extmod/modwebsocket: Reset mask between packets.

2016-04-09 12:29:18 +03:00 · 2016-04-09 12:29:18 +03:00 · 397b705647
commit 397b705647
parent 7e9182f3aa
1 changed files with 5 additions and 0 deletions
--- a/extmod/modwebsocket.c
+++ b/extmod/modwebsocket.c
@ -82,6 +82,11 @@ STATIC mp_uint_t websocket_read(mp_obj_t self_in, void *buf, mp_uint_t size, int
        switch (self->state) {
            case FRAME_HEADER: {
                assert(self->buf[0] & 0x80);
+
+                // Reset mask in case someone will use "simplified" protocol
+                // without masks.
+                memset(self->mask, 0, sizeof(self->mask));
+
                int to_recv = 0;
                size_t sz = self->buf[1] & 0x7f;
                if (sz == 126) {