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#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <assert.h>
#include <err.h>
#include <dlfcn.h>
#include <err.h>
#include "jvm/jni.h"
jstring
java_lang_System_getProperty(JNIEnv *env, jobject object, va_list args)
{
assert(env && object);
char value[92];
const char *key = (*env)->GetStringUTFChars(env, va_arg(args, jstring), NULL);
union {
void *ptr;
int (*fun)(const char*, char*);
} __system_property_get;
if (!(__system_property_get.ptr = dlsym(RTLD_DEFAULT, "__system_property_get")))
return NULL;
__system_property_get.fun(key, value);
return (*env)->NewStringUTF(env, value);
}
void
java_lang_System_load(JNIEnv *env, jobject object, va_list args)
{
assert(env && object);
const char *lib = (*env)->GetStringUTFChars(env, va_arg(args, jstring), NULL);
struct {
union {
void *ptr;
void* (*fun)(const char*, int);
} open;
union {
void *ptr;
void* (*fun)(void*, const char*);
} sym;
} dl;
if (!(dl.open.ptr = dlsym(RTLD_DEFAULT, "bionic_dlopen")) || !(dl.sym.ptr = dlsym(RTLD_DEFAULT, "bionic_dlsym"))) {
dl.open.fun = dlopen;
dl.sym.fun = dlsym;
}
void *handle;
if (!(handle = dl.open.fun(lib, RTLD_NOW | RTLD_GLOBAL))) {
warnx("java/lang/System/load: failed to dlopen `%s`", lib);
return;
}
union {
void *ptr;
void* (*fun)(void*, void*);
} JNI_OnLoad;
if ((JNI_OnLoad.ptr = dl.sym.fun(handle, "JNI_OnLoad"))) {
JavaVM *vm;
(*env)->GetJavaVM(env, &vm);
JNI_OnLoad.fun(vm, NULL);
}
}
jobject
java_lang_ClassLoader_findLibrary(JNIEnv *env, jobject object, va_list args)
{
assert(env && object);
XXX
char lib[255];
snprintf(lib, sizeof(lib), "lib%s.so", (*env)->GetStringUTFChars(env, va_arg(args, jstring), NULL));
return (*env)->NewStringUTF(env, lib);
}
jobject
java_lang_Class_getClassLoader(JNIEnv *env, jobject object)
{
assert(env && object);
static jobject sv;
return (sv ? sv : (sv = (*env)->AllocObject(env, (*env)->FindClass(env, "java/lang/ClassLoader"))));
}
jclass
java_lang_Class_forName(JNIEnv *env, jobject object, va_list args)
{
assert(env && object);
jstring str = va_arg(args, jstring);
const char *utf = (*env)->GetStringUTFChars(env, str, NULL);
return (*env)->FindClass(env, utf);
}
jstring
java_lang_Class_getName(JNIEnv *env, jobject object)
{
assert(env && object);
{
struct {
union {
void *ptr;
struct jvm* (*fun)(JNIEnv*);
} jnienv_get_jvm;
union {
void *ptr;
const char* (*fun)(const struct jvm*, jobject);
} jvm_get_class_name;
} jvm;
if ((jvm.jnienv_get_jvm.ptr = dlsym(RTLD_DEFAULT, "jnienv_get_jvm")) && (jvm.jvm_get_class_name.ptr = dlsym(RTLD_DEFAULT, "jvm_get_class_name"))) {
struct jvm *jvm_ = jvm.jnienv_get_jvm.fun(env);
return (*env)->NewStringUTF(env, jvm.jvm_get_class_name.fun(jvm_, object));
}
}
warnx("%s: returning NULL, as running in unknown JVM and don't know how to get class name", __func__);
return NULL;
}
jclass
java_lang_Object_getClass(JNIEnv *env, jobject object)
{
assert(env && object);
return (*env)->GetObjectClass(env, object);
}
jstring
java_io_File_getPath(JNIEnv *env, jobject object, va_list args)
{
assert(env && object);
FIXME
#if WOLF
return (*env)->NewStringUTF(env, "/mnt/media/dev/android2gnulinux/local/data/com.swiftappskom.thewolfrpg/files");
#elif STARLIGHT
return (*env)->NewStringUTF(env, "/mnt/media/dev/android2gnulinux/local/data/jp.co.bandainamcoent.BNEI0242/files");
#elif SHADOWVERSE
return (*env)->NewStringUTF(env, "/mnt/media/dev/android2gnulinux/local/data/com.cygames.Shadowverse/files");
#elif HEARTHSTONE
return (*env)->NewStringUTF(env, "/mnt/media/dev/android2gnulinux/local/data/com.blizzard.wtcg.hearthstone/files");
#else
return (*env)->NewStringUTF(env, "/mnt/media/dev/android2gnulinux/local/data/com.miHoYo.bh3oversea/files");
#endif
}
jstring
java_io_File_getParent(JNIEnv *env, jobject object, va_list args)
{
#if WOLF
return (*env)->NewStringUTF(env, "/mnt/media/dev/android2gnulinux/local/data/com.swiftappskom.thewolfrpg");
#elif STARLIGHT
return (*env)->NewStringUTF(env, "/mnt/media/dev/android2gnulinux/local/data/jp.co.bandainamcoent.BNEI0242");
#elif SHADOWVERSE
return (*env)->NewStringUTF(env, "/mnt/media/dev/android2gnulinux/local/data/com.cygames.Shadowverse");
#elif HEARTHSTONE
return (*env)->NewStringUTF(env, "/mnt/media/dev/android2gnulinux/local/data/com.blizzard.wtcg.hearthstone");
#else
return (*env)->NewStringUTF(env, "/mnt/media/dev/android2gnulinux/local/data/com.miHoYo.bh3oversea");
#endif
}
jboolean
java_lang_String_equals(JNIEnv *env, jobject object, va_list args)
{
assert(env && object);
jstring str = va_arg(args, jstring);
const char *utf1 = (*env)->GetStringUTFChars(env, object, NULL);
const char *utf2 = (*env)->GetStringUTFChars(env, str, NULL);
const jboolean equal = (utf1 == utf2 || (utf1 && utf2 && !strcmp(utf1, utf2)));
(*env)->ReleaseStringUTFChars(env, object, utf1);
(*env)->ReleaseStringUTFChars(env, str, utf2);
return equal;
}
jbyteArray
java_lang_String_getBytes(JNIEnv *env, jobject object, va_list args)
{
assert(env && object);
const char *utf = (*env)->GetStringUTFChars(env, object, NULL);
const size_t len = strlen(utf);
jbyteArray bytes = (*env)->NewByteArray(env, len);
(*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)utf);
return bytes;
}
jstring
java_util_Locale_getLanguage(JNIEnv *env, jobject object)
{
assert(env && object);
return (*env)->NewStringUTF(env, "en");
}
jstring
java_util_Locale_getCountry(JNIEnv *env, jobject object)
{
assert(env && object);
return (*env)->NewStringUTF(env, "US");
}
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