/*
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>
+ 2002-2011 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
#include <winioctl.h>
#include "conf.h"
+#include "device.h"
#include "logger.h"
#include "net.h"
#include "route.h"
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;
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 */
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;
}
}
}
-bool setup_device(void) {
+static bool setup_device(void) {
HKEY key, key2;
int i;
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;
}
RegCloseKey(key);
if(!found) {
- logger(LOG_ERR, "No Windows tap device found!");
+ logger(DEBUG_ALWAYS, LOG_ERR, "No Windows tap device found!");
return false;
}
}
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()));
+ 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;
}
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) {
+static bool write_packet(vpn_packet_t *packet) {
long 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, &outlen, &overlapped)) {
- logger(LOG_ERR, "Error while writing to %s %s: %s", device_info, device, winerror(GetLastError()));
+ 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,
+};