xinetd bug or new DoS attack?

Aloha Steve:

The day you issued the CVS fix I installed the change.  Today we were 
attacked again and the change did not work.  Perplexed... I discovered why:

In your changes to 'connection.c' you placed:

     if (errno == ENFILE)
         cps_service_stop(sp, "no available descriptors");
     else

However, the error being reported is:

     Jan  4 19:37:05 puna xinetd[13130]: [ID 254256 daemon.error] service pop3, accept: Too many open files (errno = 24)

Glancing at the errno.h we discover:

     #define ENFILE  23      /* File table overflow                  */
     #define EMFILE  24      /* Too many open files                  */

Thus, the block should have been EMFILE (M not N):

     if (errno == EMFILE)
         cps_service_stop(sp, "no available descriptors");
     else

Typo :) Do you agree?  I've made the changes on my end (only to connection.c)
and recompiled. We'll see if this does it.

Mahalo Nui

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