diff options
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/ice/src/dtls_srtp.vala | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/plugins/ice/src/dtls_srtp.vala b/plugins/ice/src/dtls_srtp.vala index 6987a0d2..e2817ef3 100644 --- a/plugins/ice/src/dtls_srtp.vala +++ b/plugins/ice/src/dtls_srtp.vala @@ -38,7 +38,11 @@ public class Handler { } public uint8[]? process_incoming_data(uint component_id, uint8[] data) throws Crypto.Error { - if (srtp_session.has_decrypt) { + if (data[0] >= 128) { + if (!srtp_session.has_decrypt) { + debug("Received data before SRTP session is ready, dropping."); + return null; + } if (component_id == 1) { if (data.length >= 2 && data[1] >= 192 && data[1] < 224) { return srtp_session.decrypt_rtcp(data); @@ -46,9 +50,12 @@ public class Handler { return srtp_session.decrypt_rtp(data); } if (component_id == 2) return srtp_session.decrypt_rtcp(data); - } else if (component_id == 1 && (data[0] >= 20 && data[0] <= 63)) { + } + if (component_id == 1 && data.length >= 1 && (data[0] >= 20 && data[0] < 64)) { on_data_rec(data); + return null; } + debug("Dropping unknown data from component %u", component_id); return null; } |