;
+               }
+       if (badop)
+               {
+bad:
+               sv_usage();
+               goto end;
+               }
+
+       SSL_load_error_strings();
+       OpenSSL_add_ssl_algorithms();
+
+#ifndef OPENSSL_NO_ENGINE
+        e = setup_engine(bio_err, engine_id, 1);
+#endif
+
+       if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
+               && !RAND_status())
+               {
+               BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
+               }
+       if (inrand != NULL)
+               BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
+                       app_RAND_load_files(inrand));
+
+       if (bio_s_out == NULL)
+               {
+               if (s_quiet && !s_debug && !s_msg)
+                       {
+                       bio_s_out=BIO_new(BIO_s_null());
+                       }
+               else
+                       {
+                       if (bio_s_out == NULL)
+                               bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
+                       }
+               }
+
+#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA)
+       if (nocert)
+#endif
+               {
+               s_cert_file=NULL;
+               s_key_file=NULL;
+               s_dcert_file=NULL;
+               s_dkey_file=NULL;
+               }
+
+       ctx=SSL_CTX_new(meth);
+       if (ctx == NULL)
+               {
+               ERR_print_errors(bio_err);
+               goto end;
+               }
+       if (session_id_prefix)
+               {
+               if(strlen(session_id_prefix) >= 32)
+                       BIO_printf(bio_err,
+"warning: id_prefix is too long, only one new session will be possible\n");
+               else if(strlen(session_id_prefix) >= 16)
+                       BIO_printf(bio_err,
+"warning: id_prefix is too long if you use SSLv2\n");
+               if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
+                       {
+                       BIO_printf(bio_err,"error setting 'id_prefix'\n");
+                       ERR_print_errors(bio_err);
+                       goto end;
+                       }
+               BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
+               }
+       SSL_CTX_set_quiet_shutdown(ctx,1);
+       if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
+       if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
+       SSL_CTX_set_options(ctx,off);
+
+       if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
+
+       SSL_CTX_sess_set_cache_size(ctx,128);
+
+#if 0
+       if (cipher == NULL) cipher=getenv("SSL_CIPHER");
+#endif
+
+#if 0
+       if (s_cert_file == NULL)
+               {
+               BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
+               goto end;
+               }
+#endif
+
+       if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
+               (!SSL_CTX_set_default_verify_paths(ctx)))
+               {
+               /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
+               ERR_print_errors(bio_err);
+               /* goto end; */
+               }
+       store = SSL_CTX_get_cert_store(ctx);
+       X509_STORE_set_flags(store, vflags);
+
+#ifndef OPENSSL_NO_DH
+       if (!no_dhe)
+               {
+               DH *dh=NULL;
+
+               if (dhfile)
+                       dh = load_dh_param(dhfile);
+               else if (s_cert_file)
+                       dh = load_dh_param(s_cert_file);
+
+               if (dh != NULL)
+                       {
+                       BIO_printf(bio_s_out,"Setting temp DH parameters\n");
+                       }
+               else
+                       {
+                       BIO_printf(bio_s_out,"Using default temp DH parameters\n");
+                       dh=get_dh512();
+                       }
+               (void)BIO_flush(bio_s_out);
+
+               SSL_CTX_set_tmp_dh(ctx,dh);
+               DH_free(dh);
+               }
+#endif
+       
+       if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
+               goto end;
+       if (s_dcert_file != NULL)
+               {
+               if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
+                       goto end;
+               }
+
+#ifndef OPENSSL_NO_RSA
+#if 1
+       if (!no_tmp_rsa)
+               SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
+#else
+       if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
+               {
+               RSA *rsa;
+
+               BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
+               BIO_flush(bio_s_out);
+
+               rsa=RSA_generate_key(512,RSA_F4,NULL);
+
+               if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
+                       {
+                       ERR_print_errors(bio_err);
+                       goto end;
+                       }
+               RSA_free(rsa);
+               BIO_printf(bio_s_out,"\n");
+               }
+#endif
+#endif
+
+       if (cipher != NULL)
+               if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
+               BIO_printf(bio_err,"error setting cipher list\n");
+               ERR_print_errors(bio_err);
+               goto end;
+       }
+       SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
+       SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
+               sizeof s_server_session_id_context);
+
+       if (CAfile != NULL)
+           SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
+
+       BIO_printf(bio_s_out,"ACCEPT\n");
+       if (www)
+               do_server(port,&accept_socket,www_body, context);
+       else
+               do_server(port,&accept_socket,sv_body, context);
+       print_stats(bio_s_out,ctx);
+       ret=0;
+end:
+       if (ctx != NULL) SSL_CTX_free(ctx);
+       if (bio_s_out != NULL)
+               {
+               BIO_free(bio_s_out);
+               bio_s_out=NULL;
+               }
+       apps_shutdown();
+       OPENSSL_EXIT(ret);
+       }
+
+static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
+       {
+       BIO_printf(bio,"%4ld items in the session cache\n",
+               SSL_CTX_sess_number(ssl_ctx));
+       BIO_printf(bio,"%4d client connects (SSL_connect())\n",
+               SSL_CTX_sess_connect(ssl_ctx));
+       BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
+               SSL_CTX_sess_connect_renegotiate(ssl_ctx));
+       BIO_printf(bio,"%4d client connects that finished\n",
+               SSL_CTX_sess_connect_good(ssl_ctx));
+       BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
+               SSL_CTX_sess_accept(ssl_ctx));
+       BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
+               SSL_CTX_sess_accept_renegotiate(ssl_ctx));
+       BIO_printf(bio,"%4d server accepts that finished\n",
+               SSL_CTX_sess_accept_good(ssl_ctx));
+       BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
+       BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
+       BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
+       BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
+       BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
+               SSL_CTX_sess_cache_full(ssl_ctx),
+               SSL_CTX_sess_get_cache_size(ssl_ctx));
+       }
+
+static int sv_body(char *hostname, int s, unsigned char *context)
+       {
+       char *buf=NULL;
+       fd_set readfds;
+       int ret=1,width;
+       int k,i;
+       unsigned long l;
+       SSL *con=NULL;
+       BIO *sbio;
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
+       struct timeval tv;
+#endif
+
+       if ((buf=OPENSSL_malloc(bufsize)) == NULL)
+               {
+               BIO_printf(bio_err,"out of memory\n");
+               goto err;
+               }
+#ifdef FIONBIO 
+       if (s_nbio)
+               {
+               unsigned long sl=1;
+
+               if (!s_quiet)
+                       BIO_printf(bio_err,"turning on non blocking io\n");
+               if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
+                       ERR_print_errors(bio_err);
+               }
+#endif
+
+       if (con == NULL) {
+               con=SSL_new(ctx);
+#ifndef OPENSSL_NO_KRB5
+               if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
+                        {
+                        kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
+                                                               KRB5SVC);
+                        kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
+                                                               KRB5KEYTAB);
+                        }
+#endif /* OPENSSL_NO_KRB5 */
+               if(context)
+                     SSL_set_session_id_context(con, context,
+                                                strlen((char *)context));
+       }
+       SSL_clear(con);
+
+       sbio=BIO_new_socket(s,BIO_NOCLOSE);
+       if (s_nbio_test)
+               {
+               BIO *test;
+
+               test=BIO_new(BIO_f_nbio_test());
+               sbio=BIO_push(test,sbio);
+               }
+       SSL_set_bio(con,sbio,sbio);
+       SSL_set_accept_state(con);
+       /* SSL_set_fd(con,s); */
+
+       if (s_debug)
+               {
+               con->debug=1;
+               BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
+               BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
+               }
+       if (s_msg)
+               {
+               SSL_set_msg_callback(con, msg_cb);
+               SSL_set_msg_callback_arg(con, bio_s_out);
+               }
+
+       width=s+1;
+       for (;;)
+               {
+               int read_from_terminal;
+               int read_from_sslcon;
+
+               read_from_terminal = 0;
+               read_from_sslcon = SSL_pending(con);
+
+               if (!read_from_sslcon)
+                       {
+                       FD_ZERO(&readfds);
+#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
+                       FD_SET(fileno(stdin),&readfds);
+#endif
+                       FD_SET(s,&readfds);
+                       /* Note: under VMS with SOCKETSHR the second parameter is
+                        * currently of type (int *) whereas under other systems
+                        * it is (void *) if you don't have a cast it will choke
+                        * the compiler: if you do have a cast then you can either
+                        * go for (int *) or (void *).
+                        */
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
+                        /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
+                        * on sockets. As a workaround we timeout the select every
+                        * second and check for any keypress. In a proper Windows
+                        * application we wouldn't do this because it is inefficient.
+                        */
+                       tv.tv_sec = 1;
+                       tv.tv_usec = 0;
+                       i=select(width,(void *)&readfds,NULL,NULL,&tv);
+                       if((i < 0) || (!i && !_kbhit() ) )continue;
+                       if(_kbhit())
+                               read_from_terminal = 1;
+#else
+                       i=select(width,(void *)&readfds,NULL,NULL,NULL);
+                       if (i <= 0) continue;
+                       if (FD_ISSET(fileno(stdin),&readfds))
+                               read_from_terminal = 1;
+#endif
+                       if (FD_ISSET(s,&readfds))
+                               read_from_sslcon = 1;
+                       }
+               if (read_from_terminal)
+                       {
+                       if (s_crlf)
+                               {
+                               int j, lf_num;
+
+                               i=read(fileno(stdin), buf, bufsize/2);
+                               lf_num = 0;
+                               /* both loops are skipped when i <= 0 */
+                               for (j = 0; j < i; j++)
+                                       if (buf[j] == '\n')
+                                               lf_num++;
+                               for (j = i-1; j >= 0; j--)
+                                       {
+                                       buf[j+lf_num] = buf[j];
+                                       if (buf[j] == '\n')
+                                               {
+                                               lf_num--;
+                                               i++;
+                                               buf[j+lf_num] = '\r';
+                                               }
+                                       }
+                               assert(lf_num == 0);
+                               }
+                       else
+                               i=read(fileno(stdin),buf,bufsize);
+                       if (!s_quiet)
+                               {
+                               if ((i <= 0) || (buf[0] == 'Q'))
+                                       {
+                                       BIO_printf(bio_s_out,"DONE\n");
+                                       SHUTDOWN(s);
+                                       close_accept_socket();
+                                       ret= -11;
+                                       goto err;
+                                       }
+                               if ((i <= 0) || (buf[0] == 'q'))
+                                       {
+                                       BIO_printf(bio_s_out,"DONE\n");
+                                       SHUTDOWN(s);
+       /*                              close_accept_socket();
+                                       ret= -11;*/
+                                       goto err;
+                                       }
+                               if ((buf[0] == 'r') && 
+                                       ((buf[1] == '\n') || (buf[1] == '\r')))
+                                       {
+                                       SSL_renegotiate(con);
+                                       i=SSL_do_handshake(con);
+                                       printf("SSL_do_handshake -> %d\n",i);
+                                       i=0; /*13; */
+                                       continue;
+                                       /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
+                                       }
+                               if ((buf[0] == 'R') &&
+                                       ((buf[1] == '\n') || (buf[1] == '\r')))
+                                       {
+                                       SSL_set_verify(con,
+                                               SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
+                                       SSL_renegotiate(con);
+                                       i=SSL_do_handshake(con);
+                                       printf("SSL_do_handshake -> %d\n",i);
+                                       i=0; /* 13; */
+                                       continue;
+                                       /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
+                                       }
+                               if (buf[0] == 'P')
+                                       {
+                                       static char *str="Lets print some clear text\n";
+                                       BIO_write(SSL_get_wbio(con),str,strlen(str));
+                                       }
+                               if (buf[0] == 'S')
+                                       {
+                                       print_stats(bio_s_out,SSL_get_SSL_CTX(con));
+                                       }
+                               }
+#ifdef CHARSET_EBCDIC
+                       ebcdic2ascii(buf,buf,i);
+#endif
+                       l=k=0;
+                       for (;;)
+                               {
+                               /* should do a select for the write */
+#ifdef RENEG
+{ static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
+#endif
+                               k=SSL_write(con,&(buf[l]),(unsigned int)i);
+                               switch (SSL_get_error(con,k))
+                                       {
+                               case SSL_ERROR_NONE:
+                                       break;
+                               case SSL_ERROR_WANT_WRITE:
+                               case SSL_ERROR_WANT_READ:
+                               case SSL_ERROR_WANT_X509_LOOKUP:
+                                       BIO_printf(bio_s_out,"Write BLOCK\n");
+                                       break;
+                               case SSL_ERROR_SYSCALL:
+                               case SSL_ERROR_SSL:
+                                       BIO_printf(bio_s_out,"ERROR\n");
+                                       ERR_print_errors(bio_err);
+                                       ret=1;
+                                       goto err;
+                                       /* break; */
+                               case SSL_ERROR_ZERO_RETURN:
+                                       BIO_printf(bio_s_out,"DONE\n");
+                                       ret=1;
+                                       goto err;
+                                       }
+                               l+=k;
+                               i-=k;
+                               if (i <= 0) break;
+                               }
+                       }
+               if (read_from_sslcon)
+                       {
+                       if (!SSL_is_init_finished(con))
+                               {
+                               i=init_ssl_connection(con);
+                               
+                               if (i < 0)
+                                       {
+                                       ret=0;
+                                       goto err;
+                                       }
+                               else if (i == 0)
+                                       {
+                                       ret=1;
+                                       goto err;
+                                       }
+                               }
+                       else
+                               {
+again: 
+                               i=SSL_read(con,(char *)buf,bufsize);
+                               switch (SSL_get_error(con,i))
+                                       {
+                               case SSL_ERROR_NONE:
+#ifdef CHARSET_EBCDIC
+                                       ascii2ebcdic(buf,buf,i);
+#endif
+                                       write(fileno(stdout),buf,
+                                               (unsigned int)i);
+                                       if (SSL_pending(con)) goto again;
+                                       break;
+                               case SSL_ERROR_WANT_WRITE:
+                               case SSL_ERROR_WANT_READ:
+                               case SSL_ERROR_WANT_X509_LOOKUP:
+                                       BIO_printf(bio_s_out,"Read BLOCK\n");
+                                       break;
+                               case SSL_ERROR_SYSCALL:
+                               case SSL_ERROR_SSL:
+                                       BIO_printf(bio_s_out,"ERROR\n");
+                                       ERR_print_errors(bio_err);
+                                       ret=1;
+                                       goto err;
+                               case SSL_ERROR_ZERO_RETURN:
+                                       BIO_printf(bio_s_out,"DONE\n");
+                                       ret=1;
+                                       goto err;
+                                       }
+                               }
+                       }
+               }
+err:
+       BIO_printf(bio_s_out,"shutting down SSL\n");
+#if 1
+       SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
+#else
+       SSL_shutdown(con);
+#endif
+       if (con != NULL) SSL_free(con);
+       BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
+       if (buf != NULL)
+               {
+               OPENSSL_cleanse(buf,bufsize);
+               OPENSSL_free(buf);
+               }
+       if (ret >= 0)
+               BIO_printf(bio_s_out,"ACCEPT\n");
+       return(ret);
+       }
+
+static void close_accept_socket(void)
+       {
+       BIO_printf(bio_err,"shutdown accept socket\n");
+       if (accept_socket >= 0)
+               {
+               SHUTDOWN2(accept_socket);
+               }
+       }
+
+static int init_ssl_connection(SSL *con)
+       {
+       int i;
+       const char *str;
+       X509 *peer;
+       long verify_error;
+       MS_STATIC char buf[BUFSIZ];
+
+       if ((i=SSL_accept(con)) <= 0)
+               {
+               if (BIO_sock_should_retry(i))
+                       {
+                       BIO_printf(bio_s_out,"DELAY\n");
+                       return(1);
+                       }
+
+               BIO_printf(bio_err,"ERROR\n");
+               verify_error=SSL_get_verify_result(con);
+               if (verify_error != X509_V_OK)
+                       {
+                       BIO_printf(bio_err,"verify error:%s\n",
+                               X509_verify_cert_error_string(verify_error));
+                       }
+               else
+                       ERR_print_errors(bio_err);
+               return(0);
+               }
+
+       PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
+
+       peer=SSL_get_peer_certificate(con);
+       if (peer != NULL)
+               {
+               BIO_printf(bio_s_out,"Client certificate\n");
+               PEM_write_bio_X509(bio_s_out,peer);
+               X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
+               BIO_printf(bio_s_out,"subject=%s\n",buf);
+               X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
+               BIO_printf(bio_s_out,"issuer=%s\n",buf);
+               X509_free(peer);
+               }
+
+       if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
+               BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
+       str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
+       BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
+       if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
+       if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
+               TLS1_FLAGS_TLS_PADDING_BUG)
+               BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
+#ifndef OPENSSL_NO_KRB5
+       if (con->kssl_ctx->client_princ != NULL)
+               {
+               BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
+                       con->kssl_ctx->client_princ);
+               }
+#endif /* OPENSSL_NO_KRB5 */
+       return(1);
+       }
+
+#ifndef OPENSSL_NO_DH
+static DH *load_dh_param(char *dhfile)
+       {
+       DH *ret=NULL;
+       BIO *bio;
+
+       if ((bio=BIO_new_file(dhfile,"r")) == NULL)
+               goto err;
+       ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
+err:
+       if (bio != NULL) BIO_free(bio);
+       return(ret);
+       }
+#endif
+
+#if 0
+static int load_CA(SSL_CTX *ctx, char *file)
+       {
+       FILE *in;
+       X509 *x=NULL;
+
+       if ((in=fopen(file,"r")) == NULL)
+               return(0);
+
+       for (;;)
+               {
+               if (PEM_read_X509(in,&x,NULL) == NULL)
+                       break;
+               SSL_CTX_add_client_CA(ctx,x);
+               }
+       if (x != NULL) X509_free(x);
+       fclose(in);
+       return(1);
+       }
+#endif
+
+static int www_body(char *hostname, int s, unsigned char *context)
+       {
+       char *buf=NULL;
+       int ret=1;
+       int i,j,k,blank,dot;
+       struct stat st_buf;
+       SSL *con;
+       SSL_CIPHER *c;
+       BIO *io,*ssl_bio,*sbio;
+       long total_bytes;
+
+       buf=OPENSSL_malloc(bufsize);
+       if (buf == NULL) return(0);
+       io=BIO_new(BIO_f_buffer());
+       ssl_bio=BIO_new(BIO_f_ssl());
+       if ((io == NULL) || (ssl_bio == NULL)) goto err;
+
+#ifdef FIONBIO 
+       if (s_nbio)
+               {
+               unsigned long sl=1;
+
+               if (!s_quiet)
+                       BIO_printf(bio_err,"turning on non blocking io\n");
+               if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
+                       ERR_print_errors(bio_err);
+               }
+#endif
+
+       /* lets make the output buffer a reasonable size */
+       if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
+
+       if ((con=SSL_new(ctx)) == NULL) goto err;
+#ifndef OPENSSL_NO_KRB5
+       if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
+               {
+               kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
+               kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
+               }
+#endif /* OPENSSL_NO_KRB5 */
+       if(context) SSL_set_session_id_context(con, context,
+                                              strlen((char *)context));
+
+       sbio=BIO_new_socket(s,BIO_NOCLOSE);
+       if (s_nbio_test)
+               {
+               BIO *test;
+
+               test=BIO_new(BIO_f_nbio_test());
+               sbio=BIO_push(test,sbio);
+               }
+       SSL_set_bio(con,sbio,sbio);
+       SSL_set_accept_state(con);
+
+       /* SSL_set_fd(con,s); */
+       BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
+       BIO_push(io,ssl_bio);
+#ifdef CHARSET_EBCDIC
+       io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
+#endif
+
+       if (s_debug)
+               {
+               con->debug=1;
+               BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
+               BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
+               }
+       if (s_msg)
+               {
+               SSL_set_msg_callback(con, msg_cb);
+               SSL_set_msg_callback_arg(con, bio_s_out);
+               }
+
+       blank=0;
+       for (;;)
+               {
+               if (hack)
+                       {
+                       i=SSL_accept(con);
+
+                       switch (SSL_get_error(con,i))
+                               {
+                       case SSL_ERROR_NONE:
+                               break;
+                       case SSL_ERROR_WANT_WRITE:
+                       case SSL_ERROR_WANT_READ:
+                       case SSL_ERROR_WANT_X509_LOOKUP:
+                               continue;
+                       case SSL_ERROR_SYSCALL:
+                       case SSL_ERROR_SSL:
+                       case SSL_ERROR_ZERO_RETURN:
+                               ret=1;
+                               goto err;
+                               /* break; */
+                               }
+
+                       SSL_renegotiate(con);
+                       SSL_write(con,NULL,0);
+                       }
+
+               i=BIO_gets(io,buf,bufsize-1);
+               if (i < 0) /* error */
+                       {
+                       if (!BIO_should_retry(io))
+                               {
+                               if (!s_quiet)
+                                       ERR_print_errors(bio_err);
+                               goto err;
+                               }
+                       else
+                               {
+                               BIO_printf(bio_s_out,"read R BLOCK\n");
+#if !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
+                               sleep(1);
+#endif
+                               continue;
+                               }
+                       }
+               else if (i == 0) /* end of input */
+                       {
+                       ret=1;
+                       goto end;
+                       }
+
+               /* else we have data */
+               if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
+                       ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
+                       {
+                       char *p;
+                       X509 *peer;
+                       STACK_OF(SSL_CIPHER) *sk;
+                       static char *space="                          ";
+
+                       BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
+                       BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
+                       BIO_puts(io,"<pre>\n");
+/*                     BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
+                       BIO_puts(io,"\n");
+                       for (i=0; i<local_argc; i++)
+                               {
+                               BIO_puts(io,local_argv[i]);
+                               BIO_write(io," ",1);
+                               }
+                       BIO_puts(io,"\n");
+
+                       /* The following is evil and should not really
+                        * be done */
+                       BIO_printf(io,"Ciphers supported in s_server binary\n");
+                       sk=SSL_get_ciphers(con);
+                       j=sk_SSL_CIPHER_num(sk);
+                       for (i=0; i<j; i++)
+                               {
+                               c=sk_SSL_CIPHER_value(sk,i);
+                               BIO_printf(io,"%-11s:%-25s",
+                                       SSL_CIPHER_get_version(c),
+                                       SSL_CIPHER_get_name(c));
+                               if ((((i+1)%2) == 0) && (i+1 != j))
+                                       BIO_puts(io,"\n");
+                               }
+                       BIO_puts(io,"\n");
+                       p=SSL_get_shared_ciphers(con,buf,bufsize);
+                       if (p != NULL)
+                               {
+                               BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
+                               j=i=0;
+                               while (*p)
+                                       {
+                                       if (*p == ':')
+                                               {
+                                               BIO_write(io,space,26-j);
+                                               i++;
+                                               j=0;
+                                               BIO_write(io,((i%3)?" ":"\n"),1);
+                                               }
+                                       else
+                                               {
+                                               BIO_write(io,p,1);
+                                               j++;
+                                               }
+                                       p++;
+                                       }
+                               BIO_puts(io,"\n");
+                               }
+                       BIO_printf(io,((con->hit)
+                               ?"---\nReused, "
+                               :"---\nNew, "));
+                       c=SSL_get_current_cipher(con);
+                       BIO_printf(io,"%s, Cipher is %s\n",
+                               SSL_CIPHER_get_version(c),
+                               SSL_CIPHER_get_name(c));
+                       SSL_SESSION_print(io,SSL_get_session(con));
+                       BIO_printf(io,"---\n");
+                       print_stats(io,SSL_get_SSL_CTX(con));
+                       BIO_printf(io,"---\n");
+                       peer=SSL_get_peer_certificate(con);
+                       if (peer != NULL)
+                               {
+                               BIO_printf(io,"Client certificate\n");
+                               X509_print(io,peer);
+                               PEM_write_bio_X509(io,peer);
+                               }
+                       else
+                               BIO_puts(io,"no client certificate available\n");
+                       BIO_puts(io,"</BODY></HTML>\r\n\r\n");
+                       break;
+                       }
+               else if ((www == 2 || www == 3)
+                         && (strncmp("GET /",buf,5) == 0))
+                       {
+                       BIO *file;
+                       char *p,*e;
+                       static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
+
+                       /* skip the '/' */
+                       p= &(buf[5]);
+
+                       dot = 1;
+                       for (e=p; *e != '\0'; e++)
+                               {
+                               if (e[0] == ' ')
+                                       break;
+
+                               switch (dot)
+                                       {
+                               case 1:
+                                       dot = (e[0] == '.') ? 2 : 0;
+                                       break;
+                               case 2:
+                                       dot = (e[0] == '.') ? 3 : 0;
+                                       break;
+                               case 3:
+                                       dot = (e[0] == '/') ? -1 : 0;
+                                       break;
+                                       }
+                               if (dot == 0)
+                                       dot = (e[0] == '/') ? 1 : 0;
+                               }
+                       dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
+
+                       if (*e == '\0')
+                               {
+                               BIO_puts(io,text);
+                               BIO_printf(io,"'%s' is an invalid file name\r\n",p);
+                               break;
+                               }
+                       *e='\0';
+
+                       if (dot)
+                               {
+                               BIO_puts(io,text);
+                               BIO_printf(io,"'%s' contains '..' reference\r\n",p);
+                               break;
+                               }
+
+                       if (*p == '/')
+                               {
+                               BIO_puts(io,text);
+                               BIO_printf(io,"'%s' is an invalid path\r\n",p);
+                               break;
+                               }
+
+#if 0
+                       /* append if a directory lookup */
+                       if (e[-1] == '/')
+                               strcat(p,"index.html");
+#endif
+
+                       /* if a directory, do the index thang */
+                       if (stat(p,&st_buf) < 0)
+                               {
+                               BIO_puts(io,text);
+                               BIO_printf(io,"Error accessing '%s'\r\n",p);
+                               ERR_print_errors(io);
+                               break;
+                               }
+                       if (S_ISDIR(st_buf.st_mode))
+                               {
+#if 0 /* must check buffer size */
+                               strcat(p,"/index.html");
+#else
+                               BIO_puts(io,text);
+                               BIO_printf(io,"'%s' is a directory\r\n",p);
+                               break;
+#endif
+                               }
+
+                       if ((file=BIO_new_file(p,"r")) == NULL)
+                               {
+                               BIO_puts(io,text);
+                               BIO_printf(io,"Error opening '%s'\r\n",p);
+                               ERR_print_errors(io);
+                               break;
+                               }
+
+                       if (!s_quiet)
+                               BIO_printf(bio_err,"FILE:%s\n",p);
+
+                        if (www == 2)
+                                {
+                                i=strlen(p);
+                                if (   ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
+                                        ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
+                                        ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
+                                        BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
+                                else
+                                        BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
+                                }
+                       /* send the file */
+                       total_bytes=0;
+                       for (;;)
+                               {
+                               i=BIO_read(file,buf,bufsize);
+                               if (i <= 0) break;
+
+#ifdef RENEG
+                               total_bytes+=i;
+                               fprintf(stderr,"%d\n",i);
+                               if (total_bytes > 3*1024)
+                                       {
+                                       total_bytes=0;
+                                       fprintf(stderr,"RENEGOTIATE\n");
+                                       SSL_renegotiate(con);
+                                       }
+#endif
+
+                               for (j=0; j<i; )
+                                       {
+#ifdef RENEG
+{ static count=0; if (++count == 13) { SSL_renegotiate(con); } }
+#endif
+                                       k=BIO_write(io,&(buf[j]),i-j);
+                                       if (k <= 0)
+                                               {
+                                               if (!BIO_should_retry(io))
+                                                       goto write_error;
+                                               else
+                                                       {
+                                                       BIO_printf(bio_s_out,"rwrite W BLOCK\n");
+                                                       }
+                                               }
+                                       else
+                                               {
+                                               j+=k;
+                                               }
+                                       }
+                               }
+write_error:
+                       BIO_free(file);
+                       break;
+                       }
+               }
+
+       for (;;)
+               {
+               i=(int)BIO_flush(io);
+               if (i <= 0)
+                       {
+                       if (!BIO_should_retry(io))
+                               break;
+                       }
+               else
+                       break;
+               }
+end:
+#if 1
+       /* make sure we re-use sessions */
+       SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
+#else
+       /* This kills performance */
+/*     SSL_shutdown(con); A shutdown gets sent in the
+ *     BIO_free_all(io) procession */
+#endif
+
+err:
+
+       if (ret >= 0)
+               BIO_printf(bio_s_out,"ACCEPT\n");
+
+       if (buf != NULL) OPENSSL_free(buf);
+       if (io != NULL) BIO_free_all(io);
+/*     if (ssl_bio != NULL) BIO_free(ssl_bio);*/
+       return(ret);
+       }
+
+#ifndef OPENSSL_NO_RSA
+static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
+       {
+       static RSA *rsa_tmp=NULL;
+
+       if (rsa_tmp == NULL)
+               {
+               if (!s_quiet)
+                       {
+                       BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
+                       (void)BIO_flush(bio_err);
+                       }
+               rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
+               if (!s_quiet)
+                       {
+                       BIO_printf(bio_err,"\n");
+                       (void)BIO_flush(bio_err);
+                       }
+               }
+       return(rsa_tmp);
+       }
+#endif
+
+#define MAX_SESSION_ID_ATTEMPTS 10
+static int generate_session_id(const SSL *ssl, unsigned char *id,
+                               unsigned int *id_len)
+       {
+       unsigned int count = 0;
+       do      {
+               RAND_pseudo_bytes(id, *id_len);
+               /* Prefix the session_id with the required prefix. NB: If our
+                * prefix is too long, clip it - but there will be worse effects
+                * anyway, eg. the server could only possibly create 1 session
+                * ID (ie. the prefix!) so all future session negotiations will
+                * fail due to conflicts. */
+               memcpy(id, session_id_prefix,
+                       (strlen(session_id_prefix) < *id_len) ?
+                       strlen(session_id_prefix) : *id_len);
+               }
+       while(SSL_has_matching_session_id(ssl, id, *id_len) &&
+               (++count < MAX_SESSION_ID_ATTEMPTS));
+       if(count >= MAX_SESSION_ID_ATTEMPTS)
+               return 0;
+       return 1;
+       }