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/* purple
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include "internal.h"
#include "purpleprivate.h"
#include <gio/gio.h>
#include <fcntl.h>
#ifndef _WIN32
#include <arpa/nameser.h>
#include <resolv.h>
#include <netinet/in.h>
#include <net/if.h>
#else
#include <nspapi.h>
#endif
/* Solaris */
#if defined (__SVR4) && defined (__sun)
#include <sys/sockio.h>
#endif
#include "debug.h"
#include "account.h"
#include "network.h"
#include "prefs.h"
static gboolean force_online = FALSE;
void
purple_network_set_public_ip(const char *ip)
{
g_return_if_fail(ip != NULL);
/* XXX - Ensure the IP address is valid */
purple_prefs_set_string("/purple/network/public_ip", ip);
}
const char *
purple_network_get_public_ip(void)
{
return purple_prefs_get_string("/purple/network/public_ip");
}
static gchar *
purple_network_get_local_system_ip_from_gio(GSocketConnection *sockconn)
{
GSocketAddress *addr;
GInetSocketAddress *inetsockaddr;
gchar *ip;
addr = g_socket_connection_get_local_address(sockconn, NULL);
if ((inetsockaddr = G_INET_SOCKET_ADDRESS(addr)) != NULL) {
GInetAddress *inetaddr =
g_inet_socket_address_get_address(inetsockaddr);
if (g_inet_address_get_family(inetaddr) == G_SOCKET_FAMILY_IPV4 &&
!g_inet_address_get_is_loopback(inetaddr)) {
ip = g_inet_address_to_string(inetaddr);
g_object_unref(addr);
return ip;
}
}
g_object_unref(addr);
return g_strdup("0.0.0.0");
}
/*
* purple_network_is_ipv4:
* @hostname: The hostname to be verified.
*
* Checks, if specified hostname is valid ipv4 address.
*
* Returns: TRUE, if the hostname is valid.
*/
static gboolean
purple_network_is_ipv4(const gchar *hostname)
{
g_return_val_if_fail(hostname != NULL, FALSE);
/* We don't accept ipv6 here. */
if (strchr(hostname, ':') != NULL)
return FALSE;
return g_hostname_is_ip_address(hostname);
}
void
purple_network_discover_my_ip(void)
{
const char *ip = NULL;
/* Check if the user specified an IP manually */
if (!purple_prefs_get_bool("/purple/network/auto_ip")) {
ip = purple_network_get_public_ip();
/* Make sure the IP address entered by the user is valid */
if (ip != NULL && purple_network_is_ipv4(ip)) {
return;
}
}
}
gchar *
purple_network_get_my_ip_from_gio(GSocketConnection *sockconn)
{
/* Check if the user specified an IP manually */
if (!purple_prefs_get_bool("/purple/network/auto_ip")) {
const gchar *ip = NULL;
ip = purple_network_get_public_ip();
/* Make sure the IP address entered by the user is valid */
if ((ip != NULL) && (purple_network_is_ipv4(ip))) {
return g_strdup(ip);
}
}
/* Just fetch the IP of the local system */
return purple_network_get_local_system_ip_from_gio(sockconn);
}
gboolean
purple_network_is_available(void)
{
if(force_online) {
return TRUE;
}
return g_network_monitor_get_network_available(g_network_monitor_get_default());
}
void
purple_network_force_online(void)
{
force_online = TRUE;
}
gboolean
_purple_network_set_common_socket_flags(int fd)
{
int flags;
gboolean succ = TRUE;
g_return_val_if_fail(fd >= 0, FALSE);
flags = fcntl(fd, F_GETFL);
if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) != 0) {
purple_debug_warning("network",
"Couldn't set O_NONBLOCK flag\n");
succ = FALSE;
}
#ifndef _WIN32
if (fcntl(fd, F_SETFD, FD_CLOEXEC) != 0) {
purple_debug_warning("network",
"Couldn't set FD_CLOEXEC flag\n");
succ = FALSE;
}
#endif
return succ;
}
void
purple_network_init(void)
{
purple_prefs_add_none ("/purple/network");
purple_prefs_add_bool ("/purple/network/auto_ip", TRUE);
purple_prefs_add_string("/purple/network/public_ip", "");
purple_prefs_add_bool ("/purple/network/map_ports", TRUE);
purple_prefs_add_bool ("/purple/network/ports_range_use", FALSE);
purple_prefs_add_int ("/purple/network/ports_range_start", 1024);
purple_prefs_add_int ("/purple/network/ports_range_end", 2048);
}
void
purple_network_uninit(void)
{
}
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