sticky pst

kvmd/fstab.py

@@ -33,6 +33,7 @@ class Partition:
     mount_path: str
     root_path: str
     user: str
+    group: str
 
 
 # =====
@@ -60,12 +61,13 @@ def _find_partitions(part_type: str, single: bool) -> list[Partition]:
             if line and not line.startswith("#"):
                 fields = line.split()
                 if len(fields) == 6:
-                    options = dict(re.findall(r"X-kvmd\.%s-(root|user)(?:=([^,]+))?" % (part_type), fields[3]))
+                    options = dict(re.findall(r"X-kvmd\.%s-(root|user|group)(?:=([^,]+))?" % (part_type), fields[3]))
                     if options:
                         parts.append(Partition(
                             mount_path=os.path.normpath(fields[1]),
                             root_path=os.path.normpath(options.get("root", "") or fields[1]),
                             user=options.get("user", ""),
+                            group=options.get("group", ""),
                         ))
                         if single:
                             break

kvmd/helpers/remount/__init__.py

@@ -23,6 +23,7 @@
 import sys
 import os
 import pwd
+import grp
 import shutil
 import subprocess
 
@@ -87,11 +88,28 @@ def _chown(path: str, user: str) -> None:
     if pwd.getpwuid(os.stat(path).st_uid).pw_name != user:
         _log(f"CHOWN --- {user} - {path}")
         try:
-            shutil.chown(path, user)
+            shutil.chown(path, user=user)
         except Exception as err:
             raise SystemExit(f"Can't change ownership: {err}")
 
 
+def _chgrp(path: str, group: str) -> None:
+    if grp.getgrgid(os.stat(path).st_gid).gr_name != group:
+        _log(f"CHGRP --- {group} - {path}")
+        try:
+            shutil.chown(path, group=group)
+        except Exception as err:
+            raise SystemExit(f"Can't change group: {err}")
+
+
+def _chmod(path: str, mode: int) -> None:
+    _log(f"CHMOD --- 0o{mode:o} - {path}")
+    try:
+        os.chmod(path, mode)
+    except Exception as err:
+        raise SystemExit(f"Can't change permissions: {err}")
+
+
 # =====
 def _fix_msd(part: Partition) -> None:
     # First images migration
@@ -112,13 +130,21 @@ def _fix_msd(part: Partition) -> None:
 
     if part.user:
         _chown(part.root_path, part.user)
+    if part.group:
+        _chgrp(part.root_path, part.group)
 
 
 def _fix_pst(part: Partition) -> None:
     path = os.path.join(part.root_path, "data")
     _mkdir(path)
     if part.user:
+        _chown(part.root_path, part.user)
         _chown(path, part.user)
+    if part.group:
+        _chown(part.root_path, part.group)
+        _chgrp(path, part.group)
+    if part.user and part.group:
+        _chmod(part.root_path, 0o1775)
 
 
 # =====