Add -rev test option to s_server to just reverse order of characters received
authorDr. Stephen Henson <steve@openssl.org>
Fri, 14 Sep 2012 13:27:05 +0000 (13:27 +0000)
committerDr. Stephen Henson <steve@openssl.org>
Fri, 14 Sep 2012 13:27:05 +0000 (13:27 +0000)
by client and send back to server. Also prints an abbreviated summary of
the connection parameters.

CHANGES
apps/s_server.c

diff --git a/CHANGES b/CHANGES
index d11b8a3..55be362 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,11 @@
 
  Changes between 1.0.x and 1.1.0  [xx XXX xxxx]
 
+  *) Add -rev test option to s_server to just reverse order of characters
+     received by client and send back to server. Also prints an abbreviated
+     summary of the connection parameters.
+     [Steve Henson]
+
   *) New option -brief for s_client and s_server to print out a brief summary
      of connection parameters.
      [Steve Henson]
index 002de84..e89f057 100644 (file)
@@ -207,6 +207,7 @@ static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
 static int sv_body(char *hostname, int s, unsigned char *context);
 static int www_body(char *hostname, int s, unsigned char *context);
+static int rev_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);
@@ -983,6 +984,7 @@ int MAIN(int argc, char *argv[])
        STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
        EVP_PKEY *s_key = NULL, *s_dkey = NULL;
        int no_cache = 0, ext_cache = 0;
+       int rev = 0;
 #ifndef OPENSSL_NO_TLSEXT
        EVP_PKEY *s_key2 = NULL;
        X509 *s_cert2 = NULL;
@@ -1328,6 +1330,8 @@ int MAIN(int argc, char *argv[])
                        meth = TLSv1_server_method();
                        }
 #endif
+               else if (strcmp(*argv,"-rev") == 0)
+                       { rev=1; }
                else if (strcmp(*argv,"-www") == 0)
                        { www=1; }
                else if (strcmp(*argv,"-WWW") == 0)
@@ -2086,7 +2090,9 @@ bad:
 
        BIO_printf(bio_s_out,"ACCEPT\n");
        (void)BIO_flush(bio_s_out);
-       if (www)
+       if (rev)
+               do_server(port,socket_type,&accept_socket,rev_body, context);
+       else if (www)
                do_server(port,socket_type,&accept_socket,www_body, context);
        else
                do_server(port,socket_type,&accept_socket,sv_body, context);
@@ -3210,6 +3216,146 @@ err:
        return(ret);
        }
 
+static int rev_body(char *hostname, int s, unsigned char *context)
+       {
+       char *buf=NULL;
+       int i;
+       int ret=1;
+       SSL *con;
+       BIO *io,*ssl_bio,*sbio;
+#ifndef OPENSSL_NO_KRB5
+       KSSL_CTX *kctx;
+#endif
+
+       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;
+
+       /* 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_TLSEXT
+       if (s_tlsextdebug)
+               {
+               SSL_set_tlsext_debug_callback(con, tlsext_cb);
+               SSL_set_tlsext_debug_arg(con, bio_s_out);
+               }
+#endif
+#ifndef OPENSSL_NO_KRB5
+       if ((kctx = kssl_ctx_new()) != NULL)
+               {
+               kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
+               kssl_ctx_setstring(kctx, 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);
+       SSL_set_bio(con,sbio,sbio);
+       SSL_set_accept_state(con);
+
+       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)
+               {
+               SSL_set_debug(con, 1);
+               BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
+               BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
+               }
+       if (s_msg)
+               {
+#ifndef OPENSSL_NO_SSL_TRACE
+               if (s_msg == 2)
+                       SSL_set_msg_callback(con, SSL_trace);
+               else
+#endif
+                       SSL_set_msg_callback(con, msg_cb);
+               SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
+               }
+
+       for (;;)
+               {
+               i = BIO_do_handshake(io);
+               if (i > 0)
+                       break;
+               if (!BIO_should_retry(io))
+                       {
+                       BIO_puts(bio_err, "CONNECTION FAILURE\n");
+                       ERR_print_errors(bio_err);
+                       goto end;
+                       }
+               }
+       BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
+       print_ssl_summary(bio_err, con);
+
+       for (;;)
+               {
+               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_NETWARE)
+            delay(1000);
+#elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
+                               sleep(1);
+#endif
+                               continue;
+                               }
+                       }
+               else if (i == 0) /* end of input */
+                       {
+                       ret=1;
+                       BIO_printf(bio_err, "CONNECTION CLOSED\n");
+                       goto end;
+                       }
+               else
+                       {
+                       char *p = buf + i - 1;
+                       while(i && (*p == '\n' || *p == '\r'))
+                               {
+                               p--;
+                               i--;
+                               }
+                       BUF_reverse((unsigned char *)buf, NULL, i);
+                       buf[i] = '\n';
+                       BIO_write(io, buf, i + 1);
+                       for (;;)
+                               {
+                               i = BIO_flush(io);
+                               if (i > 0)
+                                       break;
+                               if (!BIO_should_retry(io))
+                                       goto end;
+                               }
+                       }
+               }
+end:
+       /* make sure we re-use sessions */
+       SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
+
+err:
+
+       if (buf != NULL) OPENSSL_free(buf);
+       if (io != NULL) BIO_free_all(io);
+       return(ret);
+       }
+
 #ifndef OPENSSL_NO_RSA
 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
        {