commit 5c4f4acedb8600769889cdff0940806c27b679bd Author: George Kadianakis desnacked@riseup.net Date: Mon Jul 31 17:59:12 2017 +0300

prop224: Function to inc/decrement num rendezvous stream

Add a common function for both legacy and prop224 hidden service to increment and decrement the rendezvous stream counter on an origin circuit.

Signed-off-by: David Goulet dgoulet@torproject.org --- src/or/circuituse.c | 3 +-- src/or/connection_edge.c | 10 +--------- src/or/hs_common.c | 34 ++++++++++++++++++++++++++++++++++ src/or/hs_common.h | 3 +++ 4 files changed, 39 insertions(+), 11 deletions(-)

diff --git a/src/or/circuituse.c b/src/or/circuituse.c index 66006542d..21cc9c540 100644 --- a/src/or/circuituse.c +++ b/src/or/circuituse.c @@ -1383,8 +1383,7 @@ circuit_detach_stream(circuit_t *circ, edge_connection_t *conn) * number of streams on the circuit associated with the rend service. */ if (circ->purpose == CIRCUIT_PURPOSE_S_REND_JOINED) { - tor_assert(origin_circ->rend_data); - origin_circ->rend_data->nr_streams--; + hs_dec_rdv_stream_counter(origin_circ); } return; } diff --git a/src/or/connection_edge.c b/src/or/connection_edge.c index 9f0cc061e..12ddc7e82 100644 --- a/src/or/connection_edge.c +++ b/src/or/connection_edge.c @@ -3139,15 +3139,7 @@ handle_hs_exit_conn(circuit_t *circ, edge_connection_t *conn) conn->on_circuit = circ; assert_circuit_ok(circ);

- if (origin_circ->rend_data) { - origin_circ->rend_data->nr_streams++; - } else if (origin_circ->hs_ident) { - origin_circ->hs_ident->num_rdv_streams++; - } else { - /* The previous if/else at the start of the function guarantee that we'll - * never end up in a else situation unless it's freed in between. */ - tor_assert(0); - } + hs_inc_rdv_stream_counter(origin_circ);

/* Connect tor to the hidden service destination. */ connection_exit_connect(conn); diff --git a/src/or/hs_common.c b/src/or/hs_common.c index 2b637eb78..0d3d41b7c 100644 --- a/src/or/hs_common.c +++ b/src/or/hs_common.c @@ -1333,3 +1333,37 @@ hs_free_all(void) hs_cache_free_all(); }

+/* For the given origin circuit circ, decrement the number of rendezvous + * stream counter. This handles every hidden service version. */ +void +hs_dec_rdv_stream_counter(origin_circuit_t *circ) +{ + tor_assert(circ); + + if (circ->rend_data) { + circ->rend_data->nr_streams--; + } else if (circ->hs_ident) { + circ->hs_ident->num_rdv_streams--; + } else { + /* Should not be called if this circuit is not for hidden service. */ + tor_assert_nonfatal_unreached(); + } +} + +/* For the given origin circuit circ, increment the number of rendezvous + * stream counter. This handles every hidden service version. */ +void +hs_inc_rdv_stream_counter(origin_circuit_t *circ) +{ + tor_assert(circ); + + if (circ->rend_data) { + circ->rend_data->nr_streams++; + } else if (circ->hs_ident) { + circ->hs_ident->num_rdv_streams++; + } else { + /* Should not be called if this circuit is not for hidden service. */ + tor_assert_nonfatal_unreached(); + } +} + diff --git a/src/or/hs_common.h b/src/or/hs_common.h index 5004e0208..fd2a1f4e3 100644 --- a/src/or/hs_common.h +++ b/src/or/hs_common.h @@ -222,6 +222,9 @@ void hs_get_responsible_hsdirs(const ed25519_public_key_t *blinded_pk,

int hs_set_conn_addr_port(const smartlist_t *ports, edge_connection_t *conn);

+void hs_inc_rdv_stream_counter(origin_circuit_t *circ); +void hs_dec_rdv_stream_counter(origin_circuit_t *circ); + #ifdef HS_COMMON_PRIVATE

STATIC void get_disaster_srv(uint64_t time_period_num, uint8_t *srv_out);