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Diffstat (limited to 'app/src/fil/libre/repwifiapp/network/WpaCli.java')
| -rw-r--r-- | app/src/fil/libre/repwifiapp/network/WpaCli.java | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/app/src/fil/libre/repwifiapp/network/WpaCli.java b/app/src/fil/libre/repwifiapp/network/WpaCli.java new file mode 100644 index 0000000..10f6b7c --- /dev/null +++ b/app/src/fil/libre/repwifiapp/network/WpaCli.java @@ -0,0 +1,252 @@ +// +// Copyright 2017, 2018 Filippo "Fil" Bergamo <fil.bergamo@riseup.net> +// +// This file is part of RepWifiApp. +// +// RepWifiApp is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// RepWifiApp is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with RepWifiApp. If not, see <http://www.gnu.org/licenses/>. +// +// ******************************************************************** + + +package fil.libre.repwifiapp.network; + +import fil.libre.repwifiapp.helpers.Logger; +import fil.libre.repwifiapp.helpers.RootCommand; + +public abstract class WpaCli { + + private static final int SCAN_WAIT_INTERVAL = 4; + private static final String BASE_COMMAND = "wpa_cli -p" + WpaSupplicant.SOCKET_DIR + " -P" + + WpaSupplicant.PID_FILE + " -i" + WpaSupplicant.INTERFACE_NAME; + + public static String createNetworkGetId() { + + try { + + RootCommand su = new RootCommand(BASE_COMMAND + " add_network"); + if (su.execute() == 0) { + String out = su.getOutput(); + if (out == null || out.trim().equals("")) { + return null; + } else { + return out.replace("\n", ""); + } + } else { + return null; + } + + } catch (Exception e) { + Logger.logError("Error while creating network", e); + return null; + } + + } + + public static boolean setNetworkSSID(String ssid, String networkID) { + + try { + + // needs root (wpa_cli) + return executeCmd(BASE_COMMAND + " set_network " + networkID + " ssid '\"" + ssid + + "\"'"); + + } catch (Exception e) { + Logger.logError("Error while setting network SSID", e); + return false; + } + + } + + public static boolean setNetworkPSK(AccessPointInfo info, String networkID) { + + try { + + // needs root (wpa_cli) + + String cmdSetPass = null; + if (info.needsPassword()) { + cmdSetPass = BASE_COMMAND + " set_network " + networkID + " psk '\"" + + info.getPassword() + "\"'"; + } else { + cmdSetPass = BASE_COMMAND + " set_network " + networkID + " key_mgmt NONE"; + } + + return executeCmd(cmdSetPass); + + } catch (Exception e) { + Logger.logError("Error while setting network PSK", e); + return false; + } + + } + + public static boolean setNetworkScanSSID(String networkID) { + + try { + + // needs root (wpa_cli) + return executeCmd(BASE_COMMAND + " set_network " + networkID + " scan_ssid 1"); + + } catch (Exception e) { + Logger.logError("Error while setting network SSID", e); + return false; + } + } + + public static boolean selectNetwork(String networkID) { + + try { + + // needs root (wpa_cli) + return executeCmd(BASE_COMMAND + " select_network " + networkID); + + } catch (Exception e) { + Logger.logError("Error while selecting network", e); + return false; + } + + } + + public static boolean enableNetwork(String networkID) { + + try { + + // needs root (wpa_cli) + return executeCmd(BASE_COMMAND + " enable_network " + networkID); + + } catch (Exception e) { + Logger.logError("Error while enabling network", e); + return false; + } + + } + + public static boolean scanNetworks() { + + // needs root (for wpa_supplicant and wpa_cli) + return RootCommand.executeRootCmd(BASE_COMMAND + + " scan; if [ $? -ne 0 ]; then exit 1; fi; sleep " + SCAN_WAIT_INTERVAL); + + } + + public static String getScanResults() { + + try { + + RootCommand su = new RootCommand(BASE_COMMAND + + " scan_results; if [ $? -ne 0 ]; then exit 1; fi "); + if (su.execute() == 0) { + String out = su.getOutput(); + if (out == null || out.trim().equals("")) { + return null; + } else { + return out; + } + } else { + return null; + } + + } catch (Exception e) { + Logger.logError("Error while executing wpa_cli status", e); + return null; + } + + } + + /*** + * returns null if unable to determine connection status for any reason. + */ + public static ConnectionStatus getConnectionStatus() { + + Logger.logDebug("called getConnecitonStatus()"); + if (!WpaSupplicant.isRunning()) { + // wpa_supplicant is not running. + // unable to determine status. + Logger.logDebug("wpa not running, cannot get connection status."); + return null; + + } + + try { + + RootCommand su = new RootCommand(BASE_COMMAND + " status"); + if (su.execute() == 0) { + String out = su.getOutput(); + if (out == null || out.trim().equals("")) { + return null; + } else { + return ConnectionStatus.parseWpaCliOutput(out); + } + } else { + return null; + } + + } catch (Exception e) { + Logger.logError("Error while executing wpa_cli status", e); + return null; + } + + } + + public static boolean disconnect() { + + // needs root (for wpa_cli) + + if (!WpaSupplicant.isRunning()) { + return true; + } + + try { + + return executeCmd(BASE_COMMAND + " disconnect"); + + } catch (Exception e) { + Logger.logError("Error while enabling network", e); + return false; + } + } + + public static boolean terminateSupplicant() { + + if (!WpaSupplicant.isRunning()){ + return true; + } + try { + + return executeCmd(BASE_COMMAND + " terminate"); + + } catch (Exception e) { + Logger.logError("Error while enabling network", e); + return false; + } + + } + + private static boolean executeCmd(String cmdTxt) throws Exception { + + RootCommand su = new RootCommand(cmdTxt); + if (su.execute() == 0) { + String out = su.getOutput(); + if (out != null && out.trim().replace("\n", "").equals("OK")) { + return true; + } else { + return false; + } + } else { + return false; + } + + } + +} |