Restructure project files

native/src/core/deny/revert.cpp

@@ -0,0 +1,42 @@
+#include <set>
+#include <sys/mount.h>
+
+#include <consts.hpp>
+#include <base.hpp>
+#include <core.hpp>
+
+#include "deny.hpp"
+
+using namespace std;
+
+static void lazy_unmount(const char* mountpoint) {
+    if (umount2(mountpoint, MNT_DETACH) != -1)
+        LOGD("denylist: Unmounted (%s)\n", mountpoint);
+}
+
+void revert_unmount() {
+    set<string> targets;
+
+    // Unmount dummy skeletons and MAGISKTMP
+    // since mirror nodes are always mounted under skeleton, we don't have to specifically unmount
+    for (auto &info: parse_mount_info("self")) {
+        if (info.source == "magisk" || info.source == "worker" || // magisktmp tmpfs
+            info.root.starts_with("/adb/modules")) { // bind mount from data partition
+            targets.insert(info.target);
+        }
+    }
+
+    if (targets.empty()) return;
+
+    auto last_target = *targets.cbegin() + '/';
+    for (auto iter = next(targets.cbegin()); iter != targets.cend();) {
+        if (iter->starts_with(last_target)) {
+            iter = targets.erase(iter);
+        } else {
+            last_target = *iter++ + '/';
+        }
+    }
+
+    for (auto &s : targets)
+        lazy_unmount(s.data());
+}