/* NetworkManager -- Network link manager

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

 * Boston, MA 02110-1301 USA.

 *

 * (C) Copyright 2017 Red Hat, Inc.

 */

#include "nm-default.h"

#include "nm-compat.h"

/*****************************************************************************/

static void

_get_keys_cb (const char *key, const char *val, gpointer user_data)

{

	GPtrArray *a = user_data;

	g_ptr_array_add (a, g_strdup (key));

}

static const char **

_get_keys (NMSettingVpn *setting,

           gboolean is_secrets,

           guint *out_length)

{

	guint len;

	const char **keys = NULL;

	GPtrArray *a;

	nm_assert (NM_IS_SETTING_VPN (setting));

	if (is_secrets)

		len = nm_setting_vpn_get_num_secrets (setting);

	else

		len = nm_setting_vpn_get_num_data_items (setting);

	a = g_ptr_array_sized_new (len + 1);

	if (is_secrets)

		nm_setting_vpn_foreach_secret (setting, _get_keys_cb, a);

	else

		nm_setting_vpn_foreach_data_item (setting, _get_keys_cb, a);

	len = a->len;

	if (len) {

		g_ptr_array_sort (a, nm_strcmp_p);

		g_ptr_array_add (a, NULL);

		keys = g_memdup (a->pdata, a->len * sizeof (gpointer));

		/* we need to cache the keys *somewhere*. */

		g_object_set_qdata_full (G_OBJECT (setting),

		                         is_secrets

		                         ? NM_CACHED_QUARK ("libnm._nm_setting_vpn_get_secret_keys")

		                         : NM_CACHED_QUARK ("libnm._nm_setting_vpn_get_data_keys"),

		                         g_ptr_array_free (a, FALSE),

		                         (GDestroyNotify) g_strfreev);

	} else

		g_ptr_array_free (a, TRUE);

	NM_SET_OUT (out_length, len);

	return keys;

}

const char **

_nm_setting_vpn_get_data_keys (NMSettingVpn *setting,

                               guint *out_length)

{

	g_return_val_if_fail (NM_IS_SETTING_VPN (setting), NULL);

	return _get_keys (setting, FALSE, out_length);

}

const char **

_nm_setting_vpn_get_secret_keys (NMSettingVpn *setting,

                                 guint *out_length)

{

	g_return_val_if_fail (NM_IS_SETTING_VPN (setting), NULL);

	return _get_keys (setting, TRUE, out_length);

}