commit 71e4badbe2bb746efcf47a27031817f93b441531 Author: n8fr8 <nathan@guardianproject.info> Date: Wed Feb 5 10:50:31 2020 -0500 clean-up how kill process works; only try additional attempts if needed --- .../torproject/android/service/vpn/VpnUtils.java | 58 +++++++++++++++------- 1 file changed, 39 insertions(+), 19 deletions(-) diff --git a/orbotservice/src/main/java/org/torproject/android/service/vpn/VpnUtils.java b/orbotservice/src/main/java/org/torproject/android/service/vpn/VpnUtils.java index 4ac71410..3be8fe4a 100644 --- a/orbotservice/src/main/java/org/torproject/android/service/vpn/VpnUtils.java +++ b/orbotservice/src/main/java/org/torproject/android/service/vpn/VpnUtils.java @@ -68,28 +68,43 @@ public class VpnUtils { while ((procId = findProcessId(fileProcBin.getName())) != -1) { killAttempts++; String pidString = String.valueOf(procId); + boolean itBeDead = killProcess(pidString, signal); - String[] cmds = {"","busybox ","toolbox "}; + if (!itBeDead) { - for (int i = 0; i < cmds.length;i++) { - try { - getRuntime().exec(cmds[i] + "killall " + signal + " " + fileProcBin.getName - ()); - } catch (IOException ioe) { + String[] cmds = {"", "busybox ", "toolbox "}; + + for (int i = 0; i < cmds.length; i++) { + + Process proc = null; + + try { + proc = getRuntime().exec(cmds[i] + "killall " + signal + " " + fileProcBin.getName + ()); + int exitValue = proc.waitFor(); + if (exitValue == 0) + break; + + } catch (IOException ioe) { + } + try { + proc = getRuntime().exec(cmds[i] + "killall " + signal + " " + fileProcBin.getCanonicalPath()); + int exitValue = proc.waitFor(); + if (exitValue == 0) + break; + + } catch (IOException ioe) { + } } + + try { - getRuntime().exec(cmds[i] + "killall " + signal + " " + fileProcBin.getCanonicalPath()); - } catch (IOException ioe) { + Thread.sleep(1000); + } catch (InterruptedException e) { + // ignored } - } - killProcess(pidString, signal); - - try { - Thread.sleep(1000); - } catch (InterruptedException e) { - // ignored - } + } if (killAttempts > 4) throw new Exception("Cannot kill: " + fileProcBin.getAbsolutePath()); @@ -98,14 +113,14 @@ public class VpnUtils { return procId; } - public static void killProcess(String pidString, String signal) throws Exception { + public static boolean killProcess(String pidString, String signal) throws Exception { String[] cmds = {"","toolbox ","busybox "}; for (int i = 0; i < cmds.length;i++) { try { Process proc = getRuntime().exec(cmds[i] + "kill " + signal + " " + pidString); - int exitVal = proc.exitValue(); + int exitVal = proc.waitFor(); List<String> lineErrors = IOUtils.readLines(proc.getErrorStream()); List<String> lineInputs = IOUtils.readLines(proc.getInputStream()); @@ -119,6 +134,11 @@ public class VpnUtils { Log.d("Orbot.killProcess",line); } + else + { + //it worked, let's exit + return true; + } } catch (IOException ioe) { @@ -126,6 +146,6 @@ public class VpnUtils { } } - + return false; } }