/** * wpas_dbus_iface_wps_pbc - Request credentials using WPS PBC method * @message: Pointer to incoming dbus message * @wpa_s: %wpa_supplicant data structure * Returns: A dbus message containing a UINT32 indicating success (1) or * failure (0) * * Handler function for "wpsPbc" method call */ DBusMessage * wpas_dbus_iface_wps_pbc(DBusMessage *message, struct wpa_supplicant *wpa_s) { char *arg_bssid = NULL; u8 bssid[ETH_ALEN]; int ret = 0; if (!dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg_bssid, DBUS_TYPE_INVALID)) return wpas_dbus_new_invalid_opts_error(message, NULL); if (!os_strcmp(arg_bssid, "any")) ret = wpas_wps_start_pbc(wpa_s, NULL, 0); else if (!hwaddr_aton(arg_bssid, bssid)) ret = wpas_wps_start_pbc(wpa_s, bssid, 0); else { return wpas_dbus_new_invalid_opts_error(message, "Invalid BSSID"); } if (ret < 0) { return dbus_message_new_error(message, WPAS_ERROR_WPS_PBC_ERROR, "Could not start PBC " "negotiation"); } return wpas_dbus_new_success_reply(message); }
static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s, char *cmd) { u8 bssid[ETH_ALEN]; if (cmd == NULL || os_strcmp(cmd, "any") == 0) return wpas_wps_start_pbc(wpa_s, NULL); if (hwaddr_aton(cmd, bssid)) { wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'", cmd); return -1; } return wpas_wps_start_pbc(wpa_s, bssid); }
/** * 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); } #ifdef CONFIG_AP if (wpa_s->ap_iface && params.type == 1) { if (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."); } ret = wpa_supplicant_ap_wps_pin(wpa_s, params.bssid, params.pin, npin, sizeof(npin), 0); } else if (wpa_s->ap_iface) { ret = wpa_supplicant_ap_wps_pbc(wpa_s, params.bssid, params.p2p_dev_addr); } else #endif /* CONFIG_AP */ 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 == 2) { if (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."); } ret = wpas_wps_start_reg(wpa_s, params.bssid, params.pin, NULL); } else if (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.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 wpas_dbus_error_no_memory(message); dbus_message_iter_init_append(reply, &iter); if (!wpa_dbus_dict_open_write(&iter, &dict_iter) || (os_strlen(npin) > 0 && !wpa_dbus_dict_append_string(&dict_iter, "Pin", npin)) || !wpa_dbus_dict_close_write(&iter, &dict_iter)) { dbus_message_unref(reply); return wpas_dbus_error_no_memory(message); } return reply; }