X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fraw_socket%2Fdevice.c;h=e52097eb5964ed3cb5836ebbfcd29bdd3969a48d;hb=a227843b739d279b63adcf3736ebb03d856080c4;hp=b1995eb80ca93c7ea8384b512efc57f9ea7a37df;hpb=df3220a1549f992cbf4a9b6e67c1e67b69896c7d;p=tinc

diff --git a/src/raw_socket/device.c b/src/raw_socket/device.c
index b1995eb8..e52097eb 100644
--- a/src/raw_socket/device.c
+++ b/src/raw_socket/device.c
@@ -1,7 +1,7 @@
 /*
     device.c -- raw socket
-    Copyright (C) 2002-2005 Ivo Timmermans <ivo@tinc-vpn.org>,
-                  2002-2005 Guus Sliepen <guus@tinc-vpn.org>
+    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
@@ -13,11 +13,9 @@
     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., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-    $Id$
+    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"
@@ -29,29 +27,26 @@
 #include "logger.h"
 #include "utils.h"
 #include "route.h"
+#include "xalloc.h"
 
 int device_fd = -1;
-char *device;
-char *iface;
-char ifrname[IFNAMSIZ];
-char *device_info;
+char *device = NULL;
+char *iface = NULL;
+static char ifrname[IFNAMSIZ];
+static char *device_info;
 
 static int device_total_in = 0;
 static int device_total_out = 0;
 
-bool setup_device(void)
-{
+bool setup_device(void) {
 	struct ifreq ifr;
 	struct sockaddr_ll sa;
 
-	cp();
-
-	if(!get_config_string
-		  (lookup_config(config_tree, "Interface"), &iface))
-		iface = "eth0";
+	if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
+		iface = xstrdup("eth0");
 
 	if(!get_config_string(lookup_config(config_tree, "Device"), &device))
-		device = iface;
+		device = xstrdup(iface);
 
 	device_info = _("raw socket");
 
@@ -85,19 +80,16 @@ bool setup_device(void)
 	return true;
 }
 
-void close_device(void)
-{
-	cp();
-
+void close_device(void) {
 	close(device_fd);
+
+	free(device);
+	free(iface);
 }
 
-bool read_packet(vpn_packet_t *packet)
-{
+bool read_packet(vpn_packet_t *packet) {
 	int lenin;
 
-	cp();
-
 	if((lenin = read(device_fd, packet->data, MTU)) <= 0) {
 		logger(LOG_ERR, _("Error while reading from %s %s: %s"), device_info,
 			   device, strerror(errno));
@@ -114,10 +106,7 @@ bool read_packet(vpn_packet_t *packet)
 	return true;
 }
 
-bool write_packet(vpn_packet_t *packet)
-{
-	cp();
-
+bool write_packet(vpn_packet_t *packet) {
 	ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
 			   packet->len, device_info);
 
@@ -132,10 +121,7 @@ bool write_packet(vpn_packet_t *packet)
 	return true;
 }
 
-void dump_device_stats(void)
-{
-	cp();
-
+void dump_device_stats(void) {
 	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);