diff options
Diffstat (limited to 'wpa_supplicant/binder/supplicant.cpp')
| -rw-r--r-- | wpa_supplicant/binder/supplicant.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/wpa_supplicant/binder/supplicant.cpp b/wpa_supplicant/binder/supplicant.cpp new file mode 100644 index 0000000000000..76569b1471fbb --- /dev/null +++ b/wpa_supplicant/binder/supplicant.cpp @@ -0,0 +1,127 @@ +/* + * binder interface for wpa_supplicant daemon + * Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi> + * Copyright (c) 2004-2016, Roshan Pius <rpius@google.com> + * + * This software may be distributed under the terms of the BSD license. + * See README for more details. + */ + +#include "supplicant.h" +#include "binder_manager.h" + +namespace wpa_supplicant_binder { + +Supplicant::Supplicant(struct wpa_global *global) : wpa_global_(global) {} + +android::binder::Status Supplicant::CreateInterface( + const android::os::PersistableBundle ¶ms, + android::sp<fi::w1::wpa_supplicant::IIface> *aidl_return) +{ + android::String16 driver, ifname, confname, bridge_ifname; + + /* Check if required Ifname argument is missing */ + if (!params.getString(android::String16("Ifname"), &ifname)) + return android::binder::Status::fromServiceSpecificError( + ERROR_INVALID_ARGS, + android::String8("Ifname missing in params.")); + /* Retrieve the remaining params from the dictionary */ + params.getString(android::String16("Driver"), &driver); + params.getString(android::String16("ConfigFile"), &confname); + params.getString(android::String16("BridgeIfname"), &bridge_ifname); + + /* + * Try to get the wpa_supplicant record for this iface, return + * an error if we already control it. + */ + if (wpa_supplicant_get_iface( + wpa_global_, android::String8(ifname).string()) != NULL) + return android::binder::Status::fromServiceSpecificError( + ERROR_IFACE_EXISTS, + android::String8("wpa_supplicant already controls this " + "interface.")); + + android::binder::Status status; + struct wpa_supplicant *wpa_s = NULL; + struct wpa_interface iface; + + os_memset(&iface, 0, sizeof(iface)); + iface.driver = os_strdup(android::String8(driver).string()); + iface.ifname = os_strdup(android::String8(ifname).string()); + iface.confname = os_strdup(android::String8(confname).string()); + iface.bridge_ifname = + os_strdup(android::String8(bridge_ifname).string()); + /* Otherwise, have wpa_supplicant attach to it. */ + wpa_s = wpa_supplicant_add_iface(wpa_global_, &iface, NULL); + /* The supplicant core creates a corresponding binder object via + * BinderManager when |wpa_supplicant_add_iface| is called. */ + if (!wpa_s || !wpa_s->binder_object_key) { + status = android::binder::Status::fromServiceSpecificError( + ERROR_UNKNOWN, + android::String8( + "wpa_supplicant couldn't grab this interface.")); + } else { + BinderManager *binder_manager = BinderManager::getInstance(); + + if (!binder_manager || + binder_manager->getIfaceBinderObjectByKey( + wpa_s->binder_object_key, aidl_return)) + status = + android::binder::Status::fromServiceSpecificError( + ERROR_UNKNOWN, + android::String8("wpa_supplicant encountered a " + "binder error.")); + else + status = android::binder::Status::ok(); + } + os_free((void *)iface.driver); + os_free((void *)iface.ifname); + os_free((void *)iface.confname); + os_free((void *)iface.bridge_ifname); + return status; +} + +android::binder::Status Supplicant::RemoveInterface(const std::string &ifname) +{ + struct wpa_supplicant *wpa_s; + + wpa_s = wpa_supplicant_get_iface(wpa_global_, ifname.c_str()); + if (!wpa_s || !wpa_s->binder_object_key) + return android::binder::Status::fromServiceSpecificError( + ERROR_IFACE_UNKNOWN, + android::String8("wpa_supplicant does not control this " + "interface.")); + if (wpa_supplicant_remove_iface(wpa_global_, wpa_s, 0)) + return android::binder::Status::fromServiceSpecificError( + ERROR_UNKNOWN, + android::String8( + "wpa_supplicant couldn't remove this interface.")); + return android::binder::Status::ok(); +} + +android::binder::Status Supplicant::GetInterface( + const std::string &ifname, + android::sp<fi::w1::wpa_supplicant::IIface> *aidl_return) +{ + struct wpa_supplicant *wpa_s; + + wpa_s = wpa_supplicant_get_iface(wpa_global_, ifname.c_str()); + if (!wpa_s || !wpa_s->binder_object_key) + return android::binder::Status::fromServiceSpecificError( + ERROR_IFACE_UNKNOWN, + android::String8( + "wpa_supplicant does not control this interface.")); + + BinderManager *binder_manager = BinderManager::getInstance(); + if (!binder_manager || + binder_manager->getIfaceBinderObjectByKey( + wpa_s->binder_object_key, aidl_return)) + return android::binder::Status::fromServiceSpecificError( + ERROR_UNKNOWN, + android::String8( + "wpa_supplicant encountered a binder error.")); + + return android::binder::Status::ok(); +} + +} /* namespace wpa_supplicant_binder */ |