diff options
| -rw-r--r-- | lib/ratp.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/lib/ratp.c b/lib/ratp.c index 22e83636fd..0d384aa4e9 100644 --- a/lib/ratp.c +++ b/lib/ratp.c @@ -619,21 +619,25 @@ static void ratp_behaviour_b(struct ratp_internal *ri, void *pkt) if (hdr->control & RATP_CONTROL_SYN) { uint8_t control; + ri->sn_received = ratp_sn(hdr); + if (hdr->control & RATP_CONTROL_ACK) { control = ratp_set_sn(ratp_an(hdr)) | ratp_set_an(!ratp_sn(hdr)) | RATP_CONTROL_ACK; + ratp_send_hdr(ri, control); + ratp_state_change(ri, RATP_STATE_ESTABLISHED); } else { + struct ratp_header synack = {}; + control = ratp_set_an(!ratp_sn(hdr)) | RATP_CONTROL_SYN | RATP_CONTROL_ACK; + ratp_create_packet(ri, &synack, control, 255); + ratp_send_pkt(ri, &synack, sizeof(synack)); + ratp_state_change(ri, RATP_STATE_SYN_RECEIVED); } - - ri->sn_received = ratp_sn(hdr); - - ratp_send_hdr(ri, control); - ratp_state_change(ri, RATP_STATE_ESTABLISHED); } } |