1 files changed, 18 insertions, 3 deletions
diff --git a/python/vyos/util.py b/python/vyos/util.py
index 16cfae92d..c827425ee 100644
--- a/python/vyos/util.py
+++ b/python/vyos/util.py
@@ -19,6 +19,12 @@ import sys
 from subprocess import Popen, PIPE, STDOUT, DEVNULL
 
 def debug(flag):
+    # this is to force all new flags to be registered here so that
+    # they can be documented:
+    # - developer: the code will drop into PBD on un-handled exception
+    # - ifconfig: prints command and sysfs access on stdout for interface
+    if flag not in ['developer', 'ifconfig']:
+        return False
     return flag if os.path.isfile(f'/tmp/vyos.{flag}.debug') else ''
 
 
@@ -93,16 +99,25 @@ def read_file(path):
     return data
 
 
-def chown_file(path, user, group):
-    """ change file owner """
+def chown(path, user, group):
+    """ change file/directory owner """
     from pwd import getpwnam
     from grp import getgrnam
 
-    if os.path.isfile(path):
+    if os.path.exists(path):
         uid = getpwnam(user).pw_uid
         gid = getgrnam(group).gr_gid
         os.chown(path, uid, gid)
 
+def chmod_750(path):
+    """ make file/directory only executable to user and group """
+    from stat import S_IRUSR, S_IWUSR, S_IXUSR, S_IRGRP, S_IXGRP
+
+    if os.path.exists(path):
+        bitmask = S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP
+        os.chmod(path, bitmask)
+
+
 def chmod_x(path):
     """ make file executable """
     from stat import S_IRUSR, S_IWUSR, S_IXUSR, S_IRGRP, S_IXGRP, S_IROTH, S_IXOTH