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Merge branch 'maint-0.4.1' into maint-0.4.2
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commit
2d7e08d57e
6
changes/ticket33491
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6
changes/ticket33491
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@ -0,0 +1,6 @@
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o Major bugfixes (DoS defenses, bridges, pluggable transport):
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- DoS subsystem was not given the transport name of the client connection
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when tor is a bridge and thus failing to find the GeoIP cache entry for
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that client address. This resulted in failing to apply DoS defenses on
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bridges with a pluggable transport. Fixes bug 33491; bugfix on
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0.3.3.2-alpha.
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@ -1882,7 +1882,7 @@ channel_do_open_actions(channel_t *chan)
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tor_free(transport_name);
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/* Notify the DoS subsystem of a new client. */
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if (tlschan && tlschan->conn) {
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dos_new_client_conn(tlschan->conn);
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dos_new_client_conn(tlschan->conn, transport_name);
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}
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}
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/* Otherwise the underlying transport can't tell us this, so skip it */
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@ -671,7 +671,7 @@ dos_log_heartbeat(void)
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/* Called when a new client connection has been established on the given
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* address. */
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void
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dos_new_client_conn(or_connection_t *or_conn)
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dos_new_client_conn(or_connection_t *or_conn, const char *transport_name)
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{
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clientmap_entry_t *entry;
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@ -692,7 +692,7 @@ dos_new_client_conn(or_connection_t *or_conn)
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}
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/* We are only interested in client connection from the geoip cache. */
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entry = geoip_lookup_client(&or_conn->real_addr, NULL,
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entry = geoip_lookup_client(&or_conn->real_addr, transport_name,
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GEOIP_CLIENT_CONNECT);
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if (BUG(entry == NULL)) {
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/* Should never happen because we note down the address in the geoip
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@ -53,7 +53,8 @@ int dos_enabled(void);
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void dos_log_heartbeat(void);
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void dos_geoip_entry_about_to_free(const struct clientmap_entry_t *geoip_ent);
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void dos_new_client_conn(or_connection_t *or_conn);
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void dos_new_client_conn(or_connection_t *or_conn,
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const char *transport_name);
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void dos_close_client_conn(const or_connection_t *or_conn);
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int dos_should_refuse_single_hop_client(void);
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@ -79,7 +79,7 @@ test_dos_conn_creation(void *arg)
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{ /* Register many conns from this client but not enough to get it blocked */
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unsigned int i;
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for (i = 0; i < max_concurrent_conns; i++) {
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dos_new_client_conn(&or_conn);
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dos_new_client_conn(&or_conn, NULL);
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}
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}
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@ -88,7 +88,7 @@ test_dos_conn_creation(void *arg)
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dos_conn_addr_get_defense_type(addr));
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/* Register another conn and check that new conns are not allowed anymore */
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dos_new_client_conn(&or_conn);
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dos_new_client_conn(&or_conn, NULL);
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tt_int_op(DOS_CONN_DEFENSE_CLOSE, OP_EQ,
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dos_conn_addr_get_defense_type(addr));
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@ -98,7 +98,7 @@ test_dos_conn_creation(void *arg)
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dos_conn_addr_get_defense_type(addr));
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/* Register another conn and see that defense measures get reactivated */
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dos_new_client_conn(&or_conn);
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dos_new_client_conn(&or_conn, NULL);
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tt_int_op(DOS_CONN_DEFENSE_CLOSE, OP_EQ,
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dos_conn_addr_get_defense_type(addr));
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@ -153,7 +153,7 @@ test_dos_circuit_creation(void *arg)
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* circuit counting subsystem */
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geoip_note_client_seen(GEOIP_CLIENT_CONNECT, addr, NULL, now);
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for (i = 0; i < min_conc_conns_for_cc ; i++) {
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dos_new_client_conn(&or_conn);
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dos_new_client_conn(&or_conn, NULL);
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}
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/* Register new circuits for this client and conn, but not enough to get
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@ -217,7 +217,7 @@ test_dos_bucket_refill(void *arg)
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/* Register this client */
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geoip_note_client_seen(GEOIP_CLIENT_CONNECT, addr, NULL, now);
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dos_new_client_conn(&or_conn);
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dos_new_client_conn(&or_conn, NULL);
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/* Fetch this client from the geoip cache and get its DoS structs */
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clientmap_entry_t *entry = geoip_lookup_client(addr, NULL,
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@ -460,11 +460,11 @@ test_known_relay(void *arg)
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geoip_note_client_seen(GEOIP_CLIENT_CONNECT, &or_conn.real_addr, NULL, 0);
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/* Suppose we have 5 connections in rapid succession, the counter should
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* always be 0 because we should ignore this. */
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dos_new_client_conn(&or_conn);
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dos_new_client_conn(&or_conn);
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dos_new_client_conn(&or_conn);
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dos_new_client_conn(&or_conn);
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dos_new_client_conn(&or_conn);
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dos_new_client_conn(&or_conn, NULL);
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dos_new_client_conn(&or_conn, NULL);
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dos_new_client_conn(&or_conn, NULL);
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dos_new_client_conn(&or_conn, NULL);
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dos_new_client_conn(&or_conn, NULL);
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entry = geoip_lookup_client(&or_conn.real_addr, NULL, GEOIP_CLIENT_CONNECT);
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tt_assert(entry);
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/* We should have a count of 0. */
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@ -474,8 +474,8 @@ test_known_relay(void *arg)
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* connection and see if we do get it. */
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tor_addr_parse(&or_conn.real_addr, "42.42.42.43");
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geoip_note_client_seen(GEOIP_CLIENT_CONNECT, &or_conn.real_addr, NULL, 0);
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dos_new_client_conn(&or_conn);
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dos_new_client_conn(&or_conn);
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dos_new_client_conn(&or_conn, NULL);
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dos_new_client_conn(&or_conn, NULL);
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entry = geoip_lookup_client(&or_conn.real_addr, NULL, GEOIP_CLIENT_CONNECT);
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tt_assert(entry);
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/* We should have a count of 2. */
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