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Move more data and function into HookContext

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topjohnwu 2024-07-22 20:36:55 -07:00
parent 6e22476acc
commit b5d2ef18e8
5 changed files with 129 additions and 121 deletions
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7
native/src/core/zygisk/entry.cpp
View File

@ -17,7 +17,7 @@ string native_bridge = "0";
static bool is_compatible_with(uint32_t) { static bool is_compatible_with(uint32_t) {
zygisk_logging(); zygisk_logging();
hook_functions(); hook_entry();
ZLOGD("load success\n"); ZLOGD("load success\n");
return false; return false;
} }
@ -55,12 +55,13 @@ static vector<int> get_module_fds(bool is_64_bit) {
// All fds passed to send_fds have to be valid file descriptors. // All fds passed to send_fds have to be valid file descriptors.
// To workaround this issue, send over STDOUT_FILENO as an indicator of an // To workaround this issue, send over STDOUT_FILENO as an indicator of an
// invalid fd as it will always be /dev/null in magiskd // invalid fd as it will always be /dev/null in magiskd
if (is_64_bit) {
#if defined(__LP64__) #if defined(__LP64__)
if (is_64_bit) {
std::transform(module_list->begin(), module_list->end(), std::back_inserter(fds), std::transform(module_list->begin(), module_list->end(), std::back_inserter(fds),
[](const module_info &info) { return info.z64 < 0 ? STDOUT_FILENO : info.z64; }); [](const module_info &info) { return info.z64 < 0 ? STDOUT_FILENO : info.z64; });
} else
#endif #endif
} else { {
std::transform(module_list->begin(), module_list->end(), std::back_inserter(fds), std::transform(module_list->begin(), module_list->end(), std::back_inserter(fds),
[](const module_info &info) { return info.z32 < 0 ? STDOUT_FILENO : info.z32; }); [](const module_info &info) { return info.z32 < 0 ? STDOUT_FILENO : info.z32; });
} }

11
native/src/core/zygisk/gen_jni_hooks.py
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@ -66,7 +66,7 @@ class JNIHook(Method):
return '' return ''
def orig_method(self, name, i): def orig_method(self, name, i):
return f'reinterpret_cast<{self.ret.type.cpp}(*)(JNIEnv *env, jclass clazz, {self.cpp()})>({name}_methods[{i}].fnPtr)' return f'reinterpret_cast<{self.ret.type.cpp}(*)(JNIEnv *env, jclass clazz, {self.cpp()})>(g_hook->{name}_methods[{i}].fnPtr)'
def ind(i): def ind(i):
return '\n' + ' ' * i return '\n' + ' ' * i
@ -210,10 +210,9 @@ server_l = ForkServer('l', [uid, gid, gids, runtime_flags, rlimits,
server_samsung_q = ForkServer('samsung_q', [uid, gid, gids, runtime_flags, Anon(jint), Anon(jint), rlimits, server_samsung_q = ForkServer('samsung_q', [uid, gid, gids, runtime_flags, Anon(jint), Anon(jint), rlimits,
permitted_capabilities, effective_capabilities]) permitted_capabilities, effective_capabilities])
def gen_jni_def(name, clz, methods): def gen_jni_def(name, methods):
decl = '' decl = ''
decl += ind(0) + f'static constexpr auto {name}_class = "{clz}";' decl += ind(0) + f'std::array<JNINativeMethod, {len(methods)}> {name}_methods = {{{{'
decl += ind(0) + f'static std::array<JNINativeMethod, {len(methods)}> {name}_methods = {{{{'
for i, m in enumerate(methods): for i, m in enumerate(methods):
decl += ind(1) + '{' decl += ind(1) + '{'
decl += ind(2) + f'"{m.base_name()}",' decl += ind(2) + f'"{m.base_name()}",'
@ -232,9 +231,7 @@ def gen_jni_def(name, clz, methods):
with open('jni_hooks.hpp', 'w') as f: with open('jni_hooks.hpp', 'w') as f:
f.write('// Generated by gen_jni_hooks.py\n') f.write('// Generated by gen_jni_hooks.py\n')
zygote = 'com/android/internal/os/Zygote' f.write(gen_jni_def('zygote', [
f.write(gen_jni_def('zygote', zygote, [
fas_l, fas_o, fas_p, fas_q_alt, fas_r, fas_u, fas_samsung_m, fas_samsung_n, fas_samsung_o, fas_l, fas_o, fas_p, fas_q_alt, fas_r, fas_u, fas_samsung_m, fas_samsung_n, fas_samsung_o,
fas_samsung_p, spec_q, spec_q_alt, spec_r, spec_u, spec_samsung_q, server_l, server_samsung_q])) fas_samsung_p, spec_q, spec_q_alt, spec_r, spec_u, spec_samsung_q, server_l, server_samsung_q]))

193
native/src/core/zygisk/hook.cpp
View File

@ -1,6 +1,7 @@
#include <sys/mount.h> #include <sys/mount.h>
#include <dlfcn.h> #include <dlfcn.h>
#include <unwind.h> #include <unwind.h>
#include <span>
#include <lsplt.hpp> #include <lsplt.hpp>
@ -9,7 +10,6 @@
#include "zygisk.hpp" #include "zygisk.hpp"
#include "module.hpp" #include "module.hpp"
#include "jni_hooks.hpp"
using namespace std; using namespace std;
@ -51,12 +51,12 @@ using namespace std;
// └──────────────────────┼────────────────►│post_native_bridge_load│ // └──────────────────────┼────────────────►│post_native_bridge_load│
// │ └───────────────────────┘ // │ └───────────────────────┘
// ▼ // ▼
// ┌──────────────────────────┐ // ┌──────────────────────┐
// │ strdup("ZygiskInit") │ // │ strdup("ZygoteInit") │
// └─────────────┬────┬───────┘ // └───────────┬────┬─────┘
// │ │ ┌───────────────────┐ // │ │ ┌───────────────┐
// │ └─────────────►│replace_jni_methods│ // │ └───────────────►│hook_zygote_jni│
// │ └───────────────────┘ ┌─────────┐ // │ └───────────────┘ ┌─────────┐
// │ │ │ // │ │ │
// └────────────────────────────────────────────►│ JVM │ // └────────────────────────────────────────────►│ JVM │
// │ │ // │ │
@ -78,28 +78,16 @@ using namespace std;
// //
// * NativeBridgeItf: this symbol is the entry point for android::LoadNativeBridge // * NativeBridgeItf: this symbol is the entry point for android::LoadNativeBridge
// * HookContext::hook_plt(): hook functions like |dlclose| and |strdup| // * HookContext::hook_plt(): hook functions like |dlclose| and |strdup|
// * dlclose: the final step before android::LoadNativeBridge returns // * dlclose: the final step in android::LoadNativeBridge. In this function, we unwind the call
// * strdup: called in AndroidRuntime::start before calling specializations routines // stack to load the real native bridge if necessary, and fetch NativeBridgeRuntimeCallbacks.
// * HookContext::replace_jni_methods: replace the function pointers registered in // * strdup: called in AndroidRuntime::start before calling ZygoteInit#main(...)
// register_jni_procs, most importantly the process specialization routines, which are our // * HookContext::hook_zygote_jni(): replace the process specialization functions registered
// main targets. This marks the final step of the code injection bootstrap process. // with register_jni_procs. This marks the final step of the code injection bootstrap process.
// * pthread_attr_destroy: called whenever the JVM tries to setup threads for itself. We use // * pthread_attr_destroy: called whenever the JVM tries to setup threads for itself. We use
// this method to cleanup and unload Zygisk from the process. // this method to cleanup and unload Zygisk from the process.
struct HookContext { constexpr const char *kZygoteInit = "com.android.internal.os.ZygoteInit";
vector<tuple<dev_t, ino_t, const char *, void **>> plt_backup; constexpr const char *kZygote = "com/android/internal/os/Zygote";
const NativeBridgeRuntimeCallbacks *runtime_callbacks = nullptr;
void hook_plt();
void hook_unloader();
void restore_plt_hook();
void replace_jni_methods();
void restore_jni_hook(JNIEnv *env);
void post_native_bridge_load();
private:
void register_hook(dev_t dev, ino_t inode, const char *symbol, void *new_func, void **old_func);
};
// Global contexts: // Global contexts:
// //
@ -110,11 +98,31 @@ private:
// features, such as loading modules and customizing process fork/specialization. // features, such as loading modules and customizing process fork/specialization.
ZygiskContext *g_ctx; ZygiskContext *g_ctx;
struct HookContext;
static HookContext *g_hook; static HookContext *g_hook;
static bool should_unmap_zygisk = false;
static void *self_handle = nullptr; using JNIMethods = std::span<JNINativeMethod>;
static constexpr const char *kZygiskInit = "com.android.internal.os.ZygoteInit";
struct HookContext {
#include "jni_hooks.hpp"
// std::array<JNINativeMethod> zygote_methods
vector<tuple<dev_t, ino_t, const char *, void **>> plt_backup;
const NativeBridgeRuntimeCallbacks *runtime_callbacks = nullptr;
void *self_handle = nullptr;
bool should_unmap = false;
void hook_plt();
void hook_unloader();
void restore_plt_hook();
void hook_zygote_jni();
void restore_zygote_hook(JNIEnv *env);
void hook_jni_methods(JNIEnv *env, const char *clz, JNIMethods methods);
void post_native_bridge_load(void *handle);
private:
void register_hook(dev_t dev, ino_t inode, const char *symbol, void *new_func, void **old_func);
};
// ----------------------------------------------------------------- // -----------------------------------------------------------------
@ -123,8 +131,8 @@ ret (*old_##func)(__VA_ARGS__); \
ret new_##func(__VA_ARGS__) ret new_##func(__VA_ARGS__)
DCL_HOOK_FUNC(static char *, strdup, const char * str) { DCL_HOOK_FUNC(static char *, strdup, const char * str) {
if (strcmp(kZygiskInit, str) == 0) { if (strcmp(kZygoteInit, str) == 0) {
g_hook->replace_jni_methods(); g_hook->hook_zygote_jni();
} }
return old_strdup(str); return old_strdup(str);
} }
@ -167,10 +175,9 @@ DCL_HOOK_FUNC(static void, android_log_close) {
// It should be safe to assume all dlclose's in libnativebridge are for zygisk_loader // It should be safe to assume all dlclose's in libnativebridge are for zygisk_loader
DCL_HOOK_FUNC(static int, dlclose, void *handle) { DCL_HOOK_FUNC(static int, dlclose, void *handle) {
if (!self_handle) { if (!g_hook->self_handle) {
ZLOGV("dlclose zygisk_loader\n"); ZLOGV("dlclose zygisk_loader\n");
self_handle = handle; g_hook->post_native_bridge_load(handle);
g_hook->post_native_bridge_load();
} }
return 0; return 0;
} }
@ -186,10 +193,11 @@ DCL_HOOK_FUNC(static int, pthread_attr_destroy, void *target) {
return res; return res;
ZLOGV("pthread_attr_destroy\n"); ZLOGV("pthread_attr_destroy\n");
if (should_unmap_zygisk) { if (g_hook->should_unmap) {
g_hook->restore_plt_hook(); g_hook->restore_plt_hook();
if (should_unmap_zygisk) { if (g_hook->should_unmap) {
ZLOGV("dlclosing self\n"); ZLOGV("dlclosing self\n");
void *self_handle = g_hook->self_handle;
delete g_hook; delete g_hook;
// Because both `pthread_attr_destroy` and `dlclose` have the same function signature, // Because both `pthread_attr_destroy` and `dlclose` have the same function signature,
@ -229,8 +237,8 @@ ZygiskContext::~ZygiskContext() {
} }
// Cleanup // Cleanup
should_unmap_zygisk = true; g_hook->should_unmap = true;
g_hook->restore_jni_hook(env); g_hook->restore_zygote_hook(env);
g_hook->hook_unloader(); g_hook->hook_unloader();
} }
@ -318,7 +326,8 @@ static const NativeBridgeRuntimeCallbacks* find_runtime_callbacks(struct _Unwind
return nullptr; return nullptr;
} }
void HookContext::post_native_bridge_load() { void HookContext::post_native_bridge_load(void *handle) {
self_handle = handle;
using method_sig = const bool (*)(const char *, const NativeBridgeRuntimeCallbacks *); using method_sig = const bool (*)(const char *, const NativeBridgeRuntimeCallbacks *);
struct trace_arg { struct trace_arg {
method_sig load_native_bridge; method_sig load_native_bridge;
@ -427,18 +436,63 @@ void HookContext::restore_plt_hook() {
for (const auto &[dev, inode, sym, old_func] : plt_backup) { for (const auto &[dev, inode, sym, old_func] : plt_backup) {
if (!lsplt::RegisterHook(dev, inode, sym, *old_func, nullptr)) { if (!lsplt::RegisterHook(dev, inode, sym, *old_func, nullptr)) {
ZLOGE("Failed to register plt_hook [%s]\n", sym); ZLOGE("Failed to register plt_hook [%s]\n", sym);
should_unmap_zygisk = false; should_unmap = false;
} }
} }
if (!lsplt::CommitHook()) { if (!lsplt::CommitHook()) {
ZLOGE("Failed to restore plt_hook\n"); ZLOGE("Failed to restore plt_hook\n");
should_unmap_zygisk = false; should_unmap = false;
} }
} }
// ----------------------------------------------------------------- // -----------------------------------------------------------------
void HookContext::replace_jni_methods() { void HookContext::hook_jni_methods(JNIEnv *env, const char *clz, JNIMethods methods) {
jclass clazz;
if (!runtime_callbacks || !env || !clz || !(clazz = env->FindClass(clz))) {
for (auto &method : methods) {
method.fnPtr = nullptr;
}
return;
}
// Backup existing methods
auto total = runtime_callbacks->getNativeMethodCount(env, clazz);
auto old_methods = std::make_unique_for_overwrite<JNINativeMethod[]>(total);
runtime_callbacks->getNativeMethods(env, clazz, old_methods.get(), total);
auto new_methods = std::make_unique_for_overwrite<JNINativeMethod[]>(total);
// Replace the method
for (auto &method : methods) {
// It's useful to allow nullptr function pointer for restoring hook
if (!method.fnPtr) continue;
// It's normal that the method is not found
if (env->RegisterNatives(clazz, &method, 1) == JNI_ERR ||
env->ExceptionCheck() == JNI_TRUE) {
if (auto exception = env->ExceptionOccurred()) {
env->DeleteLocalRef(exception);
}
env->ExceptionClear();
method.fnPtr = nullptr;
continue;
}
// Find the old function pointer and return to caller
runtime_callbacks->getNativeMethods(env, clazz, new_methods.get(), total);
for (auto i = 0; i < total; ++i) {
auto &new_method = new_methods[i];
if (new_method.fnPtr == method.fnPtr && strcmp(new_method.name, method.name) == 0) {
auto &old_method = old_methods[i];
ZLOGD("replace %s#%s%s %p -> %p\n", clz,
method.name, method.signature, old_method.fnPtr, method.fnPtr);
method.fnPtr = old_method.fnPtr;
break;
}
}
old_methods.swap(new_methods);
}
}
void HookContext::hook_zygote_jni() {
using method_sig = jint(*)(JavaVM **, jsize, jsize *); using method_sig = jint(*)(JavaVM **, jsize, jsize *);
auto get_created_vms = reinterpret_cast<method_sig>( auto get_created_vms = reinterpret_cast<method_sig>(
dlsym(RTLD_DEFAULT, "JNI_GetCreatedJavaVMs")); dlsym(RTLD_DEFAULT, "JNI_GetCreatedJavaVMs"));
@ -472,63 +526,20 @@ void HookContext::replace_jni_methods() {
if (res != JNI_OK || env == nullptr) { if (res != JNI_OK || env == nullptr) {
ZLOGW("JNIEnv not found\n"); ZLOGW("JNIEnv not found\n");
} }
hookJniNativeMethods(env, zygote_class, zygote_methods.data(), zygote_methods.size()); hook_jni_methods(env, kZygote, zygote_methods);
} }
void HookContext::restore_jni_hook(JNIEnv *env) { void HookContext::restore_zygote_hook(JNIEnv *env) {
hookJniNativeMethods(env, zygote_class, zygote_methods.data(), zygote_methods.size()); hook_jni_methods(env, kZygote, zygote_methods);
} }
// ----------------------------------------------------------------- // -----------------------------------------------------------------
void hook_functions() { void hook_entry() {
default_new(g_hook); default_new(g_hook);
g_hook->hook_plt(); g_hook->hook_plt();
} }
void hookJniNativeMethods(JNIEnv *env, const char *clz, JNINativeMethod *methods, int numMethods) { void hookJniNativeMethods(JNIEnv *env, const char *clz, JNINativeMethod *methods, int numMethods) {
jclass clazz; g_hook->hook_jni_methods(env, clz, { methods, (size_t) numMethods });
if (!g_hook || !g_hook->runtime_callbacks || !env || !clz || !(clazz = env->FindClass(clz))) {
for (auto i = 0; i < numMethods; ++i) {
methods[i].fnPtr = nullptr;
}
return;
}
// Backup existing methods
auto total = g_hook->runtime_callbacks->getNativeMethodCount(env, clazz);
auto old_methods = std::make_unique_for_overwrite<JNINativeMethod[]>(total);
g_hook->runtime_callbacks->getNativeMethods(env, clazz, old_methods.get(), total);
auto new_methods = std::make_unique_for_overwrite<JNINativeMethod[]>(total);
// Replace the method
for (auto i = 0; i < numMethods; ++i) {
auto &method = methods[i];
// It's useful to allow nullptr function pointer for restoring hook
if (!method.fnPtr) continue;
// It's normal that the method is not found
if (env->RegisterNatives(clazz, &method, 1) == JNI_ERR ||
env->ExceptionCheck() == JNI_TRUE) {
if (auto *exception = env->ExceptionOccurred()) {
env->DeleteLocalRef(exception);
}
env->ExceptionClear();
method.fnPtr = nullptr;
continue;
}
// Find the old function pointer and return to caller
g_hook->runtime_callbacks->getNativeMethods(env, clazz, new_methods.get(), total);
for (auto j = 0; j < total; ++j) {
auto &new_method = new_methods[j];
auto &old_method = old_methods[j];
if (new_method.fnPtr == method.fnPtr && old_method.fnPtr != new_method.fnPtr &&
strcmp(new_method.name, method.name) == 0) {
ZLOGD("replace %s#%s%s %p -> %p\n", clz,
method.name, method.signature, old_method.fnPtr, method.fnPtr);
method.fnPtr = old_method.fnPtr;
break;
}
}
old_methods.swap(new_methods);
}
} }

37
native/src/core/zygisk/jni_hooks.hpp
View File

@ -1,7 +1,6 @@
// Generated by gen_jni_hooks.py // Generated by gen_jni_hooks.py
static constexpr auto zygote_class = "com/android/internal/os/Zygote"; std::array<JNINativeMethod, 17> zygote_methods = {{
static std::array<JNINativeMethod, 17> zygote_methods = {{
{ {
"nativeForkAndSpecialize", "nativeForkAndSpecialize",
"(II[II[[IILjava/lang/String;Ljava/lang/String;[ILjava/lang/String;Ljava/lang/String;)I", "(II[II[[IILjava/lang/String;Ljava/lang/String;[ILjava/lang/String;Ljava/lang/String;)I",
@ -9,7 +8,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
AppSpecializeArgs_v5 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir); AppSpecializeArgs_v5 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeForkAndSpecialize_pre(); ctx.nativeForkAndSpecialize_pre();
reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jintArray fds_to_close, jstring instruction_set, jstring app_data_dir)>(zygote_methods[0].fnPtr)( reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jintArray fds_to_close, jstring instruction_set, jstring app_data_dir)>(g_hook->zygote_methods[0].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, fds_to_close, instruction_set, app_data_dir env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, fds_to_close, instruction_set, app_data_dir
); );
ctx.nativeForkAndSpecialize_post(); ctx.nativeForkAndSpecialize_post();
@ -24,7 +23,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
args.fds_to_ignore = &fds_to_ignore; args.fds_to_ignore = &fds_to_ignore;
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeForkAndSpecialize_pre(); ctx.nativeForkAndSpecialize_pre();
reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jstring instruction_set, jstring app_data_dir)>(zygote_methods[1].fnPtr)( reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jstring instruction_set, jstring app_data_dir)>(g_hook->zygote_methods[1].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, fds_to_close, fds_to_ignore, instruction_set, app_data_dir env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, fds_to_close, fds_to_ignore, instruction_set, app_data_dir
); );
ctx.nativeForkAndSpecialize_post(); ctx.nativeForkAndSpecialize_post();
@ -40,7 +39,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
args.is_child_zygote = &is_child_zygote; args.is_child_zygote = &is_child_zygote;
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeForkAndSpecialize_pre(); ctx.nativeForkAndSpecialize_pre();
reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir)>(zygote_methods[2].fnPtr)( reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir)>(g_hook->zygote_methods[2].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, fds_to_close, fds_to_ignore, is_child_zygote, instruction_set, app_data_dir env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, fds_to_close, fds_to_ignore, is_child_zygote, instruction_set, app_data_dir
); );
ctx.nativeForkAndSpecialize_post(); ctx.nativeForkAndSpecialize_post();
@ -57,7 +56,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
args.is_top_app = &is_top_app; args.is_top_app = &is_top_app;
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeForkAndSpecialize_pre(); ctx.nativeForkAndSpecialize_pre();
reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir, jboolean is_top_app)>(zygote_methods[3].fnPtr)( reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir, jboolean is_top_app)>(g_hook->zygote_methods[3].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, fds_to_close, fds_to_ignore, is_child_zygote, instruction_set, app_data_dir, is_top_app env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, fds_to_close, fds_to_ignore, is_child_zygote, instruction_set, app_data_dir, is_top_app
); );
ctx.nativeForkAndSpecialize_post(); ctx.nativeForkAndSpecialize_post();
@ -78,7 +77,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
args.mount_storage_dirs = &mount_storage_dirs; args.mount_storage_dirs = &mount_storage_dirs;
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeForkAndSpecialize_pre(); ctx.nativeForkAndSpecialize_pre();
reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir, jboolean is_top_app, jobjectArray pkg_data_info_list, jobjectArray whitelisted_data_info_list, jboolean mount_data_dirs, jboolean mount_storage_dirs)>(zygote_methods[4].fnPtr)( reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir, jboolean is_top_app, jobjectArray pkg_data_info_list, jobjectArray whitelisted_data_info_list, jboolean mount_data_dirs, jboolean mount_storage_dirs)>(g_hook->zygote_methods[4].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, fds_to_close, fds_to_ignore, is_child_zygote, instruction_set, app_data_dir, is_top_app, pkg_data_info_list, whitelisted_data_info_list, mount_data_dirs, mount_storage_dirs env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, fds_to_close, fds_to_ignore, is_child_zygote, instruction_set, app_data_dir, is_top_app, pkg_data_info_list, whitelisted_data_info_list, mount_data_dirs, mount_storage_dirs
); );
ctx.nativeForkAndSpecialize_post(); ctx.nativeForkAndSpecialize_post();
@ -100,7 +99,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
args.mount_sysprop_overrides = &mount_sysprop_overrides; args.mount_sysprop_overrides = &mount_sysprop_overrides;
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeForkAndSpecialize_pre(); ctx.nativeForkAndSpecialize_pre();
reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir, jboolean is_top_app, jobjectArray pkg_data_info_list, jobjectArray whitelisted_data_info_list, jboolean mount_data_dirs, jboolean mount_storage_dirs, jboolean mount_sysprop_overrides)>(zygote_methods[5].fnPtr)( reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir, jboolean is_top_app, jobjectArray pkg_data_info_list, jobjectArray whitelisted_data_info_list, jboolean mount_data_dirs, jboolean mount_storage_dirs, jboolean mount_sysprop_overrides)>(g_hook->zygote_methods[5].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, fds_to_close, fds_to_ignore, is_child_zygote, instruction_set, app_data_dir, is_top_app, pkg_data_info_list, whitelisted_data_info_list, mount_data_dirs, mount_storage_dirs, mount_sysprop_overrides env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, fds_to_close, fds_to_ignore, is_child_zygote, instruction_set, app_data_dir, is_top_app, pkg_data_info_list, whitelisted_data_info_list, mount_data_dirs, mount_storage_dirs, mount_sysprop_overrides
); );
ctx.nativeForkAndSpecialize_post(); ctx.nativeForkAndSpecialize_post();
@ -114,7 +113,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
AppSpecializeArgs_v5 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir); AppSpecializeArgs_v5 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeForkAndSpecialize_pre(); ctx.nativeForkAndSpecialize_pre();
reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jint _0, jint _1, jstring nice_name, jintArray fds_to_close, jstring instruction_set, jstring app_data_dir)>(zygote_methods[6].fnPtr)( reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jint _0, jint _1, jstring nice_name, jintArray fds_to_close, jstring instruction_set, jstring app_data_dir)>(g_hook->zygote_methods[6].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, _0, _1, nice_name, fds_to_close, instruction_set, app_data_dir env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, _0, _1, nice_name, fds_to_close, instruction_set, app_data_dir
); );
ctx.nativeForkAndSpecialize_post(); ctx.nativeForkAndSpecialize_post();
@ -128,7 +127,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
AppSpecializeArgs_v5 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir); AppSpecializeArgs_v5 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeForkAndSpecialize_pre(); ctx.nativeForkAndSpecialize_pre();
reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jint _2, jint _3, jstring nice_name, jintArray fds_to_close, jstring instruction_set, jstring app_data_dir, jint _4)>(zygote_methods[7].fnPtr)( reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jint _2, jint _3, jstring nice_name, jintArray fds_to_close, jstring instruction_set, jstring app_data_dir, jint _4)>(g_hook->zygote_methods[7].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, _2, _3, nice_name, fds_to_close, instruction_set, app_data_dir, _4 env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, _2, _3, nice_name, fds_to_close, instruction_set, app_data_dir, _4
); );
ctx.nativeForkAndSpecialize_post(); ctx.nativeForkAndSpecialize_post();
@ -143,7 +142,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
args.fds_to_ignore = &fds_to_ignore; args.fds_to_ignore = &fds_to_ignore;
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeForkAndSpecialize_pre(); ctx.nativeForkAndSpecialize_pre();
reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jint _5, jint _6, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jstring instruction_set, jstring app_data_dir)>(zygote_methods[8].fnPtr)( reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jint _5, jint _6, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jstring instruction_set, jstring app_data_dir)>(g_hook->zygote_methods[8].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, _5, _6, nice_name, fds_to_close, fds_to_ignore, instruction_set, app_data_dir env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, _5, _6, nice_name, fds_to_close, fds_to_ignore, instruction_set, app_data_dir
); );
ctx.nativeForkAndSpecialize_post(); ctx.nativeForkAndSpecialize_post();
@ -159,7 +158,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
args.is_child_zygote = &is_child_zygote; args.is_child_zygote = &is_child_zygote;
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeForkAndSpecialize_pre(); ctx.nativeForkAndSpecialize_pre();
reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jint _7, jint _8, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir)>(zygote_methods[9].fnPtr)( reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jint _7, jint _8, jstring nice_name, jintArray fds_to_close, jintArray fds_to_ignore, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir)>(g_hook->zygote_methods[9].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, _7, _8, nice_name, fds_to_close, fds_to_ignore, is_child_zygote, instruction_set, app_data_dir env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, _7, _8, nice_name, fds_to_close, fds_to_ignore, is_child_zygote, instruction_set, app_data_dir
); );
ctx.nativeForkAndSpecialize_post(); ctx.nativeForkAndSpecialize_post();
@ -174,7 +173,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
args.is_child_zygote = &is_child_zygote; args.is_child_zygote = &is_child_zygote;
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeSpecializeAppProcess_pre(); ctx.nativeSpecializeAppProcess_pre();
reinterpret_cast<void(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir)>(zygote_methods[10].fnPtr)( reinterpret_cast<void(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir)>(g_hook->zygote_methods[10].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, is_child_zygote, instruction_set, app_data_dir env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, is_child_zygote, instruction_set, app_data_dir
); );
ctx.nativeSpecializeAppProcess_post(); ctx.nativeSpecializeAppProcess_post();
@ -189,7 +188,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
args.is_top_app = &is_top_app; args.is_top_app = &is_top_app;
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeSpecializeAppProcess_pre(); ctx.nativeSpecializeAppProcess_pre();
reinterpret_cast<void(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir, jboolean is_top_app)>(zygote_methods[11].fnPtr)( reinterpret_cast<void(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir, jboolean is_top_app)>(g_hook->zygote_methods[11].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, is_child_zygote, instruction_set, app_data_dir, is_top_app env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, is_child_zygote, instruction_set, app_data_dir, is_top_app
); );
ctx.nativeSpecializeAppProcess_post(); ctx.nativeSpecializeAppProcess_post();
@ -208,7 +207,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
args.mount_storage_dirs = &mount_storage_dirs; args.mount_storage_dirs = &mount_storage_dirs;
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeSpecializeAppProcess_pre(); ctx.nativeSpecializeAppProcess_pre();
reinterpret_cast<void(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir, jboolean is_top_app, jobjectArray pkg_data_info_list, jobjectArray whitelisted_data_info_list, jboolean mount_data_dirs, jboolean mount_storage_dirs)>(zygote_methods[12].fnPtr)( reinterpret_cast<void(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir, jboolean is_top_app, jobjectArray pkg_data_info_list, jobjectArray whitelisted_data_info_list, jboolean mount_data_dirs, jboolean mount_storage_dirs)>(g_hook->zygote_methods[12].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, is_child_zygote, instruction_set, app_data_dir, is_top_app, pkg_data_info_list, whitelisted_data_info_list, mount_data_dirs, mount_storage_dirs env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, is_child_zygote, instruction_set, app_data_dir, is_top_app, pkg_data_info_list, whitelisted_data_info_list, mount_data_dirs, mount_storage_dirs
); );
ctx.nativeSpecializeAppProcess_post(); ctx.nativeSpecializeAppProcess_post();
@ -228,7 +227,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
args.mount_sysprop_overrides = &mount_sysprop_overrides; args.mount_sysprop_overrides = &mount_sysprop_overrides;
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeSpecializeAppProcess_pre(); ctx.nativeSpecializeAppProcess_pre();
reinterpret_cast<void(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir, jboolean is_top_app, jobjectArray pkg_data_info_list, jobjectArray whitelisted_data_info_list, jboolean mount_data_dirs, jboolean mount_storage_dirs, jboolean mount_sysprop_overrides)>(zygote_methods[13].fnPtr)( reinterpret_cast<void(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jstring nice_name, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir, jboolean is_top_app, jobjectArray pkg_data_info_list, jobjectArray whitelisted_data_info_list, jboolean mount_data_dirs, jboolean mount_storage_dirs, jboolean mount_sysprop_overrides)>(g_hook->zygote_methods[13].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, is_child_zygote, instruction_set, app_data_dir, is_top_app, pkg_data_info_list, whitelisted_data_info_list, mount_data_dirs, mount_storage_dirs, mount_sysprop_overrides env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, is_child_zygote, instruction_set, app_data_dir, is_top_app, pkg_data_info_list, whitelisted_data_info_list, mount_data_dirs, mount_storage_dirs, mount_sysprop_overrides
); );
ctx.nativeSpecializeAppProcess_post(); ctx.nativeSpecializeAppProcess_post();
@ -242,7 +241,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
args.is_child_zygote = &is_child_zygote; args.is_child_zygote = &is_child_zygote;
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeSpecializeAppProcess_pre(); ctx.nativeSpecializeAppProcess_pre();
reinterpret_cast<void(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jint _9, jint _10, jstring nice_name, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir)>(zygote_methods[14].fnPtr)( reinterpret_cast<void(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jint mount_external, jstring se_info, jint _9, jint _10, jstring nice_name, jboolean is_child_zygote, jstring instruction_set, jstring app_data_dir)>(g_hook->zygote_methods[14].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, _9, _10, nice_name, is_child_zygote, instruction_set, app_data_dir env, clazz, uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, _9, _10, nice_name, is_child_zygote, instruction_set, app_data_dir
); );
ctx.nativeSpecializeAppProcess_post(); ctx.nativeSpecializeAppProcess_post();
@ -255,7 +254,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
ServerSpecializeArgs_v1 args(uid, gid, gids, runtime_flags, permitted_capabilities, effective_capabilities); ServerSpecializeArgs_v1 args(uid, gid, gids, runtime_flags, permitted_capabilities, effective_capabilities);
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeForkSystemServer_pre(); ctx.nativeForkSystemServer_pre();
reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jlong permitted_capabilities, jlong effective_capabilities)>(zygote_methods[15].fnPtr)( reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jlong permitted_capabilities, jlong effective_capabilities)>(g_hook->zygote_methods[15].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, rlimits, permitted_capabilities, effective_capabilities env, clazz, uid, gid, gids, runtime_flags, rlimits, permitted_capabilities, effective_capabilities
); );
ctx.nativeForkSystemServer_post(); ctx.nativeForkSystemServer_post();
@ -269,7 +268,7 @@ static std::array<JNINativeMethod, 17> zygote_methods = {{
ServerSpecializeArgs_v1 args(uid, gid, gids, runtime_flags, permitted_capabilities, effective_capabilities); ServerSpecializeArgs_v1 args(uid, gid, gids, runtime_flags, permitted_capabilities, effective_capabilities);
ZygiskContext ctx(env, &args); ZygiskContext ctx(env, &args);
ctx.nativeForkSystemServer_pre(); ctx.nativeForkSystemServer_pre();
reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jint _11, jint _12, jobjectArray rlimits, jlong permitted_capabilities, jlong effective_capabilities)>(zygote_methods[16].fnPtr)( reinterpret_cast<jint(*)(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jint _11, jint _12, jobjectArray rlimits, jlong permitted_capabilities, jlong effective_capabilities)>(g_hook->zygote_methods[16].fnPtr)(
env, clazz, uid, gid, gids, runtime_flags, _11, _12, rlimits, permitted_capabilities, effective_capabilities env, clazz, uid, gid, gids, runtime_flags, _11, _12, rlimits, permitted_capabilities, effective_capabilities
); );
ctx.nativeForkSystemServer_post(); ctx.nativeForkSystemServer_post();

2
native/src/core/zygisk/zygisk.hpp
View File

@ -31,7 +31,7 @@ enum : int {
#define ZLOGV(...) ZLOGD(__VA_ARGS__) #define ZLOGV(...) ZLOGD(__VA_ARGS__)
//#define ZLOGV(...) (void*)0 //#define ZLOGV(...) (void*)0
void hook_functions(); void hook_entry();
void hookJniNativeMethods(JNIEnv *env, const char *clz, JNINativeMethod *methods, int numMethods); void hookJniNativeMethods(JNIEnv *env, const char *clz, JNINativeMethod *methods, int numMethods);
int remote_get_info(int uid, const char *process, uint32_t *flags, std::vector<int> &fds); int remote_get_info(int uid, const char *process, uint32_t *flags, std::vector<int> &fds);