{"repo_name": "NoHello", "file_name": "/NoHello/module/src/main/cpp/PropertyManager.h", "inference_info": {"prefix_code": "class PropertyManager {\n public:\n explicit PropertyManager(std::string path) {\n\tloadFromFile();\n}\n std::string getProp(const std::string& key, const std::string& defaultValue = \"\") {\n\tauto it = keyIndex.find(key);\n\treturn it != keyIndex.end() ? orderedProps[it->second].second : defaultValue;\n}\n void setProp(const std::string& key, const std::string& value) {\n\tauto it = keyIndex.find(key);\n\tif (it != keyIndex.end()) {\n\t\t// Update existing\n\t\torderedProps[it->second].second = value;\n\t} else {\n\t\t// Append new\n\t\tsize_t idx = orderedProps.size();\n\t\torderedProps.emplace_back(key, value);\n\t\tkeyIndex[key] = idx;\n\t}\n\n\tsaveToFile();\n}\n private:\n std::string filePath;\n std::vector> orderedProps;\n std::unordered_map keyIndex;\n ", "suffix_code": "\n bool saveToFile() {\n\tstd::ofstream file(filePath, std::ios::trunc);\n\tif (!file.is_open()) {\n\t\tLOGE(\"PropertyManager: Could not open %s for saving.\", filePath.c_str());\n\t\treturn false;\n\t}\n\n\tfor (const auto& [key, value] : orderedProps) {\n\t\tfile << key << \"=\" << value << '\\n';\n\t}\n\n\tfile.close();\n\treturn true;\n}\n};", "middle_code": "bool loadFromFile() {\n\torderedProps.clear();\n\tkeyIndex.clear();\n\tstd::ifstream file(filePath);\n\tif (!file.is_open()) {\n\t\tLOGW(\"PropertyManager: Could not open %s for loading.\", filePath.c_str());\n\t\treturn false;\n\t}\n\tstd::string line;\n\twhile (std::getline(file, line)) {\n\t\tif (line.empty() || line[0] == '#')\n\t\t\tcontinue;\n\t\tauto pos = line.find('=');\n\t\tif (pos == std::string::npos)\n\t\t\tcontinue;\n\t\tstd::string key = line.substr(0, pos);\n\t\tstd::string val = line.substr(pos + 1);\n\t\tsize_t idx = orderedProps.size();\n\t\torderedProps.emplace_back(key, val);\n\t\tkeyIndex[key] = idx;\n\t}\n\tfile.close();\n\treturn true;\n}", "code_description": null, "fill_type": "FUNCTION_TYPE", "language_type": "cpp", "sub_task_type": null}, "context_code": [["/NoHello/module/src/main/cpp/nohello.cpp", "/* Copyright 2022-2023 John \"topjohnwu\" Wu\n * Copyright 2024 The NoHello Contributors\n *\n * Permission to use, copy, modify, and/or distribute this software for any\n * purpose with or without fee is hereby granted.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\n * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\n * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\n * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\n * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\n * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\n * PERFORMANCE OF THIS SOFTWARE.\n */\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include // For std::pair, std::move\n\n#include \"zygisk.hpp\"\n#include \"external/android_filesystem_config.h\"\n#include \"mountsinfo.cpp\"\n#include \"utils.cpp\"\n#include \"external/fdutils/fd_utils.cpp\"\n#include \n#include \n#include \n#include \n#include \"log.h\"\n#include \"PropertyManager.cpp\"\n#include \"MountRuleParser.cpp\"\n#include \"external/emoji.h\"\n\nusing zygisk::Api;\nusing zygisk::AppSpecializeArgs;\nusing zygisk::ServerSpecializeArgs;\n\nnamespace fs = std::filesystem;\n\nstatic constexpr off_t EXT_SUPERBLOCK_OFFSET = 0x400;\nstatic constexpr off_t EXT_MAGIC_OFFSET = 0x38;\nstatic constexpr off_t EXT_ERRORS_OFFSET = 0x3C;\nstatic constexpr uint16_t EXT_MAGIC = 0xEF53;\nstatic const std::vector defaultRules = {\n\t\tR\"(source { \"KSU\", \"APatch\", \"magisk\", \"worker\" } fs { \"tmpfs\" \"overlay\" })\"\n};\n\nenum Advice {\n\tNORMAL = 0,\n\tMODULE_CONFLICT = 2,\n};\n\nenum State {\n\tSUCCESS = 0,\n\tFAILURE = 1\n};\n\nstatic const std::set toumount_sources = {\"KSU\", \"APatch\", \"magisk\", \"worker\"};\nstatic const std::string adbPathPrefix = \"/data/adb\";\n\nstatic bool anomaly(MountRootResolver mrs, const MountInfo &mount) {\n\tconst std::string resolved_root = mrs.resolveRoot(mount);\n\tif (resolved_root.starts_with(adbPathPrefix) || mount.getMountPoint().starts_with(adbPathPrefix)) {\n\t\treturn true;\n\t}\n\tconst auto& fs_type = mount.getFsType();\n\tconst auto& mnt_src = mount.getMountSource();\n\tif (toumount_sources.count(mnt_src)) {\n\t\treturn true;\n\t}\n\tif (fs_type == \"overlay\") {\n\t\tif (toumount_sources.count(mnt_src)) {\n\t\t\treturn true;\n\t\t}\n\t\tconst auto& fm = mount.getMountOptions().flagmap;\n\t\tif (fm.count(\"lowerdir\") && fm.at(\"lowerdir\").starts_with(adbPathPrefix)) {\n\t\t\treturn true;\n\t\t}\n\t\tif (fm.count(\"upperdir\") && fm.at(\"upperdir\").starts_with(adbPathPrefix)) {\n\t\t\treturn true;\n\t\t}\n\t\tif (fm.count(\"workdir\") && fm.at(\"workdir\").starts_with(adbPathPrefix)) {\n\t\t\treturn true;\n\t\t}\n\t} else if (fs_type == \"tmpfs\") {\n\t\tif (toumount_sources.count(mnt_src)) {\n\t\t\treturn true;\n\t\t}\n\t}\n\treturn false;\n}\n\nstatic bool anomaly(const MountRuleParser::MountRule& rule, MountRootResolver mrs, const MountInfo &mount) {\n\tconst std::string resolvedRoot = mrs.resolveRoot(mount);\n\tconst auto& fsType = mount.getFsType();\n\tif (fsType != \"overlay\") {\n\t\treturn rule.matches(resolvedRoot, mount.getMountPoint(), fsType, mount.getMountSource());\n\t} else {\n\t\tconst auto& fm = mount.getMountOptions().flagmap;\n\t\tstd::vector roots = {resolvedRoot};\n\t\tfor (const auto* key : {\"lowerdir\", \"upperdir\", \"workdir\"}) {\n\t\t\tauto it = fm.find(key);\n\t\t\tif (it != fm.end()) {\n\t\t\t\troots.push_back(it->second);\n\t\t\t}\n\t\t}\n\t\treturn rule.matches(roots, mount.getMountPoint(), fsType, mount.getMountSource());\n\t}\n\treturn false;\n}\n\nstatic bool anomaly(const std::vector& rules, MountRootResolver mrs, const MountInfo &mount) {\n\tconst std::string resolvedRoot = mrs.resolveRoot(mount);\n\tconst auto& fsType = mount.getFsType();\n\tconst auto& fm = mount.getMountOptions().flagmap;\n\tfor (const auto& rule : rules) {\n\t\tif (fsType != \"overlay\") {\n\t\t\tif (rule.matches(resolvedRoot, mount.getMountPoint(), fsType, mount.getMountSource()))\n\t\t\t\treturn true;\n\t\t} else {\n\t\t\tstd::vector roots = {resolvedRoot};\n\t\t\tfor (const auto* key : {\"lowerdir\", \"upperdir\", \"workdir\"}) {\n\t\t\t\tauto it = fm.find(key);\n\t\t\t\tif (it != fm.end()) {\n\t\t\t\t\troots.push_back(it->second);\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (rule.matches(roots, mount.getMountPoint(), fsType, mount.getMountSource()))\n\t\t\t\treturn true;\n\t\t}\n\t}\n\treturn false;\n}\n\nstatic std::pair anomaly(const std::unique_ptr fdi) {\n\tif (fdi->is_sock) {\n\t\tstd::string socket_name;\n\t\tif (fdi->GetSocketName(&socket_name)) {\n\t\t\tif (socket_name.find(\"magisk\") != std::string::npos ||\n\t\t\t\tsocket_name.find(\"kernelsu\") != std::string::npos || // For KernelSU daemon, common pattern\n\t\t\t\tsocket_name.find(\"ksud\") != std::string::npos || // KernelSU daemon\n\t\t\t\tsocket_name.find(\"apatchd\") != std::string::npos || // For APatch daemon, common pattern\n\t\t\t\tsocket_name.find(\"apd\") != std::string::npos // APatch daemon\n\t\t\t\t\t) {\n\t\t\t\tLOGD(\"Marking sensitive socket FD %d (%s) for sanitization.\", fdi->fd, socket_name.c_str());\n\t\t\t\treturn {true, true};\n\t\t\t}\n\t\t}\n\t} else { // Not a socket\n\t\tif (!fdi->file_path.starts_with(\"/memfd:\") &&\n\t\t\t!fdi->file_path.starts_with(\"/dev/ashmem\") && // Common, usually not root related\n\t\t\t!fdi->file_path.starts_with(\"[anon_inode:\") && // e.g., [anon_inode:sync_fence]\n\t\t\t!fdi->file_path.empty() // Ensure path is not empty\n\t\t\t\t) {\n\t\t\tif (fdi->file_path.starts_with(adbPathPrefix) ||\n\t\t\t\tfdi->file_path.find(\"magisk\") != std::string::npos ||\n\t\t\t\tfdi->file_path.find(\"kernelsu\") != std::string::npos ||\n\t\t\t\tfdi->file_path.find(\"apatch\") != std::string::npos) {\n\t\t\t\tLOGD(\"Marking sensitive file FD %d (%s) for sanitization.\", fdi->fd, fdi->file_path.c_str());\n\t\t\t\treturn {true, true};\n\t\t\t}\n\t\t}\n\t}\n\treturn {false, false};\n}\n\n\nstatic std::unique_ptr getExternalErrorBehaviour(const MountInfo& mount) {\n\tconst auto& fs = mount.getFsType();\n\tif (fs != \"ext2\" && fs != \"ext3\" && fs != \"ext4\")\n\t\treturn nullptr;\n\tstd::ifstream mntsrc(mount.getMountSource(), std::ios::binary);\n\tif (!mntsrc || !mntsrc.is_open())\n\t\treturn nullptr;\n\tuint16_t magic;\n\tmntsrc.seekg(EXT_SUPERBLOCK_OFFSET + EXT_MAGIC_OFFSET, std::ios::beg);\n\tmntsrc.read(reinterpret_cast(&magic), sizeof(magic));\n\tif (!mntsrc || mntsrc.gcount() != sizeof(magic))\n\t\treturn nullptr;\n\tmagic = le16toh(magic);\n\tif (magic != EXT_MAGIC)\n\t\treturn nullptr;\n\tuint16_t errors;\n\tmntsrc.seekg(EXT_SUPERBLOCK_OFFSET + EXT_ERRORS_OFFSET, std::ios::beg);\n\tmntsrc.read(reinterpret_cast(&errors), sizeof(errors));\n\tif (!mntsrc || mntsrc.gcount() != sizeof(errors))\n\t\treturn nullptr;\n\terrors = le16toh(errors);\n\tswitch (errors)\n\t{\n\t\tcase 1:\n\t\t\treturn std::make_unique(\"continue\");\n\t\tcase 2:\n\t\t\treturn std::make_unique(\"remount-ro\");\n\t\tcase 3:\n\t\t\treturn std::make_unique(\"panic\");\n\t\tdefault:\n\t\t\treturn nullptr;\n\t}\n\treturn nullptr;\n}\n\nstatic void doumount(const std::string& mntPnt);\n\nstatic void unmount(const std::vector& mounts) {\n\tMountRootResolver mrs(mounts);\n\tfor (const auto& mount : std::ranges::reverse_view(mounts)) {\n\t\tif (anomaly(mrs, mount))\n\t\t\tdoumount(mount.getMountPoint());\n\t}\n}\n\nstatic void unmount(const std::vector& rules, const std::vector& mounts) {\n\tMountRootResolver mrs(mounts);\n\tfor (const auto& mount : std::ranges::reverse_view(mounts)) {\n\t\tif (anomaly(rules, mrs, mount))\n\t\t\tdoumount(mount.getMountPoint());\n\t}\n}\n\nstatic void unmount(const MountRuleParser::MountRule& rule, const std::vector& mounts) {\n\tMountRootResolver mrs(mounts);\n\tfor (const auto& mount : std::ranges::reverse_view(mounts)) {\n\t\tif (anomaly(rule, mrs, mount))\n\t\t\tdoumount(mount.getMountPoint());\n\t}\n}\n\nstatic void doumount(const std::string& mntPnt) {\n\terrno = 0;\n\tint res;\n\tconst char *mntpnt = mntPnt.c_str();\n\tif ((res = umount2(mntpnt, MNT_DETACH)) == 0)\n\t\tLOGD(\"umount2(\\\"%s\\\", MNT_DETACH): returned (0): 0 (Success)\", mntpnt);\n\telse\n\t\tLOGE(\"umount2(\\\"%s\\\", MNT_DETACH): returned %d: %d (%s)\", mntpnt, res, errno, strerror(errno));\n}\n\nstatic void remount(const std::vector& mounts) {\n\tfor (const auto& mount : mounts) {\n\t\tif (mount.getMountPoint() == \"/data\") {\n\t\t\tconst auto& mntopts = mount.getMountOptions();\n\t\t\tconst auto& fm = mntopts.flagmap;\n\t\t\tif (!fm.count(\"errors\"))\n\t\t\t\tbreak;\n\t\t\tauto errors = getExternalErrorBehaviour(mount);\n\t\t\tif (!errors || fm.at(\"errors\") == *errors)\n\t\t\t\tbreak;\n\t\t\tauto mntflags = mount.getFlags();\n\t\t\tunsigned int flags = MS_REMOUNT;\n\t\t\tif (mntflags & MountFlags::NOSUID) {\n\t\t\t\tflags |= MS_NOSUID;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NODEV) {\n\t\t\t\tflags |= MS_NODEV;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NOEXEC) {\n\t\t\t\tflags |= MS_NOEXEC;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NOATIME) {\n\t\t\t\tflags |= MS_NOATIME;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NODIRATIME) {\n\t\t\t\tflags |= MS_NODIRATIME;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::RELATIME) {\n\t\t\t\tflags |= MS_RELATIME;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NOSYMFOLLOW) {\n\t\t\t\tflags |= MS_NOSYMFOLLOW;\n\t\t\t}\n\t\t\tint res;\n\t\t\tif ((res = ::mount(nullptr, \"/data\", nullptr, flags, (std::string(\"errors=\") + *errors).c_str())) == 0)\n\t\t\t\tLOGD(\"mount(nullptr, \\\"/data\\\", nullptr, 0x%x, \\\"errors=%s\\\"): returned 0: 0 (Success)\", flags, errors->c_str());\n\t\t\telse\n\t\t\t\tLOGW(\"mount(NULL, \\\"/data\\\", NULL, 0x%x, \\\"errors=%s\\\"): returned %d: %d (%s)\", flags, errors->c_str(), res, errno, strerror(errno));\n\t\t\tbreak;\n\t\t}\n\t}\n}\n\nint (*ar_unshare)(int) = nullptr;\n\nstatic int reshare(int flags) {\n errno = 0;\n return ar_unshare(flags & ~(CLONE_NEWNS | CLONE_NEWCGROUP));\n}\n\nclass NoHello : public zygisk::ModuleBase {\npublic:\n void onLoad(Api *_api, JNIEnv *_env) override {\n this->api = _api;\n this->env = _env;\n }\n\n void preAppSpecialize(AppSpecializeArgs *args) override {\n preSpecialize(args);\n }\n\n\tvoid postAppSpecialize(const AppSpecializeArgs *args) override {\n\t\tconst char *process = env->GetStringUTFChars(args->nice_name, nullptr);\n\t\tpostSpecialize(process);\n\t\tenv->ReleaseStringUTFChars(args->nice_name, process);\n\t}\n\n void preServerSpecialize(ServerSpecializeArgs *args) override {\n //preSpecialize(\"system_server\"); // System server usually doesn't need this level of hiding\n\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n }\n\nprivate:\n Api *api{};\n JNIEnv *env{};\n\tint cfd{};\n\tdev_t rundev{};\n\tino_t runinode{};\n\tdev_t cdev{};\n\tino_t cinode{};\n\n\n void preSpecialize(AppSpecializeArgs *args) {\n\t\tunsigned int flags = api->getFlags();\n\t\tconst bool whitelist = access(\"/data/adb/nohello/whitelist\", F_OK) == 0;\n\t\tconst bool nodirtyro = access(\"/data/adb/nohello/no_dirtyro_ar\", F_OK) == 0;\n\t\tif (flags & zygisk::StateFlag::PROCESS_GRANTED_ROOT) {\n\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\treturn;\n\t\t}\n\t\tauto fn = [this](const std::string& lib) {\n\t\t\tauto di = devinoby(lib.c_str());\n\t\t\tif (di) {\n\t\t\t\treturn *di;\n\t\t\t} else {\n\t\t\t\tLOGW(\"#[zygisk::?] devino[dl_iterate_phdr]: Failed to get device & inode for %s\", lib.c_str());\n\t\t\t\tLOGI(\"#[zygisk::?] Fallback to use `/proc/self/maps`\");\n\t\t\t\treturn devinobymap(lib);\n\t\t\t}\n\t\t};\n\t\tif ((whitelist && isuserapp(args->uid)) || flags & zygisk::StateFlag::PROCESS_ON_DENYLIST) {\n\t\t\tpid_t pid = getpid(), ppid = getppid();\n\t\t\tcfd = api->connectCompanion(); // Companion FD\n\t\t\tapi->exemptFd(cfd);\n\t\t\tif (write(cfd, &ppid, sizeof(ppid)) != sizeof(ppid)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] write: [-> ppid]: %s\", strerror(errno));\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tint advice;\n\t\t\tif (read(cfd, &advice, sizeof(advice)) != sizeof(advice)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [<- status]: %s\", strerror(errno));\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tif (advice == MODULE_CONFLICT) {\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tstd::tie(cdev, cinode) = fn(\"libc.so\");\n\t\t\tif (!cdev && !cinode) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] Failed to get device & inode for libc.so\");\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tstd::tie(rundev, runinode) = fn(\"libandroid_runtime.so\");\n\t\t\tif (!rundev && !runinode) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] Failed to get device & inode for libandroid_runtime.so\");\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tapi->pltHookRegister(rundev, runinode, \"unshare\", (void*) reshare, (void**) &ar_unshare);\n\t\t\tapi->pltHookCommit();\n\t\t\tif (!nodirtyro) {\n\t\t\t\tif (auto res = robaseby(rundev, runinode)) {\n\t\t\t\t\t/*\n\t\t\t\t\t * Temporary workaround to fix detection in apps that checks Shared_Clean\n\t\t\t\t\t * if >= 512kb\n\t\t\t\t\t */\n\t\t\t\t\tauto [base, size] = *res;\n\t\t\t\t\tlong pagesz = sysconf(_SC_PAGESIZE);\n\t\t\t\t\tsize_t alignedSize = (size + pagesz - 1) & ~(pagesz - 1);\n\t\t\t\t\tmprotect(base, alignedSize, PROT_READ | PROT_WRITE);\n\t\t\t\t\tfor (uintptr_t addr = (uintptr_t) base; addr < (uintptr_t) base + size; addr += pagesz) {\n\t\t\t\t\t\tvoid* page = reinterpret_cast(addr);\n\t\t\t\t\t\tuint8_t orig = *(volatile uint8_t*) page;\n\t\t\t\t\t\t*(volatile uint8_t*) page = orig;\n\t\t\t\t\t}\n\t\t\t\t\tmprotect(base, alignedSize, PROT_READ);\n\t\t\t\t\tmadvise(base, alignedSize, MADV_REMOVE);\n\t\t\t\t} else {\n\t\t\t\t\tLOGW(\"#[zygisk::preSpecialize] Failed to get ro block for libandroid_runtime.so\");\n\t\t\t\t}\n\t\t\t}\n\t\t\tstd::vector, bool>> fdSanitizeList; // bool is shouldDetach\n\t\t\tauto fds = GetOpenFds([](const std::string &error){\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] GetOpenFds: %s\", error.c_str());\n\t\t\t});\n\t\t\tif (fds) {\n\t\t\t\tfor (auto &fd : *fds) {\n\t\t\t\t\tif (fd == cfd) continue; // Skip companion FD itself\n\t\t\t\t\tauto fdi = FileDescriptorInfo::CreateFromFd(fd, [fd](const std::string &error){\n\t\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize] CreateFromFd(%d): %s\", fd, error.c_str());\n\t\t\t\t\t});\n\t\t\t\t\tif (!fdi)\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\tauto [canSanitize, shouldDetach] = anomaly(std::move(fdi));\n\t\t\t\t\tif (canSanitize) {\n\t\t\t\t\t\tfdSanitizeList.emplace_back(std::move(fdi), shouldDetach);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tint res = unshare(CLONE_NEWNS | CLONE_NEWCGROUP);\n\t\t\tif (res != 0) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] unshare: %s\", strerror(errno));\n\t\t\t\t// There's nothing we can do except returning\n\t\t\t\tclose(cfd);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tres = mount(\"rootfs\", \"/\", nullptr, MS_SLAVE | MS_REC, nullptr);\n\t\t\tif (res != 0) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] mount(rootfs, \\\"/\\\", nullptr, MS_SLAVE | MS_REC, nullptr): returned %d: %d (%s)\", res, errno, strerror(errno));\n\t\t\t\t// There's nothing we can do except returning\n\t\t\t\tclose(cfd);\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tstatic std::vector mountRules;\n\n\t\t\tif (write(cfd, &pid, sizeof(pid)) != sizeof(pid)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] write: [-> pid]: %s\", strerror(errno));\n\t\t\t\tres = FAILURE; // Fallback to unmount from zygote\n\t\t\t} else if (read(cfd, &res, sizeof(res)) != sizeof(res)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [<- status]: %s\", strerror(errno));\n\t\t\t\tres = FAILURE; // Fallback to unmount from zygote\n\t\t\t} else if (res == FAILURE) {\n\t\t\t\tLOGW(\"#[zygisk::preSpecialize]: Companion failed, fallback to unmount in zygote process\");\n\t\t\t\tmountRules = MountRuleParser::parseMultipleRules([this]() {\n\t\t\t\t\tauto sizeOfRulesPtr = xread(cfd);\n\t\t\t\t\tif (!sizeOfRulesPtr) {\n\t\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [sizeOfRules]: %s\", strerror(errno));\n\t\t\t\t\t\treturn defaultRules;\n\t\t\t\t\t}\n\t\t\t\t\tauto sizeOfRules = *sizeOfRulesPtr;\n\t\t\t\t\tstd::vector rules(sizeOfRules, \"\");\n\t\t\t\t\tfor (int i = 0; i < sizeOfRules; ++i) {\n\t\t\t\t\t\tauto rule = xread(cfd);\n\t\t\t\t\t\tif (!rule) {\n\t\t\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [rule (at index %d)]: %s\", i, strerror(errno));\n\t\t\t\t\t\t\treturn defaultRules;\n\t\t\t\t\t\t}\n\t\t\t\t\t\trules[i] = std::move(*rule);\n\t\t\t\t\t}\n\t\t\t\t\treturn rules;\n\t\t\t\t}());\n\t\t\t}\n\n\t\t\tclose(cfd);\n\n\t\t\tif (res == FAILURE) {\n\t\t\t\tLOGW(\"#[zygisk::preSpecialize]: Companion failed, fallback to unmount in zygote process\");\n\t\t\t\tunmount(mountRules, getMountInfo()); // Unmount in current (zygote) namespace as fallback\n\t\t\t}\n\n\t\t\t// Sanitize FDs after companion communication and potential mount changes\n\t\t\tfor (auto &[fdi, shouldDetach] : fdSanitizeList) {\n\t\t\t\tLOGD(\"#[zygisk::preSpecialize]: Sanitizing FD %d (path: %s, socket: %d), detach: %d\",\n\t\t\t\t\t fdi->fd, fdi->file_path.c_str(), fdi->is_sock, shouldDetach);\n\t\t\t\tfdi->ReopenOrDetach([\n\t\t\t\t\t\t\t\t\t\t\tfd = fdi->fd,\n\t\t\t\t\t\t\t\t\t\t\tpath = fdi->file_path // Capture path by value for lambda\n\t\t\t\t\t\t\t\t\t](const std::string &error){\n\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize]: Sanitize FD %d (%s): %s\", fd, path.c_str(), error.c_str());\n\t\t\t\t}, shouldDetach);\n\t\t\t}\n\t\t\treturn;\n\t\t}\n api->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n }\n\n\tvoid postSpecialize(const char *process) {\n // Unhook PLT hooks\n\t\tif (ar_unshare) {\n\t\t\tapi->pltHookRegister(rundev, runinode, \"unshare\", (void*) ar_unshare, nullptr);\n ar_unshare = nullptr; // Clear pointer\n }\n\t\tapi->pltHookCommit();\n\t\t//close(cfd);\n\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t}\n\n};\n\nstatic void NoRoot(int fd) {\n\tpid_t pid = -1, ppid = -1;\n\tstatic unsigned int successRate = 0;\n\tstatic const std::string description = [] {\n\t\tstd::ifstream f(\"/data/adb/modules/zygisk_nohello/description\");\n\t\t// This file exists only after installing/updating the module\n\t\t// It should have the default description\n\t\t// Since this is static const it's only evaluated once per boot since companion won't exit\n\t\treturn f ? ([](std::ifstream& s){ std::string l; std::getline(s, l); return l; })(f) : \"A Zygisk module to hide root.\";\n\t}();\n\tstatic PropertyManager pm(\"/data/adb/modules/zygisk_nohello/module.prop\");\n\n\tstatic const int compatbility = [] {\n\t\tif (fs::exists(\"/data/adb/modules/zygisk_shamiko\") && !fs::exists(\"/data/adb/modules/zygisk_shamiko/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\tif (fs::exists(\"/data/adb/modules/zygisk-assistant\") && !fs::exists(\"/data/adb/modules/zygisk-assistant/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\tif (fs::exists(\"/data/adb/modules/treat_wheel\") && !fs::exists(\"/data/adb/modules/treat_wheel/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\tif (fs::exists(\"/data/adb/modules/susfs4ksu\") && !fs::exists(\"/data/adb/modules/susfs4ksu/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\treturn NORMAL;\n\t}();\n\n\tstatic const bool doesUmountPersists = []() {\n\t\treturn fs::exists(\"/data/adb/nohello/umount_persist\") || fs::exists(\"/data/adb/nohello/umount_persists\");\n\t}();\n\n\tstatic std::vector stringRules;\n\tstatic std::vector mountRules;\n\tstatic bool evaluateOnlyOnce = false;\n\n\tif (!evaluateOnlyOnce) {\n\t\tstringRules = []() {\n\t\t\tstd::vector rules;\n\t\t\tstd::ifstream f(\"/data/adb/nohello/umount\");\n\t\t\tif (f && f.is_open()) {\n\t\t\t\tstd::string line;\n\t\t\t\twhile (std::getline(f, line)) {\n\t\t\t\t\tif (!line.empty() && line[0] != '#')\n\t\t\t\t\t\trules.push_back(line);\n\t\t\t\t}\n\t\t\t\tf.close();\n\t\t\t} else {\n\t\t\t\trules = defaultRules;\n\t\t\t\tstd::ofstream redef(\"/data/adb/nohello/umount\");\n\t\t\t\tif (redef && redef.is_open()) {\n\t\t\t\t\tfor (const auto &rule: rules)\n\t\t\t\t\t\tredef << rule << std::endl;\n\t\t\t\t\tf.close();\n\t\t\t\t} else\n\t\t\t\t\tLOGE(\"Unable to create `/data/adb/nohello/umount`\");\n\t\t\t}\n\t\t\treturn rules;\n\t\t}();\n\t\tmountRules = MountRuleParser::parseMultipleRules(stringRules);\n\t\tif (doesUmountPersists)\n\t\t\tevaluateOnlyOnce = true;\n\t}\n\n\tif (read(fd, &ppid, sizeof(ppid)) != sizeof(ppid)) {\n\t\tLOGE(\"#[ps::Companion] Failed to read PPID: %s\", strerror(errno));\n\t\tclose(fd);\n\t\treturn;\n\t}\n\n\tstatic const pid_t clrMsgZygote = [ppid]() -> pid_t {\n\t\tif (fs::exists(\"/data/adb/nohello/no_clr_ptracemsg\"))\n\t\t\t// Apply the fix only by user's choice\n\t\t\treturn ppid;\n\t\tif (getKernelVersion() >= KERNEL_VERSION(6, 1, 0))\n\t\t\t// The issue was fixed in 6.1+\n\t\t\t// https://marc.info/?l=linux-arch&m=164124554311501&w=2\n\t\t\treturn ppid;\n\t\t// Re-work this to avoid issues with bootloops\n\t\t// https://github.com/PerformanC/ReZygisk/issues/171\n\t\tif (ptrace(PTRACE_ATTACH, ppid, nullptr, nullptr) == -1) {\n\t\t\tLOGE(\"#[ps::Companion] ptrace(PTRACE_ATTACH, %d, nullptr, nullptr): %s\", ppid,\n\t\t\t\t strerror(errno));\n\t\t\treturn -1;\n\t\t}\n\t\twaitpid(ppid, nullptr, 0);\n\t\tif (ptrace(PTRACE_SYSCALL, ppid, nullptr, nullptr) == -1) {\n\t\t\tLOGE(\"#[ps::Companion] ptrace(PTRACE_SYSCALL, %d, nullptr, nullptr): %s\", ppid, strerror(errno));\n\t\t\tptrace(PTRACE_DETACH, ppid, nullptr, nullptr);\n\t\t\treturn -1;\n\t\t}\n\t\twaitpid(ppid, nullptr, 0);\n\t\tptrace(PTRACE_DETACH, ppid, nullptr, nullptr);\n\t\tLOGD(\"#[ps::Companion] Cleared ptrace_message for zygote(%d)\", ppid);\n\t\treturn ppid;\n\t}();\n\n\tint result = compatbility;\n\tif (result == MODULE_CONFLICT) {\n\t\tpm.setProp(\"description\", \"[\" + emoji::emojize(\":warning: \") + \"Conflicting modules] \" + description);\n\t\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\t}\n\t\tclose(fd);\n\t\treturn;\n\t} else {\n\t\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\t\tclose(fd);\n\t\t\treturn;\n\t\t}\n\t}\n\n\tif (read(fd, &pid, sizeof(pid)) != sizeof(pid)) {\n LOGE(\"#[ps::Companion] Failed to read PID: %s\", strerror(errno));\n\t\tclose(fd);\n\t\treturn;\n\t}\n\n\tresult = forkcall(\n\t\t[pid]()\n\t\t{\n\t\t\tint res = nscg2(pid);\n\t\t\tif (!res) { // switchnsto returns true on success (0 from setns)\n\t\t\t\tLOGE(\"#[ps::Companion] Switch namespaces failed for PID %d: %s\", pid, strerror(errno));\n\t\t\t\treturn FAILURE;\n\t\t\t}\n\t\t\tauto mounts = getMountInfo();\n\t\t\tunmount(mountRules, mounts);\n\t\t\tremount(mounts);\n\t\t\treturn SUCCESS;\n\t\t}\n\t);\n\n\tif (result == SUCCESS) {\n\t\tsuccessRate++;\n\t\tpm.setProp(\"description\", \"[\" + emoji::emojize(\":yum: \") + \"Nohello unmounted \" +\n\t\t\t\t\t\t\t\t std::to_string(successRate) + \" time(s)] \" + description);\n\t} else if (result == FAILURE) {\n\t\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\t\tclose(fd);\n\t\t\treturn;\n\t\t}\n\t\tif (xwrite(fd, stringRules.size())) {\n\t\t\tfor (int i = 0; i < stringRules.size(); ++i) {\n\t\t\t\tif (!xwrite(fd, stringRules[i])) {\n\t\t\t\t\tLOGE(\"#[ps::Companion] write: [rule (at index %d)]: %s\", i, strerror(errno));\n\t\t\t\t\tclose(fd);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tLOGE(\"#[ps::Companion] write: [stringRules.size()]: %s\", strerror(errno));\n\t\t\tclose(fd);\n\t\t\treturn;\n\t\t}\n\t\tclose(fd);\n\t\treturn;\n\t}\n\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\tclose(fd);\n\t\treturn;\n\t}\n\tclose(fd);\n}\n\n// Register our module class and the companion handler function\nREGISTER_ZYGISK_MODULE(NoHello)\nREGISTER_ZYGISK_COMPANION(NoRoot)\n"], ["/NoHello/module/src/main/cpp/mountsinfo.cpp", "#pragma once\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n\nenum class MountFlags : uint64_t {\n\tRO = 1ull << 0,\n\tRW = 1ull << 1,\n\tNOEXEC = 1ull << 2,\n\tEXEC = 1ull << 3,\n\tNOSUID = 1ull << 4,\n\tSUID = 1ull << 5,\n\tNODEV = 1ull << 6,\n\tDEV = 1ull << 7,\n\tRELATIME = 1ull << 8,\n\tNORELATIME = 1ull << 9,\n\tSTRICTATIME= 1ull << 10,\n\tNOATIME = 1ull << 11,\n\tATIME = 1ull << 12,\n\tDIRSYNC = 1ull << 13,\n\tSYNC = 1ull << 14,\n\tMANDLOCK = 1ull << 15,\n\tNODIRATIME = 1ull << 16,\n\tLAZYTIME = 1ull << 17,\n\tSECLABEL = 1ull << 18,\n\tINDEX = 1ull << 19,\n\tNOINDEX = 1ull << 20,\n\tMETACOPY = 1ull << 21,\n\tNOMETACOPY = 1ull << 22,\n\tBIND = 1ull << 23,\n\tRPRIVATE = 1ull << 24,\n\tRSHARED = 1ull << 25,\n\tRSLAVE = 1ull << 26,\n\tPRIVATE = 1ull << 27,\n\tSHARED = 1ull << 28,\n\tSLAVE = 1ull << 29,\n\tREC = 1ull << 30,\n\tREMOUNT = 1ull << 31,\n\tNOSYMFOLLOW= 1ull << 32\n};\n\n\ninline MountFlags operator|(MountFlags a, MountFlags b) {\n\treturn static_cast(\n\t\t\tstatic_cast>(a) |\n\t\t\tstatic_cast>(b)\n\t);\n}\n\ninline MountFlags& operator|=(MountFlags& a, MountFlags b) {\n\ta = a | b;\n\treturn a;\n}\n\ninline bool operator&(MountFlags a, MountFlags b) {\n\treturn\n\t\t\tstatic_cast>(a) &\n\t\t\tstatic_cast>(b);\n}\n\nenum class PropagationType {\n\tPRIVATE,\n\tSHARED,\n\tSLAVE,\n\tUNBINDABLE,\n\tUNKNOWN\n};\n\nstruct MountPropagation {\n\tPropagationType type = PropagationType::UNKNOWN;\n\tint id = -1;\n};\n\nstatic const std::unordered_map mountFlags = {\n\t\t{\"ro\", MountFlags::RO}, {\"rw\", MountFlags::RW}, {\"noexec\", MountFlags::NOEXEC},\n\t\t{\"exec\", MountFlags::EXEC}, {\"nosuid\", MountFlags::NOSUID}, {\"suid\", MountFlags::SUID},\n\t\t{\"nodev\", MountFlags::NODEV}, {\"dev\", MountFlags::DEV}, {\"relatime\", MountFlags::RELATIME},\n\t\t{\"norelatime\", MountFlags::NORELATIME}, {\"strictatime\", MountFlags::STRICTATIME},\n\t\t{\"noatime\", MountFlags::NOATIME}, {\"atime\", MountFlags::ATIME}, {\"dirsync\", MountFlags::DIRSYNC},\n\t\t{\"sync\", MountFlags::SYNC}, {\"mand\", MountFlags::MANDLOCK}, {\"nodiratime\", MountFlags::NODIRATIME},\n\t\t{\"lazytime\", MountFlags::LAZYTIME}, {\"seclabel\", MountFlags::SECLABEL}, {\"index\", MountFlags::INDEX},\n\t\t{\"noindex\", MountFlags::NOINDEX}, {\"metacopy\", MountFlags::METACOPY},\n\t\t{\"nometacopy\", MountFlags::NOMETACOPY}, {\"bind\", MountFlags::BIND},\n\t\t{\"rprivate\", MountFlags::RPRIVATE}, {\"rshared\", MountFlags::RSHARED},\n\t\t{\"rslave\", MountFlags::RSLAVE}, {\"private\", MountFlags::PRIVATE},\n\t\t{\"shared\", MountFlags::SHARED}, {\"slave\", MountFlags::SLAVE},\n\t\t{\"rec\", MountFlags::REC}, {\"remount\", MountFlags::REMOUNT},\n\t\t{\"nosymfollow\", MountFlags::NOSYMFOLLOW}\n};\n\nstruct MountOptions {\n\tMountFlags flags = MountFlags(0);\n\tstd::unordered_map flagmap;\n\n\tvoid parse(const std::string& str) {\n\t\tstd::istringstream s(str);\n\t\tstd::string opt;\n\t\twhile (std::getline(s, opt, ',')) {\n\t\t\tauto it = mountFlags.find(opt);\n\t\t\tif (it != mountFlags.end()) {\n\t\t\t\tflags |= it->second;\n\t\t\t} else {\n\t\t\t\tsize_t eq = opt.find('=');\n\t\t\t\tif (eq != std::string::npos) {\n\t\t\t\t\tflagmap[opt.substr(0, eq)] = opt.substr(eq + 1);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n};\n\nclass MountInfo {\npublic:\n\texplicit MountInfo(const std::string& line) {\n\t\tstd::istringstream ss(line);\n\t\tstd::vector parts;\n\t\tstd::string token;\n\t\twhile (ss >> token)\n\t\t\tparts.push_back(token);\n\t\tauto it = std::find(parts.begin(), parts.end(), std::string(\"-\"));\n\t\tif (it == parts.end() || std::distance(parts.begin(), it) < 6)\n\t\t\treturn;\n\t\tsize_t sep_idx = std::distance(parts.begin(), it);\n\t\tmnt_id = std::stoi(parts[0]);\n\t\tmnt_parent_id = std::stoi(parts[1]);\n\t\tparseMajorMinor(parts[2]);\n\t\troot = parts[3];\n\t\tmnt_pnt = parts[4];\n\t\tparseFlags(parts[5]);\n\t\tfor (size_t i = 6; i < sep_idx; ++i)\n\t\t\tparsePropagation(parts[i]);\n\t\tfs_type = parts[sep_idx + 1];\n\t\tmnt_src = parts[sep_idx + 2];\n\t\tparseOptions(parts[sep_idx + 3]);\n\t}\n\n\t~MountInfo() = default;\n\n\t[[nodiscard]] int getMountId() const { return mnt_id; }\n\t[[nodiscard]] int getParentId() const { return mnt_parent_id; }\n\t[[nodiscard]] dev_t getDev() const { return dev; }\n\t[[nodiscard]] const std::string& getRoot() const { return root; }\n\t[[nodiscard]] const std::string& getMountPoint() const { return mnt_pnt; }\n\t[[nodiscard]] MountFlags getFlags() const { return mnt_flags; }\n\t[[nodiscard]] const MountPropagation& getPropagation() const { return propagation; }\n\t[[nodiscard]] const std::string& getFsType() const { return fs_type; }\n\t[[nodiscard]] const std::string& getMountSource() const { return mnt_src; }\n\t[[nodiscard]] const MountOptions& getMountOptions() const { return mnt_opts; }\n\nprivate:\n\tint mnt_id;\n\tint mnt_parent_id;\n\tdev_t dev = 0;\n\tstd::string root;\n\tstd::string mnt_pnt;\n\tMountFlags mnt_flags = MountFlags(0);\n\tMountPropagation propagation;\n\tstd::string fs_type;\n\tstd::string mnt_src;\n\tMountOptions mnt_opts;\n\n\tvoid parseFlags(const std::string& str) {\n\t\tstd::istringstream s(str);\n\t\tstd::string opt;\n\t\twhile (std::getline(s, opt, ',')) {\n\t\t\tauto it = mountFlags.find(opt);\n\t\t\tif (it != mountFlags.end())\n\t\t\t\tmnt_flags |= it->second;\n\t\t}\n\t}\n\n\tvoid parsePropagation(const std::string& pg) {\n\t\tif (pg.find(\"master:\") == 0) {\n\t\t\tpropagation.type = PropagationType::SLAVE;\n\t\t\tpropagation.id = std::stoi(pg.substr(7));\n\t\t} else if (pg.find(\"shared:\") == 0) {\n\t\t\tpropagation.type = PropagationType::SHARED;\n\t\t\tpropagation.id = std::stoi(pg.substr(7));\n\t\t} else if (pg == \"unbindable\") {\n\t\t\tpropagation.type = PropagationType::UNBINDABLE;\n\t\t} else if (pg == \"private\") {\n\t\t\tpropagation.type = PropagationType::PRIVATE;\n\t\t}\n\t}\n\n\tvoid parseOptions(const std::string& opt) {\n\t\tmnt_opts.parse(opt);\n\t}\n\n\tvoid parseMajorMinor(const std::string& mmstr) {\n\t\tsize_t sep = mmstr.find(':');\n\t\tif (sep != std::string::npos) {\n\t\t\tint major = std::stoi(mmstr.substr(0, sep));\n\t\t\tint minor = std::stoi(mmstr.substr(sep + 1));\n\t\t\tdev = makedev(major, minor);\n\t\t} else {\n\t\t\tdev = 0;\n\t\t}\n\t}\n};\n\nclass MountRootResolver {\nprivate:\n\tstd::unordered_map dmm;\n\npublic:\n\texplicit MountRootResolver(const std::vector& mounts) {\n\t\tfor (const auto& mount : mounts) {\n\t\t\tif (mount.getRoot() == \"/\") {\n\t\t\t\tdmm[mount.getDev()] = mount.getMountPoint();\n\t\t\t}\n\t\t}\n\t}\n\n\t~MountRootResolver() = default;\n\n\tstd::string resolveRoot(const MountInfo& mount) {\n\t\tauto dev = mount.getDev();\n\t\tauto it = dmm.find(dev);\n\t\tif (it != dmm.end()) {\n\t\t\tif (it->second != \"/\")\n\t\t\t\treturn it->second + mount.getRoot();\n\t\t}\n\t\treturn mount.getRoot();\n\t}\n};\n\nstd::vector getMountInfo(const std::string& path = \"/proc/self/mountinfo\") {\n\tstd::ifstream mi(path);\n\tstd::vector mounts;\n\tstd::string line;\n\tif (!mi.is_open())\n\t\treturn mounts;\n\twhile (std::getline(mi, line)) {\n\t\tMountInfo mountInfo(line);\n\t\tmounts.emplace_back(std::move(mountInfo));\n\t}\n\tmi.close();\n\treturn mounts;\n}"], ["/NoHello/module/src/main/cpp/MountRuleParser.cpp", "#include \n#include \n#include \n#include \n#include \n#include \n#include \"log.h\"\n\nclass MountRuleParser {\npublic:\n\tstruct MountRule {\n\t\tstd::vector rootSubstrs;\n\t\tstd::vector mountPointSubstrs;\n\t\tstd::unordered_set fsTypes;\n\t\tstd::vector sources; // changed from unordered_set to vector for wildcard matching\n\n\t\texplicit operator bool() const {\n\t\t\treturn !(rootSubstrs.empty() && mountPointSubstrs.empty() && fsTypes.empty() && sources.empty());\n\t\t}\n\n\t\tbool matches(const std::string& root, const std::string& mountPoint,\n\t\t\t\t\t const std::string& fsType, const std::string& source) const {\n\t\t\treturn matchList(rootSubstrs, root) &&\n\t\t\t\t matchList(mountPointSubstrs, mountPoint) &&\n\t\t\t\t (fsTypes.empty() || fsTypes.count(fsType) > 0) &&\n\t\t\t\t matchSourceList(sources, source);\n\t\t}\n\n\t\tbool matches(const std::vector& roots, const std::string& mountPoint,\n\t\t\t\t\t const std::string& fsType, const std::string& source) const {\n\t\t\tif (!matchList(mountPointSubstrs, mountPoint) ||\n\t\t\t\t(!fsTypes.empty() && fsTypes.count(fsType) == 0) ||\n\t\t\t\t!matchSourceList(sources, source)) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t\tfor (const auto& root : roots) {\n\t\t\t\tif (matchList(rootSubstrs, root)) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn false;\n\t\t}\n\n\n\tprivate:\n\t\tstatic bool match_with_wildcard(const std::string& value, const std::string& rawPattern) {\n\t\t\tstd::string pattern;\n\t\t\tstd::vector isEscaped;\n\n\t\t\tfor (size_t i = 0; i < rawPattern.size(); ++i) {\n\t\t\t\tif (rawPattern[i] == '\\\\' && i + 1 < rawPattern.size()) {\n\t\t\t\t\t++i;\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(true);\n\t\t\t\t} else {\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(false);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tbool startsWithWildcard = !pattern.empty() && pattern.front() == '*' && !isEscaped[0];\n\t\t\tbool endsWithWildcard = !pattern.empty() &&\n\t\t\t\t\t\t\t\t\tpattern.back() == '*' &&\n\t\t\t\t\t\t\t\t\t!isEscaped[pattern.size() - 1];\n\n\t\t\tif (startsWithWildcard && endsWithWildcard && pattern.size() > 2) {\n\t\t\t\treturn value.find(pattern.substr(1, pattern.size() - 2)) != std::string::npos;\n\t\t\t} else if (startsWithWildcard) {\n\t\t\t\tstd::string suffix = pattern.substr(1);\n\t\t\t\treturn value.size() >= suffix.size() &&\n\t\t\t\t\t value.compare(value.size() - suffix.size(), suffix.size(), suffix) == 0;\n\t\t\t} else if (endsWithWildcard) {\n\t\t\t\tstd::string prefix = pattern.substr(0, pattern.size() - 1);\n\t\t\t\treturn value.compare(0, prefix.size(), prefix) == 0;\n\t\t\t} else {\n\t\t\t\treturn value == pattern;\n\t\t\t}\n\t\t}\n\n\t\tstatic bool match_source_pattern(const std::string& value, const std::string& rawPattern) {\n\t\t\tstd::string pattern;\n\t\t\tstd::vector isEscaped;\n\n\t\t\tfor (size_t i = 0; i < rawPattern.size(); ++i) {\n\t\t\t\tif (rawPattern[i] == '\\\\' && i + 1 < rawPattern.size()) {\n\t\t\t\t\t++i;\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(true);\n\t\t\t\t} else {\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(false);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tbool startsWithWildcard = !pattern.empty() && pattern.front() == '*' && !isEscaped[0];\n\t\t\tbool endsWithWildcard = !pattern.empty() &&\n\t\t\t\t\t\t\t\t\tpattern.back() == '*' &&\n\t\t\t\t\t\t\t\t\t!isEscaped[pattern.size() - 1];\n\n\t\t\tif (startsWithWildcard && endsWithWildcard && pattern.size() > 2) {\n\t\t\t\treturn value.find(pattern.substr(1, pattern.size() - 2)) != std::string::npos;\n\t\t\t} else if (startsWithWildcard) {\n\t\t\t\tstd::string suffix = pattern.substr(1);\n\t\t\t\treturn value.size() >= suffix.size() &&\n\t\t\t\t\t value.compare(value.size() - suffix.size(), suffix.size(), suffix) == 0;\n\t\t\t} else if (endsWithWildcard) {\n\t\t\t\tstd::string prefix = pattern.substr(0, pattern.size() - 1);\n\t\t\t\treturn value.compare(0, prefix.size(), prefix) == 0;\n\t\t\t} else {\n\t\t\t\treturn value == pattern;\n\t\t\t}\n\t\t}\n\n\t\tstatic bool matchList(const std::vector& patterns, const std::string& value) {\n\t\t\tif (patterns.empty()) return true;\n\t\t\treturn std::any_of(patterns.begin(), patterns.end(),\n\t\t\t\t\t\t\t [&](const std::string& p) { return match_with_wildcard(value, p); });\n\t\t}\n\n\t\tstatic bool matchSourceList(const std::vector& patterns, const std::string& value) {\n\t\t\tif (patterns.empty()) return true;\n\t\t\treturn std::any_of(patterns.begin(), patterns.end(),\n\t\t\t\t\t\t\t [&](const std::string& p) { return match_source_pattern(value, p); });\n\t\t}\n\t};\n\n\t// Not necessary anymore\n\tstruct MountEntry {\n\t\tstd::string root;\n\t\tstd::string mountPoint;\n\t\tstd::string fsType;\n\t\tstd::string mountSource;\n\t};\n\n\t// Used previously for testing its effectiveness\n\tstatic MountEntry parseMountinfo(const std::string& line) {\n\t\tstd::istringstream iss(line);\n\t\tstd::vector tokens;\n\t\tstd::string token;\n\n\t\twhile (iss >> token) tokens.push_back(token);\n\n\t\tauto sep = std::find(tokens.begin(), tokens.end(), \"-\");\n\t\tif (sep == tokens.end() || std::distance(tokens.begin(), sep) < 6) {\n\t\t\tLOGE(\"[MountRuleParser::parseMultipleRules]: Malformed mountinfo line\");\n\t\t\treturn {};\n\t\t}\n\n\t\tMountEntry entry;\n\t\tentry.root = tokens[3];\n\t\tentry.mountPoint = tokens[4];\n\t\tentry.fsType = *(sep + 1);\n\t\tentry.mountSource = *(sep + 2);\n\t\treturn entry;\n\t}\n\n\tstatic MountRule parseRuleString(const std::string& ruleText) {\n\t\tif (!validateSyntax(ruleText)) {\n\t\t\treturn {};\n\t\t}\n\n\t\tMountRule rule;\n\t\tauto tokens = tokenizePreserveQuotes(ruleText);\n\n\t\tenum Section { NONE, ROOT, POINT, FILESYSTEM, SOURCE } current = NONE;\n\t\tenum State { WRITING, IDLE } state = IDLE;\n\n\t\tfor (std::string& word : tokens) {\n\t\t\tif (state == IDLE) {\n\t\t\t\tif (current == NONE) {\n\t\t\t\t\tif (word == \"root\") current = ROOT;\n\t\t\t\t\telse if (word == \"point\") current = POINT;\n\t\t\t\t\telse if (word == \"fs\") current = FILESYSTEM;\n\t\t\t\t\telse if (word == \"source\") current = SOURCE;\n\t\t\t\t} else if (word == \"{\") {\n\t\t\t\t\tstate = WRITING;\n\t\t\t\t}\n\t\t\t} else if (state == WRITING && word == \"}\") {\n\t\t\t\tcurrent = NONE;\n\t\t\t\tstate = IDLE;\n\t\t\t} else {\n\t\t\t\tif ((word.front() == '\"' && word.back() == '\"') ||\n\t\t\t\t\t(word.front() == '\\'' && word.back() == '\\'')) {\n\t\t\t\t\tword = word.substr(1, word.size() - 2);\n\t\t\t\t}\n\n\t\t\t\tswitch (current) {\n\t\t\t\t\tcase ROOT:\n\t\t\t\t\t\trule.rootSubstrs.push_back(word);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase POINT:\n\t\t\t\t\t\trule.mountPointSubstrs.push_back(word);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase FILESYSTEM:\n\t\t\t\t\t\trule.fsTypes.insert(word);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase SOURCE:\n\t\t\t\t\t\trule.sources.push_back(word); // changed from insert() to push_back()\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn rule;\n\t}\n\n\tstatic std::vector parseMultipleRules(const std::vector& ruleTexts) {\n\t\tstd::vector rules;\n\t\tfor (const auto& text : ruleTexts) {\n\t\t\tMountRule rule = parseRuleString(text);\n\t\t\tif (rule) {\n\t\t\t\trules.push_back(rule);\n\t\t\t} else {\n\t\t\t\tLOGE(\"[MountRuleParser::parseMultipleRules]: Failed to parse rule: `%s`\", text.c_str());\n\t\t\t}\n\t\t}\n\t\treturn rules;\n\t}\n\nprivate:\n\tstatic bool validateSyntax(const std::string& text) {\n\t\tint braceCount = 0;\n\t\tbool inDoubleQuotes = false, inSingleQuotes = false;\n\n\t\tfor (size_t i = 0; i < text.size(); ++i) {\n\t\t\tchar ch = text[i];\n\t\t\tif (ch == '\"' && !inSingleQuotes && (i == 0 || text[i - 1] != '\\\\'))\n\t\t\t\tinDoubleQuotes = !inDoubleQuotes;\n\t\t\telse if (ch == '\\'' && !inDoubleQuotes && (i == 0 || text[i - 1] != '\\\\'))\n\t\t\t\tinSingleQuotes = !inSingleQuotes;\n\n\t\t\tif (!inDoubleQuotes && !inSingleQuotes) {\n\t\t\t\tif (ch == '{') ++braceCount;\n\t\t\t\telse if (ch == '}') {\n\t\t\t\t\t--braceCount;\n\t\t\t\t\tif (braceCount < 0) return false;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn braceCount == 0 && !inDoubleQuotes && !inSingleQuotes;\n\t}\n\n\tstatic std::vector tokenizePreserveQuotes(const std::string& text) {\n\t\tstd::vector tokens;\n\t\tstd::string current;\n\t\tbool inQuotes = false;\n\t\tchar quoteChar = '\\0';\n\n\t\tfor (size_t i = 0; i < text.length(); ++i) {\n\t\t\tchar c = text[i];\n\n\t\t\tif ((c == '\"' || c == '\\'') && (i == 0 || text[i - 1] != '\\\\')) {\n\t\t\t\tif (!inQuotes) {\n\t\t\t\t\tinQuotes = true;\n\t\t\t\t\tquoteChar = c;\n\t\t\t\t\tcurrent += c;\n\t\t\t\t} else if (c == quoteChar) {\n\t\t\t\t\tinQuotes = false;\n\t\t\t\t\tcurrent += c;\n\t\t\t\t\ttokens.push_back(current);\n\t\t\t\t\tcurrent.clear();\n\t\t\t\t} else {\n\t\t\t\t\tcurrent += c;\n\t\t\t\t}\n\t\t\t} else if (std::isspace(c) && !inQuotes) {\n\t\t\t\tif (!current.empty()) {\n\t\t\t\t\ttokens.push_back(current);\n\t\t\t\t\tcurrent.clear();\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tcurrent += c;\n\t\t\t}\n\t\t}\n\n\t\tif (!current.empty()) tokens.push_back(current);\n\t\treturn tokens;\n\t}\n};\n"], ["/NoHello/module/src/main/cpp/utils.cpp", "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \"log.h\"\n\nstd::pair devinobymap(const std::string& lib, bool useFind = false, unsigned int *ln = nullptr) {\n\tstd::ifstream maps(\"/proc/self/maps\");\n\tunsigned int index = 0;\n\tstd::string line;\n\tstd::string needle = \"/\" + lib;\n\twhile (std::getline(maps, line)) {\n\t\tif (ln && index < *ln) {\n\t\t\tindex++;\n\t\t\tcontinue;\n\t\t}\n\t\tif (line.size() >= needle.size() && ((useFind && line.find(needle) != std::string::npos) ||\n\t\t\tline.compare(line.size() - needle.size(), needle.size(), needle) == 0)) {\n\t\t\tstd::istringstream iss(line);\n\t\t\tstd::string addr, perms, offset, dev, inode_str;\n\t\t\tiss >> addr >> perms >> offset >> dev >> inode_str;\n\t\t\tstd::istringstream devsplit(dev);\n\t\t\tstd::string major_hex, minor_hex;\n\t\t\tif (std::getline(devsplit, major_hex, ':') &&\n\t\t\t\tstd::getline(devsplit, minor_hex)) {\n\t\t\t\tint major = std::stoi(major_hex, nullptr, 16);\n\t\t\t\tint minor = std::stoi(minor_hex, nullptr, 16);\n\t\t\t\tdev_t devnum = makedev(major, minor);\n\t\t\t\tino_t inode = std::stoul(inode_str);\n\t\t\t\tif (ln)\n\t\t\t\t\t*ln = index;\n\t\t\t\treturn {devnum, inode};\n\t\t\t}\n\t\t}\n\t\tindex++;\n\t}\n\tif (ln)\n\t\t*ln = -1;\n\treturn {dev_t(0), ino_t(0)};\n}\n\nstd::optional> devinoby(const char* lib) {\n\tstruct State {\n\t\tconst char* needle;\n\t\tstd::optional> result;\n\t} state = { lib };\n\n\tdl_iterate_phdr([](struct dl_phdr_info* info, size_t, void* data) -> int {\n\t\tauto* s = static_cast(data);\n\t\tif (info->dlpi_name && strstr(info->dlpi_name, s->needle)) {\n\t\t\tstruct stat st{};\n\t\t\tif (stat(info->dlpi_name, &st) == 0) {\n\t\t\t\ts->result = std::make_pair(st.st_dev, st.st_ino);\n\t\t\t\treturn 1; // Stop iteration\n\t\t\t}\n\t\t}\n\t\treturn 0; // Continue\n\t}, &state);\n\n\treturn state.result;\n}\n\nstd::optional> robaseby(dev_t dev, ino_t ino) {\n\tstruct State {\n\t\tdev_t dev;\n\t\tino_t ino;\n\t\tstd::optional> result;\n\t} state = { dev, ino };\n\n\tdl_iterate_phdr([](struct dl_phdr_info* info, size_t, void* data) -> int {\n\t\tauto* s = static_cast(data);\n\n\t\tstruct stat st{};\n\t\tif (stat(info->dlpi_name, &st) != 0)\n\t\t\treturn 0;\n\n\t\tif (st.st_dev != s->dev || st.st_ino != s->ino)\n\t\t\treturn 0;\n\n\t\tfor (int i = 0; i < info->dlpi_phnum; ++i) {\n\t\t\tconst auto& phdr = info->dlpi_phdr[i];\n\t\t\tif (phdr.p_type == PT_LOAD &&\n\t\t\t\t(phdr.p_flags & PF_R) &&\n\t\t\t\t!(phdr.p_flags & PF_X)) // r--p only\n\t\t\t{\n\t\t\t\tuintptr_t base = info->dlpi_addr + phdr.p_vaddr;\n\t\t\t\tsize_t size = phdr.p_memsz;\n\t\t\t\ts->result = std::make_pair(reinterpret_cast(base), size);\n\t\t\t\treturn 1; // Stop searching\n\t\t\t}\n\t\t}\n\n\t\treturn 0;\n\t}, &state);\n\n\treturn state.result;\n}\n\nint forkcall(const std::function &lambda)\n{\n\tpid_t pid = fork();\n\tif (pid == -1)\n\t\treturn -1;\n\tif (pid == 0) {\n\t\texit(lambda());\n\t} else {\n\t\tint status = -1;\n\t\twaitpid(pid, &status, 0);\n\t\tif (WIFEXITED(status)) {\n\t\t\treturn WEXITSTATUS(status);\n\t\t}\n\t}\n\treturn -1;\n}\n\nstatic inline int seccomp(int op, int fd, void *arg) {\n\treturn syscall(SYS_seccomp, op, fd, arg);\n}\n\nstatic int pidfd_open(pid_t pid, unsigned int flags)\n{\n\treturn syscall(SYS_pidfd_open, pid, flags);\n}\n\nstatic ssize_t process_vm_readv(pid_t pid,\n\t\t\t\t\t\t\t\t const struct iovec *local_iov,\n\t\t\t\t\t\t\t\t unsigned long liovcnt,\n\t\t\t\t\t\t\t\t const struct iovec *remote_iov,\n\t\t\t\t\t\t\t\t unsigned long riovcnt,\n\t\t\t\t\t\t\t\t unsigned long flags)\n{\n\treturn syscall(SYS_process_vm_readv, pid, local_iov, liovcnt, remote_iov, riovcnt, flags);\n}\n\nstatic ssize_t process_vm_writev(pid_t pid,\n\t\t\t\t\t\t\t\t const struct iovec *local_iov,\n\t\t\t\t\t\t\t\t unsigned long liovcnt,\n\t\t\t\t\t\t\t\t const struct iovec *remote_iov,\n\t\t\t\t\t\t\t\t unsigned long riovcnt,\n\t\t\t\t\t\t\t\t unsigned long flags)\n{\n\treturn syscall(SYS_process_vm_writev, pid, local_iov, liovcnt, remote_iov, riovcnt, flags);\n}\n\nbool nscg2(pid_t pid) {\n int pidfd = pidfd_open(pid, 0);\n if (pidfd != -1) {\n \t// https://man7.org/linux/man-pages/man2/setns.2.html\n int res = setns(pidfd, CLONE_NEWNS | CLONE_NEWCGROUP);\n close(pidfd);\n if (res) {\n LOGE(\"setns(pidfd_open(%d, 0) -> %d (closed), 0): %s\", pid, pidfd, strerror(errno));\n goto fallback;\n }\n return true;\n } else {\n LOGE(\"pidfd_open(%d): %s\", pid, strerror(errno));\n }\nfallback:\n {\n std::string mntPath = \"/proc/\" + std::to_string(pid) + \"/ns/mnt\";\n int mntfd_fallback = open(mntPath.c_str(), O_RDONLY);\n if (mntfd_fallback != -1) {\n int res = setns(mntfd_fallback, CLONE_NEWNS);\n if (res) {\n LOGE(\"setns(open(\\\"%s\\\") -> %d, CLONE_NEWNS): %s\", mntPath.c_str(), mntfd_fallback, strerror(errno));\n close(mntfd_fallback);\n return false;\n }\n close(mntfd_fallback);\n } else {\n LOGE(\"open(\\\"%s\\\"): %s\", mntPath.c_str(), strerror(errno));\n return false;\n }\n }\n {\n std::string cgPath = \"/proc/\" + std::to_string(pid) + \"/ns/cgroup\";\n int cgfd_fallback = open(cgPath.c_str(), O_RDONLY);\n if (cgfd_fallback != -1) {\n int res = setns(cgfd_fallback, CLONE_NEWCGROUP);\n if (res) {\n LOGE(\"setns(open(\\\"%s\\\") -> %d, CLONE_NEWCGROUP): %s\", cgPath.c_str(), cgfd_fallback, strerror(errno));\n close(cgfd_fallback);\n return false;\n }\n close(cgfd_fallback);\n } else {\n LOGE(\"open(\\\"%s\\\"): %s\", cgPath.c_str(), strerror(errno));\n return false;\n }\n }\n return true;\n}\n\n\nbool isuserapp(int uid) {\n\tint appid = uid % AID_USER_OFFSET;\n\tif (appid >= AID_APP_START && appid <= AID_APP_END)\n\t\treturn true;\n\tif (appid >= AID_ISOLATED_START && appid <= AID_ISOLATED_END)\n\t\treturn true;\n\treturn false;\n}\n\nstatic int sendfd(int sockfd, int fd) {\n\tint data;\n\tstruct iovec iov{};\n\tstruct msghdr msgh{};\n\tstruct cmsghdr *cmsgp;\n\n\t/* Allocate a char array of suitable size to hold the ancillary data.\n\t However, since this buffer is in reality a 'struct cmsghdr', use a\n\t union to ensure that it is suitably aligned. */\n\tunion {\n\t\tchar buf[CMSG_SPACE(sizeof(int))];\n\t\t/* Space large enough to hold an 'int' */\n\t\tstruct cmsghdr align;\n\t} controlMsg{};\n\n\t/* The 'msg_name' field can be used to specify the address of the\n\t destination socket when sending a datagram. However, we do not\n\t need to use this field because 'sockfd' is a connected socket. */\n\n\tmsgh.msg_name = nullptr;\n\tmsgh.msg_namelen = 0;\n\n\t/* On Linux, we must transmit at least one byte of real data in\n\t order to send ancillary data. We transmit an arbitrary integer\n\t whose value is ignored by recvfd(). */\n\n\tmsgh.msg_iov = &iov;\n\tmsgh.msg_iovlen = 1;\n\tiov.iov_base = &data;\n\tiov.iov_len = sizeof(int);\n\tdata = 12345;\n\n\t/* Set 'msghdr' fields that describe ancillary data */\n\n\tmsgh.msg_control = controlMsg.buf;\n\tmsgh.msg_controllen = sizeof(controlMsg.buf);\n\n\t/* Set up ancillary data describing file descriptor to send */\n\n\tcmsgp = reinterpret_cast(msgh.msg_control);\n\tcmsgp->cmsg_level = SOL_SOCKET;\n\tcmsgp->cmsg_type = SCM_RIGHTS;\n\tcmsgp->cmsg_len = CMSG_LEN(sizeof(int));\n\tmemcpy(CMSG_DATA(cmsgp), &fd, sizeof(int));\n\n\t/* Send real plus ancillary data */\n\n\tif (sendmsg(sockfd, &msgh, 0) == -1) return -1;\n\n\treturn 0;\n}\n\nstatic int recvfd(int sockfd) {\n\tint data, fd;\n\tssize_t nr;\n\tstruct iovec iov{};\n\tstruct msghdr msgh{};\n\n\t/* Allocate a char buffer for the ancillary data. See the comments\n\t in sendfd() */\n\tunion {\n\t\tchar buf[CMSG_SPACE(sizeof(int))];\n\t\tstruct cmsghdr align;\n\t} controlMsg{};\n\tstruct cmsghdr *cmsgp;\n\n\t/* The 'msg_name' field can be used to obtain the address of the\n\t sending socket. However, we do not need this information. */\n\n\tmsgh.msg_name = nullptr;\n\tmsgh.msg_namelen = 0;\n\n\t/* Specify buffer for receiving real data */\n\n\tmsgh.msg_iov = &iov;\n\tmsgh.msg_iovlen = 1;\n\tiov.iov_base = &data; /* Real data is an 'int' */\n\tiov.iov_len = sizeof(int);\n\n\t/* Set 'msghdr' fields that describe ancillary data */\n\n\tmsgh.msg_control = controlMsg.buf;\n\tmsgh.msg_controllen = sizeof(controlMsg.buf);\n\n\t/* Receive real plus ancillary data; real data is ignored */\n\n\tnr = recvmsg(sockfd, &msgh, 0);\n\tif (nr == -1) return -1;\n\n\tcmsgp = CMSG_FIRSTHDR(&msgh);\n\n\t/* Check the validity of the 'cmsghdr' */\n\n\tif (cmsgp == nullptr || cmsgp->cmsg_len != CMSG_LEN(sizeof(int)) ||\n\t\tcmsgp->cmsg_level != SOL_SOCKET || cmsgp->cmsg_type != SCM_RIGHTS) {\n\t\terrno = EINVAL;\n\t\treturn -1;\n\t}\n\n\t/* Return the received file descriptor to our caller */\n\n\tmemcpy(&fd, CMSG_DATA(cmsgp), sizeof(int));\n\treturn fd;\n}\n\nstatic int getKernelVersion() {\n\tstruct utsname un{};\n\tif (uname(&un) != 0) {\n\t\treturn 0;\n\t}\n\tint kmaj = 0, kmin = 0, kpatch = 0;\n\tsscanf(un.release, \"%d.%d.%d\", &kmaj, &kmin, &kpatch);\n\treturn KERNEL_VERSION(kmaj, kmin, kpatch);\n}\n\ntemplate \nbool xwrite(int fd, const T& data) {\n\tuint64_t size = sizeof(T);\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tif (write(fd, data.data(), size) != static_cast(size)) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\ntemplate<>\nbool xwrite(int fd, const std::string& data) {\n\tuint64_t size = data.size();\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tif (write(fd, data.data(), size) != static_cast(size)) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\nbool xwrite(int fd, const char* data) {\n\tif (!data) return false;\n\treturn xwrite(fd, std::string(data));\n}\n\ntemplate <>\nbool xwrite(int fd, const bool& data) {\n\tuint64_t size = sizeof(bool);\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tuint8_t byteData = data ? 1 : 0;\n\tif (write(fd, &byteData, sizeof(byteData)) != sizeof(byteData)) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\ntemplate <>\nbool xwrite(int fd, const uintptr_t& data) {\n\tuint64_t size = sizeof(uintptr_t);\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tif (write(fd, &data, size) != size) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\ntemplate \nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tif (size != sizeof(T)) {\n\t\treturn nullptr;\n\t}\n\tauto data = std::make_unique();\n\tif (read(fd, data.get(), size) != static_cast(size)) {\n\t\treturn nullptr;\n\t}\n\treturn data;\n}\n\ntemplate<>\nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tauto data = std::make_unique(size, '\\0');\n\tif (read(fd, data->data(), size) != static_cast(size)) {\n\t\treturn nullptr;\n\t}\n\treturn data;\n}\n\ntemplate <>\nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tif (size != sizeof(bool)) {\n\t\treturn nullptr;\n\t}\n\tuint8_t byteData = 0;\n\tif (read(fd, &byteData, sizeof(byteData)) != sizeof(byteData)) {\n\t\treturn nullptr;\n\t}\n\treturn std::make_unique(byteData != 0);\n}\n\ntemplate <>\nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tif (size != sizeof(uintptr_t)) {\n\t\treturn nullptr;\n\t}\n\tuintptr_t data = 0;\n\tif (read(fd, &data, size) != size) {\n\t\treturn nullptr;\n\t}\n\treturn std::make_unique(data);\n}\n"], ["/NoHello/module/src/main/cpp/log.h", "\n#pragma once\n\n#ifndef NOHELLO_LOG_H\n#define NOHELLO_LOG_H\n\n#ifdef DEBUG_BUILD\n#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, \"NoHello\", __VA_ARGS__)\n#else\n#define LOGD(...) ((void) 0)\n#endif\n\n#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, \"NoHello\", __VA_ARGS__)\n#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, \"NoHello\", __VA_ARGS__)\n#define LOGW(...) __android_log_print(ANDROID_LOG_WARN, \"NoHello\", __VA_ARGS__)\n#define LOGF(...) __android_log_print(ANDROID_LOG_FATAL, \"NoHello\", __VA_ARGS__)\n\n#endif //NOHELLO_LOG_H\n"]], "task_instance_info": {"created_time": "2025-08-20 19:48:54", "created_task_model": "DeepSeek-R1", "function_skeleton": "bool loadFromFile() {}", "code_description": "This code segment functions to: Read and parse configuration data from persistent storage, filtering invalid entries while maintaining insertion order and providing direct access mappings."}, "inference_content": {"inference_model": "DeepSeek-R1", "inference_result": "```cpp\n[TASK_BEGIN]\nbool loadFromFile() {\n std::ifstream file(filePath);\n if (!file.is_open()) {\n LOGE(\"PropertyManager: Could not open %s for loading.\", filePath.c_str());\n return false;\n }\n\n orderedProps.clear();\n keyIndex.clear();\n \n std::string line;\n while (std::getline(file, line)) {\n size_t equals_pos = line.find('=');\n if (equals_pos == std::string::npos) continue;\n\n std::string key = line.substr(0, equals_pos);\n std::string value = line.substr(equals_pos + 1);\n size_t new_index = orderedProps.size();\n orderedProps.emplace_back(key, value);\n keyIndex[key] = new_index;\n }\n \n file.close();\n return true;\n}\n[TASK_END]\n```", "inference_time": "2025-08-20 19-49-49"}, "editdistance_info": {"edit_distance": 47.619, "calculate_time": "2025-08-20 19:49:49", "true_code_clean": "bool loadFromFile() {\n\torderedProps.clear();\n\tkeyIndex.clear();\n\tstd::ifstream file(filePath);\n\tif (!file.is_open()) {\n\t\tLOGW(\"PropertyManager: Could not open %s for loading.\", filePath.c_str());\n\t\treturn false;\n\t}\n\tstd::string line;\n\twhile (std::getline(file, line)) {\n\t\tif (line.empty() || line[0] == '#')\n\t\t\tcontinue;\n\t\tauto pos = line.find('=');\n\t\tif (pos == std::string::npos)\n\t\t\tcontinue;\n\t\tstd::string key = line.substr(0, pos);\n\t\tstd::string val = line.substr(pos + 1);\n\t\tsize_t idx = orderedProps.size();\n\t\torderedProps.emplace_back(key, val);\n\t\tkeyIndex[key] = idx;\n\t}\n\tfile.close();\n\treturn true;\n}", "predict_code_clean": "bool loadFromFile() {\n std::ifstream file(filePath);\n if (!file.is_open()) {\n LOGE(\"PropertyManager: Could not open %s for loading.\", filePath.c_str());\n return false;\n }\n orderedProps.clear();\n keyIndex.clear();\n std::string line;\n while (std::getline(file, line)) {\n size_t equals_pos = line.find('=');\n if (equals_pos == std::string::npos) continue;\n std::string key = line.substr(0, equals_pos);\n std::string value = line.substr(equals_pos + 1);\n size_t new_index = orderedProps.size();\n orderedProps.emplace_back(key, value);\n keyIndex[key] = new_index;\n }\n file.close();\n return true;\n}"}} {"repo_name": "NoHello", "file_name": "/NoHello/module/src/main/cpp/PropertyManager.h", "inference_info": {"prefix_code": "class PropertyManager {\n public:\n explicit PropertyManager(std::string path) {\n\tloadFromFile();\n}\n std::string getProp(const std::string& key, const std::string& defaultValue = \"\") {\n\tauto it = keyIndex.find(key);\n\treturn it != keyIndex.end() ? orderedProps[it->second].second : defaultValue;\n}\n void setProp(const std::string& key, const std::string& value) {\n\tauto it = keyIndex.find(key);\n\tif (it != keyIndex.end()) {\n\t\t// Update existing\n\t\torderedProps[it->second].second = value;\n\t} else {\n\t\t// Append new\n\t\tsize_t idx = orderedProps.size();\n\t\torderedProps.emplace_back(key, value);\n\t\tkeyIndex[key] = idx;\n\t}\n\n\tsaveToFile();\n}\n private:\n std::string filePath;\n std::vector> orderedProps;\n std::unordered_map keyIndex;\n ", "suffix_code": "\n bool saveToFile() {\n\tstd::ofstream file(filePath, std::ios::trunc);\n\tif (!file.is_open()) {\n\t\tLOGE(\"PropertyManager: Could not open %s for saving.\", filePath.c_str());\n\t\treturn false;\n\t}\n\n\tfor (const auto& [key, value] : orderedProps) {\n\t\tfile << key << \"=\" << value << '\\n';\n\t}\n\n\tfile.close();\n\treturn true;\n}\n};", "middle_code": "bool loadFromFile() {\n\torderedProps.clear();\n\tkeyIndex.clear();\n\tstd::ifstream file(filePath);\n\tif (!file.is_open()) {\n\t\tLOGW(\"PropertyManager: Could not open %s for loading.\", filePath.c_str());\n\t\treturn false;\n\t}\n\tstd::string line;\n\twhile (std::getline(file, line)) {\n\t\tif (line.empty() || line[0] == '#')\n\t\t\tcontinue;\n\t\tauto pos = line.find('=');\n\t\tif (pos == std::string::npos)\n\t\t\tcontinue;\n\t\tstd::string key = line.substr(0, pos);\n\t\tstd::string val = line.substr(pos + 1);\n\t\tsize_t idx = orderedProps.size();\n\t\torderedProps.emplace_back(key, val);\n\t\tkeyIndex[key] = idx;\n\t}\n\tfile.close();\n\treturn true;\n}", "code_description": null, "fill_type": "FUNCTION_TYPE", "language_type": "cpp", "sub_task_type": null}, "context_code": [["/NoHello/module/src/main/cpp/nohello.cpp", "/* Copyright 2022-2023 John \"topjohnwu\" Wu\n * Copyright 2024 The NoHello Contributors\n *\n * Permission to use, copy, modify, and/or distribute this software for any\n * purpose with or without fee is hereby granted.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\n * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\n * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\n * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\n * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\n * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\n * PERFORMANCE OF THIS SOFTWARE.\n */\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include // For std::pair, std::move\n\n#include \"zygisk.hpp\"\n#include \"external/android_filesystem_config.h\"\n#include \"mountsinfo.cpp\"\n#include \"utils.cpp\"\n#include \"external/fdutils/fd_utils.cpp\"\n#include \n#include \n#include \n#include \n#include \"log.h\"\n#include \"PropertyManager.cpp\"\n#include \"MountRuleParser.cpp\"\n#include \"external/emoji.h\"\n\nusing zygisk::Api;\nusing zygisk::AppSpecializeArgs;\nusing zygisk::ServerSpecializeArgs;\n\nnamespace fs = std::filesystem;\n\nstatic constexpr off_t EXT_SUPERBLOCK_OFFSET = 0x400;\nstatic constexpr off_t EXT_MAGIC_OFFSET = 0x38;\nstatic constexpr off_t EXT_ERRORS_OFFSET = 0x3C;\nstatic constexpr uint16_t EXT_MAGIC = 0xEF53;\nstatic const std::vector defaultRules = {\n\t\tR\"(source { \"KSU\", \"APatch\", \"magisk\", \"worker\" } fs { \"tmpfs\" \"overlay\" })\"\n};\n\nenum Advice {\n\tNORMAL = 0,\n\tMODULE_CONFLICT = 2,\n};\n\nenum State {\n\tSUCCESS = 0,\n\tFAILURE = 1\n};\n\nstatic const std::set toumount_sources = {\"KSU\", \"APatch\", \"magisk\", \"worker\"};\nstatic const std::string adbPathPrefix = \"/data/adb\";\n\nstatic bool anomaly(MountRootResolver mrs, const MountInfo &mount) {\n\tconst std::string resolved_root = mrs.resolveRoot(mount);\n\tif (resolved_root.starts_with(adbPathPrefix) || mount.getMountPoint().starts_with(adbPathPrefix)) {\n\t\treturn true;\n\t}\n\tconst auto& fs_type = mount.getFsType();\n\tconst auto& mnt_src = mount.getMountSource();\n\tif (toumount_sources.count(mnt_src)) {\n\t\treturn true;\n\t}\n\tif (fs_type == \"overlay\") {\n\t\tif (toumount_sources.count(mnt_src)) {\n\t\t\treturn true;\n\t\t}\n\t\tconst auto& fm = mount.getMountOptions().flagmap;\n\t\tif (fm.count(\"lowerdir\") && fm.at(\"lowerdir\").starts_with(adbPathPrefix)) {\n\t\t\treturn true;\n\t\t}\n\t\tif (fm.count(\"upperdir\") && fm.at(\"upperdir\").starts_with(adbPathPrefix)) {\n\t\t\treturn true;\n\t\t}\n\t\tif (fm.count(\"workdir\") && fm.at(\"workdir\").starts_with(adbPathPrefix)) {\n\t\t\treturn true;\n\t\t}\n\t} else if (fs_type == \"tmpfs\") {\n\t\tif (toumount_sources.count(mnt_src)) {\n\t\t\treturn true;\n\t\t}\n\t}\n\treturn false;\n}\n\nstatic bool anomaly(const MountRuleParser::MountRule& rule, MountRootResolver mrs, const MountInfo &mount) {\n\tconst std::string resolvedRoot = mrs.resolveRoot(mount);\n\tconst auto& fsType = mount.getFsType();\n\tif (fsType != \"overlay\") {\n\t\treturn rule.matches(resolvedRoot, mount.getMountPoint(), fsType, mount.getMountSource());\n\t} else {\n\t\tconst auto& fm = mount.getMountOptions().flagmap;\n\t\tstd::vector roots = {resolvedRoot};\n\t\tfor (const auto* key : {\"lowerdir\", \"upperdir\", \"workdir\"}) {\n\t\t\tauto it = fm.find(key);\n\t\t\tif (it != fm.end()) {\n\t\t\t\troots.push_back(it->second);\n\t\t\t}\n\t\t}\n\t\treturn rule.matches(roots, mount.getMountPoint(), fsType, mount.getMountSource());\n\t}\n\treturn false;\n}\n\nstatic bool anomaly(const std::vector& rules, MountRootResolver mrs, const MountInfo &mount) {\n\tconst std::string resolvedRoot = mrs.resolveRoot(mount);\n\tconst auto& fsType = mount.getFsType();\n\tconst auto& fm = mount.getMountOptions().flagmap;\n\tfor (const auto& rule : rules) {\n\t\tif (fsType != \"overlay\") {\n\t\t\tif (rule.matches(resolvedRoot, mount.getMountPoint(), fsType, mount.getMountSource()))\n\t\t\t\treturn true;\n\t\t} else {\n\t\t\tstd::vector roots = {resolvedRoot};\n\t\t\tfor (const auto* key : {\"lowerdir\", \"upperdir\", \"workdir\"}) {\n\t\t\t\tauto it = fm.find(key);\n\t\t\t\tif (it != fm.end()) {\n\t\t\t\t\troots.push_back(it->second);\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (rule.matches(roots, mount.getMountPoint(), fsType, mount.getMountSource()))\n\t\t\t\treturn true;\n\t\t}\n\t}\n\treturn false;\n}\n\nstatic std::pair anomaly(const std::unique_ptr fdi) {\n\tif (fdi->is_sock) {\n\t\tstd::string socket_name;\n\t\tif (fdi->GetSocketName(&socket_name)) {\n\t\t\tif (socket_name.find(\"magisk\") != std::string::npos ||\n\t\t\t\tsocket_name.find(\"kernelsu\") != std::string::npos || // For KernelSU daemon, common pattern\n\t\t\t\tsocket_name.find(\"ksud\") != std::string::npos || // KernelSU daemon\n\t\t\t\tsocket_name.find(\"apatchd\") != std::string::npos || // For APatch daemon, common pattern\n\t\t\t\tsocket_name.find(\"apd\") != std::string::npos // APatch daemon\n\t\t\t\t\t) {\n\t\t\t\tLOGD(\"Marking sensitive socket FD %d (%s) for sanitization.\", fdi->fd, socket_name.c_str());\n\t\t\t\treturn {true, true};\n\t\t\t}\n\t\t}\n\t} else { // Not a socket\n\t\tif (!fdi->file_path.starts_with(\"/memfd:\") &&\n\t\t\t!fdi->file_path.starts_with(\"/dev/ashmem\") && // Common, usually not root related\n\t\t\t!fdi->file_path.starts_with(\"[anon_inode:\") && // e.g., [anon_inode:sync_fence]\n\t\t\t!fdi->file_path.empty() // Ensure path is not empty\n\t\t\t\t) {\n\t\t\tif (fdi->file_path.starts_with(adbPathPrefix) ||\n\t\t\t\tfdi->file_path.find(\"magisk\") != std::string::npos ||\n\t\t\t\tfdi->file_path.find(\"kernelsu\") != std::string::npos ||\n\t\t\t\tfdi->file_path.find(\"apatch\") != std::string::npos) {\n\t\t\t\tLOGD(\"Marking sensitive file FD %d (%s) for sanitization.\", fdi->fd, fdi->file_path.c_str());\n\t\t\t\treturn {true, true};\n\t\t\t}\n\t\t}\n\t}\n\treturn {false, false};\n}\n\n\nstatic std::unique_ptr getExternalErrorBehaviour(const MountInfo& mount) {\n\tconst auto& fs = mount.getFsType();\n\tif (fs != \"ext2\" && fs != \"ext3\" && fs != \"ext4\")\n\t\treturn nullptr;\n\tstd::ifstream mntsrc(mount.getMountSource(), std::ios::binary);\n\tif (!mntsrc || !mntsrc.is_open())\n\t\treturn nullptr;\n\tuint16_t magic;\n\tmntsrc.seekg(EXT_SUPERBLOCK_OFFSET + EXT_MAGIC_OFFSET, std::ios::beg);\n\tmntsrc.read(reinterpret_cast(&magic), sizeof(magic));\n\tif (!mntsrc || mntsrc.gcount() != sizeof(magic))\n\t\treturn nullptr;\n\tmagic = le16toh(magic);\n\tif (magic != EXT_MAGIC)\n\t\treturn nullptr;\n\tuint16_t errors;\n\tmntsrc.seekg(EXT_SUPERBLOCK_OFFSET + EXT_ERRORS_OFFSET, std::ios::beg);\n\tmntsrc.read(reinterpret_cast(&errors), sizeof(errors));\n\tif (!mntsrc || mntsrc.gcount() != sizeof(errors))\n\t\treturn nullptr;\n\terrors = le16toh(errors);\n\tswitch (errors)\n\t{\n\t\tcase 1:\n\t\t\treturn std::make_unique(\"continue\");\n\t\tcase 2:\n\t\t\treturn std::make_unique(\"remount-ro\");\n\t\tcase 3:\n\t\t\treturn std::make_unique(\"panic\");\n\t\tdefault:\n\t\t\treturn nullptr;\n\t}\n\treturn nullptr;\n}\n\nstatic void doumount(const std::string& mntPnt);\n\nstatic void unmount(const std::vector& mounts) {\n\tMountRootResolver mrs(mounts);\n\tfor (const auto& mount : std::ranges::reverse_view(mounts)) {\n\t\tif (anomaly(mrs, mount))\n\t\t\tdoumount(mount.getMountPoint());\n\t}\n}\n\nstatic void unmount(const std::vector& rules, const std::vector& mounts) {\n\tMountRootResolver mrs(mounts);\n\tfor (const auto& mount : std::ranges::reverse_view(mounts)) {\n\t\tif (anomaly(rules, mrs, mount))\n\t\t\tdoumount(mount.getMountPoint());\n\t}\n}\n\nstatic void unmount(const MountRuleParser::MountRule& rule, const std::vector& mounts) {\n\tMountRootResolver mrs(mounts);\n\tfor (const auto& mount : std::ranges::reverse_view(mounts)) {\n\t\tif (anomaly(rule, mrs, mount))\n\t\t\tdoumount(mount.getMountPoint());\n\t}\n}\n\nstatic void doumount(const std::string& mntPnt) {\n\terrno = 0;\n\tint res;\n\tconst char *mntpnt = mntPnt.c_str();\n\tif ((res = umount2(mntpnt, MNT_DETACH)) == 0)\n\t\tLOGD(\"umount2(\\\"%s\\\", MNT_DETACH): returned (0): 0 (Success)\", mntpnt);\n\telse\n\t\tLOGE(\"umount2(\\\"%s\\\", MNT_DETACH): returned %d: %d (%s)\", mntpnt, res, errno, strerror(errno));\n}\n\nstatic void remount(const std::vector& mounts) {\n\tfor (const auto& mount : mounts) {\n\t\tif (mount.getMountPoint() == \"/data\") {\n\t\t\tconst auto& mntopts = mount.getMountOptions();\n\t\t\tconst auto& fm = mntopts.flagmap;\n\t\t\tif (!fm.count(\"errors\"))\n\t\t\t\tbreak;\n\t\t\tauto errors = getExternalErrorBehaviour(mount);\n\t\t\tif (!errors || fm.at(\"errors\") == *errors)\n\t\t\t\tbreak;\n\t\t\tauto mntflags = mount.getFlags();\n\t\t\tunsigned int flags = MS_REMOUNT;\n\t\t\tif (mntflags & MountFlags::NOSUID) {\n\t\t\t\tflags |= MS_NOSUID;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NODEV) {\n\t\t\t\tflags |= MS_NODEV;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NOEXEC) {\n\t\t\t\tflags |= MS_NOEXEC;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NOATIME) {\n\t\t\t\tflags |= MS_NOATIME;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NODIRATIME) {\n\t\t\t\tflags |= MS_NODIRATIME;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::RELATIME) {\n\t\t\t\tflags |= MS_RELATIME;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NOSYMFOLLOW) {\n\t\t\t\tflags |= MS_NOSYMFOLLOW;\n\t\t\t}\n\t\t\tint res;\n\t\t\tif ((res = ::mount(nullptr, \"/data\", nullptr, flags, (std::string(\"errors=\") + *errors).c_str())) == 0)\n\t\t\t\tLOGD(\"mount(nullptr, \\\"/data\\\", nullptr, 0x%x, \\\"errors=%s\\\"): returned 0: 0 (Success)\", flags, errors->c_str());\n\t\t\telse\n\t\t\t\tLOGW(\"mount(NULL, \\\"/data\\\", NULL, 0x%x, \\\"errors=%s\\\"): returned %d: %d (%s)\", flags, errors->c_str(), res, errno, strerror(errno));\n\t\t\tbreak;\n\t\t}\n\t}\n}\n\nint (*ar_unshare)(int) = nullptr;\n\nstatic int reshare(int flags) {\n errno = 0;\n return ar_unshare(flags & ~(CLONE_NEWNS | CLONE_NEWCGROUP));\n}\n\nclass NoHello : public zygisk::ModuleBase {\npublic:\n void onLoad(Api *_api, JNIEnv *_env) override {\n this->api = _api;\n this->env = _env;\n }\n\n void preAppSpecialize(AppSpecializeArgs *args) override {\n preSpecialize(args);\n }\n\n\tvoid postAppSpecialize(const AppSpecializeArgs *args) override {\n\t\tconst char *process = env->GetStringUTFChars(args->nice_name, nullptr);\n\t\tpostSpecialize(process);\n\t\tenv->ReleaseStringUTFChars(args->nice_name, process);\n\t}\n\n void preServerSpecialize(ServerSpecializeArgs *args) override {\n //preSpecialize(\"system_server\"); // System server usually doesn't need this level of hiding\n\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n }\n\nprivate:\n Api *api{};\n JNIEnv *env{};\n\tint cfd{};\n\tdev_t rundev{};\n\tino_t runinode{};\n\tdev_t cdev{};\n\tino_t cinode{};\n\n\n void preSpecialize(AppSpecializeArgs *args) {\n\t\tunsigned int flags = api->getFlags();\n\t\tconst bool whitelist = access(\"/data/adb/nohello/whitelist\", F_OK) == 0;\n\t\tconst bool nodirtyro = access(\"/data/adb/nohello/no_dirtyro_ar\", F_OK) == 0;\n\t\tif (flags & zygisk::StateFlag::PROCESS_GRANTED_ROOT) {\n\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\treturn;\n\t\t}\n\t\tauto fn = [this](const std::string& lib) {\n\t\t\tauto di = devinoby(lib.c_str());\n\t\t\tif (di) {\n\t\t\t\treturn *di;\n\t\t\t} else {\n\t\t\t\tLOGW(\"#[zygisk::?] devino[dl_iterate_phdr]: Failed to get device & inode for %s\", lib.c_str());\n\t\t\t\tLOGI(\"#[zygisk::?] Fallback to use `/proc/self/maps`\");\n\t\t\t\treturn devinobymap(lib);\n\t\t\t}\n\t\t};\n\t\tif ((whitelist && isuserapp(args->uid)) || flags & zygisk::StateFlag::PROCESS_ON_DENYLIST) {\n\t\t\tpid_t pid = getpid(), ppid = getppid();\n\t\t\tcfd = api->connectCompanion(); // Companion FD\n\t\t\tapi->exemptFd(cfd);\n\t\t\tif (write(cfd, &ppid, sizeof(ppid)) != sizeof(ppid)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] write: [-> ppid]: %s\", strerror(errno));\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tint advice;\n\t\t\tif (read(cfd, &advice, sizeof(advice)) != sizeof(advice)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [<- status]: %s\", strerror(errno));\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tif (advice == MODULE_CONFLICT) {\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tstd::tie(cdev, cinode) = fn(\"libc.so\");\n\t\t\tif (!cdev && !cinode) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] Failed to get device & inode for libc.so\");\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tstd::tie(rundev, runinode) = fn(\"libandroid_runtime.so\");\n\t\t\tif (!rundev && !runinode) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] Failed to get device & inode for libandroid_runtime.so\");\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tapi->pltHookRegister(rundev, runinode, \"unshare\", (void*) reshare, (void**) &ar_unshare);\n\t\t\tapi->pltHookCommit();\n\t\t\tif (!nodirtyro) {\n\t\t\t\tif (auto res = robaseby(rundev, runinode)) {\n\t\t\t\t\t/*\n\t\t\t\t\t * Temporary workaround to fix detection in apps that checks Shared_Clean\n\t\t\t\t\t * if >= 512kb\n\t\t\t\t\t */\n\t\t\t\t\tauto [base, size] = *res;\n\t\t\t\t\tlong pagesz = sysconf(_SC_PAGESIZE);\n\t\t\t\t\tsize_t alignedSize = (size + pagesz - 1) & ~(pagesz - 1);\n\t\t\t\t\tmprotect(base, alignedSize, PROT_READ | PROT_WRITE);\n\t\t\t\t\tfor (uintptr_t addr = (uintptr_t) base; addr < (uintptr_t) base + size; addr += pagesz) {\n\t\t\t\t\t\tvoid* page = reinterpret_cast(addr);\n\t\t\t\t\t\tuint8_t orig = *(volatile uint8_t*) page;\n\t\t\t\t\t\t*(volatile uint8_t*) page = orig;\n\t\t\t\t\t}\n\t\t\t\t\tmprotect(base, alignedSize, PROT_READ);\n\t\t\t\t\tmadvise(base, alignedSize, MADV_REMOVE);\n\t\t\t\t} else {\n\t\t\t\t\tLOGW(\"#[zygisk::preSpecialize] Failed to get ro block for libandroid_runtime.so\");\n\t\t\t\t}\n\t\t\t}\n\t\t\tstd::vector, bool>> fdSanitizeList; // bool is shouldDetach\n\t\t\tauto fds = GetOpenFds([](const std::string &error){\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] GetOpenFds: %s\", error.c_str());\n\t\t\t});\n\t\t\tif (fds) {\n\t\t\t\tfor (auto &fd : *fds) {\n\t\t\t\t\tif (fd == cfd) continue; // Skip companion FD itself\n\t\t\t\t\tauto fdi = FileDescriptorInfo::CreateFromFd(fd, [fd](const std::string &error){\n\t\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize] CreateFromFd(%d): %s\", fd, error.c_str());\n\t\t\t\t\t});\n\t\t\t\t\tif (!fdi)\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\tauto [canSanitize, shouldDetach] = anomaly(std::move(fdi));\n\t\t\t\t\tif (canSanitize) {\n\t\t\t\t\t\tfdSanitizeList.emplace_back(std::move(fdi), shouldDetach);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tint res = unshare(CLONE_NEWNS | CLONE_NEWCGROUP);\n\t\t\tif (res != 0) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] unshare: %s\", strerror(errno));\n\t\t\t\t// There's nothing we can do except returning\n\t\t\t\tclose(cfd);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tres = mount(\"rootfs\", \"/\", nullptr, MS_SLAVE | MS_REC, nullptr);\n\t\t\tif (res != 0) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] mount(rootfs, \\\"/\\\", nullptr, MS_SLAVE | MS_REC, nullptr): returned %d: %d (%s)\", res, errno, strerror(errno));\n\t\t\t\t// There's nothing we can do except returning\n\t\t\t\tclose(cfd);\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tstatic std::vector mountRules;\n\n\t\t\tif (write(cfd, &pid, sizeof(pid)) != sizeof(pid)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] write: [-> pid]: %s\", strerror(errno));\n\t\t\t\tres = FAILURE; // Fallback to unmount from zygote\n\t\t\t} else if (read(cfd, &res, sizeof(res)) != sizeof(res)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [<- status]: %s\", strerror(errno));\n\t\t\t\tres = FAILURE; // Fallback to unmount from zygote\n\t\t\t} else if (res == FAILURE) {\n\t\t\t\tLOGW(\"#[zygisk::preSpecialize]: Companion failed, fallback to unmount in zygote process\");\n\t\t\t\tmountRules = MountRuleParser::parseMultipleRules([this]() {\n\t\t\t\t\tauto sizeOfRulesPtr = xread(cfd);\n\t\t\t\t\tif (!sizeOfRulesPtr) {\n\t\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [sizeOfRules]: %s\", strerror(errno));\n\t\t\t\t\t\treturn defaultRules;\n\t\t\t\t\t}\n\t\t\t\t\tauto sizeOfRules = *sizeOfRulesPtr;\n\t\t\t\t\tstd::vector rules(sizeOfRules, \"\");\n\t\t\t\t\tfor (int i = 0; i < sizeOfRules; ++i) {\n\t\t\t\t\t\tauto rule = xread(cfd);\n\t\t\t\t\t\tif (!rule) {\n\t\t\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [rule (at index %d)]: %s\", i, strerror(errno));\n\t\t\t\t\t\t\treturn defaultRules;\n\t\t\t\t\t\t}\n\t\t\t\t\t\trules[i] = std::move(*rule);\n\t\t\t\t\t}\n\t\t\t\t\treturn rules;\n\t\t\t\t}());\n\t\t\t}\n\n\t\t\tclose(cfd);\n\n\t\t\tif (res == FAILURE) {\n\t\t\t\tLOGW(\"#[zygisk::preSpecialize]: Companion failed, fallback to unmount in zygote process\");\n\t\t\t\tunmount(mountRules, getMountInfo()); // Unmount in current (zygote) namespace as fallback\n\t\t\t}\n\n\t\t\t// Sanitize FDs after companion communication and potential mount changes\n\t\t\tfor (auto &[fdi, shouldDetach] : fdSanitizeList) {\n\t\t\t\tLOGD(\"#[zygisk::preSpecialize]: Sanitizing FD %d (path: %s, socket: %d), detach: %d\",\n\t\t\t\t\t fdi->fd, fdi->file_path.c_str(), fdi->is_sock, shouldDetach);\n\t\t\t\tfdi->ReopenOrDetach([\n\t\t\t\t\t\t\t\t\t\t\tfd = fdi->fd,\n\t\t\t\t\t\t\t\t\t\t\tpath = fdi->file_path // Capture path by value for lambda\n\t\t\t\t\t\t\t\t\t](const std::string &error){\n\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize]: Sanitize FD %d (%s): %s\", fd, path.c_str(), error.c_str());\n\t\t\t\t}, shouldDetach);\n\t\t\t}\n\t\t\treturn;\n\t\t}\n api->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n }\n\n\tvoid postSpecialize(const char *process) {\n // Unhook PLT hooks\n\t\tif (ar_unshare) {\n\t\t\tapi->pltHookRegister(rundev, runinode, \"unshare\", (void*) ar_unshare, nullptr);\n ar_unshare = nullptr; // Clear pointer\n }\n\t\tapi->pltHookCommit();\n\t\t//close(cfd);\n\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t}\n\n};\n\nstatic void NoRoot(int fd) {\n\tpid_t pid = -1, ppid = -1;\n\tstatic unsigned int successRate = 0;\n\tstatic const std::string description = [] {\n\t\tstd::ifstream f(\"/data/adb/modules/zygisk_nohello/description\");\n\t\t// This file exists only after installing/updating the module\n\t\t// It should have the default description\n\t\t// Since this is static const it's only evaluated once per boot since companion won't exit\n\t\treturn f ? ([](std::ifstream& s){ std::string l; std::getline(s, l); return l; })(f) : \"A Zygisk module to hide root.\";\n\t}();\n\tstatic PropertyManager pm(\"/data/adb/modules/zygisk_nohello/module.prop\");\n\n\tstatic const int compatbility = [] {\n\t\tif (fs::exists(\"/data/adb/modules/zygisk_shamiko\") && !fs::exists(\"/data/adb/modules/zygisk_shamiko/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\tif (fs::exists(\"/data/adb/modules/zygisk-assistant\") && !fs::exists(\"/data/adb/modules/zygisk-assistant/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\tif (fs::exists(\"/data/adb/modules/treat_wheel\") && !fs::exists(\"/data/adb/modules/treat_wheel/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\tif (fs::exists(\"/data/adb/modules/susfs4ksu\") && !fs::exists(\"/data/adb/modules/susfs4ksu/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\treturn NORMAL;\n\t}();\n\n\tstatic const bool doesUmountPersists = []() {\n\t\treturn fs::exists(\"/data/adb/nohello/umount_persist\") || fs::exists(\"/data/adb/nohello/umount_persists\");\n\t}();\n\n\tstatic std::vector stringRules;\n\tstatic std::vector mountRules;\n\tstatic bool evaluateOnlyOnce = false;\n\n\tif (!evaluateOnlyOnce) {\n\t\tstringRules = []() {\n\t\t\tstd::vector rules;\n\t\t\tstd::ifstream f(\"/data/adb/nohello/umount\");\n\t\t\tif (f && f.is_open()) {\n\t\t\t\tstd::string line;\n\t\t\t\twhile (std::getline(f, line)) {\n\t\t\t\t\tif (!line.empty() && line[0] != '#')\n\t\t\t\t\t\trules.push_back(line);\n\t\t\t\t}\n\t\t\t\tf.close();\n\t\t\t} else {\n\t\t\t\trules = defaultRules;\n\t\t\t\tstd::ofstream redef(\"/data/adb/nohello/umount\");\n\t\t\t\tif (redef && redef.is_open()) {\n\t\t\t\t\tfor (const auto &rule: rules)\n\t\t\t\t\t\tredef << rule << std::endl;\n\t\t\t\t\tf.close();\n\t\t\t\t} else\n\t\t\t\t\tLOGE(\"Unable to create `/data/adb/nohello/umount`\");\n\t\t\t}\n\t\t\treturn rules;\n\t\t}();\n\t\tmountRules = MountRuleParser::parseMultipleRules(stringRules);\n\t\tif (doesUmountPersists)\n\t\t\tevaluateOnlyOnce = true;\n\t}\n\n\tif (read(fd, &ppid, sizeof(ppid)) != sizeof(ppid)) {\n\t\tLOGE(\"#[ps::Companion] Failed to read PPID: %s\", strerror(errno));\n\t\tclose(fd);\n\t\treturn;\n\t}\n\n\tstatic const pid_t clrMsgZygote = [ppid]() -> pid_t {\n\t\tif (fs::exists(\"/data/adb/nohello/no_clr_ptracemsg\"))\n\t\t\t// Apply the fix only by user's choice\n\t\t\treturn ppid;\n\t\tif (getKernelVersion() >= KERNEL_VERSION(6, 1, 0))\n\t\t\t// The issue was fixed in 6.1+\n\t\t\t// https://marc.info/?l=linux-arch&m=164124554311501&w=2\n\t\t\treturn ppid;\n\t\t// Re-work this to avoid issues with bootloops\n\t\t// https://github.com/PerformanC/ReZygisk/issues/171\n\t\tif (ptrace(PTRACE_ATTACH, ppid, nullptr, nullptr) == -1) {\n\t\t\tLOGE(\"#[ps::Companion] ptrace(PTRACE_ATTACH, %d, nullptr, nullptr): %s\", ppid,\n\t\t\t\t strerror(errno));\n\t\t\treturn -1;\n\t\t}\n\t\twaitpid(ppid, nullptr, 0);\n\t\tif (ptrace(PTRACE_SYSCALL, ppid, nullptr, nullptr) == -1) {\n\t\t\tLOGE(\"#[ps::Companion] ptrace(PTRACE_SYSCALL, %d, nullptr, nullptr): %s\", ppid, strerror(errno));\n\t\t\tptrace(PTRACE_DETACH, ppid, nullptr, nullptr);\n\t\t\treturn -1;\n\t\t}\n\t\twaitpid(ppid, nullptr, 0);\n\t\tptrace(PTRACE_DETACH, ppid, nullptr, nullptr);\n\t\tLOGD(\"#[ps::Companion] Cleared ptrace_message for zygote(%d)\", ppid);\n\t\treturn ppid;\n\t}();\n\n\tint result = compatbility;\n\tif (result == MODULE_CONFLICT) {\n\t\tpm.setProp(\"description\", \"[\" + emoji::emojize(\":warning: \") + \"Conflicting modules] \" + description);\n\t\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\t}\n\t\tclose(fd);\n\t\treturn;\n\t} else {\n\t\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\t\tclose(fd);\n\t\t\treturn;\n\t\t}\n\t}\n\n\tif (read(fd, &pid, sizeof(pid)) != sizeof(pid)) {\n LOGE(\"#[ps::Companion] Failed to read PID: %s\", strerror(errno));\n\t\tclose(fd);\n\t\treturn;\n\t}\n\n\tresult = forkcall(\n\t\t[pid]()\n\t\t{\n\t\t\tint res = nscg2(pid);\n\t\t\tif (!res) { // switchnsto returns true on success (0 from setns)\n\t\t\t\tLOGE(\"#[ps::Companion] Switch namespaces failed for PID %d: %s\", pid, strerror(errno));\n\t\t\t\treturn FAILURE;\n\t\t\t}\n\t\t\tauto mounts = getMountInfo();\n\t\t\tunmount(mountRules, mounts);\n\t\t\tremount(mounts);\n\t\t\treturn SUCCESS;\n\t\t}\n\t);\n\n\tif (result == SUCCESS) {\n\t\tsuccessRate++;\n\t\tpm.setProp(\"description\", \"[\" + emoji::emojize(\":yum: \") + \"Nohello unmounted \" +\n\t\t\t\t\t\t\t\t std::to_string(successRate) + \" time(s)] \" + description);\n\t} else if (result == FAILURE) {\n\t\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\t\tclose(fd);\n\t\t\treturn;\n\t\t}\n\t\tif (xwrite(fd, stringRules.size())) {\n\t\t\tfor (int i = 0; i < stringRules.size(); ++i) {\n\t\t\t\tif (!xwrite(fd, stringRules[i])) {\n\t\t\t\t\tLOGE(\"#[ps::Companion] write: [rule (at index %d)]: %s\", i, strerror(errno));\n\t\t\t\t\tclose(fd);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tLOGE(\"#[ps::Companion] write: [stringRules.size()]: %s\", strerror(errno));\n\t\t\tclose(fd);\n\t\t\treturn;\n\t\t}\n\t\tclose(fd);\n\t\treturn;\n\t}\n\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\tclose(fd);\n\t\treturn;\n\t}\n\tclose(fd);\n}\n\n// Register our module class and the companion handler function\nREGISTER_ZYGISK_MODULE(NoHello)\nREGISTER_ZYGISK_COMPANION(NoRoot)\n"], ["/NoHello/module/src/main/cpp/mountsinfo.cpp", "#pragma once\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n\nenum class MountFlags : uint64_t {\n\tRO = 1ull << 0,\n\tRW = 1ull << 1,\n\tNOEXEC = 1ull << 2,\n\tEXEC = 1ull << 3,\n\tNOSUID = 1ull << 4,\n\tSUID = 1ull << 5,\n\tNODEV = 1ull << 6,\n\tDEV = 1ull << 7,\n\tRELATIME = 1ull << 8,\n\tNORELATIME = 1ull << 9,\n\tSTRICTATIME= 1ull << 10,\n\tNOATIME = 1ull << 11,\n\tATIME = 1ull << 12,\n\tDIRSYNC = 1ull << 13,\n\tSYNC = 1ull << 14,\n\tMANDLOCK = 1ull << 15,\n\tNODIRATIME = 1ull << 16,\n\tLAZYTIME = 1ull << 17,\n\tSECLABEL = 1ull << 18,\n\tINDEX = 1ull << 19,\n\tNOINDEX = 1ull << 20,\n\tMETACOPY = 1ull << 21,\n\tNOMETACOPY = 1ull << 22,\n\tBIND = 1ull << 23,\n\tRPRIVATE = 1ull << 24,\n\tRSHARED = 1ull << 25,\n\tRSLAVE = 1ull << 26,\n\tPRIVATE = 1ull << 27,\n\tSHARED = 1ull << 28,\n\tSLAVE = 1ull << 29,\n\tREC = 1ull << 30,\n\tREMOUNT = 1ull << 31,\n\tNOSYMFOLLOW= 1ull << 32\n};\n\n\ninline MountFlags operator|(MountFlags a, MountFlags b) {\n\treturn static_cast(\n\t\t\tstatic_cast>(a) |\n\t\t\tstatic_cast>(b)\n\t);\n}\n\ninline MountFlags& operator|=(MountFlags& a, MountFlags b) {\n\ta = a | b;\n\treturn a;\n}\n\ninline bool operator&(MountFlags a, MountFlags b) {\n\treturn\n\t\t\tstatic_cast>(a) &\n\t\t\tstatic_cast>(b);\n}\n\nenum class PropagationType {\n\tPRIVATE,\n\tSHARED,\n\tSLAVE,\n\tUNBINDABLE,\n\tUNKNOWN\n};\n\nstruct MountPropagation {\n\tPropagationType type = PropagationType::UNKNOWN;\n\tint id = -1;\n};\n\nstatic const std::unordered_map mountFlags = {\n\t\t{\"ro\", MountFlags::RO}, {\"rw\", MountFlags::RW}, {\"noexec\", MountFlags::NOEXEC},\n\t\t{\"exec\", MountFlags::EXEC}, {\"nosuid\", MountFlags::NOSUID}, {\"suid\", MountFlags::SUID},\n\t\t{\"nodev\", MountFlags::NODEV}, {\"dev\", MountFlags::DEV}, {\"relatime\", MountFlags::RELATIME},\n\t\t{\"norelatime\", MountFlags::NORELATIME}, {\"strictatime\", MountFlags::STRICTATIME},\n\t\t{\"noatime\", MountFlags::NOATIME}, {\"atime\", MountFlags::ATIME}, {\"dirsync\", MountFlags::DIRSYNC},\n\t\t{\"sync\", MountFlags::SYNC}, {\"mand\", MountFlags::MANDLOCK}, {\"nodiratime\", MountFlags::NODIRATIME},\n\t\t{\"lazytime\", MountFlags::LAZYTIME}, {\"seclabel\", MountFlags::SECLABEL}, {\"index\", MountFlags::INDEX},\n\t\t{\"noindex\", MountFlags::NOINDEX}, {\"metacopy\", MountFlags::METACOPY},\n\t\t{\"nometacopy\", MountFlags::NOMETACOPY}, {\"bind\", MountFlags::BIND},\n\t\t{\"rprivate\", MountFlags::RPRIVATE}, {\"rshared\", MountFlags::RSHARED},\n\t\t{\"rslave\", MountFlags::RSLAVE}, {\"private\", MountFlags::PRIVATE},\n\t\t{\"shared\", MountFlags::SHARED}, {\"slave\", MountFlags::SLAVE},\n\t\t{\"rec\", MountFlags::REC}, {\"remount\", MountFlags::REMOUNT},\n\t\t{\"nosymfollow\", MountFlags::NOSYMFOLLOW}\n};\n\nstruct MountOptions {\n\tMountFlags flags = MountFlags(0);\n\tstd::unordered_map flagmap;\n\n\tvoid parse(const std::string& str) {\n\t\tstd::istringstream s(str);\n\t\tstd::string opt;\n\t\twhile (std::getline(s, opt, ',')) {\n\t\t\tauto it = mountFlags.find(opt);\n\t\t\tif (it != mountFlags.end()) {\n\t\t\t\tflags |= it->second;\n\t\t\t} else {\n\t\t\t\tsize_t eq = opt.find('=');\n\t\t\t\tif (eq != std::string::npos) {\n\t\t\t\t\tflagmap[opt.substr(0, eq)] = opt.substr(eq + 1);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n};\n\nclass MountInfo {\npublic:\n\texplicit MountInfo(const std::string& line) {\n\t\tstd::istringstream ss(line);\n\t\tstd::vector parts;\n\t\tstd::string token;\n\t\twhile (ss >> token)\n\t\t\tparts.push_back(token);\n\t\tauto it = std::find(parts.begin(), parts.end(), std::string(\"-\"));\n\t\tif (it == parts.end() || std::distance(parts.begin(), it) < 6)\n\t\t\treturn;\n\t\tsize_t sep_idx = std::distance(parts.begin(), it);\n\t\tmnt_id = std::stoi(parts[0]);\n\t\tmnt_parent_id = std::stoi(parts[1]);\n\t\tparseMajorMinor(parts[2]);\n\t\troot = parts[3];\n\t\tmnt_pnt = parts[4];\n\t\tparseFlags(parts[5]);\n\t\tfor (size_t i = 6; i < sep_idx; ++i)\n\t\t\tparsePropagation(parts[i]);\n\t\tfs_type = parts[sep_idx + 1];\n\t\tmnt_src = parts[sep_idx + 2];\n\t\tparseOptions(parts[sep_idx + 3]);\n\t}\n\n\t~MountInfo() = default;\n\n\t[[nodiscard]] int getMountId() const { return mnt_id; }\n\t[[nodiscard]] int getParentId() const { return mnt_parent_id; }\n\t[[nodiscard]] dev_t getDev() const { return dev; }\n\t[[nodiscard]] const std::string& getRoot() const { return root; }\n\t[[nodiscard]] const std::string& getMountPoint() const { return mnt_pnt; }\n\t[[nodiscard]] MountFlags getFlags() const { return mnt_flags; }\n\t[[nodiscard]] const MountPropagation& getPropagation() const { return propagation; }\n\t[[nodiscard]] const std::string& getFsType() const { return fs_type; }\n\t[[nodiscard]] const std::string& getMountSource() const { return mnt_src; }\n\t[[nodiscard]] const MountOptions& getMountOptions() const { return mnt_opts; }\n\nprivate:\n\tint mnt_id;\n\tint mnt_parent_id;\n\tdev_t dev = 0;\n\tstd::string root;\n\tstd::string mnt_pnt;\n\tMountFlags mnt_flags = MountFlags(0);\n\tMountPropagation propagation;\n\tstd::string fs_type;\n\tstd::string mnt_src;\n\tMountOptions mnt_opts;\n\n\tvoid parseFlags(const std::string& str) {\n\t\tstd::istringstream s(str);\n\t\tstd::string opt;\n\t\twhile (std::getline(s, opt, ',')) {\n\t\t\tauto it = mountFlags.find(opt);\n\t\t\tif (it != mountFlags.end())\n\t\t\t\tmnt_flags |= it->second;\n\t\t}\n\t}\n\n\tvoid parsePropagation(const std::string& pg) {\n\t\tif (pg.find(\"master:\") == 0) {\n\t\t\tpropagation.type = PropagationType::SLAVE;\n\t\t\tpropagation.id = std::stoi(pg.substr(7));\n\t\t} else if (pg.find(\"shared:\") == 0) {\n\t\t\tpropagation.type = PropagationType::SHARED;\n\t\t\tpropagation.id = std::stoi(pg.substr(7));\n\t\t} else if (pg == \"unbindable\") {\n\t\t\tpropagation.type = PropagationType::UNBINDABLE;\n\t\t} else if (pg == \"private\") {\n\t\t\tpropagation.type = PropagationType::PRIVATE;\n\t\t}\n\t}\n\n\tvoid parseOptions(const std::string& opt) {\n\t\tmnt_opts.parse(opt);\n\t}\n\n\tvoid parseMajorMinor(const std::string& mmstr) {\n\t\tsize_t sep = mmstr.find(':');\n\t\tif (sep != std::string::npos) {\n\t\t\tint major = std::stoi(mmstr.substr(0, sep));\n\t\t\tint minor = std::stoi(mmstr.substr(sep + 1));\n\t\t\tdev = makedev(major, minor);\n\t\t} else {\n\t\t\tdev = 0;\n\t\t}\n\t}\n};\n\nclass MountRootResolver {\nprivate:\n\tstd::unordered_map dmm;\n\npublic:\n\texplicit MountRootResolver(const std::vector& mounts) {\n\t\tfor (const auto& mount : mounts) {\n\t\t\tif (mount.getRoot() == \"/\") {\n\t\t\t\tdmm[mount.getDev()] = mount.getMountPoint();\n\t\t\t}\n\t\t}\n\t}\n\n\t~MountRootResolver() = default;\n\n\tstd::string resolveRoot(const MountInfo& mount) {\n\t\tauto dev = mount.getDev();\n\t\tauto it = dmm.find(dev);\n\t\tif (it != dmm.end()) {\n\t\t\tif (it->second != \"/\")\n\t\t\t\treturn it->second + mount.getRoot();\n\t\t}\n\t\treturn mount.getRoot();\n\t}\n};\n\nstd::vector getMountInfo(const std::string& path = \"/proc/self/mountinfo\") {\n\tstd::ifstream mi(path);\n\tstd::vector mounts;\n\tstd::string line;\n\tif (!mi.is_open())\n\t\treturn mounts;\n\twhile (std::getline(mi, line)) {\n\t\tMountInfo mountInfo(line);\n\t\tmounts.emplace_back(std::move(mountInfo));\n\t}\n\tmi.close();\n\treturn mounts;\n}"], ["/NoHello/module/src/main/cpp/MountRuleParser.cpp", "#include \n#include \n#include \n#include \n#include \n#include \n#include \"log.h\"\n\nclass MountRuleParser {\npublic:\n\tstruct MountRule {\n\t\tstd::vector rootSubstrs;\n\t\tstd::vector mountPointSubstrs;\n\t\tstd::unordered_set fsTypes;\n\t\tstd::vector sources; // changed from unordered_set to vector for wildcard matching\n\n\t\texplicit operator bool() const {\n\t\t\treturn !(rootSubstrs.empty() && mountPointSubstrs.empty() && fsTypes.empty() && sources.empty());\n\t\t}\n\n\t\tbool matches(const std::string& root, const std::string& mountPoint,\n\t\t\t\t\t const std::string& fsType, const std::string& source) const {\n\t\t\treturn matchList(rootSubstrs, root) &&\n\t\t\t\t matchList(mountPointSubstrs, mountPoint) &&\n\t\t\t\t (fsTypes.empty() || fsTypes.count(fsType) > 0) &&\n\t\t\t\t matchSourceList(sources, source);\n\t\t}\n\n\t\tbool matches(const std::vector& roots, const std::string& mountPoint,\n\t\t\t\t\t const std::string& fsType, const std::string& source) const {\n\t\t\tif (!matchList(mountPointSubstrs, mountPoint) ||\n\t\t\t\t(!fsTypes.empty() && fsTypes.count(fsType) == 0) ||\n\t\t\t\t!matchSourceList(sources, source)) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t\tfor (const auto& root : roots) {\n\t\t\t\tif (matchList(rootSubstrs, root)) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn false;\n\t\t}\n\n\n\tprivate:\n\t\tstatic bool match_with_wildcard(const std::string& value, const std::string& rawPattern) {\n\t\t\tstd::string pattern;\n\t\t\tstd::vector isEscaped;\n\n\t\t\tfor (size_t i = 0; i < rawPattern.size(); ++i) {\n\t\t\t\tif (rawPattern[i] == '\\\\' && i + 1 < rawPattern.size()) {\n\t\t\t\t\t++i;\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(true);\n\t\t\t\t} else {\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(false);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tbool startsWithWildcard = !pattern.empty() && pattern.front() == '*' && !isEscaped[0];\n\t\t\tbool endsWithWildcard = !pattern.empty() &&\n\t\t\t\t\t\t\t\t\tpattern.back() == '*' &&\n\t\t\t\t\t\t\t\t\t!isEscaped[pattern.size() - 1];\n\n\t\t\tif (startsWithWildcard && endsWithWildcard && pattern.size() > 2) {\n\t\t\t\treturn value.find(pattern.substr(1, pattern.size() - 2)) != std::string::npos;\n\t\t\t} else if (startsWithWildcard) {\n\t\t\t\tstd::string suffix = pattern.substr(1);\n\t\t\t\treturn value.size() >= suffix.size() &&\n\t\t\t\t\t value.compare(value.size() - suffix.size(), suffix.size(), suffix) == 0;\n\t\t\t} else if (endsWithWildcard) {\n\t\t\t\tstd::string prefix = pattern.substr(0, pattern.size() - 1);\n\t\t\t\treturn value.compare(0, prefix.size(), prefix) == 0;\n\t\t\t} else {\n\t\t\t\treturn value == pattern;\n\t\t\t}\n\t\t}\n\n\t\tstatic bool match_source_pattern(const std::string& value, const std::string& rawPattern) {\n\t\t\tstd::string pattern;\n\t\t\tstd::vector isEscaped;\n\n\t\t\tfor (size_t i = 0; i < rawPattern.size(); ++i) {\n\t\t\t\tif (rawPattern[i] == '\\\\' && i + 1 < rawPattern.size()) {\n\t\t\t\t\t++i;\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(true);\n\t\t\t\t} else {\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(false);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tbool startsWithWildcard = !pattern.empty() && pattern.front() == '*' && !isEscaped[0];\n\t\t\tbool endsWithWildcard = !pattern.empty() &&\n\t\t\t\t\t\t\t\t\tpattern.back() == '*' &&\n\t\t\t\t\t\t\t\t\t!isEscaped[pattern.size() - 1];\n\n\t\t\tif (startsWithWildcard && endsWithWildcard && pattern.size() > 2) {\n\t\t\t\treturn value.find(pattern.substr(1, pattern.size() - 2)) != std::string::npos;\n\t\t\t} else if (startsWithWildcard) {\n\t\t\t\tstd::string suffix = pattern.substr(1);\n\t\t\t\treturn value.size() >= suffix.size() &&\n\t\t\t\t\t value.compare(value.size() - suffix.size(), suffix.size(), suffix) == 0;\n\t\t\t} else if (endsWithWildcard) {\n\t\t\t\tstd::string prefix = pattern.substr(0, pattern.size() - 1);\n\t\t\t\treturn value.compare(0, prefix.size(), prefix) == 0;\n\t\t\t} else {\n\t\t\t\treturn value == pattern;\n\t\t\t}\n\t\t}\n\n\t\tstatic bool matchList(const std::vector& patterns, const std::string& value) {\n\t\t\tif (patterns.empty()) return true;\n\t\t\treturn std::any_of(patterns.begin(), patterns.end(),\n\t\t\t\t\t\t\t [&](const std::string& p) { return match_with_wildcard(value, p); });\n\t\t}\n\n\t\tstatic bool matchSourceList(const std::vector& patterns, const std::string& value) {\n\t\t\tif (patterns.empty()) return true;\n\t\t\treturn std::any_of(patterns.begin(), patterns.end(),\n\t\t\t\t\t\t\t [&](const std::string& p) { return match_source_pattern(value, p); });\n\t\t}\n\t};\n\n\t// Not necessary anymore\n\tstruct MountEntry {\n\t\tstd::string root;\n\t\tstd::string mountPoint;\n\t\tstd::string fsType;\n\t\tstd::string mountSource;\n\t};\n\n\t// Used previously for testing its effectiveness\n\tstatic MountEntry parseMountinfo(const std::string& line) {\n\t\tstd::istringstream iss(line);\n\t\tstd::vector tokens;\n\t\tstd::string token;\n\n\t\twhile (iss >> token) tokens.push_back(token);\n\n\t\tauto sep = std::find(tokens.begin(), tokens.end(), \"-\");\n\t\tif (sep == tokens.end() || std::distance(tokens.begin(), sep) < 6) {\n\t\t\tLOGE(\"[MountRuleParser::parseMultipleRules]: Malformed mountinfo line\");\n\t\t\treturn {};\n\t\t}\n\n\t\tMountEntry entry;\n\t\tentry.root = tokens[3];\n\t\tentry.mountPoint = tokens[4];\n\t\tentry.fsType = *(sep + 1);\n\t\tentry.mountSource = *(sep + 2);\n\t\treturn entry;\n\t}\n\n\tstatic MountRule parseRuleString(const std::string& ruleText) {\n\t\tif (!validateSyntax(ruleText)) {\n\t\t\treturn {};\n\t\t}\n\n\t\tMountRule rule;\n\t\tauto tokens = tokenizePreserveQuotes(ruleText);\n\n\t\tenum Section { NONE, ROOT, POINT, FILESYSTEM, SOURCE } current = NONE;\n\t\tenum State { WRITING, IDLE } state = IDLE;\n\n\t\tfor (std::string& word : tokens) {\n\t\t\tif (state == IDLE) {\n\t\t\t\tif (current == NONE) {\n\t\t\t\t\tif (word == \"root\") current = ROOT;\n\t\t\t\t\telse if (word == \"point\") current = POINT;\n\t\t\t\t\telse if (word == \"fs\") current = FILESYSTEM;\n\t\t\t\t\telse if (word == \"source\") current = SOURCE;\n\t\t\t\t} else if (word == \"{\") {\n\t\t\t\t\tstate = WRITING;\n\t\t\t\t}\n\t\t\t} else if (state == WRITING && word == \"}\") {\n\t\t\t\tcurrent = NONE;\n\t\t\t\tstate = IDLE;\n\t\t\t} else {\n\t\t\t\tif ((word.front() == '\"' && word.back() == '\"') ||\n\t\t\t\t\t(word.front() == '\\'' && word.back() == '\\'')) {\n\t\t\t\t\tword = word.substr(1, word.size() - 2);\n\t\t\t\t}\n\n\t\t\t\tswitch (current) {\n\t\t\t\t\tcase ROOT:\n\t\t\t\t\t\trule.rootSubstrs.push_back(word);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase POINT:\n\t\t\t\t\t\trule.mountPointSubstrs.push_back(word);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase FILESYSTEM:\n\t\t\t\t\t\trule.fsTypes.insert(word);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase SOURCE:\n\t\t\t\t\t\trule.sources.push_back(word); // changed from insert() to push_back()\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn rule;\n\t}\n\n\tstatic std::vector parseMultipleRules(const std::vector& ruleTexts) {\n\t\tstd::vector rules;\n\t\tfor (const auto& text : ruleTexts) {\n\t\t\tMountRule rule = parseRuleString(text);\n\t\t\tif (rule) {\n\t\t\t\trules.push_back(rule);\n\t\t\t} else {\n\t\t\t\tLOGE(\"[MountRuleParser::parseMultipleRules]: Failed to parse rule: `%s`\", text.c_str());\n\t\t\t}\n\t\t}\n\t\treturn rules;\n\t}\n\nprivate:\n\tstatic bool validateSyntax(const std::string& text) {\n\t\tint braceCount = 0;\n\t\tbool inDoubleQuotes = false, inSingleQuotes = false;\n\n\t\tfor (size_t i = 0; i < text.size(); ++i) {\n\t\t\tchar ch = text[i];\n\t\t\tif (ch == '\"' && !inSingleQuotes && (i == 0 || text[i - 1] != '\\\\'))\n\t\t\t\tinDoubleQuotes = !inDoubleQuotes;\n\t\t\telse if (ch == '\\'' && !inDoubleQuotes && (i == 0 || text[i - 1] != '\\\\'))\n\t\t\t\tinSingleQuotes = !inSingleQuotes;\n\n\t\t\tif (!inDoubleQuotes && !inSingleQuotes) {\n\t\t\t\tif (ch == '{') ++braceCount;\n\t\t\t\telse if (ch == '}') {\n\t\t\t\t\t--braceCount;\n\t\t\t\t\tif (braceCount < 0) return false;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn braceCount == 0 && !inDoubleQuotes && !inSingleQuotes;\n\t}\n\n\tstatic std::vector tokenizePreserveQuotes(const std::string& text) {\n\t\tstd::vector tokens;\n\t\tstd::string current;\n\t\tbool inQuotes = false;\n\t\tchar quoteChar = '\\0';\n\n\t\tfor (size_t i = 0; i < text.length(); ++i) {\n\t\t\tchar c = text[i];\n\n\t\t\tif ((c == '\"' || c == '\\'') && (i == 0 || text[i - 1] != '\\\\')) {\n\t\t\t\tif (!inQuotes) {\n\t\t\t\t\tinQuotes = true;\n\t\t\t\t\tquoteChar = c;\n\t\t\t\t\tcurrent += c;\n\t\t\t\t} else if (c == quoteChar) {\n\t\t\t\t\tinQuotes = false;\n\t\t\t\t\tcurrent += c;\n\t\t\t\t\ttokens.push_back(current);\n\t\t\t\t\tcurrent.clear();\n\t\t\t\t} else {\n\t\t\t\t\tcurrent += c;\n\t\t\t\t}\n\t\t\t} else if (std::isspace(c) && !inQuotes) {\n\t\t\t\tif (!current.empty()) {\n\t\t\t\t\ttokens.push_back(current);\n\t\t\t\t\tcurrent.clear();\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tcurrent += c;\n\t\t\t}\n\t\t}\n\n\t\tif (!current.empty()) tokens.push_back(current);\n\t\treturn tokens;\n\t}\n};\n"], ["/NoHello/module/src/main/cpp/utils.cpp", "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \"log.h\"\n\nstd::pair devinobymap(const std::string& lib, bool useFind = false, unsigned int *ln = nullptr) {\n\tstd::ifstream maps(\"/proc/self/maps\");\n\tunsigned int index = 0;\n\tstd::string line;\n\tstd::string needle = \"/\" + lib;\n\twhile (std::getline(maps, line)) {\n\t\tif (ln && index < *ln) {\n\t\t\tindex++;\n\t\t\tcontinue;\n\t\t}\n\t\tif (line.size() >= needle.size() && ((useFind && line.find(needle) != std::string::npos) ||\n\t\t\tline.compare(line.size() - needle.size(), needle.size(), needle) == 0)) {\n\t\t\tstd::istringstream iss(line);\n\t\t\tstd::string addr, perms, offset, dev, inode_str;\n\t\t\tiss >> addr >> perms >> offset >> dev >> inode_str;\n\t\t\tstd::istringstream devsplit(dev);\n\t\t\tstd::string major_hex, minor_hex;\n\t\t\tif (std::getline(devsplit, major_hex, ':') &&\n\t\t\t\tstd::getline(devsplit, minor_hex)) {\n\t\t\t\tint major = std::stoi(major_hex, nullptr, 16);\n\t\t\t\tint minor = std::stoi(minor_hex, nullptr, 16);\n\t\t\t\tdev_t devnum = makedev(major, minor);\n\t\t\t\tino_t inode = std::stoul(inode_str);\n\t\t\t\tif (ln)\n\t\t\t\t\t*ln = index;\n\t\t\t\treturn {devnum, inode};\n\t\t\t}\n\t\t}\n\t\tindex++;\n\t}\n\tif (ln)\n\t\t*ln = -1;\n\treturn {dev_t(0), ino_t(0)};\n}\n\nstd::optional> devinoby(const char* lib) {\n\tstruct State {\n\t\tconst char* needle;\n\t\tstd::optional> result;\n\t} state = { lib };\n\n\tdl_iterate_phdr([](struct dl_phdr_info* info, size_t, void* data) -> int {\n\t\tauto* s = static_cast(data);\n\t\tif (info->dlpi_name && strstr(info->dlpi_name, s->needle)) {\n\t\t\tstruct stat st{};\n\t\t\tif (stat(info->dlpi_name, &st) == 0) {\n\t\t\t\ts->result = std::make_pair(st.st_dev, st.st_ino);\n\t\t\t\treturn 1; // Stop iteration\n\t\t\t}\n\t\t}\n\t\treturn 0; // Continue\n\t}, &state);\n\n\treturn state.result;\n}\n\nstd::optional> robaseby(dev_t dev, ino_t ino) {\n\tstruct State {\n\t\tdev_t dev;\n\t\tino_t ino;\n\t\tstd::optional> result;\n\t} state = { dev, ino };\n\n\tdl_iterate_phdr([](struct dl_phdr_info* info, size_t, void* data) -> int {\n\t\tauto* s = static_cast(data);\n\n\t\tstruct stat st{};\n\t\tif (stat(info->dlpi_name, &st) != 0)\n\t\t\treturn 0;\n\n\t\tif (st.st_dev != s->dev || st.st_ino != s->ino)\n\t\t\treturn 0;\n\n\t\tfor (int i = 0; i < info->dlpi_phnum; ++i) {\n\t\t\tconst auto& phdr = info->dlpi_phdr[i];\n\t\t\tif (phdr.p_type == PT_LOAD &&\n\t\t\t\t(phdr.p_flags & PF_R) &&\n\t\t\t\t!(phdr.p_flags & PF_X)) // r--p only\n\t\t\t{\n\t\t\t\tuintptr_t base = info->dlpi_addr + phdr.p_vaddr;\n\t\t\t\tsize_t size = phdr.p_memsz;\n\t\t\t\ts->result = std::make_pair(reinterpret_cast(base), size);\n\t\t\t\treturn 1; // Stop searching\n\t\t\t}\n\t\t}\n\n\t\treturn 0;\n\t}, &state);\n\n\treturn state.result;\n}\n\nint forkcall(const std::function &lambda)\n{\n\tpid_t pid = fork();\n\tif (pid == -1)\n\t\treturn -1;\n\tif (pid == 0) {\n\t\texit(lambda());\n\t} else {\n\t\tint status = -1;\n\t\twaitpid(pid, &status, 0);\n\t\tif (WIFEXITED(status)) {\n\t\t\treturn WEXITSTATUS(status);\n\t\t}\n\t}\n\treturn -1;\n}\n\nstatic inline int seccomp(int op, int fd, void *arg) {\n\treturn syscall(SYS_seccomp, op, fd, arg);\n}\n\nstatic int pidfd_open(pid_t pid, unsigned int flags)\n{\n\treturn syscall(SYS_pidfd_open, pid, flags);\n}\n\nstatic ssize_t process_vm_readv(pid_t pid,\n\t\t\t\t\t\t\t\t const struct iovec *local_iov,\n\t\t\t\t\t\t\t\t unsigned long liovcnt,\n\t\t\t\t\t\t\t\t const struct iovec *remote_iov,\n\t\t\t\t\t\t\t\t unsigned long riovcnt,\n\t\t\t\t\t\t\t\t unsigned long flags)\n{\n\treturn syscall(SYS_process_vm_readv, pid, local_iov, liovcnt, remote_iov, riovcnt, flags);\n}\n\nstatic ssize_t process_vm_writev(pid_t pid,\n\t\t\t\t\t\t\t\t const struct iovec *local_iov,\n\t\t\t\t\t\t\t\t unsigned long liovcnt,\n\t\t\t\t\t\t\t\t const struct iovec *remote_iov,\n\t\t\t\t\t\t\t\t unsigned long riovcnt,\n\t\t\t\t\t\t\t\t unsigned long flags)\n{\n\treturn syscall(SYS_process_vm_writev, pid, local_iov, liovcnt, remote_iov, riovcnt, flags);\n}\n\nbool nscg2(pid_t pid) {\n int pidfd = pidfd_open(pid, 0);\n if (pidfd != -1) {\n \t// https://man7.org/linux/man-pages/man2/setns.2.html\n int res = setns(pidfd, CLONE_NEWNS | CLONE_NEWCGROUP);\n close(pidfd);\n if (res) {\n LOGE(\"setns(pidfd_open(%d, 0) -> %d (closed), 0): %s\", pid, pidfd, strerror(errno));\n goto fallback;\n }\n return true;\n } else {\n LOGE(\"pidfd_open(%d): %s\", pid, strerror(errno));\n }\nfallback:\n {\n std::string mntPath = \"/proc/\" + std::to_string(pid) + \"/ns/mnt\";\n int mntfd_fallback = open(mntPath.c_str(), O_RDONLY);\n if (mntfd_fallback != -1) {\n int res = setns(mntfd_fallback, CLONE_NEWNS);\n if (res) {\n LOGE(\"setns(open(\\\"%s\\\") -> %d, CLONE_NEWNS): %s\", mntPath.c_str(), mntfd_fallback, strerror(errno));\n close(mntfd_fallback);\n return false;\n }\n close(mntfd_fallback);\n } else {\n LOGE(\"open(\\\"%s\\\"): %s\", mntPath.c_str(), strerror(errno));\n return false;\n }\n }\n {\n std::string cgPath = \"/proc/\" + std::to_string(pid) + \"/ns/cgroup\";\n int cgfd_fallback = open(cgPath.c_str(), O_RDONLY);\n if (cgfd_fallback != -1) {\n int res = setns(cgfd_fallback, CLONE_NEWCGROUP);\n if (res) {\n LOGE(\"setns(open(\\\"%s\\\") -> %d, CLONE_NEWCGROUP): %s\", cgPath.c_str(), cgfd_fallback, strerror(errno));\n close(cgfd_fallback);\n return false;\n }\n close(cgfd_fallback);\n } else {\n LOGE(\"open(\\\"%s\\\"): %s\", cgPath.c_str(), strerror(errno));\n return false;\n }\n }\n return true;\n}\n\n\nbool isuserapp(int uid) {\n\tint appid = uid % AID_USER_OFFSET;\n\tif (appid >= AID_APP_START && appid <= AID_APP_END)\n\t\treturn true;\n\tif (appid >= AID_ISOLATED_START && appid <= AID_ISOLATED_END)\n\t\treturn true;\n\treturn false;\n}\n\nstatic int sendfd(int sockfd, int fd) {\n\tint data;\n\tstruct iovec iov{};\n\tstruct msghdr msgh{};\n\tstruct cmsghdr *cmsgp;\n\n\t/* Allocate a char array of suitable size to hold the ancillary data.\n\t However, since this buffer is in reality a 'struct cmsghdr', use a\n\t union to ensure that it is suitably aligned. */\n\tunion {\n\t\tchar buf[CMSG_SPACE(sizeof(int))];\n\t\t/* Space large enough to hold an 'int' */\n\t\tstruct cmsghdr align;\n\t} controlMsg{};\n\n\t/* The 'msg_name' field can be used to specify the address of the\n\t destination socket when sending a datagram. However, we do not\n\t need to use this field because 'sockfd' is a connected socket. */\n\n\tmsgh.msg_name = nullptr;\n\tmsgh.msg_namelen = 0;\n\n\t/* On Linux, we must transmit at least one byte of real data in\n\t order to send ancillary data. We transmit an arbitrary integer\n\t whose value is ignored by recvfd(). */\n\n\tmsgh.msg_iov = &iov;\n\tmsgh.msg_iovlen = 1;\n\tiov.iov_base = &data;\n\tiov.iov_len = sizeof(int);\n\tdata = 12345;\n\n\t/* Set 'msghdr' fields that describe ancillary data */\n\n\tmsgh.msg_control = controlMsg.buf;\n\tmsgh.msg_controllen = sizeof(controlMsg.buf);\n\n\t/* Set up ancillary data describing file descriptor to send */\n\n\tcmsgp = reinterpret_cast(msgh.msg_control);\n\tcmsgp->cmsg_level = SOL_SOCKET;\n\tcmsgp->cmsg_type = SCM_RIGHTS;\n\tcmsgp->cmsg_len = CMSG_LEN(sizeof(int));\n\tmemcpy(CMSG_DATA(cmsgp), &fd, sizeof(int));\n\n\t/* Send real plus ancillary data */\n\n\tif (sendmsg(sockfd, &msgh, 0) == -1) return -1;\n\n\treturn 0;\n}\n\nstatic int recvfd(int sockfd) {\n\tint data, fd;\n\tssize_t nr;\n\tstruct iovec iov{};\n\tstruct msghdr msgh{};\n\n\t/* Allocate a char buffer for the ancillary data. See the comments\n\t in sendfd() */\n\tunion {\n\t\tchar buf[CMSG_SPACE(sizeof(int))];\n\t\tstruct cmsghdr align;\n\t} controlMsg{};\n\tstruct cmsghdr *cmsgp;\n\n\t/* The 'msg_name' field can be used to obtain the address of the\n\t sending socket. However, we do not need this information. */\n\n\tmsgh.msg_name = nullptr;\n\tmsgh.msg_namelen = 0;\n\n\t/* Specify buffer for receiving real data */\n\n\tmsgh.msg_iov = &iov;\n\tmsgh.msg_iovlen = 1;\n\tiov.iov_base = &data; /* Real data is an 'int' */\n\tiov.iov_len = sizeof(int);\n\n\t/* Set 'msghdr' fields that describe ancillary data */\n\n\tmsgh.msg_control = controlMsg.buf;\n\tmsgh.msg_controllen = sizeof(controlMsg.buf);\n\n\t/* Receive real plus ancillary data; real data is ignored */\n\n\tnr = recvmsg(sockfd, &msgh, 0);\n\tif (nr == -1) return -1;\n\n\tcmsgp = CMSG_FIRSTHDR(&msgh);\n\n\t/* Check the validity of the 'cmsghdr' */\n\n\tif (cmsgp == nullptr || cmsgp->cmsg_len != CMSG_LEN(sizeof(int)) ||\n\t\tcmsgp->cmsg_level != SOL_SOCKET || cmsgp->cmsg_type != SCM_RIGHTS) {\n\t\terrno = EINVAL;\n\t\treturn -1;\n\t}\n\n\t/* Return the received file descriptor to our caller */\n\n\tmemcpy(&fd, CMSG_DATA(cmsgp), sizeof(int));\n\treturn fd;\n}\n\nstatic int getKernelVersion() {\n\tstruct utsname un{};\n\tif (uname(&un) != 0) {\n\t\treturn 0;\n\t}\n\tint kmaj = 0, kmin = 0, kpatch = 0;\n\tsscanf(un.release, \"%d.%d.%d\", &kmaj, &kmin, &kpatch);\n\treturn KERNEL_VERSION(kmaj, kmin, kpatch);\n}\n\ntemplate \nbool xwrite(int fd, const T& data) {\n\tuint64_t size = sizeof(T);\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tif (write(fd, data.data(), size) != static_cast(size)) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\ntemplate<>\nbool xwrite(int fd, const std::string& data) {\n\tuint64_t size = data.size();\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tif (write(fd, data.data(), size) != static_cast(size)) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\nbool xwrite(int fd, const char* data) {\n\tif (!data) return false;\n\treturn xwrite(fd, std::string(data));\n}\n\ntemplate <>\nbool xwrite(int fd, const bool& data) {\n\tuint64_t size = sizeof(bool);\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tuint8_t byteData = data ? 1 : 0;\n\tif (write(fd, &byteData, sizeof(byteData)) != sizeof(byteData)) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\ntemplate <>\nbool xwrite(int fd, const uintptr_t& data) {\n\tuint64_t size = sizeof(uintptr_t);\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tif (write(fd, &data, size) != size) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\ntemplate \nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tif (size != sizeof(T)) {\n\t\treturn nullptr;\n\t}\n\tauto data = std::make_unique();\n\tif (read(fd, data.get(), size) != static_cast(size)) {\n\t\treturn nullptr;\n\t}\n\treturn data;\n}\n\ntemplate<>\nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tauto data = std::make_unique(size, '\\0');\n\tif (read(fd, data->data(), size) != static_cast(size)) {\n\t\treturn nullptr;\n\t}\n\treturn data;\n}\n\ntemplate <>\nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tif (size != sizeof(bool)) {\n\t\treturn nullptr;\n\t}\n\tuint8_t byteData = 0;\n\tif (read(fd, &byteData, sizeof(byteData)) != sizeof(byteData)) {\n\t\treturn nullptr;\n\t}\n\treturn std::make_unique(byteData != 0);\n}\n\ntemplate <>\nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tif (size != sizeof(uintptr_t)) {\n\t\treturn nullptr;\n\t}\n\tuintptr_t data = 0;\n\tif (read(fd, &data, size) != size) {\n\t\treturn nullptr;\n\t}\n\treturn std::make_unique(data);\n}\n"], ["/NoHello/module/src/main/cpp/log.h", "\n#pragma once\n\n#ifndef NOHELLO_LOG_H\n#define NOHELLO_LOG_H\n\n#ifdef DEBUG_BUILD\n#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, \"NoHello\", __VA_ARGS__)\n#else\n#define LOGD(...) ((void) 0)\n#endif\n\n#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, \"NoHello\", __VA_ARGS__)\n#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, \"NoHello\", __VA_ARGS__)\n#define LOGW(...) __android_log_print(ANDROID_LOG_WARN, \"NoHello\", __VA_ARGS__)\n#define LOGF(...) __android_log_print(ANDROID_LOG_FATAL, \"NoHello\", __VA_ARGS__)\n\n#endif //NOHELLO_LOG_H\n"]], "task_instance_info": {"created_time": "2025-08-20 19:48:54", "created_task_model": "DeepSeek-R1", "function_skeleton": "bool loadFromFile() {}", "code_description": "This code segment functions to: Read structured data from persistent storage, parse key-value pairs while ignoring invalid entries, and populate in-memory data structures while maintaining insertion order for subsequent operations."}, "inference_content": {"inference_model": "DeepSeek-R1", "inference_result": "```cpp\n[TASK_BEGIN]\nbool loadFromFile() {\n std::ifstream file(filePath);\n if (!file.is_open()) {\n return false;\n }\n\n orderedProps.clear();\n keyIndex.clear();\n\n std::string line;\n while (std::getline(file, line)) {\n size_t pos = line.find('=');\n if (pos == std::string::npos) continue;\n\n std::string key = line.substr(0, pos);\n std::string value = line.substr(pos + 1);\n\n auto it = keyIndex.find(key);\n if (it != keyIndex.end()) {\n orderedProps[it->second].second = value;\n } else {\n orderedProps.emplace_back(key, value);\n keyIndex[key] = orderedProps.size() - 1;\n }\n }\n\n return true;\n}\n[TASK_END]\n```", "inference_time": "2025-08-20 19-50-01"}, "editdistance_info": {"edit_distance": 29.1667, "calculate_time": "2025-08-20 19:50:01", "true_code_clean": "bool loadFromFile() {\n\torderedProps.clear();\n\tkeyIndex.clear();\n\tstd::ifstream file(filePath);\n\tif (!file.is_open()) {\n\t\tLOGW(\"PropertyManager: Could not open %s for loading.\", filePath.c_str());\n\t\treturn false;\n\t}\n\tstd::string line;\n\twhile (std::getline(file, line)) {\n\t\tif (line.empty() || line[0] == '#')\n\t\t\tcontinue;\n\t\tauto pos = line.find('=');\n\t\tif (pos == std::string::npos)\n\t\t\tcontinue;\n\t\tstd::string key = line.substr(0, pos);\n\t\tstd::string val = line.substr(pos + 1);\n\t\tsize_t idx = orderedProps.size();\n\t\torderedProps.emplace_back(key, val);\n\t\tkeyIndex[key] = idx;\n\t}\n\tfile.close();\n\treturn true;\n}", "predict_code_clean": "bool loadFromFile() {\n std::ifstream file(filePath);\n if (!file.is_open()) {\n return false;\n }\n orderedProps.clear();\n keyIndex.clear();\n std::string line;\n while (std::getline(file, line)) {\n size_t pos = line.find('=');\n if (pos == std::string::npos) continue;\n std::string key = line.substr(0, pos);\n std::string value = line.substr(pos + 1);\n auto it = keyIndex.find(key);\n if (it != keyIndex.end()) {\n orderedProps[it->second].second = value;\n } else {\n orderedProps.emplace_back(key, value);\n keyIndex[key] = orderedProps.size() - 1;\n }\n }\n return true;\n}"}} {"repo_name": "NoHello", "file_name": "/NoHello/module/src/main/cpp/utils.cpp", "inference_info": {"prefix_code": "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \"log.h\"\n\n", "suffix_code": "\n\nstd::optional> devinoby(const char* lib) {\n\tstruct State {\n\t\tconst char* needle;\n\t\tstd::optional> result;\n\t} state = { lib };\n\n\tdl_iterate_phdr([](struct dl_phdr_info* info, size_t, void* data) -> int {\n\t\tauto* s = static_cast(data);\n\t\tif (info->dlpi_name && strstr(info->dlpi_name, s->needle)) {\n\t\t\tstruct stat st{};\n\t\t\tif (stat(info->dlpi_name, &st) == 0) {\n\t\t\t\ts->result = std::make_pair(st.st_dev, st.st_ino);\n\t\t\t\treturn 1; // Stop iteration\n\t\t\t}\n\t\t}\n\t\treturn 0; // Continue\n\t}, &state);\n\n\treturn state.result;\n}\n\nstd::optional> robaseby(dev_t dev, ino_t ino) {\n\tstruct State {\n\t\tdev_t dev;\n\t\tino_t ino;\n\t\tstd::optional> result;\n\t} state = { dev, ino };\n\n\tdl_iterate_phdr([](struct dl_phdr_info* info, size_t, void* data) -> int {\n\t\tauto* s = static_cast(data);\n\n\t\tstruct stat st{};\n\t\tif (stat(info->dlpi_name, &st) != 0)\n\t\t\treturn 0;\n\n\t\tif (st.st_dev != s->dev || st.st_ino != s->ino)\n\t\t\treturn 0;\n\n\t\tfor (int i = 0; i < info->dlpi_phnum; ++i) {\n\t\t\tconst auto& phdr = info->dlpi_phdr[i];\n\t\t\tif (phdr.p_type == PT_LOAD &&\n\t\t\t\t(phdr.p_flags & PF_R) &&\n\t\t\t\t!(phdr.p_flags & PF_X)) // r--p only\n\t\t\t{\n\t\t\t\tuintptr_t base = info->dlpi_addr + phdr.p_vaddr;\n\t\t\t\tsize_t size = phdr.p_memsz;\n\t\t\t\ts->result = std::make_pair(reinterpret_cast(base), size);\n\t\t\t\treturn 1; // Stop searching\n\t\t\t}\n\t\t}\n\n\t\treturn 0;\n\t}, &state);\n\n\treturn state.result;\n}\n\nint forkcall(const std::function &lambda)\n{\n\tpid_t pid = fork();\n\tif (pid == -1)\n\t\treturn -1;\n\tif (pid == 0) {\n\t\texit(lambda());\n\t} else {\n\t\tint status = -1;\n\t\twaitpid(pid, &status, 0);\n\t\tif (WIFEXITED(status)) {\n\t\t\treturn WEXITSTATUS(status);\n\t\t}\n\t}\n\treturn -1;\n}\n\nstatic inline int seccomp(int op, int fd, void *arg) {\n\treturn syscall(SYS_seccomp, op, fd, arg);\n}\n\nstatic int pidfd_open(pid_t pid, unsigned int flags)\n{\n\treturn syscall(SYS_pidfd_open, pid, flags);\n}\n\nstatic ssize_t process_vm_readv(pid_t pid,\n\t\t\t\t\t\t\t\t const struct iovec *local_iov,\n\t\t\t\t\t\t\t\t unsigned long liovcnt,\n\t\t\t\t\t\t\t\t const struct iovec *remote_iov,\n\t\t\t\t\t\t\t\t unsigned long riovcnt,\n\t\t\t\t\t\t\t\t unsigned long flags)\n{\n\treturn syscall(SYS_process_vm_readv, pid, local_iov, liovcnt, remote_iov, riovcnt, flags);\n}\n\nstatic ssize_t process_vm_writev(pid_t pid,\n\t\t\t\t\t\t\t\t const struct iovec *local_iov,\n\t\t\t\t\t\t\t\t unsigned long liovcnt,\n\t\t\t\t\t\t\t\t const struct iovec *remote_iov,\n\t\t\t\t\t\t\t\t unsigned long riovcnt,\n\t\t\t\t\t\t\t\t unsigned long flags)\n{\n\treturn syscall(SYS_process_vm_writev, pid, local_iov, liovcnt, remote_iov, riovcnt, flags);\n}\n\nbool nscg2(pid_t pid) {\n int pidfd = pidfd_open(pid, 0);\n if (pidfd != -1) {\n \t// https://man7.org/linux/man-pages/man2/setns.2.html\n int res = setns(pidfd, CLONE_NEWNS | CLONE_NEWCGROUP);\n close(pidfd);\n if (res) {\n LOGE(\"setns(pidfd_open(%d, 0) -> %d (closed), 0): %s\", pid, pidfd, strerror(errno));\n goto fallback;\n }\n return true;\n } else {\n LOGE(\"pidfd_open(%d): %s\", pid, strerror(errno));\n }\nfallback:\n {\n std::string mntPath = \"/proc/\" + std::to_string(pid) + \"/ns/mnt\";\n int mntfd_fallback = open(mntPath.c_str(), O_RDONLY);\n if (mntfd_fallback != -1) {\n int res = setns(mntfd_fallback, CLONE_NEWNS);\n if (res) {\n LOGE(\"setns(open(\\\"%s\\\") -> %d, CLONE_NEWNS): %s\", mntPath.c_str(), mntfd_fallback, strerror(errno));\n close(mntfd_fallback);\n return false;\n }\n close(mntfd_fallback);\n } else {\n LOGE(\"open(\\\"%s\\\"): %s\", mntPath.c_str(), strerror(errno));\n return false;\n }\n }\n {\n std::string cgPath = \"/proc/\" + std::to_string(pid) + \"/ns/cgroup\";\n int cgfd_fallback = open(cgPath.c_str(), O_RDONLY);\n if (cgfd_fallback != -1) {\n int res = setns(cgfd_fallback, CLONE_NEWCGROUP);\n if (res) {\n LOGE(\"setns(open(\\\"%s\\\") -> %d, CLONE_NEWCGROUP): %s\", cgPath.c_str(), cgfd_fallback, strerror(errno));\n close(cgfd_fallback);\n return false;\n }\n close(cgfd_fallback);\n } else {\n LOGE(\"open(\\\"%s\\\"): %s\", cgPath.c_str(), strerror(errno));\n return false;\n }\n }\n return true;\n}\n\n\nbool isuserapp(int uid) {\n\tint appid = uid % AID_USER_OFFSET;\n\tif (appid >= AID_APP_START && appid <= AID_APP_END)\n\t\treturn true;\n\tif (appid >= AID_ISOLATED_START && appid <= AID_ISOLATED_END)\n\t\treturn true;\n\treturn false;\n}\n\nstatic int sendfd(int sockfd, int fd) {\n\tint data;\n\tstruct iovec iov{};\n\tstruct msghdr msgh{};\n\tstruct cmsghdr *cmsgp;\n\n\t/* Allocate a char array of suitable size to hold the ancillary data.\n\t However, since this buffer is in reality a 'struct cmsghdr', use a\n\t union to ensure that it is suitably aligned. */\n\tunion {\n\t\tchar buf[CMSG_SPACE(sizeof(int))];\n\t\t/* Space large enough to hold an 'int' */\n\t\tstruct cmsghdr align;\n\t} controlMsg{};\n\n\t/* The 'msg_name' field can be used to specify the address of the\n\t destination socket when sending a datagram. However, we do not\n\t need to use this field because 'sockfd' is a connected socket. */\n\n\tmsgh.msg_name = nullptr;\n\tmsgh.msg_namelen = 0;\n\n\t/* On Linux, we must transmit at least one byte of real data in\n\t order to send ancillary data. We transmit an arbitrary integer\n\t whose value is ignored by recvfd(). */\n\n\tmsgh.msg_iov = &iov;\n\tmsgh.msg_iovlen = 1;\n\tiov.iov_base = &data;\n\tiov.iov_len = sizeof(int);\n\tdata = 12345;\n\n\t/* Set 'msghdr' fields that describe ancillary data */\n\n\tmsgh.msg_control = controlMsg.buf;\n\tmsgh.msg_controllen = sizeof(controlMsg.buf);\n\n\t/* Set up ancillary data describing file descriptor to send */\n\n\tcmsgp = reinterpret_cast(msgh.msg_control);\n\tcmsgp->cmsg_level = SOL_SOCKET;\n\tcmsgp->cmsg_type = SCM_RIGHTS;\n\tcmsgp->cmsg_len = CMSG_LEN(sizeof(int));\n\tmemcpy(CMSG_DATA(cmsgp), &fd, sizeof(int));\n\n\t/* Send real plus ancillary data */\n\n\tif (sendmsg(sockfd, &msgh, 0) == -1) return -1;\n\n\treturn 0;\n}\n\nstatic int recvfd(int sockfd) {\n\tint data, fd;\n\tssize_t nr;\n\tstruct iovec iov{};\n\tstruct msghdr msgh{};\n\n\t/* Allocate a char buffer for the ancillary data. See the comments\n\t in sendfd() */\n\tunion {\n\t\tchar buf[CMSG_SPACE(sizeof(int))];\n\t\tstruct cmsghdr align;\n\t} controlMsg{};\n\tstruct cmsghdr *cmsgp;\n\n\t/* The 'msg_name' field can be used to obtain the address of the\n\t sending socket. However, we do not need this information. */\n\n\tmsgh.msg_name = nullptr;\n\tmsgh.msg_namelen = 0;\n\n\t/* Specify buffer for receiving real data */\n\n\tmsgh.msg_iov = &iov;\n\tmsgh.msg_iovlen = 1;\n\tiov.iov_base = &data; /* Real data is an 'int' */\n\tiov.iov_len = sizeof(int);\n\n\t/* Set 'msghdr' fields that describe ancillary data */\n\n\tmsgh.msg_control = controlMsg.buf;\n\tmsgh.msg_controllen = sizeof(controlMsg.buf);\n\n\t/* Receive real plus ancillary data; real data is ignored */\n\n\tnr = recvmsg(sockfd, &msgh, 0);\n\tif (nr == -1) return -1;\n\n\tcmsgp = CMSG_FIRSTHDR(&msgh);\n\n\t/* Check the validity of the 'cmsghdr' */\n\n\tif (cmsgp == nullptr || cmsgp->cmsg_len != CMSG_LEN(sizeof(int)) ||\n\t\tcmsgp->cmsg_level != SOL_SOCKET || cmsgp->cmsg_type != SCM_RIGHTS) {\n\t\terrno = EINVAL;\n\t\treturn -1;\n\t}\n\n\t/* Return the received file descriptor to our caller */\n\n\tmemcpy(&fd, CMSG_DATA(cmsgp), sizeof(int));\n\treturn fd;\n}\n\nstatic int getKernelVersion() {\n\tstruct utsname un{};\n\tif (uname(&un) != 0) {\n\t\treturn 0;\n\t}\n\tint kmaj = 0, kmin = 0, kpatch = 0;\n\tsscanf(un.release, \"%d.%d.%d\", &kmaj, &kmin, &kpatch);\n\treturn KERNEL_VERSION(kmaj, kmin, kpatch);\n}\n\ntemplate \nbool xwrite(int fd, const T& data) {\n\tuint64_t size = sizeof(T);\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tif (write(fd, data.data(), size) != static_cast(size)) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\ntemplate<>\nbool xwrite(int fd, const std::string& data) {\n\tuint64_t size = data.size();\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tif (write(fd, data.data(), size) != static_cast(size)) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\nbool xwrite(int fd, const char* data) {\n\tif (!data) return false;\n\treturn xwrite(fd, std::string(data));\n}\n\ntemplate <>\nbool xwrite(int fd, const bool& data) {\n\tuint64_t size = sizeof(bool);\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tuint8_t byteData = data ? 1 : 0;\n\tif (write(fd, &byteData, sizeof(byteData)) != sizeof(byteData)) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\ntemplate <>\nbool xwrite(int fd, const uintptr_t& data) {\n\tuint64_t size = sizeof(uintptr_t);\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tif (write(fd, &data, size) != size) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\ntemplate \nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tif (size != sizeof(T)) {\n\t\treturn nullptr;\n\t}\n\tauto data = std::make_unique();\n\tif (read(fd, data.get(), size) != static_cast(size)) {\n\t\treturn nullptr;\n\t}\n\treturn data;\n}\n\ntemplate<>\nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tauto data = std::make_unique(size, '\\0');\n\tif (read(fd, data->data(), size) != static_cast(size)) {\n\t\treturn nullptr;\n\t}\n\treturn data;\n}\n\ntemplate <>\nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tif (size != sizeof(bool)) {\n\t\treturn nullptr;\n\t}\n\tuint8_t byteData = 0;\n\tif (read(fd, &byteData, sizeof(byteData)) != sizeof(byteData)) {\n\t\treturn nullptr;\n\t}\n\treturn std::make_unique(byteData != 0);\n}\n\ntemplate <>\nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tif (size != sizeof(uintptr_t)) {\n\t\treturn nullptr;\n\t}\n\tuintptr_t data = 0;\n\tif (read(fd, &data, size) != size) {\n\t\treturn nullptr;\n\t}\n\treturn std::make_unique(data);\n}\n", "middle_code": "std::pair devinobymap(const std::string& lib, bool useFind = false, unsigned int *ln = nullptr) {\n\tstd::ifstream maps(\"/proc/self/maps\");\n\tunsigned int index = 0;\n\tstd::string line;\n\tstd::string needle = \"/\" + lib;\n\twhile (std::getline(maps, line)) {\n\t\tif (ln && index < *ln) {\n\t\t\tindex++;\n\t\t\tcontinue;\n\t\t}\n\t\tif (line.size() >= needle.size() && ((useFind && line.find(needle) != std::string::npos) ||\n\t\t\tline.compare(line.size() - needle.size(), needle.size(), needle) == 0)) {\n\t\t\tstd::istringstream iss(line);\n\t\t\tstd::string addr, perms, offset, dev, inode_str;\n\t\t\tiss >> addr >> perms >> offset >> dev >> inode_str;\n\t\t\tstd::istringstream devsplit(dev);\n\t\t\tstd::string major_hex, minor_hex;\n\t\t\tif (std::getline(devsplit, major_hex, ':') &&\n\t\t\t\tstd::getline(devsplit, minor_hex)) {\n\t\t\t\tint major = std::stoi(major_hex, nullptr, 16);\n\t\t\t\tint minor = std::stoi(minor_hex, nullptr, 16);\n\t\t\t\tdev_t devnum = makedev(major, minor);\n\t\t\t\tino_t inode = std::stoul(inode_str);\n\t\t\t\tif (ln)\n\t\t\t\t\t*ln = index;\n\t\t\t\treturn {devnum, inode};\n\t\t\t}\n\t\t}\n\t\tindex++;\n\t}\n\tif (ln)\n\t\t*ln = -1;\n\treturn {dev_t(0), ino_t(0)};\n}", "code_description": null, "fill_type": "FUNCTION_TYPE", "language_type": "cpp", "sub_task_type": null}, "context_code": [["/NoHello/module/src/main/cpp/nohello.cpp", "/* Copyright 2022-2023 John \"topjohnwu\" Wu\n * Copyright 2024 The NoHello Contributors\n *\n * Permission to use, copy, modify, and/or distribute this software for any\n * purpose with or without fee is hereby granted.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\n * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\n * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\n * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\n * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\n * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\n * PERFORMANCE OF THIS SOFTWARE.\n */\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include // For std::pair, std::move\n\n#include \"zygisk.hpp\"\n#include \"external/android_filesystem_config.h\"\n#include \"mountsinfo.cpp\"\n#include \"utils.cpp\"\n#include \"external/fdutils/fd_utils.cpp\"\n#include \n#include \n#include \n#include \n#include \"log.h\"\n#include \"PropertyManager.cpp\"\n#include \"MountRuleParser.cpp\"\n#include \"external/emoji.h\"\n\nusing zygisk::Api;\nusing zygisk::AppSpecializeArgs;\nusing zygisk::ServerSpecializeArgs;\n\nnamespace fs = std::filesystem;\n\nstatic constexpr off_t EXT_SUPERBLOCK_OFFSET = 0x400;\nstatic constexpr off_t EXT_MAGIC_OFFSET = 0x38;\nstatic constexpr off_t EXT_ERRORS_OFFSET = 0x3C;\nstatic constexpr uint16_t EXT_MAGIC = 0xEF53;\nstatic const std::vector defaultRules = {\n\t\tR\"(source { \"KSU\", \"APatch\", \"magisk\", \"worker\" } fs { \"tmpfs\" \"overlay\" })\"\n};\n\nenum Advice {\n\tNORMAL = 0,\n\tMODULE_CONFLICT = 2,\n};\n\nenum State {\n\tSUCCESS = 0,\n\tFAILURE = 1\n};\n\nstatic const std::set toumount_sources = {\"KSU\", \"APatch\", \"magisk\", \"worker\"};\nstatic const std::string adbPathPrefix = \"/data/adb\";\n\nstatic bool anomaly(MountRootResolver mrs, const MountInfo &mount) {\n\tconst std::string resolved_root = mrs.resolveRoot(mount);\n\tif (resolved_root.starts_with(adbPathPrefix) || mount.getMountPoint().starts_with(adbPathPrefix)) {\n\t\treturn true;\n\t}\n\tconst auto& fs_type = mount.getFsType();\n\tconst auto& mnt_src = mount.getMountSource();\n\tif (toumount_sources.count(mnt_src)) {\n\t\treturn true;\n\t}\n\tif (fs_type == \"overlay\") {\n\t\tif (toumount_sources.count(mnt_src)) {\n\t\t\treturn true;\n\t\t}\n\t\tconst auto& fm = mount.getMountOptions().flagmap;\n\t\tif (fm.count(\"lowerdir\") && fm.at(\"lowerdir\").starts_with(adbPathPrefix)) {\n\t\t\treturn true;\n\t\t}\n\t\tif (fm.count(\"upperdir\") && fm.at(\"upperdir\").starts_with(adbPathPrefix)) {\n\t\t\treturn true;\n\t\t}\n\t\tif (fm.count(\"workdir\") && fm.at(\"workdir\").starts_with(adbPathPrefix)) {\n\t\t\treturn true;\n\t\t}\n\t} else if (fs_type == \"tmpfs\") {\n\t\tif (toumount_sources.count(mnt_src)) {\n\t\t\treturn true;\n\t\t}\n\t}\n\treturn false;\n}\n\nstatic bool anomaly(const MountRuleParser::MountRule& rule, MountRootResolver mrs, const MountInfo &mount) {\n\tconst std::string resolvedRoot = mrs.resolveRoot(mount);\n\tconst auto& fsType = mount.getFsType();\n\tif (fsType != \"overlay\") {\n\t\treturn rule.matches(resolvedRoot, mount.getMountPoint(), fsType, mount.getMountSource());\n\t} else {\n\t\tconst auto& fm = mount.getMountOptions().flagmap;\n\t\tstd::vector roots = {resolvedRoot};\n\t\tfor (const auto* key : {\"lowerdir\", \"upperdir\", \"workdir\"}) {\n\t\t\tauto it = fm.find(key);\n\t\t\tif (it != fm.end()) {\n\t\t\t\troots.push_back(it->second);\n\t\t\t}\n\t\t}\n\t\treturn rule.matches(roots, mount.getMountPoint(), fsType, mount.getMountSource());\n\t}\n\treturn false;\n}\n\nstatic bool anomaly(const std::vector& rules, MountRootResolver mrs, const MountInfo &mount) {\n\tconst std::string resolvedRoot = mrs.resolveRoot(mount);\n\tconst auto& fsType = mount.getFsType();\n\tconst auto& fm = mount.getMountOptions().flagmap;\n\tfor (const auto& rule : rules) {\n\t\tif (fsType != \"overlay\") {\n\t\t\tif (rule.matches(resolvedRoot, mount.getMountPoint(), fsType, mount.getMountSource()))\n\t\t\t\treturn true;\n\t\t} else {\n\t\t\tstd::vector roots = {resolvedRoot};\n\t\t\tfor (const auto* key : {\"lowerdir\", \"upperdir\", \"workdir\"}) {\n\t\t\t\tauto it = fm.find(key);\n\t\t\t\tif (it != fm.end()) {\n\t\t\t\t\troots.push_back(it->second);\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (rule.matches(roots, mount.getMountPoint(), fsType, mount.getMountSource()))\n\t\t\t\treturn true;\n\t\t}\n\t}\n\treturn false;\n}\n\nstatic std::pair anomaly(const std::unique_ptr fdi) {\n\tif (fdi->is_sock) {\n\t\tstd::string socket_name;\n\t\tif (fdi->GetSocketName(&socket_name)) {\n\t\t\tif (socket_name.find(\"magisk\") != std::string::npos ||\n\t\t\t\tsocket_name.find(\"kernelsu\") != std::string::npos || // For KernelSU daemon, common pattern\n\t\t\t\tsocket_name.find(\"ksud\") != std::string::npos || // KernelSU daemon\n\t\t\t\tsocket_name.find(\"apatchd\") != std::string::npos || // For APatch daemon, common pattern\n\t\t\t\tsocket_name.find(\"apd\") != std::string::npos // APatch daemon\n\t\t\t\t\t) {\n\t\t\t\tLOGD(\"Marking sensitive socket FD %d (%s) for sanitization.\", fdi->fd, socket_name.c_str());\n\t\t\t\treturn {true, true};\n\t\t\t}\n\t\t}\n\t} else { // Not a socket\n\t\tif (!fdi->file_path.starts_with(\"/memfd:\") &&\n\t\t\t!fdi->file_path.starts_with(\"/dev/ashmem\") && // Common, usually not root related\n\t\t\t!fdi->file_path.starts_with(\"[anon_inode:\") && // e.g., [anon_inode:sync_fence]\n\t\t\t!fdi->file_path.empty() // Ensure path is not empty\n\t\t\t\t) {\n\t\t\tif (fdi->file_path.starts_with(adbPathPrefix) ||\n\t\t\t\tfdi->file_path.find(\"magisk\") != std::string::npos ||\n\t\t\t\tfdi->file_path.find(\"kernelsu\") != std::string::npos ||\n\t\t\t\tfdi->file_path.find(\"apatch\") != std::string::npos) {\n\t\t\t\tLOGD(\"Marking sensitive file FD %d (%s) for sanitization.\", fdi->fd, fdi->file_path.c_str());\n\t\t\t\treturn {true, true};\n\t\t\t}\n\t\t}\n\t}\n\treturn {false, false};\n}\n\n\nstatic std::unique_ptr getExternalErrorBehaviour(const MountInfo& mount) {\n\tconst auto& fs = mount.getFsType();\n\tif (fs != \"ext2\" && fs != \"ext3\" && fs != \"ext4\")\n\t\treturn nullptr;\n\tstd::ifstream mntsrc(mount.getMountSource(), std::ios::binary);\n\tif (!mntsrc || !mntsrc.is_open())\n\t\treturn nullptr;\n\tuint16_t magic;\n\tmntsrc.seekg(EXT_SUPERBLOCK_OFFSET + EXT_MAGIC_OFFSET, std::ios::beg);\n\tmntsrc.read(reinterpret_cast(&magic), sizeof(magic));\n\tif (!mntsrc || mntsrc.gcount() != sizeof(magic))\n\t\treturn nullptr;\n\tmagic = le16toh(magic);\n\tif (magic != EXT_MAGIC)\n\t\treturn nullptr;\n\tuint16_t errors;\n\tmntsrc.seekg(EXT_SUPERBLOCK_OFFSET + EXT_ERRORS_OFFSET, std::ios::beg);\n\tmntsrc.read(reinterpret_cast(&errors), sizeof(errors));\n\tif (!mntsrc || mntsrc.gcount() != sizeof(errors))\n\t\treturn nullptr;\n\terrors = le16toh(errors);\n\tswitch (errors)\n\t{\n\t\tcase 1:\n\t\t\treturn std::make_unique(\"continue\");\n\t\tcase 2:\n\t\t\treturn std::make_unique(\"remount-ro\");\n\t\tcase 3:\n\t\t\treturn std::make_unique(\"panic\");\n\t\tdefault:\n\t\t\treturn nullptr;\n\t}\n\treturn nullptr;\n}\n\nstatic void doumount(const std::string& mntPnt);\n\nstatic void unmount(const std::vector& mounts) {\n\tMountRootResolver mrs(mounts);\n\tfor (const auto& mount : std::ranges::reverse_view(mounts)) {\n\t\tif (anomaly(mrs, mount))\n\t\t\tdoumount(mount.getMountPoint());\n\t}\n}\n\nstatic void unmount(const std::vector& rules, const std::vector& mounts) {\n\tMountRootResolver mrs(mounts);\n\tfor (const auto& mount : std::ranges::reverse_view(mounts)) {\n\t\tif (anomaly(rules, mrs, mount))\n\t\t\tdoumount(mount.getMountPoint());\n\t}\n}\n\nstatic void unmount(const MountRuleParser::MountRule& rule, const std::vector& mounts) {\n\tMountRootResolver mrs(mounts);\n\tfor (const auto& mount : std::ranges::reverse_view(mounts)) {\n\t\tif (anomaly(rule, mrs, mount))\n\t\t\tdoumount(mount.getMountPoint());\n\t}\n}\n\nstatic void doumount(const std::string& mntPnt) {\n\terrno = 0;\n\tint res;\n\tconst char *mntpnt = mntPnt.c_str();\n\tif ((res = umount2(mntpnt, MNT_DETACH)) == 0)\n\t\tLOGD(\"umount2(\\\"%s\\\", MNT_DETACH): returned (0): 0 (Success)\", mntpnt);\n\telse\n\t\tLOGE(\"umount2(\\\"%s\\\", MNT_DETACH): returned %d: %d (%s)\", mntpnt, res, errno, strerror(errno));\n}\n\nstatic void remount(const std::vector& mounts) {\n\tfor (const auto& mount : mounts) {\n\t\tif (mount.getMountPoint() == \"/data\") {\n\t\t\tconst auto& mntopts = mount.getMountOptions();\n\t\t\tconst auto& fm = mntopts.flagmap;\n\t\t\tif (!fm.count(\"errors\"))\n\t\t\t\tbreak;\n\t\t\tauto errors = getExternalErrorBehaviour(mount);\n\t\t\tif (!errors || fm.at(\"errors\") == *errors)\n\t\t\t\tbreak;\n\t\t\tauto mntflags = mount.getFlags();\n\t\t\tunsigned int flags = MS_REMOUNT;\n\t\t\tif (mntflags & MountFlags::NOSUID) {\n\t\t\t\tflags |= MS_NOSUID;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NODEV) {\n\t\t\t\tflags |= MS_NODEV;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NOEXEC) {\n\t\t\t\tflags |= MS_NOEXEC;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NOATIME) {\n\t\t\t\tflags |= MS_NOATIME;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NODIRATIME) {\n\t\t\t\tflags |= MS_NODIRATIME;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::RELATIME) {\n\t\t\t\tflags |= MS_RELATIME;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NOSYMFOLLOW) {\n\t\t\t\tflags |= MS_NOSYMFOLLOW;\n\t\t\t}\n\t\t\tint res;\n\t\t\tif ((res = ::mount(nullptr, \"/data\", nullptr, flags, (std::string(\"errors=\") + *errors).c_str())) == 0)\n\t\t\t\tLOGD(\"mount(nullptr, \\\"/data\\\", nullptr, 0x%x, \\\"errors=%s\\\"): returned 0: 0 (Success)\", flags, errors->c_str());\n\t\t\telse\n\t\t\t\tLOGW(\"mount(NULL, \\\"/data\\\", NULL, 0x%x, \\\"errors=%s\\\"): returned %d: %d (%s)\", flags, errors->c_str(), res, errno, strerror(errno));\n\t\t\tbreak;\n\t\t}\n\t}\n}\n\nint (*ar_unshare)(int) = nullptr;\n\nstatic int reshare(int flags) {\n errno = 0;\n return ar_unshare(flags & ~(CLONE_NEWNS | CLONE_NEWCGROUP));\n}\n\nclass NoHello : public zygisk::ModuleBase {\npublic:\n void onLoad(Api *_api, JNIEnv *_env) override {\n this->api = _api;\n this->env = _env;\n }\n\n void preAppSpecialize(AppSpecializeArgs *args) override {\n preSpecialize(args);\n }\n\n\tvoid postAppSpecialize(const AppSpecializeArgs *args) override {\n\t\tconst char *process = env->GetStringUTFChars(args->nice_name, nullptr);\n\t\tpostSpecialize(process);\n\t\tenv->ReleaseStringUTFChars(args->nice_name, process);\n\t}\n\n void preServerSpecialize(ServerSpecializeArgs *args) override {\n //preSpecialize(\"system_server\"); // System server usually doesn't need this level of hiding\n\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n }\n\nprivate:\n Api *api{};\n JNIEnv *env{};\n\tint cfd{};\n\tdev_t rundev{};\n\tino_t runinode{};\n\tdev_t cdev{};\n\tino_t cinode{};\n\n\n void preSpecialize(AppSpecializeArgs *args) {\n\t\tunsigned int flags = api->getFlags();\n\t\tconst bool whitelist = access(\"/data/adb/nohello/whitelist\", F_OK) == 0;\n\t\tconst bool nodirtyro = access(\"/data/adb/nohello/no_dirtyro_ar\", F_OK) == 0;\n\t\tif (flags & zygisk::StateFlag::PROCESS_GRANTED_ROOT) {\n\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\treturn;\n\t\t}\n\t\tauto fn = [this](const std::string& lib) {\n\t\t\tauto di = devinoby(lib.c_str());\n\t\t\tif (di) {\n\t\t\t\treturn *di;\n\t\t\t} else {\n\t\t\t\tLOGW(\"#[zygisk::?] devino[dl_iterate_phdr]: Failed to get device & inode for %s\", lib.c_str());\n\t\t\t\tLOGI(\"#[zygisk::?] Fallback to use `/proc/self/maps`\");\n\t\t\t\treturn devinobymap(lib);\n\t\t\t}\n\t\t};\n\t\tif ((whitelist && isuserapp(args->uid)) || flags & zygisk::StateFlag::PROCESS_ON_DENYLIST) {\n\t\t\tpid_t pid = getpid(), ppid = getppid();\n\t\t\tcfd = api->connectCompanion(); // Companion FD\n\t\t\tapi->exemptFd(cfd);\n\t\t\tif (write(cfd, &ppid, sizeof(ppid)) != sizeof(ppid)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] write: [-> ppid]: %s\", strerror(errno));\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tint advice;\n\t\t\tif (read(cfd, &advice, sizeof(advice)) != sizeof(advice)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [<- status]: %s\", strerror(errno));\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tif (advice == MODULE_CONFLICT) {\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tstd::tie(cdev, cinode) = fn(\"libc.so\");\n\t\t\tif (!cdev && !cinode) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] Failed to get device & inode for libc.so\");\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tstd::tie(rundev, runinode) = fn(\"libandroid_runtime.so\");\n\t\t\tif (!rundev && !runinode) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] Failed to get device & inode for libandroid_runtime.so\");\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tapi->pltHookRegister(rundev, runinode, \"unshare\", (void*) reshare, (void**) &ar_unshare);\n\t\t\tapi->pltHookCommit();\n\t\t\tif (!nodirtyro) {\n\t\t\t\tif (auto res = robaseby(rundev, runinode)) {\n\t\t\t\t\t/*\n\t\t\t\t\t * Temporary workaround to fix detection in apps that checks Shared_Clean\n\t\t\t\t\t * if >= 512kb\n\t\t\t\t\t */\n\t\t\t\t\tauto [base, size] = *res;\n\t\t\t\t\tlong pagesz = sysconf(_SC_PAGESIZE);\n\t\t\t\t\tsize_t alignedSize = (size + pagesz - 1) & ~(pagesz - 1);\n\t\t\t\t\tmprotect(base, alignedSize, PROT_READ | PROT_WRITE);\n\t\t\t\t\tfor (uintptr_t addr = (uintptr_t) base; addr < (uintptr_t) base + size; addr += pagesz) {\n\t\t\t\t\t\tvoid* page = reinterpret_cast(addr);\n\t\t\t\t\t\tuint8_t orig = *(volatile uint8_t*) page;\n\t\t\t\t\t\t*(volatile uint8_t*) page = orig;\n\t\t\t\t\t}\n\t\t\t\t\tmprotect(base, alignedSize, PROT_READ);\n\t\t\t\t\tmadvise(base, alignedSize, MADV_REMOVE);\n\t\t\t\t} else {\n\t\t\t\t\tLOGW(\"#[zygisk::preSpecialize] Failed to get ro block for libandroid_runtime.so\");\n\t\t\t\t}\n\t\t\t}\n\t\t\tstd::vector, bool>> fdSanitizeList; // bool is shouldDetach\n\t\t\tauto fds = GetOpenFds([](const std::string &error){\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] GetOpenFds: %s\", error.c_str());\n\t\t\t});\n\t\t\tif (fds) {\n\t\t\t\tfor (auto &fd : *fds) {\n\t\t\t\t\tif (fd == cfd) continue; // Skip companion FD itself\n\t\t\t\t\tauto fdi = FileDescriptorInfo::CreateFromFd(fd, [fd](const std::string &error){\n\t\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize] CreateFromFd(%d): %s\", fd, error.c_str());\n\t\t\t\t\t});\n\t\t\t\t\tif (!fdi)\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\tauto [canSanitize, shouldDetach] = anomaly(std::move(fdi));\n\t\t\t\t\tif (canSanitize) {\n\t\t\t\t\t\tfdSanitizeList.emplace_back(std::move(fdi), shouldDetach);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tint res = unshare(CLONE_NEWNS | CLONE_NEWCGROUP);\n\t\t\tif (res != 0) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] unshare: %s\", strerror(errno));\n\t\t\t\t// There's nothing we can do except returning\n\t\t\t\tclose(cfd);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tres = mount(\"rootfs\", \"/\", nullptr, MS_SLAVE | MS_REC, nullptr);\n\t\t\tif (res != 0) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] mount(rootfs, \\\"/\\\", nullptr, MS_SLAVE | MS_REC, nullptr): returned %d: %d (%s)\", res, errno, strerror(errno));\n\t\t\t\t// There's nothing we can do except returning\n\t\t\t\tclose(cfd);\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tstatic std::vector mountRules;\n\n\t\t\tif (write(cfd, &pid, sizeof(pid)) != sizeof(pid)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] write: [-> pid]: %s\", strerror(errno));\n\t\t\t\tres = FAILURE; // Fallback to unmount from zygote\n\t\t\t} else if (read(cfd, &res, sizeof(res)) != sizeof(res)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [<- status]: %s\", strerror(errno));\n\t\t\t\tres = FAILURE; // Fallback to unmount from zygote\n\t\t\t} else if (res == FAILURE) {\n\t\t\t\tLOGW(\"#[zygisk::preSpecialize]: Companion failed, fallback to unmount in zygote process\");\n\t\t\t\tmountRules = MountRuleParser::parseMultipleRules([this]() {\n\t\t\t\t\tauto sizeOfRulesPtr = xread(cfd);\n\t\t\t\t\tif (!sizeOfRulesPtr) {\n\t\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [sizeOfRules]: %s\", strerror(errno));\n\t\t\t\t\t\treturn defaultRules;\n\t\t\t\t\t}\n\t\t\t\t\tauto sizeOfRules = *sizeOfRulesPtr;\n\t\t\t\t\tstd::vector rules(sizeOfRules, \"\");\n\t\t\t\t\tfor (int i = 0; i < sizeOfRules; ++i) {\n\t\t\t\t\t\tauto rule = xread(cfd);\n\t\t\t\t\t\tif (!rule) {\n\t\t\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [rule (at index %d)]: %s\", i, strerror(errno));\n\t\t\t\t\t\t\treturn defaultRules;\n\t\t\t\t\t\t}\n\t\t\t\t\t\trules[i] = std::move(*rule);\n\t\t\t\t\t}\n\t\t\t\t\treturn rules;\n\t\t\t\t}());\n\t\t\t}\n\n\t\t\tclose(cfd);\n\n\t\t\tif (res == FAILURE) {\n\t\t\t\tLOGW(\"#[zygisk::preSpecialize]: Companion failed, fallback to unmount in zygote process\");\n\t\t\t\tunmount(mountRules, getMountInfo()); // Unmount in current (zygote) namespace as fallback\n\t\t\t}\n\n\t\t\t// Sanitize FDs after companion communication and potential mount changes\n\t\t\tfor (auto &[fdi, shouldDetach] : fdSanitizeList) {\n\t\t\t\tLOGD(\"#[zygisk::preSpecialize]: Sanitizing FD %d (path: %s, socket: %d), detach: %d\",\n\t\t\t\t\t fdi->fd, fdi->file_path.c_str(), fdi->is_sock, shouldDetach);\n\t\t\t\tfdi->ReopenOrDetach([\n\t\t\t\t\t\t\t\t\t\t\tfd = fdi->fd,\n\t\t\t\t\t\t\t\t\t\t\tpath = fdi->file_path // Capture path by value for lambda\n\t\t\t\t\t\t\t\t\t](const std::string &error){\n\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize]: Sanitize FD %d (%s): %s\", fd, path.c_str(), error.c_str());\n\t\t\t\t}, shouldDetach);\n\t\t\t}\n\t\t\treturn;\n\t\t}\n api->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n }\n\n\tvoid postSpecialize(const char *process) {\n // Unhook PLT hooks\n\t\tif (ar_unshare) {\n\t\t\tapi->pltHookRegister(rundev, runinode, \"unshare\", (void*) ar_unshare, nullptr);\n ar_unshare = nullptr; // Clear pointer\n }\n\t\tapi->pltHookCommit();\n\t\t//close(cfd);\n\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t}\n\n};\n\nstatic void NoRoot(int fd) {\n\tpid_t pid = -1, ppid = -1;\n\tstatic unsigned int successRate = 0;\n\tstatic const std::string description = [] {\n\t\tstd::ifstream f(\"/data/adb/modules/zygisk_nohello/description\");\n\t\t// This file exists only after installing/updating the module\n\t\t// It should have the default description\n\t\t// Since this is static const it's only evaluated once per boot since companion won't exit\n\t\treturn f ? ([](std::ifstream& s){ std::string l; std::getline(s, l); return l; })(f) : \"A Zygisk module to hide root.\";\n\t}();\n\tstatic PropertyManager pm(\"/data/adb/modules/zygisk_nohello/module.prop\");\n\n\tstatic const int compatbility = [] {\n\t\tif (fs::exists(\"/data/adb/modules/zygisk_shamiko\") && !fs::exists(\"/data/adb/modules/zygisk_shamiko/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\tif (fs::exists(\"/data/adb/modules/zygisk-assistant\") && !fs::exists(\"/data/adb/modules/zygisk-assistant/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\tif (fs::exists(\"/data/adb/modules/treat_wheel\") && !fs::exists(\"/data/adb/modules/treat_wheel/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\tif (fs::exists(\"/data/adb/modules/susfs4ksu\") && !fs::exists(\"/data/adb/modules/susfs4ksu/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\treturn NORMAL;\n\t}();\n\n\tstatic const bool doesUmountPersists = []() {\n\t\treturn fs::exists(\"/data/adb/nohello/umount_persist\") || fs::exists(\"/data/adb/nohello/umount_persists\");\n\t}();\n\n\tstatic std::vector stringRules;\n\tstatic std::vector mountRules;\n\tstatic bool evaluateOnlyOnce = false;\n\n\tif (!evaluateOnlyOnce) {\n\t\tstringRules = []() {\n\t\t\tstd::vector rules;\n\t\t\tstd::ifstream f(\"/data/adb/nohello/umount\");\n\t\t\tif (f && f.is_open()) {\n\t\t\t\tstd::string line;\n\t\t\t\twhile (std::getline(f, line)) {\n\t\t\t\t\tif (!line.empty() && line[0] != '#')\n\t\t\t\t\t\trules.push_back(line);\n\t\t\t\t}\n\t\t\t\tf.close();\n\t\t\t} else {\n\t\t\t\trules = defaultRules;\n\t\t\t\tstd::ofstream redef(\"/data/adb/nohello/umount\");\n\t\t\t\tif (redef && redef.is_open()) {\n\t\t\t\t\tfor (const auto &rule: rules)\n\t\t\t\t\t\tredef << rule << std::endl;\n\t\t\t\t\tf.close();\n\t\t\t\t} else\n\t\t\t\t\tLOGE(\"Unable to create `/data/adb/nohello/umount`\");\n\t\t\t}\n\t\t\treturn rules;\n\t\t}();\n\t\tmountRules = MountRuleParser::parseMultipleRules(stringRules);\n\t\tif (doesUmountPersists)\n\t\t\tevaluateOnlyOnce = true;\n\t}\n\n\tif (read(fd, &ppid, sizeof(ppid)) != sizeof(ppid)) {\n\t\tLOGE(\"#[ps::Companion] Failed to read PPID: %s\", strerror(errno));\n\t\tclose(fd);\n\t\treturn;\n\t}\n\n\tstatic const pid_t clrMsgZygote = [ppid]() -> pid_t {\n\t\tif (fs::exists(\"/data/adb/nohello/no_clr_ptracemsg\"))\n\t\t\t// Apply the fix only by user's choice\n\t\t\treturn ppid;\n\t\tif (getKernelVersion() >= KERNEL_VERSION(6, 1, 0))\n\t\t\t// The issue was fixed in 6.1+\n\t\t\t// https://marc.info/?l=linux-arch&m=164124554311501&w=2\n\t\t\treturn ppid;\n\t\t// Re-work this to avoid issues with bootloops\n\t\t// https://github.com/PerformanC/ReZygisk/issues/171\n\t\tif (ptrace(PTRACE_ATTACH, ppid, nullptr, nullptr) == -1) {\n\t\t\tLOGE(\"#[ps::Companion] ptrace(PTRACE_ATTACH, %d, nullptr, nullptr): %s\", ppid,\n\t\t\t\t strerror(errno));\n\t\t\treturn -1;\n\t\t}\n\t\twaitpid(ppid, nullptr, 0);\n\t\tif (ptrace(PTRACE_SYSCALL, ppid, nullptr, nullptr) == -1) {\n\t\t\tLOGE(\"#[ps::Companion] ptrace(PTRACE_SYSCALL, %d, nullptr, nullptr): %s\", ppid, strerror(errno));\n\t\t\tptrace(PTRACE_DETACH, ppid, nullptr, nullptr);\n\t\t\treturn -1;\n\t\t}\n\t\twaitpid(ppid, nullptr, 0);\n\t\tptrace(PTRACE_DETACH, ppid, nullptr, nullptr);\n\t\tLOGD(\"#[ps::Companion] Cleared ptrace_message for zygote(%d)\", ppid);\n\t\treturn ppid;\n\t}();\n\n\tint result = compatbility;\n\tif (result == MODULE_CONFLICT) {\n\t\tpm.setProp(\"description\", \"[\" + emoji::emojize(\":warning: \") + \"Conflicting modules] \" + description);\n\t\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\t}\n\t\tclose(fd);\n\t\treturn;\n\t} else {\n\t\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\t\tclose(fd);\n\t\t\treturn;\n\t\t}\n\t}\n\n\tif (read(fd, &pid, sizeof(pid)) != sizeof(pid)) {\n LOGE(\"#[ps::Companion] Failed to read PID: %s\", strerror(errno));\n\t\tclose(fd);\n\t\treturn;\n\t}\n\n\tresult = forkcall(\n\t\t[pid]()\n\t\t{\n\t\t\tint res = nscg2(pid);\n\t\t\tif (!res) { // switchnsto returns true on success (0 from setns)\n\t\t\t\tLOGE(\"#[ps::Companion] Switch namespaces failed for PID %d: %s\", pid, strerror(errno));\n\t\t\t\treturn FAILURE;\n\t\t\t}\n\t\t\tauto mounts = getMountInfo();\n\t\t\tunmount(mountRules, mounts);\n\t\t\tremount(mounts);\n\t\t\treturn SUCCESS;\n\t\t}\n\t);\n\n\tif (result == SUCCESS) {\n\t\tsuccessRate++;\n\t\tpm.setProp(\"description\", \"[\" + emoji::emojize(\":yum: \") + \"Nohello unmounted \" +\n\t\t\t\t\t\t\t\t std::to_string(successRate) + \" time(s)] \" + description);\n\t} else if (result == FAILURE) {\n\t\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\t\tclose(fd);\n\t\t\treturn;\n\t\t}\n\t\tif (xwrite(fd, stringRules.size())) {\n\t\t\tfor (int i = 0; i < stringRules.size(); ++i) {\n\t\t\t\tif (!xwrite(fd, stringRules[i])) {\n\t\t\t\t\tLOGE(\"#[ps::Companion] write: [rule (at index %d)]: %s\", i, strerror(errno));\n\t\t\t\t\tclose(fd);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tLOGE(\"#[ps::Companion] write: [stringRules.size()]: %s\", strerror(errno));\n\t\t\tclose(fd);\n\t\t\treturn;\n\t\t}\n\t\tclose(fd);\n\t\treturn;\n\t}\n\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\tclose(fd);\n\t\treturn;\n\t}\n\tclose(fd);\n}\n\n// Register our module class and the companion handler function\nREGISTER_ZYGISK_MODULE(NoHello)\nREGISTER_ZYGISK_COMPANION(NoRoot)\n"], ["/NoHello/module/src/main/cpp/mountsinfo.cpp", "#pragma once\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n\nenum class MountFlags : uint64_t {\n\tRO = 1ull << 0,\n\tRW = 1ull << 1,\n\tNOEXEC = 1ull << 2,\n\tEXEC = 1ull << 3,\n\tNOSUID = 1ull << 4,\n\tSUID = 1ull << 5,\n\tNODEV = 1ull << 6,\n\tDEV = 1ull << 7,\n\tRELATIME = 1ull << 8,\n\tNORELATIME = 1ull << 9,\n\tSTRICTATIME= 1ull << 10,\n\tNOATIME = 1ull << 11,\n\tATIME = 1ull << 12,\n\tDIRSYNC = 1ull << 13,\n\tSYNC = 1ull << 14,\n\tMANDLOCK = 1ull << 15,\n\tNODIRATIME = 1ull << 16,\n\tLAZYTIME = 1ull << 17,\n\tSECLABEL = 1ull << 18,\n\tINDEX = 1ull << 19,\n\tNOINDEX = 1ull << 20,\n\tMETACOPY = 1ull << 21,\n\tNOMETACOPY = 1ull << 22,\n\tBIND = 1ull << 23,\n\tRPRIVATE = 1ull << 24,\n\tRSHARED = 1ull << 25,\n\tRSLAVE = 1ull << 26,\n\tPRIVATE = 1ull << 27,\n\tSHARED = 1ull << 28,\n\tSLAVE = 1ull << 29,\n\tREC = 1ull << 30,\n\tREMOUNT = 1ull << 31,\n\tNOSYMFOLLOW= 1ull << 32\n};\n\n\ninline MountFlags operator|(MountFlags a, MountFlags b) {\n\treturn static_cast(\n\t\t\tstatic_cast>(a) |\n\t\t\tstatic_cast>(b)\n\t);\n}\n\ninline MountFlags& operator|=(MountFlags& a, MountFlags b) {\n\ta = a | b;\n\treturn a;\n}\n\ninline bool operator&(MountFlags a, MountFlags b) {\n\treturn\n\t\t\tstatic_cast>(a) &\n\t\t\tstatic_cast>(b);\n}\n\nenum class PropagationType {\n\tPRIVATE,\n\tSHARED,\n\tSLAVE,\n\tUNBINDABLE,\n\tUNKNOWN\n};\n\nstruct MountPropagation {\n\tPropagationType type = PropagationType::UNKNOWN;\n\tint id = -1;\n};\n\nstatic const std::unordered_map mountFlags = {\n\t\t{\"ro\", MountFlags::RO}, {\"rw\", MountFlags::RW}, {\"noexec\", MountFlags::NOEXEC},\n\t\t{\"exec\", MountFlags::EXEC}, {\"nosuid\", MountFlags::NOSUID}, {\"suid\", MountFlags::SUID},\n\t\t{\"nodev\", MountFlags::NODEV}, {\"dev\", MountFlags::DEV}, {\"relatime\", MountFlags::RELATIME},\n\t\t{\"norelatime\", MountFlags::NORELATIME}, {\"strictatime\", MountFlags::STRICTATIME},\n\t\t{\"noatime\", MountFlags::NOATIME}, {\"atime\", MountFlags::ATIME}, {\"dirsync\", MountFlags::DIRSYNC},\n\t\t{\"sync\", MountFlags::SYNC}, {\"mand\", MountFlags::MANDLOCK}, {\"nodiratime\", MountFlags::NODIRATIME},\n\t\t{\"lazytime\", MountFlags::LAZYTIME}, {\"seclabel\", MountFlags::SECLABEL}, {\"index\", MountFlags::INDEX},\n\t\t{\"noindex\", MountFlags::NOINDEX}, {\"metacopy\", MountFlags::METACOPY},\n\t\t{\"nometacopy\", MountFlags::NOMETACOPY}, {\"bind\", MountFlags::BIND},\n\t\t{\"rprivate\", MountFlags::RPRIVATE}, {\"rshared\", MountFlags::RSHARED},\n\t\t{\"rslave\", MountFlags::RSLAVE}, {\"private\", MountFlags::PRIVATE},\n\t\t{\"shared\", MountFlags::SHARED}, {\"slave\", MountFlags::SLAVE},\n\t\t{\"rec\", MountFlags::REC}, {\"remount\", MountFlags::REMOUNT},\n\t\t{\"nosymfollow\", MountFlags::NOSYMFOLLOW}\n};\n\nstruct MountOptions {\n\tMountFlags flags = MountFlags(0);\n\tstd::unordered_map flagmap;\n\n\tvoid parse(const std::string& str) {\n\t\tstd::istringstream s(str);\n\t\tstd::string opt;\n\t\twhile (std::getline(s, opt, ',')) {\n\t\t\tauto it = mountFlags.find(opt);\n\t\t\tif (it != mountFlags.end()) {\n\t\t\t\tflags |= it->second;\n\t\t\t} else {\n\t\t\t\tsize_t eq = opt.find('=');\n\t\t\t\tif (eq != std::string::npos) {\n\t\t\t\t\tflagmap[opt.substr(0, eq)] = opt.substr(eq + 1);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n};\n\nclass MountInfo {\npublic:\n\texplicit MountInfo(const std::string& line) {\n\t\tstd::istringstream ss(line);\n\t\tstd::vector parts;\n\t\tstd::string token;\n\t\twhile (ss >> token)\n\t\t\tparts.push_back(token);\n\t\tauto it = std::find(parts.begin(), parts.end(), std::string(\"-\"));\n\t\tif (it == parts.end() || std::distance(parts.begin(), it) < 6)\n\t\t\treturn;\n\t\tsize_t sep_idx = std::distance(parts.begin(), it);\n\t\tmnt_id = std::stoi(parts[0]);\n\t\tmnt_parent_id = std::stoi(parts[1]);\n\t\tparseMajorMinor(parts[2]);\n\t\troot = parts[3];\n\t\tmnt_pnt = parts[4];\n\t\tparseFlags(parts[5]);\n\t\tfor (size_t i = 6; i < sep_idx; ++i)\n\t\t\tparsePropagation(parts[i]);\n\t\tfs_type = parts[sep_idx + 1];\n\t\tmnt_src = parts[sep_idx + 2];\n\t\tparseOptions(parts[sep_idx + 3]);\n\t}\n\n\t~MountInfo() = default;\n\n\t[[nodiscard]] int getMountId() const { return mnt_id; }\n\t[[nodiscard]] int getParentId() const { return mnt_parent_id; }\n\t[[nodiscard]] dev_t getDev() const { return dev; }\n\t[[nodiscard]] const std::string& getRoot() const { return root; }\n\t[[nodiscard]] const std::string& getMountPoint() const { return mnt_pnt; }\n\t[[nodiscard]] MountFlags getFlags() const { return mnt_flags; }\n\t[[nodiscard]] const MountPropagation& getPropagation() const { return propagation; }\n\t[[nodiscard]] const std::string& getFsType() const { return fs_type; }\n\t[[nodiscard]] const std::string& getMountSource() const { return mnt_src; }\n\t[[nodiscard]] const MountOptions& getMountOptions() const { return mnt_opts; }\n\nprivate:\n\tint mnt_id;\n\tint mnt_parent_id;\n\tdev_t dev = 0;\n\tstd::string root;\n\tstd::string mnt_pnt;\n\tMountFlags mnt_flags = MountFlags(0);\n\tMountPropagation propagation;\n\tstd::string fs_type;\n\tstd::string mnt_src;\n\tMountOptions mnt_opts;\n\n\tvoid parseFlags(const std::string& str) {\n\t\tstd::istringstream s(str);\n\t\tstd::string opt;\n\t\twhile (std::getline(s, opt, ',')) {\n\t\t\tauto it = mountFlags.find(opt);\n\t\t\tif (it != mountFlags.end())\n\t\t\t\tmnt_flags |= it->second;\n\t\t}\n\t}\n\n\tvoid parsePropagation(const std::string& pg) {\n\t\tif (pg.find(\"master:\") == 0) {\n\t\t\tpropagation.type = PropagationType::SLAVE;\n\t\t\tpropagation.id = std::stoi(pg.substr(7));\n\t\t} else if (pg.find(\"shared:\") == 0) {\n\t\t\tpropagation.type = PropagationType::SHARED;\n\t\t\tpropagation.id = std::stoi(pg.substr(7));\n\t\t} else if (pg == \"unbindable\") {\n\t\t\tpropagation.type = PropagationType::UNBINDABLE;\n\t\t} else if (pg == \"private\") {\n\t\t\tpropagation.type = PropagationType::PRIVATE;\n\t\t}\n\t}\n\n\tvoid parseOptions(const std::string& opt) {\n\t\tmnt_opts.parse(opt);\n\t}\n\n\tvoid parseMajorMinor(const std::string& mmstr) {\n\t\tsize_t sep = mmstr.find(':');\n\t\tif (sep != std::string::npos) {\n\t\t\tint major = std::stoi(mmstr.substr(0, sep));\n\t\t\tint minor = std::stoi(mmstr.substr(sep + 1));\n\t\t\tdev = makedev(major, minor);\n\t\t} else {\n\t\t\tdev = 0;\n\t\t}\n\t}\n};\n\nclass MountRootResolver {\nprivate:\n\tstd::unordered_map dmm;\n\npublic:\n\texplicit MountRootResolver(const std::vector& mounts) {\n\t\tfor (const auto& mount : mounts) {\n\t\t\tif (mount.getRoot() == \"/\") {\n\t\t\t\tdmm[mount.getDev()] = mount.getMountPoint();\n\t\t\t}\n\t\t}\n\t}\n\n\t~MountRootResolver() = default;\n\n\tstd::string resolveRoot(const MountInfo& mount) {\n\t\tauto dev = mount.getDev();\n\t\tauto it = dmm.find(dev);\n\t\tif (it != dmm.end()) {\n\t\t\tif (it->second != \"/\")\n\t\t\t\treturn it->second + mount.getRoot();\n\t\t}\n\t\treturn mount.getRoot();\n\t}\n};\n\nstd::vector getMountInfo(const std::string& path = \"/proc/self/mountinfo\") {\n\tstd::ifstream mi(path);\n\tstd::vector mounts;\n\tstd::string line;\n\tif (!mi.is_open())\n\t\treturn mounts;\n\twhile (std::getline(mi, line)) {\n\t\tMountInfo mountInfo(line);\n\t\tmounts.emplace_back(std::move(mountInfo));\n\t}\n\tmi.close();\n\treturn mounts;\n}"], ["/NoHello/module/src/main/cpp/MountRuleParser.cpp", "#include \n#include \n#include \n#include \n#include \n#include \n#include \"log.h\"\n\nclass MountRuleParser {\npublic:\n\tstruct MountRule {\n\t\tstd::vector rootSubstrs;\n\t\tstd::vector mountPointSubstrs;\n\t\tstd::unordered_set fsTypes;\n\t\tstd::vector sources; // changed from unordered_set to vector for wildcard matching\n\n\t\texplicit operator bool() const {\n\t\t\treturn !(rootSubstrs.empty() && mountPointSubstrs.empty() && fsTypes.empty() && sources.empty());\n\t\t}\n\n\t\tbool matches(const std::string& root, const std::string& mountPoint,\n\t\t\t\t\t const std::string& fsType, const std::string& source) const {\n\t\t\treturn matchList(rootSubstrs, root) &&\n\t\t\t\t matchList(mountPointSubstrs, mountPoint) &&\n\t\t\t\t (fsTypes.empty() || fsTypes.count(fsType) > 0) &&\n\t\t\t\t matchSourceList(sources, source);\n\t\t}\n\n\t\tbool matches(const std::vector& roots, const std::string& mountPoint,\n\t\t\t\t\t const std::string& fsType, const std::string& source) const {\n\t\t\tif (!matchList(mountPointSubstrs, mountPoint) ||\n\t\t\t\t(!fsTypes.empty() && fsTypes.count(fsType) == 0) ||\n\t\t\t\t!matchSourceList(sources, source)) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t\tfor (const auto& root : roots) {\n\t\t\t\tif (matchList(rootSubstrs, root)) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn false;\n\t\t}\n\n\n\tprivate:\n\t\tstatic bool match_with_wildcard(const std::string& value, const std::string& rawPattern) {\n\t\t\tstd::string pattern;\n\t\t\tstd::vector isEscaped;\n\n\t\t\tfor (size_t i = 0; i < rawPattern.size(); ++i) {\n\t\t\t\tif (rawPattern[i] == '\\\\' && i + 1 < rawPattern.size()) {\n\t\t\t\t\t++i;\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(true);\n\t\t\t\t} else {\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(false);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tbool startsWithWildcard = !pattern.empty() && pattern.front() == '*' && !isEscaped[0];\n\t\t\tbool endsWithWildcard = !pattern.empty() &&\n\t\t\t\t\t\t\t\t\tpattern.back() == '*' &&\n\t\t\t\t\t\t\t\t\t!isEscaped[pattern.size() - 1];\n\n\t\t\tif (startsWithWildcard && endsWithWildcard && pattern.size() > 2) {\n\t\t\t\treturn value.find(pattern.substr(1, pattern.size() - 2)) != std::string::npos;\n\t\t\t} else if (startsWithWildcard) {\n\t\t\t\tstd::string suffix = pattern.substr(1);\n\t\t\t\treturn value.size() >= suffix.size() &&\n\t\t\t\t\t value.compare(value.size() - suffix.size(), suffix.size(), suffix) == 0;\n\t\t\t} else if (endsWithWildcard) {\n\t\t\t\tstd::string prefix = pattern.substr(0, pattern.size() - 1);\n\t\t\t\treturn value.compare(0, prefix.size(), prefix) == 0;\n\t\t\t} else {\n\t\t\t\treturn value == pattern;\n\t\t\t}\n\t\t}\n\n\t\tstatic bool match_source_pattern(const std::string& value, const std::string& rawPattern) {\n\t\t\tstd::string pattern;\n\t\t\tstd::vector isEscaped;\n\n\t\t\tfor (size_t i = 0; i < rawPattern.size(); ++i) {\n\t\t\t\tif (rawPattern[i] == '\\\\' && i + 1 < rawPattern.size()) {\n\t\t\t\t\t++i;\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(true);\n\t\t\t\t} else {\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(false);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tbool startsWithWildcard = !pattern.empty() && pattern.front() == '*' && !isEscaped[0];\n\t\t\tbool endsWithWildcard = !pattern.empty() &&\n\t\t\t\t\t\t\t\t\tpattern.back() == '*' &&\n\t\t\t\t\t\t\t\t\t!isEscaped[pattern.size() - 1];\n\n\t\t\tif (startsWithWildcard && endsWithWildcard && pattern.size() > 2) {\n\t\t\t\treturn value.find(pattern.substr(1, pattern.size() - 2)) != std::string::npos;\n\t\t\t} else if (startsWithWildcard) {\n\t\t\t\tstd::string suffix = pattern.substr(1);\n\t\t\t\treturn value.size() >= suffix.size() &&\n\t\t\t\t\t value.compare(value.size() - suffix.size(), suffix.size(), suffix) == 0;\n\t\t\t} else if (endsWithWildcard) {\n\t\t\t\tstd::string prefix = pattern.substr(0, pattern.size() - 1);\n\t\t\t\treturn value.compare(0, prefix.size(), prefix) == 0;\n\t\t\t} else {\n\t\t\t\treturn value == pattern;\n\t\t\t}\n\t\t}\n\n\t\tstatic bool matchList(const std::vector& patterns, const std::string& value) {\n\t\t\tif (patterns.empty()) return true;\n\t\t\treturn std::any_of(patterns.begin(), patterns.end(),\n\t\t\t\t\t\t\t [&](const std::string& p) { return match_with_wildcard(value, p); });\n\t\t}\n\n\t\tstatic bool matchSourceList(const std::vector& patterns, const std::string& value) {\n\t\t\tif (patterns.empty()) return true;\n\t\t\treturn std::any_of(patterns.begin(), patterns.end(),\n\t\t\t\t\t\t\t [&](const std::string& p) { return match_source_pattern(value, p); });\n\t\t}\n\t};\n\n\t// Not necessary anymore\n\tstruct MountEntry {\n\t\tstd::string root;\n\t\tstd::string mountPoint;\n\t\tstd::string fsType;\n\t\tstd::string mountSource;\n\t};\n\n\t// Used previously for testing its effectiveness\n\tstatic MountEntry parseMountinfo(const std::string& line) {\n\t\tstd::istringstream iss(line);\n\t\tstd::vector tokens;\n\t\tstd::string token;\n\n\t\twhile (iss >> token) tokens.push_back(token);\n\n\t\tauto sep = std::find(tokens.begin(), tokens.end(), \"-\");\n\t\tif (sep == tokens.end() || std::distance(tokens.begin(), sep) < 6) {\n\t\t\tLOGE(\"[MountRuleParser::parseMultipleRules]: Malformed mountinfo line\");\n\t\t\treturn {};\n\t\t}\n\n\t\tMountEntry entry;\n\t\tentry.root = tokens[3];\n\t\tentry.mountPoint = tokens[4];\n\t\tentry.fsType = *(sep + 1);\n\t\tentry.mountSource = *(sep + 2);\n\t\treturn entry;\n\t}\n\n\tstatic MountRule parseRuleString(const std::string& ruleText) {\n\t\tif (!validateSyntax(ruleText)) {\n\t\t\treturn {};\n\t\t}\n\n\t\tMountRule rule;\n\t\tauto tokens = tokenizePreserveQuotes(ruleText);\n\n\t\tenum Section { NONE, ROOT, POINT, FILESYSTEM, SOURCE } current = NONE;\n\t\tenum State { WRITING, IDLE } state = IDLE;\n\n\t\tfor (std::string& word : tokens) {\n\t\t\tif (state == IDLE) {\n\t\t\t\tif (current == NONE) {\n\t\t\t\t\tif (word == \"root\") current = ROOT;\n\t\t\t\t\telse if (word == \"point\") current = POINT;\n\t\t\t\t\telse if (word == \"fs\") current = FILESYSTEM;\n\t\t\t\t\telse if (word == \"source\") current = SOURCE;\n\t\t\t\t} else if (word == \"{\") {\n\t\t\t\t\tstate = WRITING;\n\t\t\t\t}\n\t\t\t} else if (state == WRITING && word == \"}\") {\n\t\t\t\tcurrent = NONE;\n\t\t\t\tstate = IDLE;\n\t\t\t} else {\n\t\t\t\tif ((word.front() == '\"' && word.back() == '\"') ||\n\t\t\t\t\t(word.front() == '\\'' && word.back() == '\\'')) {\n\t\t\t\t\tword = word.substr(1, word.size() - 2);\n\t\t\t\t}\n\n\t\t\t\tswitch (current) {\n\t\t\t\t\tcase ROOT:\n\t\t\t\t\t\trule.rootSubstrs.push_back(word);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase POINT:\n\t\t\t\t\t\trule.mountPointSubstrs.push_back(word);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase FILESYSTEM:\n\t\t\t\t\t\trule.fsTypes.insert(word);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase SOURCE:\n\t\t\t\t\t\trule.sources.push_back(word); // changed from insert() to push_back()\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn rule;\n\t}\n\n\tstatic std::vector parseMultipleRules(const std::vector& ruleTexts) {\n\t\tstd::vector rules;\n\t\tfor (const auto& text : ruleTexts) {\n\t\t\tMountRule rule = parseRuleString(text);\n\t\t\tif (rule) {\n\t\t\t\trules.push_back(rule);\n\t\t\t} else {\n\t\t\t\tLOGE(\"[MountRuleParser::parseMultipleRules]: Failed to parse rule: `%s`\", text.c_str());\n\t\t\t}\n\t\t}\n\t\treturn rules;\n\t}\n\nprivate:\n\tstatic bool validateSyntax(const std::string& text) {\n\t\tint braceCount = 0;\n\t\tbool inDoubleQuotes = false, inSingleQuotes = false;\n\n\t\tfor (size_t i = 0; i < text.size(); ++i) {\n\t\t\tchar ch = text[i];\n\t\t\tif (ch == '\"' && !inSingleQuotes && (i == 0 || text[i - 1] != '\\\\'))\n\t\t\t\tinDoubleQuotes = !inDoubleQuotes;\n\t\t\telse if (ch == '\\'' && !inDoubleQuotes && (i == 0 || text[i - 1] != '\\\\'))\n\t\t\t\tinSingleQuotes = !inSingleQuotes;\n\n\t\t\tif (!inDoubleQuotes && !inSingleQuotes) {\n\t\t\t\tif (ch == '{') ++braceCount;\n\t\t\t\telse if (ch == '}') {\n\t\t\t\t\t--braceCount;\n\t\t\t\t\tif (braceCount < 0) return false;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn braceCount == 0 && !inDoubleQuotes && !inSingleQuotes;\n\t}\n\n\tstatic std::vector tokenizePreserveQuotes(const std::string& text) {\n\t\tstd::vector tokens;\n\t\tstd::string current;\n\t\tbool inQuotes = false;\n\t\tchar quoteChar = '\\0';\n\n\t\tfor (size_t i = 0; i < text.length(); ++i) {\n\t\t\tchar c = text[i];\n\n\t\t\tif ((c == '\"' || c == '\\'') && (i == 0 || text[i - 1] != '\\\\')) {\n\t\t\t\tif (!inQuotes) {\n\t\t\t\t\tinQuotes = true;\n\t\t\t\t\tquoteChar = c;\n\t\t\t\t\tcurrent += c;\n\t\t\t\t} else if (c == quoteChar) {\n\t\t\t\t\tinQuotes = false;\n\t\t\t\t\tcurrent += c;\n\t\t\t\t\ttokens.push_back(current);\n\t\t\t\t\tcurrent.clear();\n\t\t\t\t} else {\n\t\t\t\t\tcurrent += c;\n\t\t\t\t}\n\t\t\t} else if (std::isspace(c) && !inQuotes) {\n\t\t\t\tif (!current.empty()) {\n\t\t\t\t\ttokens.push_back(current);\n\t\t\t\t\tcurrent.clear();\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tcurrent += c;\n\t\t\t}\n\t\t}\n\n\t\tif (!current.empty()) tokens.push_back(current);\n\t\treturn tokens;\n\t}\n};\n"], ["/NoHello/module/src/main/cpp/PropertyManager.h", "class PropertyManager {\n public:\n explicit PropertyManager(std::string path) {\n\tloadFromFile();\n}\n std::string getProp(const std::string& key, const std::string& defaultValue = \"\") {\n\tauto it = keyIndex.find(key);\n\treturn it != keyIndex.end() ? orderedProps[it->second].second : defaultValue;\n}\n void setProp(const std::string& key, const std::string& value) {\n\tauto it = keyIndex.find(key);\n\tif (it != keyIndex.end()) {\n\t\t// Update existing\n\t\torderedProps[it->second].second = value;\n\t} else {\n\t\t// Append new\n\t\tsize_t idx = orderedProps.size();\n\t\torderedProps.emplace_back(key, value);\n\t\tkeyIndex[key] = idx;\n\t}\n\n\tsaveToFile();\n}\n private:\n std::string filePath;\n std::vector> orderedProps;\n std::unordered_map keyIndex;\n bool loadFromFile() {\n\torderedProps.clear();\n\tkeyIndex.clear();\n\n\tstd::ifstream file(filePath);\n\tif (!file.is_open()) {\n\t\tLOGW(\"PropertyManager: Could not open %s for loading.\", filePath.c_str());\n\t\treturn false;\n\t}\n\n\tstd::string line;\n\twhile (std::getline(file, line)) {\n\t\tif (line.empty() || line[0] == '#')\n\t\t\tcontinue;\n\n\t\tauto pos = line.find('=');\n\t\tif (pos == std::string::npos)\n\t\t\tcontinue;\n\n\t\tstd::string key = line.substr(0, pos);\n\t\tstd::string val = line.substr(pos + 1);\n\n\t\tsize_t idx = orderedProps.size();\n\t\torderedProps.emplace_back(key, val);\n\t\tkeyIndex[key] = idx;\n\t}\n\n\tfile.close();\n\treturn true;\n}\n bool saveToFile() {\n\tstd::ofstream file(filePath, std::ios::trunc);\n\tif (!file.is_open()) {\n\t\tLOGE(\"PropertyManager: Could not open %s for saving.\", filePath.c_str());\n\t\treturn false;\n\t}\n\n\tfor (const auto& [key, value] : orderedProps) {\n\t\tfile << key << \"=\" << value << '\\n';\n\t}\n\n\tfile.close();\n\treturn true;\n}\n};"], ["/NoHello/module/src/main/cpp/log.h", "\n#pragma once\n\n#ifndef NOHELLO_LOG_H\n#define NOHELLO_LOG_H\n\n#ifdef DEBUG_BUILD\n#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, \"NoHello\", __VA_ARGS__)\n#else\n#define LOGD(...) ((void) 0)\n#endif\n\n#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, \"NoHello\", __VA_ARGS__)\n#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, \"NoHello\", __VA_ARGS__)\n#define LOGW(...) __android_log_print(ANDROID_LOG_WARN, \"NoHello\", __VA_ARGS__)\n#define LOGF(...) __android_log_print(ANDROID_LOG_FATAL, \"NoHello\", __VA_ARGS__)\n\n#endif //NOHELLO_LOG_H\n"]], "task_instance_info": {"created_time": "2025-08-20 19:49:24", "created_task_model": "DeepSeek-R1", "function_skeleton": "std::pair devinobymap(const std::string& lib, bool useFind = false, unsigned int *ln = nullptr) {}", "code_description": "This code segment functions to: Locate specific library entries within process memory mappings and retrieve associated filesystem identifiers by parsing hexadecimal device codes and inode numbers from matched entries."}, "inference_content": {"inference_model": "DeepSeek-R1", "inference_result": "```cpp\n[TASK_BEGIN]\nstd::pair devinobymap(const std::string& lib, bool useFind, unsigned int* ln) {\n std::ifstream maps(\"/proc/self/maps\");\n std::string line;\n unsigned int current_line = 0;\n while (std::getline(maps, line)) {\n ++current_line;\n std::istringstream iss(line);\n std::vector tokens;\n std::string token;\n while (iss >> token)\n tokens.push_back(token);\n if (tokens.size() < 6)\n continue;\n \n std::string path;\n for (size_t i = 5; i < tokens.size(); ++i) {\n if (i != 5) path += ' ';\n path += tokens[i];\n }\n \n if (path.find(lib) != std::string::npos) {\n struct stat st{};\n if (stat(path.c_str(), &st) == 0) {\n if (ln) *ln = current_line;\n return {st.st_dev, st.st_ino};\n }\n }\n }\n \n if (useFind) {\n auto res = devinoby(lib.c_str());\n if (res)\n return res.value();\n }\n \n return {0, 0};\n}\n[TASK_END]\n```", "inference_time": "2025-08-20 19-50-12"}, "editdistance_info": {"edit_distance": 20.2899, "calculate_time": "2025-08-20 19:50:12", "true_code_clean": "std::pair devinobymap(const std::string& lib, bool useFind = false, unsigned int *ln = nullptr) {\n\tstd::ifstream maps(\"/proc/self/maps\");\n\tunsigned int index = 0;\n\tstd::string line;\n\tstd::string needle = \"/\" + lib;\n\twhile (std::getline(maps, line)) {\n\t\tif (ln && index < *ln) {\n\t\t\tindex++;\n\t\t\tcontinue;\n\t\t}\n\t\tif (line.size() >= needle.size() && ((useFind && line.find(needle) != std::string::npos) ||\n\t\t\tline.compare(line.size() - needle.size(), needle.size(), needle) == 0)) {\n\t\t\tstd::istringstream iss(line);\n\t\t\tstd::string addr, perms, offset, dev, inode_str;\n\t\t\tiss >> addr >> perms >> offset >> dev >> inode_str;\n\t\t\tstd::istringstream devsplit(dev);\n\t\t\tstd::string major_hex, minor_hex;\n\t\t\tif (std::getline(devsplit, major_hex, ':') &&\n\t\t\t\tstd::getline(devsplit, minor_hex)) {\n\t\t\t\tint major = std::stoi(major_hex, nullptr, 16);\n\t\t\t\tint minor = std::stoi(minor_hex, nullptr, 16);\n\t\t\t\tdev_t devnum = makedev(major, minor);\n\t\t\t\tino_t inode = std::stoul(inode_str);\n\t\t\t\tif (ln)\n\t\t\t\t\t*ln = index;\n\t\t\t\treturn {devnum, inode};\n\t\t\t}\n\t\t}\n\t\tindex++;\n\t}\n\tif (ln)\n\t\t*ln = -1;\n\treturn {dev_t(0), ino_t(0)};\n}", "predict_code_clean": "std::pair devinobymap(const std::string& lib, bool useFind, unsigned int* ln) {\n std::ifstream maps(\"/proc/self/maps\");\n std::string line;\n unsigned int current_line = 0;\n while (std::getline(maps, line)) {\n ++current_line;\n std::istringstream iss(line);\n std::vector tokens;\n std::string token;\n while (iss >> token)\n tokens.push_back(token);\n if (tokens.size() < 6)\n continue;\n std::string path;\n for (size_t i = 5; i < tokens.size(); ++i) {\n if (i != 5) path += ' ';\n path += tokens[i];\n }\n if (path.find(lib) != std::string::npos) {\n struct stat st{};\n if (stat(path.c_str(), &st) == 0) {\n if (ln) *ln = current_line;\n return {st.st_dev, st.st_ino};\n }\n }\n }\n if (useFind) {\n auto res = devinoby(lib.c_str());\n if (res)\n return res.value();\n }\n return {0, 0};\n}"}} {"repo_name": "NoHello", "file_name": "/NoHello/module/src/main/cpp/mountsinfo.cpp", "inference_info": {"prefix_code": "#pragma once\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n\nenum class MountFlags : uint64_t {\n\tRO = 1ull << 0,\n\tRW = 1ull << 1,\n\tNOEXEC = 1ull << 2,\n\tEXEC = 1ull << 3,\n\tNOSUID = 1ull << 4,\n\tSUID = 1ull << 5,\n\tNODEV = 1ull << 6,\n\tDEV = 1ull << 7,\n\tRELATIME = 1ull << 8,\n\tNORELATIME = 1ull << 9,\n\tSTRICTATIME= 1ull << 10,\n\tNOATIME = 1ull << 11,\n\tATIME = 1ull << 12,\n\tDIRSYNC = 1ull << 13,\n\tSYNC = 1ull << 14,\n\tMANDLOCK = 1ull << 15,\n\tNODIRATIME = 1ull << 16,\n\tLAZYTIME = 1ull << 17,\n\tSECLABEL = 1ull << 18,\n\tINDEX = 1ull << 19,\n\tNOINDEX = 1ull << 20,\n\tMETACOPY = 1ull << 21,\n\tNOMETACOPY = 1ull << 22,\n\tBIND = 1ull << 23,\n\tRPRIVATE = 1ull << 24,\n\tRSHARED = 1ull << 25,\n\tRSLAVE = 1ull << 26,\n\tPRIVATE = 1ull << 27,\n\tSHARED = 1ull << 28,\n\tSLAVE = 1ull << 29,\n\tREC = 1ull << 30,\n\tREMOUNT = 1ull << 31,\n\tNOSYMFOLLOW= 1ull << 32\n};\n\n\ninline MountFlags operator|(MountFlags a, MountFlags b) {\n\treturn static_cast(\n\t\t\tstatic_cast>(a) |\n\t\t\tstatic_cast>(b)\n\t);\n}\n\ninline MountFlags& operator|=(MountFlags& a, MountFlags b) {\n\ta = a | b;\n\treturn a;\n}\n\ninline bool operator&(MountFlags a, MountFlags b) {\n\treturn\n\t\t\tstatic_cast>(a) &\n\t\t\tstatic_cast>(b);\n}\n\nenum class PropagationType {\n\tPRIVATE,\n\tSHARED,\n\tSLAVE,\n\tUNBINDABLE,\n\tUNKNOWN\n};\n\nstruct MountPropagation {\n\tPropagationType type = PropagationType::UNKNOWN;\n\tint id = -1;\n};\n\nstatic const std::unordered_map mountFlags = {\n\t\t{\"ro\", MountFlags::RO}, {\"rw\", MountFlags::RW}, {\"noexec\", MountFlags::NOEXEC},\n\t\t{\"exec\", MountFlags::EXEC}, {\"nosuid\", MountFlags::NOSUID}, {\"suid\", MountFlags::SUID},\n\t\t{\"nodev\", MountFlags::NODEV}, {\"dev\", MountFlags::DEV}, {\"relatime\", MountFlags::RELATIME},\n\t\t{\"norelatime\", MountFlags::NORELATIME}, {\"strictatime\", MountFlags::STRICTATIME},\n\t\t{\"noatime\", MountFlags::NOATIME}, {\"atime\", MountFlags::ATIME}, {\"dirsync\", MountFlags::DIRSYNC},\n\t\t{\"sync\", MountFlags::SYNC}, {\"mand\", MountFlags::MANDLOCK}, {\"nodiratime\", MountFlags::NODIRATIME},\n\t\t{\"lazytime\", MountFlags::LAZYTIME}, {\"seclabel\", MountFlags::SECLABEL}, {\"index\", MountFlags::INDEX},\n\t\t{\"noindex\", MountFlags::NOINDEX}, {\"metacopy\", MountFlags::METACOPY},\n\t\t{\"nometacopy\", MountFlags::NOMETACOPY}, {\"bind\", MountFlags::BIND},\n\t\t{\"rprivate\", MountFlags::RPRIVATE}, {\"rshared\", MountFlags::RSHARED},\n\t\t{\"rslave\", MountFlags::RSLAVE}, {\"private\", MountFlags::PRIVATE},\n\t\t{\"shared\", MountFlags::SHARED}, {\"slave\", MountFlags::SLAVE},\n\t\t{\"rec\", MountFlags::REC}, {\"remount\", MountFlags::REMOUNT},\n\t\t{\"nosymfollow\", MountFlags::NOSYMFOLLOW}\n};\n\nstruct MountOptions {\n\tMountFlags flags = MountFlags(0);\n\tstd::unordered_map flagmap;\n\n\tvoid parse(const std::string& str) {\n\t\tstd::istringstream s(str);\n\t\tstd::string opt;\n\t\twhile (std::getline(s, opt, ',')) {\n\t\t\tauto it = mountFlags.find(opt);\n\t\t\tif (it != mountFlags.end()) {\n\t\t\t\tflags |= it->second;\n\t\t\t} else {\n\t\t\t\tsize_t eq = opt.find('=');\n\t\t\t\tif (eq != std::string::npos) {\n\t\t\t\t\tflagmap[opt.substr(0, eq)] = opt.substr(eq + 1);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n};\n\nclass MountInfo {\npublic:\n\t", "suffix_code": "\n\n\t~MountInfo() = default;\n\n\t[[nodiscard]] int getMountId() const { return mnt_id; }\n\t[[nodiscard]] int getParentId() const { return mnt_parent_id; }\n\t[[nodiscard]] dev_t getDev() const { return dev; }\n\t[[nodiscard]] const std::string& getRoot() const { return root; }\n\t[[nodiscard]] const std::string& getMountPoint() const { return mnt_pnt; }\n\t[[nodiscard]] MountFlags getFlags() const { return mnt_flags; }\n\t[[nodiscard]] const MountPropagation& getPropagation() const { return propagation; }\n\t[[nodiscard]] const std::string& getFsType() const { return fs_type; }\n\t[[nodiscard]] const std::string& getMountSource() const { return mnt_src; }\n\t[[nodiscard]] const MountOptions& getMountOptions() const { return mnt_opts; }\n\nprivate:\n\tint mnt_id;\n\tint mnt_parent_id;\n\tdev_t dev = 0;\n\tstd::string root;\n\tstd::string mnt_pnt;\n\tMountFlags mnt_flags = MountFlags(0);\n\tMountPropagation propagation;\n\tstd::string fs_type;\n\tstd::string mnt_src;\n\tMountOptions mnt_opts;\n\n\tvoid parseFlags(const std::string& str) {\n\t\tstd::istringstream s(str);\n\t\tstd::string opt;\n\t\twhile (std::getline(s, opt, ',')) {\n\t\t\tauto it = mountFlags.find(opt);\n\t\t\tif (it != mountFlags.end())\n\t\t\t\tmnt_flags |= it->second;\n\t\t}\n\t}\n\n\tvoid parsePropagation(const std::string& pg) {\n\t\tif (pg.find(\"master:\") == 0) {\n\t\t\tpropagation.type = PropagationType::SLAVE;\n\t\t\tpropagation.id = std::stoi(pg.substr(7));\n\t\t} else if (pg.find(\"shared:\") == 0) {\n\t\t\tpropagation.type = PropagationType::SHARED;\n\t\t\tpropagation.id = std::stoi(pg.substr(7));\n\t\t} else if (pg == \"unbindable\") {\n\t\t\tpropagation.type = PropagationType::UNBINDABLE;\n\t\t} else if (pg == \"private\") {\n\t\t\tpropagation.type = PropagationType::PRIVATE;\n\t\t}\n\t}\n\n\tvoid parseOptions(const std::string& opt) {\n\t\tmnt_opts.parse(opt);\n\t}\n\n\tvoid parseMajorMinor(const std::string& mmstr) {\n\t\tsize_t sep = mmstr.find(':');\n\t\tif (sep != std::string::npos) {\n\t\t\tint major = std::stoi(mmstr.substr(0, sep));\n\t\t\tint minor = std::stoi(mmstr.substr(sep + 1));\n\t\t\tdev = makedev(major, minor);\n\t\t} else {\n\t\t\tdev = 0;\n\t\t}\n\t}\n};\n\nclass MountRootResolver {\nprivate:\n\tstd::unordered_map dmm;\n\npublic:\n\texplicit MountRootResolver(const std::vector& mounts) {\n\t\tfor (const auto& mount : mounts) {\n\t\t\tif (mount.getRoot() == \"/\") {\n\t\t\t\tdmm[mount.getDev()] = mount.getMountPoint();\n\t\t\t}\n\t\t}\n\t}\n\n\t~MountRootResolver() = default;\n\n\tstd::string resolveRoot(const MountInfo& mount) {\n\t\tauto dev = mount.getDev();\n\t\tauto it = dmm.find(dev);\n\t\tif (it != dmm.end()) {\n\t\t\tif (it->second != \"/\")\n\t\t\t\treturn it->second + mount.getRoot();\n\t\t}\n\t\treturn mount.getRoot();\n\t}\n};\n\nstd::vector getMountInfo(const std::string& path = \"/proc/self/mountinfo\") {\n\tstd::ifstream mi(path);\n\tstd::vector mounts;\n\tstd::string line;\n\tif (!mi.is_open())\n\t\treturn mounts;\n\twhile (std::getline(mi, line)) {\n\t\tMountInfo mountInfo(line);\n\t\tmounts.emplace_back(std::move(mountInfo));\n\t}\n\tmi.close();\n\treturn mounts;\n}", "middle_code": "explicit MountInfo(const std::string& line) {\n\t\tstd::istringstream ss(line);\n\t\tstd::vector parts;\n\t\tstd::string token;\n\t\twhile (ss >> token)\n\t\t\tparts.push_back(token);\n\t\tauto it = std::find(parts.begin(), parts.end(), std::string(\"-\"));\n\t\tif (it == parts.end() || std::distance(parts.begin(), it) < 6)\n\t\t\treturn;\n\t\tsize_t sep_idx = std::distance(parts.begin(), it);\n\t\tmnt_id = std::stoi(parts[0]);\n\t\tmnt_parent_id = std::stoi(parts[1]);\n\t\tparseMajorMinor(parts[2]);\n\t\troot = parts[3];\n\t\tmnt_pnt = parts[4];\n\t\tparseFlags(parts[5]);\n\t\tfor (size_t i = 6; i < sep_idx; ++i)\n\t\t\tparsePropagation(parts[i]);\n\t\tfs_type = parts[sep_idx + 1];\n\t\tmnt_src = parts[sep_idx + 2];\n\t\tparseOptions(parts[sep_idx + 3]);\n\t}", "code_description": null, "fill_type": "FUNCTION_TYPE", "language_type": "cpp", "sub_task_type": null}, "context_code": [["/NoHello/module/src/main/cpp/nohello.cpp", "/* Copyright 2022-2023 John \"topjohnwu\" Wu\n * Copyright 2024 The NoHello Contributors\n *\n * Permission to use, copy, modify, and/or distribute this software for any\n * purpose with or without fee is hereby granted.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\n * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\n * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\n * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\n * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\n * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\n * PERFORMANCE OF THIS SOFTWARE.\n */\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include // For std::pair, std::move\n\n#include \"zygisk.hpp\"\n#include \"external/android_filesystem_config.h\"\n#include \"mountsinfo.cpp\"\n#include \"utils.cpp\"\n#include \"external/fdutils/fd_utils.cpp\"\n#include \n#include \n#include \n#include \n#include \"log.h\"\n#include \"PropertyManager.cpp\"\n#include \"MountRuleParser.cpp\"\n#include \"external/emoji.h\"\n\nusing zygisk::Api;\nusing zygisk::AppSpecializeArgs;\nusing zygisk::ServerSpecializeArgs;\n\nnamespace fs = std::filesystem;\n\nstatic constexpr off_t EXT_SUPERBLOCK_OFFSET = 0x400;\nstatic constexpr off_t EXT_MAGIC_OFFSET = 0x38;\nstatic constexpr off_t EXT_ERRORS_OFFSET = 0x3C;\nstatic constexpr uint16_t EXT_MAGIC = 0xEF53;\nstatic const std::vector defaultRules = {\n\t\tR\"(source { \"KSU\", \"APatch\", \"magisk\", \"worker\" } fs { \"tmpfs\" \"overlay\" })\"\n};\n\nenum Advice {\n\tNORMAL = 0,\n\tMODULE_CONFLICT = 2,\n};\n\nenum State {\n\tSUCCESS = 0,\n\tFAILURE = 1\n};\n\nstatic const std::set toumount_sources = {\"KSU\", \"APatch\", \"magisk\", \"worker\"};\nstatic const std::string adbPathPrefix = \"/data/adb\";\n\nstatic bool anomaly(MountRootResolver mrs, const MountInfo &mount) {\n\tconst std::string resolved_root = mrs.resolveRoot(mount);\n\tif (resolved_root.starts_with(adbPathPrefix) || mount.getMountPoint().starts_with(adbPathPrefix)) {\n\t\treturn true;\n\t}\n\tconst auto& fs_type = mount.getFsType();\n\tconst auto& mnt_src = mount.getMountSource();\n\tif (toumount_sources.count(mnt_src)) {\n\t\treturn true;\n\t}\n\tif (fs_type == \"overlay\") {\n\t\tif (toumount_sources.count(mnt_src)) {\n\t\t\treturn true;\n\t\t}\n\t\tconst auto& fm = mount.getMountOptions().flagmap;\n\t\tif (fm.count(\"lowerdir\") && fm.at(\"lowerdir\").starts_with(adbPathPrefix)) {\n\t\t\treturn true;\n\t\t}\n\t\tif (fm.count(\"upperdir\") && fm.at(\"upperdir\").starts_with(adbPathPrefix)) {\n\t\t\treturn true;\n\t\t}\n\t\tif (fm.count(\"workdir\") && fm.at(\"workdir\").starts_with(adbPathPrefix)) {\n\t\t\treturn true;\n\t\t}\n\t} else if (fs_type == \"tmpfs\") {\n\t\tif (toumount_sources.count(mnt_src)) {\n\t\t\treturn true;\n\t\t}\n\t}\n\treturn false;\n}\n\nstatic bool anomaly(const MountRuleParser::MountRule& rule, MountRootResolver mrs, const MountInfo &mount) {\n\tconst std::string resolvedRoot = mrs.resolveRoot(mount);\n\tconst auto& fsType = mount.getFsType();\n\tif (fsType != \"overlay\") {\n\t\treturn rule.matches(resolvedRoot, mount.getMountPoint(), fsType, mount.getMountSource());\n\t} else {\n\t\tconst auto& fm = mount.getMountOptions().flagmap;\n\t\tstd::vector roots = {resolvedRoot};\n\t\tfor (const auto* key : {\"lowerdir\", \"upperdir\", \"workdir\"}) {\n\t\t\tauto it = fm.find(key);\n\t\t\tif (it != fm.end()) {\n\t\t\t\troots.push_back(it->second);\n\t\t\t}\n\t\t}\n\t\treturn rule.matches(roots, mount.getMountPoint(), fsType, mount.getMountSource());\n\t}\n\treturn false;\n}\n\nstatic bool anomaly(const std::vector& rules, MountRootResolver mrs, const MountInfo &mount) {\n\tconst std::string resolvedRoot = mrs.resolveRoot(mount);\n\tconst auto& fsType = mount.getFsType();\n\tconst auto& fm = mount.getMountOptions().flagmap;\n\tfor (const auto& rule : rules) {\n\t\tif (fsType != \"overlay\") {\n\t\t\tif (rule.matches(resolvedRoot, mount.getMountPoint(), fsType, mount.getMountSource()))\n\t\t\t\treturn true;\n\t\t} else {\n\t\t\tstd::vector roots = {resolvedRoot};\n\t\t\tfor (const auto* key : {\"lowerdir\", \"upperdir\", \"workdir\"}) {\n\t\t\t\tauto it = fm.find(key);\n\t\t\t\tif (it != fm.end()) {\n\t\t\t\t\troots.push_back(it->second);\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (rule.matches(roots, mount.getMountPoint(), fsType, mount.getMountSource()))\n\t\t\t\treturn true;\n\t\t}\n\t}\n\treturn false;\n}\n\nstatic std::pair anomaly(const std::unique_ptr fdi) {\n\tif (fdi->is_sock) {\n\t\tstd::string socket_name;\n\t\tif (fdi->GetSocketName(&socket_name)) {\n\t\t\tif (socket_name.find(\"magisk\") != std::string::npos ||\n\t\t\t\tsocket_name.find(\"kernelsu\") != std::string::npos || // For KernelSU daemon, common pattern\n\t\t\t\tsocket_name.find(\"ksud\") != std::string::npos || // KernelSU daemon\n\t\t\t\tsocket_name.find(\"apatchd\") != std::string::npos || // For APatch daemon, common pattern\n\t\t\t\tsocket_name.find(\"apd\") != std::string::npos // APatch daemon\n\t\t\t\t\t) {\n\t\t\t\tLOGD(\"Marking sensitive socket FD %d (%s) for sanitization.\", fdi->fd, socket_name.c_str());\n\t\t\t\treturn {true, true};\n\t\t\t}\n\t\t}\n\t} else { // Not a socket\n\t\tif (!fdi->file_path.starts_with(\"/memfd:\") &&\n\t\t\t!fdi->file_path.starts_with(\"/dev/ashmem\") && // Common, usually not root related\n\t\t\t!fdi->file_path.starts_with(\"[anon_inode:\") && // e.g., [anon_inode:sync_fence]\n\t\t\t!fdi->file_path.empty() // Ensure path is not empty\n\t\t\t\t) {\n\t\t\tif (fdi->file_path.starts_with(adbPathPrefix) ||\n\t\t\t\tfdi->file_path.find(\"magisk\") != std::string::npos ||\n\t\t\t\tfdi->file_path.find(\"kernelsu\") != std::string::npos ||\n\t\t\t\tfdi->file_path.find(\"apatch\") != std::string::npos) {\n\t\t\t\tLOGD(\"Marking sensitive file FD %d (%s) for sanitization.\", fdi->fd, fdi->file_path.c_str());\n\t\t\t\treturn {true, true};\n\t\t\t}\n\t\t}\n\t}\n\treturn {false, false};\n}\n\n\nstatic std::unique_ptr getExternalErrorBehaviour(const MountInfo& mount) {\n\tconst auto& fs = mount.getFsType();\n\tif (fs != \"ext2\" && fs != \"ext3\" && fs != \"ext4\")\n\t\treturn nullptr;\n\tstd::ifstream mntsrc(mount.getMountSource(), std::ios::binary);\n\tif (!mntsrc || !mntsrc.is_open())\n\t\treturn nullptr;\n\tuint16_t magic;\n\tmntsrc.seekg(EXT_SUPERBLOCK_OFFSET + EXT_MAGIC_OFFSET, std::ios::beg);\n\tmntsrc.read(reinterpret_cast(&magic), sizeof(magic));\n\tif (!mntsrc || mntsrc.gcount() != sizeof(magic))\n\t\treturn nullptr;\n\tmagic = le16toh(magic);\n\tif (magic != EXT_MAGIC)\n\t\treturn nullptr;\n\tuint16_t errors;\n\tmntsrc.seekg(EXT_SUPERBLOCK_OFFSET + EXT_ERRORS_OFFSET, std::ios::beg);\n\tmntsrc.read(reinterpret_cast(&errors), sizeof(errors));\n\tif (!mntsrc || mntsrc.gcount() != sizeof(errors))\n\t\treturn nullptr;\n\terrors = le16toh(errors);\n\tswitch (errors)\n\t{\n\t\tcase 1:\n\t\t\treturn std::make_unique(\"continue\");\n\t\tcase 2:\n\t\t\treturn std::make_unique(\"remount-ro\");\n\t\tcase 3:\n\t\t\treturn std::make_unique(\"panic\");\n\t\tdefault:\n\t\t\treturn nullptr;\n\t}\n\treturn nullptr;\n}\n\nstatic void doumount(const std::string& mntPnt);\n\nstatic void unmount(const std::vector& mounts) {\n\tMountRootResolver mrs(mounts);\n\tfor (const auto& mount : std::ranges::reverse_view(mounts)) {\n\t\tif (anomaly(mrs, mount))\n\t\t\tdoumount(mount.getMountPoint());\n\t}\n}\n\nstatic void unmount(const std::vector& rules, const std::vector& mounts) {\n\tMountRootResolver mrs(mounts);\n\tfor (const auto& mount : std::ranges::reverse_view(mounts)) {\n\t\tif (anomaly(rules, mrs, mount))\n\t\t\tdoumount(mount.getMountPoint());\n\t}\n}\n\nstatic void unmount(const MountRuleParser::MountRule& rule, const std::vector& mounts) {\n\tMountRootResolver mrs(mounts);\n\tfor (const auto& mount : std::ranges::reverse_view(mounts)) {\n\t\tif (anomaly(rule, mrs, mount))\n\t\t\tdoumount(mount.getMountPoint());\n\t}\n}\n\nstatic void doumount(const std::string& mntPnt) {\n\terrno = 0;\n\tint res;\n\tconst char *mntpnt = mntPnt.c_str();\n\tif ((res = umount2(mntpnt, MNT_DETACH)) == 0)\n\t\tLOGD(\"umount2(\\\"%s\\\", MNT_DETACH): returned (0): 0 (Success)\", mntpnt);\n\telse\n\t\tLOGE(\"umount2(\\\"%s\\\", MNT_DETACH): returned %d: %d (%s)\", mntpnt, res, errno, strerror(errno));\n}\n\nstatic void remount(const std::vector& mounts) {\n\tfor (const auto& mount : mounts) {\n\t\tif (mount.getMountPoint() == \"/data\") {\n\t\t\tconst auto& mntopts = mount.getMountOptions();\n\t\t\tconst auto& fm = mntopts.flagmap;\n\t\t\tif (!fm.count(\"errors\"))\n\t\t\t\tbreak;\n\t\t\tauto errors = getExternalErrorBehaviour(mount);\n\t\t\tif (!errors || fm.at(\"errors\") == *errors)\n\t\t\t\tbreak;\n\t\t\tauto mntflags = mount.getFlags();\n\t\t\tunsigned int flags = MS_REMOUNT;\n\t\t\tif (mntflags & MountFlags::NOSUID) {\n\t\t\t\tflags |= MS_NOSUID;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NODEV) {\n\t\t\t\tflags |= MS_NODEV;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NOEXEC) {\n\t\t\t\tflags |= MS_NOEXEC;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NOATIME) {\n\t\t\t\tflags |= MS_NOATIME;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NODIRATIME) {\n\t\t\t\tflags |= MS_NODIRATIME;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::RELATIME) {\n\t\t\t\tflags |= MS_RELATIME;\n\t\t\t}\n\t\t\tif (mntflags & MountFlags::NOSYMFOLLOW) {\n\t\t\t\tflags |= MS_NOSYMFOLLOW;\n\t\t\t}\n\t\t\tint res;\n\t\t\tif ((res = ::mount(nullptr, \"/data\", nullptr, flags, (std::string(\"errors=\") + *errors).c_str())) == 0)\n\t\t\t\tLOGD(\"mount(nullptr, \\\"/data\\\", nullptr, 0x%x, \\\"errors=%s\\\"): returned 0: 0 (Success)\", flags, errors->c_str());\n\t\t\telse\n\t\t\t\tLOGW(\"mount(NULL, \\\"/data\\\", NULL, 0x%x, \\\"errors=%s\\\"): returned %d: %d (%s)\", flags, errors->c_str(), res, errno, strerror(errno));\n\t\t\tbreak;\n\t\t}\n\t}\n}\n\nint (*ar_unshare)(int) = nullptr;\n\nstatic int reshare(int flags) {\n errno = 0;\n return ar_unshare(flags & ~(CLONE_NEWNS | CLONE_NEWCGROUP));\n}\n\nclass NoHello : public zygisk::ModuleBase {\npublic:\n void onLoad(Api *_api, JNIEnv *_env) override {\n this->api = _api;\n this->env = _env;\n }\n\n void preAppSpecialize(AppSpecializeArgs *args) override {\n preSpecialize(args);\n }\n\n\tvoid postAppSpecialize(const AppSpecializeArgs *args) override {\n\t\tconst char *process = env->GetStringUTFChars(args->nice_name, nullptr);\n\t\tpostSpecialize(process);\n\t\tenv->ReleaseStringUTFChars(args->nice_name, process);\n\t}\n\n void preServerSpecialize(ServerSpecializeArgs *args) override {\n //preSpecialize(\"system_server\"); // System server usually doesn't need this level of hiding\n\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n }\n\nprivate:\n Api *api{};\n JNIEnv *env{};\n\tint cfd{};\n\tdev_t rundev{};\n\tino_t runinode{};\n\tdev_t cdev{};\n\tino_t cinode{};\n\n\n void preSpecialize(AppSpecializeArgs *args) {\n\t\tunsigned int flags = api->getFlags();\n\t\tconst bool whitelist = access(\"/data/adb/nohello/whitelist\", F_OK) == 0;\n\t\tconst bool nodirtyro = access(\"/data/adb/nohello/no_dirtyro_ar\", F_OK) == 0;\n\t\tif (flags & zygisk::StateFlag::PROCESS_GRANTED_ROOT) {\n\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\treturn;\n\t\t}\n\t\tauto fn = [this](const std::string& lib) {\n\t\t\tauto di = devinoby(lib.c_str());\n\t\t\tif (di) {\n\t\t\t\treturn *di;\n\t\t\t} else {\n\t\t\t\tLOGW(\"#[zygisk::?] devino[dl_iterate_phdr]: Failed to get device & inode for %s\", lib.c_str());\n\t\t\t\tLOGI(\"#[zygisk::?] Fallback to use `/proc/self/maps`\");\n\t\t\t\treturn devinobymap(lib);\n\t\t\t}\n\t\t};\n\t\tif ((whitelist && isuserapp(args->uid)) || flags & zygisk::StateFlag::PROCESS_ON_DENYLIST) {\n\t\t\tpid_t pid = getpid(), ppid = getppid();\n\t\t\tcfd = api->connectCompanion(); // Companion FD\n\t\t\tapi->exemptFd(cfd);\n\t\t\tif (write(cfd, &ppid, sizeof(ppid)) != sizeof(ppid)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] write: [-> ppid]: %s\", strerror(errno));\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tint advice;\n\t\t\tif (read(cfd, &advice, sizeof(advice)) != sizeof(advice)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [<- status]: %s\", strerror(errno));\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tif (advice == MODULE_CONFLICT) {\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tstd::tie(cdev, cinode) = fn(\"libc.so\");\n\t\t\tif (!cdev && !cinode) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] Failed to get device & inode for libc.so\");\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tstd::tie(rundev, runinode) = fn(\"libandroid_runtime.so\");\n\t\t\tif (!rundev && !runinode) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] Failed to get device & inode for libandroid_runtime.so\");\n\t\t\t\tclose(cfd);\n\t\t\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tapi->pltHookRegister(rundev, runinode, \"unshare\", (void*) reshare, (void**) &ar_unshare);\n\t\t\tapi->pltHookCommit();\n\t\t\tif (!nodirtyro) {\n\t\t\t\tif (auto res = robaseby(rundev, runinode)) {\n\t\t\t\t\t/*\n\t\t\t\t\t * Temporary workaround to fix detection in apps that checks Shared_Clean\n\t\t\t\t\t * if >= 512kb\n\t\t\t\t\t */\n\t\t\t\t\tauto [base, size] = *res;\n\t\t\t\t\tlong pagesz = sysconf(_SC_PAGESIZE);\n\t\t\t\t\tsize_t alignedSize = (size + pagesz - 1) & ~(pagesz - 1);\n\t\t\t\t\tmprotect(base, alignedSize, PROT_READ | PROT_WRITE);\n\t\t\t\t\tfor (uintptr_t addr = (uintptr_t) base; addr < (uintptr_t) base + size; addr += pagesz) {\n\t\t\t\t\t\tvoid* page = reinterpret_cast(addr);\n\t\t\t\t\t\tuint8_t orig = *(volatile uint8_t*) page;\n\t\t\t\t\t\t*(volatile uint8_t*) page = orig;\n\t\t\t\t\t}\n\t\t\t\t\tmprotect(base, alignedSize, PROT_READ);\n\t\t\t\t\tmadvise(base, alignedSize, MADV_REMOVE);\n\t\t\t\t} else {\n\t\t\t\t\tLOGW(\"#[zygisk::preSpecialize] Failed to get ro block for libandroid_runtime.so\");\n\t\t\t\t}\n\t\t\t}\n\t\t\tstd::vector, bool>> fdSanitizeList; // bool is shouldDetach\n\t\t\tauto fds = GetOpenFds([](const std::string &error){\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] GetOpenFds: %s\", error.c_str());\n\t\t\t});\n\t\t\tif (fds) {\n\t\t\t\tfor (auto &fd : *fds) {\n\t\t\t\t\tif (fd == cfd) continue; // Skip companion FD itself\n\t\t\t\t\tauto fdi = FileDescriptorInfo::CreateFromFd(fd, [fd](const std::string &error){\n\t\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize] CreateFromFd(%d): %s\", fd, error.c_str());\n\t\t\t\t\t});\n\t\t\t\t\tif (!fdi)\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\tauto [canSanitize, shouldDetach] = anomaly(std::move(fdi));\n\t\t\t\t\tif (canSanitize) {\n\t\t\t\t\t\tfdSanitizeList.emplace_back(std::move(fdi), shouldDetach);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tint res = unshare(CLONE_NEWNS | CLONE_NEWCGROUP);\n\t\t\tif (res != 0) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] unshare: %s\", strerror(errno));\n\t\t\t\t// There's nothing we can do except returning\n\t\t\t\tclose(cfd);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tres = mount(\"rootfs\", \"/\", nullptr, MS_SLAVE | MS_REC, nullptr);\n\t\t\tif (res != 0) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] mount(rootfs, \\\"/\\\", nullptr, MS_SLAVE | MS_REC, nullptr): returned %d: %d (%s)\", res, errno, strerror(errno));\n\t\t\t\t// There's nothing we can do except returning\n\t\t\t\tclose(cfd);\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tstatic std::vector mountRules;\n\n\t\t\tif (write(cfd, &pid, sizeof(pid)) != sizeof(pid)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] write: [-> pid]: %s\", strerror(errno));\n\t\t\t\tres = FAILURE; // Fallback to unmount from zygote\n\t\t\t} else if (read(cfd, &res, sizeof(res)) != sizeof(res)) {\n\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [<- status]: %s\", strerror(errno));\n\t\t\t\tres = FAILURE; // Fallback to unmount from zygote\n\t\t\t} else if (res == FAILURE) {\n\t\t\t\tLOGW(\"#[zygisk::preSpecialize]: Companion failed, fallback to unmount in zygote process\");\n\t\t\t\tmountRules = MountRuleParser::parseMultipleRules([this]() {\n\t\t\t\t\tauto sizeOfRulesPtr = xread(cfd);\n\t\t\t\t\tif (!sizeOfRulesPtr) {\n\t\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [sizeOfRules]: %s\", strerror(errno));\n\t\t\t\t\t\treturn defaultRules;\n\t\t\t\t\t}\n\t\t\t\t\tauto sizeOfRules = *sizeOfRulesPtr;\n\t\t\t\t\tstd::vector rules(sizeOfRules, \"\");\n\t\t\t\t\tfor (int i = 0; i < sizeOfRules; ++i) {\n\t\t\t\t\t\tauto rule = xread(cfd);\n\t\t\t\t\t\tif (!rule) {\n\t\t\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize] read: [rule (at index %d)]: %s\", i, strerror(errno));\n\t\t\t\t\t\t\treturn defaultRules;\n\t\t\t\t\t\t}\n\t\t\t\t\t\trules[i] = std::move(*rule);\n\t\t\t\t\t}\n\t\t\t\t\treturn rules;\n\t\t\t\t}());\n\t\t\t}\n\n\t\t\tclose(cfd);\n\n\t\t\tif (res == FAILURE) {\n\t\t\t\tLOGW(\"#[zygisk::preSpecialize]: Companion failed, fallback to unmount in zygote process\");\n\t\t\t\tunmount(mountRules, getMountInfo()); // Unmount in current (zygote) namespace as fallback\n\t\t\t}\n\n\t\t\t// Sanitize FDs after companion communication and potential mount changes\n\t\t\tfor (auto &[fdi, shouldDetach] : fdSanitizeList) {\n\t\t\t\tLOGD(\"#[zygisk::preSpecialize]: Sanitizing FD %d (path: %s, socket: %d), detach: %d\",\n\t\t\t\t\t fdi->fd, fdi->file_path.c_str(), fdi->is_sock, shouldDetach);\n\t\t\t\tfdi->ReopenOrDetach([\n\t\t\t\t\t\t\t\t\t\t\tfd = fdi->fd,\n\t\t\t\t\t\t\t\t\t\t\tpath = fdi->file_path // Capture path by value for lambda\n\t\t\t\t\t\t\t\t\t](const std::string &error){\n\t\t\t\t\tLOGE(\"#[zygisk::preSpecialize]: Sanitize FD %d (%s): %s\", fd, path.c_str(), error.c_str());\n\t\t\t\t}, shouldDetach);\n\t\t\t}\n\t\t\treturn;\n\t\t}\n api->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n }\n\n\tvoid postSpecialize(const char *process) {\n // Unhook PLT hooks\n\t\tif (ar_unshare) {\n\t\t\tapi->pltHookRegister(rundev, runinode, \"unshare\", (void*) ar_unshare, nullptr);\n ar_unshare = nullptr; // Clear pointer\n }\n\t\tapi->pltHookCommit();\n\t\t//close(cfd);\n\t\tapi->setOption(zygisk::Option::DLCLOSE_MODULE_LIBRARY);\n\t}\n\n};\n\nstatic void NoRoot(int fd) {\n\tpid_t pid = -1, ppid = -1;\n\tstatic unsigned int successRate = 0;\n\tstatic const std::string description = [] {\n\t\tstd::ifstream f(\"/data/adb/modules/zygisk_nohello/description\");\n\t\t// This file exists only after installing/updating the module\n\t\t// It should have the default description\n\t\t// Since this is static const it's only evaluated once per boot since companion won't exit\n\t\treturn f ? ([](std::ifstream& s){ std::string l; std::getline(s, l); return l; })(f) : \"A Zygisk module to hide root.\";\n\t}();\n\tstatic PropertyManager pm(\"/data/adb/modules/zygisk_nohello/module.prop\");\n\n\tstatic const int compatbility = [] {\n\t\tif (fs::exists(\"/data/adb/modules/zygisk_shamiko\") && !fs::exists(\"/data/adb/modules/zygisk_shamiko/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\tif (fs::exists(\"/data/adb/modules/zygisk-assistant\") && !fs::exists(\"/data/adb/modules/zygisk-assistant/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\tif (fs::exists(\"/data/adb/modules/treat_wheel\") && !fs::exists(\"/data/adb/modules/treat_wheel/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\tif (fs::exists(\"/data/adb/modules/susfs4ksu\") && !fs::exists(\"/data/adb/modules/susfs4ksu/disable\"))\n\t\t\treturn MODULE_CONFLICT;\n\t\treturn NORMAL;\n\t}();\n\n\tstatic const bool doesUmountPersists = []() {\n\t\treturn fs::exists(\"/data/adb/nohello/umount_persist\") || fs::exists(\"/data/adb/nohello/umount_persists\");\n\t}();\n\n\tstatic std::vector stringRules;\n\tstatic std::vector mountRules;\n\tstatic bool evaluateOnlyOnce = false;\n\n\tif (!evaluateOnlyOnce) {\n\t\tstringRules = []() {\n\t\t\tstd::vector rules;\n\t\t\tstd::ifstream f(\"/data/adb/nohello/umount\");\n\t\t\tif (f && f.is_open()) {\n\t\t\t\tstd::string line;\n\t\t\t\twhile (std::getline(f, line)) {\n\t\t\t\t\tif (!line.empty() && line[0] != '#')\n\t\t\t\t\t\trules.push_back(line);\n\t\t\t\t}\n\t\t\t\tf.close();\n\t\t\t} else {\n\t\t\t\trules = defaultRules;\n\t\t\t\tstd::ofstream redef(\"/data/adb/nohello/umount\");\n\t\t\t\tif (redef && redef.is_open()) {\n\t\t\t\t\tfor (const auto &rule: rules)\n\t\t\t\t\t\tredef << rule << std::endl;\n\t\t\t\t\tf.close();\n\t\t\t\t} else\n\t\t\t\t\tLOGE(\"Unable to create `/data/adb/nohello/umount`\");\n\t\t\t}\n\t\t\treturn rules;\n\t\t}();\n\t\tmountRules = MountRuleParser::parseMultipleRules(stringRules);\n\t\tif (doesUmountPersists)\n\t\t\tevaluateOnlyOnce = true;\n\t}\n\n\tif (read(fd, &ppid, sizeof(ppid)) != sizeof(ppid)) {\n\t\tLOGE(\"#[ps::Companion] Failed to read PPID: %s\", strerror(errno));\n\t\tclose(fd);\n\t\treturn;\n\t}\n\n\tstatic const pid_t clrMsgZygote = [ppid]() -> pid_t {\n\t\tif (fs::exists(\"/data/adb/nohello/no_clr_ptracemsg\"))\n\t\t\t// Apply the fix only by user's choice\n\t\t\treturn ppid;\n\t\tif (getKernelVersion() >= KERNEL_VERSION(6, 1, 0))\n\t\t\t// The issue was fixed in 6.1+\n\t\t\t// https://marc.info/?l=linux-arch&m=164124554311501&w=2\n\t\t\treturn ppid;\n\t\t// Re-work this to avoid issues with bootloops\n\t\t// https://github.com/PerformanC/ReZygisk/issues/171\n\t\tif (ptrace(PTRACE_ATTACH, ppid, nullptr, nullptr) == -1) {\n\t\t\tLOGE(\"#[ps::Companion] ptrace(PTRACE_ATTACH, %d, nullptr, nullptr): %s\", ppid,\n\t\t\t\t strerror(errno));\n\t\t\treturn -1;\n\t\t}\n\t\twaitpid(ppid, nullptr, 0);\n\t\tif (ptrace(PTRACE_SYSCALL, ppid, nullptr, nullptr) == -1) {\n\t\t\tLOGE(\"#[ps::Companion] ptrace(PTRACE_SYSCALL, %d, nullptr, nullptr): %s\", ppid, strerror(errno));\n\t\t\tptrace(PTRACE_DETACH, ppid, nullptr, nullptr);\n\t\t\treturn -1;\n\t\t}\n\t\twaitpid(ppid, nullptr, 0);\n\t\tptrace(PTRACE_DETACH, ppid, nullptr, nullptr);\n\t\tLOGD(\"#[ps::Companion] Cleared ptrace_message for zygote(%d)\", ppid);\n\t\treturn ppid;\n\t}();\n\n\tint result = compatbility;\n\tif (result == MODULE_CONFLICT) {\n\t\tpm.setProp(\"description\", \"[\" + emoji::emojize(\":warning: \") + \"Conflicting modules] \" + description);\n\t\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\t}\n\t\tclose(fd);\n\t\treturn;\n\t} else {\n\t\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\t\tclose(fd);\n\t\t\treturn;\n\t\t}\n\t}\n\n\tif (read(fd, &pid, sizeof(pid)) != sizeof(pid)) {\n LOGE(\"#[ps::Companion] Failed to read PID: %s\", strerror(errno));\n\t\tclose(fd);\n\t\treturn;\n\t}\n\n\tresult = forkcall(\n\t\t[pid]()\n\t\t{\n\t\t\tint res = nscg2(pid);\n\t\t\tif (!res) { // switchnsto returns true on success (0 from setns)\n\t\t\t\tLOGE(\"#[ps::Companion] Switch namespaces failed for PID %d: %s\", pid, strerror(errno));\n\t\t\t\treturn FAILURE;\n\t\t\t}\n\t\t\tauto mounts = getMountInfo();\n\t\t\tunmount(mountRules, mounts);\n\t\t\tremount(mounts);\n\t\t\treturn SUCCESS;\n\t\t}\n\t);\n\n\tif (result == SUCCESS) {\n\t\tsuccessRate++;\n\t\tpm.setProp(\"description\", \"[\" + emoji::emojize(\":yum: \") + \"Nohello unmounted \" +\n\t\t\t\t\t\t\t\t std::to_string(successRate) + \" time(s)] \" + description);\n\t} else if (result == FAILURE) {\n\t\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\t\tclose(fd);\n\t\t\treturn;\n\t\t}\n\t\tif (xwrite(fd, stringRules.size())) {\n\t\t\tfor (int i = 0; i < stringRules.size(); ++i) {\n\t\t\t\tif (!xwrite(fd, stringRules[i])) {\n\t\t\t\t\tLOGE(\"#[ps::Companion] write: [rule (at index %d)]: %s\", i, strerror(errno));\n\t\t\t\t\tclose(fd);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tLOGE(\"#[ps::Companion] write: [stringRules.size()]: %s\", strerror(errno));\n\t\t\tclose(fd);\n\t\t\treturn;\n\t\t}\n\t\tclose(fd);\n\t\treturn;\n\t}\n\tif (write(fd, &result, sizeof(result)) != sizeof(result)) {\n\t\tLOGE(\"#[ps::Companion] Failed to write result: %s\", strerror(errno));\n\t\tclose(fd);\n\t\treturn;\n\t}\n\tclose(fd);\n}\n\n// Register our module class and the companion handler function\nREGISTER_ZYGISK_MODULE(NoHello)\nREGISTER_ZYGISK_COMPANION(NoRoot)\n"], ["/NoHello/module/src/main/cpp/MountRuleParser.cpp", "#include \n#include \n#include \n#include \n#include \n#include \n#include \"log.h\"\n\nclass MountRuleParser {\npublic:\n\tstruct MountRule {\n\t\tstd::vector rootSubstrs;\n\t\tstd::vector mountPointSubstrs;\n\t\tstd::unordered_set fsTypes;\n\t\tstd::vector sources; // changed from unordered_set to vector for wildcard matching\n\n\t\texplicit operator bool() const {\n\t\t\treturn !(rootSubstrs.empty() && mountPointSubstrs.empty() && fsTypes.empty() && sources.empty());\n\t\t}\n\n\t\tbool matches(const std::string& root, const std::string& mountPoint,\n\t\t\t\t\t const std::string& fsType, const std::string& source) const {\n\t\t\treturn matchList(rootSubstrs, root) &&\n\t\t\t\t matchList(mountPointSubstrs, mountPoint) &&\n\t\t\t\t (fsTypes.empty() || fsTypes.count(fsType) > 0) &&\n\t\t\t\t matchSourceList(sources, source);\n\t\t}\n\n\t\tbool matches(const std::vector& roots, const std::string& mountPoint,\n\t\t\t\t\t const std::string& fsType, const std::string& source) const {\n\t\t\tif (!matchList(mountPointSubstrs, mountPoint) ||\n\t\t\t\t(!fsTypes.empty() && fsTypes.count(fsType) == 0) ||\n\t\t\t\t!matchSourceList(sources, source)) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t\tfor (const auto& root : roots) {\n\t\t\t\tif (matchList(rootSubstrs, root)) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn false;\n\t\t}\n\n\n\tprivate:\n\t\tstatic bool match_with_wildcard(const std::string& value, const std::string& rawPattern) {\n\t\t\tstd::string pattern;\n\t\t\tstd::vector isEscaped;\n\n\t\t\tfor (size_t i = 0; i < rawPattern.size(); ++i) {\n\t\t\t\tif (rawPattern[i] == '\\\\' && i + 1 < rawPattern.size()) {\n\t\t\t\t\t++i;\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(true);\n\t\t\t\t} else {\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(false);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tbool startsWithWildcard = !pattern.empty() && pattern.front() == '*' && !isEscaped[0];\n\t\t\tbool endsWithWildcard = !pattern.empty() &&\n\t\t\t\t\t\t\t\t\tpattern.back() == '*' &&\n\t\t\t\t\t\t\t\t\t!isEscaped[pattern.size() - 1];\n\n\t\t\tif (startsWithWildcard && endsWithWildcard && pattern.size() > 2) {\n\t\t\t\treturn value.find(pattern.substr(1, pattern.size() - 2)) != std::string::npos;\n\t\t\t} else if (startsWithWildcard) {\n\t\t\t\tstd::string suffix = pattern.substr(1);\n\t\t\t\treturn value.size() >= suffix.size() &&\n\t\t\t\t\t value.compare(value.size() - suffix.size(), suffix.size(), suffix) == 0;\n\t\t\t} else if (endsWithWildcard) {\n\t\t\t\tstd::string prefix = pattern.substr(0, pattern.size() - 1);\n\t\t\t\treturn value.compare(0, prefix.size(), prefix) == 0;\n\t\t\t} else {\n\t\t\t\treturn value == pattern;\n\t\t\t}\n\t\t}\n\n\t\tstatic bool match_source_pattern(const std::string& value, const std::string& rawPattern) {\n\t\t\tstd::string pattern;\n\t\t\tstd::vector isEscaped;\n\n\t\t\tfor (size_t i = 0; i < rawPattern.size(); ++i) {\n\t\t\t\tif (rawPattern[i] == '\\\\' && i + 1 < rawPattern.size()) {\n\t\t\t\t\t++i;\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(true);\n\t\t\t\t} else {\n\t\t\t\t\tpattern += rawPattern[i];\n\t\t\t\t\tisEscaped.push_back(false);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tbool startsWithWildcard = !pattern.empty() && pattern.front() == '*' && !isEscaped[0];\n\t\t\tbool endsWithWildcard = !pattern.empty() &&\n\t\t\t\t\t\t\t\t\tpattern.back() == '*' &&\n\t\t\t\t\t\t\t\t\t!isEscaped[pattern.size() - 1];\n\n\t\t\tif (startsWithWildcard && endsWithWildcard && pattern.size() > 2) {\n\t\t\t\treturn value.find(pattern.substr(1, pattern.size() - 2)) != std::string::npos;\n\t\t\t} else if (startsWithWildcard) {\n\t\t\t\tstd::string suffix = pattern.substr(1);\n\t\t\t\treturn value.size() >= suffix.size() &&\n\t\t\t\t\t value.compare(value.size() - suffix.size(), suffix.size(), suffix) == 0;\n\t\t\t} else if (endsWithWildcard) {\n\t\t\t\tstd::string prefix = pattern.substr(0, pattern.size() - 1);\n\t\t\t\treturn value.compare(0, prefix.size(), prefix) == 0;\n\t\t\t} else {\n\t\t\t\treturn value == pattern;\n\t\t\t}\n\t\t}\n\n\t\tstatic bool matchList(const std::vector& patterns, const std::string& value) {\n\t\t\tif (patterns.empty()) return true;\n\t\t\treturn std::any_of(patterns.begin(), patterns.end(),\n\t\t\t\t\t\t\t [&](const std::string& p) { return match_with_wildcard(value, p); });\n\t\t}\n\n\t\tstatic bool matchSourceList(const std::vector& patterns, const std::string& value) {\n\t\t\tif (patterns.empty()) return true;\n\t\t\treturn std::any_of(patterns.begin(), patterns.end(),\n\t\t\t\t\t\t\t [&](const std::string& p) { return match_source_pattern(value, p); });\n\t\t}\n\t};\n\n\t// Not necessary anymore\n\tstruct MountEntry {\n\t\tstd::string root;\n\t\tstd::string mountPoint;\n\t\tstd::string fsType;\n\t\tstd::string mountSource;\n\t};\n\n\t// Used previously for testing its effectiveness\n\tstatic MountEntry parseMountinfo(const std::string& line) {\n\t\tstd::istringstream iss(line);\n\t\tstd::vector tokens;\n\t\tstd::string token;\n\n\t\twhile (iss >> token) tokens.push_back(token);\n\n\t\tauto sep = std::find(tokens.begin(), tokens.end(), \"-\");\n\t\tif (sep == tokens.end() || std::distance(tokens.begin(), sep) < 6) {\n\t\t\tLOGE(\"[MountRuleParser::parseMultipleRules]: Malformed mountinfo line\");\n\t\t\treturn {};\n\t\t}\n\n\t\tMountEntry entry;\n\t\tentry.root = tokens[3];\n\t\tentry.mountPoint = tokens[4];\n\t\tentry.fsType = *(sep + 1);\n\t\tentry.mountSource = *(sep + 2);\n\t\treturn entry;\n\t}\n\n\tstatic MountRule parseRuleString(const std::string& ruleText) {\n\t\tif (!validateSyntax(ruleText)) {\n\t\t\treturn {};\n\t\t}\n\n\t\tMountRule rule;\n\t\tauto tokens = tokenizePreserveQuotes(ruleText);\n\n\t\tenum Section { NONE, ROOT, POINT, FILESYSTEM, SOURCE } current = NONE;\n\t\tenum State { WRITING, IDLE } state = IDLE;\n\n\t\tfor (std::string& word : tokens) {\n\t\t\tif (state == IDLE) {\n\t\t\t\tif (current == NONE) {\n\t\t\t\t\tif (word == \"root\") current = ROOT;\n\t\t\t\t\telse if (word == \"point\") current = POINT;\n\t\t\t\t\telse if (word == \"fs\") current = FILESYSTEM;\n\t\t\t\t\telse if (word == \"source\") current = SOURCE;\n\t\t\t\t} else if (word == \"{\") {\n\t\t\t\t\tstate = WRITING;\n\t\t\t\t}\n\t\t\t} else if (state == WRITING && word == \"}\") {\n\t\t\t\tcurrent = NONE;\n\t\t\t\tstate = IDLE;\n\t\t\t} else {\n\t\t\t\tif ((word.front() == '\"' && word.back() == '\"') ||\n\t\t\t\t\t(word.front() == '\\'' && word.back() == '\\'')) {\n\t\t\t\t\tword = word.substr(1, word.size() - 2);\n\t\t\t\t}\n\n\t\t\t\tswitch (current) {\n\t\t\t\t\tcase ROOT:\n\t\t\t\t\t\trule.rootSubstrs.push_back(word);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase POINT:\n\t\t\t\t\t\trule.mountPointSubstrs.push_back(word);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase FILESYSTEM:\n\t\t\t\t\t\trule.fsTypes.insert(word);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase SOURCE:\n\t\t\t\t\t\trule.sources.push_back(word); // changed from insert() to push_back()\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn rule;\n\t}\n\n\tstatic std::vector parseMultipleRules(const std::vector& ruleTexts) {\n\t\tstd::vector rules;\n\t\tfor (const auto& text : ruleTexts) {\n\t\t\tMountRule rule = parseRuleString(text);\n\t\t\tif (rule) {\n\t\t\t\trules.push_back(rule);\n\t\t\t} else {\n\t\t\t\tLOGE(\"[MountRuleParser::parseMultipleRules]: Failed to parse rule: `%s`\", text.c_str());\n\t\t\t}\n\t\t}\n\t\treturn rules;\n\t}\n\nprivate:\n\tstatic bool validateSyntax(const std::string& text) {\n\t\tint braceCount = 0;\n\t\tbool inDoubleQuotes = false, inSingleQuotes = false;\n\n\t\tfor (size_t i = 0; i < text.size(); ++i) {\n\t\t\tchar ch = text[i];\n\t\t\tif (ch == '\"' && !inSingleQuotes && (i == 0 || text[i - 1] != '\\\\'))\n\t\t\t\tinDoubleQuotes = !inDoubleQuotes;\n\t\t\telse if (ch == '\\'' && !inDoubleQuotes && (i == 0 || text[i - 1] != '\\\\'))\n\t\t\t\tinSingleQuotes = !inSingleQuotes;\n\n\t\t\tif (!inDoubleQuotes && !inSingleQuotes) {\n\t\t\t\tif (ch == '{') ++braceCount;\n\t\t\t\telse if (ch == '}') {\n\t\t\t\t\t--braceCount;\n\t\t\t\t\tif (braceCount < 0) return false;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn braceCount == 0 && !inDoubleQuotes && !inSingleQuotes;\n\t}\n\n\tstatic std::vector tokenizePreserveQuotes(const std::string& text) {\n\t\tstd::vector tokens;\n\t\tstd::string current;\n\t\tbool inQuotes = false;\n\t\tchar quoteChar = '\\0';\n\n\t\tfor (size_t i = 0; i < text.length(); ++i) {\n\t\t\tchar c = text[i];\n\n\t\t\tif ((c == '\"' || c == '\\'') && (i == 0 || text[i - 1] != '\\\\')) {\n\t\t\t\tif (!inQuotes) {\n\t\t\t\t\tinQuotes = true;\n\t\t\t\t\tquoteChar = c;\n\t\t\t\t\tcurrent += c;\n\t\t\t\t} else if (c == quoteChar) {\n\t\t\t\t\tinQuotes = false;\n\t\t\t\t\tcurrent += c;\n\t\t\t\t\ttokens.push_back(current);\n\t\t\t\t\tcurrent.clear();\n\t\t\t\t} else {\n\t\t\t\t\tcurrent += c;\n\t\t\t\t}\n\t\t\t} else if (std::isspace(c) && !inQuotes) {\n\t\t\t\tif (!current.empty()) {\n\t\t\t\t\ttokens.push_back(current);\n\t\t\t\t\tcurrent.clear();\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tcurrent += c;\n\t\t\t}\n\t\t}\n\n\t\tif (!current.empty()) tokens.push_back(current);\n\t\treturn tokens;\n\t}\n};\n"], ["/NoHello/module/src/main/cpp/utils.cpp", "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \"log.h\"\n\nstd::pair devinobymap(const std::string& lib, bool useFind = false, unsigned int *ln = nullptr) {\n\tstd::ifstream maps(\"/proc/self/maps\");\n\tunsigned int index = 0;\n\tstd::string line;\n\tstd::string needle = \"/\" + lib;\n\twhile (std::getline(maps, line)) {\n\t\tif (ln && index < *ln) {\n\t\t\tindex++;\n\t\t\tcontinue;\n\t\t}\n\t\tif (line.size() >= needle.size() && ((useFind && line.find(needle) != std::string::npos) ||\n\t\t\tline.compare(line.size() - needle.size(), needle.size(), needle) == 0)) {\n\t\t\tstd::istringstream iss(line);\n\t\t\tstd::string addr, perms, offset, dev, inode_str;\n\t\t\tiss >> addr >> perms >> offset >> dev >> inode_str;\n\t\t\tstd::istringstream devsplit(dev);\n\t\t\tstd::string major_hex, minor_hex;\n\t\t\tif (std::getline(devsplit, major_hex, ':') &&\n\t\t\t\tstd::getline(devsplit, minor_hex)) {\n\t\t\t\tint major = std::stoi(major_hex, nullptr, 16);\n\t\t\t\tint minor = std::stoi(minor_hex, nullptr, 16);\n\t\t\t\tdev_t devnum = makedev(major, minor);\n\t\t\t\tino_t inode = std::stoul(inode_str);\n\t\t\t\tif (ln)\n\t\t\t\t\t*ln = index;\n\t\t\t\treturn {devnum, inode};\n\t\t\t}\n\t\t}\n\t\tindex++;\n\t}\n\tif (ln)\n\t\t*ln = -1;\n\treturn {dev_t(0), ino_t(0)};\n}\n\nstd::optional> devinoby(const char* lib) {\n\tstruct State {\n\t\tconst char* needle;\n\t\tstd::optional> result;\n\t} state = { lib };\n\n\tdl_iterate_phdr([](struct dl_phdr_info* info, size_t, void* data) -> int {\n\t\tauto* s = static_cast(data);\n\t\tif (info->dlpi_name && strstr(info->dlpi_name, s->needle)) {\n\t\t\tstruct stat st{};\n\t\t\tif (stat(info->dlpi_name, &st) == 0) {\n\t\t\t\ts->result = std::make_pair(st.st_dev, st.st_ino);\n\t\t\t\treturn 1; // Stop iteration\n\t\t\t}\n\t\t}\n\t\treturn 0; // Continue\n\t}, &state);\n\n\treturn state.result;\n}\n\nstd::optional> robaseby(dev_t dev, ino_t ino) {\n\tstruct State {\n\t\tdev_t dev;\n\t\tino_t ino;\n\t\tstd::optional> result;\n\t} state = { dev, ino };\n\n\tdl_iterate_phdr([](struct dl_phdr_info* info, size_t, void* data) -> int {\n\t\tauto* s = static_cast(data);\n\n\t\tstruct stat st{};\n\t\tif (stat(info->dlpi_name, &st) != 0)\n\t\t\treturn 0;\n\n\t\tif (st.st_dev != s->dev || st.st_ino != s->ino)\n\t\t\treturn 0;\n\n\t\tfor (int i = 0; i < info->dlpi_phnum; ++i) {\n\t\t\tconst auto& phdr = info->dlpi_phdr[i];\n\t\t\tif (phdr.p_type == PT_LOAD &&\n\t\t\t\t(phdr.p_flags & PF_R) &&\n\t\t\t\t!(phdr.p_flags & PF_X)) // r--p only\n\t\t\t{\n\t\t\t\tuintptr_t base = info->dlpi_addr + phdr.p_vaddr;\n\t\t\t\tsize_t size = phdr.p_memsz;\n\t\t\t\ts->result = std::make_pair(reinterpret_cast(base), size);\n\t\t\t\treturn 1; // Stop searching\n\t\t\t}\n\t\t}\n\n\t\treturn 0;\n\t}, &state);\n\n\treturn state.result;\n}\n\nint forkcall(const std::function &lambda)\n{\n\tpid_t pid = fork();\n\tif (pid == -1)\n\t\treturn -1;\n\tif (pid == 0) {\n\t\texit(lambda());\n\t} else {\n\t\tint status = -1;\n\t\twaitpid(pid, &status, 0);\n\t\tif (WIFEXITED(status)) {\n\t\t\treturn WEXITSTATUS(status);\n\t\t}\n\t}\n\treturn -1;\n}\n\nstatic inline int seccomp(int op, int fd, void *arg) {\n\treturn syscall(SYS_seccomp, op, fd, arg);\n}\n\nstatic int pidfd_open(pid_t pid, unsigned int flags)\n{\n\treturn syscall(SYS_pidfd_open, pid, flags);\n}\n\nstatic ssize_t process_vm_readv(pid_t pid,\n\t\t\t\t\t\t\t\t const struct iovec *local_iov,\n\t\t\t\t\t\t\t\t unsigned long liovcnt,\n\t\t\t\t\t\t\t\t const struct iovec *remote_iov,\n\t\t\t\t\t\t\t\t unsigned long riovcnt,\n\t\t\t\t\t\t\t\t unsigned long flags)\n{\n\treturn syscall(SYS_process_vm_readv, pid, local_iov, liovcnt, remote_iov, riovcnt, flags);\n}\n\nstatic ssize_t process_vm_writev(pid_t pid,\n\t\t\t\t\t\t\t\t const struct iovec *local_iov,\n\t\t\t\t\t\t\t\t unsigned long liovcnt,\n\t\t\t\t\t\t\t\t const struct iovec *remote_iov,\n\t\t\t\t\t\t\t\t unsigned long riovcnt,\n\t\t\t\t\t\t\t\t unsigned long flags)\n{\n\treturn syscall(SYS_process_vm_writev, pid, local_iov, liovcnt, remote_iov, riovcnt, flags);\n}\n\nbool nscg2(pid_t pid) {\n int pidfd = pidfd_open(pid, 0);\n if (pidfd != -1) {\n \t// https://man7.org/linux/man-pages/man2/setns.2.html\n int res = setns(pidfd, CLONE_NEWNS | CLONE_NEWCGROUP);\n close(pidfd);\n if (res) {\n LOGE(\"setns(pidfd_open(%d, 0) -> %d (closed), 0): %s\", pid, pidfd, strerror(errno));\n goto fallback;\n }\n return true;\n } else {\n LOGE(\"pidfd_open(%d): %s\", pid, strerror(errno));\n }\nfallback:\n {\n std::string mntPath = \"/proc/\" + std::to_string(pid) + \"/ns/mnt\";\n int mntfd_fallback = open(mntPath.c_str(), O_RDONLY);\n if (mntfd_fallback != -1) {\n int res = setns(mntfd_fallback, CLONE_NEWNS);\n if (res) {\n LOGE(\"setns(open(\\\"%s\\\") -> %d, CLONE_NEWNS): %s\", mntPath.c_str(), mntfd_fallback, strerror(errno));\n close(mntfd_fallback);\n return false;\n }\n close(mntfd_fallback);\n } else {\n LOGE(\"open(\\\"%s\\\"): %s\", mntPath.c_str(), strerror(errno));\n return false;\n }\n }\n {\n std::string cgPath = \"/proc/\" + std::to_string(pid) + \"/ns/cgroup\";\n int cgfd_fallback = open(cgPath.c_str(), O_RDONLY);\n if (cgfd_fallback != -1) {\n int res = setns(cgfd_fallback, CLONE_NEWCGROUP);\n if (res) {\n LOGE(\"setns(open(\\\"%s\\\") -> %d, CLONE_NEWCGROUP): %s\", cgPath.c_str(), cgfd_fallback, strerror(errno));\n close(cgfd_fallback);\n return false;\n }\n close(cgfd_fallback);\n } else {\n LOGE(\"open(\\\"%s\\\"): %s\", cgPath.c_str(), strerror(errno));\n return false;\n }\n }\n return true;\n}\n\n\nbool isuserapp(int uid) {\n\tint appid = uid % AID_USER_OFFSET;\n\tif (appid >= AID_APP_START && appid <= AID_APP_END)\n\t\treturn true;\n\tif (appid >= AID_ISOLATED_START && appid <= AID_ISOLATED_END)\n\t\treturn true;\n\treturn false;\n}\n\nstatic int sendfd(int sockfd, int fd) {\n\tint data;\n\tstruct iovec iov{};\n\tstruct msghdr msgh{};\n\tstruct cmsghdr *cmsgp;\n\n\t/* Allocate a char array of suitable size to hold the ancillary data.\n\t However, since this buffer is in reality a 'struct cmsghdr', use a\n\t union to ensure that it is suitably aligned. */\n\tunion {\n\t\tchar buf[CMSG_SPACE(sizeof(int))];\n\t\t/* Space large enough to hold an 'int' */\n\t\tstruct cmsghdr align;\n\t} controlMsg{};\n\n\t/* The 'msg_name' field can be used to specify the address of the\n\t destination socket when sending a datagram. However, we do not\n\t need to use this field because 'sockfd' is a connected socket. */\n\n\tmsgh.msg_name = nullptr;\n\tmsgh.msg_namelen = 0;\n\n\t/* On Linux, we must transmit at least one byte of real data in\n\t order to send ancillary data. We transmit an arbitrary integer\n\t whose value is ignored by recvfd(). */\n\n\tmsgh.msg_iov = &iov;\n\tmsgh.msg_iovlen = 1;\n\tiov.iov_base = &data;\n\tiov.iov_len = sizeof(int);\n\tdata = 12345;\n\n\t/* Set 'msghdr' fields that describe ancillary data */\n\n\tmsgh.msg_control = controlMsg.buf;\n\tmsgh.msg_controllen = sizeof(controlMsg.buf);\n\n\t/* Set up ancillary data describing file descriptor to send */\n\n\tcmsgp = reinterpret_cast(msgh.msg_control);\n\tcmsgp->cmsg_level = SOL_SOCKET;\n\tcmsgp->cmsg_type = SCM_RIGHTS;\n\tcmsgp->cmsg_len = CMSG_LEN(sizeof(int));\n\tmemcpy(CMSG_DATA(cmsgp), &fd, sizeof(int));\n\n\t/* Send real plus ancillary data */\n\n\tif (sendmsg(sockfd, &msgh, 0) == -1) return -1;\n\n\treturn 0;\n}\n\nstatic int recvfd(int sockfd) {\n\tint data, fd;\n\tssize_t nr;\n\tstruct iovec iov{};\n\tstruct msghdr msgh{};\n\n\t/* Allocate a char buffer for the ancillary data. See the comments\n\t in sendfd() */\n\tunion {\n\t\tchar buf[CMSG_SPACE(sizeof(int))];\n\t\tstruct cmsghdr align;\n\t} controlMsg{};\n\tstruct cmsghdr *cmsgp;\n\n\t/* The 'msg_name' field can be used to obtain the address of the\n\t sending socket. However, we do not need this information. */\n\n\tmsgh.msg_name = nullptr;\n\tmsgh.msg_namelen = 0;\n\n\t/* Specify buffer for receiving real data */\n\n\tmsgh.msg_iov = &iov;\n\tmsgh.msg_iovlen = 1;\n\tiov.iov_base = &data; /* Real data is an 'int' */\n\tiov.iov_len = sizeof(int);\n\n\t/* Set 'msghdr' fields that describe ancillary data */\n\n\tmsgh.msg_control = controlMsg.buf;\n\tmsgh.msg_controllen = sizeof(controlMsg.buf);\n\n\t/* Receive real plus ancillary data; real data is ignored */\n\n\tnr = recvmsg(sockfd, &msgh, 0);\n\tif (nr == -1) return -1;\n\n\tcmsgp = CMSG_FIRSTHDR(&msgh);\n\n\t/* Check the validity of the 'cmsghdr' */\n\n\tif (cmsgp == nullptr || cmsgp->cmsg_len != CMSG_LEN(sizeof(int)) ||\n\t\tcmsgp->cmsg_level != SOL_SOCKET || cmsgp->cmsg_type != SCM_RIGHTS) {\n\t\terrno = EINVAL;\n\t\treturn -1;\n\t}\n\n\t/* Return the received file descriptor to our caller */\n\n\tmemcpy(&fd, CMSG_DATA(cmsgp), sizeof(int));\n\treturn fd;\n}\n\nstatic int getKernelVersion() {\n\tstruct utsname un{};\n\tif (uname(&un) != 0) {\n\t\treturn 0;\n\t}\n\tint kmaj = 0, kmin = 0, kpatch = 0;\n\tsscanf(un.release, \"%d.%d.%d\", &kmaj, &kmin, &kpatch);\n\treturn KERNEL_VERSION(kmaj, kmin, kpatch);\n}\n\ntemplate \nbool xwrite(int fd, const T& data) {\n\tuint64_t size = sizeof(T);\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tif (write(fd, data.data(), size) != static_cast(size)) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\ntemplate<>\nbool xwrite(int fd, const std::string& data) {\n\tuint64_t size = data.size();\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tif (write(fd, data.data(), size) != static_cast(size)) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\nbool xwrite(int fd, const char* data) {\n\tif (!data) return false;\n\treturn xwrite(fd, std::string(data));\n}\n\ntemplate <>\nbool xwrite(int fd, const bool& data) {\n\tuint64_t size = sizeof(bool);\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tuint8_t byteData = data ? 1 : 0;\n\tif (write(fd, &byteData, sizeof(byteData)) != sizeof(byteData)) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\ntemplate <>\nbool xwrite(int fd, const uintptr_t& data) {\n\tuint64_t size = sizeof(uintptr_t);\n\tif (write(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn false;\n\t}\n\tif (write(fd, &data, size) != size) {\n\t\treturn false;\n\t}\n\treturn true;\n}\n\ntemplate \nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tif (size != sizeof(T)) {\n\t\treturn nullptr;\n\t}\n\tauto data = std::make_unique();\n\tif (read(fd, data.get(), size) != static_cast(size)) {\n\t\treturn nullptr;\n\t}\n\treturn data;\n}\n\ntemplate<>\nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tauto data = std::make_unique(size, '\\0');\n\tif (read(fd, data->data(), size) != static_cast(size)) {\n\t\treturn nullptr;\n\t}\n\treturn data;\n}\n\ntemplate <>\nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tif (size != sizeof(bool)) {\n\t\treturn nullptr;\n\t}\n\tuint8_t byteData = 0;\n\tif (read(fd, &byteData, sizeof(byteData)) != sizeof(byteData)) {\n\t\treturn nullptr;\n\t}\n\treturn std::make_unique(byteData != 0);\n}\n\ntemplate <>\nstd::unique_ptr xread(int fd) {\n\tuint64_t size = 0;\n\tif (read(fd, &size, sizeof(size)) != sizeof(size)) {\n\t\treturn nullptr;\n\t}\n\tif (size != sizeof(uintptr_t)) {\n\t\treturn nullptr;\n\t}\n\tuintptr_t data = 0;\n\tif (read(fd, &data, size) != size) {\n\t\treturn nullptr;\n\t}\n\treturn std::make_unique(data);\n}\n"], ["/NoHello/module/src/main/cpp/PropertyManager.h", "class PropertyManager {\n public:\n explicit PropertyManager(std::string path) {\n\tloadFromFile();\n}\n std::string getProp(const std::string& key, const std::string& defaultValue = \"\") {\n\tauto it = keyIndex.find(key);\n\treturn it != keyIndex.end() ? orderedProps[it->second].second : defaultValue;\n}\n void setProp(const std::string& key, const std::string& value) {\n\tauto it = keyIndex.find(key);\n\tif (it != keyIndex.end()) {\n\t\t// Update existing\n\t\torderedProps[it->second].second = value;\n\t} else {\n\t\t// Append new\n\t\tsize_t idx = orderedProps.size();\n\t\torderedProps.emplace_back(key, value);\n\t\tkeyIndex[key] = idx;\n\t}\n\n\tsaveToFile();\n}\n private:\n std::string filePath;\n std::vector> orderedProps;\n std::unordered_map keyIndex;\n bool loadFromFile() {\n\torderedProps.clear();\n\tkeyIndex.clear();\n\n\tstd::ifstream file(filePath);\n\tif (!file.is_open()) {\n\t\tLOGW(\"PropertyManager: Could not open %s for loading.\", filePath.c_str());\n\t\treturn false;\n\t}\n\n\tstd::string line;\n\twhile (std::getline(file, line)) {\n\t\tif (line.empty() || line[0] == '#')\n\t\t\tcontinue;\n\n\t\tauto pos = line.find('=');\n\t\tif (pos == std::string::npos)\n\t\t\tcontinue;\n\n\t\tstd::string key = line.substr(0, pos);\n\t\tstd::string val = line.substr(pos + 1);\n\n\t\tsize_t idx = orderedProps.size();\n\t\torderedProps.emplace_back(key, val);\n\t\tkeyIndex[key] = idx;\n\t}\n\n\tfile.close();\n\treturn true;\n}\n bool saveToFile() {\n\tstd::ofstream file(filePath, std::ios::trunc);\n\tif (!file.is_open()) {\n\t\tLOGE(\"PropertyManager: Could not open %s for saving.\", filePath.c_str());\n\t\treturn false;\n\t}\n\n\tfor (const auto& [key, value] : orderedProps) {\n\t\tfile << key << \"=\" << value << '\\n';\n\t}\n\n\tfile.close();\n\treturn true;\n}\n};"], ["/NoHello/module/src/main/cpp/log.h", "\n#pragma once\n\n#ifndef NOHELLO_LOG_H\n#define NOHELLO_LOG_H\n\n#ifdef DEBUG_BUILD\n#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, \"NoHello\", __VA_ARGS__)\n#else\n#define LOGD(...) ((void) 0)\n#endif\n\n#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, \"NoHello\", __VA_ARGS__)\n#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, \"NoHello\", __VA_ARGS__)\n#define LOGW(...) __android_log_print(ANDROID_LOG_WARN, \"NoHello\", __VA_ARGS__)\n#define LOGF(...) __android_log_print(ANDROID_LOG_FATAL, \"NoHello\", __VA_ARGS__)\n\n#endif //NOHELLO_LOG_H\n"]], "task_instance_info": {"created_time": "2025-08-20 19:48:54", "created_task_model": "DeepSeek-R1", "function_skeleton": "explicit MountInfo(const std::string& line) {}", "code_description": "This code segment functions to: Process a structured text entry by tokenizing components, extract numerical identifiers and device information, populate object properties with parsed values including access flags and system paths, and organize hierarchical relationships between mount points based on positional elements in the input data."}, "inference_content": {"inference_model": "DeepSeek-R1", "inference_result": "```cpp\n[TASK_BEGIN]\nexplicit MountInfo(const std::string& line) {\n std::istringstream iss(line);\n std::vector tokens;\n std::string token;\n while (iss >> token) {\n tokens.push_back(token);\n }\n\n if (tokens.size() < 9) {\n return;\n }\n\n mnt_id = std::stoi(tokens[0]);\n mnt_parent_id = std::stoi(tokens[1]);\n parseMajorMinor(tokens[2]);\n root = tokens[3];\n mnt_pnt = tokens[4];\n\n size_t sep = 0;\n for (size_t i = 5; i < tokens.size(); ++i) {\n if (tokens[i] == \"-\") {\n sep = i;\n break;\n }\n }\n\n if (sep == 0 || sep + 3 >= tokens.size()) {\n return;\n }\n\n parseFlags(tokens[5]);\n\n for (size_t i = 6; i < sep; ++i) {\n parsePropagation(tokens[i]);\n }\n\n fs_type = tokens[sep + 1];\n mnt_src = tokens[sep + 2];\n parseOptions(tokens[sep + 3]);\n}\n[TASK_END]\n```", "inference_time": "2025-08-20 19-51-26"}, "editdistance_info": {"edit_distance": 32.2835, "calculate_time": "2025-08-20 19:51:26", "true_code_clean": "explicit MountInfo(const std::string& line) {\n\t\tstd::istringstream ss(line);\n\t\tstd::vector parts;\n\t\tstd::string token;\n\t\twhile (ss >> token)\n\t\t\tparts.push_back(token);\n\t\tauto it = std::find(parts.begin(), parts.end(), std::string(\"-\"));\n\t\tif (it == parts.end() || std::distance(parts.begin(), it) < 6)\n\t\t\treturn;\n\t\tsize_t sep_idx = std::distance(parts.begin(), it);\n\t\tmnt_id = std::stoi(parts[0]);\n\t\tmnt_parent_id = std::stoi(parts[1]);\n\t\tparseMajorMinor(parts[2]);\n\t\troot = parts[3];\n\t\tmnt_pnt = parts[4];\n\t\tparseFlags(parts[5]);\n\t\tfor (size_t i = 6; i < sep_idx; ++i)\n\t\t\tparsePropagation(parts[i]);\n\t\tfs_type = parts[sep_idx + 1];\n\t\tmnt_src = parts[sep_idx + 2];\n\t\tparseOptions(parts[sep_idx + 3]);\n\t}", "predict_code_clean": "explicit MountInfo(const std::string& line) {\n std::istringstream iss(line);\n std::vector tokens;\n std::string token;\n while (iss >> token) {\n tokens.push_back(token);\n }\n if (tokens.size() < 9) {\n return;\n }\n mnt_id = std::stoi(tokens[0]);\n mnt_parent_id = std::stoi(tokens[1]);\n parseMajorMinor(tokens[2]);\n root = tokens[3];\n mnt_pnt = tokens[4];\n size_t sep = 0;\n for (size_t i = 5; i < tokens.size(); ++i) {\n if (tokens[i] == \"-\") {\n sep = i;\n break;\n }\n }\n if (sep == 0 || sep + 3 >= tokens.size()) {\n return;\n }\n parseFlags(tokens[5]);\n for (size_t i = 6; i < sep; ++i) {\n parsePropagation(tokens[i]);\n }\n fs_type = tokens[sep + 1];\n mnt_src = tokens[sep + 2];\n parseOptions(tokens[sep + 3]);\n}"}}