/*
device.c -- Interaction BSD tun/tap device
Copyright (C) 2001-2005 Ivo Timmermans,
- 2001-2009 Guus Sliepen <guus@tinc-vpn.org>
+ 2001-2012 Guus Sliepen <guus@tinc-vpn.org>
2009 Grzegorz Dymarek <gregd72002@googlemail.com>
This program is free software; you can redistribute it and/or modify
#include "system.h"
#include "conf.h"
+#include "device.h"
#include "logger.h"
#include "net.h"
#include "route.h"
char *device = NULL;
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;
#if defined(TUNEMU)
static device_type_t device_type = DEVICE_TYPE_TUNEMU;
-#elif defined(HAVE_OPENBSD) || defined(HAVE_FREEBSD)
+#elif defined(HAVE_OPENBSD) || defined(HAVE_FREEBSD) || defined(HAVE_DRAGONFLY)
static device_type_t device_type = DEVICE_TYPE_TUNIFHEAD;
#else
static device_type_t device_type = DEVICE_TYPE_TUN;
#endif
-bool setup_device(void) {
+static bool setup_device(void) {
char *type;
if(!get_config_string(lookup_config(config_tree, "Device"), &device))
return false;
}
+#ifdef FD_CLOEXEC
+ fcntl(device_fd, F_SETFD, FD_CLOEXEC);
+#endif
+
switch(device_type) {
default:
device_type = DEVICE_TYPE_TUN;
return true;
}
-void close_device(void) {
+static void close_device(void) {
switch(device_type) {
#ifdef HAVE_TUNEMU
case DEVICE_TYPE_TUNEMU:
free(iface);
}
-bool read_packet(vpn_packet_t *packet) {
+static bool read_packet(vpn_packet_t *packet) {
int lenin;
switch(device_type) {
if(device_type == DEVICE_TYPE_TUNEMU)
lenin = tunemu_read(device_fd, packet->data + 14, MTU - 14);
else
-#else
- lenin = read(device_fd, packet->data + 14, MTU - 14);
#endif
+ lenin = read(device_fd, packet->data + 14, MTU - 14);
if(lenin <= 0) {
logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
return true;
}
-bool write_packet(vpn_packet_t *packet) {
+static bool write_packet(vpn_packet_t *packet) {
ifdebug(TRAFFIC) logger(LOG_DEBUG, "Writing packet of %d bytes to %s",
packet->len, device_info);
return true;
}
-void dump_device_stats(void) {
+static 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);
+ 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,
+};