X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Ffreebsd%2Fdevice.c;h=4ebdac2bce4405e1cb65c325cb7f6dfb6a2e5053;hp=b11bab932793d2ca451101072a9653476a134251;hb=eefa28059ab989c915a7d95fb4ae728abd7ce713;hpb=623c7ee0308aede8eada552d6ae33710ae24d176

diff --git a/src/freebsd/device.c b/src/freebsd/device.c
index b11bab93..4ebdac2b 100644
--- a/src/freebsd/device.c
+++ b/src/freebsd/device.c
@@ -1,7 +1,7 @@
 /*
     device.c -- Interaction with FreeBSD tap device
-    Copyright (C) 2001 Ivo Timmermans <itimmermans@bigfoot.com>,
-                  2001 Guus Sliepen <guus@sliepen.warande.net>
+    Copyright (C) 2001-2003 Ivo Timmermans <ivo@o2w.nl>,
+                  2001-2003 Guus Sliepen <guus@sliepen.eu.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
@@ -17,95 +17,99 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: device.c,v 1.1.2.1 2001/10/12 15:22:59 guus Exp $
+    $Id: device.c,v 1.1.2.13 2003/07/22 20:55:21 guus Exp $
 */
 
+#include "system.h"
+
+#include "conf.h"
+#include "logger.h"
+#include "net.h"
+#include "utils.h"
+
 #define DEFAULT_DEVICE "/dev/tap0"
 
 int device_fd = -1;
-int device_type;
-char *device_fname;
+char *device;
+char *iface;
 char *device_info;
-
 int device_total_in = 0;
 int device_total_out = 0;
 
-*
-  open the local ethertap device
-*/
-int setup_device(void)
+bool setup_device(void)
 {
-  struct ifreq ifr;
-
-cp
-  if(!get_config_string(lookup_config(config_tree, "Device"), &device_fname)))
-    device_fname = DEFAULT_DEVICE;
-
-cp
-  if((device_fd = open(device_fname, O_RDWR | O_NONBLOCK)) < 0)
-    {
-      syslog(LOG_ERR, _("Could not open %s: %m"), device_fname);
-      return -1;
-    }
-cp
-  device_fd = device_fd;
-
-  /* Set default MAC address for ethertap devices */
-
-  mymac.type = SUBNET_MAC;
-  mymac.net.mac.address.x[0] = 0xfe;
-  mymac.net.mac.address.x[1] = 0xfd;
-  mymac.net.mac.address.x[2] = 0x00;
-  mymac.net.mac.address.x[3] = 0x00;
-  mymac.net.mac.address.x[4] = 0x00;
-  mymac.net.mac.address.x[5] = 0x00;
-
-  device_info = _("FreeBSD tap device");
-
-  syslog(LOG_INFO, _("%s is a %s"), device_fname, device_info);
-cp
-  return 0;
+	cp();
+
+	if(!get_config_string(lookup_config(config_tree, "Device"), &device))
+		device = DEFAULT_DEVICE;
+
+	if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
+		iface = rindex(device, '/') ? rindex(device, '/') + 1 : device;
+
+	if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) {
+		logger(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
+		return false;
+	}
+
+	device_info = _("FreeBSD tap device");
+
+	logger(LOG_INFO, _("%s is a %s"), device, device_info);
+
+	return true;
 }
 
-/*
-  read, encrypt and send data that is
-  available through the ethertap device
-*/
-int read_packet(vpn_packet_t *packet)
+void close_device(void)
+{
+	cp();
+
+	close(device_fd);
+}
+
+bool read_packet(vpn_packet_t *packet)
 {
-  int lenin;
-cp
-  if((lenin = read(device_fd, packet->data, MTU)) <= 0)
-    {
-      syslog(LOG_ERR, _("Error while reading from %s %s: %m"), device_info, device_fname);
-      return -1;
-    }
+	int lenin;
+
+	cp();
 
-  packet->len = 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;
+	}
 
-  device_total_in += packet->len;
+	packet->len = lenin;
 
-  if(debug_lvl >= DEBUG_TRAFFIC)
-    syslog(LOG_DEBUG, _("Read packet of %d bytes from %s"),
-           packet->len, device_info);
+	device_total_in += packet->len;
 
-  return 0;
-cp
+	ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Read packet of %d bytes from %s"),
+			   packet->len, device_info);
+
+	return true;
 }
 
-int write_packet(vpn_packet_t *packet)
+bool write_packet(vpn_packet_t *packet)
 {
-cp
-  if(debug_lvl >= DEBUG_TRAFFIC)
-    syslog(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
-           packet->len, device_info);
-
-  if(write(device_fd, packet->data, packet->len) < 0)
-    {
-      syslog(LOG_ERR, _("Error while writing to %s %s: %m"), device_info, device_fname);
-      return -1;
-    }
-
-  device_total_out += packet->len;
-cp
+	cp();
+
+	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, _("Error while writing to %s %s: %s"), device_info,
+			   device, strerror(errno));
+		return false;
+	}
+
+	device_total_out += packet->len;
+
+	return true;
+}
+
+void dump_device_stats(void)
+{
+	cp();
+
+	logger(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);
+	logger(LOG_DEBUG, _(" total bytes in:  %10d"), device_total_in);
+	logger(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out);
 }