Remove everything GPL that is not copyright Guus Sliepen, update copyright statements.

[meshlink] / src / net_socket.c

diff --git a/src/net_socket.c b/src/net_socket.c
index 072984bfaab51abb8d1d46a7f6773a5ce05924b6..a2bc5b9301e98bf3efadd820fc9ecd5af1ca9c10 100644 (file)
--- a/src/net_socket.c
+++ b/src/net_socket.c
@@ -1,9 +1,6 @@
 /*
     net_socket.c -- Handle various kinds of sockets.
-    Copyright (C) 1998-2005 Ivo Timmermans,
-                  2000-2014 Guus Sliepen <guus@tinc-vpn.org>
-                  2006      Scott Lamb <slamb@slamb.org>
-                  2009      Florian Forster <octo@verplant.org>
+    Copyright (C) 2014 Guus Sliepen <guus@meshlink.io>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -24,11 +21,9 @@
 
 #include "conf.h"
 #include "connection.h"
-#include "control_common.h"
 #include "list.h"
 #include "logger.h"
 #include "meta.h"
-#include "names.h"
 #include "net.h"
 #include "netutl.h"
 #include "protocol.h"
@@ -43,15 +38,10 @@
 int addressfamily = AF_UNSPEC;
 int maxtimeout = 900;
 int seconds_till_retry = 5;
-int udp_rcvbuf = 0;
-int udp_sndbuf = 0;
 int max_connection_burst = 100;
 
 listen_socket_t listen_socket[MAXSOCKETS];
 int listen_sockets;
-#ifndef HAVE_MINGW
-io_t unix_socket;
-#endif
 list_t *outgoing_list = NULL;
 
 /* Setup sockets */
@@ -84,35 +74,6 @@ static void configure_tcp(connection_t *c) {
 #endif
 }
 
-static bool bind_to_interface(int sd) {
-       char *iface;
-
-#if defined(SOL_SOCKET) && defined(SO_BINDTODEVICE)
-       struct ifreq ifr;
-       int status;
-#endif /* defined(SOL_SOCKET) && defined(SO_BINDTODEVICE) */
-
-       if(!get_config_string (lookup_config (config_tree, "BindToInterface"), &iface))
-               return true;
-
-#if defined(SOL_SOCKET) && defined(SO_BINDTODEVICE)
-       memset(&ifr, 0, sizeof(ifr));
-       strncpy(ifr.ifr_ifrn.ifrn_name, iface, IFNAMSIZ);
-       ifr.ifr_ifrn.ifrn_name[IFNAMSIZ - 1] = 0;
-
-       status = setsockopt(sd, SOL_SOCKET, SO_BINDTODEVICE, (void *)&ifr, sizeof(ifr));
-       if(status) {
-               logger(DEBUG_ALWAYS, LOG_ERR, "Can't bind to interface %s: %s", iface,
-                               strerror(errno));
-               return false;
-       }
-#else /* if !defined(SOL_SOCKET) || !defined(SO_BINDTODEVICE) */
-       logger(DEBUG_ALWAYS, LOG_WARNING, "%s not supported on this platform", "BindToInterface");
-#endif
-
-       return true;
-}
-
 static bool bind_to_address(connection_t *c) {
        int s = -1;
 
@@ -246,12 +207,6 @@ int setup_vpn_in_socket(const sockaddr_t *sa) {
        setsockopt(nfd, SOL_SOCKET, SO_REUSEADDR, (void *)&option, sizeof option);
        setsockopt(nfd, SOL_SOCKET, SO_BROADCAST, (void *)&option, sizeof option);
 
-       if(udp_rcvbuf && setsockopt(nfd, SOL_SOCKET, SO_RCVBUF, (void *)&udp_rcvbuf, sizeof(udp_rcvbuf)))
-               logger(DEBUG_ALWAYS, LOG_WARNING, "Can't set UDP SO_RCVBUF to %i: %s", udp_rcvbuf, strerror(errno));
-
-       if(udp_sndbuf && setsockopt(nfd, SOL_SOCKET, SO_SNDBUF, (void *)&udp_sndbuf, sizeof(udp_sndbuf)))
-               logger(DEBUG_ALWAYS, LOG_WARNING, "Can't set UDP SO_SNDBUF to %i: %s", udp_sndbuf, strerror(errno));
-
 #if defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY)
        if(sa->sa.sa_family == AF_INET6)
                setsockopt(nfd, IPPROTO_IPV6, IPV6_V6ONLY, (void *)&option, sizeof option);
@@ -289,11 +244,6 @@ int setup_vpn_in_socket(const sockaddr_t *sa) {
 #warning No way to disable IPv6 fragmentation
 #endif
 
-       if (!bind_to_interface(nfd)) {
-               closesocket(nfd);
-               return -1;
-       }
-
        if(bind(nfd, &sa->sa, SALEN(sa->sa))) {
                closesocket(nfd);
                addrstr = sockaddr2hostname(sa);
@@ -362,8 +312,6 @@ static void do_outgoing_pipe(connection_t *c, char *command) {
        setenv("REMOTEPORT", port, true);
        setenv("NODE", c->name, true);
        setenv("NAME", myself->name, true);
-       if(netname)
-               setenv("NETNAME", netname, true);
 
        int result = system(command);
        if(result < 0)
@@ -508,7 +456,6 @@ begin:
                        setsockopt(c->socket, SOL_IPV6, IPV6_V6ONLY, (void *)&option, sizeof option);
 #endif
 
-               bind_to_interface(c->socket);
                bind_to_address(c);
        }
 
@@ -703,45 +650,6 @@ void handle_new_meta_connection(void *data, int flags) {
        send_id(c);
 }
 
-#ifndef HAVE_MINGW
-/*
-  accept a new UNIX socket connection
-*/
-void handle_new_unix_connection(void *data, int flags) {
-       io_t *io = data;
-       connection_t *c;
-       sockaddr_t sa;
-       int fd;
-       socklen_t len = sizeof sa;
-
-       fd = accept(io->fd, &sa.sa, &len);
-
-       if(fd < 0) {
-               logger(DEBUG_ALWAYS, LOG_ERR, "Accepting a new connection failed: %s", sockstrerror(sockerrno));
-               return;
-       }
-
-       sockaddrunmap(&sa);
-
-       c = new_connection();
-       c->name = xstrdup("<control>");
-       c->address = sa;
-       c->hostname = xstrdup("localhost port unix");
-       c->socket = fd;
-       c->last_ping_time = now.tv_sec;
-
-       logger(DEBUG_CONNECTIONS, LOG_NOTICE, "Connection from %s", c->hostname);
-
-       io_add(&c->io, handle_meta_io, c, c->socket, IO_READ);
-
-       connection_add(c);
-
-       c->allow_request = ID;
-
-       send_id(c);
-}
-#endif
-
 static void free_outgoing(outgoing_t *outgoing) {
        timeout_del(&outgoing->ev);