/*
device.c -- Interaction with Windows tap driver in a Cygwin environment
- Copyright (C) 2002-2004 Ivo Timmermans <ivo@tinc-vpn.org>,
- 2002-2004 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
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"
static HANDLE device_handle = INVALID_HANDLE_VALUE;
char *device = NULL;
char *iface = NULL;
-char *device_info = NULL;
+static char *device_info = NULL;
-int device_total_in = 0;
-int device_total_out = 0;
+static int device_total_in = 0;
+static int device_total_out = 0;
-pid_t reader_pid;
-int sp[2];
+static pid_t reader_pid;
+static int sp[2];
-bool setup_device(void)
-{
+bool setup_device(void) {
HKEY key, key2;
int i, err;
bool found = false;
- cp();
-
get_config_string(lookup_config(config_tree, "Device"), &device);
get_config_string(lookup_config(config_tree, "Interface"), &iface);
return true;
}
-void close_device(void)
-{
- cp();
-
+void close_device(void) {
close(sp[0]);
close(sp[1]);
CloseHandle(device_handle);
kill(reader_pid, SIGKILL);
+
+ free(device);
+ free(iface);
}
-bool read_packet(vpn_packet_t *packet)
-{
+bool read_packet(vpn_packet_t *packet) {
int lenin;
- cp();
-
if((lenin = read(sp[0], packet->data, MTU)) <= 0) {
logger(LOG_ERR, _("Error while reading from %s %s: %s"), device_info,
device, strerror(errno));
return true;
}
-bool write_packet(vpn_packet_t *packet)
-{
+bool write_packet(vpn_packet_t *packet) {
long lenout;
- cp();
-
ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
packet->len, device_info);
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);