[imapfilter-devel] Problem with daemon mode

[Lefteris Chatzibarbas]

On Mon, Jan 26, 2004 at 03:35:00PM +0500, Igor Klingen wrote:
> Hi Lefteris!
> 
> RH9, IMAPFiletr 0.9.5
> 
> I'm faced with such problem. I'm runed imapfilter in daemon mode from 
> PuTTY (non root account). After start daemon, I cannot close this 
> session correctly.
> After add to imapfilter.c next lines:
> 
> in headers list:
> #include <sys/resource.h>
> 
> the 'to-daemon' peace:
> case 0:
>   lockfile_create();
>   corefile_disable();
>   flags |= FLAG_DAEMON_MODE;
> 
> I add:
> case 0:
>   {
>        int i;  struct rlimit file_lim;
>        setsid();
>        chdir("/");
>        getrlimit( RLIMIT_NOFILE, &file_lim );
>        for( i = 0; i < file_lim.rlim_max; i++ ) close( i );
>   }
>   lockfile_create();
>   corefile_disable();
>   flags |= FLAG_DAEMON_MODE;
> 
> After this change, session will be closed correctly. But imapfilter stop 
> write to log-file :). (But worked).
> May be, change manipulate with log, such that log-file open at once 
> before write and close it at once after write (no flush). And disable 
> all std* input/output in daemon mode.

I made some improvements/corrections to the "to daemon mode" code.  You
shouldn't have this problem anymore.  Check out from CVS or get this
snapshot:

  http://imapfilter.hellug.gr/temp/imapfilter-20040126.tar.gz

Thanks for bringing this up.