/*
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,
+ 2002-2011 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"
+#include "../system.h"
#include <w32api/windows.h>
#include <w32api/winioctl.h>
-#include "conf.h"
-#include "logger.h"
-#include "net.h"
-#include "route.h"
-#include "utils.h"
-#include "xalloc.h"
+#include "../conf.h"
+#include "../device.h"
+#include "../logger.h"
+#include "../net.h"
+#include "../route.h"
+#include "../utils.h"
+#include "../xalloc.h"
-#include "mingw/common.h"
+#include "../mingw/common.h"
int device_fd = -1;
static HANDLE device_handle = INVALID_HANDLE_VALUE;
char *device = NULL;
char *iface = NULL;
-char *device_info = NULL;
+static char *device_info = NULL;
-static int device_total_in = 0;
-static int device_total_out = 0;
+static uint64_t device_total_in = 0;
+static uint64_t device_total_out = 0;
static pid_t reader_pid;
static int sp[2];
-bool setup_device(void)
-{
+static 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);
+ if(device && interface)
+ logger(LOG_WARNING, "Warning: both Device and Interface specified, results may not be as expected");
+
/* Open registry and look for network adapters */
if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, NETWORK_CONNECTIONS_KEY, 0, KEY_READ, &key)) {
- logger(LOG_ERR, _("Unable to read registry: %s"), winerror(GetLastError()));
+ logger(LOG_ERR, "Unable to read registry: %s", winerror(GetLastError()));
return false;
}
RegCloseKey(key);
if(!found) {
- logger(LOG_ERR, _("No Windows tap device found!"));
+ logger(LOG_ERR, "No Windows tap device found!");
return false;
}
Furthermore I don't really know how to do it the "Windows" way. */
if(socketpair(AF_UNIX, SOCK_DGRAM, PF_UNIX, sp)) {
- logger(LOG_DEBUG, _("System call `%s' failed: %s"), "socketpair", strerror(errno));
+ logger(LOG_DEBUG, "System call `%s' failed: %s", "socketpair", strerror(errno));
return false;
}
device_handle = CreateFile(tapname, GENERIC_WRITE, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM , 0);
if(device_handle == INVALID_HANDLE_VALUE) {
- logger(LOG_ERR, _("Could not open Windows tap device %s (%s) for writing: %s"), device, iface, winerror(GetLastError()));
+ logger(LOG_ERR, "Could not open Windows tap device %s (%s) for writing: %s", device, iface, winerror(GetLastError()));
return false;
}
/* Get MAC address from tap device */
if(!DeviceIoControl(device_handle, TAP_IOCTL_GET_MAC, mymac.x, sizeof(mymac.x), mymac.x, sizeof(mymac.x), &len, 0)) {
- logger(LOG_ERR, _("Could not get MAC address from Windows tap device %s (%s): %s"), device, iface, winerror(GetLastError()));
+ logger(LOG_ERR, "Could not get MAC address from Windows tap device %s (%s): %s", device, iface, winerror(GetLastError()));
return false;
}
reader_pid = fork();
if(reader_pid == -1) {
- logger(LOG_DEBUG, _("System call `%s' failed: %s"), "fork", strerror(errno));
+ logger(LOG_DEBUG, "System call `%s' failed: %s", "fork", strerror(errno));
return false;
}
device_handle = CreateFile(tapname, GENERIC_READ, FILE_SHARE_WRITE, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM, 0);
if(device_handle == INVALID_HANDLE_VALUE) {
- logger(LOG_ERR, _("Could not open Windows tap device %s (%s) for reading: %s"), device, iface, winerror(GetLastError()));
+ logger(LOG_ERR, "Could not open Windows tap device %s (%s) for reading: %s", device, iface, winerror(GetLastError()));
buf[0] = 0;
write(sp[1], buf, 1);
exit(1);
}
- logger(LOG_DEBUG, _("Tap reader forked and running."));
+ logger(LOG_DEBUG, "Tap reader forked and running.");
/* Notify success */
read(device_fd, &gelukt, 1);
if(gelukt != 1) {
- logger(LOG_DEBUG, _("Tap reader failed!"));
+ logger(LOG_DEBUG, "Tap reader failed!");
return false;
}
- device_info = _("Windows tap device");
+ device_info = "Windows tap device";
- logger(LOG_INFO, _("%s (%s) is a %s"), device, iface, device_info);
+ logger(LOG_INFO, "%s (%s) is a %s", device, iface, device_info);
return true;
}
-void close_device(void)
-{
- cp();
-
+static 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)
-{
+static 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,
+ logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
return false;
}
device_total_in += packet->len;
- ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Read packet of %d bytes from %s"), 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)
-{
+static bool write_packet(vpn_packet_t *packet) {
long lenout;
- cp();
-
- ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
+ ifdebug(TRAFFIC) logger(LOG_DEBUG, "Writing packet of %d bytes to %s",
packet->len, device_info);
if(!WriteFile (device_handle, packet->data, packet->len, &lenout, NULL)) {
- logger(LOG_ERR, _("Error while writing to %s %s: %s"), device_info, device, winerror(GetLastError()));
+ logger(LOG_ERR, "Error while writing to %s %s: %s", device_info, device, winerror(GetLastError()));
return false;
}
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);
+static 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);
}
+
+const devops_t os_devops = {
+ .setup = setup_device,
+ .close = close_device,
+ .read = read_packet,
+ .write = write_packet,
+ .dump_stats = dump_device_stats,
+};
projects / tinc / blobdiff