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No need _orig to call backup

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This commit is contained in:
LoveSy
2024-07-15 18:36:18 +08:00
committed by John Wu
parent de7e5bdfe7
commit f247759a6e
3 changed files with 254 additions and 303 deletions
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13
native/src/core/zygisk/hook.cpp
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@@ -116,7 +116,6 @@ HookContext *g_hook;
bool should_unmap_zygisk = false;
void *self_handle = nullptr;
constexpr const char *kZygiskInit = "com.android.internal.os.ZygoteInit";
constexpr const char *kZygote = "com/android/internal/os/Zygote";
}
// -----------------------------------------------------------------
@@ -440,10 +439,6 @@ void HookContext::restore_plt_hook() {
}
// -----------------------------------------------------------------
#define HOOK_JNI(method) \
hookJniNativeMethods(env, kZygote, method##_methods.data(), method##_methods.size()); \
for (auto m: method##_methods) if (m.fnPtr) { method##_orig = m.fnPtr; break; }
void HookContext::replace_jni_methods() {
using method_sig = jint(*)(JavaVM **, jsize, jsize *);
auto get_created_vms = reinterpret_cast<method_sig>(
@@ -478,15 +473,11 @@ void HookContext::replace_jni_methods() {
if (res != JNI_OK || env == nullptr) {
ZLOGW("JNIEnv not found\n");
}
HOOK_JNI(nativeForkAndSpecialize);
HOOK_JNI(nativeSpecializeAppProcess);
HOOK_JNI(nativeForkSystemServer);
hookJniNativeMethods(env, zygote_class, zygote_methods.data(), zygote_methods.size());
}
void HookContext::restore_jni_hook(JNIEnv *env) {
hookJniNativeMethods(env, kZygote, nativeForkAndSpecialize_methods.data(), nativeForkAndSpecialize_methods.size());
hookJniNativeMethods(env, kZygote, nativeSpecializeAppProcess_methods.data(), nativeSpecializeAppProcess_methods.size());
hookJniNativeMethods(env, kZygote, nativeForkSystemServer_methods.data(), nativeForkSystemServer_methods.size());
hookJniNativeMethods(env, zygote_class, zygote_methods.data(), zygote_methods.size());
}
// -----------------------------------------------------------------