Fix: shadowsocks not working

shadowsocks.h

@@ -30,6 +30,6 @@ typedef union {
     unsigned char addr_type;
     ss_header_ipv4 v4;
     ss_header_ipv6 v6;
-} ss_header;
+} PACKED ss_header;
 
 #endif

utils.c

@@ -306,6 +306,13 @@ struct bufferevent* red_connect_relay_tfo(const char *ifname,
 
     retval = red_prepare_relay(ifname, addr->ss_family, readcb, writecb, errorcb, cbarg);
     if (retval) {
+        // write data to evbuffer so that data can be sent when connection is set up
+        if (bufferevent_write(retval, data, *len) != 0) {
+            log_errno(LOG_NOTICE, "bufferevent_write");
+            *len = 0; // Nothing sent, caller needs to write data again when connection is setup.
+            goto fail;
+        }
+
         relay_fd = bufferevent_getfd(retval);
         if (timeout_write)
             bufferevent_set_timeouts(retval, NULL, timeout_write);
@@ -345,12 +352,6 @@ struct bufferevent* red_connect_relay_tfo(const char *ifname,
             log_errno(LOG_NOTICE, "connect");
             goto fail;
         }
-        // write data to evbuffer so that data can be sent when connection is set up
-        if (bufferevent_write(retval, data, *len) != 0) {
-            log_errno(LOG_NOTICE, "bufferevent_write");
-            *len = 0; // Nothing sent, caller needs to write data again when connection is setup.
-            goto fail;
-        }
     }
     return retval;