NetworkManager/src/nm-ip4-config.c
Dan Williams b0cf66eda8 2008-06-26 Dan Williams <dcbw@redhat.com>
* Update FSF address in license headers (Michael Biebl <biebl@debian.org>)



git-svn-id: http://svn-archive.gnome.org/svn/NetworkManager/trunk@3775 4912f4e0-d625-0410-9fb7-b9a5a253dbdc
2008-06-26 18:31:52 +00:00

710 lines
19 KiB
C

/* -*- Mode: C; tab-width: 5; indent-tabs-mode: t; c-basic-offset: 5 -*- */
/* NetworkManager -- Network link manager
*
* Dan Williams <dcbw@redhat.com>
*
* 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 02110-1301 USA.
*
* (C) Copyright 2005 Red Hat, Inc.
*/
#include <glib.h>
#include <stdio.h>
#include <string.h>
#include "nm-ip4-config.h"
#include "nm-dbus-manager.h"
#include "NetworkManager.h"
#include "NetworkManagerUtils.h"
#include "nm-setting-ip4-config.h"
#include "nm-utils.h"
#include <netlink/route/addr.h>
#include <netlink/utils.h>
#include <netinet/in.h>
#include "nm-ip4-config-glue.h"
#include "nm-dbus-glib-types.h"
G_DEFINE_TYPE (NMIP4Config, nm_ip4_config, G_TYPE_OBJECT)
#define NM_IP4_CONFIG_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_IP4_CONFIG, NMIP4ConfigPrivate))
typedef struct {
GSList *addresses;
guint32 ptp_address;
guint32 mtu; /* Maximum Transmission Unit of the interface */
guint32 mss; /* Maximum Segment Size of the route */
GArray *nameservers;
GPtrArray *domains;
GPtrArray *searches;
gchar *hostname;
gchar *nis_domain;
GArray *nis_servers;
GSList *static_routes;
} NMIP4ConfigPrivate;
enum {
PROP_0,
PROP_ADDRESSES,
PROP_HOSTNAME,
PROP_NAMESERVERS,
PROP_DOMAINS,
PROP_NIS_DOMAIN,
PROP_NIS_SERVERS,
PROP_STATIC_ROUTES,
LAST_PROP
};
NMIP4Config *
nm_ip4_config_new (void)
{
GObject *object;
DBusGConnection *connection;
char *path;
static guint32 counter = 0;
object = g_object_new (NM_TYPE_IP4_CONFIG, NULL);
connection = nm_dbus_manager_get_connection (nm_dbus_manager_get ());
path = g_strdup_printf (NM_DBUS_PATH "/IP4Config/%d", counter++);
dbus_g_connection_register_g_object (connection, path, object);
g_free (path);
return (NMIP4Config *) object;
}
NMIP4Config *nm_ip4_config_copy (NMIP4Config *src_config)
{
NMIP4Config *dst_config;
NMIP4ConfigPrivate *src_priv;
int i;
int len;
GSList *iter;
g_return_val_if_fail (NM_IS_IP4_CONFIG (src_config), NULL);
dst_config = nm_ip4_config_new ();
src_priv = NM_IP4_CONFIG_GET_PRIVATE (src_config);
for (iter = src_priv->addresses; iter; iter = g_slist_next (iter)) {
NMSettingIP4Address *src_addr = (NMSettingIP4Address *) iter->data;
NMSettingIP4Address *dst_addr;
dst_addr = g_malloc0 (sizeof (NMSettingIP4Address));
memcpy (dst_addr, src_addr, sizeof (NMSettingIP4Address));
nm_ip4_config_take_address (dst_config, dst_addr);
}
nm_ip4_config_set_ptp_address (dst_config, nm_ip4_config_get_ptp_address (src_config));
nm_ip4_config_set_hostname (dst_config, nm_ip4_config_get_hostname (src_config));
nm_ip4_config_set_nis_domain (dst_config, nm_ip4_config_get_nis_domain (src_config));
len = nm_ip4_config_get_num_nameservers (src_config);
for (i = 0; i < len; i++)
nm_ip4_config_add_nameserver (dst_config, nm_ip4_config_get_nameserver (src_config, i));
len = nm_ip4_config_get_num_domains (src_config);
for (i = 0; i < len; i++)
nm_ip4_config_add_domain (dst_config, nm_ip4_config_get_domain (src_config, i));
len = nm_ip4_config_get_num_nis_servers (src_config);
for (i = 0; i < len; i++)
nm_ip4_config_add_nis_server (dst_config, nm_ip4_config_get_nis_server (src_config, i));
for (iter = src_priv->static_routes; iter; iter = g_slist_next (iter)) {
NMSettingIP4Address *src_addr = (NMSettingIP4Address *) iter->data;
NMSettingIP4Address *dst_addr;
dst_addr = g_malloc0 (sizeof (NMSettingIP4Address));
memcpy (dst_addr, src_addr, sizeof (NMSettingIP4Address));
nm_ip4_config_take_static_route (dst_config, dst_addr);
}
return dst_config;
}
void
nm_ip4_config_take_address (NMIP4Config *config,
NMSettingIP4Address *address)
{
NMIP4ConfigPrivate *priv;
g_return_if_fail (NM_IS_IP4_CONFIG (config));
g_return_if_fail (address != NULL);
priv = NM_IP4_CONFIG_GET_PRIVATE (config);
priv->addresses = g_slist_append (priv->addresses, address);
}
void
nm_ip4_config_add_address (NMIP4Config *config,
NMSettingIP4Address *address)
{
NMIP4ConfigPrivate *priv;
NMSettingIP4Address *copy;
g_return_if_fail (NM_IS_IP4_CONFIG (config));
g_return_if_fail (address != NULL);
priv = NM_IP4_CONFIG_GET_PRIVATE (config);
copy = g_malloc0 (sizeof (NMSettingIP4Address));
memcpy (copy, address, sizeof (NMSettingIP4Address));
priv->addresses = g_slist_append (priv->addresses, copy);
}
void
nm_ip4_config_replace_address (NMIP4Config *config,
guint i,
NMSettingIP4Address *new_address)
{
NMIP4ConfigPrivate *priv;
GSList *old;
g_return_if_fail (NM_IS_IP4_CONFIG (config));
priv = NM_IP4_CONFIG_GET_PRIVATE (config);
old = g_slist_nth (priv->addresses, i);
g_return_if_fail (old != NULL);
g_free (old->data);
old->data = new_address;
}
const NMSettingIP4Address *nm_ip4_config_get_address (NMIP4Config *config, guint i)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), NULL);
return (const NMSettingIP4Address *) g_slist_nth_data (NM_IP4_CONFIG_GET_PRIVATE (config)->addresses, i);
}
guint32 nm_ip4_config_get_num_addresses (NMIP4Config *config)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), 0);
return g_slist_length (NM_IP4_CONFIG_GET_PRIVATE (config)->addresses);
}
guint32 nm_ip4_config_get_ptp_address (NMIP4Config *config)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), 0);
return NM_IP4_CONFIG_GET_PRIVATE (config)->ptp_address;
}
void nm_ip4_config_set_ptp_address (NMIP4Config *config, guint32 ptp_addr)
{
g_return_if_fail (NM_IS_IP4_CONFIG (config));
NM_IP4_CONFIG_GET_PRIVATE (config)->ptp_address = ptp_addr;
}
void nm_ip4_config_add_nameserver (NMIP4Config *config, guint32 nameserver)
{
g_return_if_fail (NM_IS_IP4_CONFIG (config));
if (nameserver != 0)
g_array_append_val (NM_IP4_CONFIG_GET_PRIVATE (config)->nameservers, nameserver);
}
guint32 nm_ip4_config_get_nameserver (NMIP4Config *config, guint i)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), 0);
return g_array_index (NM_IP4_CONFIG_GET_PRIVATE (config)->nameservers, guint32, i);
}
guint32 nm_ip4_config_get_num_nameservers (NMIP4Config *config)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), 0);
return NM_IP4_CONFIG_GET_PRIVATE (config)->nameservers->len;
}
void nm_ip4_config_reset_nameservers (NMIP4Config *config)
{
NMIP4ConfigPrivate *priv;
g_return_if_fail (NM_IS_IP4_CONFIG (config));
priv = NM_IP4_CONFIG_GET_PRIVATE (config);
g_array_remove_range (priv->nameservers, 0, priv->nameservers->len);
}
void nm_ip4_config_add_nis_server (NMIP4Config *config, guint32 nis_server)
{
g_return_if_fail (NM_IS_IP4_CONFIG (config));
g_array_append_val (NM_IP4_CONFIG_GET_PRIVATE (config)->nis_servers, nis_server);
}
guint32 nm_ip4_config_get_nis_server (NMIP4Config *config, guint i)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), 0);
return g_array_index (NM_IP4_CONFIG_GET_PRIVATE (config)->nis_servers, guint32, i);
}
guint32 nm_ip4_config_get_num_nis_servers (NMIP4Config *config)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), 0);
return NM_IP4_CONFIG_GET_PRIVATE (config)->nis_servers->len;
}
void nm_ip4_config_set_hostname (NMIP4Config *config, const char *hostname)
{
g_return_if_fail (NM_IS_IP4_CONFIG (config));
g_return_if_fail (hostname != NULL);
if (!strlen (hostname))
return;
NM_IP4_CONFIG_GET_PRIVATE (config)->hostname = g_strdup (hostname);
}
const char *nm_ip4_config_get_hostname (NMIP4Config *config)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), NULL);
return NM_IP4_CONFIG_GET_PRIVATE (config)->hostname;
}
void nm_ip4_config_set_nis_domain (NMIP4Config *config, const char *domain)
{
g_return_if_fail (NM_IS_IP4_CONFIG (config));
g_return_if_fail (domain != NULL);
if (!strlen (domain))
return;
NM_IP4_CONFIG_GET_PRIVATE (config)->nis_domain = g_strdup (domain);
}
const char *nm_ip4_config_get_nis_domain (NMIP4Config *config)
{
g_return_val_if_fail( NM_IS_IP4_CONFIG (config), NULL);
return NM_IP4_CONFIG_GET_PRIVATE (config)->nis_domain;
}
void
nm_ip4_config_take_static_route (NMIP4Config *config,
NMSettingIP4Address *address)
{
NMIP4ConfigPrivate *priv;
g_return_if_fail (NM_IS_IP4_CONFIG (config));
g_return_if_fail (address != NULL);
priv = NM_IP4_CONFIG_GET_PRIVATE (config);
priv->static_routes = g_slist_append (priv->static_routes, address);
}
void
nm_ip4_config_add_static_route (NMIP4Config *config,
NMSettingIP4Address *address)
{
NMIP4ConfigPrivate *priv;
NMSettingIP4Address *copy;
g_return_if_fail (NM_IS_IP4_CONFIG (config));
g_return_if_fail (address != NULL);
priv = NM_IP4_CONFIG_GET_PRIVATE (config);
copy = g_malloc0 (sizeof (NMSettingIP4Address));
memcpy (copy, address, sizeof (NMSettingIP4Address));
priv->static_routes = g_slist_append (priv->static_routes, copy);
}
void
nm_ip4_config_replace_static_route (NMIP4Config *config,
guint i,
NMSettingIP4Address *new_address)
{
NMIP4ConfigPrivate *priv;
GSList *old;
g_return_if_fail (NM_IS_IP4_CONFIG (config));
priv = NM_IP4_CONFIG_GET_PRIVATE (config);
old = g_slist_nth (priv->static_routes, i);
g_return_if_fail (old != NULL);
g_free (old->data);
old->data = new_address;
}
const NMSettingIP4Address *
nm_ip4_config_get_static_route (NMIP4Config *config, guint i)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), NULL);
return (const NMSettingIP4Address *) g_slist_nth_data (NM_IP4_CONFIG_GET_PRIVATE (config)->static_routes, i);
}
guint32 nm_ip4_config_get_num_static_routes (NMIP4Config *config)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), 0);
return g_slist_length (NM_IP4_CONFIG_GET_PRIVATE (config)->static_routes);
}
void nm_ip4_config_add_domain (NMIP4Config *config, const char *domain)
{
g_return_if_fail (NM_IS_IP4_CONFIG (config));
g_return_if_fail (domain != NULL);
g_return_if_fail (strlen (domain) > 0);
if (!strlen (domain))
return;
g_ptr_array_add (NM_IP4_CONFIG_GET_PRIVATE (config)->domains, g_strdup (domain));
}
const char *nm_ip4_config_get_domain (NMIP4Config *config, guint i)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), NULL);
return (const char *) g_ptr_array_index (NM_IP4_CONFIG_GET_PRIVATE (config)->domains, i);
}
guint32 nm_ip4_config_get_num_domains (NMIP4Config *config)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), 0);
return NM_IP4_CONFIG_GET_PRIVATE (config)->domains->len;
}
void nm_ip4_config_add_search (NMIP4Config *config, const char *search)
{
g_return_if_fail (config != NULL);
g_return_if_fail (search != NULL);
g_return_if_fail (strlen (search) > 0);
g_ptr_array_add (NM_IP4_CONFIG_GET_PRIVATE (config)->searches, g_strdup (search));
}
const char *nm_ip4_config_get_search (NMIP4Config *config, guint i)
{
g_return_val_if_fail (config != NULL, NULL);
return (const char *) g_ptr_array_index (NM_IP4_CONFIG_GET_PRIVATE (config)->searches, i);
}
guint32 nm_ip4_config_get_num_searches (NMIP4Config *config)
{
g_return_val_if_fail (config != NULL, 0);
return NM_IP4_CONFIG_GET_PRIVATE (config)->searches->len;
}
void nm_ip4_config_reset_searches (NMIP4Config *config)
{
NMIP4ConfigPrivate *priv;
g_return_if_fail (NM_IS_IP4_CONFIG (config));
priv = NM_IP4_CONFIG_GET_PRIVATE (config);
g_ptr_array_remove_range (priv->searches, 0, priv->searches->len);
}
guint32 nm_ip4_config_get_mtu (NMIP4Config *config)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), 0);
return NM_IP4_CONFIG_GET_PRIVATE (config)->mtu;
}
void nm_ip4_config_set_mtu (NMIP4Config *config, guint32 mtu)
{
g_return_if_fail (NM_IS_IP4_CONFIG (config));
NM_IP4_CONFIG_GET_PRIVATE (config)->mtu = mtu;
}
guint32 nm_ip4_config_get_mss (NMIP4Config *config)
{
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), 0);
return NM_IP4_CONFIG_GET_PRIVATE (config)->mss;
}
void nm_ip4_config_set_mss (NMIP4Config *config, guint32 mss)
{
g_return_if_fail (NM_IS_IP4_CONFIG (config));
NM_IP4_CONFIG_GET_PRIVATE (config)->mss = mss;
}
/* libnl convenience/conversion functions */
static int ip4_addr_to_rtnl_local (guint32 ip4_address, struct rtnl_addr *addr)
{
struct nl_addr * local = NULL;
int err = 0;
g_return_val_if_fail (addr != NULL, -1);
local = nm_utils_ip4_addr_to_nl_addr (ip4_address);
err = rtnl_addr_set_local (addr, local);
nl_addr_put (local);
return err;
}
static int ip4_addr_to_rtnl_peer (guint32 ip4_address, struct rtnl_addr *addr)
{
struct nl_addr * peer = NULL;
int err = 0;
g_return_val_if_fail (addr != NULL, -1);
peer = nm_utils_ip4_addr_to_nl_addr (ip4_address);
err = rtnl_addr_set_peer (addr, peer);
nl_addr_put (peer);
return err;
}
static void ip4_addr_to_rtnl_prefixlen (guint32 ip4_netmask, struct rtnl_addr *addr)
{
g_return_if_fail (addr != NULL);
rtnl_addr_set_prefixlen (addr, nm_utils_ip4_netmask_to_prefix (ip4_netmask));
}
static int ip4_addr_to_rtnl_broadcast (guint32 ip4_broadcast, struct rtnl_addr *addr)
{
struct nl_addr * local = NULL;
int err = 0;
g_return_val_if_fail (addr != NULL, -1);
local = nm_utils_ip4_addr_to_nl_addr (ip4_broadcast);
err = rtnl_addr_set_broadcast (addr, local);
nl_addr_put (local);
return err;
}
struct rtnl_addr *
nm_ip4_config_to_rtnl_addr (NMIP4Config *config, guint32 i, guint32 flags)
{
NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE (config);
const NMSettingIP4Address *config_addr;
struct rtnl_addr *addr;
gboolean success = TRUE;
g_return_val_if_fail (NM_IS_IP4_CONFIG (config), NULL);
config_addr = nm_ip4_config_get_address (config, i);
g_return_val_if_fail (config_addr != NULL, NULL);
if (!(addr = rtnl_addr_alloc()))
return NULL;
if (flags & NM_RTNL_ADDR_ADDR)
success = (ip4_addr_to_rtnl_local (config_addr->address, addr) >= 0);
if (flags & NM_RTNL_ADDR_PTP_ADDR)
success = (ip4_addr_to_rtnl_peer (priv->ptp_address, addr) >= 0);
if (flags & NM_RTNL_ADDR_NETMASK)
ip4_addr_to_rtnl_prefixlen (config_addr->netmask, addr);
if (flags & NM_RTNL_ADDR_BROADCAST) {
guint32 hostmask, network, bcast;
network = ntohl (config_addr->address) & ntohl (config_addr->netmask);
hostmask = ~ntohl (config_addr->netmask);
bcast = htonl (network | hostmask);
success = (ip4_addr_to_rtnl_broadcast (bcast, addr) >= 0);
}
if (!success) {
rtnl_addr_put (addr);
addr = NULL;
}
return addr;
}
static void
nm_ip4_config_init (NMIP4Config *config)
{
NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE (config);
priv->nameservers = g_array_new (FALSE, TRUE, sizeof (guint32));
priv->nis_servers = g_array_new (FALSE, TRUE, sizeof (guint32));
priv->domains = g_ptr_array_new ();
priv->searches = g_ptr_array_new ();
}
static void
finalize (GObject *object)
{
NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE (object);
nm_utils_slist_free (priv->addresses, g_free);
g_free (priv->hostname);
g_free (priv->nis_domain);
g_array_free (priv->nameservers, TRUE);
g_ptr_array_free (priv->domains, TRUE);
g_ptr_array_free (priv->searches, TRUE);
g_array_free (priv->nis_servers, TRUE);
nm_utils_slist_free (priv->static_routes, g_free);
}
static void
ip4_addresses_to_gvalue (GSList *list, GValue *value)
{
GPtrArray *addresses;
GSList *iter;
addresses = g_ptr_array_new ();
for (iter = list; iter; iter = iter->next) {
NMSettingIP4Address *ip4_addr = (NMSettingIP4Address *) iter->data;
GArray *array;
const guint32 empty_val = 0;
array = g_array_sized_new (FALSE, TRUE, sizeof (guint32), 3);
g_array_append_val (array, ip4_addr->address);
g_array_append_val (array, ip4_addr->netmask);
if (ip4_addr->gateway)
g_array_append_val (array, ip4_addr->gateway);
else
g_array_append_val (array, empty_val);
g_ptr_array_add (addresses, array);
}
g_value_take_boxed (value, addresses);
}
static void
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE (object);
switch (prop_id) {
case PROP_ADDRESSES:
ip4_addresses_to_gvalue (priv->addresses, value);
break;
case PROP_HOSTNAME:
g_value_set_string (value, priv->hostname);
break;
case PROP_NAMESERVERS:
g_value_set_boxed (value, priv->nameservers);
break;
case PROP_DOMAINS:
g_value_set_boxed (value, priv->domains);
break;
case PROP_NIS_DOMAIN:
g_value_set_string (value, priv->nis_domain);
break;
case PROP_NIS_SERVERS:
g_value_set_boxed (value, priv->nis_servers);
break;
case PROP_STATIC_ROUTES:
ip4_addresses_to_gvalue (priv->static_routes, value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
nm_ip4_config_class_init (NMIP4ConfigClass *config_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (config_class);
g_type_class_add_private (config_class, sizeof (NMIP4ConfigPrivate));
/* virtual methods */
object_class->get_property = get_property;
object_class->finalize = finalize;
/* properties */
g_object_class_install_property
(object_class, PROP_ADDRESSES,
g_param_spec_boxed (NM_IP4_CONFIG_ADDRESSES,
"Addresses",
"IP4 addresses",
DBUS_TYPE_G_ARRAY_OF_ARRAY_OF_UINT,
G_PARAM_READABLE));
g_object_class_install_property
(object_class, PROP_HOSTNAME,
g_param_spec_string (NM_IP4_CONFIG_HOSTNAME,
"Hostname",
"Hostname",
NULL,
G_PARAM_READABLE));
g_object_class_install_property
(object_class, PROP_NAMESERVERS,
g_param_spec_boxed (NM_IP4_CONFIG_NAMESERVERS,
"Nameservers",
"DNS list",
DBUS_TYPE_G_UINT_ARRAY,
G_PARAM_READABLE));
g_object_class_install_property
(object_class, PROP_DOMAINS,
g_param_spec_boxed (NM_IP4_CONFIG_DOMAINS,
"Domains",
"Domains",
DBUS_TYPE_G_ARRAY_OF_STRING,
G_PARAM_READABLE));
g_object_class_install_property
(object_class, PROP_NIS_DOMAIN,
g_param_spec_string (NM_IP4_CONFIG_NIS_DOMAIN,
"NIS domain",
"NIS domain name",
NULL,
G_PARAM_READABLE));
g_object_class_install_property
(object_class, PROP_NIS_SERVERS,
g_param_spec_boxed (NM_IP4_CONFIG_NIS_SERVERS,
"NIS servers",
"NIS servers",
DBUS_TYPE_G_UINT_ARRAY,
G_PARAM_READABLE));
g_object_class_install_property
(object_class, PROP_STATIC_ROUTES,
g_param_spec_boxed (NM_IP4_CONFIG_STATIC_ROUTES,
"Static routes",
"Static routes",
DBUS_TYPE_G_ARRAY_OF_ARRAY_OF_UINT,
G_PARAM_READABLE));
dbus_g_object_type_install_info (G_TYPE_FROM_CLASS (config_class),
&dbus_glib_nm_ip4_config_object_info);
}