--- /dev/null
+/*
+ * WPA Supplicant / dbus-based control interface (WPS)
+ * Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
+ * Copyright (c) 2009, Witold Sowa <witold.sowa@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "../config.h"
+#include "../wpa_supplicant_i.h"
+#include "../wps_supplicant.h"
+#include "dbus_new_helpers.h"
+#include "dbus_new.h"
+#include "dbus_new_handlers.h"
+#include "dbus_dict_helpers.h"
+
+
+struct wps_start_params {
+ int role; /* 0 - not set, 1 - enrollee, 2 - registrar */
+ int type; /* 0 - not set, 1 - pin, 2 - pbc */
+ u8 *bssid;
+ char *pin;
+};
+
+
+static int wpas_dbus_handler_wps_role(DBusMessage *message,
+ DBusMessageIter *entry_iter,
+ struct wps_start_params *params,
+ DBusMessage **reply)
+{
+ DBusMessageIter variant_iter;
+ char *val;
+
+ dbus_message_iter_recurse(entry_iter, &variant_iter);
+ if (dbus_message_iter_get_arg_type(&variant_iter) !=
+ DBUS_TYPE_STRING) {
+ wpa_printf(MSG_DEBUG, "dbus: WPS.Start - Wrong Role type, "
+ "string required");
+ *reply = wpas_dbus_error_invalid_args(message,
+ "Role must be a string");
+ return -1;
+ }
+ dbus_message_iter_get_basic(&variant_iter, &val);
+ if (os_strcmp(val, "enrollee") == 0)
+ params->role = 1;
+ else if (os_strcmp(val, "registrar") == 0)
+ params->role = 2;
+ else {
+ wpa_printf(MSG_DEBUG, "dbus: WPS.Start - Uknown role %s", val);
+ *reply = wpas_dbus_error_invalid_args(message, val);
+ return -1;
+ }
+ return 0;
+}
+
+
+static int wpas_dbus_handler_wps_type(DBusMessage *message,
+ DBusMessageIter *entry_iter,
+ struct wps_start_params *params,
+ DBusMessage **reply)
+{
+ DBusMessageIter variant_iter;
+ char *val;
+
+ dbus_message_iter_recurse(entry_iter, &variant_iter);
+ if (dbus_message_iter_get_arg_type(&variant_iter) !=
+ DBUS_TYPE_STRING) {
+ wpa_printf(MSG_DEBUG, "dbus: WPS.Start - Wrong Type type, "
+ "string required");
+ *reply = wpas_dbus_error_invalid_args(message,
+ "Type must be a string");
+ return -1;
+ }
+ dbus_message_iter_get_basic(&variant_iter, &val);
+ if (os_strcmp(val, "pin") == 0)
+ params->type = 1;
+ else if (os_strcmp(val, "pbc") == 0)
+ params->type = 2;
+ else {
+ wpa_printf(MSG_DEBUG, "dbus: WPS.Start - Unknown type %s",
+ val);
+ *reply = wpas_dbus_error_invalid_args(message, val);
+ return -1;
+ }
+ return 0;
+}
+
+
+static int wpas_dbus_handler_wps_bssid(DBusMessage *message,
+ DBusMessageIter *entry_iter,
+ struct wps_start_params *params,
+ DBusMessage **reply)
+{
+ DBusMessageIter variant_iter, array_iter;
+ int len;
+
+ dbus_message_iter_recurse(entry_iter, &variant_iter);
+ if (dbus_message_iter_get_arg_type(&variant_iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&variant_iter) !=
+ DBUS_TYPE_ARRAY) {
+ wpa_printf(MSG_DEBUG, "dbus: WPS.Start - Wrong Bssid type, "
+ "byte array required");
+ *reply = wpas_dbus_error_invalid_args(
+ message, "Bssid must be a byte array");
+ return -1;
+ }
+ dbus_message_iter_recurse(&variant_iter, &array_iter);
+ dbus_message_iter_get_fixed_array(&array_iter, ¶ms->bssid, &len);
+ if (len != ETH_ALEN) {
+ wpa_printf(MSG_DEBUG, "dbus: WPS.Stsrt - Wrong Bssid length "
+ "%d", len);
+ *reply = wpas_dbus_error_invalid_args(message,
+ "Bssid is wrong length");
+ return -1;
+ }
+ return 0;
+}
+
+
+static int wpas_dbus_handler_wps_pin(DBusMessage *message,
+ DBusMessageIter *entry_iter,
+ struct wps_start_params *params,
+ DBusMessage **reply)
+{
+ DBusMessageIter variant_iter;
+
+ dbus_message_iter_recurse(entry_iter, &variant_iter);
+ if (dbus_message_iter_get_arg_type(&variant_iter) !=
+ DBUS_TYPE_STRING) {
+ wpa_printf(MSG_DEBUG, "dbus: WPS.Start - Wrong Pin type, "
+ "string required");
+ *reply = wpas_dbus_error_invalid_args(message,
+ "Pin must be a string");
+ return -1;
+ }
+ dbus_message_iter_get_basic(&variant_iter, ¶ms->pin);
+ return 0;
+}
+
+
+static int wpas_dbus_handler_wps_start_entry(DBusMessage *message, char *key,
+ DBusMessageIter *entry_iter,
+ struct wps_start_params *params,
+ DBusMessage **reply)
+{
+ if (os_strcmp(key, "Role") == 0)
+ return wpas_dbus_handler_wps_role(message, entry_iter,
+ params, reply);
+ else if (os_strcmp(key, "Type") == 0)
+ return wpas_dbus_handler_wps_type(message, entry_iter,
+ params, reply);
+ else if (os_strcmp(key, "Bssid") == 0)
+ return wpas_dbus_handler_wps_bssid(message, entry_iter,
+ params, reply);
+ else if (os_strcmp(key, "Pin") == 0)
+ return wpas_dbus_handler_wps_pin(message, entry_iter,
+ params, reply);
+
+ wpa_printf(MSG_DEBUG, "dbus: WPS.Start - unknown key %s", key);
+ *reply = wpas_dbus_error_invalid_args(message, key);
+ return -1;
+}
+
+
+/**
+ * wpas_dbus_handler_wps_start - Start WPS configuration
+ * @message: Pointer to incoming dbus message
+ * @wpa_s: %wpa_supplicant data structure
+ * Returns: DBus message dictionary on success or DBus error on failure
+ *
+ * Handler for "Start" method call. DBus dictionary argument contains
+ * information about role (enrollee or registrar), authorization method
+ * (pin or push button) and optionally pin and bssid. Returned message
+ * has a dictionary argument which may contain newly generated pin (optional).
+ */
+DBusMessage * wpas_dbus_handler_wps_start(DBusMessage *message,
+ struct wpa_supplicant *wpa_s)
+{
+ DBusMessage *reply = NULL;
+ DBusMessageIter iter, dict_iter, entry_iter;
+ struct wps_start_params params;
+ char *key;
+ char npin[9] = { '\0' };
+ int ret;
+
+ os_memset(¶ms, 0, sizeof(params));
+ dbus_message_iter_init(message, &iter);
+
+ dbus_message_iter_recurse(&iter, &dict_iter);
+ while (dbus_message_iter_get_arg_type(&dict_iter) ==
+ DBUS_TYPE_DICT_ENTRY) {
+ dbus_message_iter_recurse(&dict_iter, &entry_iter);
+
+ dbus_message_iter_get_basic(&entry_iter, &key);
+ dbus_message_iter_next(&entry_iter);
+
+ if (wpas_dbus_handler_wps_start_entry(message, key,
+ &entry_iter,
+ ¶ms, &reply))
+ return reply;
+
+ dbus_message_iter_next(&dict_iter);
+ }
+
+ if (params.role == 0) {
+ wpa_printf(MSG_DEBUG, "dbus: WPS.Start - Role not specified");
+ return wpas_dbus_error_invalid_args(message,
+ "Role not specified");
+ } else if (params.role == 1 && params.type == 0) {
+ wpa_printf(MSG_DEBUG, "dbus: WPS.Start - Type not specified");
+ return wpas_dbus_error_invalid_args(message,
+ "Type not specified");
+ } else if (params.role == 2 && params.pin == NULL) {
+ wpa_printf(MSG_DEBUG, "dbus: WPS.Start - Pin required for "
+ "registrar role");
+ return wpas_dbus_error_invalid_args(
+ message, "Pin required for registrar role.");
+ }
+
+ if (params.role == 2)
+ ret = wpas_wps_start_reg(wpa_s, params.bssid, params.pin,
+ NULL);
+ else if (params.type == 1) {
+ ret = wpas_wps_start_pin(wpa_s, params.bssid, params.pin, 0,
+ DEV_PW_DEFAULT);
+ if (ret > 0)
+ os_snprintf(npin, sizeof(npin), "%08d", ret);
+ } else
+ ret = wpas_wps_start_pbc(wpa_s, params.bssid, 0);
+
+ if (ret < 0) {
+ wpa_printf(MSG_DEBUG, "dbus: WPS.Start wpas_wps_failed in "
+ "role %s and key %s",
+ (params.role == 1 ? "enrollee" : "registrar"),
+ (params.type == 0 ? "" :
+ (params.type == 1 ? "pin" : "pbc")));
+ return wpas_dbus_error_unknown_error(message,
+ "WPS start failed");
+ }
+
+ reply = dbus_message_new_method_return(message);
+ if (!reply) {
+ return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
+ NULL);
+ }
+
+ dbus_message_iter_init_append(reply, &iter);
+ if (!wpa_dbus_dict_open_write(&iter, &dict_iter)) {
+ dbus_message_unref(reply);
+ return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
+ NULL);
+ }
+
+ if (os_strlen(npin) > 0) {
+ if (!wpa_dbus_dict_append_string(&dict_iter, "Pin", npin)) {
+ dbus_message_unref(reply);
+ return dbus_message_new_error(message,
+ DBUS_ERROR_NO_MEMORY,
+ NULL);
+ }
+ }
+
+ if (!wpa_dbus_dict_close_write(&iter, &dict_iter)) {
+ dbus_message_unref(reply);
+ return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
+ NULL);
+ }
+
+ return reply;
+}
+
+
+/**
+ * wpas_dbus_getter_process_credentials - Check if credentials are processed
+ * @message: Pointer to incoming dbus message
+ * @wpa_s: %wpa_supplicant data structure
+ * Returns: DBus message with a boolean on success or DBus error on failure
+ *
+ * Getter for "ProcessCredentials" property. Returns returned boolean will be
+ * true if wps_cred_processing configuration field is not equal to 1 or false
+ * if otherwise.
+ */
+DBusMessage * wpas_dbus_getter_process_credentials(
+ DBusMessage *message, struct wpa_supplicant *wpa_s)
+{
+ dbus_bool_t process = (wpa_s->conf->wps_cred_processing != 1);
+ return wpas_dbus_simple_property_getter(message, DBUS_TYPE_BOOLEAN,
+ &process);
+}
+
+
+/**
+ * wpas_dbus_setter_process_credentials - Set credentials_processed conf param
+ * @message: Pointer to incoming dbus message
+ * @wpa_s: %wpa_supplicant data structure
+ * Returns: NULL on success or DBus error on failure
+ *
+ * Setter for "ProcessCredentials" property. Sets credentials_processed on 2
+ * if boolean argument is true or on 1 if otherwise.
+ */
+DBusMessage * wpas_dbus_setter_process_credentials(
+ DBusMessage *message, struct wpa_supplicant *wpa_s)
+{
+ DBusMessage *reply = NULL;
+ dbus_bool_t process_credentials, old_pc;
+
+ reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_BOOLEAN,
+ &process_credentials);
+ if (reply)
+ return reply;
+
+ old_pc = (wpa_s->conf->wps_cred_processing != 1);
+ wpa_s->conf->wps_cred_processing = (process_credentials ? 2 : 1);
+
+ if ((wpa_s->conf->wps_cred_processing != 1) != old_pc)
+ wpa_dbus_mark_property_changed(wpa_s->global->dbus,
+ wpa_s->dbus_new_path,
+ WPAS_DBUS_NEW_IFACE_WPS,
+ "ProcessCredentials");
+
+ return NULL;
+}