openlink 1.13+(not finish)

FCLauncher/src/main/jni/Android.mk

@@ -331,8 +331,10 @@ LOCAL_MODULE            := lwjgl
 LOCAL_STATIC_LIBRARIES  := dyncall \
 						   dyncallback \
 						   dynload
-LOCAL_SHARED_LIBRARIES  := byopen
+LOCAL_SHARED_LIBRARIES  := byopen \
-LOCAL_SRC_FILES         := lwjgl3/common_tools.c \
+						   fcl
+LOCAL_SRC_FILES         := lwjgl3/fcl_hook.c \
+						   lwjgl3/common_tools.c \
                            lwjgl3/org_lwjgl_opengl_AMDDebugOutput.c \
                            lwjgl3/org_lwjgl_opengl_AMDDrawBuffersBlend.c \
                            lwjgl3/org_lwjgl_opengl_AMDFramebufferMultisampleAdvanced.c \

FCLauncher/src/main/jni/awt/awt_bridge.c

@@ -5,8 +5,6 @@
 
 static JavaVM* dalvikJavaVMPtr;
 
-static JavaVM* runtimeJavaVMPtr;
-
 jclass class_FCLBridge;
 jmethodID method_OpenLink;
 jmethodID method_OpenPath;
@@ -19,10 +17,7 @@ jint JNI_OnLoad(JavaVM* vm, void* reserved) {
         class_FCLBridge = (*env)->NewGlobalRef(env, (*env)->FindClass(env, "com/tungsten/fclauncher/bridge/FCLBridge"));
         method_OpenLink = (*env)->GetStaticMethodID(env, class_FCLBridge, "openLink", "(Ljava/lang/String;)V");
         method_OpenPath = (*env)->GetStaticMethodID(env, class_FCLBridge, "openLink", "(Ljava/lang/String;)V");
-    } else if (dalvikJavaVMPtr != vm) {
-        runtimeJavaVMPtr = vm;
     }
-
     return JNI_VERSION_1_4;
 }
 

FCLauncher/src/main/jni/fcl/include/fcl_bridge.h

@@ -6,7 +6,7 @@
 #define FOLD_CRAFT_LAUNCHER_FCL_BRIDGE_H
 
 #include <android/native_window.h>
-#include <fcl_event.h>
+#include "fcl_event.h"
 
 ANativeWindow* fclGetNativeWindow(void);
 int fclWaitForEvent(int timeout);

FCLauncher/src/main/jni/lwjgl3/common_tools.c

@@ -8,6 +8,7 @@
 #include "common_tools.h"
 #include <stdlib.h>
 #include <errno.h>
+#include "fcl_hook.h"
 
 JavaVM *jvm;
 
@@ -184,7 +185,9 @@ JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
     UNUSED_PARAM(reserved)
 
     jvm = vm;
-
+    JNIEnv *env = NULL;
+    (*vm)->GetEnv(vm, (void**)&env, JNI_VERSION_1_4);
+    hookExec(env);
     envTLSInit();
     return JNI_VERSION_1_6;
 }

FCLauncher/src/main/jni/lwjgl3/fcl_hook.c

@@ -0,0 +1,47 @@
+//
+// Created by mio on 2023/7/9.
+//
+
+#include "fcl_hook.h"
+#include <dlfcn.h>
+#include <stdio.h>
+#include <string.h>
+#include <libgen.h>
+#include "fcl/include/fcl_internal.h"
+
+jint (*orig_ProcessImpl_forkAndExec)(JNIEnv *env, jobject process, jint mode, jbyteArray helperpath, jbyteArray prog, jbyteArray argBlock, jint argc, jbyteArray envBlock, jint envc, jbyteArray dir, jintArray std_fds, jboolean redirectErrorStream);
+
+jint
+hooked_ProcessImpl_forkAndExec(JNIEnv *env, jobject process, jint mode, jbyteArray helperpath, jbyteArray prog, jbyteArray argBlock, jint argc, jbyteArray envBlock, jint envc, jbyteArray dir, jintArray std_fds, jboolean redirectErrorStream) {
+    char *pProg = (char *)((*env)->GetByteArrayElements(env, prog, NULL));
+
+    if (strcmp(basename(pProg), "xdg-open") != 0) {
+        (*env)->ReleaseByteArrayElements(env, prog, (jbyte *)pProg, 0);
+        return orig_ProcessImpl_forkAndExec(env, process, mode, helperpath, prog, argBlock, argc, envBlock, envc, dir, std_fds, redirectErrorStream);
+    }
+    (*env)->ReleaseByteArrayElements(env, prog, (jbyte *)pProg, 0);
+
+    long len = (*env)->GetArrayLength(env,argBlock);
+    unsigned char* cs[len];
+    (*env)->GetByteArrayRegion(env,argBlock, 0, len, (jbyte *)cs);
+    (*env)->DeleteLocalRef(env,argBlock);
+
+    FCL_INTERNAL_LOG("forkAndExec:%s",cs);
+    return 0;
+}
+
+void hookExec(JNIEnv *env) {
+    jclass cls;
+    orig_ProcessImpl_forkAndExec = dlsym(RTLD_DEFAULT, "Java_java_lang_UNIXProcess_forkAndExec");
+    if (!orig_ProcessImpl_forkAndExec) {
+        orig_ProcessImpl_forkAndExec = dlsym(RTLD_DEFAULT, "Java_java_lang_ProcessImpl_forkAndExec");
+        cls = (*env)->FindClass(env, "java/lang/ProcessImpl");
+    } else {
+        cls = (*env)->FindClass(env, "java/lang/UNIXProcess");
+    }
+    JNINativeMethod methods[] = {
+            {"forkAndExec", "(I[B[B[BI[BI[B[IZ)I", (void *)&hooked_ProcessImpl_forkAndExec}
+    };
+    (*env)->RegisterNatives(env, cls, methods, 1);
+    printf("Registered forkAndExec\n");
+}

FCLauncher/src/main/jni/lwjgl3/fcl_hook.h

@@ -0,0 +1,12 @@
+//
+// Created by mio on 2023/7/9.
+//
+
+#ifndef FOLD_CRAFT_LAUNCHER_FCL_HOOK_H
+#define FOLD_CRAFT_LAUNCHER_FCL_HOOK_H
+
+#include <jni.h>
+void hookExec(JNIEnv *env);
+
+
+#endif //FOLD_CRAFT_LAUNCHER_FCL_HOOK_H