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Diffstat (limited to 'src/or/connection.c')
-rw-r--r--src/or/connection.c65
1 files changed, 58 insertions, 7 deletions
diff --git a/src/or/connection.c b/src/or/connection.c
index 28de35b3a8..8c66a170e7 100644
--- a/src/or/connection.c
+++ b/src/or/connection.c
@@ -10,6 +10,7 @@
* on connections.
**/
+#define CONNECTION_PRIVATE
#include "or.h"
#include "buffers.h"
/*
@@ -33,6 +34,7 @@
#include "dns.h"
#include "dnsserv.h"
#include "entrynodes.h"
+#include "ext_orport.h"
#include "geoip.h"
#include "main.h"
#include "policies.h"
@@ -98,6 +100,7 @@ static smartlist_t *outgoing_addrs = NULL;
#define CASE_ANY_LISTENER_TYPE \
case CONN_TYPE_OR_LISTENER: \
+ case CONN_TYPE_EXT_OR_LISTENER: \
case CONN_TYPE_AP_LISTENER: \
case CONN_TYPE_DIR_LISTENER: \
case CONN_TYPE_CONTROL_LISTENER: \
@@ -129,6 +132,8 @@ conn_type_to_string(int type)
case CONN_TYPE_CPUWORKER: return "CPU worker";
case CONN_TYPE_CONTROL_LISTENER: return "Control listener";
case CONN_TYPE_CONTROL: return "Control";
+ case CONN_TYPE_EXT_OR: return "Extended OR";
+ case CONN_TYPE_EXT_OR_LISTENER: return "Extended OR listener";
default:
log_warn(LD_BUG, "unknown connection type %d", type);
tor_snprintf(buf, sizeof(buf), "unknown [%d]", type);
@@ -165,6 +170,18 @@ conn_state_to_string(int type, int state)
case OR_CONN_STATE_OPEN: return "open";
}
break;
+ case CONN_TYPE_EXT_OR:
+ switch (state) {
+ case EXT_OR_CONN_STATE_AUTH_WAIT_AUTH_TYPE:
+ return "waiting for authentication type";
+ case EXT_OR_CONN_STATE_AUTH_WAIT_CLIENT_NONCE:
+ return "waiting for client nonce";
+ case EXT_OR_CONN_STATE_AUTH_WAIT_CLIENT_HASH:
+ return "waiting for client hash";
+ case EXT_OR_CONN_STATE_OPEN: return "open";
+ case EXT_OR_CONN_STATE_FLUSHING: return "flushing final OKAY";
+ }
+ break;
case CONN_TYPE_EXIT:
switch (state) {
case EXIT_CONN_STATE_RESOLVING: return "waiting for dest info";
@@ -229,6 +246,7 @@ connection_type_uses_bufferevent(connection_t *conn)
case CONN_TYPE_DIR:
case CONN_TYPE_CONTROL:
case CONN_TYPE_OR:
+ case CONN_TYPE_EXT_OR:
case CONN_TYPE_CPUWORKER:
return 1;
default:
@@ -259,14 +277,18 @@ dir_connection_new(int socket_family)
* Set active_circuit_pqueue_last_recalibrated to current cell_ewma tick.
*/
or_connection_t *
-or_connection_new(int socket_family)
+or_connection_new(int type, int socket_family)
{
or_connection_t *or_conn = tor_malloc_zero(sizeof(or_connection_t));
time_t now = time(NULL);
- connection_init(now, TO_CONN(or_conn), CONN_TYPE_OR, socket_family);
+ tor_assert(type == CONN_TYPE_OR || type == CONN_TYPE_EXT_OR);
+ connection_init(now, TO_CONN(or_conn), type, socket_family);
or_conn->timestamp_last_added_nonpadding = time(NULL);
+ if (type == CONN_TYPE_EXT_OR)
+ connection_or_set_ext_or_identifier(or_conn);
+
return or_conn;
}
@@ -335,7 +357,8 @@ connection_new(int type, int socket_family)
{
switch (type) {
case CONN_TYPE_OR:
- return TO_CONN(or_connection_new(socket_family));
+ case CONN_TYPE_EXT_OR:
+ return TO_CONN(or_connection_new(type, socket_family));
case CONN_TYPE_EXIT:
return TO_CONN(edge_connection_new(type, socket_family));
@@ -377,6 +400,7 @@ connection_init(time_t now, connection_t *conn, int type, int socket_family)
switch (type) {
case CONN_TYPE_OR:
+ case CONN_TYPE_EXT_OR:
conn->magic = OR_CONNECTION_MAGIC;
break;
case CONN_TYPE_EXIT:
@@ -435,7 +459,7 @@ connection_link_connections(connection_t *conn_a, connection_t *conn_b)
* necessary, close its socket if necessary, and mark the directory as dirty
* if <b>conn</b> is an OR or OP connection.
*/
-static void
+STATIC void
connection_free_(connection_t *conn)
{
void *mem;
@@ -445,6 +469,7 @@ connection_free_(connection_t *conn)
switch (conn->type) {
case CONN_TYPE_OR:
+ case CONN_TYPE_EXT_OR:
tor_assert(conn->magic == OR_CONNECTION_MAGIC);
mem = TO_OR_CONN(conn);
memlen = sizeof(or_connection_t);
@@ -575,6 +600,13 @@ connection_free_(connection_t *conn)
log_warn(LD_BUG, "called on OR conn with non-zeroed identity_digest");
connection_or_remove_from_identity_map(TO_OR_CONN(conn));
}
+ if (conn->type == CONN_TYPE_OR || conn->type == CONN_TYPE_EXT_OR) {
+ connection_or_remove_from_ext_or_id_map(TO_OR_CONN(conn));
+ tor_free(TO_OR_CONN(conn)->ext_or_conn_id);
+ tor_free(TO_OR_CONN(conn)->ext_or_auth_correct_client_hash);
+ tor_free(TO_OR_CONN(conn)->ext_or_transport);
+ }
+
#ifdef USE_BUFFEREVENTS
if (conn->type == CONN_TYPE_OR && TO_OR_CONN(conn)->bucket_cfg) {
ev_token_bucket_cfg_free(TO_OR_CONN(conn)->bucket_cfg);
@@ -638,6 +670,7 @@ connection_about_to_close_connection(connection_t *conn)
connection_dir_about_to_close(TO_DIR_CONN(conn));
break;
case CONN_TYPE_OR:
+ case CONN_TYPE_EXT_OR:
connection_or_about_to_close(TO_OR_CONN(conn));
break;
case CONN_TYPE_AP:
@@ -1367,6 +1400,9 @@ connection_init_accepted_conn(connection_t *conn,
connection_start_reading(conn);
switch (conn->type) {
+ case CONN_TYPE_EXT_OR:
+ /* Initiate Extended ORPort authentication. */
+ return connection_ext_or_start_auth(TO_OR_CONN(conn));
case CONN_TYPE_OR:
control_event_or_conn_status(TO_OR_CONN(conn), OR_CONN_EVENT_NEW, 0);
rv = connection_tls_start_handshake(TO_OR_CONN(conn), 1);
@@ -2873,6 +2909,8 @@ connection_handle_read_impl(connection_t *conn)
switch (conn->type) {
case CONN_TYPE_OR_LISTENER:
return connection_handle_listener_read(conn, CONN_TYPE_OR);
+ case CONN_TYPE_EXT_OR_LISTENER:
+ return connection_handle_listener_read(conn, CONN_TYPE_EXT_OR);
case CONN_TYPE_AP_LISTENER:
case CONN_TYPE_AP_TRANS_LISTENER:
case CONN_TYPE_AP_NATD_LISTENER:
@@ -3663,9 +3701,9 @@ connection_flush(connection_t *conn)
* it all, so we don't end up with many megabytes of controller info queued at
* once.
*/
-void
-connection_write_to_buf_impl_(const char *string, size_t len,
- connection_t *conn, int zlib)
+MOCK_IMPL(void,
+connection_write_to_buf_impl_,(const char *string, size_t len,
+ connection_t *conn, int zlib))
{
/* XXXX This function really needs to return -1 on failure. */
int r;
@@ -3905,6 +3943,7 @@ int
connection_is_listener(connection_t *conn)
{
if (conn->type == CONN_TYPE_OR_LISTENER ||
+ conn->type == CONN_TYPE_EXT_OR_LISTENER ||
conn->type == CONN_TYPE_AP_LISTENER ||
conn->type == CONN_TYPE_AP_TRANS_LISTENER ||
conn->type == CONN_TYPE_AP_DNS_LISTENER ||
@@ -3927,6 +3966,7 @@ connection_state_is_open(connection_t *conn)
return 0;
if ((conn->type == CONN_TYPE_OR && conn->state == OR_CONN_STATE_OPEN) ||
+ (conn->type == CONN_TYPE_EXT_OR) ||
(conn->type == CONN_TYPE_AP && conn->state == AP_CONN_STATE_OPEN) ||
(conn->type == CONN_TYPE_EXIT && conn->state == EXIT_CONN_STATE_OPEN) ||
(conn->type == CONN_TYPE_CONTROL &&
@@ -4096,6 +4136,8 @@ connection_process_inbuf(connection_t *conn, int package_partial)
switch (conn->type) {
case CONN_TYPE_OR:
return connection_or_process_inbuf(TO_OR_CONN(conn));
+ case CONN_TYPE_EXT_OR:
+ return connection_ext_or_process_inbuf(TO_OR_CONN(conn));
case CONN_TYPE_EXIT:
case CONN_TYPE_AP:
return connection_edge_process_inbuf(TO_EDGE_CONN(conn),
@@ -4156,6 +4198,8 @@ connection_finished_flushing(connection_t *conn)
switch (conn->type) {
case CONN_TYPE_OR:
return connection_or_finished_flushing(TO_OR_CONN(conn));
+ case CONN_TYPE_EXT_OR:
+ return connection_ext_or_finished_flushing(TO_OR_CONN(conn));
case CONN_TYPE_AP:
case CONN_TYPE_EXIT:
return connection_edge_finished_flushing(TO_EDGE_CONN(conn));
@@ -4211,6 +4255,7 @@ connection_reached_eof(connection_t *conn)
{
switch (conn->type) {
case CONN_TYPE_OR:
+ case CONN_TYPE_EXT_OR:
return connection_or_reached_eof(TO_OR_CONN(conn));
case CONN_TYPE_AP:
case CONN_TYPE_EXIT:
@@ -4297,6 +4342,7 @@ assert_connection_ok(connection_t *conn, time_t now)
switch (conn->type) {
case CONN_TYPE_OR:
+ case CONN_TYPE_EXT_OR:
tor_assert(conn->magic == OR_CONNECTION_MAGIC);
break;
case CONN_TYPE_AP:
@@ -4402,6 +4448,10 @@ assert_connection_ok(connection_t *conn, time_t now)
tor_assert(conn->state >= OR_CONN_STATE_MIN_);
tor_assert(conn->state <= OR_CONN_STATE_MAX_);
break;
+ case CONN_TYPE_EXT_OR:
+ tor_assert(conn->state >= EXT_OR_CONN_STATE_MIN_);
+ tor_assert(conn->state <= EXT_OR_CONN_STATE_MAX_);
+ break;
case CONN_TYPE_EXIT:
tor_assert(conn->state >= EXIT_CONN_STATE_MIN_);
tor_assert(conn->state <= EXIT_CONN_STATE_MAX_);
@@ -4534,6 +4584,7 @@ connection_free_all(void)
/* Unlink everything from the identity map. */
connection_or_clear_identity_map();
+ connection_or_clear_ext_or_id_map();
/* Clear out our list of broken connections */
clear_broken_connection_map(0);