Fix no-ssl3 configuration option
[openssl.git] / ssl / ssltest.c
index 20b169dcd4448299330520b121342480c97773a7..9b4a320198ab9380fb193bf41e2132e76a4431e1 100644 (file)
@@ -295,7 +295,7 @@ static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 static BIO *bio_err=NULL;
 static BIO *bio_stdout=NULL;
 
-#ifndef OPENSSL_NO_NPN
+#ifndef OPENSSL_NO_NEXTPROTONEG
 /* Note that this code assumes that this is only a one element list: */
 static const char NEXT_PROTO_STRING[] = "\x09testproto";
 int npn_client = 0;
@@ -379,7 +379,7 @@ static unsigned char *alpn_selected;
  * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
  *   outlen: (output) set to the length of the resulting buffer on success.
  *   err: (maybe NULL) on failure, an error message line is written to this BIO.
- *   in: a NUL termianted string like "abc,def,ghi"
+ *   in: a NUL terminated string like "abc,def,ghi"
  *
  *   returns: a malloced buffer or NULL on failure.
  */
@@ -521,19 +521,9 @@ int custom_ext = 0;
 /* This set based on extension callbacks */
 int custom_ext_error = 0;
 
-/*Not IETF assigned supplemental data types*/
-#define CUSTOM_SUPP_DATA_TYPE_0 100
-#define CUSTOM_SUPP_DATA_TYPE_1 101
-#define CUSTOM_SUPP_DATA_TYPE_2 102
-
-const char supp_data_0_string[] = "00000";
-
-int suppdata = 0;
-int suppdata_error = 0;
-
-static int serverinfo_cli_cb(SSL* s, unsigned short ext_type,
-                            const unsigned char* in, unsigned short inlen, 
-                            int* al, void* arg)
+static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
+                                  const unsigned char *in, size_t inlen, 
+                                  int *al, void *arg)
        {
        if (ext_type == SCT_EXT_TYPE)
                serverinfo_sct_seen++;
@@ -562,27 +552,26 @@ static int verify_serverinfo()
  * 3 - ClientHello with "abc", "defg" response
  */
 
-static int custom_ext_0_cli_first_cb(SSL *s, unsigned short ext_type,
+static int custom_ext_0_cli_add_cb(SSL *s, unsigned int ext_type,
                                     const unsigned char **out,
-                                    unsigned short *outlen, void *arg)
+                                    size_t *outlen, int *al, void *arg)
        {
        if (ext_type != CUSTOM_EXT_TYPE_0)
                custom_ext_error = 1;
-       return -1;  /* Don't send an extension */
+       return 0;  /* Don't send an extension */
        }
 
-static int custom_ext_0_cli_second_cb(SSL *s, unsigned short ext_type,
+static int custom_ext_0_cli_parse_cb(SSL *s, unsigned int ext_type,
                                      const unsigned char *in,
-                                     unsigned short inlen, int *al,
+                                     size_t inlen, int *al,
                                      void *arg)
        {
-       custom_ext_error = 1; /* Shouldn't be called */
-       return 0;
+       return 1;
        }
 
-static int custom_ext_1_cli_first_cb(SSL *s, unsigned short ext_type,
+static int custom_ext_1_cli_add_cb(SSL *s, unsigned int ext_type,
                                     const unsigned char **out,
-                                    unsigned short *outlen, void *arg)
+                                    size_t *outlen, int *al, void *arg)
        {
        if (ext_type != CUSTOM_EXT_TYPE_1)
                custom_ext_error = 1;
@@ -591,18 +580,17 @@ static int custom_ext_1_cli_first_cb(SSL *s, unsigned short ext_type,
        return 1; /* Send "abc" */
        }
 
-static int custom_ext_1_cli_second_cb(SSL *s, unsigned short ext_type,
+static int custom_ext_1_cli_parse_cb(SSL *s, unsigned int ext_type,
                                      const unsigned char *in,
-                                     unsigned short inlen, int *al,
+                                     size_t inlen, int *al,
                                      void *arg)
        {
-       custom_ext_error = 1; /* Shouldn't be called */
-       return 0;
+       return 1;
        }
 
-static int custom_ext_2_cli_first_cb(SSL *s, unsigned short ext_type,
+static int custom_ext_2_cli_add_cb(SSL *s, unsigned int ext_type,
                                     const unsigned char **out,
-                                    unsigned short *outlen, void *arg)
+                                    size_t *outlen, int *al, void *arg)
        {
        if (ext_type != CUSTOM_EXT_TYPE_2)
                custom_ext_error = 1;
@@ -611,9 +599,9 @@ static int custom_ext_2_cli_first_cb(SSL *s, unsigned short ext_type,
        return 1; /* Send "abc" */
        }
 
-static int custom_ext_2_cli_second_cb(SSL *s, unsigned short ext_type,
+static int custom_ext_2_cli_parse_cb(SSL *s, unsigned int ext_type,
                                      const unsigned char *in,
-                                     unsigned short inlen, int *al,
+                                     size_t inlen, int *al,
                                      void *arg)
        {
        if (ext_type != CUSTOM_EXT_TYPE_2)
@@ -623,9 +611,9 @@ static int custom_ext_2_cli_second_cb(SSL *s, unsigned short ext_type,
        return 1;
        }
 
-static int custom_ext_3_cli_first_cb(SSL *s, unsigned short ext_type,
+static int custom_ext_3_cli_add_cb(SSL *s, unsigned int ext_type,
                                     const unsigned char **out,
-                                    unsigned short *outlen, void *arg)
+                                    size_t *outlen, int *al, void *arg)
        {
        if (ext_type != CUSTOM_EXT_TYPE_3)
                custom_ext_error = 1;
@@ -634,9 +622,9 @@ static int custom_ext_3_cli_first_cb(SSL *s, unsigned short ext_type,
        return 1; /* Send "abc" */
        }
 
-static int custom_ext_3_cli_second_cb(SSL *s, unsigned short ext_type,
+static int custom_ext_3_cli_parse_cb(SSL *s, unsigned int ext_type,
                                      const unsigned char *in,
-                                     unsigned short inlen, int *al,
+                                     size_t inlen, int *al,
                                      void *arg)
        {
        if (ext_type != CUSTOM_EXT_TYPE_3)
@@ -648,28 +636,30 @@ static int custom_ext_3_cli_second_cb(SSL *s, unsigned short ext_type,
        return 1;
        }
 
-
-static int custom_ext_0_srv_first_cb(SSL *s, unsigned short ext_type,
+/* custom_ext_0_cli_add_cb returns 0 - the server won't receive a callback for this extension */
+static int custom_ext_0_srv_parse_cb(SSL *s, unsigned int ext_type,
                                     const unsigned char *in,
-                                    unsigned short inlen, int *al,
+                                    size_t inlen, int *al,
                                     void *arg)
        {
        custom_ext_error = 1;
-       return 0; /* Shouldn't be called */
+       return 1;
        }
 
-static int custom_ext_0_srv_second_cb(SSL *s, unsigned short ext_type,
+/* 'add' callbacks are only called if the 'parse' callback is called */
+static int custom_ext_0_srv_add_cb(SSL *s, unsigned int ext_type,
                                      const unsigned char **out,
-                                     unsigned short *outlen, void *arg)
+                                     size_t *outlen, int *al, void *arg)
        {
+       /* Error: should not have been called */
        custom_ext_error = 1;
-       return 0; /* Shouldn't be called */
+        return 0; /* Don't send an extension */
        }
 
-static int custom_ext_1_srv_first_cb(SSL *s, unsigned short ext_type,
-                                    const unsigned char *in,
-                                    unsigned short inlen, int *al,
-                                    void *arg)
+static int custom_ext_1_srv_parse_cb(SSL *s, unsigned int ext_type,
+                               const unsigned char *in,
+                               size_t inlen, int *al,
+                               void *arg)
        {
        if (ext_type != CUSTOM_EXT_TYPE_1)
                custom_ext_error = 1;           
@@ -681,16 +671,16 @@ static int custom_ext_1_srv_first_cb(SSL *s, unsigned short ext_type,
        return 1;
        }
 
-static int custom_ext_1_srv_second_cb(SSL *s, unsigned short ext_type,
+static int custom_ext_1_srv_add_cb(SSL *s, unsigned int ext_type,
                                      const unsigned char **out,
-                                     unsigned short *outlen, void *arg)
+                                     size_t *outlen, int *al, void *arg)
        {
-       return -1; /* Don't send an extension */
+       return 0; /* Don't send an extension */
        }
 
-static int custom_ext_2_srv_first_cb(SSL *s, unsigned short ext_type,
+static int custom_ext_2_srv_parse_cb(SSL *s, unsigned int ext_type,
                                     const unsigned char *in,
-                                    unsigned short inlen, int *al,
+                                    size_t inlen, int *al,
                                     void *arg)
        {
        if (ext_type != CUSTOM_EXT_TYPE_2)
@@ -703,18 +693,18 @@ static int custom_ext_2_srv_first_cb(SSL *s, unsigned short ext_type,
        return 1;
        }
 
-static int custom_ext_2_srv_second_cb(SSL *s, unsigned short ext_type,
+static int custom_ext_2_srv_add_cb(SSL *s, unsigned int ext_type,
                                      const unsigned char **out,
-                                     unsigned short *outlen, void *arg)
+                                     size_t *outlen, int *al, void *arg)
        {
        *out = NULL;
        *outlen = 0;
        return 1; /* Send empty extension */
        }
 
-static int custom_ext_3_srv_first_cb(SSL *s, unsigned short ext_type,
+static int custom_ext_3_srv_parse_cb(SSL *s, unsigned int ext_type,
                                     const unsigned char *in,
-                                    unsigned short inlen, int *al,
+                                    size_t inlen, int *al,
                                     void *arg)
        {
        if (ext_type != CUSTOM_EXT_TYPE_3)
@@ -727,119 +717,15 @@ static int custom_ext_3_srv_first_cb(SSL *s, unsigned short ext_type,
        return 1;
        }
 
-static int custom_ext_3_srv_second_cb(SSL *s, unsigned short ext_type,
+static int custom_ext_3_srv_add_cb(SSL *s, unsigned int ext_type,
                                      const unsigned char **out,
-                                     unsigned short *outlen, void *arg)
+                                     size_t *outlen, int *al, void *arg)
        {
        *out = (const unsigned char*)custom_ext_srv_string;
        *outlen = strlen(custom_ext_srv_string);
        return 1; /* Send "defg" */
        }
 
-static int supp_data_0_srv_first_cb(SSL *s, unsigned short supp_data_type,
-                                   const unsigned char **out,
-                                   unsigned short *outlen, void *arg)
-       {
-       *out = (const unsigned char*)supp_data_0_string;
-       *outlen = strlen(supp_data_0_string);
-       if (arg != s)
-               suppdata_error = 1;
-       return 1;
-       }
-
-static int supp_data_0_srv_second_cb(SSL *s, unsigned short supp_data_type,
-                                    const unsigned char *in,
-                                    unsigned short inlen, int *al,
-                                    void *arg)
-       {
-       if (supp_data_type != CUSTOM_SUPP_DATA_TYPE_0)
-               suppdata_error = 1;
-       if (inlen != strlen(supp_data_0_string))
-               suppdata_error = 1;
-       if (memcmp(in, supp_data_0_string, inlen) != 0)
-               suppdata_error = 1;
-       if (arg != s)
-               suppdata_error = 1;
-       return 1;
-       }
-
-static int supp_data_1_srv_first_cb(SSL *s, unsigned short supp_data_type,
-                                   const unsigned char **out,
-                                   unsigned short *outlen, void *arg)
-       {
-       return -1;
-       }
-
-static int supp_data_1_srv_second_cb(SSL *s, unsigned short supp_data_type,
-                                    const unsigned char *in,
-                                    unsigned short inlen, int *al,
-                                    void *arg)
-       {
-       suppdata_error = 1;
-       return 1;
-       }
-
-static int supp_data_2_srv_second_cb(SSL *s, unsigned short supp_data_type,
-                                    const unsigned char *in,
-                                    unsigned short inlen, int *al,
-                                    void *arg)
-       {
-       suppdata_error = 1;
-       return 1;
-       }
-
-static int supp_data_0_cli_first_cb(SSL *s, unsigned short supp_data_type,
-                                   const unsigned char *in,
-                                   unsigned short inlen, int *al,
-                                   void *arg)
-       {
-       if (supp_data_type != CUSTOM_SUPP_DATA_TYPE_0)
-               suppdata_error = 1;
-       if (inlen != strlen(supp_data_0_string))
-               suppdata_error = 1;
-       if (memcmp(in, supp_data_0_string, inlen) != 0)
-               suppdata_error = 1;
-       if (arg != s)
-               suppdata_error = 1;
-       return 1;
-       }
-
-static int supp_data_0_cli_second_cb(SSL *s, unsigned short supp_data_type,
-                                    const unsigned char **out,
-                                    unsigned short *outlen, void *arg)
-       {
-       *out = (const unsigned char*)supp_data_0_string;
-       *outlen = strlen(supp_data_0_string);
-       if (arg != s)
-               suppdata_error = 1;
-       return 1;
-       }
-
-static int supp_data_1_cli_first_cb(SSL *s, unsigned short supp_data_type,
-                                   const unsigned char *in,
-                                   unsigned short inlen, int *al,
-                                   void *arg)
-       {
-       suppdata_error = 1;
-       return 1;
-       }
-
-static int supp_data_1_cli_second_cb(SSL *s, unsigned short supp_data_type,
-                                    const unsigned char **out,
-                                    unsigned short *outlen, void *arg)
-       {
-       return -1;
-       }
-
-static int supp_data_2_cli_first_cb(SSL *s, unsigned short supp_data_type,
-                                   const unsigned char *in,
-                                   unsigned short inlen, int *al,
-                                   void *arg)
-       {
-       suppdata_error = 1;
-       return 1;
-       }
-
 static char *cipher=NULL;
 static int verbose=0;
 static int debug=0;
@@ -866,7 +752,7 @@ static void sv_usage(void)
        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," -proxy_cond <val> - expression 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");
@@ -914,7 +800,7 @@ static void sv_usage(void)
                       "                 (default is sect163r2).\n");
 #endif
        fprintf(stderr," -test_cipherlist - verifies the order of the ssl cipher lists\n");
-#ifndef OPENSSL_NO_NPN
+#ifndef OPENSSL_NO_NEXTPROTONEG
        fprintf(stderr," -npn_client - have client side offer NPN\n");
        fprintf(stderr," -npn_server - have server side offer NPN\n");
        fprintf(stderr," -npn_server_reject - have server reject NPN\n");
@@ -926,7 +812,6 @@ static void sv_usage(void)
        fprintf(stderr," -alpn_client <string> - have client side offer ALPN\n");
        fprintf(stderr," -alpn_server <string> - have server side offer ALPN\n");
        fprintf(stderr," -alpn_expected <string> - the ALPN protocol that should be negotiated\n");
-       fprintf(stderr, "-suppdata - exercise supplemental data callbacks\n");
        }
 
 static void print_details(SSL *c_ssl, const char *prefix)
@@ -1143,7 +1028,7 @@ int main(int argc, char *argv[])
 #ifdef OPENSSL_FIPS
                        fips_mode=1;
 #else
-                       fprintf(stderr,"not compiled with FIPS support, so exitting without running.\n");
+                       fprintf(stderr,"not compiled with FIPS support, so exiting without running.\n");
                        EXIT(0);
 #endif
                        }
@@ -1325,7 +1210,7 @@ int main(int argc, char *argv[])
                        {
                        test_cipherlist = 1;
                        }
-#ifndef OPENSSL_NO_NPN
+#ifndef OPENSSL_NO_NEXTPROTONEG
                else if (strcmp(*argv,"-npn_client") == 0)
                        {
                        npn_client = 1;
@@ -1371,10 +1256,6 @@ int main(int argc, char *argv[])
                        if (--argc < 1) goto bad;
                        alpn_expected = *(++argv);
                        }
-               else if (strcmp(*argv,"-suppdata") == 0)
-                       {
-                       suppdata = 1;
-                       }
                else
                        {
                        fprintf(stderr,"unknown option %s\n",*argv);
@@ -1510,6 +1391,11 @@ bad:
                ERR_print_errors(bio_err);
                goto end;
                }
+       /* Since we will use low security ciphersuites and keys for
+        * testing set security level to zero.
+        */
+       SSL_CTX_set_security_level(c_ctx, 0);
+       SSL_CTX_set_security_level(s_ctx, 0);
 
        if (cipher != NULL)
                {
@@ -1680,7 +1566,7 @@ bad:
                }
 #endif
 
-#ifndef OPENSSL_NO_NPN
+#ifndef OPENSSL_NO_NEXTPROTONEG
        if (npn_client)
                {
                SSL_CTX_set_next_proto_select_cb(c_ctx, cb_client_npn, NULL);
@@ -1701,11 +1587,13 @@ bad:
 #endif
 
        if (serverinfo_sct)
-               SSL_CTX_set_custom_cli_ext(c_ctx, SCT_EXT_TYPE, NULL, 
-                                          serverinfo_cli_cb, NULL);
+               SSL_CTX_add_client_custom_ext(c_ctx, SCT_EXT_TYPE,
+                                             NULL, NULL, NULL,
+                                             serverinfo_cli_parse_cb, NULL);
        if (serverinfo_tack)
-               SSL_CTX_set_custom_cli_ext(c_ctx, TACK_EXT_TYPE, NULL,
-                                          serverinfo_cli_cb, NULL);
+               SSL_CTX_add_client_custom_ext(c_ctx, TACK_EXT_TYPE,
+                                             NULL, NULL, NULL,
+                                             serverinfo_cli_parse_cb, NULL);
 
        if (serverinfo_file)
                if (!SSL_CTX_use_serverinfo_file(s_ctx, serverinfo_file))
@@ -1716,32 +1604,40 @@ bad:
 
        if (custom_ext)
                {
-               SSL_CTX_set_custom_cli_ext(c_ctx, CUSTOM_EXT_TYPE_0, 
-                                          custom_ext_0_cli_first_cb, 
-                                          custom_ext_0_cli_second_cb, NULL);
-               SSL_CTX_set_custom_cli_ext(c_ctx, CUSTOM_EXT_TYPE_1, 
-                                          custom_ext_1_cli_first_cb, 
-                                          custom_ext_1_cli_second_cb, NULL);
-               SSL_CTX_set_custom_cli_ext(c_ctx, CUSTOM_EXT_TYPE_2, 
-                                          custom_ext_2_cli_first_cb, 
-                                          custom_ext_2_cli_second_cb, NULL);
-               SSL_CTX_set_custom_cli_ext(c_ctx, CUSTOM_EXT_TYPE_3, 
-                                          custom_ext_3_cli_first_cb, 
-                                          custom_ext_3_cli_second_cb, NULL);
-
-
-               SSL_CTX_set_custom_srv_ext(s_ctx, CUSTOM_EXT_TYPE_0, 
-                                          custom_ext_0_srv_first_cb, 
-                                          custom_ext_0_srv_second_cb, NULL);
-               SSL_CTX_set_custom_srv_ext(s_ctx, CUSTOM_EXT_TYPE_1, 
-                                          custom_ext_1_srv_first_cb, 
-                                          custom_ext_1_srv_second_cb, NULL);
-               SSL_CTX_set_custom_srv_ext(s_ctx, CUSTOM_EXT_TYPE_2, 
-                                          custom_ext_2_srv_first_cb, 
-                                          custom_ext_2_srv_second_cb, NULL);
-               SSL_CTX_set_custom_srv_ext(s_ctx, CUSTOM_EXT_TYPE_3, 
-                                          custom_ext_3_srv_first_cb, 
-                                          custom_ext_3_srv_second_cb, NULL);
+               SSL_CTX_add_client_custom_ext(c_ctx, CUSTOM_EXT_TYPE_0, 
+                                             custom_ext_0_cli_add_cb,
+                                             NULL, NULL,
+                                             custom_ext_0_cli_parse_cb, NULL);
+               SSL_CTX_add_client_custom_ext(c_ctx, CUSTOM_EXT_TYPE_1, 
+                                             custom_ext_1_cli_add_cb,
+                                             NULL, NULL,
+                                             custom_ext_1_cli_parse_cb, NULL);
+               SSL_CTX_add_client_custom_ext(c_ctx, CUSTOM_EXT_TYPE_2, 
+                                             custom_ext_2_cli_add_cb,
+                                             NULL, NULL,
+                                             custom_ext_2_cli_parse_cb, NULL);
+               SSL_CTX_add_client_custom_ext(c_ctx, CUSTOM_EXT_TYPE_3, 
+                                             custom_ext_3_cli_add_cb,
+                                             NULL, NULL,
+                                             custom_ext_3_cli_parse_cb, NULL);
+
+
+               SSL_CTX_add_server_custom_ext(s_ctx, CUSTOM_EXT_TYPE_0, 
+                                             custom_ext_0_srv_add_cb,
+                                             NULL, NULL,
+                                             custom_ext_0_srv_parse_cb, NULL);
+               SSL_CTX_add_server_custom_ext(s_ctx, CUSTOM_EXT_TYPE_1, 
+                                             custom_ext_1_srv_add_cb,
+                                             NULL, NULL,
+                                             custom_ext_1_srv_parse_cb, NULL);
+               SSL_CTX_add_server_custom_ext(s_ctx, CUSTOM_EXT_TYPE_2, 
+                                             custom_ext_2_srv_add_cb,
+                                             NULL, NULL,
+                                             custom_ext_2_srv_parse_cb, NULL);
+               SSL_CTX_add_server_custom_ext(s_ctx, CUSTOM_EXT_TYPE_3, 
+                                             custom_ext_3_srv_add_cb,
+                                             NULL, NULL,
+                                             custom_ext_3_srv_parse_cb, NULL);
                }
 
        if (alpn_server)
@@ -1764,23 +1660,6 @@ bad:
        c_ssl=SSL_new(c_ctx);
        s_ssl=SSL_new(s_ctx);
 
-       if (suppdata)
-               {
-               //TEST CASES
-               //client and server both send and receive, verify additional arg passed back
-               SSL_CTX_set_srv_supp_data(s_ctx, CUSTOM_SUPP_DATA_TYPE_0, supp_data_0_srv_first_cb, supp_data_0_srv_second_cb, s_ssl);
-               SSL_CTX_set_cli_supp_data(c_ctx, CUSTOM_SUPP_DATA_TYPE_0, supp_data_0_cli_first_cb, supp_data_0_cli_second_cb, c_ssl);
-
-               //-1 response from sending server/client doesn't receive, -1 response from sending client/server doesn't receive
-               SSL_CTX_set_srv_supp_data(s_ctx, CUSTOM_SUPP_DATA_TYPE_1, supp_data_1_srv_first_cb, supp_data_1_srv_second_cb, NULL);
-               SSL_CTX_set_cli_supp_data(c_ctx, CUSTOM_SUPP_DATA_TYPE_1, supp_data_1_cli_first_cb, supp_data_1_cli_second_cb, NULL);
-
-               //null sending server/client doesn't receive, null sending client/server doesn't receive
-               SSL_CTX_set_srv_supp_data(s_ctx, CUSTOM_SUPP_DATA_TYPE_2, /*supp_data_2_srv_first_cb*/NULL, supp_data_2_srv_second_cb, NULL);
-               SSL_CTX_set_cli_supp_data(c_ctx, CUSTOM_SUPP_DATA_TYPE_2, supp_data_2_cli_first_cb, /*supp_data_2_cli_second_cb*/NULL, NULL);
-
-               //alerts set to non-zero and zero return values not tested
-               }
 #ifndef OPENSSL_NO_KRB5
        if (c_ssl  &&  c_ssl->kssl_ctx)
                 {
@@ -2228,7 +2107,7 @@ int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
 
        if (verbose)
                print_details(c_ssl, "DONE via BIO pair: ");
-#ifndef OPENSSL_NO_NPN
+#ifndef OPENSSL_NO_NEXTPROTONEG
        if (verify_npn(c_ssl, s_ssl) < 0)
                {
                ret = 1;
@@ -2237,6 +2116,7 @@ int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
 #endif
        if (verify_serverinfo() < 0)
                {
+               fprintf(stderr, "Server info verify error\n");
                ret = 1;
                goto err;
                }
@@ -2248,6 +2128,7 @@ int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
 
        if (custom_ext_error)
                {
+               fprintf(stderr, "Custom extension error\n");
                ret = 1;
                goto err;
                }
@@ -2282,7 +2163,8 @@ end:
 
 int doit(SSL *s_ssl, SSL *c_ssl, long count)
        {
-       MS_STATIC char cbuf[1024*8],sbuf[1024*8];
+       char *cbuf=NULL,*sbuf=NULL;
+       long bufsiz;
        long cw_num=count,cr_num=count;
        long sw_num=count,sr_num=count;
        int ret=1;
@@ -2295,9 +2177,15 @@ int doit(SSL *s_ssl, SSL *c_ssl, long count)
        int done=0;
        int c_write,s_write;
        int do_server=0,do_client=0;
+       int max_frag = 5*1024;
+
+       bufsiz = count>40*1024 ? 40*1024 : count;
+
+       if ((cbuf = OPENSSL_malloc(bufsiz))==NULL) goto err;
+       if ((sbuf = OPENSSL_malloc(bufsiz))==NULL) goto err;
 
-       memset(cbuf,0,sizeof(cbuf));
-       memset(sbuf,0,sizeof(sbuf));
+       memset(cbuf,0,bufsiz);
+       memset(sbuf,0,bufsiz);
 
        c_to_s=BIO_new(BIO_s_mem());
        s_to_c=BIO_new(BIO_s_mem());
@@ -2317,10 +2205,12 @@ int doit(SSL *s_ssl, SSL *c_ssl, long count)
 
        SSL_set_connect_state(c_ssl);
        SSL_set_bio(c_ssl,s_to_c,c_to_s);
+       SSL_set_max_send_fragment(c_ssl,max_frag);
        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);
+       SSL_set_max_send_fragment(s_ssl,max_frag);
        BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
 
        c_r=0; s_r=1;
@@ -2371,8 +2261,8 @@ int doit(SSL *s_ssl, SSL *c_ssl, long count)
                        {
                        if (c_write)
                                {
-                               j = (cw_num > (long)sizeof(cbuf)) ?
-                                       (int)sizeof(cbuf) : (int)cw_num;
+                               j = (cw_num > bufsiz) ?
+                                       (int)bufsiz : (int)cw_num;
                                i=BIO_write(c_bio,cbuf,j);
                                if (i < 0)
                                        {
@@ -2405,11 +2295,13 @@ int doit(SSL *s_ssl, SSL *c_ssl, long count)
                                        s_r=1;
                                        c_write=0;
                                        cw_num-=i;
+                                       if (max_frag>1029)
+                                               SSL_set_max_send_fragment(c_ssl,max_frag-=5);
                                        }
                                }
                        else
                                {
-                               i=BIO_read(c_bio,cbuf,sizeof(cbuf));
+                               i=BIO_read(c_bio,cbuf,bufsiz);
                                if (i < 0)
                                        {
                                        c_r=0;
@@ -2457,7 +2349,7 @@ int doit(SSL *s_ssl, SSL *c_ssl, long count)
                        {
                        if (!s_write)
                                {
-                               i=BIO_read(s_bio,sbuf,sizeof(cbuf));
+                               i=BIO_read(s_bio,sbuf,bufsiz);
                                if (i < 0)
                                        {
                                        s_r=0;
@@ -2502,8 +2394,8 @@ int doit(SSL *s_ssl, SSL *c_ssl, long count)
                                }
                        else
                                {
-                               j = (sw_num > (long)sizeof(sbuf)) ?
-                                       (int)sizeof(sbuf) : (int)sw_num;
+                               j = (sw_num > bufsiz) ?
+                                       (int)bufsiz : (int)sw_num;
                                i=BIO_write(s_bio,sbuf,j);
                                if (i < 0)
                                        {
@@ -2538,6 +2430,8 @@ int doit(SSL *s_ssl, SSL *c_ssl, long count)
                                        c_r=1;
                                        if (sw_num <= 0)
                                                done|=S_DONE;
+                                       if (max_frag>1029)
+                                               SSL_set_max_send_fragment(s_ssl,max_frag-=5);
                                        }
                                }
                        }
@@ -2547,25 +2441,22 @@ int doit(SSL *s_ssl, SSL *c_ssl, long count)
 
        if (verbose)
                print_details(c_ssl, "DONE: ");
-#ifndef OPENSSL_NO_NPN
+#ifndef OPENSSL_NO_NEXTPROTONEG
        if (verify_npn(c_ssl, s_ssl) < 0)
                {
                ret = 1;
                goto err;
                }
 #endif
-       if (suppdata_error < 0)
-               {
-               ret = 1;
-               goto err;
-               }
        if (verify_serverinfo() < 0)
                {
+               fprintf(stderr, "Server info verify error\n");
                ret = 1;
                goto err;
                }
        if (custom_ext_error)
                {
+               fprintf(stderr, "Custom extension error\n");
                ret = 1;
                goto err;
                }
@@ -2593,6 +2484,10 @@ err:
        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);
+
+       if (cbuf) OPENSSL_free(cbuf);
+       if (sbuf) OPENSSL_free(sbuf);
+
        return(ret);
        }