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Catch NPE when getting socket input/output streams.

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Works around a bug in Android 7, fixed in 7.1.
This commit is contained in:
akwizgran
2017-09-18 15:47:12 +01:00
parent eb6561b93d
commit 27422ab9f9
6 changed files with 32 additions and 8 deletions
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5
bramble-android/src/main/java/org/briarproject/bramble/plugin/tor/TorTransportConnection.java
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@@ -3,6 +3,7 @@ package org.briarproject.bramble.plugin.tor;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.plugin.Plugin;
import org.briarproject.bramble.api.plugin.duplex.AbstractDuplexTransportConnection;
import org.briarproject.bramble.util.IoUtils;
import java.io.IOException;
import java.io.InputStream;
@@ -21,12 +22,12 @@ class TorTransportConnection extends AbstractDuplexTransportConnection {
@Override
protected InputStream getInputStream() throws IOException {
return socket.getInputStream();
return IoUtils.getInputStream(socket);
}
@Override
protected OutputStream getOutputStream() throws IOException {
return socket.getOutputStream();
return IoUtils.getOutputStream(socket);
}
@Override

21
bramble-api/src/main/java/org/briarproject/bramble/util/IoUtils.java
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@@ -8,6 +8,7 @@ import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import javax.annotation.Nullable;
@@ -59,4 +60,24 @@ public class IoUtils {
offset += read;
}
}
// Workaround for a bug in Android 7, see
// https://android-review.googlesource.com/#/c/271775/
public static InputStream getInputStream(Socket s) throws IOException {
try {
return s.getInputStream();
} catch (NullPointerException e) {
throw new IOException(e);
}
}
// Workaround for a bug in Android 7, see
// https://android-review.googlesource.com/#/c/271775/
public static OutputStream getOutputStream(Socket s) throws IOException {
try {
return s.getOutputStream();
} catch (NullPointerException e) {
throw new IOException(e);
}
}
}

5
bramble-core/src/main/java/org/briarproject/bramble/plugin/tcp/TcpTransportConnection.java
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@@ -3,6 +3,7 @@ package org.briarproject.bramble.plugin.tcp;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.plugin.Plugin;
import org.briarproject.bramble.api.plugin.duplex.AbstractDuplexTransportConnection;
import org.briarproject.bramble.util.IoUtils;
import java.io.IOException;
import java.io.InputStream;
@@ -24,12 +25,12 @@ class TcpTransportConnection extends AbstractDuplexTransportConnection {
@Override
protected InputStream getInputStream() throws IOException {
return socket.getInputStream();
return IoUtils.getInputStream(socket);
}
@Override
protected OutputStream getOutputStream() throws IOException {
return socket.getOutputStream();
return IoUtils.getOutputStream(socket);
}
@Override

3
bramble-core/src/main/java/org/briarproject/bramble/reporting/DevReportServer.java
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@@ -1,6 +1,7 @@
package org.briarproject.bramble.reporting;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.util.IoUtils;
import java.io.Closeable;
import java.io.File;
@@ -130,7 +131,7 @@ public class DevReportServer {
OutputStream out = null;
try {
socket.setSoTimeout(SOCKET_TIMEOUT_MS);
in = socket.getInputStream();
in = IoUtils.getInputStream(socket);
reportDir.mkdirs();
reportFile = File.createTempFile(FILE_PREFIX, FILE_SUFFIX,
reportDir);

2
bramble-core/src/main/java/org/briarproject/bramble/reporting/DevReporterImpl.java
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@@ -93,7 +93,7 @@ class DevReporterImpl implements DevReporter {
InputStream in = null;
try {
Socket s = connectToDevelopers();
out = s.getOutputStream();
out = IoUtils.getOutputStream(s);
in = new FileInputStream(f);
IoUtils.copyAndClose(in, out);
f.delete();

4
bramble-core/src/main/java/org/briarproject/bramble/socks/SocksSocket.java
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@@ -57,8 +57,8 @@ class SocksSocket extends Socket {
// Connect to the proxy
super.connect(proxy, connectToProxyTimeout);
OutputStream out = getOutputStream();
InputStream in = getInputStream();
OutputStream out = IoUtils.getOutputStream(this);
InputStream in = IoUtils.getInputStream(this);
// Request SOCKS 5 with no authentication
sendMethodRequest(out);