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MINOR: quic: Disable the active connection migrations

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Set "disable_active_migration" transport parameter to inform the peer
haproxy listeners does not the connection migration feature.
Also drop all received datagrams with a modified source address.

Must be backported to 2.7.
This commit is contained in:
Frdric Lcaille 2023-01-12 08:29:23 +01:00 committed by Willy Tarreau
parent f676954f72
commit 6fc86974cf
2 changed files with 16 additions and 1 deletions
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13
src/quic_conn.c
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@ -6360,6 +6360,19 @@ static int qc_handle_conn_migration(struct quic_conn *qc,
{ {
TRACE_ENTER(QUIC_EV_CONN_LPKT, qc); TRACE_ENTER(QUIC_EV_CONN_LPKT, qc);
/* RFC 9000. Connection Migration
*
* If the peer sent the disable_active_migration transport parameter,
* an endpoint also MUST NOT send packets (including probing packets;
* see Section 9.1) from a different local address to the address the peer
* used during the handshake, unless the endpoint has acted on a
* preferred_address transport parameter from the peer.
*/
if (qc->li->bind_conf->quic_params.disable_active_migration) {
TRACE_ERROR("Active migration was disabled, datagram dropped", QUIC_EV_CONN_LPKT, qc);
goto err;
}
/* RFC 9000 9. Connection Migration /* RFC 9000 9. Connection Migration
* *
* The design of QUIC relies on endpoints retaining a stable address for * The design of QUIC relies on endpoints retaining a stable address for

4
src/quic_tp.c
View File

@ -70,8 +70,10 @@ void quic_transport_params_init(struct quic_transport_params *p, int server)
p->initial_max_stream_data_uni = ncb_size; p->initial_max_stream_data_uni = ncb_size;
p->initial_max_data = (max_streams_bidi + max_streams_uni) * ncb_size; p->initial_max_data = (max_streams_bidi + max_streams_uni) * ncb_size;
if (server) if (server) {
p->with_stateless_reset_token = 1; p->with_stateless_reset_token = 1;
p->disable_active_migration = 1;
}
p->active_connection_id_limit = 8; p->active_connection_id_limit = 8;