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Code Issues Releases Wiki Activity

JNI setup

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M66B 2016-01-09 12:10:11 +01:00
parent 93297fd4d0
commit fc863c033b
4 changed files with 130 additions and 23 deletions
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66
app/app.iml
View file

@ -8,15 +8,15 @@
</facet> </facet>
<facet type="android" name="Android"> <facet type="android" name="Android">
<configuration> <configuration>
<option name="SELECTED_BUILD_VARIANT" value="debug" /> <option name="SELECTED_BUILD_VARIANT" value="allDebug" />
<option name="SELECTED_TEST_ARTIFACT" value="_android_test_" /> <option name="SELECTED_TEST_ARTIFACT" value="_android_test_" />
<option name="ASSEMBLE_TASK_NAME" value="assembleDebug" /> <option name="ASSEMBLE_TASK_NAME" value="assembleAllDebug" />
<option name="COMPILE_JAVA_TASK_NAME" value="compileDebugSources" /> <option name="COMPILE_JAVA_TASK_NAME" value="compileAllDebugSources" />
<option name="ASSEMBLE_TEST_TASK_NAME" value="assembleDebugAndroidTest" /> <option name="ASSEMBLE_TEST_TASK_NAME" value="assembleAllDebugAndroidTest" />
<option name="COMPILE_JAVA_TEST_TASK_NAME" value="compileDebugAndroidTestSources" /> <option name="COMPILE_JAVA_TEST_TASK_NAME" value="compileAllDebugAndroidTestSources" />
<afterSyncTasks> <afterSyncTasks>
<task>generateDebugAndroidTestSources</task> <task>generateAllDebugAndroidTestSources</task>
<task>generateDebugSources</task> <task>generateAllDebugSources</task>
</afterSyncTasks> </afterSyncTasks>
<option name="ALLOW_USER_CONFIGURATION" value="false" /> <option name="ALLOW_USER_CONFIGURATION" value="false" />
<option name="MANIFEST_FILE_RELATIVE_PATH" value="/src/main/AndroidManifest.xml" /> <option name="MANIFEST_FILE_RELATIVE_PATH" value="/src/main/AndroidManifest.xml" />
@ -27,22 +27,43 @@
</facet> </facet>
</component> </component>
<component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="false"> <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="false">
<output url="file://$MODULE_DIR$/build/intermediates/classes/debug" /> <output url="file://$MODULE_DIR$/build/intermediates/classes/all/debug" />
<output-test url="file://$MODULE_DIR$/build/intermediates/classes/androidTest/debug" /> <output-test url="file://$MODULE_DIR$/build/intermediates/classes/androidTest/all/debug" />
<exclude-output /> <exclude-output />
<content url="file://$MODULE_DIR$"> <content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/debug" isTestSource="false" generated="true" /> <sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/all/debug" isTestSource="false" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/debug" isTestSource="false" generated="true" /> <sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/all/debug" isTestSource="false" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" /> <sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/all/debug" isTestSource="false" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/debug" isTestSource="false" generated="true" /> <sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/all/debug" isTestSource="false" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/debug" type="java-resource" /> <sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/all/debug" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/res/resValues/debug" type="java-resource" /> <sourceFolder url="file://$MODULE_DIR$/build/generated/res/resValues/all/debug" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/androidTest/debug" isTestSource="true" generated="true" /> <sourceFolder url="file://$MODULE_DIR$/src/allDebug/res" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/androidTest/debug" isTestSource="true" generated="true" /> <sourceFolder url="file://$MODULE_DIR$/src/allDebug/resources" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/androidTest/debug" isTestSource="true" generated="true" /> <sourceFolder url="file://$MODULE_DIR$/src/allDebug/assets" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/androidTest/debug" isTestSource="true" generated="true" /> <sourceFolder url="file://$MODULE_DIR$/src/allDebug/aidl" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/androidTest/debug" type="java-test-resource" /> <sourceFolder url="file://$MODULE_DIR$/src/allDebug/java" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/res/resValues/androidTest/debug" type="java-test-resource" /> <sourceFolder url="file://$MODULE_DIR$/src/allDebug/jni" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/allDebug/renderscript" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/androidTest/all/debug" isTestSource="true" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/androidTest/all/debug" isTestSource="true" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/androidTest/all/debug" isTestSource="true" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/androidTest/all/debug" isTestSource="true" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/androidTest/all/debug" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/res/resValues/androidTest/all/debug" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/all/res" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/all/resources" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/all/assets" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/all/aidl" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/all/java" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/all/jni" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/all/renderscript" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTestAll/res" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTestAll/resources" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTestAll/assets" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTestAll/aidl" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTestAll/java" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTestAll/jni" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTestAll/rs" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/debug/res" type="java-resource" /> <sourceFolder url="file://$MODULE_DIR$/src/debug/res" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/debug/resources" type="java-resource" /> <sourceFolder url="file://$MODULE_DIR$/src/debug/resources" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/debug/assets" type="java-resource" /> <sourceFolder url="file://$MODULE_DIR$/src/debug/assets" type="java-resource" />
@ -65,6 +86,7 @@
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" /> <sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/renderscript" isTestSource="true" /> <sourceFolder url="file://$MODULE_DIR$/src/androidTest/renderscript" isTestSource="true" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" /> <excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/binaries" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/blame" /> <excludeFolder url="file://$MODULE_DIR$/build/intermediates/blame" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" /> <excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" /> <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
@ -74,8 +96,8 @@
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" /> <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/jniLibs" /> <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jniLibs" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" /> <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/objectFiles" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/pre-dexed" /> <excludeFolder url="file://$MODULE_DIR$/build/intermediates/pre-dexed" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/proguard-rules" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" /> <excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" /> <excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" /> <excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />

18
app/build.gradle
View file

@ -14,12 +14,30 @@ model {
archivesBaseName = "NetGuard-v$versionName-$versionCode" archivesBaseName = "NetGuard-v$versionName-$versionCode"
} }
} }
android.ndk {
moduleName = "netguard"
toolchain = "clang"
ldLibs.add("log")
}
android.sources {
main {
jni {
source {
srcDir "src/main/jni"
}
}
}
}
android.buildTypes { android.buildTypes {
release { release {
minifyEnabled = true minifyEnabled = true
proguardFiles.add(file('proguard-rules.pro')) proguardFiles.add(file('proguard-rules.pro'))
} }
} }
android.productFlavors {
create("all") {
}
}
} }
dependencies { dependencies {

17
app/src/main/java/eu/faircode/netguard/SinkholeService.java
View file

@ -115,6 +115,14 @@ public class SinkholeService extends VpnService implements SharedPreferences.OnS
private static final String ACTION_SCREEN_OFF_DELAYED = "eu.faircode.netguard.SCREEN_OFF_DELAYED"; private static final String ACTION_SCREEN_OFF_DELAYED = "eu.faircode.netguard.SCREEN_OFF_DELAYED";
private native void jni_init();
private native void jni_decode(byte[] buffer);
static {
System.loadLibrary("netguard");
}
synchronized private static PowerManager.WakeLock getLock(Context context) { synchronized private static PowerManager.WakeLock getLock(Context context) {
if (wlInstance == null) { if (wlInstance == null) {
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
@ -675,6 +683,7 @@ public class SinkholeService extends VpnService implements SharedPreferences.OnS
ByteBuffer buffer = ByteBuffer.allocate(32767); ByteBuffer buffer = ByteBuffer.allocate(32767);
buffer.order(ByteOrder.BIG_ENDIAN); buffer.order(ByteOrder.BIG_ENDIAN);
byte[] bytes = new byte[buffer.limit()];
Log.i(TAG, "Start receiving"); Log.i(TAG, "Start receiving");
while (!Thread.currentThread().isInterrupted() && while (!Thread.currentThread().isInterrupted() &&
@ -682,8 +691,10 @@ public class SinkholeService extends VpnService implements SharedPreferences.OnS
pfd.getFileDescriptor().valid()) pfd.getFileDescriptor().valid())
try { try {
buffer.clear(); buffer.clear();
int length = in.read(buffer.array()); int length = in.read(bytes);
if (length > 0) { if (length > 0) {
buffer.put(bytes, 0, length);
buffer.position(0);
buffer.limit(length); buffer.limit(length);
Packet pkt = new Packet(buffer); Packet pkt = new Packet(buffer);
@ -691,6 +702,7 @@ public class SinkholeService extends VpnService implements SharedPreferences.OnS
"/" + pkt.getDestinationPort() + "/" + pkt.getDestinationPort() +
" " + pkt.getFlags() + " " + pkt.getFlags() +
" " + pkt.getProtocol()); " " + pkt.getProtocol());
jni_decode(bytes);
int connection; int connection;
if (last_connected) if (last_connected)
@ -911,6 +923,9 @@ public class SinkholeService extends VpnService implements SharedPreferences.OnS
ifPackage.addAction(Intent.ACTION_PACKAGE_ADDED); ifPackage.addAction(Intent.ACTION_PACKAGE_ADDED);
ifPackage.addDataScheme("package"); ifPackage.addDataScheme("package");
registerReceiver(packageAddedReceiver, ifPackage); registerReceiver(packageAddedReceiver, ifPackage);
// Native
jni_init();
} }
@Override @Override

52
app/src/main/jni/netguard.c Normal file
View file

@ -0,0 +1,52 @@
#include <jni.h>
#include <stddef.h>
#include <android/log.h>
#include <netinet/ip.h>
#include <netinet/ip6.h>
#define TAG "NetGuard.JNI"
JNIEXPORT void JNICALL
Java_eu_faircode_netguard_SinkholeService_jni_1init(JNIEnv *env, jobject instance) {
__android_log_print(ANDROID_LOG_INFO, TAG, "Init", 1);
}
JNIEXPORT void JNICALL
Java_eu_faircode_netguard_SinkholeService_jni_1decode(JNIEnv *env, jobject instance,
jbyteArray buffer_) {
jbyte *buffer = (*env)->GetByteArrayElements(env, buffer_, NULL);
jbyte version = (*buffer) >> 4;
if (version == 4) {
struct iphdr *ip4hdr = buffer;
__android_log_print(ANDROID_LOG_INFO, TAG, "Version 4 protocol %d", ip4hdr->protocol);
}
else if (version == 6) {
struct ip6_hdr *ip6hdr = buffer;
__android_log_print(ANDROID_LOG_INFO, TAG, "Version 6 protocol %d", ip6hdr->ip6_nxt);
}
else
__android_log_print(ANDROID_LOG_WARN, TAG, "Unknown version %d", version);
(*env)->ReleaseByteArrayElements(env, buffer_, buffer, 0);
}
unsigned short checksum(unsigned short *addr, int len) {
unsigned short result;
unsigned int sum = 0;
while (len > 1) {
sum += *addr++;
len -= 2;
}
if (len == 1)
sum += *(unsigned char *) addr;
sum = (sum >> 16) + (sum & 0xFFFF);
sum += (sum >> 16);
result = ~sum;
return result;
}