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Make module mirror read only

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This commit is contained in:
LoveSy 2023-04-02 17:52:07 +08:00 committed by John Wu
parent aa785b5845
commit 15cab86152
3 changed files with 10 additions and 3 deletions
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4
app/src/main/res/raw/manager.sh
View File

@ -117,8 +117,8 @@ EOF
add_hosts_module() {
# Do not touch existing hosts module
[ -d $MAGISKTMP/modules/hosts ] && return
cd $MAGISKTMP/modules
[ -d $NVBASE/modules/hosts ] && return
cd $NVBASE/modules
mkdir -p hosts/system/etc
cat << EOF > hosts/module.prop
id=hosts

2
native/src/core/bootstages.cpp
View File

@ -54,7 +54,7 @@ static void mount_mirrors() {
xmkdir(MODULEROOT, 0755);
xmkdir(dest.data(), 0755);
xmount(MODULEROOT, dest.data(), nullptr, MS_BIND, nullptr);
xmount(nullptr, dest.data(), nullptr, MS_REMOUNT | MS_BIND | MS_NOATIME, nullptr);
xmount(nullptr, dest.data(), nullptr, MS_REMOUNT | MS_BIND | MS_RDONLY, nullptr);
xmount(nullptr, dest.data(), nullptr, MS_PRIVATE, nullptr);
chmod(SECURE_DIR, 0700);
restorecon();

7
native/src/core/module.cpp
View File

@ -147,6 +147,10 @@ void mirror_node::mount() {
void module_node::mount() {
string src = module_mnt + module + parent()->root()->prefix + node_path();
if (node_path() == "/system/etc/hosts") {
// special case for /system/etc/hosts to ensure it is writable
src = std::string(MODULEROOT) + module + parent()->root()->prefix + "/system/etc/hosts";
}
if (exist())
clone_attr(mirror_path().data(), src.data());
if (isa<tmpfs_node>(parent()))
@ -303,6 +307,9 @@ void load_modules() {
mount_zygisk(32)
mount_zygisk(64)
}
auto worker_dir = MAGISKTMP + "/" WORKERDIR;
xmount(nullptr, worker_dir.data(), nullptr, MS_REMOUNT | MS_RDONLY, nullptr);
}
/************************