MNCC data size check: allow trailing data

Related: osmo-sip-connector I522ce7f206932a816a64f03d916799c3215bb8c7
3 years ago · 7552380938
parent f497357ce3
commit 7552380938
1 changed files with 1 additions and 1 deletions
--- a/mncc_sock.py
+++ b/mncc_sock.py
@ -142,7 +142,7 @@ class MnccSocket(MnccSocketBase):
                '(0x%04x vs 0x%04x)\n' % (msg.version, mncc.MNCC_SOCK_VERSION))

        # Match expected message sizes / offsets
-        if (msg.mncc_size != ctypes.sizeof(mncc.gsm_mncc) or
+        if (msg.mncc_size < ctypes.sizeof(mncc.gsm_mncc) or
            msg.data_frame_size != ctypes.sizeof(mncc.gsm_data_frame) or
            msg.called_offset != mncc.gsm_mncc.called.offset or
            msg.signal_offset != mncc.gsm_mncc.signal.offset or