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NetGuard/netguard_q.patch

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diff --git a/app/build.gradle b/app/build.gradle
index bcab1ef0..096a6f8a 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -5,13 +5,13 @@ def keystoreProperties = new Properties()
keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
android {
- compileSdkVersion = 28
+ compileSdkVersion = 'android-Q'
defaultConfig {
applicationId = "eu.faircode.netguard"
versionName = "2.245"
minSdkVersion 22
- targetSdkVersion 28
+ targetSdkVersion 'Q'
versionCode = 2019051701
archivesBaseName = "NetGuard-v$versionName"
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 501b6193..adf6d1ab 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -39,6 +39,7 @@
void logPacket(eu.faircode.netguard.Packet);
void dnsResolved(eu.faircode.netguard.ResourceRecord);
boolean isDomainBlocked(java.lang.String);
+ int getUidQ(int, int, java.lang.String, int, java.lang.String, int);
eu.faircode.netguard.Allowed isAddressAllowed(eu.faircode.netguard.Packet);
void accountUsage(eu.faircode.netguard.Usage);
}
diff --git a/app/src/main/java/eu/faircode/netguard/ServiceSinkhole.java b/app/src/main/java/eu/faircode/netguard/ServiceSinkhole.java
index 7587807f..96655af1 100644
--- a/app/src/main/java/eu/faircode/netguard/ServiceSinkhole.java
+++ b/app/src/main/java/eu/faircode/netguard/ServiceSinkhole.java
@@ -72,6 +72,7 @@ import android.widget.RemoteViews;
import androidx.core.app.NotificationCompat;
import androidx.core.app.NotificationManagerCompat;
import androidx.core.content.ContextCompat;
+import androidx.core.os.BuildCompat;
import androidx.localbroadcastmanager.content.LocalBroadcastManager;
import org.json.JSONArray;
@@ -1829,6 +1830,25 @@ public class ServiceSinkhole extends VpnService implements SharedPreferences.OnS
return blocked;
}
+ // Called from native code
+ @TargetApi(Build.VERSION_CODES.Q)
+ private int getUidQ(int version, int protocol, String saddr, int sport, String daddr, int dport) {
+ if (protocol != 6 /* TCP */ && protocol != 17 /* UDP */)
+ return Process.INVALID_UID;
+
+ ConnectivityManager cm = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
+ if (cm == null)
+ return Process.INVALID_UID;
+
+ InetSocketAddress local = new InetSocketAddress(saddr, sport);
+ InetSocketAddress remote = new InetSocketAddress(daddr, dport);
+
+ Log.i(TAG, "Get uid local=" + local + " remote=" + remote);
+ int uid = cm.getConnectionOwnerUid(protocol, local, remote);
+ Log.i(TAG, "Get uid=" + uid);
+ return uid;
+ }
+
private boolean isSupported(int protocol) {
return (protocol == 1 /* ICMPv4 */ ||
protocol == 59 /* ICMPv6 */ ||
@@ -2316,7 +2336,7 @@ public class ServiceSinkhole extends VpnService implements SharedPreferences.OnS
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
// Native init
- jni_context = jni_init(Build.VERSION.SDK_INT);
+ jni_context = jni_init(BuildCompat.isAtLeastQ() ? 29 : Build.VERSION.SDK_INT);
boolean pcap = prefs.getBoolean("pcap", false);
setPcap(pcap, this);
diff --git a/app/src/main/java/eu/faircode/netguard/Util.java b/app/src/main/java/eu/faircode/netguard/Util.java
index 6d166aa5..35a0586b 100644
--- a/app/src/main/java/eu/faircode/netguard/Util.java
+++ b/app/src/main/java/eu/faircode/netguard/Util.java
@@ -58,6 +58,7 @@ import android.widget.TextView;
import androidx.appcompat.app.AlertDialog;
import androidx.core.net.ConnectivityManagerCompat;
+import androidx.core.os.BuildCompat;
import java.io.BufferedReader;
import java.io.File;
@@ -407,6 +408,9 @@ public class Util {
}
public static boolean canFilter(Context context) {
+ if (BuildCompat.isAtLeastQ())
+ return true;
+
// https://android-review.googlesource.com/#/c/206710/1/untrusted_app.te
File tcp = new File("/proc/net/tcp");
File tcp6 = new File("/proc/net/tcp6");
diff --git a/app/src/main/jni/netguard/ip.c b/app/src/main/jni/netguard/ip.c
index 41d25c50..cd6a50f2 100644
--- a/app/src/main/jni/netguard/ip.c
+++ b/app/src/main/jni/netguard/ip.c
@@ -281,8 +281,12 @@ void handle_ip(const struct arguments *args,
jint uid = -1;
if (protocol == IPPROTO_ICMP || protocol == IPPROTO_ICMPV6 ||
(protocol == IPPROTO_UDP && !has_udp_session(args, pkt, payload)) ||
- (protocol == IPPROTO_TCP && syn))
- uid = get_uid(version, protocol, saddr, sport, daddr, dport);
+ (protocol == IPPROTO_TCP && syn)) {
+ if (args->ctx->sdk <= 28) // Android 9 Pie
+ uid = get_uid(version, protocol, saddr, sport, daddr, dport);
+ else
+ uid = get_uid_q(args, version, protocol, source, sport, dest, dport);
+ }
log_android(ANDROID_LOG_DEBUG,
"Packet v%d %s/%u > %s/%u proto %d flags %s uid %d",
diff --git a/app/src/main/jni/netguard/netguard.c b/app/src/main/jni/netguard/netguard.c
index a583cd1a..c9780e7b 100644
--- a/app/src/main/jni/netguard/netguard.c
+++ b/app/src/main/jni/netguard/netguard.c
@@ -625,6 +625,47 @@ jboolean is_domain_blocked(const struct arguments *args, const char *name) {
return jallowed;
}
+static jmethodID midGetUidQ = NULL;
+
+jint get_uid_q(const struct arguments *args,
+ jint version, jint protocol,
+ const char *source, jint sport,
+ const char *dest, jint dport) {
+#ifdef PROFILE_JNI
+ float mselapsed;
+ struct timeval start, end;
+ gettimeofday(&start, NULL);
+#endif
+
+ jclass clsService = (*args->env)->GetObjectClass(args->env, args->instance);
+
+ const char *signature = "(IILjava/lang/String;ILjava/lang/String;I)I";
+ if (midGetUidQ == NULL)
+ midGetUidQ = jniGetMethodID(args->env, clsService, "getUidQ", signature);
+
+ jstring jsource = (*args->env)->NewStringUTF(args->env, source);
+ jstring jdest = (*args->env)->NewStringUTF(args->env, dest);
+
+ jint juid = (*args->env)->CallIntMethod(
+ args->env, args->instance, midGetUidQ,
+ version, protocol, jsource, sport, jdest, dport);
+ jniCheckException(args->env);
+
+ (*args->env)->DeleteLocalRef(args->env, jdest);
+ (*args->env)->DeleteLocalRef(args->env, jsource);
+ (*args->env)->DeleteLocalRef(args->env, clsService);
+
+#ifdef PROFILE_JNI
+ gettimeofday(&end, NULL);
+ mselapsed = (end.tv_sec - start.tv_sec) * 1000.0 +
+ (end.tv_usec - start.tv_usec) / 1000.0;
+ if (mselapsed > PROFILE_JNI)
+ log_android(ANDROID_LOG_WARN, "get_uid_q %f", mselapsed);
+#endif
+
+ return juid;
+}
+
static jmethodID midIsAddressAllowed = NULL;
jfieldID fidRaddr = NULL;
jfieldID fidRport = NULL;
diff --git a/app/src/main/jni/netguard/netguard.h b/app/src/main/jni/netguard/netguard.h
index 173be260..7ffcdc28 100644
--- a/app/src/main/jni/netguard/netguard.h
+++ b/app/src/main/jni/netguard/netguard.h
@@ -506,6 +506,14 @@ void dns_resolved(const struct arguments *args,
jboolean is_domain_blocked(const struct arguments *args, const char *name);
+jint get_uid_q(const struct arguments *args,
+ jint version,
+ jint protocol,
+ const char *source,
+ jint sport,
+ const char *dest,
+ jint dport);
+
struct allowed *is_address_allowed(const struct arguments *args, jobject objPacket);
jobject create_packet(const struct arguments *args,
diff --git a/tools/addr2line.sh b/tools/addr2line.sh
index 60b4fd38..240db4fc 100644
--- a/tools/addr2line.sh
+++ b/tools/addr2line.sh
@@ -1,4 +1,4 @@
#!/bin/sh
addr2line=/media/marcel/C720/android-ndk-r10e/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-addr2line
-lib=./app/build/intermediates/cmake/release/obj/arm64-v8a/libnetguard.so
+lib=./app/build/intermediates/cmake/debug/obj/arm64-v8a/libnetguard.so
addr2line -C -f -e $lib $1
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