Allow linking with multiple device drivers.

[tinc] / src / raw_socket / device.c

diff --git a/src/raw_socket/device.c b/src/raw_socket/device.c
deleted file mode 100644 (file)
index abe368a..0000000
--- a/src/raw_socket/device.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
-    device.c -- raw socket
-    Copyright (C) 2002-2005 Ivo Timmermans,
-                  2002-2009 Guus Sliepen <guus@tinc-vpn.org>
-
-    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
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License along
-    with this program; if not, write to the Free Software Foundation, Inc.,
-    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
-
-#include "system.h"
-
-#include <netpacket/packet.h>
-
-#include "conf.h"
-#include "device.h"
-#include "net.h"
-#include "logger.h"
-#include "utils.h"
-#include "route.h"
-#include "xalloc.h"
-
-int device_fd = -1;
-char *device = NULL;
-char *iface = NULL;
-static char ifrname[IFNAMSIZ];
-static char *device_info;
-
-static uint64_t device_total_in = 0;
-static uint64_t device_total_out = 0;
-
-bool setup_device(void) {
-       struct ifreq ifr;
-       struct sockaddr_ll sa;
-
-       if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
-               iface = xstrdup("eth0");
-
-       if(!get_config_string(lookup_config(config_tree, "Device"), &device))
-               device = xstrdup(iface);
-
-       device_info = "raw socket";
-
-       if((device_fd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL))) < 0) {
-               logger(LOG_ERR, "Could not open %s: %s", device_info,
-                          strerror(errno));
-               return false;
-       }
-
-       memset(&ifr, 0, sizeof(ifr));
-       strncpy(ifr.ifr_ifrn.ifrn_name, iface, IFNAMSIZ);
-       if(ioctl(device_fd, SIOCGIFINDEX, &ifr)) {
-               close(device_fd);
-               logger(LOG_ERR, "Can't find interface %s: %s", iface,
-                          strerror(errno));
-               return false;
-       }
-
-       memset(&sa, '0', sizeof(sa));
-       sa.sll_family = AF_PACKET;
-       sa.sll_protocol = htons(ETH_P_ALL);
-       sa.sll_ifindex = ifr.ifr_ifindex;
-
-       if(bind(device_fd, (struct sockaddr *) &sa, (socklen_t) sizeof(sa))) {
-               logger(LOG_ERR, "Could not bind %s to %s: %s", device, iface, strerror(errno));
-               return false;
-       }
-
-       logger(LOG_INFO, "%s is a %s", device, device_info);
-
-       return true;
-}
-
-void close_device(void) {
-       close(device_fd);
-
-       free(device);
-       free(iface);
-}
-
-bool read_packet(vpn_packet_t *packet) {
-       int lenin;
-
-       if((lenin = read(device_fd, packet->data, MTU)) <= 0) {
-               logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
-                          device, strerror(errno));
-               return false;
-       }
-
-       packet->len = lenin;
-
-       device_total_in += packet->len;
-
-       ifdebug(TRAFFIC) logger(LOG_DEBUG, "Read packet of %d bytes from %s", packet->len,
-                          device_info);
-
-       return true;
-}
-
-bool write_packet(vpn_packet_t *packet) {
-       ifdebug(TRAFFIC) logger(LOG_DEBUG, "Writing packet of %d bytes to %s",
-                          packet->len, device_info);
-
-       if(write(device_fd, packet->data, packet->len) < 0) {
-               logger(LOG_ERR, "Can't write to %s %s: %s", device_info, device,
-                          strerror(errno));
-               return false;
-       }
-
-       device_total_out += packet->len;
-
-       return true;
-}
-
-void dump_device_stats(void) {
-       logger(LOG_DEBUG, "Statistics for %s %s:", device_info, device);
-       logger(LOG_DEBUG, " total bytes in:  %10"PRIu64, device_total_in);
-       logger(LOG_DEBUG, " total bytes out: %10"PRIu64, device_total_out);
-}