Fix typo in log message

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)

CHANGES

@@ -1,3 +1,13 @@
+1.1.4 2019-11-22
+ - Make error logging more explicit to aid debugging
+ - 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)
+
+1.1.3 2019-10-06
+ - Fix sysv init so it works (LP: #1839487)
+
 1.1.2 2019-09-23
  - Fix variable initialization so mailformed mails missing body From do not
    cause a traceback (LP: #1844161)

README

@@ -37,7 +37,7 @@ an C compiler.  Alternately, install these dependencies from distribution/OS
 packages and then pip install dkimpy_milter.
 
 The milter will work with either py3dns (DNS) or dnspython (dns), preferring
-dnspython is both are available.  The dkimpy DKIM module also works with
+dnspython if both are available.  The dkimpy DKIM module also works with
 either.
 
 
@@ -84,9 +84,8 @@ MTA INTEGRATION
 
 Both a systemd unit file and a sysv init file are provided.  Both make
 assumptions about defaults being used, e.g. if a non-standard pidfile name is
-used, they will need to be updated.  The sysv init file is Debian specific and
-untested, since the developers are not using sysv init.  Feedback/patches
-welcome.
+used, they will need to be updated.  The sysv init file uses start-stop-deamon
+from Debian.  It is not portable to systems without that available.
 
 The dkimpy-milter drops priviledges after setup to the user/group specified in
 UserID.  During initial setup, this system user needs to be manually created.

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 read_keyfile
-from dkimpy_milter.util import own_socketfile
 from dkimpy_milter.util import fold
 
 __version__ = "1.0.1"
@@ -293,7 +292,7 @@ class dkimMilter(Milter.Base):
             except Exception as x:
                 self.dkim_comment = str(x)
                 if milterconfig.get('Syslog'):
-                    syslog.syslog("check_dkim: {0}".format(x))
+                    syslog.syslog("check_dkim: Internal program fault while verifying: {0}".format(x))
             try:
                 # i= is optional and dkimpy is fine if it's not provided
                 self.header_i = codecs.decode(d.signature_fields.get(b'i'), 'ascii')
@@ -305,7 +304,7 @@ class dkimMilter(Milter.Base):
             except Exception as x:
                 self.dkim_comment = str(x)
                 if milterconfig.get('Syslog'):
-                    syslog.syslog("check_dkim: {0}".format(x))
+                    syslog.syslog("check_dkim: Internal proram fault extracting header a or d: {0}".format(x))
                 self.header_d = None
             if not self.header_a:
                 self.header_a = 'rsa-sha256'
@@ -401,7 +400,6 @@ def main():
                     socketname = 'fd:3'
         if socketname is None:
             socketname = 'local:/var/run/dkimpy-milter/dkimpy-milter.sock'
-    own_socketfile(milterconfig, socketname)
     drop_privileges(milterconfig)
     sys.stdout.flush()
     if milterconfig.get('Syslog'):

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(milterconfig, keytype):
     """Read private key from file."""
     import syslog

setup.py

@@ -30,7 +30,7 @@ except ImportError:  # If PyDNS is not installed, prefer dnspython
 
 setup(
     name='dkimpy-milter',
-    version='1.1.2',
+    version='1.1.4',
     author='Scott Kitterman',
     author_email='scott@kitterman.com',
     url='https://launchpad.net/dkimpy-milter',

system/dkimpy-milter

@@ -20,7 +20,7 @@
 ### END INIT INFO
 prefix="/usr/local"
 exec_prefix=${prefix}
-sysconfdir="/etc/dkimpy-milter"
+sysconfdir="/usr/local/etc"
 bindir="${exec_prefix}/bin/"
 RUNDIR="/run/dkimpy-milter"
 DAEMON=${bindir}/dkimpy-milter
@@ -67,14 +67,14 @@ case "$1" in
 			fi
 		fi
 	fi
-
-        start-stop-daemon --start --quiet --pidfile $RUNDIR/$NAME.pid --startas \
-                $DAEMON $sysconfdir/$NAME.conf --name $NAME --test > /dev/null \
+        start-stop-daemon --start --background --quiet --pidfile \
+                $RUNDIR/$NAME.pid --exec $DAEMON $sysconfdir/$NAME.conf
 	echo "$NAME."
 	;;
   stop)
 	echo -n "Stopping $DESC: "
 	if [ -f $RUNDIR/$NAME.pid ]; then
+		chown root:root $RUNDIR/$NAME.pid
 		start-stop-daemon --stop --pidfile $RUNDIR/$NAME.pid 
 		rm $RUNDIR/$NAME.pid
 		#echo $SOCKET
@@ -87,6 +87,7 @@ case "$1" in
   force-reload)
         echo -n "Force reloading $DESC: "
         if [ -f $RUNDIR/$NAME.pid ]; then
+                chown root:root $RUNDIR/$NAME.pid
                 start-stop-daemon --stop --pidfile $RUNDIR/$NAME.pid
                 rm $RUNDIR/$NAME.pid
                 #echo $SOCKET
@@ -95,7 +96,7 @@ case "$1" in
                 fi
         fi
         sleep 1
-        start-stop-daemon --start --chuid $USER --background --quiet --pidfile \
+        start-stop-daemon --start --background --quiet --pidfile \
                 $RUNDIR/$NAME.pid --exec $DAEMON $sysconfdir/$NAME.conf
         echo "$NAME."
         ;;
@@ -103,6 +104,7 @@ case "$1" in
         echo "Restarting $DESC: "
         echo -n "Stopping $DESC: "
         if [ -f $RUNDIR/$NAME.pid ]; then
+                chown root:root $RUNDIR/$NAME.pid
                 start-stop-daemon --stop --pidfile $RUNDIR/$NAME.pid
                 rm $RUNDIR/$NAME.pid
                 #echo $SOCKET
@@ -113,7 +115,7 @@ case "$1" in
         echo "$NAME."
 	sleep 1
         echo -n "Starting $DESC: "
-        start-stop-daemon --start --chuid $USER --background --quiet --pidfile \
+        start-stop-daemon --start --background --quiet --pidfile \
                 $RUNDIR/$NAME.pid --exec $DAEMON $sysconfdir/$NAME.conf
         echo "$NAME."
 	;;