Filza 27.2 worse_query: public and developer builds

apfs_own.h

@@ -0,0 +1,27 @@
+#ifndef apfs_own_h
+#define apfs_own_h
+
+#include <stdint.h>
+#include <sys/types.h>
+
+// Change a file's owner (uid/gid) by directly writing apfs_fsnode in
+// kernel memory. Works regardless of current process uid — bypasses the
+// need for true uid=0. Returns 0 on success, -1 on failure.
+// Ported from lara/kexploit/pe/apfs.m.
+int apfs_own(const char *path, uid_t uid, gid_t gid);
+
+// Change a file's mode. Same mechanism as apfs_own. Returns 0/-1.
+int apfs_mod(const char *path, mode_t mode);
+
+// Read current on-disk values via kernel memory (sanity-check helpers).
+uint32_t apfs_getuid_kr(const char *path);
+uint32_t apfs_getgid_kr(const char *path);
+uint16_t apfs_getmode_kr(const char *path);
+
+// Recursively chown every file/dir under `root` to (uid, gid). Uses lstat so
+// symlinks are chown'd themselves, not followed. Skips per-entry sync/stat
+// for speed; one sync at the end. Returns number of entries successfully
+// chown'd.
+long apfs_own_tree(const char *root, uid_t uid, gid_t gid);
+
+#endif /* apfs_own_h */