| 36 | static void *pFileLogLogsEnabled = nullptr; |
| 37 | |
| 38 | static void *lookupFileLogLogsEnabled() { |
| 39 | void *p = pFileLogLogsEnabled; |
| 40 | if (p != nullptr) { |
| 41 | return p; |
| 42 | } |
| 43 | // prefer dlfcn if available |
| 44 | if (auto* handle = GetLoadedTMessageLibHandle()) { |
| 45 | p = dlsym(handle, "LOGS_ENABLED"); |
| 46 | if (p != nullptr) { |
| 47 | LOGD("LOGS_ENABLED: %p", p); |
| 48 | pFileLogLogsEnabled = p; |
| 49 | return p; |
| 50 | } |
| 51 | } |
| 52 | // lookup |
| 53 | elfsym::ProcessView self; |
| 54 | int err = self.readProcess(getpid()); |
| 55 | if (err != 0) { |
| 56 | LOGE("readProcess self failed, err: %d", err); |
| 57 | } |
| 58 | std::optional<elfsym::ProcessView::Module> libtmsg; |
| 59 | for (const auto &module: self.getModules()) { |
| 60 | if (module.name.find("libtmessages.") != std::string::npos) { |
| 61 | libtmsg = module; |
| 62 | break; |
| 63 | } |
| 64 | } |
| 65 | if (!libtmsg.has_value()) { |
| 66 | LOGE("libtmessages.*.so not found"); |
| 67 | return nullptr; |
| 68 | } |
| 69 | std::string soanme = libtmsg->name; |
| 70 | std::string path = libtmsg->path; |
| 71 | uintptr_t baseAddress = libtmsg->baseAddress; |
| 72 | LOGD("libtmsg: %s, baseAddress: %p", soanme.c_str(), (void *) baseAddress); |
| 73 | FileMemMap fileMemMap; |
| 74 | err = fileMemMap.mapFilePath(path.c_str()); |
| 75 | if (err != 0) { |
| 76 | LOGE("mapFilePath failed, err: %d", err); |
| 77 | return nullptr; |
| 78 | } |
| 79 | elfsym::ElfView elfView; |
| 80 | elfView.attachFileMemMapping(Rva(fileMemMap.getAddress(), fileMemMap.getLength())); |
| 81 | int offset = elfView.getSymbolAddress("LOGS_ENABLED"); |
| 82 | if (offset == 0) { |
| 83 | LOGE("getSymbolAddress LOGS_ENABLED failed"); |
| 84 | return nullptr; |
| 85 | } |
| 86 | uintptr_t addr = baseAddress + offset; |
| 87 | LOGD("LOGS_ENABLED: %p", (void *) addr); |
| 88 | pFileLogLogsEnabled = reinterpret_cast<void *>(addr); |
| 89 | return pFileLogLogsEnabled; |
| 90 | } |
| 91 | |
| 92 | extern "C" JNIEXPORT jint JNICALL |
| 93 | Java_cc_ioctl_tmoe_hook_func_TgnetLogController_getCurrentTgnetLogStatus(JNIEnv *env, jclass clazz) { |
no test coverage detected