commit e284b9f779e20b6afc924236f9f2fe462caa5f4c Author: David Goulet dgoulet@torproject.org Date: Thu Sep 30 10:40:19 2021 -0400
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 dgoulet@torproject.org --- 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 69d60f21c3..fa6b54b18a 100644 --- a/src/feature/hs/hs_intropoint.c +++ b/src/feature/hs/hs_intropoint.c @@ -514,7 +514,8 @@ 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: