external/ibm-public/postfix/dist/src/global/int_filt.c

   1 /*      $NetBSD$        */
   2
   3 /*++
   4 /* NAME
   5 /*      int_filt 3
   6 /* SUMMARY
   7 /*      internal mail filter control
   8 /* SYNOPSIS
   9 /*      #include <int_filt.h>
  10 /*
  11 /*      int     int_filt_flags(class)
  12 /*      int     class;
  13 /* DESCRIPTION
  14 /*      int_filt_flags() determines the appropriate mail filtering
  15 /*      flags for the cleanup server, depending on the setting of
  16 /*      the internal_mail_filter_classes configuration parameter.
  17 /*
  18 /*      Specify one of the following:
  19 /* .IP INT_FILT_MASK_NONE
  20 /*      Mail that must be excluded from inspection (address probes, etc.).
  21 /* .IP INT_FILT_MASK_NOTIFY
  22 /*      Postmaster notifications from the smtpd(8) and smtp(8)
  23 /*      protocol adapters.
  24 /* .IP INT_FILT_MASK_BOUNCE
  25 /*      Delivery status notifications from the bounce(8) server.
  26 /* DIAGNOSTICS
  27 /*      Fatal: invalid mail category name.
  28 /* LICENSE
  29 /* .ad
  30 /* .fi
  31 /*      The Secure Mailer license must be distributed with this software.
  32 /* AUTHOR(S)
  33 /*      Wietse Venema
  34 /*      IBM T.J. Watson Research
  35 /*      P.O. Box 704
  36 /*      Yorktown Heights, NY 10598, USA
  37 /*--*/
  38
  39 /* System library. */
  40
  41 #include <sys_defs.h>
  42
  43 /* Utility library. */
  44
  45 #include <name_mask.h>
  46 #include <msg.h>
  47
  48 /* Global library. */
  49
  50 #include <mail_params.h>
  51 #include <cleanup_user.h>
  52 #include <int_filt.h>
  53
  54 /* int_filt_flags - map mail class to submission flags */
  55
  56 int     int_filt_flags(int class)
  57 {
  58     static const NAME_MASK table[] = {
  59         INT_FILT_CLASS_NOTIFY, INT_FILT_MASK_NOTIFY,
  60         INT_FILT_CLASS_BOUNCE, INT_FILT_MASK_BOUNCE,
  61         0,
  62     };
  63     int     filtered_classes = 0;
  64
  65     if (class && *var_int_filt_classes) {
  66         filtered_classes =
  67             name_mask(VAR_INT_FILT_CLASSES, table, var_int_filt_classes);
  68         if (filtered_classes == 0)
  69             msg_warn("%s: bad input: %s", VAR_INT_FILT_CLASSES,
  70                      var_int_filt_classes);
  71         if (filtered_classes & class)
  72             return (CLEANUP_FLAG_FILTER | CLEANUP_FLAG_MILTER);
  73     }
  74     return (0);
  75 }