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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager Applet -- allow user control over networking
*
* 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.
*
* Copyright 2007 - 2014 Red Hat, Inc.
*/
#include <ctype.h>
#include <glib/gi18n.h>
#include "helpers.h"
#include "nma-ui-utils.h"
#include "ui-helpers.h"
#include "ws-wpa-psk.h"
#include "wireless-security.h"
#define WPA_PMK_LEN 32
struct _WirelessSecurityWPAPSK {
GtkGrid parent;
GtkEntry *password_entry;
GtkLabel *password_label;
GtkCheckButton *show_password_check;
GtkComboBox *type_combo;
GtkLabel *type_label;
};
static void wireless_security_iface_init (WirelessSecurityInterface *);
G_DEFINE_TYPE_WITH_CODE (WirelessSecurityWPAPSK, ws_wpa_psk, GTK_TYPE_GRID,
G_IMPLEMENT_INTERFACE (wireless_security_get_type (), wireless_security_iface_init));
static void
show_toggled_cb (WirelessSecurityWPAPSK *self)
{
gboolean visible;
visible = gtk_check_button_get_active (GTK_CHECK_BUTTON (self->show_password_check));
gtk_entry_set_visibility (self->password_entry, visible);
}
static gboolean
validate (WirelessSecurity *security, GError **error)
{
WirelessSecurityWPAPSK *self = WS_WPA_PSK (security);
NMSettingSecretFlags secret_flags;
const char *key;
gsize len;
int i;
secret_flags = nma_utils_menu_to_secret_flags (GTK_WIDGET (self->password_entry));
if (secret_flags & NM_SETTING_SECRET_FLAG_NOT_SAVED) {
widget_unset_error (GTK_WIDGET (self->password_entry));
return TRUE;
}
key = gtk_editable_get_text (GTK_EDITABLE (self->password_entry));
len = key ? strlen (key) : 0;
if ((len < 8) || (len > 64)) {
widget_set_error (GTK_WIDGET (self->password_entry));
g_set_error (error, NMA_ERROR, NMA_ERROR_GENERIC, _("invalid wpa-psk: invalid key-length %zu. Must be [8,63] bytes or 64 hex digits"), len);
return FALSE;
}
if (len == 64) {
/* Hex PSK */
for (i = 0; i < len; i++) {
if (!isxdigit (key[i])) {
widget_set_error (GTK_WIDGET (self->password_entry));
g_set_error_literal (error, NMA_ERROR, NMA_ERROR_GENERIC, _("invalid wpa-psk: cannot interpret key with 64 bytes as hex"));
return FALSE;
}
}
}
widget_unset_error (GTK_WIDGET (self->password_entry));
/* passphrase can be between 8 and 63 characters inclusive */
return TRUE;
}
static void
add_to_size_group (WirelessSecurity *security, GtkSizeGroup *group)
{
WirelessSecurityWPAPSK *self = WS_WPA_PSK (security);
gtk_size_group_add_widget (group, GTK_WIDGET (self->type_label));
gtk_size_group_add_widget (group, GTK_WIDGET (self->password_label));
}
static void
fill_connection (WirelessSecurity *security, NMConnection *connection)
{
WirelessSecurityWPAPSK *self = WS_WPA_PSK (security);
const char *key;
NMSettingWireless *s_wireless;
NMSettingWirelessSecurity *s_wireless_sec;
NMSettingSecretFlags secret_flags;
const char *mode;
gboolean is_adhoc = FALSE;
s_wireless = nm_connection_get_setting_wireless (connection);
g_assert (s_wireless);
mode = nm_setting_wireless_get_mode (s_wireless);
if (mode && !strcmp (mode, "adhoc"))
is_adhoc = TRUE;
/* Blow away the old security setting by adding a clear one */
s_wireless_sec = (NMSettingWirelessSecurity *) nm_setting_wireless_security_new ();
nm_connection_add_setting (connection, (NMSetting *) s_wireless_sec);
key = gtk_editable_get_text (GTK_EDITABLE (self->password_entry));
g_object_set (s_wireless_sec, NM_SETTING_WIRELESS_SECURITY_PSK, key, NULL);
/* Save PSK_FLAGS to the connection */
secret_flags = nma_utils_menu_to_secret_flags (GTK_WIDGET (self->password_entry));
nm_setting_set_secret_flags (NM_SETTING (s_wireless_sec), NM_SETTING_WIRELESS_SECURITY_PSK,
secret_flags, NULL);
/* Update secret flags and popup when editing the connection */
nma_utils_update_password_storage (GTK_WIDGET (self->password_entry), secret_flags,
NM_SETTING (s_wireless_sec), NM_SETTING_WIRELESS_SECURITY_PSK);
wireless_security_clear_ciphers (connection);
if (is_adhoc) {
/* Ad-Hoc settings as specified by the supplicant */
g_object_set (s_wireless_sec, NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "wpa-none", NULL);
nm_setting_wireless_security_add_proto (s_wireless_sec, "wpa");
nm_setting_wireless_security_add_pairwise (s_wireless_sec, "none");
/* Ad-hoc can only have _one_ group cipher... default to TKIP to be more
* compatible for now. Maybe we'll support selecting CCMP later.
*/
nm_setting_wireless_security_add_group (s_wireless_sec, "tkip");
} else {
g_object_set (s_wireless_sec, NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "wpa-psk", NULL);
/* Just leave ciphers and protocol empty, the supplicant will
* figure that out magically based on the AP IEs and card capabilities.
*/
}
}
static gboolean
adhoc_compatible (WirelessSecurity *security)
{
return FALSE;
}
static void
changed_cb (WirelessSecurityWPAPSK *self)
{
wireless_security_notify_changed ((WirelessSecurity *) self);
}
void
ws_wpa_psk_init (WirelessSecurityWPAPSK *self)
{
gtk_widget_init_template (GTK_WIDGET (self));
}
void
ws_wpa_psk_class_init (WirelessSecurityWPAPSKClass *klass)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/Settings/network/ws-wpa-psk.ui");
gtk_widget_class_bind_template_child (widget_class, WirelessSecurityWPAPSK, password_entry);
gtk_widget_class_bind_template_child (widget_class, WirelessSecurityWPAPSK, password_label);
gtk_widget_class_bind_template_child (widget_class, WirelessSecurityWPAPSK, show_password_check);
gtk_widget_class_bind_template_child (widget_class, WirelessSecurityWPAPSK, type_combo);
gtk_widget_class_bind_template_child (widget_class, WirelessSecurityWPAPSK, type_label);
}
static void
wireless_security_iface_init (WirelessSecurityInterface *iface)
{
iface->validate = validate;
iface->add_to_size_group = add_to_size_group;
iface->fill_connection = fill_connection;
iface->adhoc_compatible = adhoc_compatible;
}
WirelessSecurityWPAPSK *
ws_wpa_psk_new (NMConnection *connection)
{
WirelessSecurityWPAPSK *self;
NMSetting *setting = NULL;
self = g_object_new (ws_wpa_psk_get_type (), NULL);
g_signal_connect_swapped (self->password_entry, "changed", G_CALLBACK (changed_cb), self);
gtk_editable_set_width_chars (GTK_EDITABLE (self->password_entry), 28);
/* Create password-storage popup menu for password entry under entry's secondary icon */
if (connection)
setting = (NMSetting *) nm_connection_get_setting_wireless_security (connection);
nma_utils_setup_password_storage (GTK_WIDGET (self->password_entry), 0, setting, NM_SETTING_WIRELESS_SECURITY_PSK,
FALSE, FALSE);
/* Fill secrets, if any */
if (connection) {
helper_fill_secret_entry (connection,
self->password_entry,
NM_TYPE_SETTING_WIRELESS_SECURITY,
(HelperSecretFunc) nm_setting_wireless_security_get_psk);
}
g_signal_connect_swapped (self->show_password_check, "toggled", G_CALLBACK (show_toggled_cb), self);
/* Hide WPA/RSN for now since this can be autodetected by NM and the
* supplicant when connecting to the AP.
*/
gtk_widget_hide (GTK_WIDGET (self->type_combo));
gtk_widget_hide (GTK_WIDGET (self->type_label));
return self;
}
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