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Zygisk injector (#1)
* fix x86 * add lsplt * transplant from zygisk * api v4 Signed-off-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com> * Remove redundant logs Signed-off-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com> --------- Signed-off-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>
This commit is contained in:
@@ -0,0 +1,341 @@
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/* Copyright 2022 John "topjohnwu" Wu
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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// This is the public API for Zygisk modules.
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// DO NOT MODIFY ANY CODE IN THIS HEADER.
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// WARNING: this file may contain changes that are not finalized.
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// Always use the following published header for development:
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// https://github.com/topjohnwu/zygisk-module-sample/blob/master/module/jni/zygisk.hpp
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#pragma once
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#include <jni.h>
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#define ZYGISK_API_VERSION 4
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/*
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Define a class and inherit zygisk::ModuleBase to implement the functionality of your module.
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Use the macro REGISTER_ZYGISK_MODULE(className) to register that class to Zygisk.
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Please note that modules will only be loaded after zygote has forked the child process.
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THIS MEANS ALL OF YOUR CODE RUNS IN THE APP/SYSTEM SERVER PROCESS, NOT THE ZYGOTE DAEMON!
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Example code:
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static jint (*orig_logger_entry_max)(JNIEnv *env);
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static jint my_logger_entry_max(JNIEnv *env) { return orig_logger_entry_max(env); }
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static void example_handler(int socket) { ... }
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class ExampleModule : public zygisk::ModuleBase {
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public:
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void onLoad(zygisk::Api *api, JNIEnv *env) override {
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this->api = api;
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this->env = env;
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}
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void preAppSpecialize(zygisk::AppSpecializeArgs *args) override {
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JNINativeMethod methods[] = {
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{ "logger_entry_max_payload_native", "()I", (void*) my_logger_entry_max },
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};
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api->hookJniNativeMethods(env, "android/util/Log", methods, 1);
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*(void **) &orig_logger_entry_max = methods[0].fnPtr;
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}
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private:
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zygisk::Api *api;
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JNIEnv *env;
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};
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REGISTER_ZYGISK_MODULE(ExampleModule)
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REGISTER_ZYGISK_COMPANION(example_handler)
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*/
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namespace zygisk {
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struct Api;
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struct AppSpecializeArgs;
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struct ServerSpecializeArgs;
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class ModuleBase {
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public:
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// This method is called as soon as the module is loaded into the target process.
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// A Zygisk API handle will be passed as an argument.
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virtual void onLoad([[maybe_unused]] Api *api, [[maybe_unused]] JNIEnv *env) {}
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// This method is called before the app process is specialized.
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// At this point, the process just got forked from zygote, but no app specific specialization
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// is applied. This means that the process does not have any sandbox restrictions and
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// still runs with the same privilege of zygote.
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//
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// All the arguments that will be sent and used for app specialization is passed as a single
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// AppSpecializeArgs object. You can read and overwrite these arguments to change how the app
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// process will be specialized.
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//
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// If you need to run some operations as superuser, you can call Api::connectCompanion() to
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// get a socket to do IPC calls with a root companion process.
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// See Api::connectCompanion() for more info.
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virtual void preAppSpecialize([[maybe_unused]] AppSpecializeArgs *args) {}
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// This method is called after the app process is specialized.
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// At this point, the process has all sandbox restrictions enabled for this application.
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// This means that this method runs as the same privilege of the app's own code.
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virtual void postAppSpecialize([[maybe_unused]] const AppSpecializeArgs *args) {}
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// This method is called before the system server process is specialized.
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// See preAppSpecialize(args) for more info.
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virtual void preServerSpecialize([[maybe_unused]] ServerSpecializeArgs *args) {}
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// This method is called after the system server process is specialized.
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// At this point, the process runs with the privilege of system_server.
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virtual void postServerSpecialize([[maybe_unused]] const ServerSpecializeArgs *args) {}
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};
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struct AppSpecializeArgs {
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// Required arguments. These arguments are guaranteed to exist on all Android versions.
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jint &uid;
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jint &gid;
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jintArray &gids;
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jint &runtime_flags;
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jobjectArray &rlimits;
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jint &mount_external;
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jstring &se_info;
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jstring &nice_name;
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jstring &instruction_set;
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jstring &app_data_dir;
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// Optional arguments. Please check whether the pointer is null before de-referencing
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jintArray *const fds_to_ignore;
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jboolean *const is_child_zygote;
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jboolean *const is_top_app;
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jobjectArray *const pkg_data_info_list;
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jobjectArray *const whitelisted_data_info_list;
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jboolean *const mount_data_dirs;
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jboolean *const mount_storage_dirs;
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AppSpecializeArgs() = delete;
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};
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struct ServerSpecializeArgs {
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jint &uid;
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jint &gid;
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jintArray &gids;
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jint &runtime_flags;
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jlong &permitted_capabilities;
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jlong &effective_capabilities;
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ServerSpecializeArgs() = delete;
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};
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namespace internal {
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struct api_table;
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template <class T> void entry_impl(api_table *, JNIEnv *);
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}
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// These values are used in Api::setOption(Option)
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enum Option : int {
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// Force Magisk's denylist unmount routines to run on this process.
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//
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// Setting this option only makes sense in preAppSpecialize.
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// The actual unmounting happens during app process specialization.
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//
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// Set this option to force all Magisk and modules' files to be unmounted from the
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// mount namespace of the process, regardless of the denylist enforcement status.
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FORCE_DENYLIST_UNMOUNT = 0,
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// When this option is set, your module's library will be dlclose-ed after post[XXX]Specialize.
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// Be aware that after dlclose-ing your module, all of your code will be unmapped from memory.
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// YOU MUST NOT ENABLE THIS OPTION AFTER HOOKING ANY FUNCTIONS IN THE PROCESS.
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DLCLOSE_MODULE_LIBRARY = 1,
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};
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// Bit masks of the return value of Api::getFlags()
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enum StateFlag : uint32_t {
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// The user has granted root access to the current process
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PROCESS_GRANTED_ROOT = (1u << 0),
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// The current process was added on the denylist
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PROCESS_ON_DENYLIST = (1u << 1),
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};
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// All API methods will stop working after post[XXX]Specialize as Zygisk will be unloaded
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// from the specialized process afterwards.
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struct Api {
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// Connect to a root companion process and get a Unix domain socket for IPC.
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//
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// This API only works in the pre[XXX]Specialize methods due to SELinux restrictions.
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//
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// The pre[XXX]Specialize methods run with the same privilege of zygote.
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// If you would like to do some operations with superuser permissions, register a handler
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// function that would be called in the root process with REGISTER_ZYGISK_COMPANION(func).
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// Another good use case for a companion process is that if you want to share some resources
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// across multiple processes, hold the resources in the companion process and pass it over.
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//
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// The root companion process is ABI aware; that is, when calling this method from a 32-bit
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// process, you will be connected to a 32-bit companion process, and vice versa for 64-bit.
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//
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// Returns a file descriptor to a socket that is connected to the socket passed to your
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// module's companion request handler. Returns -1 if the connection attempt failed.
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int connectCompanion();
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// Get the file descriptor of the root folder of the current module.
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//
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// This API only works in the pre[XXX]Specialize methods.
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// Accessing the directory returned is only possible in the pre[XXX]Specialize methods
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// or in the root companion process (assuming that you sent the fd over the socket).
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// Both restrictions are due to SELinux and UID.
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//
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// Returns -1 if errors occurred.
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int getModuleDir();
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// Set various options for your module.
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// Please note that this method accepts one single option at a time.
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// Check zygisk::Option for the full list of options available.
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void setOption(Option opt);
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// Get information about the current process.
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// Returns bitwise-or'd zygisk::StateFlag values.
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uint32_t getFlags();
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// Exempt the provided file descriptor from being automatically closed.
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//
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// This API only make sense in preAppSpecialize; calling this method in any other situation
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// is either a no-op (returns true) or an error (returns false).
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//
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// When false is returned, the provided file descriptor will eventually be closed by zygote.
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bool exemptFd(int fd);
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// Hook JNI native methods for a class
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//
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// Lookup all registered JNI native methods and replace it with your own methods.
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// The original function pointer will be saved in each JNINativeMethod's fnPtr.
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// If no matching class, method name, or signature is found, that specific JNINativeMethod.fnPtr
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// will be set to nullptr.
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void hookJniNativeMethods(JNIEnv *env, const char *className, JNINativeMethod *methods, int numMethods);
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// For ELFs loaded in memory matching `inode`, replace function `symbol` with `newFunc`.
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// If `oldFunc` is not nullptr, the original function pointer will be saved to `oldFunc`.
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void pltHookRegister(dev_t dev, ino_t inode, const char *symbol, void *newFunc, void **oldFunc);
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// Commit all the hooks that was previously registered.
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// Returns false if an error occurred.
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bool pltHookCommit();
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private:
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internal::api_table *tbl;
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template <class T> friend void internal::entry_impl(internal::api_table *, JNIEnv *);
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};
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// Register a class as a Zygisk module
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#define REGISTER_ZYGISK_MODULE(clazz) \
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void zygisk_module_entry(zygisk::internal::api_table *table, JNIEnv *env) { \
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zygisk::internal::entry_impl<clazz>(table, env); \
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}
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// Register a root companion request handler function for your module
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//
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// The function runs in a superuser daemon process and handles a root companion request from
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// your module running in a target process. The function has to accept an integer value,
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// which is a socket that is connected to the target process.
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// See Api::connectCompanion() for more info.
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//
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// NOTE: the function can run concurrently on multiple threads.
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// Be aware of race conditions if you have a globally shared resource.
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#define REGISTER_ZYGISK_COMPANION(func) \
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void zygisk_companion_entry(int client) { func(client); }
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/*********************************************************
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* The following is internal ABI implementation detail.
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* You do not have to understand what it is doing.
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*********************************************************/
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namespace internal {
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struct module_abi {
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long api_version;
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ModuleBase *impl;
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void (*preAppSpecialize)(ModuleBase *, AppSpecializeArgs *);
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void (*postAppSpecialize)(ModuleBase *, const AppSpecializeArgs *);
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void (*preServerSpecialize)(ModuleBase *, ServerSpecializeArgs *);
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void (*postServerSpecialize)(ModuleBase *, const ServerSpecializeArgs *);
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module_abi(ModuleBase *module) : api_version(ZYGISK_API_VERSION), impl(module) {
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preAppSpecialize = [](auto m, auto args) { m->preAppSpecialize(args); };
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postAppSpecialize = [](auto m, auto args) { m->postAppSpecialize(args); };
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preServerSpecialize = [](auto m, auto args) { m->preServerSpecialize(args); };
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postServerSpecialize = [](auto m, auto args) { m->postServerSpecialize(args); };
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}
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};
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struct api_table {
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// Base
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void *impl;
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bool (*registerModule)(api_table *, module_abi *);
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void (*hookJniNativeMethods)(JNIEnv *, const char *, JNINativeMethod *, int);
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void (*pltHookRegister)(dev_t, ino_t, const char *, void *, void **);
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bool (*exemptFd)(int);
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bool (*pltHookCommit)();
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int (*connectCompanion)(void * /* impl */);
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void (*setOption)(void * /* impl */, Option);
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int (*getModuleDir)(void * /* impl */);
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uint32_t (*getFlags)(void * /* impl */);
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};
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template <class T>
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void entry_impl(api_table *table, JNIEnv *env) {
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ModuleBase *module = new T();
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if (!table->registerModule(table, new module_abi(module)))
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return;
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auto api = new Api();
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api->tbl = table;
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module->onLoad(api, env);
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}
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} // namespace internal
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inline int Api::connectCompanion() {
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return tbl->connectCompanion ? tbl->connectCompanion(tbl->impl) : -1;
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}
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inline int Api::getModuleDir() {
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return tbl->getModuleDir ? tbl->getModuleDir(tbl->impl) : -1;
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}
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inline void Api::setOption(Option opt) {
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if (tbl->setOption) tbl->setOption(tbl->impl, opt);
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}
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inline uint32_t Api::getFlags() {
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return tbl->getFlags ? tbl->getFlags(tbl->impl) : 0;
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}
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inline bool Api::exemptFd(int fd) {
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return tbl->exemptFd != nullptr && tbl->exemptFd(fd);
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}
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inline void Api::hookJniNativeMethods(JNIEnv *env, const char *className, JNINativeMethod *methods, int numMethods) {
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if (tbl->hookJniNativeMethods) tbl->hookJniNativeMethods(env, className, methods, numMethods);
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}
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inline void Api::pltHookRegister(dev_t dev, ino_t inode, const char *symbol, void *newFunc, void **oldFunc) {
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if (tbl->pltHookRegister) tbl->pltHookRegister(dev, inode, symbol, newFunc, oldFunc);
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}
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inline bool Api::pltHookCommit() {
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return tbl->pltHookCommit != nullptr && tbl->pltHookCommit();
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}
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} // namespace zygisk
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extern "C" {
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[[gnu::visibility("default")]] [[gnu::used]]
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void zygisk_module_entry(zygisk::internal::api_table *, JNIEnv *);
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[[gnu::visibility("default")]] [[gnu::used]]
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void zygisk_companion_entry(int);
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} // extern "C"
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@@ -9,7 +9,6 @@
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#else
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# define LP_SELECT(lp32, lp64) lp32
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#endif
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constexpr std::string_view kZygiskSocket = LP_SELECT("zygiskd32", "zygiskd64") "socket_placeholder";
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class UniqueFd {
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@@ -46,9 +45,10 @@ namespace zygiskd {
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struct Module {
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std::string name;
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void* handle;
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int id;
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inline explicit Module(std::string name, void* handle)
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: name(name), handle(handle) {}
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inline explicit Module(int id, std::string name, void* handle)
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: name(name), handle(handle), id(id) {}
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};
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enum class SocketAction {
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@@ -56,6 +56,7 @@ namespace zygiskd {
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ReadNativeBridge,
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ReadModules,
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RequestCompanionSocket,
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GetModuleDir,
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};
|
||||
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bool PingHeartbeat();
|
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@@ -63,4 +64,8 @@ namespace zygiskd {
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||||
std::string ReadNativeBridge();
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||||
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std::vector<Module> ReadModules();
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||||
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UniqueFd ConnectCompanion(size_t index);
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||||
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||||
UniqueFd GetModuleDir(size_t index);
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}
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||||
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||||
@@ -0,0 +1,52 @@
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#pragma once
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||||
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||||
#include <pthread.h>
|
||||
#include <string_view>
|
||||
#include <functional>
|
||||
#include <map>
|
||||
#include <atomic>
|
||||
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||||
#include <daemon.hpp>
|
||||
|
||||
#define ISOLATED_MAGIC "isolated"
|
||||
|
||||
namespace DenyRequest {
|
||||
enum : int {
|
||||
ENFORCE,
|
||||
DISABLE,
|
||||
ADD,
|
||||
REMOVE,
|
||||
LIST,
|
||||
STATUS,
|
||||
|
||||
END
|
||||
};
|
||||
}
|
||||
|
||||
namespace DenyResponse {
|
||||
enum : int {
|
||||
OK,
|
||||
ENFORCED,
|
||||
NOT_ENFORCED,
|
||||
ITEM_EXIST,
|
||||
ITEM_NOT_EXIST,
|
||||
INVALID_PKG,
|
||||
NO_NS,
|
||||
ERROR,
|
||||
|
||||
END
|
||||
};
|
||||
}
|
||||
|
||||
// CLI entries
|
||||
int enable_deny();
|
||||
int disable_deny();
|
||||
int add_list(int client);
|
||||
int rm_list(int client);
|
||||
void ls_list(int client);
|
||||
|
||||
// Utility functions
|
||||
bool is_deny_target(int uid, std::string_view process);
|
||||
void revert_unmount();
|
||||
|
||||
extern std::atomic<bool> denylist_enforced;
|
||||
@@ -0,0 +1,137 @@
|
||||
/*
|
||||
* This file is part of LSPosed.
|
||||
*
|
||||
* LSPosed is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* LSPosed is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with LSPosed. If not, see <https://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Copyright (C) 2019 Swift Gan
|
||||
* Copyright (C) 2021 LSPosed Contributors
|
||||
*/
|
||||
#ifndef SANDHOOK_ELF_UTIL_H
|
||||
#define SANDHOOK_ELF_UTIL_H
|
||||
|
||||
#include <string_view>
|
||||
#include <unordered_map>
|
||||
#include <linux/elf.h>
|
||||
#include <sys/types.h>
|
||||
#include <link.h>
|
||||
#include <string>
|
||||
|
||||
#define SHT_GNU_HASH 0x6ffffff6
|
||||
|
||||
namespace SandHook {
|
||||
class ElfImg {
|
||||
public:
|
||||
|
||||
ElfImg(std::string_view elf);
|
||||
|
||||
constexpr ElfW(Addr) getSymbOffset(std::string_view name) const {
|
||||
return getSymbOffset(name, GnuHash(name), ElfHash(name));
|
||||
}
|
||||
|
||||
constexpr ElfW(Addr) getSymbAddress(std::string_view name) const {
|
||||
ElfW(Addr) offset = getSymbOffset(name);
|
||||
if (offset > 0 && base != nullptr) {
|
||||
return static_cast<ElfW(Addr)>((uintptr_t) base + offset - bias);
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
template<typename T>
|
||||
requires(std::is_pointer_v<T>)
|
||||
constexpr T getSymbAddress(std::string_view name) const {
|
||||
return reinterpret_cast<T>(getSymbAddress(name));
|
||||
}
|
||||
|
||||
bool isValid() const {
|
||||
return base != nullptr;
|
||||
}
|
||||
|
||||
const std::string name() const {
|
||||
return elf;
|
||||
}
|
||||
|
||||
~ElfImg();
|
||||
|
||||
private:
|
||||
ElfW(Addr) getSymbOffset(std::string_view name, uint32_t gnu_hash, uint32_t elf_hash) const;
|
||||
|
||||
ElfW(Addr) ElfLookup(std::string_view name, uint32_t hash) const;
|
||||
|
||||
ElfW(Addr) GnuLookup(std::string_view name, uint32_t hash) const;
|
||||
|
||||
ElfW(Addr) LinearLookup(std::string_view name) const;
|
||||
|
||||
constexpr static uint32_t ElfHash(std::string_view name);
|
||||
|
||||
constexpr static uint32_t GnuHash(std::string_view name);
|
||||
|
||||
bool findModuleBase();
|
||||
|
||||
std::string elf;
|
||||
void *base = nullptr;
|
||||
char *buffer = nullptr;
|
||||
off_t size = 0;
|
||||
off_t bias = -4396;
|
||||
ElfW(Ehdr) *header = nullptr;
|
||||
ElfW(Shdr) *section_header = nullptr;
|
||||
ElfW(Shdr) *symtab = nullptr;
|
||||
ElfW(Shdr) *strtab = nullptr;
|
||||
ElfW(Shdr) *dynsym = nullptr;
|
||||
ElfW(Sym) *symtab_start = nullptr;
|
||||
ElfW(Sym) *dynsym_start = nullptr;
|
||||
ElfW(Sym) *strtab_start = nullptr;
|
||||
ElfW(Off) symtab_count = 0;
|
||||
ElfW(Off) symstr_offset = 0;
|
||||
ElfW(Off) symstr_offset_for_symtab = 0;
|
||||
ElfW(Off) symtab_offset = 0;
|
||||
ElfW(Off) dynsym_offset = 0;
|
||||
ElfW(Off) symtab_size = 0;
|
||||
|
||||
uint32_t nbucket_{};
|
||||
uint32_t *bucket_ = nullptr;
|
||||
uint32_t *chain_ = nullptr;
|
||||
|
||||
uint32_t gnu_nbucket_{};
|
||||
uint32_t gnu_symndx_{};
|
||||
uint32_t gnu_bloom_size_;
|
||||
uint32_t gnu_shift2_;
|
||||
uintptr_t *gnu_bloom_filter_;
|
||||
uint32_t *gnu_bucket_;
|
||||
uint32_t *gnu_chain_;
|
||||
|
||||
mutable std::unordered_map<std::string_view, ElfW(Sym) *> symtabs_;
|
||||
};
|
||||
|
||||
constexpr uint32_t ElfImg::ElfHash(std::string_view name) {
|
||||
uint32_t h = 0, g;
|
||||
for (unsigned char p: name) {
|
||||
h = (h << 4) + p;
|
||||
g = h & 0xf0000000;
|
||||
h ^= g;
|
||||
h ^= g >> 24;
|
||||
}
|
||||
return h;
|
||||
}
|
||||
|
||||
constexpr uint32_t ElfImg::GnuHash(std::string_view name) {
|
||||
uint32_t h = 5381;
|
||||
for (unsigned char p: name) {
|
||||
h += (h << 5) + p;
|
||||
}
|
||||
return h;
|
||||
}
|
||||
}
|
||||
|
||||
#endif //SANDHOOK_ELF_UTIL_H
|
||||
@@ -0,0 +1,324 @@
|
||||
// Generated by gen_jni_hooks.py
|
||||
|
||||
namespace {
|
||||
|
||||
void *nativeForkAndSpecialize_orig = nullptr;
|
||||
[[clang::no_stack_protector]] jint nativeForkAndSpecialize_l(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) {
|
||||
AppSpecializeArgs_v3 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeForkAndSpecialize_pre();
|
||||
reinterpret_cast<decltype(&nativeForkAndSpecialize_l)>(nativeForkAndSpecialize_orig)(
|
||||
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();
|
||||
return ctx.pid;
|
||||
}
|
||||
[[clang::no_stack_protector]] jint nativeForkAndSpecialize_o(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) {
|
||||
AppSpecializeArgs_v3 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
|
||||
args.fds_to_ignore = &fds_to_ignore;
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeForkAndSpecialize_pre();
|
||||
reinterpret_cast<decltype(&nativeForkAndSpecialize_o)>(nativeForkAndSpecialize_orig)(
|
||||
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();
|
||||
return ctx.pid;
|
||||
}
|
||||
[[clang::no_stack_protector]] jint nativeForkAndSpecialize_p(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) {
|
||||
AppSpecializeArgs_v3 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
|
||||
args.fds_to_ignore = &fds_to_ignore;
|
||||
args.is_child_zygote = &is_child_zygote;
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeForkAndSpecialize_pre();
|
||||
reinterpret_cast<decltype(&nativeForkAndSpecialize_p)>(nativeForkAndSpecialize_orig)(
|
||||
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();
|
||||
return ctx.pid;
|
||||
}
|
||||
[[clang::no_stack_protector]] jint nativeForkAndSpecialize_q_alt(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) {
|
||||
AppSpecializeArgs_v3 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
|
||||
args.fds_to_ignore = &fds_to_ignore;
|
||||
args.is_child_zygote = &is_child_zygote;
|
||||
args.is_top_app = &is_top_app;
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeForkAndSpecialize_pre();
|
||||
reinterpret_cast<decltype(&nativeForkAndSpecialize_q_alt)>(nativeForkAndSpecialize_orig)(
|
||||
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();
|
||||
return ctx.pid;
|
||||
}
|
||||
[[clang::no_stack_protector]] jint nativeForkAndSpecialize_r(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) {
|
||||
AppSpecializeArgs_v3 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
|
||||
args.fds_to_ignore = &fds_to_ignore;
|
||||
args.is_child_zygote = &is_child_zygote;
|
||||
args.is_top_app = &is_top_app;
|
||||
args.pkg_data_info_list = &pkg_data_info_list;
|
||||
args.whitelisted_data_info_list = &whitelisted_data_info_list;
|
||||
args.mount_data_dirs = &mount_data_dirs;
|
||||
args.mount_storage_dirs = &mount_storage_dirs;
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeForkAndSpecialize_pre();
|
||||
reinterpret_cast<decltype(&nativeForkAndSpecialize_r)>(nativeForkAndSpecialize_orig)(
|
||||
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();
|
||||
return ctx.pid;
|
||||
}
|
||||
[[clang::no_stack_protector]] jint nativeForkAndSpecialize_samsung_m(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) {
|
||||
AppSpecializeArgs_v3 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeForkAndSpecialize_pre();
|
||||
reinterpret_cast<decltype(&nativeForkAndSpecialize_samsung_m)>(nativeForkAndSpecialize_orig)(
|
||||
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();
|
||||
return ctx.pid;
|
||||
}
|
||||
[[clang::no_stack_protector]] jint nativeForkAndSpecialize_samsung_n(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) {
|
||||
AppSpecializeArgs_v3 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeForkAndSpecialize_pre();
|
||||
reinterpret_cast<decltype(&nativeForkAndSpecialize_samsung_n)>(nativeForkAndSpecialize_orig)(
|
||||
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();
|
||||
return ctx.pid;
|
||||
}
|
||||
[[clang::no_stack_protector]] jint nativeForkAndSpecialize_samsung_o(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) {
|
||||
AppSpecializeArgs_v3 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
|
||||
args.fds_to_ignore = &fds_to_ignore;
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeForkAndSpecialize_pre();
|
||||
reinterpret_cast<decltype(&nativeForkAndSpecialize_samsung_o)>(nativeForkAndSpecialize_orig)(
|
||||
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();
|
||||
return ctx.pid;
|
||||
}
|
||||
[[clang::no_stack_protector]] jint nativeForkAndSpecialize_samsung_p(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) {
|
||||
AppSpecializeArgs_v3 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
|
||||
args.fds_to_ignore = &fds_to_ignore;
|
||||
args.is_child_zygote = &is_child_zygote;
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeForkAndSpecialize_pre();
|
||||
reinterpret_cast<decltype(&nativeForkAndSpecialize_samsung_p)>(nativeForkAndSpecialize_orig)(
|
||||
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();
|
||||
return ctx.pid;
|
||||
}
|
||||
const JNINativeMethod nativeForkAndSpecialize_methods[] = {
|
||||
{
|
||||
"nativeForkAndSpecialize",
|
||||
"(II[II[[IILjava/lang/String;Ljava/lang/String;[ILjava/lang/String;Ljava/lang/String;)I",
|
||||
(void *) &nativeForkAndSpecialize_l
|
||||
},
|
||||
{
|
||||
"nativeForkAndSpecialize",
|
||||
"(II[II[[IILjava/lang/String;Ljava/lang/String;[I[ILjava/lang/String;Ljava/lang/String;)I",
|
||||
(void *) &nativeForkAndSpecialize_o
|
||||
},
|
||||
{
|
||||
"nativeForkAndSpecialize",
|
||||
"(II[II[[IILjava/lang/String;Ljava/lang/String;[I[IZLjava/lang/String;Ljava/lang/String;)I",
|
||||
(void *) &nativeForkAndSpecialize_p
|
||||
},
|
||||
{
|
||||
"nativeForkAndSpecialize",
|
||||
"(II[II[[IILjava/lang/String;Ljava/lang/String;[I[IZLjava/lang/String;Ljava/lang/String;Z)I",
|
||||
(void *) &nativeForkAndSpecialize_q_alt
|
||||
},
|
||||
{
|
||||
"nativeForkAndSpecialize",
|
||||
"(II[II[[IILjava/lang/String;Ljava/lang/String;[I[IZLjava/lang/String;Ljava/lang/String;Z[Ljava/lang/String;[Ljava/lang/String;ZZ)I",
|
||||
(void *) &nativeForkAndSpecialize_r
|
||||
},
|
||||
{
|
||||
"nativeForkAndSpecialize",
|
||||
"(II[II[[IILjava/lang/String;IILjava/lang/String;[ILjava/lang/String;Ljava/lang/String;)I",
|
||||
(void *) &nativeForkAndSpecialize_samsung_m
|
||||
},
|
||||
{
|
||||
"nativeForkAndSpecialize",
|
||||
"(II[II[[IILjava/lang/String;IILjava/lang/String;[ILjava/lang/String;Ljava/lang/String;I)I",
|
||||
(void *) &nativeForkAndSpecialize_samsung_n
|
||||
},
|
||||
{
|
||||
"nativeForkAndSpecialize",
|
||||
"(II[II[[IILjava/lang/String;IILjava/lang/String;[I[ILjava/lang/String;Ljava/lang/String;)I",
|
||||
(void *) &nativeForkAndSpecialize_samsung_o
|
||||
},
|
||||
{
|
||||
"nativeForkAndSpecialize",
|
||||
"(II[II[[IILjava/lang/String;IILjava/lang/String;[I[IZLjava/lang/String;Ljava/lang/String;)I",
|
||||
(void *) &nativeForkAndSpecialize_samsung_p
|
||||
},
|
||||
};
|
||||
constexpr int nativeForkAndSpecialize_methods_num = std::size(nativeForkAndSpecialize_methods);
|
||||
|
||||
void *nativeSpecializeAppProcess_orig = nullptr;
|
||||
[[clang::no_stack_protector]] void nativeSpecializeAppProcess_q(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) {
|
||||
AppSpecializeArgs_v3 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
|
||||
args.is_child_zygote = &is_child_zygote;
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeSpecializeAppProcess_pre();
|
||||
reinterpret_cast<decltype(&nativeSpecializeAppProcess_q)>(nativeSpecializeAppProcess_orig)(
|
||||
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();
|
||||
}
|
||||
[[clang::no_stack_protector]] void nativeSpecializeAppProcess_q_alt(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) {
|
||||
AppSpecializeArgs_v3 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
|
||||
args.is_child_zygote = &is_child_zygote;
|
||||
args.is_top_app = &is_top_app;
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeSpecializeAppProcess_pre();
|
||||
reinterpret_cast<decltype(&nativeSpecializeAppProcess_q_alt)>(nativeSpecializeAppProcess_orig)(
|
||||
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();
|
||||
}
|
||||
[[clang::no_stack_protector]] void nativeSpecializeAppProcess_r(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) {
|
||||
AppSpecializeArgs_v3 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
|
||||
args.is_child_zygote = &is_child_zygote;
|
||||
args.is_top_app = &is_top_app;
|
||||
args.pkg_data_info_list = &pkg_data_info_list;
|
||||
args.whitelisted_data_info_list = &whitelisted_data_info_list;
|
||||
args.mount_data_dirs = &mount_data_dirs;
|
||||
args.mount_storage_dirs = &mount_storage_dirs;
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeSpecializeAppProcess_pre();
|
||||
reinterpret_cast<decltype(&nativeSpecializeAppProcess_r)>(nativeSpecializeAppProcess_orig)(
|
||||
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();
|
||||
}
|
||||
[[clang::no_stack_protector]] void nativeSpecializeAppProcess_samsung_q(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) {
|
||||
AppSpecializeArgs_v3 args(uid, gid, gids, runtime_flags, rlimits, mount_external, se_info, nice_name, instruction_set, app_data_dir);
|
||||
args.is_child_zygote = &is_child_zygote;
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeSpecializeAppProcess_pre();
|
||||
reinterpret_cast<decltype(&nativeSpecializeAppProcess_samsung_q)>(nativeSpecializeAppProcess_orig)(
|
||||
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();
|
||||
}
|
||||
const JNINativeMethod nativeSpecializeAppProcess_methods[] = {
|
||||
{
|
||||
"nativeSpecializeAppProcess",
|
||||
"(II[II[[IILjava/lang/String;Ljava/lang/String;ZLjava/lang/String;Ljava/lang/String;)V",
|
||||
(void *) &nativeSpecializeAppProcess_q
|
||||
},
|
||||
{
|
||||
"nativeSpecializeAppProcess",
|
||||
"(II[II[[IILjava/lang/String;Ljava/lang/String;ZLjava/lang/String;Ljava/lang/String;Z)V",
|
||||
(void *) &nativeSpecializeAppProcess_q_alt
|
||||
},
|
||||
{
|
||||
"nativeSpecializeAppProcess",
|
||||
"(II[II[[IILjava/lang/String;Ljava/lang/String;ZLjava/lang/String;Ljava/lang/String;Z[Ljava/lang/String;[Ljava/lang/String;ZZ)V",
|
||||
(void *) &nativeSpecializeAppProcess_r
|
||||
},
|
||||
{
|
||||
"nativeSpecializeAppProcess",
|
||||
"(II[II[[IILjava/lang/String;IILjava/lang/String;ZLjava/lang/String;Ljava/lang/String;)V",
|
||||
(void *) &nativeSpecializeAppProcess_samsung_q
|
||||
},
|
||||
};
|
||||
constexpr int nativeSpecializeAppProcess_methods_num = std::size(nativeSpecializeAppProcess_methods);
|
||||
|
||||
void *nativeForkSystemServer_orig = nullptr;
|
||||
[[clang::no_stack_protector]] jint nativeForkSystemServer_l(JNIEnv *env, jclass clazz, jint uid, jint gid, jintArray gids, jint runtime_flags, jobjectArray rlimits, jlong permitted_capabilities, jlong effective_capabilities) {
|
||||
ServerSpecializeArgs_v1 args(uid, gid, gids, runtime_flags, permitted_capabilities, effective_capabilities);
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeForkSystemServer_pre();
|
||||
reinterpret_cast<decltype(&nativeForkSystemServer_l)>(nativeForkSystemServer_orig)(
|
||||
env, clazz, uid, gid, gids, runtime_flags, rlimits, permitted_capabilities, effective_capabilities
|
||||
);
|
||||
ctx.nativeForkSystemServer_post();
|
||||
return ctx.pid;
|
||||
}
|
||||
[[clang::no_stack_protector]] jint nativeForkSystemServer_samsung_q(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) {
|
||||
ServerSpecializeArgs_v1 args(uid, gid, gids, runtime_flags, permitted_capabilities, effective_capabilities);
|
||||
HookContext ctx;
|
||||
ctx.env = env;
|
||||
ctx.args = { &args };
|
||||
ctx.nativeForkSystemServer_pre();
|
||||
reinterpret_cast<decltype(&nativeForkSystemServer_samsung_q)>(nativeForkSystemServer_orig)(
|
||||
env, clazz, uid, gid, gids, runtime_flags, _11, _12, rlimits, permitted_capabilities, effective_capabilities
|
||||
);
|
||||
ctx.nativeForkSystemServer_post();
|
||||
return ctx.pid;
|
||||
}
|
||||
const JNINativeMethod nativeForkSystemServer_methods[] = {
|
||||
{
|
||||
"nativeForkSystemServer",
|
||||
"(II[II[[IJJ)I",
|
||||
(void *) &nativeForkSystemServer_l
|
||||
},
|
||||
{
|
||||
"nativeForkSystemServer",
|
||||
"(II[IIII[[IJJ)I",
|
||||
(void *) &nativeForkSystemServer_samsung_q
|
||||
},
|
||||
};
|
||||
constexpr int nativeForkSystemServer_methods_num = std::size(nativeForkSystemServer_methods);
|
||||
|
||||
unique_ptr<JNINativeMethod[]> hookAndSaveJNIMethods(const char *className, const JNINativeMethod *methods, int numMethods) {
|
||||
unique_ptr<JNINativeMethod[]> newMethods;
|
||||
int clz_id = -1;
|
||||
int hook_cnt = 0;
|
||||
do {
|
||||
if (className == "com/android/internal/os/Zygote"sv) {
|
||||
clz_id = 0;
|
||||
hook_cnt = 3;
|
||||
break;
|
||||
}
|
||||
} while (false);
|
||||
if (hook_cnt) {
|
||||
newMethods = make_unique<JNINativeMethod[]>(numMethods);
|
||||
memcpy(newMethods.get(), methods, sizeof(JNINativeMethod) * numMethods);
|
||||
}
|
||||
auto &class_map = (*jni_method_map)[className];
|
||||
for (int i = 0; i < numMethods; ++i) {
|
||||
if (hook_cnt && clz_id == 0) {
|
||||
HOOK_JNI(nativeForkAndSpecialize)
|
||||
HOOK_JNI(nativeSpecializeAppProcess)
|
||||
HOOK_JNI(nativeForkSystemServer)
|
||||
}
|
||||
class_map[methods[i].name][methods[i].signature] = methods[i].fnPtr;
|
||||
}
|
||||
return newMethods;
|
||||
}
|
||||
|
||||
} // namespace
|
||||
@@ -0,0 +1,45 @@
|
||||
#pragma once
|
||||
|
||||
#include <map>
|
||||
|
||||
#pragma clang diagnostic push
|
||||
#pragma clang diagnostic ignored "-Wdeprecated-builtins"
|
||||
#include <parallel_hashmap/phmap.h>
|
||||
#pragma clang diagnostic pop
|
||||
|
||||
#include <misc.hpp>
|
||||
#include <sys/mman.h>
|
||||
|
||||
namespace jni_hook {
|
||||
|
||||
struct memory_block {
|
||||
static void *allocate(size_t sz);
|
||||
static void deallocate(void *, size_t) { /* Monotonic increase */ }
|
||||
static void release();
|
||||
};
|
||||
|
||||
template<class T>
|
||||
using allocator = stateless_allocator<T, memory_block>;
|
||||
|
||||
using string = std::basic_string<char, std::char_traits<char>, allocator<char>>;
|
||||
|
||||
// Use node_hash_map since it will use less memory because we are using a monotonic allocator
|
||||
template<class K, class V>
|
||||
using hash_map = phmap::node_hash_map<K, V,
|
||||
phmap::priv::hash_default_hash<K>,
|
||||
phmap::priv::hash_default_eq<K>,
|
||||
allocator<std::pair<const K, V>>
|
||||
>;
|
||||
|
||||
template<class K, class V>
|
||||
using tree_map = std::map<K, V,
|
||||
std::less<K>,
|
||||
allocator<std::pair<const K, V>>
|
||||
>;
|
||||
|
||||
} // namespace jni_hook
|
||||
|
||||
// Provide heterogeneous lookup for jni_hook::string
|
||||
namespace phmap::priv {
|
||||
template <> struct HashEq<jni_hook::string> : StringHashEqT<char> {};
|
||||
} // namespace phmap::priv
|
||||
@@ -0,0 +1,100 @@
|
||||
#pragma once
|
||||
|
||||
#include <pthread.h>
|
||||
#include "logging.h"
|
||||
#include <dirent.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#include <string_view>
|
||||
#include <memory>
|
||||
|
||||
#define DISALLOW_COPY_AND_MOVE(clazz) \
|
||||
clazz(const clazz &) = delete; \
|
||||
clazz(clazz &&) = delete;
|
||||
|
||||
class mutex_guard {
|
||||
DISALLOW_COPY_AND_MOVE(mutex_guard)
|
||||
public:
|
||||
explicit mutex_guard(pthread_mutex_t &m): mutex(&m) {
|
||||
pthread_mutex_lock(mutex);
|
||||
}
|
||||
void unlock() {
|
||||
pthread_mutex_unlock(mutex);
|
||||
mutex = nullptr;
|
||||
}
|
||||
~mutex_guard() {
|
||||
if (mutex) pthread_mutex_unlock(mutex);
|
||||
}
|
||||
private:
|
||||
pthread_mutex_t *mutex;
|
||||
};
|
||||
|
||||
using thread_entry = void *(*)(void *);
|
||||
int new_daemon_thread(thread_entry entry, void *arg);
|
||||
|
||||
template<typename T, typename Impl>
|
||||
class stateless_allocator {
|
||||
public:
|
||||
using value_type = T;
|
||||
T *allocate(size_t num) { return static_cast<T*>(Impl::allocate(sizeof(T) * num)); }
|
||||
void deallocate(T *ptr, size_t num) { Impl::deallocate(ptr, sizeof(T) * num); }
|
||||
stateless_allocator() = default;
|
||||
stateless_allocator(const stateless_allocator&) = default;
|
||||
stateless_allocator(stateless_allocator&&) = default;
|
||||
template <typename U>
|
||||
stateless_allocator(const stateless_allocator<U, Impl>&) {}
|
||||
bool operator==(const stateless_allocator&) { return true; }
|
||||
bool operator!=(const stateless_allocator&) { return false; }
|
||||
};
|
||||
|
||||
using sFILE = std::unique_ptr<FILE, decltype(&fclose)>;
|
||||
using sDIR = std::unique_ptr<DIR, decltype(&closedir)>;
|
||||
sDIR make_dir(DIR *dp);
|
||||
sFILE make_file(FILE *fp);
|
||||
|
||||
static inline sDIR open_dir(const char *path) {
|
||||
return make_dir(opendir(path));
|
||||
}
|
||||
|
||||
static inline sDIR xopen_dir(const char *path) {
|
||||
return make_dir(opendir(path));
|
||||
}
|
||||
|
||||
static inline sDIR xopen_dir(int dirfd) {
|
||||
return make_dir(fdopendir(dirfd));
|
||||
}
|
||||
|
||||
static inline sFILE open_file(const char *path, const char *mode) {
|
||||
return make_file(fopen(path, mode));
|
||||
}
|
||||
|
||||
static inline sFILE xopen_file(const char *path, const char *mode) {
|
||||
return make_file(fopen(path, mode));
|
||||
}
|
||||
|
||||
static inline sFILE xopen_file(int fd, const char *mode) {
|
||||
return make_file(fdopen(fd, mode));
|
||||
}
|
||||
|
||||
template<class T>
|
||||
static inline void default_new(T *&p) { p = new T(); }
|
||||
|
||||
template<class T>
|
||||
static inline void default_new(std::unique_ptr<T> &p) { p.reset(new T()); }
|
||||
|
||||
struct StringCmp {
|
||||
using is_transparent = void;
|
||||
bool operator()(std::string_view a, std::string_view b) const { return a < b; }
|
||||
};
|
||||
|
||||
/*
|
||||
* Bionic's atoi runs through strtol().
|
||||
* Use our own implementation for faster conversion.
|
||||
*/
|
||||
int parse_int(std::string_view s);
|
||||
|
||||
template <typename T>
|
||||
static inline T align_to(T v, int a) {
|
||||
static_assert(std::is_integral<T>::value);
|
||||
return (v + a - 1) / a * a;
|
||||
}
|
||||
@@ -17,4 +17,8 @@ namespace socket_utils {
|
||||
bool write_u8(int fd, uint8_t val);
|
||||
|
||||
int recv_fd(int fd);
|
||||
|
||||
bool write_usize(int fd, size_t val);
|
||||
|
||||
uint8_t read_u8(int fd);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user