/*
device.c -- Interaction with Windows tap driver in a MinGW environment
Copyright (C) 2002-2005 Ivo Timmermans,
- 2002-2009 Guus Sliepen <guus@tinc-vpn.org>
+ 2002-2013 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
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include "system.h"
+#include "../system.h"
#include <windows.h>
#include <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 "../names.h"
+#include "../net.h"
+#include "../route.h"
+#include "../utils.h"
+#include "../xalloc.h"
-#include "mingw/common.h"
+#include "common.h"
int device_fd = -1;
static HANDLE device_handle = INVALID_HANDLE_VALUE;
char *iface = 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;
extern char *myport;
static DWORD WINAPI tapreader(void *bla) {
int status;
- long len;
+ DWORD len;
OVERLAPPED overlapped;
vpn_packet_t packet;
- logger(LOG_DEBUG, _("Tap reader running"));
+ logger(DEBUG_ALWAYS, LOG_DEBUG, "Tap reader running");
/* Read from tap device and send to parent */
overlapped.OffsetHigh = 0;
ResetEvent(overlapped.hEvent);
- status = ReadFile(device_handle, packet.data, MTU, &len, &overlapped);
+ status = ReadFile(device_handle, (void *)packet.data, MTU, &len, &overlapped);
if(!status) {
if(GetLastError() == ERROR_IO_PENDING) {
if(!GetOverlappedResult(device_handle, &overlapped, &len, FALSE))
continue;
} else {
- logger(LOG_ERR, _("Error while reading from %s %s: %s"), device_info,
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
return -1;
}
packet.len = len;
packet.priority = 0;
route(myself, &packet);
+ event_flush_output();
LeaveCriticalSection(&mutex);
}
}
-bool setup_device(void) {
+static bool setup_device(void) {
HKEY key, key2;
int i;
char adapterid[1024];
char adaptername[1024];
char tapname[1024];
- long len;
+ DWORD len;
unsigned long status;
bool found = false;
- int sock, err;
+ int err;
HANDLE thread;
- struct addrinfo *ai;
- struct addrinfo hint = {
- .ai_family = AF_UNSPEC,
- .ai_socktype = SOCK_STREAM,
- .ai_protocol = IPPROTO_TCP,
- .ai_flags = 0,
- };
-
get_config_string(lookup_config(config_tree, "Device"), &device);
get_config_string(lookup_config(config_tree, "Interface"), &iface);
/* 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(DEBUG_ALWAYS, LOG_ERR, "Unable to read registry: %s", winerror(GetLastError()));
return false;
}
for (i = 0; ; i++) {
- len = sizeof(adapterid);
+ len = sizeof adapterid;
if(RegEnumKeyEx(key, i, adapterid, &len, 0, 0, 0, NULL))
break;
/* Find out more about this adapter */
- snprintf(regpath, sizeof(regpath), "%s\\%s\\Connection", NETWORK_CONNECTIONS_KEY, adapterid);
+ snprintf(regpath, sizeof regpath, "%s\\%s\\Connection", NETWORK_CONNECTIONS_KEY, adapterid);
- if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, regpath, 0, KEY_READ, &key2))
+ if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, regpath, 0, KEY_READ, &key2))
continue;
- len = sizeof(adaptername);
- err = RegQueryValueEx(key2, "Name", 0, 0, adaptername, &len);
+ len = sizeof adaptername;
+ err = RegQueryValueEx(key2, "Name", 0, 0, (LPBYTE)adaptername, &len);
RegCloseKey(key2);
continue;
}
- snprintf(tapname, sizeof(tapname), USERMODEDEVICEDIR "%s" TAPSUFFIX, adapterid);
+ snprintf(tapname, sizeof tapname, USERMODEDEVICEDIR "%s" TAPSUFFIX, adapterid);
device_handle = CreateFile(tapname, GENERIC_WRITE | GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, 0);
if(device_handle != INVALID_HANDLE_VALUE) {
found = true;
RegCloseKey(key);
if(!found) {
- logger(LOG_ERR, _("No Windows tap device found!"));
+ logger(DEBUG_ALWAYS, LOG_ERR, "No Windows tap device found!");
return false;
}
/* Try to open the corresponding tap device */
if(device_handle == INVALID_HANDLE_VALUE) {
- snprintf(tapname, sizeof(tapname), USERMODEDEVICEDIR "%s" TAPSUFFIX, device);
+ snprintf(tapname, sizeof tapname, USERMODEDEVICEDIR "%s" TAPSUFFIX, device);
device_handle = CreateFile(tapname, GENERIC_WRITE | GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, 0);
}
-
+
if(device_handle == INVALID_HANDLE_VALUE) {
- logger(LOG_ERR, _("%s (%s) is not a usable Windows tap device: %s"), device, iface, winerror(GetLastError()));
+ logger(DEBUG_ALWAYS, LOG_ERR, "%s (%s) is not a usable Windows tap device: %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()));
+ if(!DeviceIoControl(device_handle, TAP_IOCTL_GET_MAC, mymac.x, sizeof mymac.x, mymac.x, sizeof mymac.x, &len, 0)) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Could not get MAC address from Windows tap device %s (%s): %s", device, iface, winerror(GetLastError()));
return false;
}
thread = CreateThread(NULL, 0, tapreader, NULL, 0, NULL);
if(!thread) {
- logger(LOG_ERR, _("System call `%s' failed: %s"), "CreateThread", winerror(GetLastError()));
+ logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "CreateThread", winerror(GetLastError()));
return false;
}
/* Set media status for newer TAP-Win32 devices */
status = true;
- DeviceIoControl(device_handle, TAP_IOCTL_SET_MEDIA_STATUS, &status, sizeof(status), &status, sizeof(status), &len, NULL);
+ DeviceIoControl(device_handle, TAP_IOCTL_SET_MEDIA_STATUS, &status, sizeof status, &status, sizeof status, &len, NULL);
- device_info = _("Windows tap device");
+ device_info = "Windows tap device";
- logger(LOG_INFO, _("%s (%s) is a %s"), device, iface, device_info);
+ logger(DEBUG_ALWAYS, LOG_INFO, "%s (%s) is a %s", device, iface, device_info);
return true;
}
-void close_device(void) {
+static void close_device(void) {
CloseHandle(device_handle);
free(device);
free(iface);
}
-bool read_packet(vpn_packet_t *packet) {
+static bool read_packet(vpn_packet_t *packet) {
return false;
}
-bool write_packet(vpn_packet_t *packet) {
- long lenout;
+static bool write_packet(vpn_packet_t *packet) {
+ DWORD outlen;
OVERLAPPED overlapped = {0};
- ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
+ logger(DEBUG_TRAFFIC, LOG_DEBUG, "Writing packet of %d bytes to %s",
packet->len, device_info);
- if(!WriteFile(device_handle, packet->data, packet->len, &lenout, &overlapped)) {
- logger(LOG_ERR, _("Error while writing to %s %s: %s"), device_info, device, winerror(GetLastError()));
+ if(!WriteFile(device_handle, packet->data, packet->len, &outlen, &overlapped)) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error while writing to %s %s: %s", device_info, device, winerror(GetLastError()));
return false;
}
return true;
}
-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);
+static void dump_device_stats(void) {
+ logger(DEBUG_ALWAYS, LOG_DEBUG, "Statistics for %s %s:", device_info, device);
+ logger(DEBUG_ALWAYS, LOG_DEBUG, " total bytes in: %10"PRIu64, device_total_in);
+ logger(DEBUG_ALWAYS, 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