From ff3ac02702df8b32ef4c1ddb60816ac30400a617 Mon Sep 17 00:00:00 2001 From: David Goulet Date: Thu, 30 Sep 2021 10:40:19 -0400 Subject: hs-v2: Disable version 2 introduction point Upon receiving a v2 introduction request, the relay will close the circuit and send back a tor protocol error. Part of #40476 Signed-off-by: David Goulet --- src/feature/hs/hs_intropoint.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/feature/hs/hs_intropoint.c b/src/feature/hs/hs_intropoint.c index 7717ed53d4..9c886228c5 100644 --- a/src/feature/hs/hs_intropoint.c +++ b/src/feature/hs/hs_intropoint.c @@ -320,7 +320,8 @@ hs_intro_received_establish_intro(or_circuit_t *circ, const uint8_t *request, switch (first_byte) { case TRUNNEL_HS_INTRO_AUTH_KEY_TYPE_LEGACY0: case TRUNNEL_HS_INTRO_AUTH_KEY_TYPE_LEGACY1: - return rend_mid_establish_intro_legacy(circ, request, request_len); + /* Don't accept version 2 introduction anymore. */ + goto err; case TRUNNEL_HS_INTRO_AUTH_KEY_TYPE_ED25519: return handle_establish_intro(circ, request, request_len); default: -- cgit v1.2.3-54-g00ecf