Bug#19191 Repeated crashes on OpenBSD for ssl test cases

 - Import patch from yaSSL


extra/yassl/src/handshake.cpp:
  Import patch yassl.diff
extra/yassl/src/socket_wrapper.cpp:
  Import patch yassl.diff

extra/yassl/src/handshake.cpp

@@ -880,7 +880,7 @@ int sendData(SSL& ssl, const void* buffer, int sz)
         ssl.SetError(no_error);
 
     ssl.verfiyHandShakeComplete();
-    if (ssl.GetError()) return 0;
+    if (ssl.GetError()) return -1;
     int sent = 0;
 
     for (;;) {
@@ -891,7 +891,7 @@ int sendData(SSL& ssl, const void* buffer, int sz)
         buildMessage(ssl, out, data);
         ssl.Send(out.get_buffer(), out.get_size());
 
-        if (ssl.GetError()) return 0;
+        if (ssl.GetError()) return -1;
         sent += len;
         if (sent == sz) break;
     }
@@ -918,14 +918,14 @@ int receiveData(SSL& ssl, Data& data)
         ssl.SetError(no_error);
 
     ssl.verfiyHandShakeComplete();
-    if (ssl.GetError()) return 0;
+    if (ssl.GetError()) return -1;
 
     if (!ssl.bufferedData())
         processReply(ssl);
     ssl.fillData(data);
     ssl.useLog().ShowData(data.get_length());
 
-    if (ssl.GetError()) return 0;
+    if (ssl.GetError()) return -1;
 
     if (data.get_length() == 0 && ssl.getSocket().WouldBlock()) {
         ssl.SetError(YasslError(SSL_ERROR_WANT_READ));

extra/yassl/src/socket_wrapper.cpp

@@ -113,13 +113,22 @@ uint Socket::get_ready() const
 
 uint Socket::send(const byte* buf, unsigned int sz, int flags) const
 {
+    const byte* pos = buf;
+    const byte* end = pos + sz;
+
     assert(socket_ != INVALID_SOCKET);
-    int sent = ::send(socket_, reinterpret_cast<const char *>(buf), sz, flags);
+
+    while (pos != end) {
+        int sent = ::send(socket_, reinterpret_cast<const char *>(pos),
+                          static_cast<int>(end - pos), flags);
 
     if (sent == -1)
         return 0;
 
-    return sent;
+        pos += sent;
+    }
+
+    return sz;
 }