Add ability to enroll RH-style systems (DNF5/DNF/RPM)

enroll/fsutil.py

@@ -0,0 +1,40 @@
+from __future__ import annotations
+
+import hashlib
+import os
+from typing import Tuple
+
+
+def file_md5(path: str) -> str:
+    """Return hex MD5 of a file.
+
+    Used for Debian dpkg baseline comparisons.
+    """
+    h = hashlib.md5()  # nosec
+    with open(path, "rb") as f:
+        for chunk in iter(lambda: f.read(1024 * 1024), b""):
+            h.update(chunk)
+    return h.hexdigest()
+
+
+def stat_triplet(path: str) -> Tuple[str, str, str]:
+    """Return (owner, group, mode) for a path.
+
+    owner/group are usernames/group names when resolvable, otherwise numeric ids.
+    mode is a zero-padded octal string (e.g. "0644").
+    """
+    st = os.stat(path, follow_symlinks=True)
+    mode = oct(st.st_mode & 0o777)[2:].zfill(4)
+
+    import grp
+    import pwd
+
+    try:
+        owner = pwd.getpwuid(st.st_uid).pw_name
+    except KeyError:
+        owner = str(st.st_uid)
+    try:
+        group = grp.getgrgid(st.st_gid).gr_name
+    except KeyError:
+        group = str(st.st_gid)
+    return owner, group, mode