BC-32.pl: pre-1.0.2-specific refresh for Borland C.
[openssl.git] / ssl / t1_lib.c
index 33afdeba33e5def24274e8d0ca39c5e18809bfc6..29ccd833ec06eb36c64163209c99885694de6ff2 100644 (file)
@@ -662,6 +662,36 @@ unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned cha
                 }
 #endif
 
+#ifdef TLSEXT_TYPE_padding
+       /* Add padding to workaround bugs in F5 terminators.
+        * See https://tools.ietf.org/html/draft-agl-tls-padding-02
+        *
+        * NB: because this code works out the length of all existing
+        * extensions it MUST always appear last.
+        */
+       {
+       int hlen = ret - (unsigned char *)s->init_buf->data;
+       /* The code in s23_clnt.c to build ClientHello messages includes the
+        * 5-byte record header in the buffer, while the code in s3_clnt.c does
+        * not. */
+       if (s->state == SSL23_ST_CW_CLNT_HELLO_A)
+               hlen -= 5;
+       if (hlen > 0xff && hlen < 0x200)
+               {
+               hlen = 0x200 - hlen;
+               if (hlen >= 4)
+                       hlen -= 4;
+               else
+                       hlen = 0;
+
+               s2n(TLSEXT_TYPE_padding, ret);
+               s2n(hlen, ret);
+               memset(ret, 0, hlen);
+               ret += hlen;
+               }
+       }
+#endif
+
        if ((extdatalen = ret-p-2)== 0) 
                return p;
 
@@ -1261,7 +1291,7 @@ int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **p, unsigned char *d, in
                                }
                        }
                else if (type == TLSEXT_TYPE_status_request &&
-                        s->version != DTLS1_VERSION && s->ctx->tlsext_status_cb)
+                        s->version != DTLS1_VERSION)
                        {
                
                        if (size < 5)