path: root/libnm-util/nm-setting-gsm.c

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */

/*
 * 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.
 *
 * Copyright 2007 - 2013 Red Hat, Inc.
 * Copyright 2007 - 2008 Novell, Inc.
 */

#include "config.h"

#include <string.h>
#include <glib/gi18n-lib.h>

#include "nm-setting-gsm.h"
#include "nm-utils.h"
#include "nm-setting-private.h"

/**
 * SECTION:nm-setting-gsm
 * @short_description: Describes GSM/3GPP-based mobile broadband properties
 * @include: nm-setting-gsm.h
 *
 * The #NMSettingGsm object is a #NMSetting subclass that describes
 * properties that allow connections to 3GPP-based mobile broadband
 * networks, including those using GPRS/EDGE and UMTS/HSPA technology.
 */

/**
 * nm_setting_gsm_error_quark:
 *
 * Registers an error quark for #NMSettingGsm if necessary.
 *
 * Returns: the error quark used for #NMSettingGsm errors.
 **/
GQuark
nm_setting_gsm_error_quark (void)
{
	static GQuark quark;

	if (G_UNLIKELY (!quark))
		quark = g_quark_from_static_string ("nm-setting-gsm-error-quark");
	return quark;
}


G_DEFINE_TYPE_WITH_CODE (NMSettingGsm, nm_setting_gsm, NM_TYPE_SETTING,
                         _nm_register_setting (NM_SETTING_GSM_SETTING_NAME,
                                               g_define_type_id,
                                               1,
                                               NM_SETTING_GSM_ERROR))
NM_SETTING_REGISTER_TYPE (NM_TYPE_SETTING_GSM)

#define NM_SETTING_GSM_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_SETTING_GSM, NMSettingGsmPrivate))

typedef struct {
	char *number; /* For dialing, duh */
	char *username;
	char *password;
	NMSettingSecretFlags password_flags;

	char *apn; /* NULL for dynamic */
	char *network_id; /* for manual registration or NULL for automatic */
	int network_type; /* One of the NM_SETTING_GSM_NETWORK_TYPE_* */
	guint32 allowed_bands;     /* A bitfield of NM_SETTING_GSM_BAND_* */

	char *pin;
	NMSettingSecretFlags pin_flags;

	gboolean home_only;
} NMSettingGsmPrivate;

enum {
	PROP_0,
	PROP_NUMBER,
	PROP_USERNAME,
	PROP_PASSWORD,
	PROP_PASSWORD_FLAGS,
	PROP_APN,
	PROP_NETWORK_ID,
	PROP_NETWORK_TYPE,
	PROP_PIN,
	PROP_PIN_FLAGS,
	PROP_ALLOWED_BANDS,
	PROP_HOME_ONLY,

	LAST_PROP
};

/**
 * nm_setting_gsm_new:
 *
 * Creates a new #NMSettingGsm object with default values.
 *
 * Returns: the new empty #NMSettingGsm object
 **/
NMSetting *
nm_setting_gsm_new (void)
{
	return (NMSetting *) g_object_new (NM_TYPE_SETTING_GSM, NULL);
}

/**
 * nm_setting_gsm_get_number:
 * @setting: the #NMSettingGsm
 *
 * Returns: the #NMSettingGsm:number property of the setting
 **/
const char *
nm_setting_gsm_get_number (NMSettingGsm *setting)
{
	g_return_val_if_fail (NM_IS_SETTING_GSM (setting), NULL);

	return NM_SETTING_GSM_GET_PRIVATE (setting)->number;
}

/**
 * nm_setting_gsm_get_username:
 * @setting: the #NMSettingGsm
 *
 * Returns: the #NMSettingGsm:username property of the setting
 **/
const char *
nm_setting_gsm_get_username (NMSettingGsm *setting)
{
	g_return_val_if_fail (NM_IS_SETTING_GSM (setting), NULL);

	return NM_SETTING_GSM_GET_PRIVATE (setting)->username;
}

/**
 * nm_setting_gsm_get_password:
 * @setting: the #NMSettingGsm
 *
 * Returns: the #NMSettingGsm:password property of the setting
 **/
const char *
nm_setting_gsm_get_password (NMSettingGsm *setting)
{
	g_return_val_if_fail (NM_IS_SETTING_GSM (setting), NULL);

	return NM_SETTING_GSM_GET_PRIVATE (setting)->password;
}

/**
 * nm_setting_gsm_get_password_flags:
 * @setting: the #NMSettingGsm
 *
 * Returns: the #NMSettingSecretFlags pertaining to the #NMSettingGsm:password
 **/
NMSettingSecretFlags
nm_setting_gsm_get_password_flags (NMSettingGsm *setting)
{
	g_return_val_if_fail (NM_IS_SETTING_GSM (setting), NM_SETTING_SECRET_FLAG_NONE);

	return NM_SETTING_GSM_GET_PRIVATE (setting)->password_flags;
}

/**
 * nm_setting_gsm_get_apn:
 * @setting: the #NMSettingGsm
 *
 * Returns: the #NMSettingGsm:apn property of the setting
 **/
const char *
nm_setting_gsm_get_apn (NMSettingGsm *setting)
{
	g_return_val_if_fail (NM_IS_SETTING_GSM (setting), NULL);

	return NM_SETTING_GSM_GET_PRIVATE (setting)->apn;
}

/**
 * nm_setting_gsm_get_network_id:
 * @setting: the #NMSettingGsm
 *
 * Returns: the #NMSettingGsm:network-id property of the setting
 **/
const char *
nm_setting_gsm_get_network_id (NMSettingGsm *setting)
{
	g_return_val_if_fail (NM_IS_SETTING_GSM (setting), NULL);

	return NM_SETTING_GSM_GET_PRIVATE (setting)->network_id;
}

/**
 * nm_setting_gsm_get_network_type:
 * @setting: the #NMSettingGsm
 *
 * Returns: the #NMSettingGsm:network-type property of the setting
 *
 * Deprecated: 0.9.10: No longer used. Network type setting should be done talking to ModemManager directly.
 **/
int
nm_setting_gsm_get_network_type (NMSettingGsm *setting)
{
	g_return_val_if_fail (NM_IS_SETTING_GSM (setting), -1);

	return NM_SETTING_GSM_GET_PRIVATE (setting)->network_type;
}

/**
 * nm_setting_gsm_get_allowed_bands:
 * @setting: the #NMSettingGsm
 *
 * Returns: the #NMSettingGsm:allowed-bands property of the setting
 *
 * Deprecated: 0.9.10: No longer used. Bands setting should be done talking to ModemManager directly.
 **/
guint32
nm_setting_gsm_get_allowed_bands (NMSettingGsm *setting)
{
	g_return_val_if_fail (NM_IS_SETTING_GSM (setting), NM_SETTING_GSM_BAND_UNKNOWN);

	return NM_SETTING_GSM_GET_PRIVATE (setting)->allowed_bands;
}

/**
 * nm_setting_gsm_get_pin:
 * @setting: the #NMSettingGsm
 *
 * Returns: the #NMSettingGsm:pin property of the setting
 **/
const char *
nm_setting_gsm_get_pin (NMSettingGsm *setting)
{
	g_return_val_if_fail (NM_IS_SETTING_GSM (setting), NULL);

	return NM_SETTING_GSM_GET_PRIVATE (setting)->pin;
}

/**
 * nm_setting_gsm_get_pin_flags:
 * @setting: the #NMSettingGsm
 *
 * Returns: the #NMSettingSecretFlags pertaining to the #NMSettingGsm:pin
 **/
NMSettingSecretFlags
nm_setting_gsm_get_pin_flags (NMSettingGsm *setting)
{
	g_return_val_if_fail (NM_IS_SETTING_GSM (setting), NM_SETTING_SECRET_FLAG_NONE);

	return NM_SETTING_GSM_GET_PRIVATE (setting)->pin_flags;
}

/**
 * nm_setting_gsm_get_home_only:
 * @setting: the #NMSettingGsm
 *
 * Returns: the #NMSettingGsm:home-only property of the setting
 **/
gboolean
nm_setting_gsm_get_home_only (NMSettingGsm *setting)
{
	g_return_val_if_fail (NM_IS_SETTING_GSM (setting), FALSE);

	return NM_SETTING_GSM_GET_PRIVATE (setting)->home_only;
}

static gboolean
verify (NMSetting *setting, GSList *all_settings, GError **error)
{
	NMSettingGsmPrivate *priv = NM_SETTING_GSM_GET_PRIVATE (setting);

	if (priv->number && !priv->number[0]) {
		g_set_error_literal (error,
		                     NM_SETTING_GSM_ERROR,
		                     NM_SETTING_GSM_ERROR_INVALID_PROPERTY,
		                     _("property is empty"));
		g_prefix_error (error, "%s.%s: ", NM_SETTING_GSM_SETTING_NAME, NM_SETTING_GSM_NUMBER);
		return FALSE;
	}

	if (priv->apn) {
		guint32 apn_len = strlen (priv->apn);
		guint32 i;

		if (apn_len < 1 || apn_len > 64) {
			g_set_error (error,
			             NM_SETTING_GSM_ERROR,
			             NM_SETTING_GSM_ERROR_INVALID_PROPERTY,
			             _("property value '%s' is empty or too long (>64)"),
			             priv->apn);
			g_prefix_error (error, "%s.%s: ", NM_SETTING_GSM_SETTING_NAME, NM_SETTING_GSM_APN);
			return FALSE;
		}

		/* APNs roughly follow the same rules as DNS domain names.  Allowed
		 * characters are a-z, 0-9, . and -.  GSM 03.03 Section 9.1 states:
		 *
		 *   The syntax of the APN shall follow the Name Syntax defined in
		 *   RFC 2181 [14] and RFC 1035 [15]. The APN consists of one or
		 *   more labels. Each label is coded as one octet length field
		 *   followed by that number of octets coded as 8 bit ASCII characters.
		 *   Following RFC 1035 [15] the labels should consist only of the
		 *   alphabetic characters (A-Z and a-z), digits (0-9) and the
		 *   dash (-). The case of alphabetic characters is not significant.
		 *
		 * A dot (.) is commonly used to separate parts of the APN, and
		 * apparently the underscore (_) is used as well.  RFC 2181 indicates
		 * that no restrictions of any kind are placed on DNS labels, and thus
		 * it would appear that none are placed on APNs either, but many modems
		 * and networks will fail to accept APNs that include odd characters
		 * like space ( ) and such.
		 */
		for (i = 0; i < apn_len; i++) {
			if (   !g_ascii_isalnum (priv->apn[i])
			    && (priv->apn[i] != '.')
			    && (priv->apn[i] != '_')
			    && (priv->apn[i] != '-')) {
				g_set_error (error,
				             NM_SETTING_GSM_ERROR,
				             NM_SETTING_GSM_ERROR_INVALID_PROPERTY,
				             _("'%s' contains invalid char(s) (use [A-Za-z._-])"),
				             priv->apn);
				g_prefix_error (error, "%s.%s: ", NM_SETTING_GSM_SETTING_NAME, NM_SETTING_GSM_APN);
				return FALSE;
			}
		}
	}

	if (priv->username && !strlen (priv->username)) {
		g_set_error_literal (error,
		                     NM_SETTING_GSM_ERROR,
		                     NM_SETTING_GSM_ERROR_INVALID_PROPERTY,
		                     _("property is empty"));
		g_prefix_error (error, "%s.%s: ", NM_SETTING_GSM_SETTING_NAME, NM_SETTING_GSM_USERNAME);
		return FALSE;
	}

	if (priv->network_id) {
		guint32 nid_len = strlen (priv->network_id);
		guint32 i;

		/* Accept both 5 and 6 digit MCC/MNC codes */
		if ((nid_len < 5) || (nid_len > 6)) {
			g_set_error (error,
			             NM_SETTING_GSM_ERROR,
			             NM_SETTING_GSM_ERROR_INVALID_PROPERTY,
			             _("'%s' length is invalid (should be 5 or 6 digits)"),
			             priv->network_id);
			g_prefix_error (error, "%s.%s: ", NM_SETTING_GSM_SETTING_NAME, NM_SETTING_GSM_NETWORK_ID);
			return FALSE;
		}

		for (i = 0; i < nid_len; i++) {
			if (!g_ascii_isdigit (priv->network_id[i])) {
				g_set_error (error,
				             NM_SETTING_GSM_ERROR,
				             NM_SETTING_GSM_ERROR_INVALID_PROPERTY,
				             _("'%s' is not a number"),
				             priv->network_id);
				g_prefix_error (error, "%s.%s: ", NM_SETTING_GSM_SETTING_NAME, NM_SETTING_GSM_NETWORK_ID);
				return FALSE;
			}
		}
	}

	return TRUE;
}

static GPtrArray *
need_secrets (NMSetting *setting)
{
	NMSettingGsmPrivate *priv = NM_SETTING_GSM_GET_PRIVATE (setting);
	GPtrArray *secrets = NULL;

	if (priv->password && *priv->password)
		return NULL;

	if (priv->username) {
		if (!(priv->password_flags & NM_SETTING_SECRET_FLAG_NOT_REQUIRED)) {
			secrets = g_ptr_array_sized_new (1);
			g_ptr_array_add (secrets, NM_SETTING_GSM_PASSWORD);
		}
	}

	return secrets;
}

static void
nm_setting_gsm_init (NMSettingGsm *setting)
{
}

static void
finalize (GObject *object)
{
	NMSettingGsmPrivate *priv = NM_SETTING_GSM_GET_PRIVATE (object);

	g_free (priv->number);
	g_free (priv->username);
	g_free (priv->password);
	g_free (priv->apn);
	g_free (priv->network_id);
	g_free (priv->pin);

	G_OBJECT_CLASS (nm_setting_gsm_parent_class)->finalize (object);
}

static void
set_property (GObject *object, guint prop_id,
              const GValue *value, GParamSpec *pspec)
{
	NMSettingGsmPrivate *priv = NM_SETTING_GSM_GET_PRIVATE (object);
	char *tmp;

	switch (prop_id) {
	case PROP_NUMBER:
		g_free (priv->number);
		priv->number = g_value_dup_string (value);
		break;
	case PROP_USERNAME:
		g_free (priv->username);
		priv->username = g_value_dup_string (value);
		break;
	case PROP_PASSWORD:
		g_free (priv->password);
		priv->password = g_value_dup_string (value);
		break;
	case PROP_PASSWORD_FLAGS:
		priv->password_flags = g_value_get_uint (value);
		break;
	case PROP_APN:
		g_free (priv->apn);
		priv->apn = NULL;
		tmp = g_value_dup_string (value);
		if (tmp)
			priv->apn = g_strstrip (tmp);
		break;
	case PROP_NETWORK_ID:
		g_free (priv->network_id);
		priv->network_id = NULL;
		tmp = g_value_dup_string (value);
		if (tmp)
			priv->network_id = g_strstrip (tmp);
		break;
	case PROP_NETWORK_TYPE:
		priv->network_type = g_value_get_int (value);
		break;
	case PROP_ALLOWED_BANDS:
		priv->allowed_bands = g_value_get_uint (value);
		break;
	case PROP_PIN:
		g_free (priv->pin);
		priv->pin = g_value_dup_string (value);
		break;
	case PROP_PIN_FLAGS:
		priv->pin_flags = g_value_get_uint (value);
		break;
	case PROP_HOME_ONLY:
		priv->home_only = g_value_get_boolean (value);
		break;
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
		break;
	}
}

static void
get_property (GObject *object, guint prop_id,
              GValue *value, GParamSpec *pspec)
{
	NMSettingGsm *setting = NM_SETTING_GSM (object);

	switch (prop_id) {
	case PROP_NUMBER:
		g_value_set_string (value, nm_setting_gsm_get_number (setting));
		break;
	case PROP_USERNAME:
		g_value_set_string (value, nm_setting_gsm_get_username (setting));
		break;
	case PROP_PASSWORD:
		g_value_set_string (value, nm_setting_gsm_get_password (setting));
		break;
	case PROP_PASSWORD_FLAGS:
		g_value_set_uint (value, nm_setting_gsm_get_password_flags (setting));
		break;
	case PROP_APN:
		g_value_set_string (value, nm_setting_gsm_get_apn (setting));
		break;
	case PROP_NETWORK_ID:
		g_value_set_string (value, nm_setting_gsm_get_network_id (setting));
		break;
	case PROP_NETWORK_TYPE:
		g_value_set_int (value, NM_SETTING_GSM_GET_PRIVATE (setting)->network_type);
		break;
	case PROP_ALLOWED_BANDS:
		g_value_set_uint (value, NM_SETTING_GSM_GET_PRIVATE (setting)->allowed_bands);
		break;
	case PROP_PIN:
		g_value_set_string (value, nm_setting_gsm_get_pin (setting));
		break;
	case PROP_PIN_FLAGS:
		g_value_set_uint (value, nm_setting_gsm_get_pin_flags (setting));
		break;
	case PROP_HOME_ONLY:
		g_value_set_boolean (value, nm_setting_gsm_get_home_only (setting));
		break;
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
		break;
	}
}

static void
nm_setting_gsm_class_init (NMSettingGsmClass *setting_class)
{
	GObjectClass *object_class = G_OBJECT_CLASS (setting_class);
	NMSettingClass *parent_class = NM_SETTING_CLASS (setting_class);

	g_type_class_add_private (setting_class, sizeof (NMSettingGsmPrivate));

	/* virtual methods */
	object_class->set_property = set_property;
	object_class->get_property = get_property;
	object_class->finalize     = finalize;
	parent_class->verify       = verify;
	parent_class->need_secrets = need_secrets;

	/* Properties */

	/**
	 * NMSettingGsm:number:
	 *
	 * Number to dial when establishing a PPP data session with the GSM-based
	 * mobile broadband network.  Many modems do not require PPP for connections
	 * to the mobile network and thus this property should be left blank, which
	 * allows NetworkManager to select the appropriate settings automatically.
	 **/
	g_object_class_install_property
		(object_class, PROP_NUMBER,
		 g_param_spec_string (NM_SETTING_GSM_NUMBER, "", "",
		                      NULL,
		                      G_PARAM_READWRITE |
		                      G_PARAM_STATIC_STRINGS));

	/**
	 * NMSettingGsm:username:
	 *
	 * The username used to authenticate with the network, if required.  Many
	 * providers do not require a username, or accept any username.  But if a
	 * username is required, it is specified here.
	 **/
	g_object_class_install_property
		(object_class, PROP_USERNAME,
		 g_param_spec_string (NM_SETTING_GSM_USERNAME, "", "",
		                      NULL,
		                      G_PARAM_READWRITE |
		                      G_PARAM_STATIC_STRINGS));

	/**
	 * NMSettingGsm:password:
	 *
	 * The password used to authenticate with the network, if required.  Many
	 * providers do not require a password, or accept any password.  But if a
	 * password is required, it is specified here.
	 **/
	g_object_class_install_property
		(object_class, PROP_PASSWORD,
		 g_param_spec_string (NM_SETTING_GSM_PASSWORD, "", "",
		                      NULL,
		                      G_PARAM_READWRITE |
		                      NM_SETTING_PARAM_SECRET |
		                      G_PARAM_STATIC_STRINGS));

	/**
	 * NMSettingGsm:password-flags:
	 *
	 * Flags indicating how to handle the #NMSettingGsm:password property.
	 **/
	g_object_class_install_property
		(object_class, PROP_PASSWORD_FLAGS,
		 g_param_spec_uint (NM_SETTING_GSM_PASSWORD_FLAGS, "", "",
		                    NM_SETTING_SECRET_FLAG_NONE,
		                    NM_SETTING_SECRET_FLAGS_ALL,
		                    NM_SETTING_SECRET_FLAG_NONE,
		                    G_PARAM_READWRITE |
		                    G_PARAM_STATIC_STRINGS));

	/**
	 * NMSettingGsm:apn:
	 *
	 * The GPRS Access Point Name specifying the APN used when establishing a
	 * data session with the GSM-based network.  The APN often determines how
	 * the user will be billed for their network usage and whether the user has
	 * access to the Internet or just a provider-specific walled-garden, so it
	 * is important to use the correct APN for the user's mobile broadband plan.
	 * The APN may only be composed of the characters a-z, 0-9, ., and - per GSM
	 * 03.60 Section 14.9.
	 **/
	g_object_class_install_property
		(object_class, PROP_APN,
		 g_param_spec_string (NM_SETTING_GSM_APN, "", "",
		                      NULL,
		                      G_PARAM_READWRITE |
		                      G_PARAM_STATIC_STRINGS));

	/**
	 * NMSettingGsm:network-id:
	 *
	 * The Network ID (GSM LAI format, ie MCC-MNC) to force specific network
	 * registration.  If the Network ID is specified, NetworkManager will
	 * attempt to force the device to register only on the specified network.
	 * This can be used to ensure that the device does not roam when direct
	 * roaming control of the device is not otherwise possible.
	 **/
	g_object_class_install_property
		(object_class, PROP_NETWORK_ID,
		 g_param_spec_string (NM_SETTING_GSM_NETWORK_ID, "", "",
		                      NULL,
		                      G_PARAM_READWRITE |
		                      G_PARAM_STATIC_STRINGS));

	/**
	 * NMSettingGsm:network-type:
	 *
	 * Network preference to force the device to only use specific network
	 * technologies. The permitted values are %NM_SETTING_GSM_NETWORK_TYPE_ANY,
	 * %NM_SETTING_GSM_NETWORK_TYPE_UMTS_HSPA,
	 * %NM_SETTING_GSM_NETWORK_TYPE_GPRS_EDGE,
	 * %NM_SETTING_GSM_NETWORK_TYPE_PREFER_UMTS_HSPA,
	 * %NM_SETTING_GSM_NETWORK_TYPE_PREFER_GPRS_EDGE,
	 * %NM_SETTING_GSM_NETWORK_TYPE_PREFER_4G, and
	 * %NM_SETTING_GSM_NETWORK_TYPE_4G.  Note that not all devices allow network
	 * preference control.
	 *
	 * Deprecated: 0.9.10: No longer used. Network type setting should be done
	 * by talking to ModemManager directly.
	 **/
	g_object_class_install_property
		(object_class, PROP_NETWORK_TYPE,
		 g_param_spec_int (NM_SETTING_GSM_NETWORK_TYPE, "", "",
		                   NM_SETTING_GSM_NETWORK_TYPE_ANY,
		                   NM_SETTING_GSM_NETWORK_TYPE_4G,
		                   NM_SETTING_GSM_NETWORK_TYPE_ANY,
		                   G_PARAM_READWRITE |
		                   G_PARAM_CONSTRUCT |
		                   G_PARAM_STATIC_STRINGS));

	/**
	 * NMSettingGsm:allowed-bands:
	 *
	 * Bitfield of allowed frequency bands.  Note that not all devices allow
	 * frequency band control.  Permitted values are those specified by
	 * #NMSettingGsmNetworkBand.
	 *
	 * Deprecated: 0.9.10: No longer used. Band setting should be done by
	 * talking to ModemManager directly.
	 **/
	g_object_class_install_property
		(object_class, PROP_ALLOWED_BANDS,
		 g_param_spec_uint (NM_SETTING_GSM_ALLOWED_BANDS, "", "",
		                    NM_SETTING_GSM_BAND_UNKNOWN,
		                    NM_SETTING_GSM_BANDS_MAX,
		                    NM_SETTING_GSM_BAND_ANY,
		                    G_PARAM_READWRITE |
		                    G_PARAM_CONSTRUCT |
		                    G_PARAM_STATIC_STRINGS));

	/**
	 * NMSettingGsm:pin:
	 *
	 * If the SIM is locked with a PIN it must be unlocked before any other
	 * operations are requested.  Specify the PIN here to allow operation of the
	 * device.
	 **/
	g_object_class_install_property
		(object_class, PROP_PIN,
		 g_param_spec_string (NM_SETTING_GSM_PIN, "", "",
		                      NULL,
		                      G_PARAM_READWRITE |
		                      NM_SETTING_PARAM_SECRET |
		                      G_PARAM_STATIC_STRINGS));

	/**
	 * NMSettingGsm:pin-flags:
	 *
	 * Flags indicating how to handle the #NMSettingGsm:pin property.
	 **/
	g_object_class_install_property
		(object_class, PROP_PIN_FLAGS,
		 g_param_spec_uint (NM_SETTING_GSM_PIN_FLAGS, "", "",
		                    NM_SETTING_SECRET_FLAG_NONE,
		                    NM_SETTING_SECRET_FLAGS_ALL,
		                    NM_SETTING_SECRET_FLAG_NONE,
		                    G_PARAM_READWRITE |
		                    G_PARAM_STATIC_STRINGS));

	/**
	 * NMSettingGsm:home-only:
	 *
	 * When %TRUE, only connections to the home network will be allowed.
	 * Connections to roaming networks will not be made.
	 **/
	g_object_class_install_property
		(object_class, PROP_HOME_ONLY,
		 g_param_spec_boolean (NM_SETTING_GSM_HOME_ONLY, "", "",
		                       FALSE,
		                       G_PARAM_READWRITE |
		                       G_PARAM_STATIC_STRINGS));
}