/*
device.c -- Interaction with Solaris tun device
- Copyright (C) 2001-2005 Ivo Timmermans <ivo@tinc-vpn.org>,
- 2001-2005 Guus Sliepen <guus@tinc-vpn.org>
+ Copyright (C) 2001-2005 Ivo Timmermans,
+ 2001-2009 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
#include "logger.h"
#include "net.h"
#include "utils.h"
+#include "xalloc.h"
#define DEFAULT_DEVICE "/dev/tun"
int device_fd = -1;
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;
-bool setup_device(void)
-{
+bool setup_device(void) {
int ip_fd = -1, if_fd = -1;
int ppa;
char *ptr;
cp();
if(!get_config_string(lookup_config(config_tree, "Device"), &device))
- device = DEFAULT_DEVICE;
+ device = xstrdup(DEFAULT_DEVICE);
if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) {
logger(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
}
if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
- asprintf(&iface, "tun%d", ppa);
+ xasprintf(&iface, "tun%d", ppa);
device_info = _("Solaris tun device");
return true;
}
-void close_device(void)
-{
+void close_device(void) {
cp();
close(device_fd);
+
+ free(device);
+ free(iface);
}
-bool read_packet(vpn_packet_t *packet)
-{
- int lenin;
+bool read_packet(vpn_packet_t *packet) {
+ int inlen;
cp();
- if((lenin = read(device_fd, packet->data + 14, MTU - 14)) <= 0) {
+ if((inlen = read(device_fd, packet->data + 14, MTU - 14)) <= 0) {
logger(LOG_ERR, _("Error while reading from %s %s: %s"), device_info,
device, strerror(errno));
return false;
return false;
}
- packet->len = lenin + 14;
+ packet->len = inlen + 14;
device_total_in += packet->len;
return true;
}
-bool write_packet(vpn_packet_t *packet)
-{
+bool write_packet(vpn_packet_t *packet) {
cp();
ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
return true;
}
-void dump_device_stats(void)
-{
+void dump_device_stats(void) {
cp();
logger(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);