sendmail-hprescan-dos.patch

   1 diff -r -u -N sendmail-8.10.2/sendmail/collect.c sendmail-8.10.2.conectiva/sendmail/collect.c
   2 --- sendmail-8.10.2/sendmail/collect.c  Wed Mar 15 16:47:27 2000
   3 +++ sendmail-8.10.2.conectiva/sendmail/collect.c        Tue Jul 18 15:14:15 2000
   4 @@ -11,6 +11,7 @@
   5   *
   6   */
   7
   8 +#define MAXHDRZ 512
   9  #ifndef lint
  10  static char id[] = "@(#)$Id$";
  11  #endif /* ! lint */
  12 @@ -104,6 +105,7 @@
  13         HDR **hdrp;
  14         register ENVELOPE *e;
  15  {
  16 +       int hdrz = 0;
  17         register FILE *volatile df;
  18         volatile bool ignrdot = smtpmode ? FALSE : IgnrDot;
  19         volatile time_t dbto = smtpmode ? TimeOuts.to_datablock : 0;
  20 @@ -417,6 +419,16 @@
  21                                 mstate = MS_BODY;
  22                                 goto nextstate;
  23                         }
  24 +
  25 +            if (hdrz++>MAXHDRZ)
  26 +                        {
  27 +                                sm_syslog(LOG_NOTICE, e->e_id,
  28 +                                "excessive headers from %s during message collect",
  29 +                                CurHostName ? CurHostName : "<local machine>");
  30 +                                errno = 0;
  31 +                                usrerr("451 Stop this. You are lame.");
  32 +                                goto readerr;
  33 +                        }
  34
  35                         /* check for possible continuation line */
  36                         do