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/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* (C) Copyright 2005 Red Hat, Inc.
*/
#include <glib.h>
#include <glib/gi18n.h>
#include <dbus/dbus.h>
#include <iwlib.h>
#include "nm-ap-security.h"
#include "nm-ap-security-wep.h"
#include "nm-ap-security-private.h"
#include "dbus-helpers.h"
#include "nm-device-802-11-wireless.h"
#include "nm-utils.h"
#include "nm-supplicant-config.h"
#define NM_AP_SECURITY_WEP_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_AP_SECURITY_WEP, NMAPSecurityWEPPrivate))
struct _NMAPSecurityWEPPrivate
{
int auth_algorithm;
};
static int get_auth_algorithm (NMAPSecurityWEP *security)
{
return security->priv->auth_algorithm;
}
static void set_description (NMAPSecurityWEP *security)
{
NMAPSecurity * parent = NM_AP_SECURITY (security);
if (nm_ap_security_get_we_cipher (parent) == IW_AUTH_CIPHER_WEP40)
nm_ap_security_set_description (parent, _("40-bit WEP"));
else
nm_ap_security_set_description (parent, _("104-bit WEP"));
}
NMAPSecurityWEP *
nm_ap_security_wep_new_deserialize (DBusMessageIter *iter, int we_cipher)
{
NMAPSecurityWEP * security = NULL;
char * key = NULL;
int key_len;
int auth_algorithm;
g_return_val_if_fail (iter != NULL, NULL);
g_return_val_if_fail ((we_cipher == IW_AUTH_CIPHER_WEP40) || (we_cipher == IW_AUTH_CIPHER_WEP104), NULL);
if (!nmu_security_deserialize_wep (iter, &key, &key_len, &auth_algorithm))
goto out;
/* Success, build up our security object */
security = g_object_new (NM_TYPE_AP_SECURITY_WEP, NULL);
nm_ap_security_set_we_cipher (NM_AP_SECURITY (security), we_cipher);
if (key)
nm_ap_security_set_key (NM_AP_SECURITY (security), key, key_len);
security->priv->auth_algorithm = auth_algorithm;
set_description (security);
out:
return security;
}
NMAPSecurityWEP *
nm_ap_security_wep_new (int we_cipher)
{
NMAPSecurityWEP *security;
g_return_val_if_fail ((we_cipher == IW_AUTH_CIPHER_WEP40) || (we_cipher == IW_AUTH_CIPHER_WEP104), NULL);
security = g_object_new (NM_TYPE_AP_SECURITY_WEP, NULL);
nm_ap_security_set_we_cipher (NM_AP_SECURITY (security), we_cipher);
security->priv->auth_algorithm = IW_AUTH_ALG_OPEN_SYSTEM;
set_description (security);
return security;
}
static int
real_serialize (NMAPSecurity *instance, DBusMessageIter *iter)
{
NMAPSecurityWEP * self = NM_AP_SECURITY_WEP (instance);
if (!nmu_security_serialize_wep (iter,
nm_ap_security_get_key (instance),
self->priv->auth_algorithm))
return -1;
return 0;
}
static gboolean
real_write_supplicant_config (NMAPSecurity *instance,
NMSupplicantConfig * config,
gboolean adhoc)
{
gboolean success = FALSE;
const char * key = nm_ap_security_get_key (instance);
char * bin_key = NULL;
/* WEP network setup */
if (!nm_supplicant_config_add_option (config, "key_mgmt", "NONE", -1))
goto out;
/*
* If the user selected "Shared" (aka restricted) key, set it explicitly. Otherwise,
* let wpa_supplicant default to the right thing, which is an open key.
*/
if (get_auth_algorithm (NM_AP_SECURITY_WEP (instance)) == IW_AUTH_ALG_SHARED_KEY) {
if (!nm_supplicant_config_add_option (config, "auth_alg", "SHARED", -1))
goto out;
}
bin_key = cipher_hexstr2bin(key, strlen (key));
if (bin_key == NULL) {
nm_warning ("Not enough memory to convert key.");
goto out;
}
if (!nm_supplicant_config_add_option (config, "wep_key0", bin_key, -1)) {
g_free (bin_key);
goto out;
}
g_free (bin_key);
if (!nm_supplicant_config_add_option (config, "wep_tx_keyidx", "0", -1))
goto out;
success = TRUE;
out:
return success;
}
static guint32
real_get_default_capabilities (NMAPSecurity *instance)
{
guint32 caps = NM_802_11_CAP_NONE;
switch (nm_ap_security_get_we_cipher (instance))
{
case IW_AUTH_CIPHER_WEP40:
caps |= (NM_802_11_CAP_PROTO_WEP | NM_802_11_CAP_CIPHER_WEP40);
break;
case IW_AUTH_CIPHER_WEP104:
caps |= (NM_802_11_CAP_PROTO_WEP | NM_802_11_CAP_CIPHER_WEP104);
break;
default:
break;
}
return caps;
}
static gboolean
real_get_authentication_required (NMAPSecurity *instance)
{
/* WEP really requires authentication in Shared mode only */
return (get_auth_algorithm (NM_AP_SECURITY_WEP (instance)) == IW_AUTH_ALG_SHARED_KEY);
}
static NMAPSecurity *
real_copy_constructor (NMAPSecurity *instance)
{
NMAPSecurityWEP * dst = g_object_new (NM_TYPE_AP_SECURITY_WEP, NULL);
NMAPSecurityWEP * self = NM_AP_SECURITY_WEP (instance);
dst->priv->auth_algorithm = self->priv->auth_algorithm;
nm_ap_security_copy_properties (NM_AP_SECURITY (self), NM_AP_SECURITY (dst));
return NM_AP_SECURITY (dst);
}
static void
nm_ap_security_wep_init (NMAPSecurityWEP * self)
{
self->priv = NM_AP_SECURITY_WEP_GET_PRIVATE (self);
self->priv->auth_algorithm = IW_AUTH_ALG_OPEN_SYSTEM;
}
static void
nm_ap_security_wep_class_init (NMAPSecurityWEPClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
NMAPSecurityClass *par_class = NM_AP_SECURITY_CLASS (klass);
par_class->copy_constructor_func = real_copy_constructor;
par_class->serialize_func = real_serialize;
par_class->write_supplicant_config_func = real_write_supplicant_config;
par_class->get_default_capabilities_func = real_get_default_capabilities;
par_class->get_authentication_required_func = real_get_authentication_required;
g_type_class_add_private (object_class, sizeof (NMAPSecurityWEPPrivate));
}
GType
nm_ap_security_wep_get_type (void)
{
static GType type = 0;
if (type == 0) {
static const GTypeInfo info = {
sizeof (NMAPSecurityWEPClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) nm_ap_security_wep_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (NMAPSecurityWEP),
0, /* n_preallocs */
(GInstanceInitFunc) nm_ap_security_wep_init,
NULL /* value_table */
};
type = g_type_register_static (NM_TYPE_AP_SECURITY,
"NMAPSecurityWEP",
&info, 0);
}
return type;
}
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