Use correct address family where necessary for bridges on IPv6.

src/or/connection.c

@@ -880,7 +880,8 @@ connection_create_listener(const struct sockaddr *listensockaddr,
     return NULL;
   }
 
-  if (listensockaddr->sa_family == AF_INET) {
+  if (listensockaddr->sa_family == AF_INET ||
+      listensockaddr->sa_family == AF_INET6) {
     int is_tcp = (type != CONN_TYPE_AP_DNS_LISTENER);
     if (is_tcp)
       start_reading = 1;
@@ -890,7 +891,7 @@ connection_create_listener(const struct sockaddr *listensockaddr,
     log_notice(LD_NET, "Opening %s on %s:%d",
                conn_type_to_string(type), fmt_addr(&addr), usePort);
 
-    s = tor_open_socket(PF_INET,
+    s = tor_open_socket(tor_addr_family(&addr),
                         is_tcp ? SOCK_STREAM : SOCK_DGRAM,
                         is_tcp ? IPPROTO_TCP: IPPROTO_UDP);
     if (!SOCKET_OK(s)) {

src/or/connection_edge.c

@@ -2593,7 +2593,7 @@ connection_ap_make_link(connection_t *partner,
            want_onehop ? "direct" : "anonymized",
            safe_str_client(address), port);
 
-  conn = entry_connection_new(CONN_TYPE_AP, AF_INET);
+  conn = entry_connection_new(CONN_TYPE_AP, tor_addr_family(&partner->addr));
   base_conn = ENTRY_TO_CONN(conn);
   base_conn->linked = 1; /* so that we can add it safely below. */
 
@@ -3199,7 +3199,7 @@ connection_exit_connect_dir(edge_connection_t *exitconn)
 
   exitconn->_base.state = EXIT_CONN_STATE_OPEN;
 
-  dirconn = dir_connection_new(AF_INET);
+  dirconn = dir_connection_new(tor_addr_family(&exitconn->_base.addr));
 
   tor_addr_copy(&dirconn->_base.addr, &exitconn->_base.addr);
   dirconn->_base.port = 0;

src/or/connection_or.c

@@ -1036,7 +1036,7 @@ connection_or_connect(const tor_addr_t *_addr, uint16_t port,
     return NULL;
   }
 
-  conn = or_connection_new(AF_INET);
+  conn = or_connection_new(tor_addr_family(&addr));
 
   /* set up conn so it's got all the data we need to remember */
   connection_or_init_conn_from_address(conn, &addr, port, id_digest, 1);

src/or/directory.c

@@ -919,7 +919,7 @@ directory_initiate_command_rend(const char *address, const tor_addr_t *_addr,
     return;
   }
 
-  conn = dir_connection_new(AF_INET);
+  conn = dir_connection_new(tor_addr_family(&addr));
 
   /* set up conn so it's got all the data we need to remember */
   tor_addr_copy(&conn->_base.addr, &addr);