diff options
author | cyberta <cyberta@riseup.net> | 2019-12-30 09:05:59 -0800 |
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committer | cyberta <cyberta@riseup.net> | 2019-12-30 09:05:59 -0800 |
commit | 699a68fffe39d46f6c35a7facc1fd846c92102d2 (patch) | |
tree | 60096c9a7f44c159a4e1e37990cbc01a2398890a /app/src/main/java/se/leap/bitmaskclient/utils/Cmd.java | |
parent | b8ce7160704ce735422cc69cfa9fc646bfae7237 (diff) | |
parent | 56c542d37f3fcaaa69ec8d6ef7014a8cc6dbaa06 (diff) |
Merge branch 'rooted_firewall' into 'master'
firewall
Closes #8939
See merge request leap/bitmask_android!96
Diffstat (limited to 'app/src/main/java/se/leap/bitmaskclient/utils/Cmd.java')
-rw-r--r-- | app/src/main/java/se/leap/bitmaskclient/utils/Cmd.java | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/app/src/main/java/se/leap/bitmaskclient/utils/Cmd.java b/app/src/main/java/se/leap/bitmaskclient/utils/Cmd.java new file mode 100644 index 00000000..a72658a4 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/utils/Cmd.java @@ -0,0 +1,93 @@ +/** + * Copyright (c) 2019 LEAP Encryption Access Project and contributers + * + * This program 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. + * + * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + */ + +package se.leap.bitmaskclient.utils; + +import android.support.annotation.WorkerThread; +import android.util.Log; + +import java.io.IOException; +import java.io.InputStreamReader; +import java.io.OutputStreamWriter; + +public class Cmd { + + private static final String TAG = Cmd.class.getSimpleName(); + + @WorkerThread + public static int runBlockingCmd(String[] cmds, StringBuilder log) throws Exception { + return runCmd(cmds, log, true); + } + + @WorkerThread + private static int runCmd(String[] cmds, StringBuilder log, + boolean waitFor) throws Exception { + + int exitCode = -1; + Process proc = Runtime.getRuntime().exec("sh"); + OutputStreamWriter out = new OutputStreamWriter(proc.getOutputStream()); + + try { + for (String cmd : cmds) { + Log.d(TAG, "executing CMD: " + cmd); + out.write(cmd); + out.write("\n"); + } + + out.flush(); + out.write("exit\n"); + out.flush(); + } catch (IOException e) { + e.printStackTrace(); + } finally { + out.close(); + } + + if (waitFor) { + // Consume the "stdout" + InputStreamReader reader = new InputStreamReader(proc.getInputStream()); + readToLogString(reader, log); + + // Consume the "stderr" + reader = new InputStreamReader(proc.getErrorStream()); + readToLogString(reader, log); + + try { + exitCode = proc.waitFor(); + } catch (InterruptedException e) { + e.printStackTrace(); + } + } + + return exitCode; + } + + private static void readToLogString(InputStreamReader reader, StringBuilder log) throws IOException { + final char buf[] = new char[10]; + int read = 0; + try { + while ((read = reader.read(buf)) != -1) { + if (log != null) + log.append(buf, 0, read); + } + } catch (IOException e) { + reader.close(); + throw new IOException(e); + } + reader.close(); + } +} |