mdw@git.distorted.org.uk Git - ezmlm/blob - ezmlm-weed.c

   1 #include "stralloc.h"
   2 #include "str.h"
   3 #include "byte.h"
   4 #include "readwrite.h"
   5 #include "substdio.h"
   6 #include "getln.h"
   7 #include "strerr.h"
   8
   9 char buf0[256];
  10 substdio ss0 = SUBSTDIO_FDBUF(read,0,buf0,sizeof(buf0));
  11
  12 #define FATAL "ezmlm-weed: fatal: "
  13
  14 void get(sa)
  15 stralloc *sa;
  16 {
  17   int match;
  18   if (getln(&ss0,sa,&match,'\n') == -1)
  19     strerr_die2sys(111,FATAL,"unable to read input: ");
  20   if (!match) _exit(0);
  21 }
  22
  23 stralloc line = {0};
  24 stralloc line1 = {0};
  25 stralloc line2 = {0};
  26 stralloc line3 = {0};
  27 stralloc line4 = {0};
  28 stralloc line5 = {0};
  29 stralloc line6 = {0};
  30 stralloc line7 = {0};
  31 stralloc line8 = {0};
  32
  33 char warn1[] = "    **********************************************";
  34 char warn2[] = "    **      THIS IS A WARNING MESSAGE ONLY      **";
  35 char warn3[] = "    **  YOU DO NOT NEED TO RESEND YOUR MESSAGE  **";
  36 char warn4[] = "    **********************************************";
  37
  38 int flagmds = 0;
  39 int flagsw = 0;
  40 int flagsr = 0;
  41 int flagas = 0;
  42 int flagbw = 0;
  43
  44 void main()
  45 {
  46   int match;
  47
  48   for (;;) {
  49     get(&line);
  50     if (line.len == 1) break;
  51
  52     if (stralloc_starts(&line,"Subject: success notice"))
  53       _exit(99);
  54     if (stralloc_starts(&line,"Subject: deferral notice"))
  55       _exit(99);
  56
  57     if (stralloc_starts(&line,"From: Mail Delivery Subsystem <MAILER-DAEMON@"))
  58       flagmds = 1;
  59     if (stralloc_starts(&line,"Subject: Warning: could not send message"))
  60       flagsw = 1;
  61     if (stralloc_starts(&line,"Subject: Returned mail: warning: cannot send message"))
  62       flagsr = 1;
  63     if (stralloc_starts(&line,"Auto-Submitted: auto-generated (warning"))
  64       flagas = 1;
  65   }
  66
  67   get(&line1);
  68   get(&line2);
  69   get(&line3);
  70   get(&line4);
  71   get(&line5);
  72   get(&line6);
  73   get(&line7);
  74   get(&line8);
  75
  76   if (stralloc_starts(&line1,"This is a MIME-encapsulated message"))
  77   if (stralloc_starts(&line3,"--"))
  78   if (stralloc_starts(&line5,warn1))
  79   if (stralloc_starts(&line6,warn2))
  80   if (stralloc_starts(&line7,warn3))
  81   if (stralloc_starts(&line8,warn4))
  82     flagbw = 1;
  83
  84   if (stralloc_starts(&line1,warn1))
  85   if (stralloc_starts(&line2,warn2))
  86   if (stralloc_starts(&line3,warn3))
  87   if (stralloc_starts(&line4,warn4))
  88     flagbw = 1;
  89
  90   if (flagmds && flagsw && flagas && flagbw) _exit(99);
  91   if (flagmds && flagsr && flagbw) _exit(99);
  92
  93   _exit(0);
  94 }