- Delete own_socketfile to resolve race condition where the permissions

change fails on a Unix socket because it hasn't been created yet (libmilter
   will do this correctly on its own based on umask, the milter doesn't need
   to do it) (LP: #1849712)

dkimpy_milter/__init__.py

@@ -37,7 +37,6 @@ from dkimpy_milter.util import drop_privileges
 from dkimpy_milter.util import setExceptHook
 from dkimpy_milter.util import write_pid
 from dkimpy_milter.util import get_keys
-from dkimpy_milter.util import own_socketfile
 from dkimpy_milter.util import fold
 
 __version__ = "1.2.0"
@@ -444,7 +443,6 @@ def main():
                     socketname = 'fd:3'
         if socketname is None:
             socketname = 'local:/var/run/dkimpy-milter/dkimpy-milter.sock'
-    own_socketfile(milterconfig, socketname)
     sys.stdout.flush()
     if milterconfig.get('Syslog'):
         syslog.syslog('dkimpy-milter starting:{0} user:{1}'

dkimpy_milter/util.py

@@ -149,27 +149,6 @@ def write_pid(milterconfig):
     return pid
 
 
-def own_socketfile(milterconfig, sockname=None):
-    """If socket is Unix socket, chown to UserID before dropping privileges"""
-    import os
-    user, group = user_group(milterconfig.get('UserID'))
-    offset = None
-    if sockname is None:
-        sockname = milterconfig.get('Socket')
-    if sockname is None:
-        return
-    if sockname[:1] == '/':
-        offset = 0
-    elif sockname[:6] == "local:":
-        offset = 6
-    elif sockname[:5] == "unix:":
-        offset = 5
-
-    if offset is not None:
-        if os.path.exists(sockname[offset:]):
-            os.chown(sockname[offset:], user, group)
-
-
 def read_keyfile(keyfile, milterconfig):
     """Read private key from file."""
     import syslog