diff options
Diffstat (limited to 'netwerk/wifi/dbus/DbusWifiScanner.cpp')
| -rw-r--r-- | netwerk/wifi/dbus/DbusWifiScanner.cpp | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/netwerk/wifi/dbus/DbusWifiScanner.cpp b/netwerk/wifi/dbus/DbusWifiScanner.cpp new file mode 100644 index 0000000000..43a6cc49dc --- /dev/null +++ b/netwerk/wifi/dbus/DbusWifiScanner.cpp @@ -0,0 +1,161 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include <gio/gio.h> +#include "DbusWifiScanner.h" +#include "nsWifiAccessPoint.h" +#include "mozilla/GUniquePtr.h" +#include "mozilla/RefPtr.h" +#include "mozilla/GRefPtr.h" + +namespace mozilla { + +WifiScannerImpl::WifiScannerImpl() { MOZ_COUNT_CTOR(WifiScannerImpl); } + +WifiScannerImpl::~WifiScannerImpl() { MOZ_COUNT_DTOR(WifiScannerImpl); } + +nsresult WifiScannerImpl::GetAccessPointsFromWLAN( + AccessPointArray& aAccessPoints) { + RefPtr<GDBusProxy> proxy = dont_AddRef(g_dbus_proxy_new_for_bus_sync( + G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, nullptr, + "org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager", + "org.freedesktop.NetworkManager", nullptr, nullptr)); + if (!proxy) { + return NS_ERROR_FAILURE; + } + + RefPtr<GVariant> result = + dont_AddRef(g_dbus_proxy_get_cached_property(proxy, "Devices")); + if (!result || + !g_variant_is_of_type(result, G_VARIANT_TYPE_OBJECT_PATH_ARRAY)) { + return NS_ERROR_FAILURE; + } + + gsize num = g_variant_n_children(result); + for (gsize i = 0; i < num; i++) { + const char* devicePath = + g_variant_get_string(g_variant_get_child_value(result, i), nullptr); + if (!devicePath || !AddDevice(devicePath, aAccessPoints)) { + return NS_ERROR_FAILURE; + } + } + + return NS_OK; +} + +bool WifiScannerImpl::AddDevice(const char* aDevicePath, + AccessPointArray& aAccessPoints) { + RefPtr<GDBusProxy> proxy = dont_AddRef(g_dbus_proxy_new_for_bus_sync( + G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, nullptr, + "org.freedesktop.NetworkManager", aDevicePath, + "org.freedesktop.NetworkManager.Device", nullptr, nullptr)); + if (!proxy) { + return false; + } + + RefPtr<GVariant> deviceType = + dont_AddRef(g_dbus_proxy_get_cached_property(proxy, "DeviceType")); + if (!deviceType || !g_variant_is_of_type(deviceType, G_VARIANT_TYPE_UINT32)) { + return false; + } + + // http://projects.gnome.org/NetworkManager/developers/api/07/spec-07.html + // Refer to NM_DEVICE_TYPE_WIFI under NM_DEVICE_TYPE. + const uint32_t NM_DEVICE_TYPE_WIFI = 2; + if (g_variant_get_uint32(deviceType) != NM_DEVICE_TYPE_WIFI) { + // Don't probe non-wifi devices + return true; + } + + proxy = dont_AddRef(g_dbus_proxy_new_for_bus_sync( + G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, nullptr, + "org.freedesktop.NetworkManager", aDevicePath, + "org.freedesktop.NetworkManager.Device.Wireless", nullptr, nullptr)); + if (!proxy) { + return false; + } + + RefPtr<GVariant> points = + dont_AddRef(g_dbus_proxy_get_cached_property(proxy, "AccessPoints")); + if (!points || + !g_variant_is_of_type(points, G_VARIANT_TYPE_OBJECT_PATH_ARRAY)) { + return false; + } + + gsize num = g_variant_n_children(points); + for (gsize i = 0; i < num; i++) { + const char* ap = + g_variant_get_string(g_variant_get_child_value(points, i), nullptr); + if (!ap || !AddAPProperties(ap, aAccessPoints)) { + return false; + } + } + return true; +} + +bool WifiScannerImpl::AddAPProperties(const char* aApPath, + AccessPointArray& aAccessPoints) { + RefPtr<GDBusProxy> proxy = dont_AddRef(g_dbus_proxy_new_for_bus_sync( + G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, nullptr, + "org.freedesktop.NetworkManager", aApPath, + "org.freedesktop.NetworkManager.AccessPoint", nullptr, nullptr)); + if (!proxy) { + return false; + } + + RefPtr<nsWifiAccessPoint> ap = new nsWifiAccessPoint(); + + RefPtr<GVariant> ssid = + dont_AddRef(g_dbus_proxy_get_cached_property(proxy, "Ssid")); + if (!ssid || !g_variant_is_of_type(ssid, G_VARIANT_TYPE_BYTESTRING)) { + return false; + } + const uint32_t MAX_SSID_LEN = 32; + gsize len = 0; + const char* ssidString = static_cast<const char*>( + g_variant_get_fixed_array(ssid, &len, sizeof(guint8))); + if (ssidString && len && len <= MAX_SSID_LEN) { + ap->setSSID(ssidString, len); + } + + RefPtr<GVariant> hwAddress = + dont_AddRef(g_dbus_proxy_get_cached_property(proxy, "HwAddress")); + if (!hwAddress || !g_variant_is_of_type(hwAddress, G_VARIANT_TYPE_STRING)) { + return false; + } + GUniquePtr<gchar> address(g_variant_dup_string(hwAddress, nullptr)); + SetMac(address.get(), ap); + + RefPtr<GVariant> st = + dont_AddRef(g_dbus_proxy_get_cached_property(proxy, "Strength")); + if (!st || !g_variant_is_of_type(st, G_VARIANT_TYPE_BYTE)) { + return false; + } + + uint8_t strength = g_variant_get_byte(st); // in % + int signal_strength = (strength / 2) - 100; // strength to dB + ap->setSignal(signal_strength); + + aAccessPoints.AppendElement(ap); + return true; +} + +bool WifiScannerImpl::SetMac(char* aHwAddress, nsWifiAccessPoint* aAp) { + // hwAddress format is XX:XX:XX:XX:XX:XX. Need to convert to XXXXXX format. + const uint32_t MAC_LEN = 6; + uint8_t macAddress[MAC_LEN]; + char* savedPtr = nullptr; + char* token = strtok_r(aHwAddress, ":", &savedPtr); + for (unsigned char& macAddres : macAddress) { + if (!token) { + return false; + } + macAddres = strtoul(token, nullptr, 16); + token = strtok_r(nullptr, ":", &savedPtr); + } + aAp->setMac(macAddress); + return true; +} + +} // namespace mozilla |