sta_iface.cpp revision 54e763ada0bed9bf2c48415e82c5f04db23a3330
1e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt/* 2e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt * binder interface for wpa_supplicant daemon 3e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt * Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi> 4e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt * Copyright (c) 2004-2016, Roshan Pius <rpius@google.com> 5e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt * 6e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt * This software may be distributed under the terms of the BSD license. 7e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt * See README for more details. 8e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt */ 9e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt 10e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt#include "iface.h" 11e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt 12e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidtnamespace wpa_supplicant_binder { 13e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt 1454e763ada0bed9bf2c48415e82c5f04db23a3330Roshan PiusIface::Iface(struct wpa_global *wpa_global, const char ifname[]) 1554e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius : wpa_global_(wpa_global), ifname_(ifname) 1654e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius{ 1754e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius} 18e4663044d3a689fb5458247e9bc0f8b58cf72fcaDmitry Shmidt 1954e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Piusandroid::binder::Status Iface::GetName(std::string *iface_name_out) 2054e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius{ 2154e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius // We could directly return the name we hold, but let's verify 2254e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius // if the underlying iface still exists. 2354e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius struct wpa_supplicant *wpa_s = retrieveIfacePtr(); 2454e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius if (!wpa_s) { 2554e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius return android::binder::Status::fromServiceSpecificError( 2654e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius ERROR_IFACE_UNKNOWN, 2754e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius "wpa_supplicant does not control this interface."); 2854e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius } 2954e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius 3054e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius *iface_name_out = ifname_; 3154e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius return android::binder::Status::ok(); 3254e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius} 3354e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius 3454e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius/** 3554e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius * Retrieve the underlying |wpa_supplicant| struct pointer for 3654e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius * this iface. 3754e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius * If the underlying iface is removed, then all RPC method calls 3854e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius * on this object will return failure. 3954e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius */ 4054e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Piuswpa_supplicant *Iface::retrieveIfacePtr() 4154e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius{ 4254e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius return wpa_supplicant_get_iface( 4354e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius (struct wpa_global *)wpa_global_, ifname_.c_str()); 4454e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius} 4554e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius 4654e763ada0bed9bf2c48415e82c5f04db23a3330Roshan Pius} // namespace wpa_supplicant_binder 47