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Randomize tmp path

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This commit is contained in:
5ec1cff
2023-11-27 10:18:23 +08:00
parent c205893dd2
commit 9e48f18247
9 changed files with 43 additions and 40 deletions
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11
loader/src/ptracer/ptracer.cpp
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@@ -16,7 +16,8 @@
#include <string>
#include "utils.hpp"
bool inject_on_main(int pid, const char *lib_path) {
bool inject_on_main(int pid, const char *lib_path, const char* magic_path) {
LOGI("injecting %s to zygote %d", lib_path, pid);
// parsing KernelArgumentBlock
// https://cs.android.com/android/platform/superproject/main/+/main:bionic/libc/private/KernelArgumentBlock.h;l=30;drc=6d1ee77ee32220e4202c3066f7e1f69572967ad8
struct user_regs_struct regs{}, backup{};
@@ -141,9 +142,11 @@ bool inject_on_main(int pid, const char *lib_path) {
return false;
}
// call injector entry(handle)
// call injector entry(handle, magic)
args.clear();
args.push_back(remote_handle);
str = push_string(pid, regs, magic_path);
args.push_back((long) str);
remote_call(pid, regs, injector_entry, (uintptr_t) libc_return_addr, args);
// reset pc to entry
@@ -177,7 +180,9 @@ bool trace_zygote(int pid) {
}
WAIT_OR_DIE
if (STOPPED_WITH(SIGSTOP, PTRACE_EVENT_STOP)) {
if (!inject_on_main(pid, "/dev/zygisk/lib" LP_SELECT("", "64") "/libzygisk.so")) {
std::string magic_path = getenv("MAGIC_PATH");
std::string lib_path = magic_path + "/lib" LP_SELECT("", "64") "/libzygisk.so";
if (!inject_on_main(pid, lib_path.c_str(), magic_path.c_str())) {
LOGE("failed to inject");
return false;
}